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 #include "trace.h"
  31
  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     uint32_t head;
 128     QemuUIInfo ui_info;
 129     const GraphicHwOps *hw_ops;
 130     void *hw;
 131
 132     /* Text console state */
 133     int width;
 134     int height;
 135     int total_height;
 136     int backscroll_height;
 137     int x, y;
 138     int x_saved, y_saved;
 139     int y_displayed;
 140     int y_base;
 141     TextAttributes t_attrib_default; /* default text attributes */
 142     TextAttributes t_attrib; /* currently active text attributes */
 143     TextCell *cells;
 144     int text_x[2], text_y[2], cursor_invalidate;
 145     int echo;
 146     bool cursor_visible_phase;
 147     QEMUTimer *cursor_timer;
 148
 149     int update_x0;
 150     int update_y0;
 151     int update_x1;
 152     int update_y1;
 153
 154     enum TTYState state;
 155     int esc_params[MAX_ESC_PARAMS];
 156     int nb_esc_params;
 157
 158     CharDriverState *chr;
 159     /* fifo for key pressed */
 160     QEMUFIFO out_fifo;
 161     uint8_t out_fifo_buf[16];
 162     QEMUTimer *kbd_timer;
 163 };
 164
 165 struct DisplayState {
 166     QEMUTimer *gui_timer;
 167     uint64_t last_update;
 168     uint64_t update_interval;
 169     bool refreshing;
 170     bool have_gfx;
 171     bool have_text;
 172
 173     QLIST_HEAD(, DisplayChangeListener) listeners;
 174 };
 175
 176 static DisplayState *display_state;
 177 static QemuConsole *active_console;
 178 static QemuConsole *consoles[MAX_CONSOLES];
 179 static int nb_consoles = 0;
 180
 181 static void text_console_do_init(CharDriverState *chr, DisplayState *ds);
 182 static void dpy_refresh(DisplayState *s);
 183 static DisplayState *get_alloc_displaystate(void);
 184
 185 static void gui_update(void *opaque)
 186 {
 187     uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
 188     uint64_t dcl_interval;
 189     DisplayState *ds = opaque;
 190     DisplayChangeListener *dcl;
 191     int i;
 192
 193     ds->refreshing = true;
 194     dpy_refresh(ds);
 195     ds->refreshing = false;
 196
 197     QLIST_FOREACH(dcl, &ds->listeners, next) {
 198         dcl_interval = dcl->update_interval ?
 199             dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
 200         if (interval > dcl_interval) {
 201             interval = dcl_interval;
 202         }
 203     }
 204     if (ds->update_interval != interval) {
 205         ds->update_interval = interval;
 206         for (i = 0; i < nb_consoles; i++) {
 207             if (consoles[i]->hw_ops->update_interval) {
 208                 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval);
 209             }
 210         }
 211         trace_console_refresh(interval);
 212     }
 213     ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
 214     timer_mod(ds->gui_timer, ds->last_update + interval);
 215 }
 216
 217 static void gui_setup_refresh(DisplayState *ds)
 218 {
 219     DisplayChangeListener *dcl;
 220     bool need_timer = false;
 221     bool have_gfx = false;
 222     bool have_text = false;
 223
 224     QLIST_FOREACH(dcl, &ds->listeners, next) {
 225         if (dcl->ops->dpy_refresh != NULL) {
 226             need_timer = true;
 227         }
 228         if (dcl->ops->dpy_gfx_update != NULL) {
 229             have_gfx = true;
 230         }
 231         if (dcl->ops->dpy_text_update != NULL) {
 232             have_text = true;
 233         }
 234     }
 235
 236     if (need_timer && ds->gui_timer == NULL) {
 237         ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
 238         timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
 239     }
 240     if (!need_timer && ds->gui_timer != NULL) {
 241         timer_del(ds->gui_timer);
 242         timer_free(ds->gui_timer);
 243         ds->gui_timer = NULL;
 244     }
 245
 246     ds->have_gfx = have_gfx;
 247     ds->have_text = have_text;
 248 }
 249
 250 void graphic_hw_update(QemuConsole *con)
 251 {
 252     if (!con) {
 253         con = active_console;
 254     }
 255     if (con && con->hw_ops->gfx_update) {
 256         con->hw_ops->gfx_update(con->hw);
 257     }
 258 }
 259
 260 void graphic_hw_invalidate(QemuConsole *con)
 261 {
 262     if (!con) {
 263         con = active_console;
 264     }
 265     if (con && con->hw_ops->invalidate) {
 266         con->hw_ops->invalidate(con->hw);
 267     }
 268 }
 269
 270 static void ppm_save(const char *filename, struct DisplaySurface *ds,
 271                      Error **errp)
 272 {
 273     int width = pixman_image_get_width(ds->image);
 274     int height = pixman_image_get_height(ds->image);
 275     int fd;
 276     FILE *f;
 277     int y;
 278     int ret;
 279     pixman_image_t *linebuf;
 280
 281     trace_ppm_save(filename, ds);
 282     fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
 283     if (fd == -1) {
 284         error_setg(errp, "failed to open file '%s': %s", filename,
 285                    strerror(errno));
 286         return;
 287     }
 288     f = fdopen(fd, "wb");
 289     ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
 290     if (ret < 0) {
 291         linebuf = NULL;
 292         goto write_err;
 293     }
 294     linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
 295     for (y = 0; y < height; y++) {
 296         qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
 297         clearerr(f);
 298         ret = fwrite(pixman_image_get_data(linebuf), 1,
 299                      pixman_image_get_stride(linebuf), f);
 300         (void)ret;
 301         if (ferror(f)) {
 302             goto write_err;
 303         }
 304     }
 305
 306 out:
 307     qemu_pixman_image_unref(linebuf);
 308     fclose(f);
 309     return;
 310
 311 write_err:
 312     error_setg(errp, "failed to write to file '%s': %s", filename,
 313                strerror(errno));
 314     unlink(filename);
 315     goto out;
 316 }
 317
 318 void qmp_screendump(const char *filename, Error **errp)
 319 {
 320     QemuConsole *con = qemu_console_lookup_by_index(0);
 321     DisplaySurface *surface;
 322
 323     if (con == NULL) {
 324         error_setg(errp, "There is no QemuConsole I can screendump from.");
 325         return;
 326     }
 327
 328     graphic_hw_update(con);
 329     surface = qemu_console_surface(con);
 330     ppm_save(filename, surface, errp);
 331 }
 332
 333 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
 334 {
 335     if (!con) {
 336         con = active_console;
 337     }
 338     if (con && con->hw_ops->text_update) {
 339         con->hw_ops->text_update(con->hw, chardata);
 340     }
 341 }
 342
 343 static void vga_fill_rect(QemuConsole *con,
 344                           int posx, int posy, int width, int height,
 345                           pixman_color_t color)
 346 {
 347     DisplaySurface *surface = qemu_console_surface(con);
 348     pixman_rectangle16_t rect = {
 349         .x = posx, .y = posy, .width = width, .height = height
 350     };
 351
 352     pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
 353                                  &color, 1, &rect);
 354 }
 355
 356 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
 357 static void vga_bitblt(QemuConsole *con,
 358                        int xs, int ys, int xd, int yd, int w, int h)
 359 {
 360     DisplaySurface *surface = qemu_console_surface(con);
 361
 362     pixman_image_composite(PIXMAN_OP_SRC,
 363                            surface->image, NULL, surface->image,
 364                            xs, ys, 0, 0, xd, yd, w, h);
 365 }
 366
 367 /***********************************************************/
 368 /* basic char display */
 369
 370 #define FONT_HEIGHT 16
 371 #define FONT_WIDTH 8
 372
 373 #include "vgafont.h"
 374
 375 #ifndef CONFIG_CURSES
 376 enum color_names {
 377     COLOR_BLACK   = 0,
 378     COLOR_RED     = 1,
 379     COLOR_GREEN   = 2,
 380     COLOR_YELLOW  = 3,
 381     COLOR_BLUE    = 4,
 382     COLOR_MAGENTA = 5,
 383     COLOR_CYAN    = 6,
 384     COLOR_WHITE   = 7
 385 };
 386 #endif
 387
 388 #define QEMU_RGB(r, g, b)                                               \
 389     { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
 390
 391 static const pixman_color_t color_table_rgb[2][8] = {
 392     {   /* dark */
 393         QEMU_RGB(0x00, 0x00, 0x00),  /* black */
 394         QEMU_RGB(0xaa, 0x00, 0x00),  /* red */
 395         QEMU_RGB(0x00, 0xaa, 0x00),  /* green */
 396         QEMU_RGB(0xaa, 0xaa, 0x00),  /* yellow */
 397         QEMU_RGB(0x00, 0x00, 0xaa),  /* blue */
 398         QEMU_RGB(0xaa, 0x00, 0xaa),  /* magenta */
 399         QEMU_RGB(0x00, 0xaa, 0xaa),  /* cyan */
 400         QEMU_RGB(0xaa, 0xaa, 0xaa),  /* white */
 401     },
 402     {   /* bright */
 403         QEMU_RGB(0x00, 0x00, 0x00),  /* black */
 404         QEMU_RGB(0xff, 0x00, 0x00),  /* red */
 405         QEMU_RGB(0x00, 0xff, 0x00),  /* green */
 406         QEMU_RGB(0xff, 0xff, 0x00),  /* yellow */
 407         QEMU_RGB(0x00, 0x00, 0xff),  /* blue */
 408         QEMU_RGB(0xff, 0x00, 0xff),  /* magenta */
 409         QEMU_RGB(0x00, 0xff, 0xff),  /* cyan */
 410         QEMU_RGB(0xff, 0xff, 0xff),  /* white */
 411     }
 412 };
 413
 414 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
 415                           TextAttributes *t_attrib)
 416 {
 417     static pixman_image_t *glyphs[256];
 418     DisplaySurface *surface = qemu_console_surface(s);
 419     pixman_color_t fgcol, bgcol;
 420
 421     if (t_attrib->invers) {
 422         bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
 423         fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
 424     } else {
 425         fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
 426         bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
 427     }
 428
 429     if (!glyphs[ch]) {
 430         glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
 431     }
 432     qemu_pixman_glyph_render(glyphs[ch], surface->image,
 433                              &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
 434 }
 435
 436 static void text_console_resize(QemuConsole *s)
 437 {
 438     TextCell *cells, *c, *c1;
 439     int w1, x, y, last_width;
 440
 441     last_width = s->width;
 442     s->width = surface_width(s->surface) / FONT_WIDTH;
 443     s->height = surface_height(s->surface) / FONT_HEIGHT;
 444
 445     w1 = last_width;
 446     if (s->width < w1)
 447         w1 = s->width;
 448
 449     cells = g_malloc(s->width * s->total_height * sizeof(TextCell));
 450     for(y = 0; y < s->total_height; y++) {
 451         c = &cells[y * s->width];
 452         if (w1 > 0) {
 453             c1 = &s->cells[y * last_width];
 454             for(x = 0; x < w1; x++) {
 455                 *c++ = *c1++;
 456             }
 457         }
 458         for(x = w1; x < s->width; x++) {
 459             c->ch = ' ';
 460             c->t_attrib = s->t_attrib_default;
 461             c++;
 462         }
 463     }
 464     g_free(s->cells);
 465     s->cells = cells;
 466 }
 467
 468 static inline void text_update_xy(QemuConsole *s, int x, int y)
 469 {
 470     s->text_x[0] = MIN(s->text_x[0], x);
 471     s->text_x[1] = MAX(s->text_x[1], x);
 472     s->text_y[0] = MIN(s->text_y[0], y);
 473     s->text_y[1] = MAX(s->text_y[1], y);
 474 }
 475
 476 static void invalidate_xy(QemuConsole *s, int x, int y)
 477 {
 478     if (s->update_x0 > x * FONT_WIDTH)
 479         s->update_x0 = x * FONT_WIDTH;
 480     if (s->update_y0 > y * FONT_HEIGHT)
 481         s->update_y0 = y * FONT_HEIGHT;
 482     if (s->update_x1 < (x + 1) * FONT_WIDTH)
 483         s->update_x1 = (x + 1) * FONT_WIDTH;
 484     if (s->update_y1 < (y + 1) * FONT_HEIGHT)
 485         s->update_y1 = (y + 1) * FONT_HEIGHT;
 486 }
 487
 488 static void update_xy(QemuConsole *s, int x, int y)
 489 {
 490     TextCell *c;
 491     int y1, y2;
 492
 493     if (!qemu_console_is_visible(s)) {
 494         return;
 495     }
 496
 497     if (s->ds->have_text) {
 498         text_update_xy(s, x, y);
 499     }
 500
 501     if (s->ds->have_gfx) {
 502         y1 = (s->y_base + y) % s->total_height;
 503         y2 = y1 - s->y_displayed;
 504         if (y2 < 0)
 505             y2 += s->total_height;
 506         if (y2 < s->height) {
 507             c = &s->cells[y1 * s->width + x];
 508             vga_putcharxy(s, x, y2, c->ch,
 509                           &(c->t_attrib));
 510             invalidate_xy(s, x, y2);
 511         }
 512     }
 513 }
 514
 515 static void console_show_cursor(QemuConsole *s, int show)
 516 {
 517     TextCell *c;
 518     int y, y1;
 519     int x = s->x;
 520
 521     if (!qemu_console_is_visible(s)) {
 522         return;
 523     }
 524
 525     if (s->ds->have_text) {
 526         s->cursor_invalidate = 1;
 527     }
 528
 529     if (s->ds->have_gfx) {
 530         if (x >= s->width) {
 531             x = s->width - 1;
 532         }
 533         y1 = (s->y_base + s->y) % s->total_height;
 534         y = y1 - s->y_displayed;
 535         if (y < 0)
 536             y += s->total_height;
 537         if (y < s->height) {
 538             c = &s->cells[y1 * s->width + x];
 539             if (show && s->cursor_visible_phase) {
 540                 TextAttributes t_attrib = s->t_attrib_default;
 541                 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
 542                 vga_putcharxy(s, x, y, c->ch, &t_attrib);
 543             } else {
 544                 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
 545             }
 546             invalidate_xy(s, x, y);
 547         }
 548     }
 549 }
 550
 551 static void console_refresh(QemuConsole *s)
 552 {
 553     DisplaySurface *surface = qemu_console_surface(s);
 554     TextCell *c;
 555     int x, y, y1;
 556
 557     if (!qemu_console_is_visible(s)) {
 558         return;
 559     }
 560
 561     if (s->ds->have_text) {
 562         s->text_x[0] = 0;
 563         s->text_y[0] = 0;
 564         s->text_x[1] = s->width - 1;
 565         s->text_y[1] = s->height - 1;
 566         s->cursor_invalidate = 1;
 567     }
 568
 569     if (s->ds->have_gfx) {
 570         vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
 571                       color_table_rgb[0][COLOR_BLACK]);
 572         y1 = s->y_displayed;
 573         for (y = 0; y < s->height; y++) {
 574             c = s->cells + y1 * s->width;
 575             for (x = 0; x < s->width; x++) {
 576                 vga_putcharxy(s, x, y, c->ch,
 577                               &(c->t_attrib));
 578                 c++;
 579             }
 580             if (++y1 == s->total_height) {
 581                 y1 = 0;
 582             }
 583         }
 584         console_show_cursor(s, 1);
 585         dpy_gfx_update(s, 0, 0,
 586                        surface_width(surface), surface_height(surface));
 587     }
 588 }
 589
 590 static void console_scroll(QemuConsole *s, int ydelta)
 591 {
 592     int i, y1;
 593
 594     if (ydelta > 0) {
 595         for(i = 0; i < ydelta; i++) {
 596             if (s->y_displayed == s->y_base)
 597                 break;
 598             if (++s->y_displayed == s->total_height)
 599                 s->y_displayed = 0;
 600         }
 601     } else {
 602         ydelta = -ydelta;
 603         i = s->backscroll_height;
 604         if (i > s->total_height - s->height)
 605             i = s->total_height - s->height;
 606         y1 = s->y_base - i;
 607         if (y1 < 0)
 608             y1 += s->total_height;
 609         for(i = 0; i < ydelta; i++) {
 610             if (s->y_displayed == y1)
 611                 break;
 612             if (--s->y_displayed < 0)
 613                 s->y_displayed = s->total_height - 1;
 614         }
 615     }
 616     console_refresh(s);
 617 }
 618
 619 static void console_put_lf(QemuConsole *s)
 620 {
 621     TextCell *c;
 622     int x, y1;
 623
 624     s->y++;
 625     if (s->y >= s->height) {
 626         s->y = s->height - 1;
 627
 628         if (s->y_displayed == s->y_base) {
 629             if (++s->y_displayed == s->total_height)
 630                 s->y_displayed = 0;
 631         }
 632         if (++s->y_base == s->total_height)
 633             s->y_base = 0;
 634         if (s->backscroll_height < s->total_height)
 635             s->backscroll_height++;
 636         y1 = (s->y_base + s->height - 1) % s->total_height;
 637         c = &s->cells[y1 * s->width];
 638         for(x = 0; x < s->width; x++) {
 639             c->ch = ' ';
 640             c->t_attrib = s->t_attrib_default;
 641             c++;
 642         }
 643         if (qemu_console_is_visible(s) && s->y_displayed == s->y_base) {
 644             if (s->ds->have_text) {
 645                 s->text_x[0] = 0;
 646                 s->text_y[0] = 0;
 647                 s->text_x[1] = s->width - 1;
 648                 s->text_y[1] = s->height - 1;
 649             }
 650
 651             if (s->ds->have_gfx) {
 652                 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
 653                            s->width * FONT_WIDTH,
 654                            (s->height - 1) * FONT_HEIGHT);
 655                 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
 656                               s->width * FONT_WIDTH, FONT_HEIGHT,
 657                               color_table_rgb[0][s->t_attrib_default.bgcol]);
 658                 s->update_x0 = 0;
 659                 s->update_y0 = 0;
 660                 s->update_x1 = s->width * FONT_WIDTH;
 661                 s->update_y1 = s->height * FONT_HEIGHT;
 662             }
 663         }
 664     }
 665 }
 666
 667 /* Set console attributes depending on the current escape codes.
 668  * NOTE: I know this code is not very efficient (checking every color for it
 669  * self) but it is more readable and better maintainable.
 670  */
 671 static void console_handle_escape(QemuConsole *s)
 672 {
 673     int i;
 674
 675     for (i=0; i<s->nb_esc_params; i++) {
 676         switch (s->esc_params[i]) {
 677             case 0: /* reset all console attributes to default */
 678                 s->t_attrib = s->t_attrib_default;
 679                 break;
 680             case 1:
 681                 s->t_attrib.bold = 1;
 682                 break;
 683             case 4:
 684                 s->t_attrib.uline = 1;
 685                 break;
 686             case 5:
 687                 s->t_attrib.blink = 1;
 688                 break;
 689             case 7:
 690                 s->t_attrib.invers = 1;
 691                 break;
 692             case 8:
 693                 s->t_attrib.unvisible = 1;
 694                 break;
 695             case 22:
 696                 s->t_attrib.bold = 0;
 697                 break;
 698             case 24:
 699                 s->t_attrib.uline = 0;
 700                 break;
 701             case 25:
 702                 s->t_attrib.blink = 0;
 703                 break;
 704             case 27:
 705                 s->t_attrib.invers = 0;
 706                 break;
 707             case 28:
 708                 s->t_attrib.unvisible = 0;
 709                 break;
 710             /* set foreground color */
 711             case 30:
 712                 s->t_attrib.fgcol=COLOR_BLACK;
 713                 break;
 714             case 31:
 715                 s->t_attrib.fgcol=COLOR_RED;
 716                 break;
 717             case 32:
 718                 s->t_attrib.fgcol=COLOR_GREEN;
 719                 break;
 720             case 33:
 721                 s->t_attrib.fgcol=COLOR_YELLOW;
 722                 break;
 723             case 34:
 724                 s->t_attrib.fgcol=COLOR_BLUE;
 725                 break;
 726             case 35:
 727                 s->t_attrib.fgcol=COLOR_MAGENTA;
 728                 break;
 729             case 36:
 730                 s->t_attrib.fgcol=COLOR_CYAN;
 731                 break;
 732             case 37:
 733                 s->t_attrib.fgcol=COLOR_WHITE;
 734                 break;
 735             /* set background color */
 736             case 40:
 737                 s->t_attrib.bgcol=COLOR_BLACK;
 738                 break;
 739             case 41:
 740                 s->t_attrib.bgcol=COLOR_RED;
 741                 break;
 742             case 42:
 743                 s->t_attrib.bgcol=COLOR_GREEN;
 744                 break;
 745             case 43:
 746                 s->t_attrib.bgcol=COLOR_YELLOW;
 747                 break;
 748             case 44:
 749                 s->t_attrib.bgcol=COLOR_BLUE;
 750                 break;
 751             case 45:
 752                 s->t_attrib.bgcol=COLOR_MAGENTA;
 753                 break;
 754             case 46:
 755                 s->t_attrib.bgcol=COLOR_CYAN;
 756                 break;
 757             case 47:
 758                 s->t_attrib.bgcol=COLOR_WHITE;
 759                 break;
 760         }
 761     }
 762 }
 763
 764 static void console_clear_xy(QemuConsole *s, int x, int y)
 765 {
 766     int y1 = (s->y_base + y) % s->total_height;
 767     TextCell *c = &s->cells[y1 * s->width + x];
 768     c->ch = ' ';
 769     c->t_attrib = s->t_attrib_default;
 770     update_xy(s, x, y);
 771 }
 772
 773 /* set cursor, checking bounds */
 774 static void set_cursor(QemuConsole *s, int x, int y)
 775 {
 776     if (x < 0) {
 777         x = 0;
 778     }
 779     if (y < 0) {
 780         y = 0;
 781     }
 782     if (y >= s->height) {
 783         y = s->height - 1;
 784     }
 785     if (x >= s->width) {
 786         x = s->width - 1;
 787     }
 788
 789     s->x = x;
 790     s->y = y;
 791 }
 792
 793 static void console_putchar(QemuConsole *s, int ch)
 794 {
 795     TextCell *c;
 796     int y1, i;
 797     int x, y;
 798
 799     switch(s->state) {
 800     case TTY_STATE_NORM:
 801         switch(ch) {
 802         case '\r':  /* carriage return */
 803             s->x = 0;
 804             break;
 805         case '\n':  /* newline */
 806             console_put_lf(s);
 807             break;
 808         case '\b':  /* backspace */
 809             if (s->x > 0)
 810                 s->x--;
 811             break;
 812         case '\t':  /* tabspace */
 813             if (s->x + (8 - (s->x % 8)) > s->width) {
 814                 s->x = 0;
 815                 console_put_lf(s);
 816             } else {
 817                 s->x = s->x + (8 - (s->x % 8));
 818             }
 819             break;
 820         case '\a':  /* alert aka. bell */
 821             /* TODO: has to be implemented */
 822             break;
 823         case 14:
 824             /* SI (shift in), character set 0 (ignored) */
 825             break;
 826         case 15:
 827             /* SO (shift out), character set 1 (ignored) */
 828             break;
 829         case 27:    /* esc (introducing an escape sequence) */
 830             s->state = TTY_STATE_ESC;
 831             break;
 832         default:
 833             if (s->x >= s->width) {
 834                 /* line wrap */
 835                 s->x = 0;
 836                 console_put_lf(s);
 837             }
 838             y1 = (s->y_base + s->y) % s->total_height;
 839             c = &s->cells[y1 * s->width + s->x];
 840             c->ch = ch;
 841             c->t_attrib = s->t_attrib;
 842             update_xy(s, s->x, s->y);
 843             s->x++;
 844             break;
 845         }
 846         break;
 847     case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
 848         if (ch == '[') {
 849             for(i=0;i<MAX_ESC_PARAMS;i++)
 850                 s->esc_params[i] = 0;
 851             s->nb_esc_params = 0;
 852             s->state = TTY_STATE_CSI;
 853         } else {
 854             s->state = TTY_STATE_NORM;
 855         }
 856         break;
 857     case TTY_STATE_CSI: /* handle escape sequence parameters */
 858         if (ch >= '0' && ch <= '9') {
 859             if (s->nb_esc_params < MAX_ESC_PARAMS) {
 860                 int *param = &s->esc_params[s->nb_esc_params];
 861                 int digit = (ch - '0');
 862
 863                 *param = (*param <= (INT_MAX - digit) / 10) ?
 864                          *param * 10 + digit : INT_MAX;
 865             }
 866         } else {
 867             if (s->nb_esc_params < MAX_ESC_PARAMS)
 868                 s->nb_esc_params++;
 869             if (ch == ';')
 870                 break;
 871             trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
 872                                       ch, s->nb_esc_params);
 873             s->state = TTY_STATE_NORM;
 874             switch(ch) {
 875             case 'A':
 876                 /* move cursor up */
 877                 if (s->esc_params[0] == 0) {
 878                     s->esc_params[0] = 1;
 879                 }
 880                 set_cursor(s, s->x, s->y - s->esc_params[0]);
 881                 break;
 882             case 'B':
 883                 /* move cursor down */
 884                 if (s->esc_params[0] == 0) {
 885                     s->esc_params[0] = 1;
 886                 }
 887                 set_cursor(s, s->x, s->y + s->esc_params[0]);
 888                 break;
 889             case 'C':
 890                 /* move cursor right */
 891                 if (s->esc_params[0] == 0) {
 892                     s->esc_params[0] = 1;
 893                 }
 894                 set_cursor(s, s->x + s->esc_params[0], s->y);
 895                 break;
 896             case 'D':
 897                 /* move cursor left */
 898                 if (s->esc_params[0] == 0) {
 899                     s->esc_params[0] = 1;
 900                 }
 901                 set_cursor(s, s->x - s->esc_params[0], s->y);
 902                 break;
 903             case 'G':
 904                 /* move cursor to column */
 905                 set_cursor(s, s->esc_params[0] - 1, s->y);
 906                 break;
 907             case 'f':
 908             case 'H':
 909                 /* move cursor to row, column */
 910                 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
 911                 break;
 912             case 'J':
 913                 switch (s->esc_params[0]) {
 914                 case 0:
 915                     /* clear to end of screen */
 916                     for (y = s->y; y < s->height; y++) {
 917                         for (x = 0; x < s->width; x++) {
 918                             if (y == s->y && x < s->x) {
 919                                 continue;
 920                             }
 921                             console_clear_xy(s, x, y);
 922                         }
 923                     }
 924                     break;
 925                 case 1:
 926                     /* clear from beginning of screen */
 927                     for (y = 0; y <= s->y; y++) {
 928                         for (x = 0; x < s->width; x++) {
 929                             if (y == s->y && x > s->x) {
 930                                 break;
 931                             }
 932                             console_clear_xy(s, x, y);
 933                         }
 934                     }
 935                     break;
 936                 case 2:
 937                     /* clear entire screen */
 938                     for (y = 0; y <= s->height; y++) {
 939                         for (x = 0; x < s->width; x++) {
 940                             console_clear_xy(s, x, y);
 941                         }
 942                     }
 943                     break;
 944                 }
 945                 break;
 946             case 'K':
 947                 switch (s->esc_params[0]) {
 948                 case 0:
 949                     /* clear to eol */
 950                     for(x = s->x; x < s->width; x++) {
 951                         console_clear_xy(s, x, s->y);
 952                     }
 953                     break;
 954                 case 1:
 955                     /* clear from beginning of line */
 956                     for (x = 0; x <= s->x; x++) {
 957                         console_clear_xy(s, x, s->y);
 958                     }
 959                     break;
 960                 case 2:
 961                     /* clear entire line */
 962                     for(x = 0; x < s->width; x++) {
 963                         console_clear_xy(s, x, s->y);
 964                     }
 965                     break;
 966                 }
 967                 break;
 968             case 'm':
 969                 console_handle_escape(s);
 970                 break;
 971             case 'n':
 972                 /* report cursor position */
 973                 /* TODO: send ESC[row;colR */
 974                 break;
 975             case 's':
 976                 /* save cursor position */
 977                 s->x_saved = s->x;
 978                 s->y_saved = s->y;
 979                 break;
 980             case 'u':
 981                 /* restore cursor position */
 982                 s->x = s->x_saved;
 983                 s->y = s->y_saved;
 984                 break;
 985             default:
 986                 trace_console_putchar_unhandled(ch);
 987                 break;
 988             }
 989             break;
 990         }
 991     }
 992 }
 993
 994 void console_select(unsigned int index)
 995 {
 996     DisplayChangeListener *dcl;
 997     QemuConsole *s;
 998
 999     if (index >= MAX_CONSOLES)
1000         return;
1001
1002     trace_console_select(index);
1003     s = qemu_console_lookup_by_index(index);
1004     if (s) {
1005         DisplayState *ds = s->ds;
1006
1007         if (active_console && active_console->cursor_timer) {
1008             timer_del(active_console->cursor_timer);
1009         }
1010         active_console = s;
1011         if (ds->have_gfx) {
1012             QLIST_FOREACH(dcl, &ds->listeners, next) {
1013                 if (dcl->con != NULL) {
1014                     continue;
1015                 }
1016                 if (dcl->ops->dpy_gfx_switch) {
1017                     dcl->ops->dpy_gfx_switch(dcl, s->surface);
1018                 }
1019             }
1020             dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1021                            surface_height(s->surface));
1022         }
1023         if (ds->have_text) {
1024             dpy_text_resize(s, s->width, s->height);
1025         }
1026         if (s->cursor_timer) {
1027             timer_mod(s->cursor_timer,
1028                    qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + CONSOLE_CURSOR_PERIOD / 2);
1029         }
1030     }
1031 }
1032
1033 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
1034 {
1035     QemuConsole *s = chr->opaque;
1036     int i;
1037
1038     s->update_x0 = s->width * FONT_WIDTH;
1039     s->update_y0 = s->height * FONT_HEIGHT;
1040     s->update_x1 = 0;
1041     s->update_y1 = 0;
1042     console_show_cursor(s, 0);
1043     for(i = 0; i < len; i++) {
1044         console_putchar(s, buf[i]);
1045     }
1046     console_show_cursor(s, 1);
1047     if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1048         dpy_gfx_update(s, s->update_x0, s->update_y0,
1049                        s->update_x1 - s->update_x0,
1050                        s->update_y1 - s->update_y0);
1051     }
1052     return len;
1053 }
1054
1055 static void kbd_send_chars(void *opaque)
1056 {
1057     QemuConsole *s = opaque;
1058     int len;
1059     uint8_t buf[16];
1060
1061     len = qemu_chr_be_can_write(s->chr);
1062     if (len > s->out_fifo.count)
1063         len = s->out_fifo.count;
1064     if (len > 0) {
1065         if (len > sizeof(buf))
1066             len = sizeof(buf);
1067         qemu_fifo_read(&s->out_fifo, buf, len);
1068         qemu_chr_be_write(s->chr, buf, len);
1069     }
1070     /* characters are pending: we send them a bit later (XXX:
1071        horrible, should change char device API) */
1072     if (s->out_fifo.count > 0) {
1073         timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1074     }
1075 }
1076
1077 /* called when an ascii key is pressed */
1078 void kbd_put_keysym(int keysym)
1079 {
1080     QemuConsole *s;
1081     uint8_t buf[16], *q;
1082     int c;
1083
1084     s = active_console;
1085     if (!s || (s->console_type == GRAPHIC_CONSOLE))
1086         return;
1087
1088     switch(keysym) {
1089     case QEMU_KEY_CTRL_UP:
1090         console_scroll(s, -1);
1091         break;
1092     case QEMU_KEY_CTRL_DOWN:
1093         console_scroll(s, 1);
1094         break;
1095     case QEMU_KEY_CTRL_PAGEUP:
1096         console_scroll(s, -10);
1097         break;
1098     case QEMU_KEY_CTRL_PAGEDOWN:
1099         console_scroll(s, 10);
1100         break;
1101     default:
1102         /* convert the QEMU keysym to VT100 key string */
1103         q = buf;
1104         if (keysym >= 0xe100 && keysym <= 0xe11f) {
1105             *q++ = '\033';
1106             *q++ = '[';
1107             c = keysym - 0xe100;
1108             if (c >= 10)
1109                 *q++ = '0' + (c / 10);
1110             *q++ = '0' + (c % 10);
1111             *q++ = '~';
1112         } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1113             *q++ = '\033';
1114             *q++ = '[';
1115             *q++ = keysym & 0xff;
1116         } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1117             console_puts(s->chr, (const uint8_t *) "\r", 1);
1118             *q++ = '\n';
1119         } else {
1120             *q++ = keysym;
1121         }
1122         if (s->echo) {
1123             console_puts(s->chr, buf, q - buf);
1124         }
1125         if (s->chr->chr_read) {
1126             qemu_fifo_write(&s->out_fifo, buf, q - buf);
1127             kbd_send_chars(s);
1128         }
1129         break;
1130     }
1131 }
1132
1133 static void text_console_invalidate(void *opaque)
1134 {
1135     QemuConsole *s = (QemuConsole *) opaque;
1136
1137     if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1138         text_console_resize(s);
1139     }
1140     console_refresh(s);
1141 }
1142
1143 static void text_console_update(void *opaque, console_ch_t *chardata)
1144 {
1145     QemuConsole *s = (QemuConsole *) opaque;
1146     int i, j, src;
1147
1148     if (s->text_x[0] <= s->text_x[1]) {
1149         src = (s->y_base + s->text_y[0]) * s->width;
1150         chardata += s->text_y[0] * s->width;
1151         for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1152             for (j = 0; j < s->width; j ++, src ++)
1153                 console_write_ch(chardata ++, s->cells[src].ch |
1154                                 (s->cells[src].t_attrib.fgcol << 12) |
1155                                 (s->cells[src].t_attrib.bgcol << 8) |
1156                                 (s->cells[src].t_attrib.bold << 21));
1157         dpy_text_update(s, s->text_x[0], s->text_y[0],
1158                         s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1159         s->text_x[0] = s->width;
1160         s->text_y[0] = s->height;
1161         s->text_x[1] = 0;
1162         s->text_y[1] = 0;
1163     }
1164     if (s->cursor_invalidate) {
1165         dpy_text_cursor(s, s->x, s->y);
1166         s->cursor_invalidate = 0;
1167     }
1168 }
1169
1170 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type)
1171 {
1172     Error *local_err = NULL;
1173     Object *obj;
1174     QemuConsole *s;
1175     int i;
1176
1177     if (nb_consoles >= MAX_CONSOLES)
1178         return NULL;
1179
1180     obj = object_new(TYPE_QEMU_CONSOLE);
1181     s = QEMU_CONSOLE(obj);
1182     object_property_add_link(obj, "device", TYPE_DEVICE,
1183                              (Object **)&s->device, &local_err);
1184     object_property_add_uint32_ptr(obj, "head",
1185                                    &s->head, &local_err);
1186
1187     if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1188         (console_type == GRAPHIC_CONSOLE))) {
1189         active_console = s;
1190     }
1191     s->ds = ds;
1192     s->console_type = console_type;
1193     if (console_type != GRAPHIC_CONSOLE) {
1194         s->index = nb_consoles;
1195         consoles[nb_consoles++] = s;
1196     } else {
1197         /* HACK: Put graphical consoles before text consoles.  */
1198         for (i = nb_consoles; i > 0; i--) {
1199             if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1200                 break;
1201             consoles[i] = consoles[i - 1];
1202             consoles[i]->index = i;
1203         }
1204         s->index = i;
1205         consoles[i] = s;
1206         nb_consoles++;
1207     }
1208     return s;
1209 }
1210
1211 static void qemu_alloc_display(DisplaySurface *surface, int width, int height,
1212                                int linesize, PixelFormat pf, int newflags)
1213 {
1214     surface->pf = pf;
1215
1216     qemu_pixman_image_unref(surface->image);
1217     surface->image = NULL;
1218
1219     surface->format = qemu_pixman_get_format(&pf);
1220     assert(surface->format != 0);
1221     surface->image = pixman_image_create_bits(surface->format,
1222                                               width, height,
1223                                               NULL, linesize);
1224     assert(surface->image != NULL);
1225
1226     surface->flags = newflags | QEMU_ALLOCATED_FLAG;
1227 #ifdef HOST_WORDS_BIGENDIAN
1228     surface->flags |= QEMU_BIG_ENDIAN_FLAG;
1229 #endif
1230 }
1231
1232 DisplaySurface *qemu_create_displaysurface(int width, int height)
1233 {
1234     DisplaySurface *surface = g_new0(DisplaySurface, 1);
1235     int linesize = width * 4;
1236
1237     trace_displaysurface_create(surface, width, height);
1238     qemu_alloc_display(surface, width, height, linesize,
1239                        qemu_default_pixelformat(32), 0);
1240     return surface;
1241 }
1242
1243 DisplaySurface *qemu_create_displaysurface_from(int width, int height, int bpp,
1244                                                 int linesize, uint8_t *data,
1245                                                 bool byteswap)
1246 {
1247     DisplaySurface *surface = g_new0(DisplaySurface, 1);
1248
1249     trace_displaysurface_create_from(surface, width, height, bpp, byteswap);
1250     if (byteswap) {
1251         surface->pf = qemu_different_endianness_pixelformat(bpp);
1252     } else {
1253         surface->pf = qemu_default_pixelformat(bpp);
1254     }
1255
1256     surface->format = qemu_pixman_get_format(&surface->pf);
1257     assert(surface->format != 0);
1258     surface->image = pixman_image_create_bits(surface->format,
1259                                               width, height,
1260                                               (void *)data, linesize);
1261     assert(surface->image != NULL);
1262
1263 #ifdef HOST_WORDS_BIGENDIAN
1264     surface->flags = QEMU_BIG_ENDIAN_FLAG;
1265 #endif
1266
1267     return surface;
1268 }
1269
1270 static DisplaySurface *qemu_create_dummy_surface(void)
1271 {
1272     static const char msg[] =
1273         "This VM has no graphic display device.";
1274     DisplaySurface *surface = qemu_create_displaysurface(640, 480);
1275     pixman_color_t bg = color_table_rgb[0][COLOR_BLACK];
1276     pixman_color_t fg = color_table_rgb[0][COLOR_WHITE];
1277     pixman_image_t *glyph;
1278     int len, x, y, i;
1279
1280     len = strlen(msg);
1281     x = (640/FONT_WIDTH  - len) / 2;
1282     y = (480/FONT_HEIGHT - 1)   / 2;
1283     for (i = 0; i < len; i++) {
1284         glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1285         qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1286                                  x+i, y, FONT_WIDTH, FONT_HEIGHT);
1287         qemu_pixman_image_unref(glyph);
1288     }
1289     return surface;
1290 }
1291
1292 void qemu_free_displaysurface(DisplaySurface *surface)
1293 {
1294     if (surface == NULL) {
1295         return;
1296     }
1297     trace_displaysurface_free(surface);
1298     qemu_pixman_image_unref(surface->image);
1299     g_free(surface);
1300 }
1301
1302 void register_displaychangelistener(DisplayChangeListener *dcl)
1303 {
1304     static DisplaySurface *dummy;
1305     QemuConsole *con;
1306
1307     trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1308     dcl->ds = get_alloc_displaystate();
1309     QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1310     gui_setup_refresh(dcl->ds);
1311     if (dcl->con) {
1312         dcl->con->dcls++;
1313         con = dcl->con;
1314     } else {
1315         con = active_console;
1316     }
1317     if (dcl->ops->dpy_gfx_switch) {
1318         if (con) {
1319             dcl->ops->dpy_gfx_switch(dcl, con->surface);
1320         } else {
1321             if (!dummy) {
1322                 dummy = qemu_create_dummy_surface();
1323             }
1324             dcl->ops->dpy_gfx_switch(dcl, dummy);
1325         }
1326     }
1327 }
1328
1329 void update_displaychangelistener(DisplayChangeListener *dcl,
1330                                   uint64_t interval)
1331 {
1332     DisplayState *ds = dcl->ds;
1333
1334     dcl->update_interval = interval;
1335     if (!ds->refreshing && ds->update_interval > interval) {
1336         timer_mod(ds->gui_timer, ds->last_update + interval);
1337     }
1338 }
1339
1340 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1341 {
1342     DisplayState *ds = dcl->ds;
1343     trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1344     if (dcl->con) {
1345         dcl->con->dcls--;
1346     }
1347     QLIST_REMOVE(dcl, next);
1348     gui_setup_refresh(ds);
1349 }
1350
1351 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1352 {
1353     assert(con != NULL);
1354     con->ui_info = *info;
1355     if (con->hw_ops->ui_info) {
1356         return con->hw_ops->ui_info(con->hw, con->head, info);
1357     }
1358     return -1;
1359 }
1360
1361 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1362 {
1363     DisplayState *s = con->ds;
1364     DisplayChangeListener *dcl;
1365     int width = surface_width(con->surface);
1366     int height = surface_height(con->surface);
1367
1368     x = MAX(x, 0);
1369     y = MAX(y, 0);
1370     x = MIN(x, width);
1371     y = MIN(y, height);
1372     w = MIN(w, width - x);
1373     h = MIN(h, height - y);
1374
1375     if (!qemu_console_is_visible(con)) {
1376         return;
1377     }
1378     QLIST_FOREACH(dcl, &s->listeners, next) {
1379         if (con != (dcl->con ? dcl->con : active_console)) {
1380             continue;
1381         }
1382         if (dcl->ops->dpy_gfx_update) {
1383             dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1384         }
1385     }
1386 }
1387
1388 void dpy_gfx_replace_surface(QemuConsole *con,
1389                              DisplaySurface *surface)
1390 {
1391     DisplayState *s = con->ds;
1392     DisplaySurface *old_surface = con->surface;
1393     DisplayChangeListener *dcl;
1394
1395     con->surface = surface;
1396     QLIST_FOREACH(dcl, &s->listeners, next) {
1397         if (con != (dcl->con ? dcl->con : active_console)) {
1398             continue;
1399         }
1400         if (dcl->ops->dpy_gfx_switch) {
1401             dcl->ops->dpy_gfx_switch(dcl, surface);
1402         }
1403     }
1404     qemu_free_displaysurface(old_surface);
1405 }
1406
1407 void dpy_refresh(DisplayState *s)
1408 {
1409     DisplayChangeListener *dcl;
1410
1411     QLIST_FOREACH(dcl, &s->listeners, next) {
1412         if (dcl->ops->dpy_refresh) {
1413             dcl->ops->dpy_refresh(dcl);
1414         }
1415     }
1416 }
1417
1418 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
1419                   int dst_x, int dst_y, int w, int h)
1420 {
1421     DisplayState *s = con->ds;
1422     DisplayChangeListener *dcl;
1423
1424     if (!qemu_console_is_visible(con)) {
1425         return;
1426     }
1427     QLIST_FOREACH(dcl, &s->listeners, next) {
1428         if (con != (dcl->con ? dcl->con : active_console)) {
1429             continue;
1430         }
1431         if (dcl->ops->dpy_gfx_copy) {
1432             dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
1433         } else { /* TODO */
1434             dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
1435         }
1436     }
1437 }
1438
1439 void dpy_text_cursor(QemuConsole *con, int x, int y)
1440 {
1441     DisplayState *s = con->ds;
1442     DisplayChangeListener *dcl;
1443
1444     if (!qemu_console_is_visible(con)) {
1445         return;
1446     }
1447     QLIST_FOREACH(dcl, &s->listeners, next) {
1448         if (con != (dcl->con ? dcl->con : active_console)) {
1449             continue;
1450         }
1451         if (dcl->ops->dpy_text_cursor) {
1452             dcl->ops->dpy_text_cursor(dcl, x, y);
1453         }
1454     }
1455 }
1456
1457 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1458 {
1459     DisplayState *s = con->ds;
1460     DisplayChangeListener *dcl;
1461
1462     if (!qemu_console_is_visible(con)) {
1463         return;
1464     }
1465     QLIST_FOREACH(dcl, &s->listeners, next) {
1466         if (con != (dcl->con ? dcl->con : active_console)) {
1467             continue;
1468         }
1469         if (dcl->ops->dpy_text_update) {
1470             dcl->ops->dpy_text_update(dcl, x, y, w, h);
1471         }
1472     }
1473 }
1474
1475 void dpy_text_resize(QemuConsole *con, int w, int h)
1476 {
1477     DisplayState *s = con->ds;
1478     struct DisplayChangeListener *dcl;
1479
1480     if (!qemu_console_is_visible(con)) {
1481         return;
1482     }
1483     QLIST_FOREACH(dcl, &s->listeners, next) {
1484         if (con != (dcl->con ? dcl->con : active_console)) {
1485             continue;
1486         }
1487         if (dcl->ops->dpy_text_resize) {
1488             dcl->ops->dpy_text_resize(dcl, w, h);
1489         }
1490     }
1491 }
1492
1493 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1494 {
1495     DisplayState *s = con->ds;
1496     DisplayChangeListener *dcl;
1497
1498     if (!qemu_console_is_visible(con)) {
1499         return;
1500     }
1501     QLIST_FOREACH(dcl, &s->listeners, next) {
1502         if (con != (dcl->con ? dcl->con : active_console)) {
1503             continue;
1504         }
1505         if (dcl->ops->dpy_mouse_set) {
1506             dcl->ops->dpy_mouse_set(dcl, x, y, on);
1507         }
1508     }
1509 }
1510
1511 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1512 {
1513     DisplayState *s = con->ds;
1514     DisplayChangeListener *dcl;
1515
1516     if (!qemu_console_is_visible(con)) {
1517         return;
1518     }
1519     QLIST_FOREACH(dcl, &s->listeners, next) {
1520         if (con != (dcl->con ? dcl->con : active_console)) {
1521             continue;
1522         }
1523         if (dcl->ops->dpy_cursor_define) {
1524             dcl->ops->dpy_cursor_define(dcl, cursor);
1525         }
1526     }
1527 }
1528
1529 bool dpy_cursor_define_supported(QemuConsole *con)
1530 {
1531     DisplayState *s = con->ds;
1532     DisplayChangeListener *dcl;
1533
1534     QLIST_FOREACH(dcl, &s->listeners, next) {
1535         if (dcl->ops->dpy_cursor_define) {
1536             return true;
1537         }
1538     }
1539     return false;
1540 }
1541
1542 /***********************************************************/
1543 /* register display */
1544
1545 /* console.c internal use only */
1546 static DisplayState *get_alloc_displaystate(void)
1547 {
1548     if (!display_state) {
1549         display_state = g_new0(DisplayState, 1);
1550     }
1551     return display_state;
1552 }
1553
1554 /*
1555  * Called by main(), after creating QemuConsoles
1556  * and before initializing ui (sdl/vnc/...).
1557  */
1558 DisplayState *init_displaystate(void)
1559 {
1560     Error *local_err = NULL;
1561     gchar *name;
1562     int i;
1563
1564     if (!display_state) {
1565         display_state = g_new0(DisplayState, 1);
1566     }
1567
1568     for (i = 0; i < nb_consoles; i++) {
1569         if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1570             consoles[i]->ds == NULL) {
1571             text_console_do_init(consoles[i]->chr, display_state);
1572         }
1573
1574         /* Hook up into the qom tree here (not in new_console()), once
1575          * all QemuConsoles are created and the order / numbering
1576          * doesn't change any more */
1577         name = g_strdup_printf("console[%d]", i);
1578         object_property_add_child(container_get(object_get_root(), "/backend"),
1579                                   name, OBJECT(consoles[i]), &local_err);
1580         g_free(name);
1581     }
1582
1583     return display_state;
1584 }
1585
1586 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1587                                   const GraphicHwOps *hw_ops,
1588                                   void *opaque)
1589 {
1590     Error *local_err = NULL;
1591     int width = 640;
1592     int height = 480;
1593     QemuConsole *s;
1594     DisplayState *ds;
1595
1596     ds = get_alloc_displaystate();
1597     trace_console_gfx_new();
1598     s = new_console(ds, GRAPHIC_CONSOLE);
1599     s->hw_ops = hw_ops;
1600     s->hw = opaque;
1601     if (dev) {
1602         object_property_set_link(OBJECT(s), OBJECT(dev),
1603                                  "device", &local_err);
1604         object_property_set_int(OBJECT(s), head,
1605                                 "head", &local_err);
1606     }
1607
1608     s->surface = qemu_create_displaysurface(width, height);
1609     return s;
1610 }
1611
1612 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1613 {
1614     if (index >= MAX_CONSOLES) {
1615         return NULL;
1616     }
1617     return consoles[index];
1618 }
1619
1620 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1621 {
1622     Error *local_err = NULL;
1623     Object *obj;
1624     uint32_t h;
1625     int i;
1626
1627     for (i = 0; i < nb_consoles; i++) {
1628         if (!consoles[i]) {
1629             continue;
1630         }
1631         obj = object_property_get_link(OBJECT(consoles[i]),
1632                                        "device", &local_err);
1633         if (DEVICE(obj) != dev) {
1634             continue;
1635         }
1636         h = object_property_get_int(OBJECT(consoles[i]),
1637                                     "head", &local_err);
1638         if (h != head) {
1639             continue;
1640         }
1641         return consoles[i];
1642     }
1643     return NULL;
1644 }
1645
1646 bool qemu_console_is_visible(QemuConsole *con)
1647 {
1648     return (con == active_console) || (con->dcls > 0);
1649 }
1650
1651 bool qemu_console_is_graphic(QemuConsole *con)
1652 {
1653     if (con == NULL) {
1654         con = active_console;
1655     }
1656     return con && (con->console_type == GRAPHIC_CONSOLE);
1657 }
1658
1659 bool qemu_console_is_fixedsize(QemuConsole *con)
1660 {
1661     if (con == NULL) {
1662         con = active_console;
1663     }
1664     return con && (con->console_type != TEXT_CONSOLE);
1665 }
1666
1667 int qemu_console_get_index(QemuConsole *con)
1668 {
1669     if (con == NULL) {
1670         con = active_console;
1671     }
1672     return con ? con->index : -1;
1673 }
1674
1675 uint32_t qemu_console_get_head(QemuConsole *con)
1676 {
1677     if (con == NULL) {
1678         con = active_console;
1679     }
1680     return con ? con->head : -1;
1681 }
1682
1683 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
1684 {
1685     assert(con != NULL);
1686     return &con->ui_info;
1687 }
1688
1689 int qemu_console_get_width(QemuConsole *con, int fallback)
1690 {
1691     if (con == NULL) {
1692         con = active_console;
1693     }
1694     return con ? surface_width(con->surface) : fallback;
1695 }
1696
1697 int qemu_console_get_height(QemuConsole *con, int fallback)
1698 {
1699     if (con == NULL) {
1700         con = active_console;
1701     }
1702     return con ? surface_height(con->surface) : fallback;
1703 }
1704
1705 static void text_console_set_echo(CharDriverState *chr, bool echo)
1706 {
1707     QemuConsole *s = chr->opaque;
1708
1709     s->echo = echo;
1710 }
1711
1712 static void text_console_update_cursor(void *opaque)
1713 {
1714     QemuConsole *s = opaque;
1715
1716     s->cursor_visible_phase = !s->cursor_visible_phase;
1717     graphic_hw_invalidate(s);
1718     timer_mod(s->cursor_timer,
1719                    qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + CONSOLE_CURSOR_PERIOD / 2);
1720 }
1721
1722 static const GraphicHwOps text_console_ops = {
1723     .invalidate  = text_console_invalidate,
1724     .text_update = text_console_update,
1725 };
1726
1727 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1728 {
1729     QemuConsole *s;
1730     int g_width = 80 * FONT_WIDTH;
1731     int g_height = 24 * FONT_HEIGHT;
1732
1733     s = chr->opaque;
1734
1735     chr->chr_write = console_puts;
1736
1737     s->out_fifo.buf = s->out_fifo_buf;
1738     s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1739     s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
1740     s->ds = ds;
1741
1742     s->y_displayed = 0;
1743     s->y_base = 0;
1744     s->total_height = DEFAULT_BACKSCROLL;
1745     s->x = 0;
1746     s->y = 0;
1747     if (!s->surface) {
1748         if (active_console && active_console->surface) {
1749             g_width = surface_width(active_console->surface);
1750             g_height = surface_height(active_console->surface);
1751         }
1752         s->surface = qemu_create_displaysurface(g_width, g_height);
1753     }
1754
1755     s->cursor_timer =
1756         timer_new_ms(QEMU_CLOCK_REALTIME, text_console_update_cursor, s);
1757
1758     s->hw_ops = &text_console_ops;
1759     s->hw = s;
1760
1761     /* Set text attribute defaults */
1762     s->t_attrib_default.bold = 0;
1763     s->t_attrib_default.uline = 0;
1764     s->t_attrib_default.blink = 0;
1765     s->t_attrib_default.invers = 0;
1766     s->t_attrib_default.unvisible = 0;
1767     s->t_attrib_default.fgcol = COLOR_WHITE;
1768     s->t_attrib_default.bgcol = COLOR_BLACK;
1769     /* set current text attributes to default */
1770     s->t_attrib = s->t_attrib_default;
1771     text_console_resize(s);
1772
1773     if (chr->label) {
1774         char msg[128];
1775         int len;
1776
1777         s->t_attrib.bgcol = COLOR_BLUE;
1778         len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
1779         console_puts(chr, (uint8_t*)msg, len);
1780         s->t_attrib = s->t_attrib_default;
1781     }
1782
1783     qemu_chr_be_generic_open(chr);
1784     if (chr->init)
1785         chr->init(chr);
1786 }
1787
1788 static CharDriverState *text_console_init(ChardevVC *vc)
1789 {
1790     CharDriverState *chr;
1791     QemuConsole *s;
1792     unsigned width = 0;
1793     unsigned height = 0;
1794
1795     chr = g_malloc0(sizeof(CharDriverState));
1796
1797     if (vc->has_width) {
1798         width = vc->width;
1799     } else if (vc->has_cols) {
1800         width = vc->cols * FONT_WIDTH;
1801     }
1802
1803     if (vc->has_height) {
1804         height = vc->height;
1805     } else if (vc->has_rows) {
1806         height = vc->rows * FONT_HEIGHT;
1807     }
1808
1809     trace_console_txt_new(width, height);
1810     if (width == 0 || height == 0) {
1811         s = new_console(NULL, TEXT_CONSOLE);
1812     } else {
1813         s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE);
1814         s->surface = qemu_create_displaysurface(width, height);
1815     }
1816
1817     if (!s) {
1818         g_free(chr);
1819         return NULL;
1820     }
1821
1822     s->chr = chr;
1823     chr->opaque = s;
1824     chr->chr_set_echo = text_console_set_echo;
1825     /* console/chardev init sometimes completes elsewhere in a 2nd
1826      * stage, so defer OPENED events until they are fully initialized
1827      */
1828     chr->explicit_be_open = true;
1829
1830     if (display_state) {
1831         text_console_do_init(chr, display_state);
1832     }
1833     return chr;
1834 }
1835
1836 static VcHandler *vc_handler = text_console_init;
1837
1838 CharDriverState *vc_init(ChardevVC *vc)
1839 {
1840     return vc_handler(vc);
1841 }
1842
1843 void register_vc_handler(VcHandler *handler)
1844 {
1845     vc_handler = handler;
1846 }
1847
1848 void qemu_console_resize(QemuConsole *s, int width, int height)
1849 {
1850     DisplaySurface *surface;
1851
1852     assert(s->console_type == GRAPHIC_CONSOLE);
1853     surface = qemu_create_displaysurface(width, height);
1854     dpy_gfx_replace_surface(s, surface);
1855 }
1856
1857 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
1858                        int dst_x, int dst_y, int w, int h)
1859 {
1860     assert(con->console_type == GRAPHIC_CONSOLE);
1861     dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
1862 }
1863
1864 DisplaySurface *qemu_console_surface(QemuConsole *console)
1865 {
1866     return console->surface;
1867 }
1868
1869 DisplayState *qemu_console_displaystate(QemuConsole *console)
1870 {
1871     return console->ds;
1872 }
1873
1874 PixelFormat qemu_different_endianness_pixelformat(int bpp)
1875 {
1876     PixelFormat pf;
1877
1878     memset(&pf, 0x00, sizeof(PixelFormat));
1879
1880     pf.bits_per_pixel = bpp;
1881     pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8);
1882     pf.depth = bpp == 32 ? 24 : bpp;
1883
1884     switch (bpp) {
1885         case 24:
1886             pf.rmask = 0x000000FF;
1887             pf.gmask = 0x0000FF00;
1888             pf.bmask = 0x00FF0000;
1889             pf.rmax = 255;
1890             pf.gmax = 255;
1891             pf.bmax = 255;
1892             pf.rshift = 0;
1893             pf.gshift = 8;
1894             pf.bshift = 16;
1895             pf.rbits = 8;
1896             pf.gbits = 8;
1897             pf.bbits = 8;
1898             break;
1899         case 32:
1900             pf.rmask = 0x0000FF00;
1901             pf.gmask = 0x00FF0000;
1902             pf.bmask = 0xFF000000;
1903             pf.amask = 0x00000000;
1904             pf.amax = 255;
1905             pf.rmax = 255;
1906             pf.gmax = 255;
1907             pf.bmax = 255;
1908             pf.ashift = 0;
1909             pf.rshift = 8;
1910             pf.gshift = 16;
1911             pf.bshift = 24;
1912             pf.rbits = 8;
1913             pf.gbits = 8;
1914             pf.bbits = 8;
1915             pf.abits = 8;
1916             break;
1917         default:
1918             break;
1919     }
1920     return pf;
1921 }
1922
1923 PixelFormat qemu_default_pixelformat(int bpp)
1924 {
1925     PixelFormat pf;
1926
1927     memset(&pf, 0x00, sizeof(PixelFormat));
1928
1929     pf.bits_per_pixel = bpp;
1930     pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8);
1931     pf.depth = bpp == 32 ? 24 : bpp;
1932
1933     switch (bpp) {
1934         case 15:
1935             pf.bits_per_pixel = 16;
1936             pf.rmask = 0x00007c00;
1937             pf.gmask = 0x000003E0;
1938             pf.bmask = 0x0000001F;
1939             pf.rmax = 31;
1940             pf.gmax = 31;
1941             pf.bmax = 31;
1942             pf.rshift = 10;
1943             pf.gshift = 5;
1944             pf.bshift = 0;
1945             pf.rbits = 5;
1946             pf.gbits = 5;
1947             pf.bbits = 5;
1948             break;
1949         case 16:
1950             pf.rmask = 0x0000F800;
1951             pf.gmask = 0x000007E0;
1952             pf.bmask = 0x0000001F;
1953             pf.rmax = 31;
1954             pf.gmax = 63;
1955             pf.bmax = 31;
1956             pf.rshift = 11;
1957             pf.gshift = 5;
1958             pf.bshift = 0;
1959             pf.rbits = 5;
1960             pf.gbits = 6;
1961             pf.bbits = 5;
1962             break;
1963         case 24:
1964             pf.rmask = 0x00FF0000;
1965             pf.gmask = 0x0000FF00;
1966             pf.bmask = 0x000000FF;
1967             pf.rmax = 255;
1968             pf.gmax = 255;
1969             pf.bmax = 255;
1970             pf.rshift = 16;
1971             pf.gshift = 8;
1972             pf.bshift = 0;
1973             pf.rbits = 8;
1974             pf.gbits = 8;
1975             pf.bbits = 8;
1976             break;
1977         case 32:
1978             pf.rmask = 0x00FF0000;
1979             pf.gmask = 0x0000FF00;
1980             pf.bmask = 0x000000FF;
1981             pf.rmax = 255;
1982             pf.gmax = 255;
1983             pf.bmax = 255;
1984             pf.rshift = 16;
1985             pf.gshift = 8;
1986             pf.bshift = 0;
1987             pf.rbits = 8;
1988             pf.gbits = 8;
1989             pf.bbits = 8;
1990             break;
1991         default:
1992             break;
1993     }
1994     return pf;
1995 }
1996
1997 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
1998                               Error **errp)
1999 {
2000     int val;
2001
2002     backend->vc = g_new0(ChardevVC, 1);
2003
2004     val = qemu_opt_get_number(opts, "width", 0);
2005     if (val != 0) {
2006         backend->vc->has_width = true;
2007         backend->vc->width = val;
2008     }
2009
2010     val = qemu_opt_get_number(opts, "height", 0);
2011     if (val != 0) {
2012         backend->vc->has_height = true;
2013         backend->vc->height = val;
2014     }
2015
2016     val = qemu_opt_get_number(opts, "cols", 0);
2017     if (val != 0) {
2018         backend->vc->has_cols = true;
2019         backend->vc->cols = val;
2020     }
2021
2022     val = qemu_opt_get_number(opts, "rows", 0);
2023     if (val != 0) {
2024         backend->vc->has_rows = true;
2025         backend->vc->rows = val;
2026     }
2027 }
2028
2029 static const TypeInfo qemu_console_info = {
2030     .name = TYPE_QEMU_CONSOLE,
2031     .parent = TYPE_OBJECT,
2032     .instance_size = sizeof(QemuConsole),
2033     .class_size = sizeof(QemuConsoleClass),
2034 };
2035
2036
2037 static void register_types(void)
2038 {
2039     type_register_static(&qemu_console_info);
2040     register_char_driver_qapi("vc", CHARDEV_BACKEND_KIND_VC,
2041                               qemu_chr_parse_vc);
2042 }
2043
2044 type_init(register_types);