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/osdep.h" 25 #include "qemu-common.h" 26 #include "ui/console.h" 27 #include "hw/qdev-core.h" 28 #include "qemu/timer.h" 29 #include "qmp-commands.h" 30 #include "sysemu/char.h" 31 #include "trace.h" 32 #include "exec/memory.h" 33 34 #define DEFAULT_BACKSCROLL 512 35 #define CONSOLE_CURSOR_PERIOD 500 36 37 typedef struct TextAttributes { 38 uint8_t fgcol:4; 39 uint8_t bgcol:4; 40 uint8_t bold:1; 41 uint8_t uline:1; 42 uint8_t blink:1; 43 uint8_t invers:1; 44 uint8_t unvisible:1; 45 } TextAttributes; 46 47 typedef struct TextCell { 48 uint8_t ch; 49 TextAttributes t_attrib; 50 } TextCell; 51 52 #define MAX_ESC_PARAMS 3 53 54 enum TTYState { 55 TTY_STATE_NORM, 56 TTY_STATE_ESC, 57 TTY_STATE_CSI, 58 }; 59 60 typedef struct QEMUFIFO { 61 uint8_t *buf; 62 int buf_size; 63 int count, wptr, rptr; 64 } QEMUFIFO; 65 66 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1) 67 { 68 int l, len; 69 70 l = f->buf_size - f->count; 71 if (len1 > l) 72 len1 = l; 73 len = len1; 74 while (len > 0) { 75 l = f->buf_size - f->wptr; 76 if (l > len) 77 l = len; 78 memcpy(f->buf + f->wptr, buf, l); 79 f->wptr += l; 80 if (f->wptr >= f->buf_size) 81 f->wptr = 0; 82 buf += l; 83 len -= l; 84 } 85 f->count += len1; 86 return len1; 87 } 88 89 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1) 90 { 91 int l, len; 92 93 if (len1 > f->count) 94 len1 = f->count; 95 len = len1; 96 while (len > 0) { 97 l = f->buf_size - f->rptr; 98 if (l > len) 99 l = len; 100 memcpy(buf, f->buf + f->rptr, l); 101 f->rptr += l; 102 if (f->rptr >= f->buf_size) 103 f->rptr = 0; 104 buf += l; 105 len -= l; 106 } 107 f->count -= len1; 108 return len1; 109 } 110 111 typedef enum { 112 GRAPHIC_CONSOLE, 113 TEXT_CONSOLE, 114 TEXT_CONSOLE_FIXED_SIZE 115 } console_type_t; 116 117 struct QemuConsole { 118 Object parent; 119 120 int index; 121 console_type_t console_type; 122 DisplayState *ds; 123 DisplaySurface *surface; 124 int dcls; 125 DisplayChangeListener *gl; 126 bool gl_block; 127 128 /* Graphic console state. */ 129 Object *device; 130 uint32_t head; 131 QemuUIInfo ui_info; 132 QEMUTimer *ui_timer; 133 const GraphicHwOps *hw_ops; 134 void *hw; 135 136 /* Text console state */ 137 int width; 138 int height; 139 int total_height; 140 int backscroll_height; 141 int x, y; 142 int x_saved, y_saved; 143 int y_displayed; 144 int y_base; 145 TextAttributes t_attrib_default; /* default text attributes */ 146 TextAttributes t_attrib; /* currently active text attributes */ 147 TextCell *cells; 148 int text_x[2], text_y[2], cursor_invalidate; 149 int echo; 150 151 int update_x0; 152 int update_y0; 153 int update_x1; 154 int update_y1; 155 156 enum TTYState state; 157 int esc_params[MAX_ESC_PARAMS]; 158 int nb_esc_params; 159 160 CharDriverState *chr; 161 /* fifo for key pressed */ 162 QEMUFIFO out_fifo; 163 uint8_t out_fifo_buf[16]; 164 QEMUTimer *kbd_timer; 165 }; 166 167 struct DisplayState { 168 QEMUTimer *gui_timer; 169 uint64_t last_update; 170 uint64_t update_interval; 171 bool refreshing; 172 bool have_gfx; 173 bool have_text; 174 175 QLIST_HEAD(, DisplayChangeListener) listeners; 176 }; 177 178 static DisplayState *display_state; 179 static QemuConsole *active_console; 180 static QemuConsole **consoles; 181 static int nb_consoles = 0; 182 static bool cursor_visible_phase; 183 static QEMUTimer *cursor_timer; 184 185 static void text_console_do_init(CharDriverState *chr, DisplayState *ds); 186 static void dpy_refresh(DisplayState *s); 187 static DisplayState *get_alloc_displaystate(void); 188 static void text_console_update_cursor_timer(void); 189 static void text_console_update_cursor(void *opaque); 190 191 static void gui_update(void *opaque) 192 { 193 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE; 194 uint64_t dcl_interval; 195 DisplayState *ds = opaque; 196 DisplayChangeListener *dcl; 197 int i; 198 199 ds->refreshing = true; 200 dpy_refresh(ds); 201 ds->refreshing = false; 202 203 QLIST_FOREACH(dcl, &ds->listeners, next) { 204 dcl_interval = dcl->update_interval ? 205 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT; 206 if (interval > dcl_interval) { 207 interval = dcl_interval; 208 } 209 } 210 if (ds->update_interval != interval) { 211 ds->update_interval = interval; 212 for (i = 0; i < nb_consoles; i++) { 213 if (consoles[i]->hw_ops->update_interval) { 214 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval); 215 } 216 } 217 trace_console_refresh(interval); 218 } 219 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME); 220 timer_mod(ds->gui_timer, ds->last_update + interval); 221 } 222 223 static void gui_setup_refresh(DisplayState *ds) 224 { 225 DisplayChangeListener *dcl; 226 bool need_timer = false; 227 bool have_gfx = false; 228 bool have_text = false; 229 230 QLIST_FOREACH(dcl, &ds->listeners, next) { 231 if (dcl->ops->dpy_refresh != NULL) { 232 need_timer = true; 233 } 234 if (dcl->ops->dpy_gfx_update != NULL) { 235 have_gfx = true; 236 } 237 if (dcl->ops->dpy_text_update != NULL) { 238 have_text = true; 239 } 240 } 241 242 if (need_timer && ds->gui_timer == NULL) { 243 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds); 244 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)); 245 } 246 if (!need_timer && ds->gui_timer != NULL) { 247 timer_del(ds->gui_timer); 248 timer_free(ds->gui_timer); 249 ds->gui_timer = NULL; 250 } 251 252 ds->have_gfx = have_gfx; 253 ds->have_text = have_text; 254 } 255 256 void graphic_hw_update(QemuConsole *con) 257 { 258 if (!con) { 259 con = active_console; 260 } 261 if (con && con->hw_ops->gfx_update) { 262 con->hw_ops->gfx_update(con->hw); 263 } 264 } 265 266 void graphic_hw_gl_block(QemuConsole *con, bool block) 267 { 268 assert(con != NULL); 269 270 con->gl_block = block; 271 if (con->hw_ops->gl_block) { 272 con->hw_ops->gl_block(con->hw, block); 273 } 274 } 275 276 void graphic_hw_invalidate(QemuConsole *con) 277 { 278 if (!con) { 279 con = active_console; 280 } 281 if (con && con->hw_ops->invalidate) { 282 con->hw_ops->invalidate(con->hw); 283 } 284 } 285 286 static void ppm_save(const char *filename, DisplaySurface *ds, 287 Error **errp) 288 { 289 int width = pixman_image_get_width(ds->image); 290 int height = pixman_image_get_height(ds->image); 291 int fd; 292 FILE *f; 293 int y; 294 int ret; 295 pixman_image_t *linebuf; 296 297 trace_ppm_save(filename, ds); 298 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666); 299 if (fd == -1) { 300 error_setg(errp, "failed to open file '%s': %s", filename, 301 strerror(errno)); 302 return; 303 } 304 f = fdopen(fd, "wb"); 305 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255); 306 if (ret < 0) { 307 linebuf = NULL; 308 goto write_err; 309 } 310 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width); 311 for (y = 0; y < height; y++) { 312 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y); 313 clearerr(f); 314 ret = fwrite(pixman_image_get_data(linebuf), 1, 315 pixman_image_get_stride(linebuf), f); 316 (void)ret; 317 if (ferror(f)) { 318 goto write_err; 319 } 320 } 321 322 out: 323 qemu_pixman_image_unref(linebuf); 324 fclose(f); 325 return; 326 327 write_err: 328 error_setg(errp, "failed to write to file '%s': %s", filename, 329 strerror(errno)); 330 unlink(filename); 331 goto out; 332 } 333 334 void qmp_screendump(const char *filename, Error **errp) 335 { 336 QemuConsole *con = qemu_console_lookup_by_index(0); 337 DisplaySurface *surface; 338 339 if (con == NULL) { 340 error_setg(errp, "There is no QemuConsole I can screendump from."); 341 return; 342 } 343 344 graphic_hw_update(con); 345 surface = qemu_console_surface(con); 346 ppm_save(filename, surface, errp); 347 } 348 349 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata) 350 { 351 if (!con) { 352 con = active_console; 353 } 354 if (con && con->hw_ops->text_update) { 355 con->hw_ops->text_update(con->hw, chardata); 356 } 357 } 358 359 static void vga_fill_rect(QemuConsole *con, 360 int posx, int posy, int width, int height, 361 pixman_color_t color) 362 { 363 DisplaySurface *surface = qemu_console_surface(con); 364 pixman_rectangle16_t rect = { 365 .x = posx, .y = posy, .width = width, .height = height 366 }; 367 368 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image, 369 &color, 1, &rect); 370 } 371 372 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */ 373 static void vga_bitblt(QemuConsole *con, 374 int xs, int ys, int xd, int yd, int w, int h) 375 { 376 DisplaySurface *surface = qemu_console_surface(con); 377 378 pixman_image_composite(PIXMAN_OP_SRC, 379 surface->image, NULL, surface->image, 380 xs, ys, 0, 0, xd, yd, w, h); 381 } 382 383 /***********************************************************/ 384 /* basic char display */ 385 386 #define FONT_HEIGHT 16 387 #define FONT_WIDTH 8 388 389 #include "vgafont.h" 390 391 #define QEMU_RGB(r, g, b) \ 392 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff } 393 394 static const pixman_color_t color_table_rgb[2][8] = { 395 { /* dark */ 396 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */ 397 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */ 398 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */ 399 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */ 400 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */ 401 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */ 402 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */ 403 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */ 404 }, 405 { /* bright */ 406 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */ 407 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */ 408 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */ 409 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */ 410 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */ 411 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */ 412 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */ 413 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */ 414 } 415 }; 416 417 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch, 418 TextAttributes *t_attrib) 419 { 420 static pixman_image_t *glyphs[256]; 421 DisplaySurface *surface = qemu_console_surface(s); 422 pixman_color_t fgcol, bgcol; 423 424 if (t_attrib->invers) { 425 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol]; 426 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol]; 427 } else { 428 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol]; 429 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol]; 430 } 431 432 if (!glyphs[ch]) { 433 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch); 434 } 435 qemu_pixman_glyph_render(glyphs[ch], surface->image, 436 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT); 437 } 438 439 static void text_console_resize(QemuConsole *s) 440 { 441 TextCell *cells, *c, *c1; 442 int w1, x, y, last_width; 443 444 last_width = s->width; 445 s->width = surface_width(s->surface) / FONT_WIDTH; 446 s->height = surface_height(s->surface) / FONT_HEIGHT; 447 448 w1 = last_width; 449 if (s->width < w1) 450 w1 = s->width; 451 452 cells = g_new(TextCell, s->width * s->total_height); 453 for(y = 0; y < s->total_height; y++) { 454 c = &cells[y * s->width]; 455 if (w1 > 0) { 456 c1 = &s->cells[y * last_width]; 457 for(x = 0; x < w1; x++) { 458 *c++ = *c1++; 459 } 460 } 461 for(x = w1; x < s->width; x++) { 462 c->ch = ' '; 463 c->t_attrib = s->t_attrib_default; 464 c++; 465 } 466 } 467 g_free(s->cells); 468 s->cells = cells; 469 } 470 471 static inline void text_update_xy(QemuConsole *s, int x, int y) 472 { 473 s->text_x[0] = MIN(s->text_x[0], x); 474 s->text_x[1] = MAX(s->text_x[1], x); 475 s->text_y[0] = MIN(s->text_y[0], y); 476 s->text_y[1] = MAX(s->text_y[1], y); 477 } 478 479 static void invalidate_xy(QemuConsole *s, int x, int y) 480 { 481 if (!qemu_console_is_visible(s)) { 482 return; 483 } 484 if (s->update_x0 > x * FONT_WIDTH) 485 s->update_x0 = x * FONT_WIDTH; 486 if (s->update_y0 > y * FONT_HEIGHT) 487 s->update_y0 = y * FONT_HEIGHT; 488 if (s->update_x1 < (x + 1) * FONT_WIDTH) 489 s->update_x1 = (x + 1) * FONT_WIDTH; 490 if (s->update_y1 < (y + 1) * FONT_HEIGHT) 491 s->update_y1 = (y + 1) * FONT_HEIGHT; 492 } 493 494 static void update_xy(QemuConsole *s, int x, int y) 495 { 496 TextCell *c; 497 int y1, y2; 498 499 if (s->ds->have_text) { 500 text_update_xy(s, x, y); 501 } 502 503 y1 = (s->y_base + y) % s->total_height; 504 y2 = y1 - s->y_displayed; 505 if (y2 < 0) { 506 y2 += s->total_height; 507 } 508 if (y2 < s->height) { 509 c = &s->cells[y1 * s->width + x]; 510 vga_putcharxy(s, x, y2, c->ch, 511 &(c->t_attrib)); 512 invalidate_xy(s, x, y2); 513 } 514 } 515 516 static void console_show_cursor(QemuConsole *s, int show) 517 { 518 TextCell *c; 519 int y, y1; 520 int x = s->x; 521 522 if (s->ds->have_text) { 523 s->cursor_invalidate = 1; 524 } 525 526 if (x >= s->width) { 527 x = s->width - 1; 528 } 529 y1 = (s->y_base + s->y) % s->total_height; 530 y = y1 - s->y_displayed; 531 if (y < 0) { 532 y += s->total_height; 533 } 534 if (y < s->height) { 535 c = &s->cells[y1 * s->width + x]; 536 if (show && cursor_visible_phase) { 537 TextAttributes t_attrib = s->t_attrib_default; 538 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */ 539 vga_putcharxy(s, x, y, c->ch, &t_attrib); 540 } else { 541 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib)); 542 } 543 invalidate_xy(s, x, y); 544 } 545 } 546 547 static void console_refresh(QemuConsole *s) 548 { 549 DisplaySurface *surface = qemu_console_surface(s); 550 TextCell *c; 551 int x, y, y1; 552 553 if (s->ds->have_text) { 554 s->text_x[0] = 0; 555 s->text_y[0] = 0; 556 s->text_x[1] = s->width - 1; 557 s->text_y[1] = s->height - 1; 558 s->cursor_invalidate = 1; 559 } 560 561 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface), 562 color_table_rgb[0][QEMU_COLOR_BLACK]); 563 y1 = s->y_displayed; 564 for (y = 0; y < s->height; y++) { 565 c = s->cells + y1 * s->width; 566 for (x = 0; x < s->width; x++) { 567 vga_putcharxy(s, x, y, c->ch, 568 &(c->t_attrib)); 569 c++; 570 } 571 if (++y1 == s->total_height) { 572 y1 = 0; 573 } 574 } 575 console_show_cursor(s, 1); 576 dpy_gfx_update(s, 0, 0, 577 surface_width(surface), surface_height(surface)); 578 } 579 580 static void console_scroll(QemuConsole *s, int ydelta) 581 { 582 int i, y1; 583 584 if (ydelta > 0) { 585 for(i = 0; i < ydelta; i++) { 586 if (s->y_displayed == s->y_base) 587 break; 588 if (++s->y_displayed == s->total_height) 589 s->y_displayed = 0; 590 } 591 } else { 592 ydelta = -ydelta; 593 i = s->backscroll_height; 594 if (i > s->total_height - s->height) 595 i = s->total_height - s->height; 596 y1 = s->y_base - i; 597 if (y1 < 0) 598 y1 += s->total_height; 599 for(i = 0; i < ydelta; i++) { 600 if (s->y_displayed == y1) 601 break; 602 if (--s->y_displayed < 0) 603 s->y_displayed = s->total_height - 1; 604 } 605 } 606 console_refresh(s); 607 } 608 609 static void console_put_lf(QemuConsole *s) 610 { 611 TextCell *c; 612 int x, y1; 613 614 s->y++; 615 if (s->y >= s->height) { 616 s->y = s->height - 1; 617 618 if (s->y_displayed == s->y_base) { 619 if (++s->y_displayed == s->total_height) 620 s->y_displayed = 0; 621 } 622 if (++s->y_base == s->total_height) 623 s->y_base = 0; 624 if (s->backscroll_height < s->total_height) 625 s->backscroll_height++; 626 y1 = (s->y_base + s->height - 1) % s->total_height; 627 c = &s->cells[y1 * s->width]; 628 for(x = 0; x < s->width; x++) { 629 c->ch = ' '; 630 c->t_attrib = s->t_attrib_default; 631 c++; 632 } 633 if (s->y_displayed == s->y_base) { 634 if (s->ds->have_text) { 635 s->text_x[0] = 0; 636 s->text_y[0] = 0; 637 s->text_x[1] = s->width - 1; 638 s->text_y[1] = s->height - 1; 639 } 640 641 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0, 642 s->width * FONT_WIDTH, 643 (s->height - 1) * FONT_HEIGHT); 644 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT, 645 s->width * FONT_WIDTH, FONT_HEIGHT, 646 color_table_rgb[0][s->t_attrib_default.bgcol]); 647 s->update_x0 = 0; 648 s->update_y0 = 0; 649 s->update_x1 = s->width * FONT_WIDTH; 650 s->update_y1 = s->height * FONT_HEIGHT; 651 } 652 } 653 } 654 655 /* Set console attributes depending on the current escape codes. 656 * NOTE: I know this code is not very efficient (checking every color for it 657 * self) but it is more readable and better maintainable. 658 */ 659 static void console_handle_escape(QemuConsole *s) 660 { 661 int i; 662 663 for (i=0; i<s->nb_esc_params; i++) { 664 switch (s->esc_params[i]) { 665 case 0: /* reset all console attributes to default */ 666 s->t_attrib = s->t_attrib_default; 667 break; 668 case 1: 669 s->t_attrib.bold = 1; 670 break; 671 case 4: 672 s->t_attrib.uline = 1; 673 break; 674 case 5: 675 s->t_attrib.blink = 1; 676 break; 677 case 7: 678 s->t_attrib.invers = 1; 679 break; 680 case 8: 681 s->t_attrib.unvisible = 1; 682 break; 683 case 22: 684 s->t_attrib.bold = 0; 685 break; 686 case 24: 687 s->t_attrib.uline = 0; 688 break; 689 case 25: 690 s->t_attrib.blink = 0; 691 break; 692 case 27: 693 s->t_attrib.invers = 0; 694 break; 695 case 28: 696 s->t_attrib.unvisible = 0; 697 break; 698 /* set foreground color */ 699 case 30: 700 s->t_attrib.fgcol = QEMU_COLOR_BLACK; 701 break; 702 case 31: 703 s->t_attrib.fgcol = QEMU_COLOR_RED; 704 break; 705 case 32: 706 s->t_attrib.fgcol = QEMU_COLOR_GREEN; 707 break; 708 case 33: 709 s->t_attrib.fgcol = QEMU_COLOR_YELLOW; 710 break; 711 case 34: 712 s->t_attrib.fgcol = QEMU_COLOR_BLUE; 713 break; 714 case 35: 715 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA; 716 break; 717 case 36: 718 s->t_attrib.fgcol = QEMU_COLOR_CYAN; 719 break; 720 case 37: 721 s->t_attrib.fgcol = QEMU_COLOR_WHITE; 722 break; 723 /* set background color */ 724 case 40: 725 s->t_attrib.bgcol = QEMU_COLOR_BLACK; 726 break; 727 case 41: 728 s->t_attrib.bgcol = QEMU_COLOR_RED; 729 break; 730 case 42: 731 s->t_attrib.bgcol = QEMU_COLOR_GREEN; 732 break; 733 case 43: 734 s->t_attrib.bgcol = QEMU_COLOR_YELLOW; 735 break; 736 case 44: 737 s->t_attrib.bgcol = QEMU_COLOR_BLUE; 738 break; 739 case 45: 740 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA; 741 break; 742 case 46: 743 s->t_attrib.bgcol = QEMU_COLOR_CYAN; 744 break; 745 case 47: 746 s->t_attrib.bgcol = QEMU_COLOR_WHITE; 747 break; 748 } 749 } 750 } 751 752 static void console_clear_xy(QemuConsole *s, int x, int y) 753 { 754 int y1 = (s->y_base + y) % s->total_height; 755 TextCell *c = &s->cells[y1 * s->width + x]; 756 c->ch = ' '; 757 c->t_attrib = s->t_attrib_default; 758 update_xy(s, x, y); 759 } 760 761 static void console_put_one(QemuConsole *s, int ch) 762 { 763 TextCell *c; 764 int y1; 765 if (s->x >= s->width) { 766 /* line wrap */ 767 s->x = 0; 768 console_put_lf(s); 769 } 770 y1 = (s->y_base + s->y) % s->total_height; 771 c = &s->cells[y1 * s->width + s->x]; 772 c->ch = ch; 773 c->t_attrib = s->t_attrib; 774 update_xy(s, s->x, s->y); 775 s->x++; 776 } 777 778 static void console_respond_str(QemuConsole *s, const char *buf) 779 { 780 while (*buf) { 781 console_put_one(s, *buf); 782 buf++; 783 } 784 } 785 786 /* set cursor, checking bounds */ 787 static void set_cursor(QemuConsole *s, int x, int y) 788 { 789 if (x < 0) { 790 x = 0; 791 } 792 if (y < 0) { 793 y = 0; 794 } 795 if (y >= s->height) { 796 y = s->height - 1; 797 } 798 if (x >= s->width) { 799 x = s->width - 1; 800 } 801 802 s->x = x; 803 s->y = y; 804 } 805 806 static void console_putchar(QemuConsole *s, int ch) 807 { 808 int i; 809 int x, y; 810 char response[40]; 811 812 switch(s->state) { 813 case TTY_STATE_NORM: 814 switch(ch) { 815 case '\r': /* carriage return */ 816 s->x = 0; 817 break; 818 case '\n': /* newline */ 819 console_put_lf(s); 820 break; 821 case '\b': /* backspace */ 822 if (s->x > 0) 823 s->x--; 824 break; 825 case '\t': /* tabspace */ 826 if (s->x + (8 - (s->x % 8)) > s->width) { 827 s->x = 0; 828 console_put_lf(s); 829 } else { 830 s->x = s->x + (8 - (s->x % 8)); 831 } 832 break; 833 case '\a': /* alert aka. bell */ 834 /* TODO: has to be implemented */ 835 break; 836 case 14: 837 /* SI (shift in), character set 0 (ignored) */ 838 break; 839 case 15: 840 /* SO (shift out), character set 1 (ignored) */ 841 break; 842 case 27: /* esc (introducing an escape sequence) */ 843 s->state = TTY_STATE_ESC; 844 break; 845 default: 846 console_put_one(s, ch); 847 break; 848 } 849 break; 850 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */ 851 if (ch == '[') { 852 for(i=0;i<MAX_ESC_PARAMS;i++) 853 s->esc_params[i] = 0; 854 s->nb_esc_params = 0; 855 s->state = TTY_STATE_CSI; 856 } else { 857 s->state = TTY_STATE_NORM; 858 } 859 break; 860 case TTY_STATE_CSI: /* handle escape sequence parameters */ 861 if (ch >= '0' && ch <= '9') { 862 if (s->nb_esc_params < MAX_ESC_PARAMS) { 863 int *param = &s->esc_params[s->nb_esc_params]; 864 int digit = (ch - '0'); 865 866 *param = (*param <= (INT_MAX - digit) / 10) ? 867 *param * 10 + digit : INT_MAX; 868 } 869 } else { 870 if (s->nb_esc_params < MAX_ESC_PARAMS) 871 s->nb_esc_params++; 872 if (ch == ';') 873 break; 874 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1], 875 ch, s->nb_esc_params); 876 s->state = TTY_STATE_NORM; 877 switch(ch) { 878 case 'A': 879 /* move cursor up */ 880 if (s->esc_params[0] == 0) { 881 s->esc_params[0] = 1; 882 } 883 set_cursor(s, s->x, s->y - s->esc_params[0]); 884 break; 885 case 'B': 886 /* move cursor down */ 887 if (s->esc_params[0] == 0) { 888 s->esc_params[0] = 1; 889 } 890 set_cursor(s, s->x, s->y + s->esc_params[0]); 891 break; 892 case 'C': 893 /* move cursor right */ 894 if (s->esc_params[0] == 0) { 895 s->esc_params[0] = 1; 896 } 897 set_cursor(s, s->x + s->esc_params[0], s->y); 898 break; 899 case 'D': 900 /* move cursor left */ 901 if (s->esc_params[0] == 0) { 902 s->esc_params[0] = 1; 903 } 904 set_cursor(s, s->x - s->esc_params[0], s->y); 905 break; 906 case 'G': 907 /* move cursor to column */ 908 set_cursor(s, s->esc_params[0] - 1, s->y); 909 break; 910 case 'f': 911 case 'H': 912 /* move cursor to row, column */ 913 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1); 914 break; 915 case 'J': 916 switch (s->esc_params[0]) { 917 case 0: 918 /* clear to end of screen */ 919 for (y = s->y; y < s->height; y++) { 920 for (x = 0; x < s->width; x++) { 921 if (y == s->y && x < s->x) { 922 continue; 923 } 924 console_clear_xy(s, x, y); 925 } 926 } 927 break; 928 case 1: 929 /* clear from beginning of screen */ 930 for (y = 0; y <= s->y; y++) { 931 for (x = 0; x < s->width; x++) { 932 if (y == s->y && x > s->x) { 933 break; 934 } 935 console_clear_xy(s, x, y); 936 } 937 } 938 break; 939 case 2: 940 /* clear entire screen */ 941 for (y = 0; y <= s->height; y++) { 942 for (x = 0; x < s->width; x++) { 943 console_clear_xy(s, x, y); 944 } 945 } 946 break; 947 } 948 break; 949 case 'K': 950 switch (s->esc_params[0]) { 951 case 0: 952 /* clear to eol */ 953 for(x = s->x; x < s->width; x++) { 954 console_clear_xy(s, x, s->y); 955 } 956 break; 957 case 1: 958 /* clear from beginning of line */ 959 for (x = 0; x <= s->x; x++) { 960 console_clear_xy(s, x, s->y); 961 } 962 break; 963 case 2: 964 /* clear entire line */ 965 for(x = 0; x < s->width; x++) { 966 console_clear_xy(s, x, s->y); 967 } 968 break; 969 } 970 break; 971 case 'm': 972 console_handle_escape(s); 973 break; 974 case 'n': 975 switch (s->esc_params[0]) { 976 case 5: 977 /* report console status (always succeed)*/ 978 console_respond_str(s, "\033[0n"); 979 break; 980 case 6: 981 /* report cursor position */ 982 sprintf(response, "\033[%d;%dR", 983 (s->y_base + s->y) % s->total_height + 1, 984 s->x + 1); 985 console_respond_str(s, response); 986 break; 987 } 988 break; 989 case 's': 990 /* save cursor position */ 991 s->x_saved = s->x; 992 s->y_saved = s->y; 993 break; 994 case 'u': 995 /* restore cursor position */ 996 s->x = s->x_saved; 997 s->y = s->y_saved; 998 break; 999 default: 1000 trace_console_putchar_unhandled(ch); 1001 break; 1002 } 1003 break; 1004 } 1005 } 1006 } 1007 1008 void console_select(unsigned int index) 1009 { 1010 DisplayChangeListener *dcl; 1011 QemuConsole *s; 1012 1013 trace_console_select(index); 1014 s = qemu_console_lookup_by_index(index); 1015 if (s) { 1016 DisplayState *ds = s->ds; 1017 1018 active_console = s; 1019 if (ds->have_gfx) { 1020 QLIST_FOREACH(dcl, &ds->listeners, next) { 1021 if (dcl->con != NULL) { 1022 continue; 1023 } 1024 if (dcl->ops->dpy_gfx_switch) { 1025 dcl->ops->dpy_gfx_switch(dcl, s->surface); 1026 } 1027 } 1028 dpy_gfx_update(s, 0, 0, surface_width(s->surface), 1029 surface_height(s->surface)); 1030 } 1031 if (ds->have_text) { 1032 dpy_text_resize(s, s->width, s->height); 1033 } 1034 text_console_update_cursor(NULL); 1035 } 1036 } 1037 1038 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len) 1039 { 1040 QemuConsole *s = chr->opaque; 1041 int i; 1042 1043 s->update_x0 = s->width * FONT_WIDTH; 1044 s->update_y0 = s->height * FONT_HEIGHT; 1045 s->update_x1 = 0; 1046 s->update_y1 = 0; 1047 console_show_cursor(s, 0); 1048 for(i = 0; i < len; i++) { 1049 console_putchar(s, buf[i]); 1050 } 1051 console_show_cursor(s, 1); 1052 if (s->ds->have_gfx && s->update_x0 < s->update_x1) { 1053 dpy_gfx_update(s, s->update_x0, s->update_y0, 1054 s->update_x1 - s->update_x0, 1055 s->update_y1 - s->update_y0); 1056 } 1057 return len; 1058 } 1059 1060 static void kbd_send_chars(void *opaque) 1061 { 1062 QemuConsole *s = opaque; 1063 int len; 1064 uint8_t buf[16]; 1065 1066 len = qemu_chr_be_can_write(s->chr); 1067 if (len > s->out_fifo.count) 1068 len = s->out_fifo.count; 1069 if (len > 0) { 1070 if (len > sizeof(buf)) 1071 len = sizeof(buf); 1072 qemu_fifo_read(&s->out_fifo, buf, len); 1073 qemu_chr_be_write(s->chr, buf, len); 1074 } 1075 /* characters are pending: we send them a bit later (XXX: 1076 horrible, should change char device API) */ 1077 if (s->out_fifo.count > 0) { 1078 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1); 1079 } 1080 } 1081 1082 /* called when an ascii key is pressed */ 1083 void kbd_put_keysym_console(QemuConsole *s, int keysym) 1084 { 1085 uint8_t buf[16], *q; 1086 int c; 1087 1088 if (!s || (s->console_type == GRAPHIC_CONSOLE)) 1089 return; 1090 1091 switch(keysym) { 1092 case QEMU_KEY_CTRL_UP: 1093 console_scroll(s, -1); 1094 break; 1095 case QEMU_KEY_CTRL_DOWN: 1096 console_scroll(s, 1); 1097 break; 1098 case QEMU_KEY_CTRL_PAGEUP: 1099 console_scroll(s, -10); 1100 break; 1101 case QEMU_KEY_CTRL_PAGEDOWN: 1102 console_scroll(s, 10); 1103 break; 1104 default: 1105 /* convert the QEMU keysym to VT100 key string */ 1106 q = buf; 1107 if (keysym >= 0xe100 && keysym <= 0xe11f) { 1108 *q++ = '\033'; 1109 *q++ = '['; 1110 c = keysym - 0xe100; 1111 if (c >= 10) 1112 *q++ = '0' + (c / 10); 1113 *q++ = '0' + (c % 10); 1114 *q++ = '~'; 1115 } else if (keysym >= 0xe120 && keysym <= 0xe17f) { 1116 *q++ = '\033'; 1117 *q++ = '['; 1118 *q++ = keysym & 0xff; 1119 } else if (s->echo && (keysym == '\r' || keysym == '\n')) { 1120 console_puts(s->chr, (const uint8_t *) "\r", 1); 1121 *q++ = '\n'; 1122 } else { 1123 *q++ = keysym; 1124 } 1125 if (s->echo) { 1126 console_puts(s->chr, buf, q - buf); 1127 } 1128 if (s->chr->chr_read) { 1129 qemu_fifo_write(&s->out_fifo, buf, q - buf); 1130 kbd_send_chars(s); 1131 } 1132 break; 1133 } 1134 } 1135 1136 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = { 1137 [Q_KEY_CODE_UP] = QEMU_KEY_UP, 1138 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN, 1139 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT, 1140 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT, 1141 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME, 1142 [Q_KEY_CODE_END] = QEMU_KEY_END, 1143 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP, 1144 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN, 1145 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE, 1146 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE, 1147 }; 1148 1149 bool kbd_put_qcode_console(QemuConsole *s, int qcode) 1150 { 1151 int keysym; 1152 1153 keysym = qcode_to_keysym[qcode]; 1154 if (keysym == 0) { 1155 return false; 1156 } 1157 kbd_put_keysym_console(s, keysym); 1158 return true; 1159 } 1160 1161 void kbd_put_string_console(QemuConsole *s, const char *str, int len) 1162 { 1163 int i; 1164 1165 for (i = 0; i < len && str[i]; i++) { 1166 kbd_put_keysym_console(s, str[i]); 1167 } 1168 } 1169 1170 void kbd_put_keysym(int keysym) 1171 { 1172 kbd_put_keysym_console(active_console, keysym); 1173 } 1174 1175 static void text_console_invalidate(void *opaque) 1176 { 1177 QemuConsole *s = (QemuConsole *) opaque; 1178 1179 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) { 1180 text_console_resize(s); 1181 } 1182 console_refresh(s); 1183 } 1184 1185 static void text_console_update(void *opaque, console_ch_t *chardata) 1186 { 1187 QemuConsole *s = (QemuConsole *) opaque; 1188 int i, j, src; 1189 1190 if (s->text_x[0] <= s->text_x[1]) { 1191 src = (s->y_base + s->text_y[0]) * s->width; 1192 chardata += s->text_y[0] * s->width; 1193 for (i = s->text_y[0]; i <= s->text_y[1]; i ++) 1194 for (j = 0; j < s->width; j++, src++) { 1195 console_write_ch(chardata ++, 1196 ATTR2CHTYPE(s->cells[src].ch, 1197 s->cells[src].t_attrib.fgcol, 1198 s->cells[src].t_attrib.bgcol, 1199 s->cells[src].t_attrib.bold)); 1200 } 1201 dpy_text_update(s, s->text_x[0], s->text_y[0], 1202 s->text_x[1] - s->text_x[0], i - s->text_y[0]); 1203 s->text_x[0] = s->width; 1204 s->text_y[0] = s->height; 1205 s->text_x[1] = 0; 1206 s->text_y[1] = 0; 1207 } 1208 if (s->cursor_invalidate) { 1209 dpy_text_cursor(s, s->x, s->y); 1210 s->cursor_invalidate = 0; 1211 } 1212 } 1213 1214 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type, 1215 uint32_t head) 1216 { 1217 Object *obj; 1218 QemuConsole *s; 1219 int i; 1220 1221 obj = object_new(TYPE_QEMU_CONSOLE); 1222 s = QEMU_CONSOLE(obj); 1223 s->head = head; 1224 object_property_add_link(obj, "device", TYPE_DEVICE, 1225 (Object **)&s->device, 1226 object_property_allow_set_link, 1227 OBJ_PROP_LINK_UNREF_ON_RELEASE, 1228 &error_abort); 1229 object_property_add_uint32_ptr(obj, "head", 1230 &s->head, &error_abort); 1231 1232 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) && 1233 (console_type == GRAPHIC_CONSOLE))) { 1234 active_console = s; 1235 } 1236 s->ds = ds; 1237 s->console_type = console_type; 1238 1239 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1)); 1240 if (console_type != GRAPHIC_CONSOLE) { 1241 s->index = nb_consoles; 1242 consoles[nb_consoles++] = s; 1243 } else { 1244 /* HACK: Put graphical consoles before text consoles. */ 1245 for (i = nb_consoles; i > 0; i--) { 1246 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE) 1247 break; 1248 consoles[i] = consoles[i - 1]; 1249 consoles[i]->index = i; 1250 } 1251 s->index = i; 1252 consoles[i] = s; 1253 nb_consoles++; 1254 } 1255 return s; 1256 } 1257 1258 static void qemu_alloc_display(DisplaySurface *surface, int width, int height) 1259 { 1260 qemu_pixman_image_unref(surface->image); 1261 surface->image = NULL; 1262 1263 surface->format = PIXMAN_x8r8g8b8; 1264 surface->image = pixman_image_create_bits(surface->format, 1265 width, height, 1266 NULL, width * 4); 1267 assert(surface->image != NULL); 1268 1269 surface->flags = QEMU_ALLOCATED_FLAG; 1270 } 1271 1272 DisplaySurface *qemu_create_displaysurface(int width, int height) 1273 { 1274 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1275 1276 trace_displaysurface_create(surface, width, height); 1277 qemu_alloc_display(surface, width, height); 1278 return surface; 1279 } 1280 1281 DisplaySurface *qemu_create_displaysurface_from(int width, int height, 1282 pixman_format_code_t format, 1283 int linesize, uint8_t *data) 1284 { 1285 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1286 1287 trace_displaysurface_create_from(surface, width, height, format); 1288 surface->format = format; 1289 surface->image = pixman_image_create_bits(surface->format, 1290 width, height, 1291 (void *)data, linesize); 1292 assert(surface->image != NULL); 1293 1294 return surface; 1295 } 1296 1297 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image) 1298 { 1299 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1300 1301 trace_displaysurface_create_pixman(surface); 1302 surface->format = pixman_image_get_format(image); 1303 surface->image = pixman_image_ref(image); 1304 1305 return surface; 1306 } 1307 1308 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image, 1309 void *unused) 1310 { 1311 void *data = pixman_image_get_data(image); 1312 uint32_t size = pixman_image_get_stride(image) * 1313 pixman_image_get_height(image); 1314 cpu_physical_memory_unmap(data, size, 0, 0); 1315 } 1316 1317 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height, 1318 pixman_format_code_t format, 1319 int linesize, uint64_t addr) 1320 { 1321 DisplaySurface *surface; 1322 hwaddr size; 1323 void *data; 1324 1325 if (linesize == 0) { 1326 linesize = width * PIXMAN_FORMAT_BPP(format) / 8; 1327 } 1328 1329 size = (hwaddr)linesize * height; 1330 data = cpu_physical_memory_map(addr, &size, 0); 1331 if (size != (hwaddr)linesize * height) { 1332 cpu_physical_memory_unmap(data, size, 0, 0); 1333 return NULL; 1334 } 1335 1336 surface = qemu_create_displaysurface_from 1337 (width, height, format, linesize, data); 1338 pixman_image_set_destroy_function 1339 (surface->image, qemu_unmap_displaysurface_guestmem, NULL); 1340 1341 return surface; 1342 } 1343 1344 static DisplaySurface *qemu_create_message_surface(int w, int h, 1345 const char *msg) 1346 { 1347 DisplaySurface *surface = qemu_create_displaysurface(w, h); 1348 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK]; 1349 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE]; 1350 pixman_image_t *glyph; 1351 int len, x, y, i; 1352 1353 len = strlen(msg); 1354 x = (w / FONT_WIDTH - len) / 2; 1355 y = (h / FONT_HEIGHT - 1) / 2; 1356 for (i = 0; i < len; i++) { 1357 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]); 1358 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg, 1359 x+i, y, FONT_WIDTH, FONT_HEIGHT); 1360 qemu_pixman_image_unref(glyph); 1361 } 1362 return surface; 1363 } 1364 1365 void qemu_free_displaysurface(DisplaySurface *surface) 1366 { 1367 if (surface == NULL) { 1368 return; 1369 } 1370 trace_displaysurface_free(surface); 1371 qemu_pixman_image_unref(surface->image); 1372 g_free(surface); 1373 } 1374 1375 bool console_has_gl(QemuConsole *con) 1376 { 1377 return con->gl != NULL; 1378 } 1379 1380 void register_displaychangelistener(DisplayChangeListener *dcl) 1381 { 1382 static const char nodev[] = 1383 "This VM has no graphic display device."; 1384 static DisplaySurface *dummy; 1385 QemuConsole *con; 1386 1387 if (dcl->ops->dpy_gl_ctx_create) { 1388 /* display has opengl support */ 1389 assert(dcl->con); 1390 if (dcl->con->gl) { 1391 fprintf(stderr, "can't register two opengl displays (%s, %s)\n", 1392 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name); 1393 exit(1); 1394 } 1395 dcl->con->gl = dcl; 1396 } 1397 1398 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name); 1399 dcl->ds = get_alloc_displaystate(); 1400 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next); 1401 gui_setup_refresh(dcl->ds); 1402 if (dcl->con) { 1403 dcl->con->dcls++; 1404 con = dcl->con; 1405 } else { 1406 con = active_console; 1407 } 1408 if (dcl->ops->dpy_gfx_switch) { 1409 if (con) { 1410 dcl->ops->dpy_gfx_switch(dcl, con->surface); 1411 } else { 1412 if (!dummy) { 1413 dummy = qemu_create_message_surface(640, 480, nodev); 1414 } 1415 dcl->ops->dpy_gfx_switch(dcl, dummy); 1416 } 1417 } 1418 text_console_update_cursor(NULL); 1419 } 1420 1421 void update_displaychangelistener(DisplayChangeListener *dcl, 1422 uint64_t interval) 1423 { 1424 DisplayState *ds = dcl->ds; 1425 1426 dcl->update_interval = interval; 1427 if (!ds->refreshing && ds->update_interval > interval) { 1428 timer_mod(ds->gui_timer, ds->last_update + interval); 1429 } 1430 } 1431 1432 void unregister_displaychangelistener(DisplayChangeListener *dcl) 1433 { 1434 DisplayState *ds = dcl->ds; 1435 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name); 1436 if (dcl->con) { 1437 dcl->con->dcls--; 1438 } 1439 QLIST_REMOVE(dcl, next); 1440 gui_setup_refresh(ds); 1441 } 1442 1443 static void dpy_set_ui_info_timer(void *opaque) 1444 { 1445 QemuConsole *con = opaque; 1446 1447 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info); 1448 } 1449 1450 bool dpy_ui_info_supported(QemuConsole *con) 1451 { 1452 return con->hw_ops->ui_info != NULL; 1453 } 1454 1455 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info) 1456 { 1457 assert(con != NULL); 1458 1459 if (!dpy_ui_info_supported(con)) { 1460 return -1; 1461 } 1462 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) { 1463 /* nothing changed -- ignore */ 1464 return 0; 1465 } 1466 1467 /* 1468 * Typically we get a flood of these as the user resizes the window. 1469 * Wait until the dust has settled (one second without updates), then 1470 * go notify the guest. 1471 */ 1472 con->ui_info = *info; 1473 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000); 1474 return 0; 1475 } 1476 1477 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h) 1478 { 1479 DisplayState *s = con->ds; 1480 DisplayChangeListener *dcl; 1481 int width = w; 1482 int height = h; 1483 1484 if (con->surface) { 1485 width = surface_width(con->surface); 1486 height = surface_height(con->surface); 1487 } 1488 x = MAX(x, 0); 1489 y = MAX(y, 0); 1490 x = MIN(x, width); 1491 y = MIN(y, height); 1492 w = MIN(w, width - x); 1493 h = MIN(h, height - y); 1494 1495 if (!qemu_console_is_visible(con)) { 1496 return; 1497 } 1498 QLIST_FOREACH(dcl, &s->listeners, next) { 1499 if (con != (dcl->con ? dcl->con : active_console)) { 1500 continue; 1501 } 1502 if (dcl->ops->dpy_gfx_update) { 1503 dcl->ops->dpy_gfx_update(dcl, x, y, w, h); 1504 } 1505 } 1506 } 1507 1508 void dpy_gfx_replace_surface(QemuConsole *con, 1509 DisplaySurface *surface) 1510 { 1511 DisplayState *s = con->ds; 1512 DisplaySurface *old_surface = con->surface; 1513 DisplayChangeListener *dcl; 1514 1515 con->surface = surface; 1516 QLIST_FOREACH(dcl, &s->listeners, next) { 1517 if (con != (dcl->con ? dcl->con : active_console)) { 1518 continue; 1519 } 1520 if (dcl->ops->dpy_gfx_switch) { 1521 dcl->ops->dpy_gfx_switch(dcl, surface); 1522 } 1523 } 1524 qemu_free_displaysurface(old_surface); 1525 } 1526 1527 bool dpy_gfx_check_format(QemuConsole *con, 1528 pixman_format_code_t format) 1529 { 1530 DisplayChangeListener *dcl; 1531 DisplayState *s = con->ds; 1532 1533 QLIST_FOREACH(dcl, &s->listeners, next) { 1534 if (dcl->con && dcl->con != con) { 1535 /* dcl bound to another console -> skip */ 1536 continue; 1537 } 1538 if (dcl->ops->dpy_gfx_check_format) { 1539 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) { 1540 return false; 1541 } 1542 } else { 1543 /* default is to whitelist native 32 bpp only */ 1544 if (format != qemu_default_pixman_format(32, true)) { 1545 return false; 1546 } 1547 } 1548 } 1549 return true; 1550 } 1551 1552 static void dpy_refresh(DisplayState *s) 1553 { 1554 DisplayChangeListener *dcl; 1555 1556 QLIST_FOREACH(dcl, &s->listeners, next) { 1557 if (dcl->ops->dpy_refresh) { 1558 dcl->ops->dpy_refresh(dcl); 1559 } 1560 } 1561 } 1562 1563 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y, 1564 int dst_x, int dst_y, int w, int h) 1565 { 1566 DisplayState *s = con->ds; 1567 DisplayChangeListener *dcl; 1568 1569 if (!qemu_console_is_visible(con)) { 1570 return; 1571 } 1572 QLIST_FOREACH(dcl, &s->listeners, next) { 1573 if (con != (dcl->con ? dcl->con : active_console)) { 1574 continue; 1575 } 1576 if (dcl->ops->dpy_gfx_copy) { 1577 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h); 1578 } else { /* TODO */ 1579 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h); 1580 } 1581 } 1582 } 1583 1584 void dpy_text_cursor(QemuConsole *con, int x, int y) 1585 { 1586 DisplayState *s = con->ds; 1587 DisplayChangeListener *dcl; 1588 1589 if (!qemu_console_is_visible(con)) { 1590 return; 1591 } 1592 QLIST_FOREACH(dcl, &s->listeners, next) { 1593 if (con != (dcl->con ? dcl->con : active_console)) { 1594 continue; 1595 } 1596 if (dcl->ops->dpy_text_cursor) { 1597 dcl->ops->dpy_text_cursor(dcl, x, y); 1598 } 1599 } 1600 } 1601 1602 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h) 1603 { 1604 DisplayState *s = con->ds; 1605 DisplayChangeListener *dcl; 1606 1607 if (!qemu_console_is_visible(con)) { 1608 return; 1609 } 1610 QLIST_FOREACH(dcl, &s->listeners, next) { 1611 if (con != (dcl->con ? dcl->con : active_console)) { 1612 continue; 1613 } 1614 if (dcl->ops->dpy_text_update) { 1615 dcl->ops->dpy_text_update(dcl, x, y, w, h); 1616 } 1617 } 1618 } 1619 1620 void dpy_text_resize(QemuConsole *con, int w, int h) 1621 { 1622 DisplayState *s = con->ds; 1623 DisplayChangeListener *dcl; 1624 1625 if (!qemu_console_is_visible(con)) { 1626 return; 1627 } 1628 QLIST_FOREACH(dcl, &s->listeners, next) { 1629 if (con != (dcl->con ? dcl->con : active_console)) { 1630 continue; 1631 } 1632 if (dcl->ops->dpy_text_resize) { 1633 dcl->ops->dpy_text_resize(dcl, w, h); 1634 } 1635 } 1636 } 1637 1638 void dpy_mouse_set(QemuConsole *con, int x, int y, int on) 1639 { 1640 DisplayState *s = con->ds; 1641 DisplayChangeListener *dcl; 1642 1643 if (!qemu_console_is_visible(con)) { 1644 return; 1645 } 1646 QLIST_FOREACH(dcl, &s->listeners, next) { 1647 if (con != (dcl->con ? dcl->con : active_console)) { 1648 continue; 1649 } 1650 if (dcl->ops->dpy_mouse_set) { 1651 dcl->ops->dpy_mouse_set(dcl, x, y, on); 1652 } 1653 } 1654 } 1655 1656 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor) 1657 { 1658 DisplayState *s = con->ds; 1659 DisplayChangeListener *dcl; 1660 1661 if (!qemu_console_is_visible(con)) { 1662 return; 1663 } 1664 QLIST_FOREACH(dcl, &s->listeners, next) { 1665 if (con != (dcl->con ? dcl->con : active_console)) { 1666 continue; 1667 } 1668 if (dcl->ops->dpy_cursor_define) { 1669 dcl->ops->dpy_cursor_define(dcl, cursor); 1670 } 1671 } 1672 } 1673 1674 bool dpy_cursor_define_supported(QemuConsole *con) 1675 { 1676 DisplayState *s = con->ds; 1677 DisplayChangeListener *dcl; 1678 1679 QLIST_FOREACH(dcl, &s->listeners, next) { 1680 if (dcl->ops->dpy_cursor_define) { 1681 return true; 1682 } 1683 } 1684 return false; 1685 } 1686 1687 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con, 1688 struct QEMUGLParams *qparams) 1689 { 1690 assert(con->gl); 1691 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams); 1692 } 1693 1694 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx) 1695 { 1696 assert(con->gl); 1697 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx); 1698 } 1699 1700 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx) 1701 { 1702 assert(con->gl); 1703 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx); 1704 } 1705 1706 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con) 1707 { 1708 assert(con->gl); 1709 return con->gl->ops->dpy_gl_ctx_get_current(con->gl); 1710 } 1711 1712 void dpy_gl_scanout(QemuConsole *con, 1713 uint32_t backing_id, bool backing_y_0_top, 1714 uint32_t backing_width, uint32_t backing_height, 1715 uint32_t x, uint32_t y, uint32_t width, uint32_t height) 1716 { 1717 assert(con->gl); 1718 con->gl->ops->dpy_gl_scanout(con->gl, backing_id, 1719 backing_y_0_top, 1720 backing_width, backing_height, 1721 x, y, width, height); 1722 } 1723 1724 void dpy_gl_update(QemuConsole *con, 1725 uint32_t x, uint32_t y, uint32_t w, uint32_t h) 1726 { 1727 assert(con->gl); 1728 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h); 1729 } 1730 1731 /***********************************************************/ 1732 /* register display */ 1733 1734 /* console.c internal use only */ 1735 static DisplayState *get_alloc_displaystate(void) 1736 { 1737 if (!display_state) { 1738 display_state = g_new0(DisplayState, 1); 1739 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME, 1740 text_console_update_cursor, NULL); 1741 } 1742 return display_state; 1743 } 1744 1745 /* 1746 * Called by main(), after creating QemuConsoles 1747 * and before initializing ui (sdl/vnc/...). 1748 */ 1749 DisplayState *init_displaystate(void) 1750 { 1751 gchar *name; 1752 int i; 1753 1754 get_alloc_displaystate(); 1755 for (i = 0; i < nb_consoles; i++) { 1756 if (consoles[i]->console_type != GRAPHIC_CONSOLE && 1757 consoles[i]->ds == NULL) { 1758 text_console_do_init(consoles[i]->chr, display_state); 1759 } 1760 1761 /* Hook up into the qom tree here (not in new_console()), once 1762 * all QemuConsoles are created and the order / numbering 1763 * doesn't change any more */ 1764 name = g_strdup_printf("console[%d]", i); 1765 object_property_add_child(container_get(object_get_root(), "/backend"), 1766 name, OBJECT(consoles[i]), &error_abort); 1767 g_free(name); 1768 } 1769 1770 return display_state; 1771 } 1772 1773 void graphic_console_set_hwops(QemuConsole *con, 1774 const GraphicHwOps *hw_ops, 1775 void *opaque) 1776 { 1777 con->hw_ops = hw_ops; 1778 con->hw = opaque; 1779 } 1780 1781 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head, 1782 const GraphicHwOps *hw_ops, 1783 void *opaque) 1784 { 1785 static const char noinit[] = 1786 "Guest has not initialized the display (yet)."; 1787 int width = 640; 1788 int height = 480; 1789 QemuConsole *s; 1790 DisplayState *ds; 1791 1792 ds = get_alloc_displaystate(); 1793 trace_console_gfx_new(); 1794 s = new_console(ds, GRAPHIC_CONSOLE, head); 1795 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s); 1796 graphic_console_set_hwops(s, hw_ops, opaque); 1797 if (dev) { 1798 object_property_set_link(OBJECT(s), OBJECT(dev), "device", 1799 &error_abort); 1800 } 1801 1802 s->surface = qemu_create_message_surface(width, height, noinit); 1803 return s; 1804 } 1805 1806 QemuConsole *qemu_console_lookup_by_index(unsigned int index) 1807 { 1808 if (index >= nb_consoles) { 1809 return NULL; 1810 } 1811 return consoles[index]; 1812 } 1813 1814 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head) 1815 { 1816 Object *obj; 1817 uint32_t h; 1818 int i; 1819 1820 for (i = 0; i < nb_consoles; i++) { 1821 if (!consoles[i]) { 1822 continue; 1823 } 1824 obj = object_property_get_link(OBJECT(consoles[i]), 1825 "device", &error_abort); 1826 if (DEVICE(obj) != dev) { 1827 continue; 1828 } 1829 h = object_property_get_int(OBJECT(consoles[i]), 1830 "head", &error_abort); 1831 if (h != head) { 1832 continue; 1833 } 1834 return consoles[i]; 1835 } 1836 return NULL; 1837 } 1838 1839 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id, 1840 uint32_t head, Error **errp) 1841 { 1842 DeviceState *dev; 1843 QemuConsole *con; 1844 1845 dev = qdev_find_recursive(sysbus_get_default(), device_id); 1846 if (dev == NULL) { 1847 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, 1848 "Device '%s' not found", device_id); 1849 return NULL; 1850 } 1851 1852 con = qemu_console_lookup_by_device(dev, head); 1853 if (con == NULL) { 1854 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole", 1855 device_id, head); 1856 return NULL; 1857 } 1858 1859 return con; 1860 } 1861 1862 bool qemu_console_is_visible(QemuConsole *con) 1863 { 1864 return (con == active_console) || (con->dcls > 0); 1865 } 1866 1867 bool qemu_console_is_graphic(QemuConsole *con) 1868 { 1869 if (con == NULL) { 1870 con = active_console; 1871 } 1872 return con && (con->console_type == GRAPHIC_CONSOLE); 1873 } 1874 1875 bool qemu_console_is_fixedsize(QemuConsole *con) 1876 { 1877 if (con == NULL) { 1878 con = active_console; 1879 } 1880 return con && (con->console_type != TEXT_CONSOLE); 1881 } 1882 1883 bool qemu_console_is_gl_blocked(QemuConsole *con) 1884 { 1885 assert(con != NULL); 1886 return con->gl_block; 1887 } 1888 1889 char *qemu_console_get_label(QemuConsole *con) 1890 { 1891 if (con->console_type == GRAPHIC_CONSOLE) { 1892 if (con->device) { 1893 return g_strdup(object_get_typename(con->device)); 1894 } 1895 return g_strdup("VGA"); 1896 } else { 1897 if (con->chr && con->chr->label) { 1898 return g_strdup(con->chr->label); 1899 } 1900 return g_strdup_printf("vc%d", con->index); 1901 } 1902 } 1903 1904 int qemu_console_get_index(QemuConsole *con) 1905 { 1906 if (con == NULL) { 1907 con = active_console; 1908 } 1909 return con ? con->index : -1; 1910 } 1911 1912 uint32_t qemu_console_get_head(QemuConsole *con) 1913 { 1914 if (con == NULL) { 1915 con = active_console; 1916 } 1917 return con ? con->head : -1; 1918 } 1919 1920 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con) 1921 { 1922 assert(con != NULL); 1923 return &con->ui_info; 1924 } 1925 1926 int qemu_console_get_width(QemuConsole *con, int fallback) 1927 { 1928 if (con == NULL) { 1929 con = active_console; 1930 } 1931 return con ? surface_width(con->surface) : fallback; 1932 } 1933 1934 int qemu_console_get_height(QemuConsole *con, int fallback) 1935 { 1936 if (con == NULL) { 1937 con = active_console; 1938 } 1939 return con ? surface_height(con->surface) : fallback; 1940 } 1941 1942 static void text_console_set_echo(CharDriverState *chr, bool echo) 1943 { 1944 QemuConsole *s = chr->opaque; 1945 1946 s->echo = echo; 1947 } 1948 1949 static void text_console_update_cursor_timer(void) 1950 { 1951 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) 1952 + CONSOLE_CURSOR_PERIOD / 2); 1953 } 1954 1955 static void text_console_update_cursor(void *opaque) 1956 { 1957 QemuConsole *s; 1958 int i, count = 0; 1959 1960 cursor_visible_phase = !cursor_visible_phase; 1961 1962 for (i = 0; i < nb_consoles; i++) { 1963 s = consoles[i]; 1964 if (qemu_console_is_graphic(s) || 1965 !qemu_console_is_visible(s)) { 1966 continue; 1967 } 1968 count++; 1969 graphic_hw_invalidate(s); 1970 } 1971 1972 if (count) { 1973 text_console_update_cursor_timer(); 1974 } 1975 } 1976 1977 static const GraphicHwOps text_console_ops = { 1978 .invalidate = text_console_invalidate, 1979 .text_update = text_console_update, 1980 }; 1981 1982 static void text_console_do_init(CharDriverState *chr, DisplayState *ds) 1983 { 1984 QemuConsole *s; 1985 int g_width = 80 * FONT_WIDTH; 1986 int g_height = 24 * FONT_HEIGHT; 1987 1988 s = chr->opaque; 1989 1990 chr->chr_write = console_puts; 1991 1992 s->out_fifo.buf = s->out_fifo_buf; 1993 s->out_fifo.buf_size = sizeof(s->out_fifo_buf); 1994 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s); 1995 s->ds = ds; 1996 1997 s->y_displayed = 0; 1998 s->y_base = 0; 1999 s->total_height = DEFAULT_BACKSCROLL; 2000 s->x = 0; 2001 s->y = 0; 2002 if (!s->surface) { 2003 if (active_console && active_console->surface) { 2004 g_width = surface_width(active_console->surface); 2005 g_height = surface_height(active_console->surface); 2006 } 2007 s->surface = qemu_create_displaysurface(g_width, g_height); 2008 } 2009 2010 s->hw_ops = &text_console_ops; 2011 s->hw = s; 2012 2013 /* Set text attribute defaults */ 2014 s->t_attrib_default.bold = 0; 2015 s->t_attrib_default.uline = 0; 2016 s->t_attrib_default.blink = 0; 2017 s->t_attrib_default.invers = 0; 2018 s->t_attrib_default.unvisible = 0; 2019 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE; 2020 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK; 2021 /* set current text attributes to default */ 2022 s->t_attrib = s->t_attrib_default; 2023 text_console_resize(s); 2024 2025 if (chr->label) { 2026 char msg[128]; 2027 int len; 2028 2029 s->t_attrib.bgcol = QEMU_COLOR_BLUE; 2030 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label); 2031 console_puts(chr, (uint8_t*)msg, len); 2032 s->t_attrib = s->t_attrib_default; 2033 } 2034 2035 qemu_chr_be_generic_open(chr); 2036 if (chr->init) 2037 chr->init(chr); 2038 } 2039 2040 static CharDriverState *text_console_init(ChardevVC *vc, Error **errp) 2041 { 2042 ChardevCommon *common = qapi_ChardevVC_base(vc); 2043 CharDriverState *chr; 2044 QemuConsole *s; 2045 unsigned width = 0; 2046 unsigned height = 0; 2047 2048 chr = qemu_chr_alloc(common, errp); 2049 if (!chr) { 2050 return NULL; 2051 } 2052 2053 if (vc->has_width) { 2054 width = vc->width; 2055 } else if (vc->has_cols) { 2056 width = vc->cols * FONT_WIDTH; 2057 } 2058 2059 if (vc->has_height) { 2060 height = vc->height; 2061 } else if (vc->has_rows) { 2062 height = vc->rows * FONT_HEIGHT; 2063 } 2064 2065 trace_console_txt_new(width, height); 2066 if (width == 0 || height == 0) { 2067 s = new_console(NULL, TEXT_CONSOLE, 0); 2068 } else { 2069 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0); 2070 s->surface = qemu_create_displaysurface(width, height); 2071 } 2072 2073 if (!s) { 2074 g_free(chr); 2075 error_setg(errp, "cannot create text console"); 2076 return NULL; 2077 } 2078 2079 s->chr = chr; 2080 chr->opaque = s; 2081 chr->chr_set_echo = text_console_set_echo; 2082 /* console/chardev init sometimes completes elsewhere in a 2nd 2083 * stage, so defer OPENED events until they are fully initialized 2084 */ 2085 chr->explicit_be_open = true; 2086 2087 if (display_state) { 2088 text_console_do_init(chr, display_state); 2089 } 2090 return chr; 2091 } 2092 2093 static VcHandler *vc_handler = text_console_init; 2094 2095 static CharDriverState *vc_init(const char *id, ChardevBackend *backend, 2096 ChardevReturn *ret, Error **errp) 2097 { 2098 return vc_handler(backend->u.vc.data, errp); 2099 } 2100 2101 void register_vc_handler(VcHandler *handler) 2102 { 2103 vc_handler = handler; 2104 } 2105 2106 void qemu_console_resize(QemuConsole *s, int width, int height) 2107 { 2108 DisplaySurface *surface; 2109 2110 assert(s->console_type == GRAPHIC_CONSOLE); 2111 2112 if (s->surface && 2113 pixman_image_get_width(s->surface->image) == width && 2114 pixman_image_get_height(s->surface->image) == height) { 2115 return; 2116 } 2117 2118 surface = qemu_create_displaysurface(width, height); 2119 dpy_gfx_replace_surface(s, surface); 2120 } 2121 2122 void qemu_console_copy(QemuConsole *con, int src_x, int src_y, 2123 int dst_x, int dst_y, int w, int h) 2124 { 2125 assert(con->console_type == GRAPHIC_CONSOLE); 2126 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h); 2127 } 2128 2129 DisplaySurface *qemu_console_surface(QemuConsole *console) 2130 { 2131 return console->surface; 2132 } 2133 2134 PixelFormat qemu_default_pixelformat(int bpp) 2135 { 2136 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true); 2137 PixelFormat pf = qemu_pixelformat_from_pixman(fmt); 2138 return pf; 2139 } 2140 2141 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, 2142 Error **errp) 2143 { 2144 int val; 2145 ChardevVC *vc; 2146 2147 vc = backend->u.vc.data = g_new0(ChardevVC, 1); 2148 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc)); 2149 2150 val = qemu_opt_get_number(opts, "width", 0); 2151 if (val != 0) { 2152 vc->has_width = true; 2153 vc->width = val; 2154 } 2155 2156 val = qemu_opt_get_number(opts, "height", 0); 2157 if (val != 0) { 2158 vc->has_height = true; 2159 vc->height = val; 2160 } 2161 2162 val = qemu_opt_get_number(opts, "cols", 0); 2163 if (val != 0) { 2164 vc->has_cols = true; 2165 vc->cols = val; 2166 } 2167 2168 val = qemu_opt_get_number(opts, "rows", 0); 2169 if (val != 0) { 2170 vc->has_rows = true; 2171 vc->rows = val; 2172 } 2173 } 2174 2175 static const TypeInfo qemu_console_info = { 2176 .name = TYPE_QEMU_CONSOLE, 2177 .parent = TYPE_OBJECT, 2178 .instance_size = sizeof(QemuConsole), 2179 .class_size = sizeof(QemuConsoleClass), 2180 }; 2181 2182 2183 static void register_types(void) 2184 { 2185 type_register_static(&qemu_console_info); 2186 register_char_driver("vc", CHARDEV_BACKEND_KIND_VC, qemu_chr_parse_vc, 2187 vc_init); 2188 } 2189 2190 type_init(register_types); 2191