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 int window_id; 128 129 /* Graphic console state. */ 130 Object *device; 131 uint32_t head; 132 QemuUIInfo ui_info; 133 QEMUTimer *ui_timer; 134 const GraphicHwOps *hw_ops; 135 void *hw; 136 137 /* Text console state */ 138 int width; 139 int height; 140 int total_height; 141 int backscroll_height; 142 int x, y; 143 int x_saved, y_saved; 144 int y_displayed; 145 int y_base; 146 TextAttributes t_attrib_default; /* default text attributes */ 147 TextAttributes t_attrib; /* currently active text attributes */ 148 TextCell *cells; 149 int text_x[2], text_y[2], cursor_invalidate; 150 int echo; 151 152 int update_x0; 153 int update_y0; 154 int update_x1; 155 int update_y1; 156 157 enum TTYState state; 158 int esc_params[MAX_ESC_PARAMS]; 159 int nb_esc_params; 160 161 CharDriverState *chr; 162 /* fifo for key pressed */ 163 QEMUFIFO out_fifo; 164 uint8_t out_fifo_buf[16]; 165 QEMUTimer *kbd_timer; 166 }; 167 168 struct DisplayState { 169 QEMUTimer *gui_timer; 170 uint64_t last_update; 171 uint64_t update_interval; 172 bool refreshing; 173 bool have_gfx; 174 bool have_text; 175 176 QLIST_HEAD(, DisplayChangeListener) listeners; 177 }; 178 179 static DisplayState *display_state; 180 static QemuConsole *active_console; 181 static QemuConsole **consoles; 182 static int nb_consoles = 0; 183 static bool cursor_visible_phase; 184 static QEMUTimer *cursor_timer; 185 186 static void text_console_do_init(CharDriverState *chr, DisplayState *ds); 187 static void dpy_refresh(DisplayState *s); 188 static DisplayState *get_alloc_displaystate(void); 189 static void text_console_update_cursor_timer(void); 190 static void text_console_update_cursor(void *opaque); 191 192 static void gui_update(void *opaque) 193 { 194 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE; 195 uint64_t dcl_interval; 196 DisplayState *ds = opaque; 197 DisplayChangeListener *dcl; 198 int i; 199 200 ds->refreshing = true; 201 dpy_refresh(ds); 202 ds->refreshing = false; 203 204 QLIST_FOREACH(dcl, &ds->listeners, next) { 205 dcl_interval = dcl->update_interval ? 206 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT; 207 if (interval > dcl_interval) { 208 interval = dcl_interval; 209 } 210 } 211 if (ds->update_interval != interval) { 212 ds->update_interval = interval; 213 for (i = 0; i < nb_consoles; i++) { 214 if (consoles[i]->hw_ops->update_interval) { 215 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval); 216 } 217 } 218 trace_console_refresh(interval); 219 } 220 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME); 221 timer_mod(ds->gui_timer, ds->last_update + interval); 222 } 223 224 static void gui_setup_refresh(DisplayState *ds) 225 { 226 DisplayChangeListener *dcl; 227 bool need_timer = false; 228 bool have_gfx = false; 229 bool have_text = false; 230 231 QLIST_FOREACH(dcl, &ds->listeners, next) { 232 if (dcl->ops->dpy_refresh != NULL) { 233 need_timer = true; 234 } 235 if (dcl->ops->dpy_gfx_update != NULL) { 236 have_gfx = true; 237 } 238 if (dcl->ops->dpy_text_update != NULL) { 239 have_text = true; 240 } 241 } 242 243 if (need_timer && ds->gui_timer == NULL) { 244 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds); 245 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)); 246 } 247 if (!need_timer && ds->gui_timer != NULL) { 248 timer_del(ds->gui_timer); 249 timer_free(ds->gui_timer); 250 ds->gui_timer = NULL; 251 } 252 253 ds->have_gfx = have_gfx; 254 ds->have_text = have_text; 255 } 256 257 void graphic_hw_update(QemuConsole *con) 258 { 259 if (!con) { 260 con = active_console; 261 } 262 if (con && con->hw_ops->gfx_update) { 263 con->hw_ops->gfx_update(con->hw); 264 } 265 } 266 267 void graphic_hw_gl_block(QemuConsole *con, bool block) 268 { 269 assert(con != NULL); 270 271 con->gl_block = block; 272 if (con->hw_ops->gl_block) { 273 con->hw_ops->gl_block(con->hw, block); 274 } 275 } 276 277 int qemu_console_get_window_id(QemuConsole *con) 278 { 279 return con->window_id; 280 } 281 282 void qemu_console_set_window_id(QemuConsole *con, int window_id) 283 { 284 con->window_id = window_id; 285 } 286 287 void graphic_hw_invalidate(QemuConsole *con) 288 { 289 if (!con) { 290 con = active_console; 291 } 292 if (con && con->hw_ops->invalidate) { 293 con->hw_ops->invalidate(con->hw); 294 } 295 } 296 297 static void ppm_save(const char *filename, DisplaySurface *ds, 298 Error **errp) 299 { 300 int width = pixman_image_get_width(ds->image); 301 int height = pixman_image_get_height(ds->image); 302 int fd; 303 FILE *f; 304 int y; 305 int ret; 306 pixman_image_t *linebuf; 307 308 trace_ppm_save(filename, ds); 309 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666); 310 if (fd == -1) { 311 error_setg(errp, "failed to open file '%s': %s", filename, 312 strerror(errno)); 313 return; 314 } 315 f = fdopen(fd, "wb"); 316 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255); 317 if (ret < 0) { 318 linebuf = NULL; 319 goto write_err; 320 } 321 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width); 322 for (y = 0; y < height; y++) { 323 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y); 324 clearerr(f); 325 ret = fwrite(pixman_image_get_data(linebuf), 1, 326 pixman_image_get_stride(linebuf), f); 327 (void)ret; 328 if (ferror(f)) { 329 goto write_err; 330 } 331 } 332 333 out: 334 qemu_pixman_image_unref(linebuf); 335 fclose(f); 336 return; 337 338 write_err: 339 error_setg(errp, "failed to write to file '%s': %s", filename, 340 strerror(errno)); 341 unlink(filename); 342 goto out; 343 } 344 345 void qmp_screendump(const char *filename, Error **errp) 346 { 347 QemuConsole *con = qemu_console_lookup_by_index(0); 348 DisplaySurface *surface; 349 350 if (con == NULL) { 351 error_setg(errp, "There is no QemuConsole I can screendump from."); 352 return; 353 } 354 355 graphic_hw_update(con); 356 surface = qemu_console_surface(con); 357 ppm_save(filename, surface, errp); 358 } 359 360 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata) 361 { 362 if (!con) { 363 con = active_console; 364 } 365 if (con && con->hw_ops->text_update) { 366 con->hw_ops->text_update(con->hw, chardata); 367 } 368 } 369 370 static void vga_fill_rect(QemuConsole *con, 371 int posx, int posy, int width, int height, 372 pixman_color_t color) 373 { 374 DisplaySurface *surface = qemu_console_surface(con); 375 pixman_rectangle16_t rect = { 376 .x = posx, .y = posy, .width = width, .height = height 377 }; 378 379 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image, 380 &color, 1, &rect); 381 } 382 383 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */ 384 static void vga_bitblt(QemuConsole *con, 385 int xs, int ys, int xd, int yd, int w, int h) 386 { 387 DisplaySurface *surface = qemu_console_surface(con); 388 389 pixman_image_composite(PIXMAN_OP_SRC, 390 surface->image, NULL, surface->image, 391 xs, ys, 0, 0, xd, yd, w, h); 392 } 393 394 /***********************************************************/ 395 /* basic char display */ 396 397 #define FONT_HEIGHT 16 398 #define FONT_WIDTH 8 399 400 #include "vgafont.h" 401 402 #define QEMU_RGB(r, g, b) \ 403 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff } 404 405 static const pixman_color_t color_table_rgb[2][8] = { 406 { /* dark */ 407 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */ 408 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */ 409 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */ 410 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */ 411 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */ 412 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */ 413 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */ 414 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */ 415 }, 416 { /* bright */ 417 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */ 418 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */ 419 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */ 420 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */ 421 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */ 422 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */ 423 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */ 424 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */ 425 } 426 }; 427 428 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch, 429 TextAttributes *t_attrib) 430 { 431 static pixman_image_t *glyphs[256]; 432 DisplaySurface *surface = qemu_console_surface(s); 433 pixman_color_t fgcol, bgcol; 434 435 if (t_attrib->invers) { 436 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol]; 437 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol]; 438 } else { 439 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol]; 440 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol]; 441 } 442 443 if (!glyphs[ch]) { 444 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch); 445 } 446 qemu_pixman_glyph_render(glyphs[ch], surface->image, 447 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT); 448 } 449 450 static void text_console_resize(QemuConsole *s) 451 { 452 TextCell *cells, *c, *c1; 453 int w1, x, y, last_width; 454 455 last_width = s->width; 456 s->width = surface_width(s->surface) / FONT_WIDTH; 457 s->height = surface_height(s->surface) / FONT_HEIGHT; 458 459 w1 = last_width; 460 if (s->width < w1) 461 w1 = s->width; 462 463 cells = g_new(TextCell, s->width * s->total_height); 464 for(y = 0; y < s->total_height; y++) { 465 c = &cells[y * s->width]; 466 if (w1 > 0) { 467 c1 = &s->cells[y * last_width]; 468 for(x = 0; x < w1; x++) { 469 *c++ = *c1++; 470 } 471 } 472 for(x = w1; x < s->width; x++) { 473 c->ch = ' '; 474 c->t_attrib = s->t_attrib_default; 475 c++; 476 } 477 } 478 g_free(s->cells); 479 s->cells = cells; 480 } 481 482 static inline void text_update_xy(QemuConsole *s, int x, int y) 483 { 484 s->text_x[0] = MIN(s->text_x[0], x); 485 s->text_x[1] = MAX(s->text_x[1], x); 486 s->text_y[0] = MIN(s->text_y[0], y); 487 s->text_y[1] = MAX(s->text_y[1], y); 488 } 489 490 static void invalidate_xy(QemuConsole *s, int x, int y) 491 { 492 if (!qemu_console_is_visible(s)) { 493 return; 494 } 495 if (s->update_x0 > x * FONT_WIDTH) 496 s->update_x0 = x * FONT_WIDTH; 497 if (s->update_y0 > y * FONT_HEIGHT) 498 s->update_y0 = y * FONT_HEIGHT; 499 if (s->update_x1 < (x + 1) * FONT_WIDTH) 500 s->update_x1 = (x + 1) * FONT_WIDTH; 501 if (s->update_y1 < (y + 1) * FONT_HEIGHT) 502 s->update_y1 = (y + 1) * FONT_HEIGHT; 503 } 504 505 static void update_xy(QemuConsole *s, int x, int y) 506 { 507 TextCell *c; 508 int y1, y2; 509 510 if (s->ds->have_text) { 511 text_update_xy(s, x, y); 512 } 513 514 y1 = (s->y_base + y) % s->total_height; 515 y2 = y1 - s->y_displayed; 516 if (y2 < 0) { 517 y2 += s->total_height; 518 } 519 if (y2 < s->height) { 520 c = &s->cells[y1 * s->width + x]; 521 vga_putcharxy(s, x, y2, c->ch, 522 &(c->t_attrib)); 523 invalidate_xy(s, x, y2); 524 } 525 } 526 527 static void console_show_cursor(QemuConsole *s, int show) 528 { 529 TextCell *c; 530 int y, y1; 531 int x = s->x; 532 533 if (s->ds->have_text) { 534 s->cursor_invalidate = 1; 535 } 536 537 if (x >= s->width) { 538 x = s->width - 1; 539 } 540 y1 = (s->y_base + s->y) % s->total_height; 541 y = y1 - s->y_displayed; 542 if (y < 0) { 543 y += s->total_height; 544 } 545 if (y < s->height) { 546 c = &s->cells[y1 * s->width + x]; 547 if (show && cursor_visible_phase) { 548 TextAttributes t_attrib = s->t_attrib_default; 549 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */ 550 vga_putcharxy(s, x, y, c->ch, &t_attrib); 551 } else { 552 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib)); 553 } 554 invalidate_xy(s, x, y); 555 } 556 } 557 558 static void console_refresh(QemuConsole *s) 559 { 560 DisplaySurface *surface = qemu_console_surface(s); 561 TextCell *c; 562 int x, y, y1; 563 564 if (s->ds->have_text) { 565 s->text_x[0] = 0; 566 s->text_y[0] = 0; 567 s->text_x[1] = s->width - 1; 568 s->text_y[1] = s->height - 1; 569 s->cursor_invalidate = 1; 570 } 571 572 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface), 573 color_table_rgb[0][QEMU_COLOR_BLACK]); 574 y1 = s->y_displayed; 575 for (y = 0; y < s->height; y++) { 576 c = s->cells + y1 * s->width; 577 for (x = 0; x < s->width; x++) { 578 vga_putcharxy(s, x, y, c->ch, 579 &(c->t_attrib)); 580 c++; 581 } 582 if (++y1 == s->total_height) { 583 y1 = 0; 584 } 585 } 586 console_show_cursor(s, 1); 587 dpy_gfx_update(s, 0, 0, 588 surface_width(surface), surface_height(surface)); 589 } 590 591 static void console_scroll(QemuConsole *s, int ydelta) 592 { 593 int i, y1; 594 595 if (ydelta > 0) { 596 for(i = 0; i < ydelta; i++) { 597 if (s->y_displayed == s->y_base) 598 break; 599 if (++s->y_displayed == s->total_height) 600 s->y_displayed = 0; 601 } 602 } else { 603 ydelta = -ydelta; 604 i = s->backscroll_height; 605 if (i > s->total_height - s->height) 606 i = s->total_height - s->height; 607 y1 = s->y_base - i; 608 if (y1 < 0) 609 y1 += s->total_height; 610 for(i = 0; i < ydelta; i++) { 611 if (s->y_displayed == y1) 612 break; 613 if (--s->y_displayed < 0) 614 s->y_displayed = s->total_height - 1; 615 } 616 } 617 console_refresh(s); 618 } 619 620 static void console_put_lf(QemuConsole *s) 621 { 622 TextCell *c; 623 int x, y1; 624 625 s->y++; 626 if (s->y >= s->height) { 627 s->y = s->height - 1; 628 629 if (s->y_displayed == s->y_base) { 630 if (++s->y_displayed == s->total_height) 631 s->y_displayed = 0; 632 } 633 if (++s->y_base == s->total_height) 634 s->y_base = 0; 635 if (s->backscroll_height < s->total_height) 636 s->backscroll_height++; 637 y1 = (s->y_base + s->height - 1) % s->total_height; 638 c = &s->cells[y1 * s->width]; 639 for(x = 0; x < s->width; x++) { 640 c->ch = ' '; 641 c->t_attrib = s->t_attrib_default; 642 c++; 643 } 644 if (s->y_displayed == s->y_base) { 645 if (s->ds->have_text) { 646 s->text_x[0] = 0; 647 s->text_y[0] = 0; 648 s->text_x[1] = s->width - 1; 649 s->text_y[1] = s->height - 1; 650 } 651 652 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 /* Set console attributes depending on the current escape codes. 667 * NOTE: I know this code is not very efficient (checking every color for it 668 * self) but it is more readable and better maintainable. 669 */ 670 static void console_handle_escape(QemuConsole *s) 671 { 672 int i; 673 674 for (i=0; i<s->nb_esc_params; i++) { 675 switch (s->esc_params[i]) { 676 case 0: /* reset all console attributes to default */ 677 s->t_attrib = s->t_attrib_default; 678 break; 679 case 1: 680 s->t_attrib.bold = 1; 681 break; 682 case 4: 683 s->t_attrib.uline = 1; 684 break; 685 case 5: 686 s->t_attrib.blink = 1; 687 break; 688 case 7: 689 s->t_attrib.invers = 1; 690 break; 691 case 8: 692 s->t_attrib.unvisible = 1; 693 break; 694 case 22: 695 s->t_attrib.bold = 0; 696 break; 697 case 24: 698 s->t_attrib.uline = 0; 699 break; 700 case 25: 701 s->t_attrib.blink = 0; 702 break; 703 case 27: 704 s->t_attrib.invers = 0; 705 break; 706 case 28: 707 s->t_attrib.unvisible = 0; 708 break; 709 /* set foreground color */ 710 case 30: 711 s->t_attrib.fgcol = QEMU_COLOR_BLACK; 712 break; 713 case 31: 714 s->t_attrib.fgcol = QEMU_COLOR_RED; 715 break; 716 case 32: 717 s->t_attrib.fgcol = QEMU_COLOR_GREEN; 718 break; 719 case 33: 720 s->t_attrib.fgcol = QEMU_COLOR_YELLOW; 721 break; 722 case 34: 723 s->t_attrib.fgcol = QEMU_COLOR_BLUE; 724 break; 725 case 35: 726 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA; 727 break; 728 case 36: 729 s->t_attrib.fgcol = QEMU_COLOR_CYAN; 730 break; 731 case 37: 732 s->t_attrib.fgcol = QEMU_COLOR_WHITE; 733 break; 734 /* set background color */ 735 case 40: 736 s->t_attrib.bgcol = QEMU_COLOR_BLACK; 737 break; 738 case 41: 739 s->t_attrib.bgcol = QEMU_COLOR_RED; 740 break; 741 case 42: 742 s->t_attrib.bgcol = QEMU_COLOR_GREEN; 743 break; 744 case 43: 745 s->t_attrib.bgcol = QEMU_COLOR_YELLOW; 746 break; 747 case 44: 748 s->t_attrib.bgcol = QEMU_COLOR_BLUE; 749 break; 750 case 45: 751 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA; 752 break; 753 case 46: 754 s->t_attrib.bgcol = QEMU_COLOR_CYAN; 755 break; 756 case 47: 757 s->t_attrib.bgcol = QEMU_COLOR_WHITE; 758 break; 759 } 760 } 761 } 762 763 static void console_clear_xy(QemuConsole *s, int x, int y) 764 { 765 int y1 = (s->y_base + y) % s->total_height; 766 TextCell *c = &s->cells[y1 * s->width + x]; 767 c->ch = ' '; 768 c->t_attrib = s->t_attrib_default; 769 update_xy(s, x, y); 770 } 771 772 static void console_put_one(QemuConsole *s, int ch) 773 { 774 TextCell *c; 775 int y1; 776 if (s->x >= s->width) { 777 /* line wrap */ 778 s->x = 0; 779 console_put_lf(s); 780 } 781 y1 = (s->y_base + s->y) % s->total_height; 782 c = &s->cells[y1 * s->width + s->x]; 783 c->ch = ch; 784 c->t_attrib = s->t_attrib; 785 update_xy(s, s->x, s->y); 786 s->x++; 787 } 788 789 static void console_respond_str(QemuConsole *s, const char *buf) 790 { 791 while (*buf) { 792 console_put_one(s, *buf); 793 buf++; 794 } 795 } 796 797 /* set cursor, checking bounds */ 798 static void set_cursor(QemuConsole *s, int x, int y) 799 { 800 if (x < 0) { 801 x = 0; 802 } 803 if (y < 0) { 804 y = 0; 805 } 806 if (y >= s->height) { 807 y = s->height - 1; 808 } 809 if (x >= s->width) { 810 x = s->width - 1; 811 } 812 813 s->x = x; 814 s->y = y; 815 } 816 817 static void console_putchar(QemuConsole *s, int ch) 818 { 819 int i; 820 int x, y; 821 char response[40]; 822 823 switch(s->state) { 824 case TTY_STATE_NORM: 825 switch(ch) { 826 case '\r': /* carriage return */ 827 s->x = 0; 828 break; 829 case '\n': /* newline */ 830 console_put_lf(s); 831 break; 832 case '\b': /* backspace */ 833 if (s->x > 0) 834 s->x--; 835 break; 836 case '\t': /* tabspace */ 837 if (s->x + (8 - (s->x % 8)) > s->width) { 838 s->x = 0; 839 console_put_lf(s); 840 } else { 841 s->x = s->x + (8 - (s->x % 8)); 842 } 843 break; 844 case '\a': /* alert aka. bell */ 845 /* TODO: has to be implemented */ 846 break; 847 case 14: 848 /* SI (shift in), character set 0 (ignored) */ 849 break; 850 case 15: 851 /* SO (shift out), character set 1 (ignored) */ 852 break; 853 case 27: /* esc (introducing an escape sequence) */ 854 s->state = TTY_STATE_ESC; 855 break; 856 default: 857 console_put_one(s, ch); 858 break; 859 } 860 break; 861 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */ 862 if (ch == '[') { 863 for(i=0;i<MAX_ESC_PARAMS;i++) 864 s->esc_params[i] = 0; 865 s->nb_esc_params = 0; 866 s->state = TTY_STATE_CSI; 867 } else { 868 s->state = TTY_STATE_NORM; 869 } 870 break; 871 case TTY_STATE_CSI: /* handle escape sequence parameters */ 872 if (ch >= '0' && ch <= '9') { 873 if (s->nb_esc_params < MAX_ESC_PARAMS) { 874 int *param = &s->esc_params[s->nb_esc_params]; 875 int digit = (ch - '0'); 876 877 *param = (*param <= (INT_MAX - digit) / 10) ? 878 *param * 10 + digit : INT_MAX; 879 } 880 } else { 881 if (s->nb_esc_params < MAX_ESC_PARAMS) 882 s->nb_esc_params++; 883 if (ch == ';') 884 break; 885 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1], 886 ch, s->nb_esc_params); 887 s->state = TTY_STATE_NORM; 888 switch(ch) { 889 case 'A': 890 /* move cursor up */ 891 if (s->esc_params[0] == 0) { 892 s->esc_params[0] = 1; 893 } 894 set_cursor(s, s->x, s->y - s->esc_params[0]); 895 break; 896 case 'B': 897 /* move cursor down */ 898 if (s->esc_params[0] == 0) { 899 s->esc_params[0] = 1; 900 } 901 set_cursor(s, s->x, s->y + s->esc_params[0]); 902 break; 903 case 'C': 904 /* move cursor right */ 905 if (s->esc_params[0] == 0) { 906 s->esc_params[0] = 1; 907 } 908 set_cursor(s, s->x + s->esc_params[0], s->y); 909 break; 910 case 'D': 911 /* move cursor left */ 912 if (s->esc_params[0] == 0) { 913 s->esc_params[0] = 1; 914 } 915 set_cursor(s, s->x - s->esc_params[0], s->y); 916 break; 917 case 'G': 918 /* move cursor to column */ 919 set_cursor(s, s->esc_params[0] - 1, s->y); 920 break; 921 case 'f': 922 case 'H': 923 /* move cursor to row, column */ 924 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1); 925 break; 926 case 'J': 927 switch (s->esc_params[0]) { 928 case 0: 929 /* clear to end of screen */ 930 for (y = s->y; y < s->height; y++) { 931 for (x = 0; x < s->width; x++) { 932 if (y == s->y && x < s->x) { 933 continue; 934 } 935 console_clear_xy(s, x, y); 936 } 937 } 938 break; 939 case 1: 940 /* clear from beginning of screen */ 941 for (y = 0; y <= s->y; y++) { 942 for (x = 0; x < s->width; x++) { 943 if (y == s->y && x > s->x) { 944 break; 945 } 946 console_clear_xy(s, x, y); 947 } 948 } 949 break; 950 case 2: 951 /* clear entire screen */ 952 for (y = 0; y <= s->height; y++) { 953 for (x = 0; x < s->width; x++) { 954 console_clear_xy(s, x, y); 955 } 956 } 957 break; 958 } 959 break; 960 case 'K': 961 switch (s->esc_params[0]) { 962 case 0: 963 /* clear to eol */ 964 for(x = s->x; x < s->width; x++) { 965 console_clear_xy(s, x, s->y); 966 } 967 break; 968 case 1: 969 /* clear from beginning of line */ 970 for (x = 0; x <= s->x; x++) { 971 console_clear_xy(s, x, s->y); 972 } 973 break; 974 case 2: 975 /* clear entire line */ 976 for(x = 0; x < s->width; x++) { 977 console_clear_xy(s, x, s->y); 978 } 979 break; 980 } 981 break; 982 case 'm': 983 console_handle_escape(s); 984 break; 985 case 'n': 986 switch (s->esc_params[0]) { 987 case 5: 988 /* report console status (always succeed)*/ 989 console_respond_str(s, "\033[0n"); 990 break; 991 case 6: 992 /* report cursor position */ 993 sprintf(response, "\033[%d;%dR", 994 (s->y_base + s->y) % s->total_height + 1, 995 s->x + 1); 996 console_respond_str(s, response); 997 break; 998 } 999 break; 1000 case 's': 1001 /* save cursor position */ 1002 s->x_saved = s->x; 1003 s->y_saved = s->y; 1004 break; 1005 case 'u': 1006 /* restore cursor position */ 1007 s->x = s->x_saved; 1008 s->y = s->y_saved; 1009 break; 1010 default: 1011 trace_console_putchar_unhandled(ch); 1012 break; 1013 } 1014 break; 1015 } 1016 } 1017 } 1018 1019 void console_select(unsigned int index) 1020 { 1021 DisplayChangeListener *dcl; 1022 QemuConsole *s; 1023 1024 trace_console_select(index); 1025 s = qemu_console_lookup_by_index(index); 1026 if (s) { 1027 DisplayState *ds = s->ds; 1028 1029 active_console = s; 1030 if (ds->have_gfx) { 1031 QLIST_FOREACH(dcl, &ds->listeners, next) { 1032 if (dcl->con != NULL) { 1033 continue; 1034 } 1035 if (dcl->ops->dpy_gfx_switch) { 1036 dcl->ops->dpy_gfx_switch(dcl, s->surface); 1037 } 1038 } 1039 dpy_gfx_update(s, 0, 0, surface_width(s->surface), 1040 surface_height(s->surface)); 1041 } 1042 if (ds->have_text) { 1043 dpy_text_resize(s, s->width, s->height); 1044 } 1045 text_console_update_cursor(NULL); 1046 } 1047 } 1048 1049 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len) 1050 { 1051 QemuConsole *s = chr->opaque; 1052 int i; 1053 1054 s->update_x0 = s->width * FONT_WIDTH; 1055 s->update_y0 = s->height * FONT_HEIGHT; 1056 s->update_x1 = 0; 1057 s->update_y1 = 0; 1058 console_show_cursor(s, 0); 1059 for(i = 0; i < len; i++) { 1060 console_putchar(s, buf[i]); 1061 } 1062 console_show_cursor(s, 1); 1063 if (s->ds->have_gfx && s->update_x0 < s->update_x1) { 1064 dpy_gfx_update(s, s->update_x0, s->update_y0, 1065 s->update_x1 - s->update_x0, 1066 s->update_y1 - s->update_y0); 1067 } 1068 return len; 1069 } 1070 1071 static void kbd_send_chars(void *opaque) 1072 { 1073 QemuConsole *s = opaque; 1074 int len; 1075 uint8_t buf[16]; 1076 1077 len = qemu_chr_be_can_write(s->chr); 1078 if (len > s->out_fifo.count) 1079 len = s->out_fifo.count; 1080 if (len > 0) { 1081 if (len > sizeof(buf)) 1082 len = sizeof(buf); 1083 qemu_fifo_read(&s->out_fifo, buf, len); 1084 qemu_chr_be_write(s->chr, buf, len); 1085 } 1086 /* characters are pending: we send them a bit later (XXX: 1087 horrible, should change char device API) */ 1088 if (s->out_fifo.count > 0) { 1089 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1); 1090 } 1091 } 1092 1093 /* called when an ascii key is pressed */ 1094 void kbd_put_keysym_console(QemuConsole *s, int keysym) 1095 { 1096 uint8_t buf[16], *q; 1097 CharBackend *be; 1098 int c; 1099 1100 if (!s || (s->console_type == GRAPHIC_CONSOLE)) 1101 return; 1102 1103 switch(keysym) { 1104 case QEMU_KEY_CTRL_UP: 1105 console_scroll(s, -1); 1106 break; 1107 case QEMU_KEY_CTRL_DOWN: 1108 console_scroll(s, 1); 1109 break; 1110 case QEMU_KEY_CTRL_PAGEUP: 1111 console_scroll(s, -10); 1112 break; 1113 case QEMU_KEY_CTRL_PAGEDOWN: 1114 console_scroll(s, 10); 1115 break; 1116 default: 1117 /* convert the QEMU keysym to VT100 key string */ 1118 q = buf; 1119 if (keysym >= 0xe100 && keysym <= 0xe11f) { 1120 *q++ = '\033'; 1121 *q++ = '['; 1122 c = keysym - 0xe100; 1123 if (c >= 10) 1124 *q++ = '0' + (c / 10); 1125 *q++ = '0' + (c % 10); 1126 *q++ = '~'; 1127 } else if (keysym >= 0xe120 && keysym <= 0xe17f) { 1128 *q++ = '\033'; 1129 *q++ = '['; 1130 *q++ = keysym & 0xff; 1131 } else if (s->echo && (keysym == '\r' || keysym == '\n')) { 1132 console_puts(s->chr, (const uint8_t *) "\r", 1); 1133 *q++ = '\n'; 1134 } else { 1135 *q++ = keysym; 1136 } 1137 if (s->echo) { 1138 console_puts(s->chr, buf, q - buf); 1139 } 1140 be = s->chr->be; 1141 if (be && be->chr_read) { 1142 qemu_fifo_write(&s->out_fifo, buf, q - buf); 1143 kbd_send_chars(s); 1144 } 1145 break; 1146 } 1147 } 1148 1149 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = { 1150 [Q_KEY_CODE_UP] = QEMU_KEY_UP, 1151 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN, 1152 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT, 1153 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT, 1154 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME, 1155 [Q_KEY_CODE_END] = QEMU_KEY_END, 1156 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP, 1157 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN, 1158 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE, 1159 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE, 1160 }; 1161 1162 bool kbd_put_qcode_console(QemuConsole *s, int qcode) 1163 { 1164 int keysym; 1165 1166 keysym = qcode_to_keysym[qcode]; 1167 if (keysym == 0) { 1168 return false; 1169 } 1170 kbd_put_keysym_console(s, keysym); 1171 return true; 1172 } 1173 1174 void kbd_put_string_console(QemuConsole *s, const char *str, int len) 1175 { 1176 int i; 1177 1178 for (i = 0; i < len && str[i]; i++) { 1179 kbd_put_keysym_console(s, str[i]); 1180 } 1181 } 1182 1183 void kbd_put_keysym(int keysym) 1184 { 1185 kbd_put_keysym_console(active_console, keysym); 1186 } 1187 1188 static void text_console_invalidate(void *opaque) 1189 { 1190 QemuConsole *s = (QemuConsole *) opaque; 1191 1192 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) { 1193 text_console_resize(s); 1194 } 1195 console_refresh(s); 1196 } 1197 1198 static void text_console_update(void *opaque, console_ch_t *chardata) 1199 { 1200 QemuConsole *s = (QemuConsole *) opaque; 1201 int i, j, src; 1202 1203 if (s->text_x[0] <= s->text_x[1]) { 1204 src = (s->y_base + s->text_y[0]) * s->width; 1205 chardata += s->text_y[0] * s->width; 1206 for (i = s->text_y[0]; i <= s->text_y[1]; i ++) 1207 for (j = 0; j < s->width; j++, src++) { 1208 console_write_ch(chardata ++, 1209 ATTR2CHTYPE(s->cells[src].ch, 1210 s->cells[src].t_attrib.fgcol, 1211 s->cells[src].t_attrib.bgcol, 1212 s->cells[src].t_attrib.bold)); 1213 } 1214 dpy_text_update(s, s->text_x[0], s->text_y[0], 1215 s->text_x[1] - s->text_x[0], i - s->text_y[0]); 1216 s->text_x[0] = s->width; 1217 s->text_y[0] = s->height; 1218 s->text_x[1] = 0; 1219 s->text_y[1] = 0; 1220 } 1221 if (s->cursor_invalidate) { 1222 dpy_text_cursor(s, s->x, s->y); 1223 s->cursor_invalidate = 0; 1224 } 1225 } 1226 1227 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type, 1228 uint32_t head) 1229 { 1230 Object *obj; 1231 QemuConsole *s; 1232 int i; 1233 1234 obj = object_new(TYPE_QEMU_CONSOLE); 1235 s = QEMU_CONSOLE(obj); 1236 s->head = head; 1237 object_property_add_link(obj, "device", TYPE_DEVICE, 1238 (Object **)&s->device, 1239 object_property_allow_set_link, 1240 OBJ_PROP_LINK_UNREF_ON_RELEASE, 1241 &error_abort); 1242 object_property_add_uint32_ptr(obj, "head", 1243 &s->head, &error_abort); 1244 1245 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) && 1246 (console_type == GRAPHIC_CONSOLE))) { 1247 active_console = s; 1248 } 1249 s->ds = ds; 1250 s->console_type = console_type; 1251 1252 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1)); 1253 if (console_type != GRAPHIC_CONSOLE) { 1254 s->index = nb_consoles; 1255 consoles[nb_consoles++] = s; 1256 } else { 1257 /* HACK: Put graphical consoles before text consoles. */ 1258 for (i = nb_consoles; i > 0; i--) { 1259 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE) 1260 break; 1261 consoles[i] = consoles[i - 1]; 1262 consoles[i]->index = i; 1263 } 1264 s->index = i; 1265 consoles[i] = s; 1266 nb_consoles++; 1267 } 1268 return s; 1269 } 1270 1271 static void qemu_alloc_display(DisplaySurface *surface, int width, int height) 1272 { 1273 qemu_pixman_image_unref(surface->image); 1274 surface->image = NULL; 1275 1276 surface->format = PIXMAN_x8r8g8b8; 1277 surface->image = pixman_image_create_bits(surface->format, 1278 width, height, 1279 NULL, width * 4); 1280 assert(surface->image != NULL); 1281 1282 surface->flags = QEMU_ALLOCATED_FLAG; 1283 } 1284 1285 DisplaySurface *qemu_create_displaysurface(int width, int height) 1286 { 1287 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1288 1289 trace_displaysurface_create(surface, width, height); 1290 qemu_alloc_display(surface, width, height); 1291 return surface; 1292 } 1293 1294 DisplaySurface *qemu_create_displaysurface_from(int width, int height, 1295 pixman_format_code_t format, 1296 int linesize, uint8_t *data) 1297 { 1298 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1299 1300 trace_displaysurface_create_from(surface, width, height, format); 1301 surface->format = format; 1302 surface->image = pixman_image_create_bits(surface->format, 1303 width, height, 1304 (void *)data, linesize); 1305 assert(surface->image != NULL); 1306 1307 return surface; 1308 } 1309 1310 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image) 1311 { 1312 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1313 1314 trace_displaysurface_create_pixman(surface); 1315 surface->format = pixman_image_get_format(image); 1316 surface->image = pixman_image_ref(image); 1317 1318 return surface; 1319 } 1320 1321 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image, 1322 void *unused) 1323 { 1324 void *data = pixman_image_get_data(image); 1325 uint32_t size = pixman_image_get_stride(image) * 1326 pixman_image_get_height(image); 1327 cpu_physical_memory_unmap(data, size, 0, 0); 1328 } 1329 1330 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height, 1331 pixman_format_code_t format, 1332 int linesize, uint64_t addr) 1333 { 1334 DisplaySurface *surface; 1335 hwaddr size; 1336 void *data; 1337 1338 if (linesize == 0) { 1339 linesize = width * PIXMAN_FORMAT_BPP(format) / 8; 1340 } 1341 1342 size = (hwaddr)linesize * height; 1343 data = cpu_physical_memory_map(addr, &size, 0); 1344 if (size != (hwaddr)linesize * height) { 1345 cpu_physical_memory_unmap(data, size, 0, 0); 1346 return NULL; 1347 } 1348 1349 surface = qemu_create_displaysurface_from 1350 (width, height, format, linesize, data); 1351 pixman_image_set_destroy_function 1352 (surface->image, qemu_unmap_displaysurface_guestmem, NULL); 1353 1354 return surface; 1355 } 1356 1357 static DisplaySurface *qemu_create_message_surface(int w, int h, 1358 const char *msg) 1359 { 1360 DisplaySurface *surface = qemu_create_displaysurface(w, h); 1361 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK]; 1362 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE]; 1363 pixman_image_t *glyph; 1364 int len, x, y, i; 1365 1366 len = strlen(msg); 1367 x = (w / FONT_WIDTH - len) / 2; 1368 y = (h / FONT_HEIGHT - 1) / 2; 1369 for (i = 0; i < len; i++) { 1370 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]); 1371 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg, 1372 x+i, y, FONT_WIDTH, FONT_HEIGHT); 1373 qemu_pixman_image_unref(glyph); 1374 } 1375 return surface; 1376 } 1377 1378 void qemu_free_displaysurface(DisplaySurface *surface) 1379 { 1380 if (surface == NULL) { 1381 return; 1382 } 1383 trace_displaysurface_free(surface); 1384 qemu_pixman_image_unref(surface->image); 1385 g_free(surface); 1386 } 1387 1388 bool console_has_gl(QemuConsole *con) 1389 { 1390 return con->gl != NULL; 1391 } 1392 1393 void register_displaychangelistener(DisplayChangeListener *dcl) 1394 { 1395 static const char nodev[] = 1396 "This VM has no graphic display device."; 1397 static DisplaySurface *dummy; 1398 QemuConsole *con; 1399 1400 if (dcl->ops->dpy_gl_ctx_create) { 1401 /* display has opengl support */ 1402 assert(dcl->con); 1403 if (dcl->con->gl) { 1404 fprintf(stderr, "can't register two opengl displays (%s, %s)\n", 1405 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name); 1406 exit(1); 1407 } 1408 dcl->con->gl = dcl; 1409 } 1410 1411 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name); 1412 dcl->ds = get_alloc_displaystate(); 1413 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next); 1414 gui_setup_refresh(dcl->ds); 1415 if (dcl->con) { 1416 dcl->con->dcls++; 1417 con = dcl->con; 1418 } else { 1419 con = active_console; 1420 } 1421 if (dcl->ops->dpy_gfx_switch) { 1422 if (con) { 1423 dcl->ops->dpy_gfx_switch(dcl, con->surface); 1424 } else { 1425 if (!dummy) { 1426 dummy = qemu_create_message_surface(640, 480, nodev); 1427 } 1428 dcl->ops->dpy_gfx_switch(dcl, dummy); 1429 } 1430 } 1431 text_console_update_cursor(NULL); 1432 } 1433 1434 void update_displaychangelistener(DisplayChangeListener *dcl, 1435 uint64_t interval) 1436 { 1437 DisplayState *ds = dcl->ds; 1438 1439 dcl->update_interval = interval; 1440 if (!ds->refreshing && ds->update_interval > interval) { 1441 timer_mod(ds->gui_timer, ds->last_update + interval); 1442 } 1443 } 1444 1445 void unregister_displaychangelistener(DisplayChangeListener *dcl) 1446 { 1447 DisplayState *ds = dcl->ds; 1448 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name); 1449 if (dcl->con) { 1450 dcl->con->dcls--; 1451 } 1452 QLIST_REMOVE(dcl, next); 1453 gui_setup_refresh(ds); 1454 } 1455 1456 static void dpy_set_ui_info_timer(void *opaque) 1457 { 1458 QemuConsole *con = opaque; 1459 1460 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info); 1461 } 1462 1463 bool dpy_ui_info_supported(QemuConsole *con) 1464 { 1465 return con->hw_ops->ui_info != NULL; 1466 } 1467 1468 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info) 1469 { 1470 assert(con != NULL); 1471 1472 if (!dpy_ui_info_supported(con)) { 1473 return -1; 1474 } 1475 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) { 1476 /* nothing changed -- ignore */ 1477 return 0; 1478 } 1479 1480 /* 1481 * Typically we get a flood of these as the user resizes the window. 1482 * Wait until the dust has settled (one second without updates), then 1483 * go notify the guest. 1484 */ 1485 con->ui_info = *info; 1486 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000); 1487 return 0; 1488 } 1489 1490 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h) 1491 { 1492 DisplayState *s = con->ds; 1493 DisplayChangeListener *dcl; 1494 int width = w; 1495 int height = h; 1496 1497 if (con->surface) { 1498 width = surface_width(con->surface); 1499 height = surface_height(con->surface); 1500 } 1501 x = MAX(x, 0); 1502 y = MAX(y, 0); 1503 x = MIN(x, width); 1504 y = MIN(y, height); 1505 w = MIN(w, width - x); 1506 h = MIN(h, height - y); 1507 1508 if (!qemu_console_is_visible(con)) { 1509 return; 1510 } 1511 QLIST_FOREACH(dcl, &s->listeners, next) { 1512 if (con != (dcl->con ? dcl->con : active_console)) { 1513 continue; 1514 } 1515 if (dcl->ops->dpy_gfx_update) { 1516 dcl->ops->dpy_gfx_update(dcl, x, y, w, h); 1517 } 1518 } 1519 } 1520 1521 void dpy_gfx_replace_surface(QemuConsole *con, 1522 DisplaySurface *surface) 1523 { 1524 DisplayState *s = con->ds; 1525 DisplaySurface *old_surface = con->surface; 1526 DisplayChangeListener *dcl; 1527 1528 con->surface = surface; 1529 QLIST_FOREACH(dcl, &s->listeners, next) { 1530 if (con != (dcl->con ? dcl->con : active_console)) { 1531 continue; 1532 } 1533 if (dcl->ops->dpy_gfx_switch) { 1534 dcl->ops->dpy_gfx_switch(dcl, surface); 1535 } 1536 } 1537 qemu_free_displaysurface(old_surface); 1538 } 1539 1540 bool dpy_gfx_check_format(QemuConsole *con, 1541 pixman_format_code_t format) 1542 { 1543 DisplayChangeListener *dcl; 1544 DisplayState *s = con->ds; 1545 1546 QLIST_FOREACH(dcl, &s->listeners, next) { 1547 if (dcl->con && dcl->con != con) { 1548 /* dcl bound to another console -> skip */ 1549 continue; 1550 } 1551 if (dcl->ops->dpy_gfx_check_format) { 1552 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) { 1553 return false; 1554 } 1555 } else { 1556 /* default is to whitelist native 32 bpp only */ 1557 if (format != qemu_default_pixman_format(32, true)) { 1558 return false; 1559 } 1560 } 1561 } 1562 return true; 1563 } 1564 1565 static void dpy_refresh(DisplayState *s) 1566 { 1567 DisplayChangeListener *dcl; 1568 1569 QLIST_FOREACH(dcl, &s->listeners, next) { 1570 if (dcl->ops->dpy_refresh) { 1571 dcl->ops->dpy_refresh(dcl); 1572 } 1573 } 1574 } 1575 1576 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y, 1577 int dst_x, int dst_y, int w, int h) 1578 { 1579 DisplayState *s = con->ds; 1580 DisplayChangeListener *dcl; 1581 1582 if (!qemu_console_is_visible(con)) { 1583 return; 1584 } 1585 QLIST_FOREACH(dcl, &s->listeners, next) { 1586 if (con != (dcl->con ? dcl->con : active_console)) { 1587 continue; 1588 } 1589 if (dcl->ops->dpy_gfx_copy) { 1590 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h); 1591 } else { /* TODO */ 1592 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h); 1593 } 1594 } 1595 } 1596 1597 void dpy_text_cursor(QemuConsole *con, int x, int y) 1598 { 1599 DisplayState *s = con->ds; 1600 DisplayChangeListener *dcl; 1601 1602 if (!qemu_console_is_visible(con)) { 1603 return; 1604 } 1605 QLIST_FOREACH(dcl, &s->listeners, next) { 1606 if (con != (dcl->con ? dcl->con : active_console)) { 1607 continue; 1608 } 1609 if (dcl->ops->dpy_text_cursor) { 1610 dcl->ops->dpy_text_cursor(dcl, x, y); 1611 } 1612 } 1613 } 1614 1615 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h) 1616 { 1617 DisplayState *s = con->ds; 1618 DisplayChangeListener *dcl; 1619 1620 if (!qemu_console_is_visible(con)) { 1621 return; 1622 } 1623 QLIST_FOREACH(dcl, &s->listeners, next) { 1624 if (con != (dcl->con ? dcl->con : active_console)) { 1625 continue; 1626 } 1627 if (dcl->ops->dpy_text_update) { 1628 dcl->ops->dpy_text_update(dcl, x, y, w, h); 1629 } 1630 } 1631 } 1632 1633 void dpy_text_resize(QemuConsole *con, int w, int h) 1634 { 1635 DisplayState *s = con->ds; 1636 DisplayChangeListener *dcl; 1637 1638 if (!qemu_console_is_visible(con)) { 1639 return; 1640 } 1641 QLIST_FOREACH(dcl, &s->listeners, next) { 1642 if (con != (dcl->con ? dcl->con : active_console)) { 1643 continue; 1644 } 1645 if (dcl->ops->dpy_text_resize) { 1646 dcl->ops->dpy_text_resize(dcl, w, h); 1647 } 1648 } 1649 } 1650 1651 void dpy_mouse_set(QemuConsole *con, int x, int y, int on) 1652 { 1653 DisplayState *s = con->ds; 1654 DisplayChangeListener *dcl; 1655 1656 if (!qemu_console_is_visible(con)) { 1657 return; 1658 } 1659 QLIST_FOREACH(dcl, &s->listeners, next) { 1660 if (con != (dcl->con ? dcl->con : active_console)) { 1661 continue; 1662 } 1663 if (dcl->ops->dpy_mouse_set) { 1664 dcl->ops->dpy_mouse_set(dcl, x, y, on); 1665 } 1666 } 1667 } 1668 1669 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor) 1670 { 1671 DisplayState *s = con->ds; 1672 DisplayChangeListener *dcl; 1673 1674 if (!qemu_console_is_visible(con)) { 1675 return; 1676 } 1677 QLIST_FOREACH(dcl, &s->listeners, next) { 1678 if (con != (dcl->con ? dcl->con : active_console)) { 1679 continue; 1680 } 1681 if (dcl->ops->dpy_cursor_define) { 1682 dcl->ops->dpy_cursor_define(dcl, cursor); 1683 } 1684 } 1685 } 1686 1687 bool dpy_cursor_define_supported(QemuConsole *con) 1688 { 1689 DisplayState *s = con->ds; 1690 DisplayChangeListener *dcl; 1691 1692 QLIST_FOREACH(dcl, &s->listeners, next) { 1693 if (dcl->ops->dpy_cursor_define) { 1694 return true; 1695 } 1696 } 1697 return false; 1698 } 1699 1700 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con, 1701 struct QEMUGLParams *qparams) 1702 { 1703 assert(con->gl); 1704 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams); 1705 } 1706 1707 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx) 1708 { 1709 assert(con->gl); 1710 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx); 1711 } 1712 1713 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx) 1714 { 1715 assert(con->gl); 1716 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx); 1717 } 1718 1719 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con) 1720 { 1721 assert(con->gl); 1722 return con->gl->ops->dpy_gl_ctx_get_current(con->gl); 1723 } 1724 1725 void dpy_gl_scanout(QemuConsole *con, 1726 uint32_t backing_id, bool backing_y_0_top, 1727 uint32_t backing_width, uint32_t backing_height, 1728 uint32_t x, uint32_t y, uint32_t width, uint32_t height) 1729 { 1730 assert(con->gl); 1731 con->gl->ops->dpy_gl_scanout(con->gl, backing_id, 1732 backing_y_0_top, 1733 backing_width, backing_height, 1734 x, y, width, height); 1735 } 1736 1737 void dpy_gl_update(QemuConsole *con, 1738 uint32_t x, uint32_t y, uint32_t w, uint32_t h) 1739 { 1740 assert(con->gl); 1741 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h); 1742 } 1743 1744 /***********************************************************/ 1745 /* register display */ 1746 1747 /* console.c internal use only */ 1748 static DisplayState *get_alloc_displaystate(void) 1749 { 1750 if (!display_state) { 1751 display_state = g_new0(DisplayState, 1); 1752 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME, 1753 text_console_update_cursor, NULL); 1754 } 1755 return display_state; 1756 } 1757 1758 /* 1759 * Called by main(), after creating QemuConsoles 1760 * and before initializing ui (sdl/vnc/...). 1761 */ 1762 DisplayState *init_displaystate(void) 1763 { 1764 gchar *name; 1765 int i; 1766 1767 get_alloc_displaystate(); 1768 for (i = 0; i < nb_consoles; i++) { 1769 if (consoles[i]->console_type != GRAPHIC_CONSOLE && 1770 consoles[i]->ds == NULL) { 1771 text_console_do_init(consoles[i]->chr, display_state); 1772 } 1773 1774 /* Hook up into the qom tree here (not in new_console()), once 1775 * all QemuConsoles are created and the order / numbering 1776 * doesn't change any more */ 1777 name = g_strdup_printf("console[%d]", i); 1778 object_property_add_child(container_get(object_get_root(), "/backend"), 1779 name, OBJECT(consoles[i]), &error_abort); 1780 g_free(name); 1781 } 1782 1783 return display_state; 1784 } 1785 1786 void graphic_console_set_hwops(QemuConsole *con, 1787 const GraphicHwOps *hw_ops, 1788 void *opaque) 1789 { 1790 con->hw_ops = hw_ops; 1791 con->hw = opaque; 1792 } 1793 1794 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head, 1795 const GraphicHwOps *hw_ops, 1796 void *opaque) 1797 { 1798 static const char noinit[] = 1799 "Guest has not initialized the display (yet)."; 1800 int width = 640; 1801 int height = 480; 1802 QemuConsole *s; 1803 DisplayState *ds; 1804 1805 ds = get_alloc_displaystate(); 1806 trace_console_gfx_new(); 1807 s = new_console(ds, GRAPHIC_CONSOLE, head); 1808 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s); 1809 graphic_console_set_hwops(s, hw_ops, opaque); 1810 if (dev) { 1811 object_property_set_link(OBJECT(s), OBJECT(dev), "device", 1812 &error_abort); 1813 } 1814 1815 s->surface = qemu_create_message_surface(width, height, noinit); 1816 return s; 1817 } 1818 1819 QemuConsole *qemu_console_lookup_by_index(unsigned int index) 1820 { 1821 if (index >= nb_consoles) { 1822 return NULL; 1823 } 1824 return consoles[index]; 1825 } 1826 1827 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head) 1828 { 1829 Object *obj; 1830 uint32_t h; 1831 int i; 1832 1833 for (i = 0; i < nb_consoles; i++) { 1834 if (!consoles[i]) { 1835 continue; 1836 } 1837 obj = object_property_get_link(OBJECT(consoles[i]), 1838 "device", &error_abort); 1839 if (DEVICE(obj) != dev) { 1840 continue; 1841 } 1842 h = object_property_get_int(OBJECT(consoles[i]), 1843 "head", &error_abort); 1844 if (h != head) { 1845 continue; 1846 } 1847 return consoles[i]; 1848 } 1849 return NULL; 1850 } 1851 1852 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id, 1853 uint32_t head, Error **errp) 1854 { 1855 DeviceState *dev; 1856 QemuConsole *con; 1857 1858 dev = qdev_find_recursive(sysbus_get_default(), device_id); 1859 if (dev == NULL) { 1860 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, 1861 "Device '%s' not found", device_id); 1862 return NULL; 1863 } 1864 1865 con = qemu_console_lookup_by_device(dev, head); 1866 if (con == NULL) { 1867 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole", 1868 device_id, head); 1869 return NULL; 1870 } 1871 1872 return con; 1873 } 1874 1875 bool qemu_console_is_visible(QemuConsole *con) 1876 { 1877 return (con == active_console) || (con->dcls > 0); 1878 } 1879 1880 bool qemu_console_is_graphic(QemuConsole *con) 1881 { 1882 if (con == NULL) { 1883 con = active_console; 1884 } 1885 return con && (con->console_type == GRAPHIC_CONSOLE); 1886 } 1887 1888 bool qemu_console_is_fixedsize(QemuConsole *con) 1889 { 1890 if (con == NULL) { 1891 con = active_console; 1892 } 1893 return con && (con->console_type != TEXT_CONSOLE); 1894 } 1895 1896 bool qemu_console_is_gl_blocked(QemuConsole *con) 1897 { 1898 assert(con != NULL); 1899 return con->gl_block; 1900 } 1901 1902 char *qemu_console_get_label(QemuConsole *con) 1903 { 1904 if (con->console_type == GRAPHIC_CONSOLE) { 1905 if (con->device) { 1906 return g_strdup(object_get_typename(con->device)); 1907 } 1908 return g_strdup("VGA"); 1909 } else { 1910 if (con->chr && con->chr->label) { 1911 return g_strdup(con->chr->label); 1912 } 1913 return g_strdup_printf("vc%d", con->index); 1914 } 1915 } 1916 1917 int qemu_console_get_index(QemuConsole *con) 1918 { 1919 if (con == NULL) { 1920 con = active_console; 1921 } 1922 return con ? con->index : -1; 1923 } 1924 1925 uint32_t qemu_console_get_head(QemuConsole *con) 1926 { 1927 if (con == NULL) { 1928 con = active_console; 1929 } 1930 return con ? con->head : -1; 1931 } 1932 1933 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con) 1934 { 1935 assert(con != NULL); 1936 return &con->ui_info; 1937 } 1938 1939 int qemu_console_get_width(QemuConsole *con, int fallback) 1940 { 1941 if (con == NULL) { 1942 con = active_console; 1943 } 1944 return con ? surface_width(con->surface) : fallback; 1945 } 1946 1947 int qemu_console_get_height(QemuConsole *con, int fallback) 1948 { 1949 if (con == NULL) { 1950 con = active_console; 1951 } 1952 return con ? surface_height(con->surface) : fallback; 1953 } 1954 1955 static void text_console_set_echo(CharDriverState *chr, bool echo) 1956 { 1957 QemuConsole *s = chr->opaque; 1958 1959 s->echo = echo; 1960 } 1961 1962 static void text_console_update_cursor_timer(void) 1963 { 1964 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) 1965 + CONSOLE_CURSOR_PERIOD / 2); 1966 } 1967 1968 static void text_console_update_cursor(void *opaque) 1969 { 1970 QemuConsole *s; 1971 int i, count = 0; 1972 1973 cursor_visible_phase = !cursor_visible_phase; 1974 1975 for (i = 0; i < nb_consoles; i++) { 1976 s = consoles[i]; 1977 if (qemu_console_is_graphic(s) || 1978 !qemu_console_is_visible(s)) { 1979 continue; 1980 } 1981 count++; 1982 graphic_hw_invalidate(s); 1983 } 1984 1985 if (count) { 1986 text_console_update_cursor_timer(); 1987 } 1988 } 1989 1990 static const GraphicHwOps text_console_ops = { 1991 .invalidate = text_console_invalidate, 1992 .text_update = text_console_update, 1993 }; 1994 1995 static void text_console_do_init(CharDriverState *chr, DisplayState *ds) 1996 { 1997 QemuConsole *s; 1998 int g_width = 80 * FONT_WIDTH; 1999 int g_height = 24 * FONT_HEIGHT; 2000 2001 s = chr->opaque; 2002 2003 chr->chr_write = console_puts; 2004 2005 s->out_fifo.buf = s->out_fifo_buf; 2006 s->out_fifo.buf_size = sizeof(s->out_fifo_buf); 2007 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s); 2008 s->ds = ds; 2009 2010 s->y_displayed = 0; 2011 s->y_base = 0; 2012 s->total_height = DEFAULT_BACKSCROLL; 2013 s->x = 0; 2014 s->y = 0; 2015 if (!s->surface) { 2016 if (active_console && active_console->surface) { 2017 g_width = surface_width(active_console->surface); 2018 g_height = surface_height(active_console->surface); 2019 } 2020 s->surface = qemu_create_displaysurface(g_width, g_height); 2021 } 2022 2023 s->hw_ops = &text_console_ops; 2024 s->hw = s; 2025 2026 /* Set text attribute defaults */ 2027 s->t_attrib_default.bold = 0; 2028 s->t_attrib_default.uline = 0; 2029 s->t_attrib_default.blink = 0; 2030 s->t_attrib_default.invers = 0; 2031 s->t_attrib_default.unvisible = 0; 2032 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE; 2033 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK; 2034 /* set current text attributes to default */ 2035 s->t_attrib = s->t_attrib_default; 2036 text_console_resize(s); 2037 2038 if (chr->label) { 2039 char msg[128]; 2040 int len; 2041 2042 s->t_attrib.bgcol = QEMU_COLOR_BLUE; 2043 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label); 2044 console_puts(chr, (uint8_t*)msg, len); 2045 s->t_attrib = s->t_attrib_default; 2046 } 2047 2048 qemu_chr_be_generic_open(chr); 2049 } 2050 2051 static CharDriverState *text_console_init(ChardevVC *vc, Error **errp) 2052 { 2053 ChardevCommon *common = qapi_ChardevVC_base(vc); 2054 CharDriverState *chr; 2055 QemuConsole *s; 2056 unsigned width = 0; 2057 unsigned height = 0; 2058 2059 chr = qemu_chr_alloc(common, errp); 2060 if (!chr) { 2061 return NULL; 2062 } 2063 2064 if (vc->has_width) { 2065 width = vc->width; 2066 } else if (vc->has_cols) { 2067 width = vc->cols * FONT_WIDTH; 2068 } 2069 2070 if (vc->has_height) { 2071 height = vc->height; 2072 } else if (vc->has_rows) { 2073 height = vc->rows * FONT_HEIGHT; 2074 } 2075 2076 trace_console_txt_new(width, height); 2077 if (width == 0 || height == 0) { 2078 s = new_console(NULL, TEXT_CONSOLE, 0); 2079 } else { 2080 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0); 2081 s->surface = qemu_create_displaysurface(width, height); 2082 } 2083 2084 if (!s) { 2085 g_free(chr); 2086 error_setg(errp, "cannot create text console"); 2087 return NULL; 2088 } 2089 2090 s->chr = chr; 2091 chr->opaque = s; 2092 chr->chr_set_echo = text_console_set_echo; 2093 2094 if (display_state) { 2095 text_console_do_init(chr, display_state); 2096 } 2097 return chr; 2098 } 2099 2100 static VcHandler *vc_handler = text_console_init; 2101 2102 static CharDriverState *vc_init(const char *id, ChardevBackend *backend, 2103 ChardevReturn *ret, bool *be_opened, 2104 Error **errp) 2105 { 2106 /* console/chardev init sometimes completes elsewhere in a 2nd 2107 * stage, so defer OPENED events until they are fully initialized 2108 */ 2109 *be_opened = false; 2110 return vc_handler(backend->u.vc.data, errp); 2111 } 2112 2113 void register_vc_handler(VcHandler *handler) 2114 { 2115 vc_handler = handler; 2116 } 2117 2118 void qemu_console_resize(QemuConsole *s, int width, int height) 2119 { 2120 DisplaySurface *surface; 2121 2122 assert(s->console_type == GRAPHIC_CONSOLE); 2123 2124 if (s->surface && 2125 pixman_image_get_width(s->surface->image) == width && 2126 pixman_image_get_height(s->surface->image) == height) { 2127 return; 2128 } 2129 2130 surface = qemu_create_displaysurface(width, height); 2131 dpy_gfx_replace_surface(s, surface); 2132 } 2133 2134 void qemu_console_copy(QemuConsole *con, int src_x, int src_y, 2135 int dst_x, int dst_y, int w, int h) 2136 { 2137 assert(con->console_type == GRAPHIC_CONSOLE); 2138 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h); 2139 } 2140 2141 DisplaySurface *qemu_console_surface(QemuConsole *console) 2142 { 2143 return console->surface; 2144 } 2145 2146 PixelFormat qemu_default_pixelformat(int bpp) 2147 { 2148 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true); 2149 PixelFormat pf = qemu_pixelformat_from_pixman(fmt); 2150 return pf; 2151 } 2152 2153 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, 2154 Error **errp) 2155 { 2156 int val; 2157 ChardevVC *vc; 2158 2159 vc = backend->u.vc.data = g_new0(ChardevVC, 1); 2160 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc)); 2161 2162 val = qemu_opt_get_number(opts, "width", 0); 2163 if (val != 0) { 2164 vc->has_width = true; 2165 vc->width = val; 2166 } 2167 2168 val = qemu_opt_get_number(opts, "height", 0); 2169 if (val != 0) { 2170 vc->has_height = true; 2171 vc->height = val; 2172 } 2173 2174 val = qemu_opt_get_number(opts, "cols", 0); 2175 if (val != 0) { 2176 vc->has_cols = true; 2177 vc->cols = val; 2178 } 2179 2180 val = qemu_opt_get_number(opts, "rows", 0); 2181 if (val != 0) { 2182 vc->has_rows = true; 2183 vc->rows = val; 2184 } 2185 } 2186 2187 static const TypeInfo qemu_console_info = { 2188 .name = TYPE_QEMU_CONSOLE, 2189 .parent = TYPE_OBJECT, 2190 .instance_size = sizeof(QemuConsole), 2191 .class_size = sizeof(QemuConsoleClass), 2192 }; 2193 2194 2195 static void register_types(void) 2196 { 2197 type_register_static(&qemu_console_info); 2198 register_char_driver("vc", CHARDEV_BACKEND_KIND_VC, qemu_chr_parse_vc, 2199 vc_init); 2200 } 2201 2202 type_init(register_types); 2203