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 Chardev *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(Chardev *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 typedef struct VCChardev { 1050 Chardev parent; 1051 QemuConsole *console; 1052 } VCChardev; 1053 1054 #define TYPE_CHARDEV_VC "chardev-vc" 1055 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC) 1056 1057 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len) 1058 { 1059 VCChardev *drv = VC_CHARDEV(chr); 1060 QemuConsole *s = drv->console; 1061 int i; 1062 1063 if (!s->ds) { 1064 return 0; 1065 } 1066 1067 s->update_x0 = s->width * FONT_WIDTH; 1068 s->update_y0 = s->height * FONT_HEIGHT; 1069 s->update_x1 = 0; 1070 s->update_y1 = 0; 1071 console_show_cursor(s, 0); 1072 for(i = 0; i < len; i++) { 1073 console_putchar(s, buf[i]); 1074 } 1075 console_show_cursor(s, 1); 1076 if (s->ds->have_gfx && s->update_x0 < s->update_x1) { 1077 dpy_gfx_update(s, s->update_x0, s->update_y0, 1078 s->update_x1 - s->update_x0, 1079 s->update_y1 - s->update_y0); 1080 } 1081 return len; 1082 } 1083 1084 static void kbd_send_chars(void *opaque) 1085 { 1086 QemuConsole *s = opaque; 1087 int len; 1088 uint8_t buf[16]; 1089 1090 len = qemu_chr_be_can_write(s->chr); 1091 if (len > s->out_fifo.count) 1092 len = s->out_fifo.count; 1093 if (len > 0) { 1094 if (len > sizeof(buf)) 1095 len = sizeof(buf); 1096 qemu_fifo_read(&s->out_fifo, buf, len); 1097 qemu_chr_be_write(s->chr, buf, len); 1098 } 1099 /* characters are pending: we send them a bit later (XXX: 1100 horrible, should change char device API) */ 1101 if (s->out_fifo.count > 0) { 1102 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1); 1103 } 1104 } 1105 1106 /* called when an ascii key is pressed */ 1107 void kbd_put_keysym_console(QemuConsole *s, int keysym) 1108 { 1109 uint8_t buf[16], *q; 1110 CharBackend *be; 1111 int c; 1112 1113 if (!s || (s->console_type == GRAPHIC_CONSOLE)) 1114 return; 1115 1116 switch(keysym) { 1117 case QEMU_KEY_CTRL_UP: 1118 console_scroll(s, -1); 1119 break; 1120 case QEMU_KEY_CTRL_DOWN: 1121 console_scroll(s, 1); 1122 break; 1123 case QEMU_KEY_CTRL_PAGEUP: 1124 console_scroll(s, -10); 1125 break; 1126 case QEMU_KEY_CTRL_PAGEDOWN: 1127 console_scroll(s, 10); 1128 break; 1129 default: 1130 /* convert the QEMU keysym to VT100 key string */ 1131 q = buf; 1132 if (keysym >= 0xe100 && keysym <= 0xe11f) { 1133 *q++ = '\033'; 1134 *q++ = '['; 1135 c = keysym - 0xe100; 1136 if (c >= 10) 1137 *q++ = '0' + (c / 10); 1138 *q++ = '0' + (c % 10); 1139 *q++ = '~'; 1140 } else if (keysym >= 0xe120 && keysym <= 0xe17f) { 1141 *q++ = '\033'; 1142 *q++ = '['; 1143 *q++ = keysym & 0xff; 1144 } else if (s->echo && (keysym == '\r' || keysym == '\n')) { 1145 vc_chr_write(s->chr, (const uint8_t *) "\r", 1); 1146 *q++ = '\n'; 1147 } else { 1148 *q++ = keysym; 1149 } 1150 if (s->echo) { 1151 vc_chr_write(s->chr, buf, q - buf); 1152 } 1153 be = s->chr->be; 1154 if (be && be->chr_read) { 1155 qemu_fifo_write(&s->out_fifo, buf, q - buf); 1156 kbd_send_chars(s); 1157 } 1158 break; 1159 } 1160 } 1161 1162 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = { 1163 [Q_KEY_CODE_UP] = QEMU_KEY_UP, 1164 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN, 1165 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT, 1166 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT, 1167 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME, 1168 [Q_KEY_CODE_END] = QEMU_KEY_END, 1169 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP, 1170 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN, 1171 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE, 1172 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE, 1173 }; 1174 1175 bool kbd_put_qcode_console(QemuConsole *s, int qcode) 1176 { 1177 int keysym; 1178 1179 keysym = qcode_to_keysym[qcode]; 1180 if (keysym == 0) { 1181 return false; 1182 } 1183 kbd_put_keysym_console(s, keysym); 1184 return true; 1185 } 1186 1187 void kbd_put_string_console(QemuConsole *s, const char *str, int len) 1188 { 1189 int i; 1190 1191 for (i = 0; i < len && str[i]; i++) { 1192 kbd_put_keysym_console(s, str[i]); 1193 } 1194 } 1195 1196 void kbd_put_keysym(int keysym) 1197 { 1198 kbd_put_keysym_console(active_console, keysym); 1199 } 1200 1201 static void text_console_invalidate(void *opaque) 1202 { 1203 QemuConsole *s = (QemuConsole *) opaque; 1204 1205 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) { 1206 text_console_resize(s); 1207 } 1208 console_refresh(s); 1209 } 1210 1211 static void text_console_update(void *opaque, console_ch_t *chardata) 1212 { 1213 QemuConsole *s = (QemuConsole *) opaque; 1214 int i, j, src; 1215 1216 if (s->text_x[0] <= s->text_x[1]) { 1217 src = (s->y_base + s->text_y[0]) * s->width; 1218 chardata += s->text_y[0] * s->width; 1219 for (i = s->text_y[0]; i <= s->text_y[1]; i ++) 1220 for (j = 0; j < s->width; j++, src++) { 1221 console_write_ch(chardata ++, 1222 ATTR2CHTYPE(s->cells[src].ch, 1223 s->cells[src].t_attrib.fgcol, 1224 s->cells[src].t_attrib.bgcol, 1225 s->cells[src].t_attrib.bold)); 1226 } 1227 dpy_text_update(s, s->text_x[0], s->text_y[0], 1228 s->text_x[1] - s->text_x[0], i - s->text_y[0]); 1229 s->text_x[0] = s->width; 1230 s->text_y[0] = s->height; 1231 s->text_x[1] = 0; 1232 s->text_y[1] = 0; 1233 } 1234 if (s->cursor_invalidate) { 1235 dpy_text_cursor(s, s->x, s->y); 1236 s->cursor_invalidate = 0; 1237 } 1238 } 1239 1240 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type, 1241 uint32_t head) 1242 { 1243 Object *obj; 1244 QemuConsole *s; 1245 int i; 1246 1247 obj = object_new(TYPE_QEMU_CONSOLE); 1248 s = QEMU_CONSOLE(obj); 1249 s->head = head; 1250 object_property_add_link(obj, "device", TYPE_DEVICE, 1251 (Object **)&s->device, 1252 object_property_allow_set_link, 1253 OBJ_PROP_LINK_UNREF_ON_RELEASE, 1254 &error_abort); 1255 object_property_add_uint32_ptr(obj, "head", 1256 &s->head, &error_abort); 1257 1258 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) && 1259 (console_type == GRAPHIC_CONSOLE))) { 1260 active_console = s; 1261 } 1262 s->ds = ds; 1263 s->console_type = console_type; 1264 1265 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1)); 1266 if (console_type != GRAPHIC_CONSOLE) { 1267 s->index = nb_consoles; 1268 consoles[nb_consoles++] = s; 1269 } else { 1270 /* HACK: Put graphical consoles before text consoles. */ 1271 for (i = nb_consoles; i > 0; i--) { 1272 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE) 1273 break; 1274 consoles[i] = consoles[i - 1]; 1275 consoles[i]->index = i; 1276 } 1277 s->index = i; 1278 consoles[i] = s; 1279 nb_consoles++; 1280 } 1281 return s; 1282 } 1283 1284 static void qemu_alloc_display(DisplaySurface *surface, int width, int height) 1285 { 1286 qemu_pixman_image_unref(surface->image); 1287 surface->image = NULL; 1288 1289 surface->format = PIXMAN_x8r8g8b8; 1290 surface->image = pixman_image_create_bits(surface->format, 1291 width, height, 1292 NULL, width * 4); 1293 assert(surface->image != NULL); 1294 1295 surface->flags = QEMU_ALLOCATED_FLAG; 1296 } 1297 1298 DisplaySurface *qemu_create_displaysurface(int width, int height) 1299 { 1300 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1301 1302 trace_displaysurface_create(surface, width, height); 1303 qemu_alloc_display(surface, width, height); 1304 return surface; 1305 } 1306 1307 DisplaySurface *qemu_create_displaysurface_from(int width, int height, 1308 pixman_format_code_t format, 1309 int linesize, uint8_t *data) 1310 { 1311 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1312 1313 trace_displaysurface_create_from(surface, width, height, format); 1314 surface->format = format; 1315 surface->image = pixman_image_create_bits(surface->format, 1316 width, height, 1317 (void *)data, linesize); 1318 assert(surface->image != NULL); 1319 1320 return surface; 1321 } 1322 1323 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image) 1324 { 1325 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1326 1327 trace_displaysurface_create_pixman(surface); 1328 surface->format = pixman_image_get_format(image); 1329 surface->image = pixman_image_ref(image); 1330 1331 return surface; 1332 } 1333 1334 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image, 1335 void *unused) 1336 { 1337 void *data = pixman_image_get_data(image); 1338 uint32_t size = pixman_image_get_stride(image) * 1339 pixman_image_get_height(image); 1340 cpu_physical_memory_unmap(data, size, 0, 0); 1341 } 1342 1343 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height, 1344 pixman_format_code_t format, 1345 int linesize, uint64_t addr) 1346 { 1347 DisplaySurface *surface; 1348 hwaddr size; 1349 void *data; 1350 1351 if (linesize == 0) { 1352 linesize = width * PIXMAN_FORMAT_BPP(format) / 8; 1353 } 1354 1355 size = (hwaddr)linesize * height; 1356 data = cpu_physical_memory_map(addr, &size, 0); 1357 if (size != (hwaddr)linesize * height) { 1358 cpu_physical_memory_unmap(data, size, 0, 0); 1359 return NULL; 1360 } 1361 1362 surface = qemu_create_displaysurface_from 1363 (width, height, format, linesize, data); 1364 pixman_image_set_destroy_function 1365 (surface->image, qemu_unmap_displaysurface_guestmem, NULL); 1366 1367 return surface; 1368 } 1369 1370 static DisplaySurface *qemu_create_message_surface(int w, int h, 1371 const char *msg) 1372 { 1373 DisplaySurface *surface = qemu_create_displaysurface(w, h); 1374 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK]; 1375 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE]; 1376 pixman_image_t *glyph; 1377 int len, x, y, i; 1378 1379 len = strlen(msg); 1380 x = (w / FONT_WIDTH - len) / 2; 1381 y = (h / FONT_HEIGHT - 1) / 2; 1382 for (i = 0; i < len; i++) { 1383 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]); 1384 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg, 1385 x+i, y, FONT_WIDTH, FONT_HEIGHT); 1386 qemu_pixman_image_unref(glyph); 1387 } 1388 return surface; 1389 } 1390 1391 void qemu_free_displaysurface(DisplaySurface *surface) 1392 { 1393 if (surface == NULL) { 1394 return; 1395 } 1396 trace_displaysurface_free(surface); 1397 qemu_pixman_image_unref(surface->image); 1398 g_free(surface); 1399 } 1400 1401 bool console_has_gl(QemuConsole *con) 1402 { 1403 return con->gl != NULL; 1404 } 1405 1406 void register_displaychangelistener(DisplayChangeListener *dcl) 1407 { 1408 static const char nodev[] = 1409 "This VM has no graphic display device."; 1410 static DisplaySurface *dummy; 1411 QemuConsole *con; 1412 1413 assert(!dcl->ds); 1414 1415 if (dcl->ops->dpy_gl_ctx_create) { 1416 /* display has opengl support */ 1417 assert(dcl->con); 1418 if (dcl->con->gl) { 1419 fprintf(stderr, "can't register two opengl displays (%s, %s)\n", 1420 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name); 1421 exit(1); 1422 } 1423 dcl->con->gl = dcl; 1424 } 1425 1426 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name); 1427 dcl->ds = get_alloc_displaystate(); 1428 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next); 1429 gui_setup_refresh(dcl->ds); 1430 if (dcl->con) { 1431 dcl->con->dcls++; 1432 con = dcl->con; 1433 } else { 1434 con = active_console; 1435 } 1436 if (dcl->ops->dpy_gfx_switch) { 1437 if (con) { 1438 dcl->ops->dpy_gfx_switch(dcl, con->surface); 1439 } else { 1440 if (!dummy) { 1441 dummy = qemu_create_message_surface(640, 480, nodev); 1442 } 1443 dcl->ops->dpy_gfx_switch(dcl, dummy); 1444 } 1445 } 1446 text_console_update_cursor(NULL); 1447 } 1448 1449 void update_displaychangelistener(DisplayChangeListener *dcl, 1450 uint64_t interval) 1451 { 1452 DisplayState *ds = dcl->ds; 1453 1454 dcl->update_interval = interval; 1455 if (!ds->refreshing && ds->update_interval > interval) { 1456 timer_mod(ds->gui_timer, ds->last_update + interval); 1457 } 1458 } 1459 1460 void unregister_displaychangelistener(DisplayChangeListener *dcl) 1461 { 1462 DisplayState *ds = dcl->ds; 1463 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name); 1464 if (dcl->con) { 1465 dcl->con->dcls--; 1466 } 1467 QLIST_REMOVE(dcl, next); 1468 gui_setup_refresh(ds); 1469 } 1470 1471 static void dpy_set_ui_info_timer(void *opaque) 1472 { 1473 QemuConsole *con = opaque; 1474 1475 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info); 1476 } 1477 1478 bool dpy_ui_info_supported(QemuConsole *con) 1479 { 1480 return con->hw_ops->ui_info != NULL; 1481 } 1482 1483 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info) 1484 { 1485 assert(con != NULL); 1486 1487 if (!dpy_ui_info_supported(con)) { 1488 return -1; 1489 } 1490 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) { 1491 /* nothing changed -- ignore */ 1492 return 0; 1493 } 1494 1495 /* 1496 * Typically we get a flood of these as the user resizes the window. 1497 * Wait until the dust has settled (one second without updates), then 1498 * go notify the guest. 1499 */ 1500 con->ui_info = *info; 1501 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000); 1502 return 0; 1503 } 1504 1505 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h) 1506 { 1507 DisplayState *s = con->ds; 1508 DisplayChangeListener *dcl; 1509 int width = w; 1510 int height = h; 1511 1512 if (con->surface) { 1513 width = surface_width(con->surface); 1514 height = surface_height(con->surface); 1515 } 1516 x = MAX(x, 0); 1517 y = MAX(y, 0); 1518 x = MIN(x, width); 1519 y = MIN(y, height); 1520 w = MIN(w, width - x); 1521 h = MIN(h, height - y); 1522 1523 if (!qemu_console_is_visible(con)) { 1524 return; 1525 } 1526 QLIST_FOREACH(dcl, &s->listeners, next) { 1527 if (con != (dcl->con ? dcl->con : active_console)) { 1528 continue; 1529 } 1530 if (dcl->ops->dpy_gfx_update) { 1531 dcl->ops->dpy_gfx_update(dcl, x, y, w, h); 1532 } 1533 } 1534 } 1535 1536 void dpy_gfx_replace_surface(QemuConsole *con, 1537 DisplaySurface *surface) 1538 { 1539 DisplayState *s = con->ds; 1540 DisplaySurface *old_surface = con->surface; 1541 DisplayChangeListener *dcl; 1542 1543 assert(old_surface != surface); 1544 1545 con->surface = surface; 1546 QLIST_FOREACH(dcl, &s->listeners, next) { 1547 if (con != (dcl->con ? dcl->con : active_console)) { 1548 continue; 1549 } 1550 if (dcl->ops->dpy_gfx_switch) { 1551 dcl->ops->dpy_gfx_switch(dcl, surface); 1552 } 1553 } 1554 qemu_free_displaysurface(old_surface); 1555 } 1556 1557 bool dpy_gfx_check_format(QemuConsole *con, 1558 pixman_format_code_t format) 1559 { 1560 DisplayChangeListener *dcl; 1561 DisplayState *s = con->ds; 1562 1563 QLIST_FOREACH(dcl, &s->listeners, next) { 1564 if (dcl->con && dcl->con != con) { 1565 /* dcl bound to another console -> skip */ 1566 continue; 1567 } 1568 if (dcl->ops->dpy_gfx_check_format) { 1569 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) { 1570 return false; 1571 } 1572 } else { 1573 /* default is to whitelist native 32 bpp only */ 1574 if (format != qemu_default_pixman_format(32, true)) { 1575 return false; 1576 } 1577 } 1578 } 1579 return true; 1580 } 1581 1582 /* 1583 * Safe DPY refresh for TCG guests. We use the exclusive mechanism to 1584 * ensure the TCG vCPUs are quiescent so we can avoid races between 1585 * dirty page tracking for direct frame-buffer access by the guest. 1586 * 1587 * This is a temporary stopgap until we've fixed the dirty tracking 1588 * races in display adapters. 1589 */ 1590 static void do_safe_dpy_refresh(DisplayChangeListener *dcl) 1591 { 1592 qemu_mutex_unlock_iothread(); 1593 start_exclusive(); 1594 qemu_mutex_lock_iothread(); 1595 dcl->ops->dpy_refresh(dcl); 1596 qemu_mutex_unlock_iothread(); 1597 end_exclusive(); 1598 qemu_mutex_lock_iothread(); 1599 } 1600 1601 static void dpy_refresh(DisplayState *s) 1602 { 1603 DisplayChangeListener *dcl; 1604 1605 QLIST_FOREACH(dcl, &s->listeners, next) { 1606 if (dcl->ops->dpy_refresh) { 1607 if (tcg_enabled()) { 1608 do_safe_dpy_refresh(dcl); 1609 } else { 1610 dcl->ops->dpy_refresh(dcl); 1611 } 1612 } 1613 } 1614 } 1615 1616 void dpy_text_cursor(QemuConsole *con, int x, int y) 1617 { 1618 DisplayState *s = con->ds; 1619 DisplayChangeListener *dcl; 1620 1621 if (!qemu_console_is_visible(con)) { 1622 return; 1623 } 1624 QLIST_FOREACH(dcl, &s->listeners, next) { 1625 if (con != (dcl->con ? dcl->con : active_console)) { 1626 continue; 1627 } 1628 if (dcl->ops->dpy_text_cursor) { 1629 dcl->ops->dpy_text_cursor(dcl, x, y); 1630 } 1631 } 1632 } 1633 1634 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h) 1635 { 1636 DisplayState *s = con->ds; 1637 DisplayChangeListener *dcl; 1638 1639 if (!qemu_console_is_visible(con)) { 1640 return; 1641 } 1642 QLIST_FOREACH(dcl, &s->listeners, next) { 1643 if (con != (dcl->con ? dcl->con : active_console)) { 1644 continue; 1645 } 1646 if (dcl->ops->dpy_text_update) { 1647 dcl->ops->dpy_text_update(dcl, x, y, w, h); 1648 } 1649 } 1650 } 1651 1652 void dpy_text_resize(QemuConsole *con, int w, int h) 1653 { 1654 DisplayState *s = con->ds; 1655 DisplayChangeListener *dcl; 1656 1657 if (!qemu_console_is_visible(con)) { 1658 return; 1659 } 1660 QLIST_FOREACH(dcl, &s->listeners, next) { 1661 if (con != (dcl->con ? dcl->con : active_console)) { 1662 continue; 1663 } 1664 if (dcl->ops->dpy_text_resize) { 1665 dcl->ops->dpy_text_resize(dcl, w, h); 1666 } 1667 } 1668 } 1669 1670 void dpy_mouse_set(QemuConsole *con, int x, int y, int on) 1671 { 1672 DisplayState *s = con->ds; 1673 DisplayChangeListener *dcl; 1674 1675 if (!qemu_console_is_visible(con)) { 1676 return; 1677 } 1678 QLIST_FOREACH(dcl, &s->listeners, next) { 1679 if (con != (dcl->con ? dcl->con : active_console)) { 1680 continue; 1681 } 1682 if (dcl->ops->dpy_mouse_set) { 1683 dcl->ops->dpy_mouse_set(dcl, x, y, on); 1684 } 1685 } 1686 } 1687 1688 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor) 1689 { 1690 DisplayState *s = con->ds; 1691 DisplayChangeListener *dcl; 1692 1693 if (!qemu_console_is_visible(con)) { 1694 return; 1695 } 1696 QLIST_FOREACH(dcl, &s->listeners, next) { 1697 if (con != (dcl->con ? dcl->con : active_console)) { 1698 continue; 1699 } 1700 if (dcl->ops->dpy_cursor_define) { 1701 dcl->ops->dpy_cursor_define(dcl, cursor); 1702 } 1703 } 1704 } 1705 1706 bool dpy_cursor_define_supported(QemuConsole *con) 1707 { 1708 DisplayState *s = con->ds; 1709 DisplayChangeListener *dcl; 1710 1711 QLIST_FOREACH(dcl, &s->listeners, next) { 1712 if (dcl->ops->dpy_cursor_define) { 1713 return true; 1714 } 1715 } 1716 return false; 1717 } 1718 1719 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con, 1720 struct QEMUGLParams *qparams) 1721 { 1722 assert(con->gl); 1723 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams); 1724 } 1725 1726 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx) 1727 { 1728 assert(con->gl); 1729 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx); 1730 } 1731 1732 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx) 1733 { 1734 assert(con->gl); 1735 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx); 1736 } 1737 1738 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con) 1739 { 1740 assert(con->gl); 1741 return con->gl->ops->dpy_gl_ctx_get_current(con->gl); 1742 } 1743 1744 void dpy_gl_scanout_disable(QemuConsole *con) 1745 { 1746 assert(con->gl); 1747 if (con->gl->ops->dpy_gl_scanout_disable) { 1748 con->gl->ops->dpy_gl_scanout_disable(con->gl); 1749 } else { 1750 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0, 1751 0, 0, 0, 0); 1752 } 1753 } 1754 1755 void dpy_gl_scanout_texture(QemuConsole *con, 1756 uint32_t backing_id, 1757 bool backing_y_0_top, 1758 uint32_t backing_width, 1759 uint32_t backing_height, 1760 uint32_t x, uint32_t y, 1761 uint32_t width, uint32_t height) 1762 { 1763 assert(con->gl); 1764 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id, 1765 backing_y_0_top, 1766 backing_width, backing_height, 1767 x, y, width, height); 1768 } 1769 1770 void dpy_gl_update(QemuConsole *con, 1771 uint32_t x, uint32_t y, uint32_t w, uint32_t h) 1772 { 1773 assert(con->gl); 1774 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h); 1775 } 1776 1777 /***********************************************************/ 1778 /* register display */ 1779 1780 /* console.c internal use only */ 1781 static DisplayState *get_alloc_displaystate(void) 1782 { 1783 if (!display_state) { 1784 display_state = g_new0(DisplayState, 1); 1785 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME, 1786 text_console_update_cursor, NULL); 1787 } 1788 return display_state; 1789 } 1790 1791 /* 1792 * Called by main(), after creating QemuConsoles 1793 * and before initializing ui (sdl/vnc/...). 1794 */ 1795 DisplayState *init_displaystate(void) 1796 { 1797 gchar *name; 1798 int i; 1799 1800 get_alloc_displaystate(); 1801 for (i = 0; i < nb_consoles; i++) { 1802 if (consoles[i]->console_type != GRAPHIC_CONSOLE && 1803 consoles[i]->ds == NULL) { 1804 text_console_do_init(consoles[i]->chr, display_state); 1805 } 1806 1807 /* Hook up into the qom tree here (not in new_console()), once 1808 * all QemuConsoles are created and the order / numbering 1809 * doesn't change any more */ 1810 name = g_strdup_printf("console[%d]", i); 1811 object_property_add_child(container_get(object_get_root(), "/backend"), 1812 name, OBJECT(consoles[i]), &error_abort); 1813 g_free(name); 1814 } 1815 1816 return display_state; 1817 } 1818 1819 void graphic_console_set_hwops(QemuConsole *con, 1820 const GraphicHwOps *hw_ops, 1821 void *opaque) 1822 { 1823 con->hw_ops = hw_ops; 1824 con->hw = opaque; 1825 } 1826 1827 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head, 1828 const GraphicHwOps *hw_ops, 1829 void *opaque) 1830 { 1831 static const char noinit[] = 1832 "Guest has not initialized the display (yet)."; 1833 int width = 640; 1834 int height = 480; 1835 QemuConsole *s; 1836 DisplayState *ds; 1837 1838 ds = get_alloc_displaystate(); 1839 trace_console_gfx_new(); 1840 s = new_console(ds, GRAPHIC_CONSOLE, head); 1841 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s); 1842 graphic_console_set_hwops(s, hw_ops, opaque); 1843 if (dev) { 1844 object_property_set_link(OBJECT(s), OBJECT(dev), "device", 1845 &error_abort); 1846 } 1847 1848 s->surface = qemu_create_message_surface(width, height, noinit); 1849 return s; 1850 } 1851 1852 QemuConsole *qemu_console_lookup_by_index(unsigned int index) 1853 { 1854 if (index >= nb_consoles) { 1855 return NULL; 1856 } 1857 return consoles[index]; 1858 } 1859 1860 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head) 1861 { 1862 Object *obj; 1863 uint32_t h; 1864 int i; 1865 1866 for (i = 0; i < nb_consoles; i++) { 1867 if (!consoles[i]) { 1868 continue; 1869 } 1870 obj = object_property_get_link(OBJECT(consoles[i]), 1871 "device", &error_abort); 1872 if (DEVICE(obj) != dev) { 1873 continue; 1874 } 1875 h = object_property_get_int(OBJECT(consoles[i]), 1876 "head", &error_abort); 1877 if (h != head) { 1878 continue; 1879 } 1880 return consoles[i]; 1881 } 1882 return NULL; 1883 } 1884 1885 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id, 1886 uint32_t head, Error **errp) 1887 { 1888 DeviceState *dev; 1889 QemuConsole *con; 1890 1891 dev = qdev_find_recursive(sysbus_get_default(), device_id); 1892 if (dev == NULL) { 1893 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, 1894 "Device '%s' not found", device_id); 1895 return NULL; 1896 } 1897 1898 con = qemu_console_lookup_by_device(dev, head); 1899 if (con == NULL) { 1900 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole", 1901 device_id, head); 1902 return NULL; 1903 } 1904 1905 return con; 1906 } 1907 1908 bool qemu_console_is_visible(QemuConsole *con) 1909 { 1910 return (con == active_console) || (con->dcls > 0); 1911 } 1912 1913 bool qemu_console_is_graphic(QemuConsole *con) 1914 { 1915 if (con == NULL) { 1916 con = active_console; 1917 } 1918 return con && (con->console_type == GRAPHIC_CONSOLE); 1919 } 1920 1921 bool qemu_console_is_fixedsize(QemuConsole *con) 1922 { 1923 if (con == NULL) { 1924 con = active_console; 1925 } 1926 return con && (con->console_type != TEXT_CONSOLE); 1927 } 1928 1929 bool qemu_console_is_gl_blocked(QemuConsole *con) 1930 { 1931 assert(con != NULL); 1932 return con->gl_block; 1933 } 1934 1935 char *qemu_console_get_label(QemuConsole *con) 1936 { 1937 if (con->console_type == GRAPHIC_CONSOLE) { 1938 if (con->device) { 1939 return g_strdup(object_get_typename(con->device)); 1940 } 1941 return g_strdup("VGA"); 1942 } else { 1943 if (con->chr && con->chr->label) { 1944 return g_strdup(con->chr->label); 1945 } 1946 return g_strdup_printf("vc%d", con->index); 1947 } 1948 } 1949 1950 int qemu_console_get_index(QemuConsole *con) 1951 { 1952 if (con == NULL) { 1953 con = active_console; 1954 } 1955 return con ? con->index : -1; 1956 } 1957 1958 uint32_t qemu_console_get_head(QemuConsole *con) 1959 { 1960 if (con == NULL) { 1961 con = active_console; 1962 } 1963 return con ? con->head : -1; 1964 } 1965 1966 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con) 1967 { 1968 assert(con != NULL); 1969 return &con->ui_info; 1970 } 1971 1972 int qemu_console_get_width(QemuConsole *con, int fallback) 1973 { 1974 if (con == NULL) { 1975 con = active_console; 1976 } 1977 return con ? surface_width(con->surface) : fallback; 1978 } 1979 1980 int qemu_console_get_height(QemuConsole *con, int fallback) 1981 { 1982 if (con == NULL) { 1983 con = active_console; 1984 } 1985 return con ? surface_height(con->surface) : fallback; 1986 } 1987 1988 static void vc_chr_set_echo(Chardev *chr, bool echo) 1989 { 1990 VCChardev *drv = VC_CHARDEV(chr); 1991 QemuConsole *s = drv->console; 1992 1993 s->echo = echo; 1994 } 1995 1996 static void text_console_update_cursor_timer(void) 1997 { 1998 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) 1999 + CONSOLE_CURSOR_PERIOD / 2); 2000 } 2001 2002 static void text_console_update_cursor(void *opaque) 2003 { 2004 QemuConsole *s; 2005 int i, count = 0; 2006 2007 cursor_visible_phase = !cursor_visible_phase; 2008 2009 for (i = 0; i < nb_consoles; i++) { 2010 s = consoles[i]; 2011 if (qemu_console_is_graphic(s) || 2012 !qemu_console_is_visible(s)) { 2013 continue; 2014 } 2015 count++; 2016 graphic_hw_invalidate(s); 2017 } 2018 2019 if (count) { 2020 text_console_update_cursor_timer(); 2021 } 2022 } 2023 2024 static const GraphicHwOps text_console_ops = { 2025 .invalidate = text_console_invalidate, 2026 .text_update = text_console_update, 2027 }; 2028 2029 static void text_console_do_init(Chardev *chr, DisplayState *ds) 2030 { 2031 VCChardev *drv = VC_CHARDEV(chr); 2032 QemuConsole *s = drv->console; 2033 int g_width = 80 * FONT_WIDTH; 2034 int g_height = 24 * FONT_HEIGHT; 2035 2036 s->out_fifo.buf = s->out_fifo_buf; 2037 s->out_fifo.buf_size = sizeof(s->out_fifo_buf); 2038 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s); 2039 s->ds = ds; 2040 2041 s->y_displayed = 0; 2042 s->y_base = 0; 2043 s->total_height = DEFAULT_BACKSCROLL; 2044 s->x = 0; 2045 s->y = 0; 2046 if (!s->surface) { 2047 if (active_console && active_console->surface) { 2048 g_width = surface_width(active_console->surface); 2049 g_height = surface_height(active_console->surface); 2050 } 2051 s->surface = qemu_create_displaysurface(g_width, g_height); 2052 } 2053 2054 s->hw_ops = &text_console_ops; 2055 s->hw = s; 2056 2057 /* Set text attribute defaults */ 2058 s->t_attrib_default.bold = 0; 2059 s->t_attrib_default.uline = 0; 2060 s->t_attrib_default.blink = 0; 2061 s->t_attrib_default.invers = 0; 2062 s->t_attrib_default.unvisible = 0; 2063 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE; 2064 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK; 2065 /* set current text attributes to default */ 2066 s->t_attrib = s->t_attrib_default; 2067 text_console_resize(s); 2068 2069 if (chr->label) { 2070 char msg[128]; 2071 int len; 2072 2073 s->t_attrib.bgcol = QEMU_COLOR_BLUE; 2074 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label); 2075 vc_chr_write(chr, (uint8_t *)msg, len); 2076 s->t_attrib = s->t_attrib_default; 2077 } 2078 2079 qemu_chr_be_event(chr, CHR_EVENT_OPENED); 2080 } 2081 2082 static void vc_chr_open(Chardev *chr, 2083 ChardevBackend *backend, 2084 bool *be_opened, 2085 Error **errp) 2086 { 2087 ChardevVC *vc = backend->u.vc.data; 2088 VCChardev *drv = VC_CHARDEV(chr); 2089 QemuConsole *s; 2090 unsigned width = 0; 2091 unsigned height = 0; 2092 2093 if (vc->has_width) { 2094 width = vc->width; 2095 } else if (vc->has_cols) { 2096 width = vc->cols * FONT_WIDTH; 2097 } 2098 2099 if (vc->has_height) { 2100 height = vc->height; 2101 } else if (vc->has_rows) { 2102 height = vc->rows * FONT_HEIGHT; 2103 } 2104 2105 trace_console_txt_new(width, height); 2106 if (width == 0 || height == 0) { 2107 s = new_console(NULL, TEXT_CONSOLE, 0); 2108 } else { 2109 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0); 2110 s->surface = qemu_create_displaysurface(width, height); 2111 } 2112 2113 if (!s) { 2114 error_setg(errp, "cannot create text console"); 2115 return; 2116 } 2117 2118 s->chr = chr; 2119 drv->console = s; 2120 2121 if (display_state) { 2122 text_console_do_init(chr, display_state); 2123 } 2124 2125 /* console/chardev init sometimes completes elsewhere in a 2nd 2126 * stage, so defer OPENED events until they are fully initialized 2127 */ 2128 *be_opened = false; 2129 } 2130 2131 void qemu_console_resize(QemuConsole *s, int width, int height) 2132 { 2133 DisplaySurface *surface; 2134 2135 assert(s->console_type == GRAPHIC_CONSOLE); 2136 2137 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) && 2138 pixman_image_get_width(s->surface->image) == width && 2139 pixman_image_get_height(s->surface->image) == height) { 2140 return; 2141 } 2142 2143 surface = qemu_create_displaysurface(width, height); 2144 dpy_gfx_replace_surface(s, surface); 2145 } 2146 2147 DisplaySurface *qemu_console_surface(QemuConsole *console) 2148 { 2149 return console->surface; 2150 } 2151 2152 PixelFormat qemu_default_pixelformat(int bpp) 2153 { 2154 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true); 2155 PixelFormat pf = qemu_pixelformat_from_pixman(fmt); 2156 return pf; 2157 } 2158 2159 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp) 2160 { 2161 int val; 2162 ChardevVC *vc; 2163 2164 backend->type = CHARDEV_BACKEND_KIND_VC; 2165 vc = backend->u.vc.data = g_new0(ChardevVC, 1); 2166 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc)); 2167 2168 val = qemu_opt_get_number(opts, "width", 0); 2169 if (val != 0) { 2170 vc->has_width = true; 2171 vc->width = val; 2172 } 2173 2174 val = qemu_opt_get_number(opts, "height", 0); 2175 if (val != 0) { 2176 vc->has_height = true; 2177 vc->height = val; 2178 } 2179 2180 val = qemu_opt_get_number(opts, "cols", 0); 2181 if (val != 0) { 2182 vc->has_cols = true; 2183 vc->cols = val; 2184 } 2185 2186 val = qemu_opt_get_number(opts, "rows", 0); 2187 if (val != 0) { 2188 vc->has_rows = true; 2189 vc->rows = val; 2190 } 2191 } 2192 2193 static const TypeInfo qemu_console_info = { 2194 .name = TYPE_QEMU_CONSOLE, 2195 .parent = TYPE_OBJECT, 2196 .instance_size = sizeof(QemuConsole), 2197 .class_size = sizeof(QemuConsoleClass), 2198 }; 2199 2200 static void char_vc_class_init(ObjectClass *oc, void *data) 2201 { 2202 ChardevClass *cc = CHARDEV_CLASS(oc); 2203 2204 cc->parse = qemu_chr_parse_vc; 2205 cc->open = vc_chr_open; 2206 cc->chr_write = vc_chr_write; 2207 cc->chr_set_echo = vc_chr_set_echo; 2208 } 2209 2210 static const TypeInfo char_vc_type_info = { 2211 .name = TYPE_CHARDEV_VC, 2212 .parent = TYPE_CHARDEV, 2213 .instance_size = sizeof(VCChardev), 2214 .class_init = char_vc_class_init, 2215 }; 2216 2217 void qemu_console_early_init(void) 2218 { 2219 /* set the default vc driver */ 2220 if (!object_class_by_name(TYPE_CHARDEV_VC)) { 2221 type_register(&char_vc_type_info); 2222 } 2223 } 2224 2225 static void register_types(void) 2226 { 2227 type_register_static(&qemu_console_info); 2228 } 2229 2230 type_init(register_types); 2231