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 "chardev/char-fe.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 == ';' || ch == '?') { 884 break; 885 } 886 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1], 887 ch, s->nb_esc_params); 888 s->state = TTY_STATE_NORM; 889 switch(ch) { 890 case 'A': 891 /* move cursor up */ 892 if (s->esc_params[0] == 0) { 893 s->esc_params[0] = 1; 894 } 895 set_cursor(s, s->x, s->y - s->esc_params[0]); 896 break; 897 case 'B': 898 /* move cursor down */ 899 if (s->esc_params[0] == 0) { 900 s->esc_params[0] = 1; 901 } 902 set_cursor(s, s->x, s->y + s->esc_params[0]); 903 break; 904 case 'C': 905 /* move cursor right */ 906 if (s->esc_params[0] == 0) { 907 s->esc_params[0] = 1; 908 } 909 set_cursor(s, s->x + s->esc_params[0], s->y); 910 break; 911 case 'D': 912 /* move cursor left */ 913 if (s->esc_params[0] == 0) { 914 s->esc_params[0] = 1; 915 } 916 set_cursor(s, s->x - s->esc_params[0], s->y); 917 break; 918 case 'G': 919 /* move cursor to column */ 920 set_cursor(s, s->esc_params[0] - 1, s->y); 921 break; 922 case 'f': 923 case 'H': 924 /* move cursor to row, column */ 925 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1); 926 break; 927 case 'J': 928 switch (s->esc_params[0]) { 929 case 0: 930 /* clear to end of screen */ 931 for (y = s->y; y < s->height; y++) { 932 for (x = 0; x < s->width; x++) { 933 if (y == s->y && x < s->x) { 934 continue; 935 } 936 console_clear_xy(s, x, y); 937 } 938 } 939 break; 940 case 1: 941 /* clear from beginning of screen */ 942 for (y = 0; y <= s->y; y++) { 943 for (x = 0; x < s->width; x++) { 944 if (y == s->y && x > s->x) { 945 break; 946 } 947 console_clear_xy(s, x, y); 948 } 949 } 950 break; 951 case 2: 952 /* clear entire screen */ 953 for (y = 0; y <= s->height; y++) { 954 for (x = 0; x < s->width; x++) { 955 console_clear_xy(s, x, y); 956 } 957 } 958 break; 959 } 960 break; 961 case 'K': 962 switch (s->esc_params[0]) { 963 case 0: 964 /* clear to eol */ 965 for(x = s->x; x < s->width; x++) { 966 console_clear_xy(s, x, s->y); 967 } 968 break; 969 case 1: 970 /* clear from beginning of line */ 971 for (x = 0; x <= s->x; x++) { 972 console_clear_xy(s, x, s->y); 973 } 974 break; 975 case 2: 976 /* clear entire line */ 977 for(x = 0; x < s->width; x++) { 978 console_clear_xy(s, x, s->y); 979 } 980 break; 981 } 982 break; 983 case 'm': 984 console_handle_escape(s); 985 break; 986 case 'n': 987 switch (s->esc_params[0]) { 988 case 5: 989 /* report console status (always succeed)*/ 990 console_respond_str(s, "\033[0n"); 991 break; 992 case 6: 993 /* report cursor position */ 994 sprintf(response, "\033[%d;%dR", 995 (s->y_base + s->y) % s->total_height + 1, 996 s->x + 1); 997 console_respond_str(s, response); 998 break; 999 } 1000 break; 1001 case 's': 1002 /* save cursor position */ 1003 s->x_saved = s->x; 1004 s->y_saved = s->y; 1005 break; 1006 case 'u': 1007 /* restore cursor position */ 1008 s->x = s->x_saved; 1009 s->y = s->y_saved; 1010 break; 1011 default: 1012 trace_console_putchar_unhandled(ch); 1013 break; 1014 } 1015 break; 1016 } 1017 } 1018 } 1019 1020 void console_select(unsigned int index) 1021 { 1022 DisplayChangeListener *dcl; 1023 QemuConsole *s; 1024 1025 trace_console_select(index); 1026 s = qemu_console_lookup_by_index(index); 1027 if (s) { 1028 DisplayState *ds = s->ds; 1029 1030 active_console = s; 1031 if (ds->have_gfx) { 1032 QLIST_FOREACH(dcl, &ds->listeners, next) { 1033 if (dcl->con != NULL) { 1034 continue; 1035 } 1036 if (dcl->ops->dpy_gfx_switch) { 1037 dcl->ops->dpy_gfx_switch(dcl, s->surface); 1038 } 1039 } 1040 dpy_gfx_update(s, 0, 0, surface_width(s->surface), 1041 surface_height(s->surface)); 1042 } 1043 if (ds->have_text) { 1044 dpy_text_resize(s, s->width, s->height); 1045 } 1046 text_console_update_cursor(NULL); 1047 } 1048 } 1049 1050 typedef struct VCChardev { 1051 Chardev parent; 1052 QemuConsole *console; 1053 } VCChardev; 1054 1055 #define TYPE_CHARDEV_VC "chardev-vc" 1056 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC) 1057 1058 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len) 1059 { 1060 VCChardev *drv = VC_CHARDEV(chr); 1061 QemuConsole *s = drv->console; 1062 int i; 1063 1064 if (!s->ds) { 1065 return 0; 1066 } 1067 1068 s->update_x0 = s->width * FONT_WIDTH; 1069 s->update_y0 = s->height * FONT_HEIGHT; 1070 s->update_x1 = 0; 1071 s->update_y1 = 0; 1072 console_show_cursor(s, 0); 1073 for(i = 0; i < len; i++) { 1074 console_putchar(s, buf[i]); 1075 } 1076 console_show_cursor(s, 1); 1077 if (s->ds->have_gfx && s->update_x0 < s->update_x1) { 1078 dpy_gfx_update(s, s->update_x0, s->update_y0, 1079 s->update_x1 - s->update_x0, 1080 s->update_y1 - s->update_y0); 1081 } 1082 return len; 1083 } 1084 1085 static void kbd_send_chars(void *opaque) 1086 { 1087 QemuConsole *s = opaque; 1088 int len; 1089 uint8_t buf[16]; 1090 1091 len = qemu_chr_be_can_write(s->chr); 1092 if (len > s->out_fifo.count) 1093 len = s->out_fifo.count; 1094 if (len > 0) { 1095 if (len > sizeof(buf)) 1096 len = sizeof(buf); 1097 qemu_fifo_read(&s->out_fifo, buf, len); 1098 qemu_chr_be_write(s->chr, buf, len); 1099 } 1100 /* characters are pending: we send them a bit later (XXX: 1101 horrible, should change char device API) */ 1102 if (s->out_fifo.count > 0) { 1103 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1); 1104 } 1105 } 1106 1107 /* called when an ascii key is pressed */ 1108 void kbd_put_keysym_console(QemuConsole *s, int keysym) 1109 { 1110 uint8_t buf[16], *q; 1111 CharBackend *be; 1112 int c; 1113 1114 if (!s || (s->console_type == GRAPHIC_CONSOLE)) 1115 return; 1116 1117 switch(keysym) { 1118 case QEMU_KEY_CTRL_UP: 1119 console_scroll(s, -1); 1120 break; 1121 case QEMU_KEY_CTRL_DOWN: 1122 console_scroll(s, 1); 1123 break; 1124 case QEMU_KEY_CTRL_PAGEUP: 1125 console_scroll(s, -10); 1126 break; 1127 case QEMU_KEY_CTRL_PAGEDOWN: 1128 console_scroll(s, 10); 1129 break; 1130 default: 1131 /* convert the QEMU keysym to VT100 key string */ 1132 q = buf; 1133 if (keysym >= 0xe100 && keysym <= 0xe11f) { 1134 *q++ = '\033'; 1135 *q++ = '['; 1136 c = keysym - 0xe100; 1137 if (c >= 10) 1138 *q++ = '0' + (c / 10); 1139 *q++ = '0' + (c % 10); 1140 *q++ = '~'; 1141 } else if (keysym >= 0xe120 && keysym <= 0xe17f) { 1142 *q++ = '\033'; 1143 *q++ = '['; 1144 *q++ = keysym & 0xff; 1145 } else if (s->echo && (keysym == '\r' || keysym == '\n')) { 1146 vc_chr_write(s->chr, (const uint8_t *) "\r", 1); 1147 *q++ = '\n'; 1148 } else { 1149 *q++ = keysym; 1150 } 1151 if (s->echo) { 1152 vc_chr_write(s->chr, buf, q - buf); 1153 } 1154 be = s->chr->be; 1155 if (be && be->chr_read) { 1156 qemu_fifo_write(&s->out_fifo, buf, q - buf); 1157 kbd_send_chars(s); 1158 } 1159 break; 1160 } 1161 } 1162 1163 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = { 1164 [Q_KEY_CODE_UP] = QEMU_KEY_UP, 1165 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN, 1166 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT, 1167 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT, 1168 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME, 1169 [Q_KEY_CODE_END] = QEMU_KEY_END, 1170 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP, 1171 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN, 1172 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE, 1173 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE, 1174 }; 1175 1176 bool kbd_put_qcode_console(QemuConsole *s, int qcode) 1177 { 1178 int keysym; 1179 1180 keysym = qcode_to_keysym[qcode]; 1181 if (keysym == 0) { 1182 return false; 1183 } 1184 kbd_put_keysym_console(s, keysym); 1185 return true; 1186 } 1187 1188 void kbd_put_string_console(QemuConsole *s, const char *str, int len) 1189 { 1190 int i; 1191 1192 for (i = 0; i < len && str[i]; i++) { 1193 kbd_put_keysym_console(s, str[i]); 1194 } 1195 } 1196 1197 void kbd_put_keysym(int keysym) 1198 { 1199 kbd_put_keysym_console(active_console, keysym); 1200 } 1201 1202 static void text_console_invalidate(void *opaque) 1203 { 1204 QemuConsole *s = (QemuConsole *) opaque; 1205 1206 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) { 1207 text_console_resize(s); 1208 } 1209 console_refresh(s); 1210 } 1211 1212 static void text_console_update(void *opaque, console_ch_t *chardata) 1213 { 1214 QemuConsole *s = (QemuConsole *) opaque; 1215 int i, j, src; 1216 1217 if (s->text_x[0] <= s->text_x[1]) { 1218 src = (s->y_base + s->text_y[0]) * s->width; 1219 chardata += s->text_y[0] * s->width; 1220 for (i = s->text_y[0]; i <= s->text_y[1]; i ++) 1221 for (j = 0; j < s->width; j++, src++) { 1222 console_write_ch(chardata ++, 1223 ATTR2CHTYPE(s->cells[src].ch, 1224 s->cells[src].t_attrib.fgcol, 1225 s->cells[src].t_attrib.bgcol, 1226 s->cells[src].t_attrib.bold)); 1227 } 1228 dpy_text_update(s, s->text_x[0], s->text_y[0], 1229 s->text_x[1] - s->text_x[0], i - s->text_y[0]); 1230 s->text_x[0] = s->width; 1231 s->text_y[0] = s->height; 1232 s->text_x[1] = 0; 1233 s->text_y[1] = 0; 1234 } 1235 if (s->cursor_invalidate) { 1236 dpy_text_cursor(s, s->x, s->y); 1237 s->cursor_invalidate = 0; 1238 } 1239 } 1240 1241 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type, 1242 uint32_t head) 1243 { 1244 Object *obj; 1245 QemuConsole *s; 1246 int i; 1247 1248 obj = object_new(TYPE_QEMU_CONSOLE); 1249 s = QEMU_CONSOLE(obj); 1250 s->head = head; 1251 object_property_add_link(obj, "device", TYPE_DEVICE, 1252 (Object **)&s->device, 1253 object_property_allow_set_link, 1254 OBJ_PROP_LINK_UNREF_ON_RELEASE, 1255 &error_abort); 1256 object_property_add_uint32_ptr(obj, "head", 1257 &s->head, &error_abort); 1258 1259 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) && 1260 (console_type == GRAPHIC_CONSOLE))) { 1261 active_console = s; 1262 } 1263 s->ds = ds; 1264 s->console_type = console_type; 1265 1266 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1)); 1267 if (console_type != GRAPHIC_CONSOLE) { 1268 s->index = nb_consoles; 1269 consoles[nb_consoles++] = s; 1270 } else { 1271 /* HACK: Put graphical consoles before text consoles. */ 1272 for (i = nb_consoles; i > 0; i--) { 1273 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE) 1274 break; 1275 consoles[i] = consoles[i - 1]; 1276 consoles[i]->index = i; 1277 } 1278 s->index = i; 1279 consoles[i] = s; 1280 nb_consoles++; 1281 } 1282 return s; 1283 } 1284 1285 static void qemu_alloc_display(DisplaySurface *surface, int width, int height) 1286 { 1287 qemu_pixman_image_unref(surface->image); 1288 surface->image = NULL; 1289 1290 surface->format = PIXMAN_x8r8g8b8; 1291 surface->image = pixman_image_create_bits(surface->format, 1292 width, height, 1293 NULL, width * 4); 1294 assert(surface->image != NULL); 1295 1296 surface->flags = QEMU_ALLOCATED_FLAG; 1297 } 1298 1299 DisplaySurface *qemu_create_displaysurface(int width, int height) 1300 { 1301 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1302 1303 trace_displaysurface_create(surface, width, height); 1304 qemu_alloc_display(surface, width, height); 1305 return surface; 1306 } 1307 1308 DisplaySurface *qemu_create_displaysurface_from(int width, int height, 1309 pixman_format_code_t format, 1310 int linesize, uint8_t *data) 1311 { 1312 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1313 1314 trace_displaysurface_create_from(surface, width, height, format); 1315 surface->format = format; 1316 surface->image = pixman_image_create_bits(surface->format, 1317 width, height, 1318 (void *)data, linesize); 1319 assert(surface->image != NULL); 1320 1321 return surface; 1322 } 1323 1324 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image) 1325 { 1326 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1327 1328 trace_displaysurface_create_pixman(surface); 1329 surface->format = pixman_image_get_format(image); 1330 surface->image = pixman_image_ref(image); 1331 1332 return surface; 1333 } 1334 1335 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image, 1336 void *unused) 1337 { 1338 void *data = pixman_image_get_data(image); 1339 uint32_t size = pixman_image_get_stride(image) * 1340 pixman_image_get_height(image); 1341 cpu_physical_memory_unmap(data, size, 0, 0); 1342 } 1343 1344 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height, 1345 pixman_format_code_t format, 1346 int linesize, uint64_t addr) 1347 { 1348 DisplaySurface *surface; 1349 hwaddr size; 1350 void *data; 1351 1352 if (linesize == 0) { 1353 linesize = width * PIXMAN_FORMAT_BPP(format) / 8; 1354 } 1355 1356 size = (hwaddr)linesize * height; 1357 data = cpu_physical_memory_map(addr, &size, 0); 1358 if (size != (hwaddr)linesize * height) { 1359 cpu_physical_memory_unmap(data, size, 0, 0); 1360 return NULL; 1361 } 1362 1363 surface = qemu_create_displaysurface_from 1364 (width, height, format, linesize, data); 1365 pixman_image_set_destroy_function 1366 (surface->image, qemu_unmap_displaysurface_guestmem, NULL); 1367 1368 return surface; 1369 } 1370 1371 static DisplaySurface *qemu_create_message_surface(int w, int h, 1372 const char *msg) 1373 { 1374 DisplaySurface *surface = qemu_create_displaysurface(w, h); 1375 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK]; 1376 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE]; 1377 pixman_image_t *glyph; 1378 int len, x, y, i; 1379 1380 len = strlen(msg); 1381 x = (w / FONT_WIDTH - len) / 2; 1382 y = (h / FONT_HEIGHT - 1) / 2; 1383 for (i = 0; i < len; i++) { 1384 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]); 1385 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg, 1386 x+i, y, FONT_WIDTH, FONT_HEIGHT); 1387 qemu_pixman_image_unref(glyph); 1388 } 1389 return surface; 1390 } 1391 1392 void qemu_free_displaysurface(DisplaySurface *surface) 1393 { 1394 if (surface == NULL) { 1395 return; 1396 } 1397 trace_displaysurface_free(surface); 1398 qemu_pixman_image_unref(surface->image); 1399 g_free(surface); 1400 } 1401 1402 bool console_has_gl(QemuConsole *con) 1403 { 1404 return con->gl != NULL; 1405 } 1406 1407 void register_displaychangelistener(DisplayChangeListener *dcl) 1408 { 1409 static const char nodev[] = 1410 "This VM has no graphic display device."; 1411 static DisplaySurface *dummy; 1412 QemuConsole *con; 1413 1414 assert(!dcl->ds); 1415 1416 if (dcl->ops->dpy_gl_ctx_create) { 1417 /* display has opengl support */ 1418 assert(dcl->con); 1419 if (dcl->con->gl) { 1420 fprintf(stderr, "can't register two opengl displays (%s, %s)\n", 1421 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name); 1422 exit(1); 1423 } 1424 dcl->con->gl = dcl; 1425 } 1426 1427 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name); 1428 dcl->ds = get_alloc_displaystate(); 1429 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next); 1430 gui_setup_refresh(dcl->ds); 1431 if (dcl->con) { 1432 dcl->con->dcls++; 1433 con = dcl->con; 1434 } else { 1435 con = active_console; 1436 } 1437 if (dcl->ops->dpy_gfx_switch) { 1438 if (con) { 1439 dcl->ops->dpy_gfx_switch(dcl, con->surface); 1440 } else { 1441 if (!dummy) { 1442 dummy = qemu_create_message_surface(640, 480, nodev); 1443 } 1444 dcl->ops->dpy_gfx_switch(dcl, dummy); 1445 } 1446 } 1447 text_console_update_cursor(NULL); 1448 } 1449 1450 void update_displaychangelistener(DisplayChangeListener *dcl, 1451 uint64_t interval) 1452 { 1453 DisplayState *ds = dcl->ds; 1454 1455 dcl->update_interval = interval; 1456 if (!ds->refreshing && ds->update_interval > interval) { 1457 timer_mod(ds->gui_timer, ds->last_update + interval); 1458 } 1459 } 1460 1461 void unregister_displaychangelistener(DisplayChangeListener *dcl) 1462 { 1463 DisplayState *ds = dcl->ds; 1464 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name); 1465 if (dcl->con) { 1466 dcl->con->dcls--; 1467 } 1468 QLIST_REMOVE(dcl, next); 1469 gui_setup_refresh(ds); 1470 } 1471 1472 static void dpy_set_ui_info_timer(void *opaque) 1473 { 1474 QemuConsole *con = opaque; 1475 1476 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info); 1477 } 1478 1479 bool dpy_ui_info_supported(QemuConsole *con) 1480 { 1481 return con->hw_ops->ui_info != NULL; 1482 } 1483 1484 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info) 1485 { 1486 assert(con != NULL); 1487 1488 if (!dpy_ui_info_supported(con)) { 1489 return -1; 1490 } 1491 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) { 1492 /* nothing changed -- ignore */ 1493 return 0; 1494 } 1495 1496 /* 1497 * Typically we get a flood of these as the user resizes the window. 1498 * Wait until the dust has settled (one second without updates), then 1499 * go notify the guest. 1500 */ 1501 con->ui_info = *info; 1502 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000); 1503 return 0; 1504 } 1505 1506 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h) 1507 { 1508 DisplayState *s = con->ds; 1509 DisplayChangeListener *dcl; 1510 int width = w; 1511 int height = h; 1512 1513 if (con->surface) { 1514 width = surface_width(con->surface); 1515 height = surface_height(con->surface); 1516 } 1517 x = MAX(x, 0); 1518 y = MAX(y, 0); 1519 x = MIN(x, width); 1520 y = MIN(y, height); 1521 w = MIN(w, width - x); 1522 h = MIN(h, height - y); 1523 1524 if (!qemu_console_is_visible(con)) { 1525 return; 1526 } 1527 QLIST_FOREACH(dcl, &s->listeners, next) { 1528 if (con != (dcl->con ? dcl->con : active_console)) { 1529 continue; 1530 } 1531 if (dcl->ops->dpy_gfx_update) { 1532 dcl->ops->dpy_gfx_update(dcl, x, y, w, h); 1533 } 1534 } 1535 } 1536 1537 void dpy_gfx_replace_surface(QemuConsole *con, 1538 DisplaySurface *surface) 1539 { 1540 DisplayState *s = con->ds; 1541 DisplaySurface *old_surface = con->surface; 1542 DisplayChangeListener *dcl; 1543 1544 assert(old_surface != surface || surface == NULL); 1545 1546 con->surface = surface; 1547 QLIST_FOREACH(dcl, &s->listeners, next) { 1548 if (con != (dcl->con ? dcl->con : active_console)) { 1549 continue; 1550 } 1551 if (dcl->ops->dpy_gfx_switch) { 1552 dcl->ops->dpy_gfx_switch(dcl, surface); 1553 } 1554 } 1555 qemu_free_displaysurface(old_surface); 1556 } 1557 1558 bool dpy_gfx_check_format(QemuConsole *con, 1559 pixman_format_code_t format) 1560 { 1561 DisplayChangeListener *dcl; 1562 DisplayState *s = con->ds; 1563 1564 QLIST_FOREACH(dcl, &s->listeners, next) { 1565 if (dcl->con && dcl->con != con) { 1566 /* dcl bound to another console -> skip */ 1567 continue; 1568 } 1569 if (dcl->ops->dpy_gfx_check_format) { 1570 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) { 1571 return false; 1572 } 1573 } else { 1574 /* default is to whitelist native 32 bpp only */ 1575 if (format != qemu_default_pixman_format(32, true)) { 1576 return false; 1577 } 1578 } 1579 } 1580 return true; 1581 } 1582 1583 static void dpy_refresh(DisplayState *s) 1584 { 1585 DisplayChangeListener *dcl; 1586 1587 QLIST_FOREACH(dcl, &s->listeners, next) { 1588 if (dcl->ops->dpy_refresh) { 1589 dcl->ops->dpy_refresh(dcl); 1590 } 1591 } 1592 } 1593 1594 void dpy_text_cursor(QemuConsole *con, int x, int y) 1595 { 1596 DisplayState *s = con->ds; 1597 DisplayChangeListener *dcl; 1598 1599 if (!qemu_console_is_visible(con)) { 1600 return; 1601 } 1602 QLIST_FOREACH(dcl, &s->listeners, next) { 1603 if (con != (dcl->con ? dcl->con : active_console)) { 1604 continue; 1605 } 1606 if (dcl->ops->dpy_text_cursor) { 1607 dcl->ops->dpy_text_cursor(dcl, x, y); 1608 } 1609 } 1610 } 1611 1612 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h) 1613 { 1614 DisplayState *s = con->ds; 1615 DisplayChangeListener *dcl; 1616 1617 if (!qemu_console_is_visible(con)) { 1618 return; 1619 } 1620 QLIST_FOREACH(dcl, &s->listeners, next) { 1621 if (con != (dcl->con ? dcl->con : active_console)) { 1622 continue; 1623 } 1624 if (dcl->ops->dpy_text_update) { 1625 dcl->ops->dpy_text_update(dcl, x, y, w, h); 1626 } 1627 } 1628 } 1629 1630 void dpy_text_resize(QemuConsole *con, int w, int h) 1631 { 1632 DisplayState *s = con->ds; 1633 DisplayChangeListener *dcl; 1634 1635 if (!qemu_console_is_visible(con)) { 1636 return; 1637 } 1638 QLIST_FOREACH(dcl, &s->listeners, next) { 1639 if (con != (dcl->con ? dcl->con : active_console)) { 1640 continue; 1641 } 1642 if (dcl->ops->dpy_text_resize) { 1643 dcl->ops->dpy_text_resize(dcl, w, h); 1644 } 1645 } 1646 } 1647 1648 void dpy_mouse_set(QemuConsole *con, int x, int y, int on) 1649 { 1650 DisplayState *s = con->ds; 1651 DisplayChangeListener *dcl; 1652 1653 if (!qemu_console_is_visible(con)) { 1654 return; 1655 } 1656 QLIST_FOREACH(dcl, &s->listeners, next) { 1657 if (con != (dcl->con ? dcl->con : active_console)) { 1658 continue; 1659 } 1660 if (dcl->ops->dpy_mouse_set) { 1661 dcl->ops->dpy_mouse_set(dcl, x, y, on); 1662 } 1663 } 1664 } 1665 1666 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor) 1667 { 1668 DisplayState *s = con->ds; 1669 DisplayChangeListener *dcl; 1670 1671 if (!qemu_console_is_visible(con)) { 1672 return; 1673 } 1674 QLIST_FOREACH(dcl, &s->listeners, next) { 1675 if (con != (dcl->con ? dcl->con : active_console)) { 1676 continue; 1677 } 1678 if (dcl->ops->dpy_cursor_define) { 1679 dcl->ops->dpy_cursor_define(dcl, cursor); 1680 } 1681 } 1682 } 1683 1684 bool dpy_cursor_define_supported(QemuConsole *con) 1685 { 1686 DisplayState *s = con->ds; 1687 DisplayChangeListener *dcl; 1688 1689 QLIST_FOREACH(dcl, &s->listeners, next) { 1690 if (dcl->ops->dpy_cursor_define) { 1691 return true; 1692 } 1693 } 1694 return false; 1695 } 1696 1697 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con, 1698 struct QEMUGLParams *qparams) 1699 { 1700 assert(con->gl); 1701 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams); 1702 } 1703 1704 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx) 1705 { 1706 assert(con->gl); 1707 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx); 1708 } 1709 1710 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx) 1711 { 1712 assert(con->gl); 1713 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx); 1714 } 1715 1716 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con) 1717 { 1718 assert(con->gl); 1719 return con->gl->ops->dpy_gl_ctx_get_current(con->gl); 1720 } 1721 1722 void dpy_gl_scanout_disable(QemuConsole *con) 1723 { 1724 assert(con->gl); 1725 if (con->gl->ops->dpy_gl_scanout_disable) { 1726 con->gl->ops->dpy_gl_scanout_disable(con->gl); 1727 } else { 1728 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0, 1729 0, 0, 0, 0); 1730 } 1731 } 1732 1733 void dpy_gl_scanout_texture(QemuConsole *con, 1734 uint32_t backing_id, 1735 bool backing_y_0_top, 1736 uint32_t backing_width, 1737 uint32_t backing_height, 1738 uint32_t x, uint32_t y, 1739 uint32_t width, uint32_t height) 1740 { 1741 assert(con->gl); 1742 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id, 1743 backing_y_0_top, 1744 backing_width, backing_height, 1745 x, y, width, height); 1746 } 1747 1748 void dpy_gl_update(QemuConsole *con, 1749 uint32_t x, uint32_t y, uint32_t w, uint32_t h) 1750 { 1751 assert(con->gl); 1752 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h); 1753 } 1754 1755 /***********************************************************/ 1756 /* register display */ 1757 1758 /* console.c internal use only */ 1759 static DisplayState *get_alloc_displaystate(void) 1760 { 1761 if (!display_state) { 1762 display_state = g_new0(DisplayState, 1); 1763 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME, 1764 text_console_update_cursor, NULL); 1765 } 1766 return display_state; 1767 } 1768 1769 /* 1770 * Called by main(), after creating QemuConsoles 1771 * and before initializing ui (sdl/vnc/...). 1772 */ 1773 DisplayState *init_displaystate(void) 1774 { 1775 gchar *name; 1776 int i; 1777 1778 get_alloc_displaystate(); 1779 for (i = 0; i < nb_consoles; i++) { 1780 if (consoles[i]->console_type != GRAPHIC_CONSOLE && 1781 consoles[i]->ds == NULL) { 1782 text_console_do_init(consoles[i]->chr, display_state); 1783 } 1784 1785 /* Hook up into the qom tree here (not in new_console()), once 1786 * all QemuConsoles are created and the order / numbering 1787 * doesn't change any more */ 1788 name = g_strdup_printf("console[%d]", i); 1789 object_property_add_child(container_get(object_get_root(), "/backend"), 1790 name, OBJECT(consoles[i]), &error_abort); 1791 g_free(name); 1792 } 1793 1794 return display_state; 1795 } 1796 1797 void graphic_console_set_hwops(QemuConsole *con, 1798 const GraphicHwOps *hw_ops, 1799 void *opaque) 1800 { 1801 con->hw_ops = hw_ops; 1802 con->hw = opaque; 1803 } 1804 1805 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head, 1806 const GraphicHwOps *hw_ops, 1807 void *opaque) 1808 { 1809 static const char noinit[] = 1810 "Guest has not initialized the display (yet)."; 1811 int width = 640; 1812 int height = 480; 1813 QemuConsole *s; 1814 DisplayState *ds; 1815 1816 ds = get_alloc_displaystate(); 1817 trace_console_gfx_new(); 1818 s = new_console(ds, GRAPHIC_CONSOLE, head); 1819 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s); 1820 graphic_console_set_hwops(s, hw_ops, opaque); 1821 if (dev) { 1822 object_property_set_link(OBJECT(s), OBJECT(dev), "device", 1823 &error_abort); 1824 } 1825 1826 s->surface = qemu_create_message_surface(width, height, noinit); 1827 return s; 1828 } 1829 1830 QemuConsole *qemu_console_lookup_by_index(unsigned int index) 1831 { 1832 if (index >= nb_consoles) { 1833 return NULL; 1834 } 1835 return consoles[index]; 1836 } 1837 1838 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head) 1839 { 1840 Object *obj; 1841 uint32_t h; 1842 int i; 1843 1844 for (i = 0; i < nb_consoles; i++) { 1845 if (!consoles[i]) { 1846 continue; 1847 } 1848 obj = object_property_get_link(OBJECT(consoles[i]), 1849 "device", &error_abort); 1850 if (DEVICE(obj) != dev) { 1851 continue; 1852 } 1853 h = object_property_get_uint(OBJECT(consoles[i]), 1854 "head", &error_abort); 1855 if (h != head) { 1856 continue; 1857 } 1858 return consoles[i]; 1859 } 1860 return NULL; 1861 } 1862 1863 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id, 1864 uint32_t head, Error **errp) 1865 { 1866 DeviceState *dev; 1867 QemuConsole *con; 1868 1869 dev = qdev_find_recursive(sysbus_get_default(), device_id); 1870 if (dev == NULL) { 1871 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, 1872 "Device '%s' not found", device_id); 1873 return NULL; 1874 } 1875 1876 con = qemu_console_lookup_by_device(dev, head); 1877 if (con == NULL) { 1878 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole", 1879 device_id, head); 1880 return NULL; 1881 } 1882 1883 return con; 1884 } 1885 1886 bool qemu_console_is_visible(QemuConsole *con) 1887 { 1888 return (con == active_console) || (con->dcls > 0); 1889 } 1890 1891 bool qemu_console_is_graphic(QemuConsole *con) 1892 { 1893 if (con == NULL) { 1894 con = active_console; 1895 } 1896 return con && (con->console_type == GRAPHIC_CONSOLE); 1897 } 1898 1899 bool qemu_console_is_fixedsize(QemuConsole *con) 1900 { 1901 if (con == NULL) { 1902 con = active_console; 1903 } 1904 return con && (con->console_type != TEXT_CONSOLE); 1905 } 1906 1907 bool qemu_console_is_gl_blocked(QemuConsole *con) 1908 { 1909 assert(con != NULL); 1910 return con->gl_block; 1911 } 1912 1913 char *qemu_console_get_label(QemuConsole *con) 1914 { 1915 if (con->console_type == GRAPHIC_CONSOLE) { 1916 if (con->device) { 1917 return g_strdup(object_get_typename(con->device)); 1918 } 1919 return g_strdup("VGA"); 1920 } else { 1921 if (con->chr && con->chr->label) { 1922 return g_strdup(con->chr->label); 1923 } 1924 return g_strdup_printf("vc%d", con->index); 1925 } 1926 } 1927 1928 int qemu_console_get_index(QemuConsole *con) 1929 { 1930 if (con == NULL) { 1931 con = active_console; 1932 } 1933 return con ? con->index : -1; 1934 } 1935 1936 uint32_t qemu_console_get_head(QemuConsole *con) 1937 { 1938 if (con == NULL) { 1939 con = active_console; 1940 } 1941 return con ? con->head : -1; 1942 } 1943 1944 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con) 1945 { 1946 assert(con != NULL); 1947 return &con->ui_info; 1948 } 1949 1950 int qemu_console_get_width(QemuConsole *con, int fallback) 1951 { 1952 if (con == NULL) { 1953 con = active_console; 1954 } 1955 return con ? surface_width(con->surface) : fallback; 1956 } 1957 1958 int qemu_console_get_height(QemuConsole *con, int fallback) 1959 { 1960 if (con == NULL) { 1961 con = active_console; 1962 } 1963 return con ? surface_height(con->surface) : fallback; 1964 } 1965 1966 static void vc_chr_set_echo(Chardev *chr, bool echo) 1967 { 1968 VCChardev *drv = VC_CHARDEV(chr); 1969 QemuConsole *s = drv->console; 1970 1971 s->echo = echo; 1972 } 1973 1974 static void text_console_update_cursor_timer(void) 1975 { 1976 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) 1977 + CONSOLE_CURSOR_PERIOD / 2); 1978 } 1979 1980 static void text_console_update_cursor(void *opaque) 1981 { 1982 QemuConsole *s; 1983 int i, count = 0; 1984 1985 cursor_visible_phase = !cursor_visible_phase; 1986 1987 for (i = 0; i < nb_consoles; i++) { 1988 s = consoles[i]; 1989 if (qemu_console_is_graphic(s) || 1990 !qemu_console_is_visible(s)) { 1991 continue; 1992 } 1993 count++; 1994 graphic_hw_invalidate(s); 1995 } 1996 1997 if (count) { 1998 text_console_update_cursor_timer(); 1999 } 2000 } 2001 2002 static const GraphicHwOps text_console_ops = { 2003 .invalidate = text_console_invalidate, 2004 .text_update = text_console_update, 2005 }; 2006 2007 static void text_console_do_init(Chardev *chr, DisplayState *ds) 2008 { 2009 VCChardev *drv = VC_CHARDEV(chr); 2010 QemuConsole *s = drv->console; 2011 int g_width = 80 * FONT_WIDTH; 2012 int g_height = 24 * FONT_HEIGHT; 2013 2014 s->out_fifo.buf = s->out_fifo_buf; 2015 s->out_fifo.buf_size = sizeof(s->out_fifo_buf); 2016 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s); 2017 s->ds = ds; 2018 2019 s->y_displayed = 0; 2020 s->y_base = 0; 2021 s->total_height = DEFAULT_BACKSCROLL; 2022 s->x = 0; 2023 s->y = 0; 2024 if (!s->surface) { 2025 if (active_console && active_console->surface) { 2026 g_width = surface_width(active_console->surface); 2027 g_height = surface_height(active_console->surface); 2028 } 2029 s->surface = qemu_create_displaysurface(g_width, g_height); 2030 } 2031 2032 s->hw_ops = &text_console_ops; 2033 s->hw = s; 2034 2035 /* Set text attribute defaults */ 2036 s->t_attrib_default.bold = 0; 2037 s->t_attrib_default.uline = 0; 2038 s->t_attrib_default.blink = 0; 2039 s->t_attrib_default.invers = 0; 2040 s->t_attrib_default.unvisible = 0; 2041 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE; 2042 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK; 2043 /* set current text attributes to default */ 2044 s->t_attrib = s->t_attrib_default; 2045 text_console_resize(s); 2046 2047 if (chr->label) { 2048 char msg[128]; 2049 int len; 2050 2051 s->t_attrib.bgcol = QEMU_COLOR_BLUE; 2052 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label); 2053 vc_chr_write(chr, (uint8_t *)msg, len); 2054 s->t_attrib = s->t_attrib_default; 2055 } 2056 2057 qemu_chr_be_event(chr, CHR_EVENT_OPENED); 2058 } 2059 2060 static void vc_chr_open(Chardev *chr, 2061 ChardevBackend *backend, 2062 bool *be_opened, 2063 Error **errp) 2064 { 2065 ChardevVC *vc = backend->u.vc.data; 2066 VCChardev *drv = VC_CHARDEV(chr); 2067 QemuConsole *s; 2068 unsigned width = 0; 2069 unsigned height = 0; 2070 2071 if (vc->has_width) { 2072 width = vc->width; 2073 } else if (vc->has_cols) { 2074 width = vc->cols * FONT_WIDTH; 2075 } 2076 2077 if (vc->has_height) { 2078 height = vc->height; 2079 } else if (vc->has_rows) { 2080 height = vc->rows * FONT_HEIGHT; 2081 } 2082 2083 trace_console_txt_new(width, height); 2084 if (width == 0 || height == 0) { 2085 s = new_console(NULL, TEXT_CONSOLE, 0); 2086 } else { 2087 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0); 2088 s->surface = qemu_create_displaysurface(width, height); 2089 } 2090 2091 if (!s) { 2092 error_setg(errp, "cannot create text console"); 2093 return; 2094 } 2095 2096 s->chr = chr; 2097 drv->console = s; 2098 2099 if (display_state) { 2100 text_console_do_init(chr, display_state); 2101 } 2102 2103 /* console/chardev init sometimes completes elsewhere in a 2nd 2104 * stage, so defer OPENED events until they are fully initialized 2105 */ 2106 *be_opened = false; 2107 } 2108 2109 void qemu_console_resize(QemuConsole *s, int width, int height) 2110 { 2111 DisplaySurface *surface; 2112 2113 assert(s->console_type == GRAPHIC_CONSOLE); 2114 2115 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) && 2116 pixman_image_get_width(s->surface->image) == width && 2117 pixman_image_get_height(s->surface->image) == height) { 2118 return; 2119 } 2120 2121 surface = qemu_create_displaysurface(width, height); 2122 dpy_gfx_replace_surface(s, surface); 2123 } 2124 2125 DisplaySurface *qemu_console_surface(QemuConsole *console) 2126 { 2127 return console->surface; 2128 } 2129 2130 PixelFormat qemu_default_pixelformat(int bpp) 2131 { 2132 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true); 2133 PixelFormat pf = qemu_pixelformat_from_pixman(fmt); 2134 return pf; 2135 } 2136 2137 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp) 2138 { 2139 int val; 2140 ChardevVC *vc; 2141 2142 backend->type = CHARDEV_BACKEND_KIND_VC; 2143 vc = backend->u.vc.data = g_new0(ChardevVC, 1); 2144 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc)); 2145 2146 val = qemu_opt_get_number(opts, "width", 0); 2147 if (val != 0) { 2148 vc->has_width = true; 2149 vc->width = val; 2150 } 2151 2152 val = qemu_opt_get_number(opts, "height", 0); 2153 if (val != 0) { 2154 vc->has_height = true; 2155 vc->height = val; 2156 } 2157 2158 val = qemu_opt_get_number(opts, "cols", 0); 2159 if (val != 0) { 2160 vc->has_cols = true; 2161 vc->cols = val; 2162 } 2163 2164 val = qemu_opt_get_number(opts, "rows", 0); 2165 if (val != 0) { 2166 vc->has_rows = true; 2167 vc->rows = val; 2168 } 2169 } 2170 2171 static const TypeInfo qemu_console_info = { 2172 .name = TYPE_QEMU_CONSOLE, 2173 .parent = TYPE_OBJECT, 2174 .instance_size = sizeof(QemuConsole), 2175 .class_size = sizeof(QemuConsoleClass), 2176 }; 2177 2178 static void char_vc_class_init(ObjectClass *oc, void *data) 2179 { 2180 ChardevClass *cc = CHARDEV_CLASS(oc); 2181 2182 cc->parse = qemu_chr_parse_vc; 2183 cc->open = vc_chr_open; 2184 cc->chr_write = vc_chr_write; 2185 cc->chr_set_echo = vc_chr_set_echo; 2186 } 2187 2188 static const TypeInfo char_vc_type_info = { 2189 .name = TYPE_CHARDEV_VC, 2190 .parent = TYPE_CHARDEV, 2191 .instance_size = sizeof(VCChardev), 2192 .class_init = char_vc_class_init, 2193 }; 2194 2195 void qemu_console_early_init(void) 2196 { 2197 /* set the default vc driver */ 2198 if (!object_class_by_name(TYPE_CHARDEV_VC)) { 2199 type_register(&char_vc_type_info); 2200 } 2201 } 2202 2203 static void register_types(void) 2204 { 2205 type_register_static(&qemu_console_info); 2206 } 2207 2208 type_init(register_types); 2209