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 25 #include "qemu/osdep.h" 26 #include "ui/console.h" 27 #include "hw/qdev-core.h" 28 #include "qapi/error.h" 29 #include "qapi/qapi-commands-ui.h" 30 #include "qemu/module.h" 31 #include "qemu/option.h" 32 #include "qemu/timer.h" 33 #include "chardev/char-fe.h" 34 #include "trace.h" 35 #include "exec/memory.h" 36 #include "io/channel-file.h" 37 #include "qom/object.h" 38 39 #define DEFAULT_BACKSCROLL 512 40 #define CONSOLE_CURSOR_PERIOD 500 41 42 typedef struct TextAttributes { 43 uint8_t fgcol:4; 44 uint8_t bgcol:4; 45 uint8_t bold:1; 46 uint8_t uline:1; 47 uint8_t blink:1; 48 uint8_t invers:1; 49 uint8_t unvisible:1; 50 } TextAttributes; 51 52 typedef struct TextCell { 53 uint8_t ch; 54 TextAttributes t_attrib; 55 } TextCell; 56 57 #define MAX_ESC_PARAMS 3 58 59 enum TTYState { 60 TTY_STATE_NORM, 61 TTY_STATE_ESC, 62 TTY_STATE_CSI, 63 }; 64 65 typedef struct QEMUFIFO { 66 uint8_t *buf; 67 int buf_size; 68 int count, wptr, rptr; 69 } QEMUFIFO; 70 71 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1) 72 { 73 int l, len; 74 75 l = f->buf_size - f->count; 76 if (len1 > l) 77 len1 = l; 78 len = len1; 79 while (len > 0) { 80 l = f->buf_size - f->wptr; 81 if (l > len) 82 l = len; 83 memcpy(f->buf + f->wptr, buf, l); 84 f->wptr += l; 85 if (f->wptr >= f->buf_size) 86 f->wptr = 0; 87 buf += l; 88 len -= l; 89 } 90 f->count += len1; 91 return len1; 92 } 93 94 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1) 95 { 96 int l, len; 97 98 if (len1 > f->count) 99 len1 = f->count; 100 len = len1; 101 while (len > 0) { 102 l = f->buf_size - f->rptr; 103 if (l > len) 104 l = len; 105 memcpy(buf, f->buf + f->rptr, l); 106 f->rptr += l; 107 if (f->rptr >= f->buf_size) 108 f->rptr = 0; 109 buf += l; 110 len -= l; 111 } 112 f->count -= len1; 113 return len1; 114 } 115 116 typedef enum { 117 GRAPHIC_CONSOLE, 118 TEXT_CONSOLE, 119 TEXT_CONSOLE_FIXED_SIZE 120 } console_type_t; 121 122 struct QemuConsole { 123 Object parent; 124 125 int index; 126 console_type_t console_type; 127 DisplayState *ds; 128 DisplaySurface *surface; 129 int dcls; 130 DisplayChangeListener *gl; 131 bool gl_block; 132 int window_id; 133 134 /* Graphic console state. */ 135 Object *device; 136 uint32_t head; 137 QemuUIInfo ui_info; 138 QEMUTimer *ui_timer; 139 const GraphicHwOps *hw_ops; 140 void *hw; 141 142 /* Text console state */ 143 int width; 144 int height; 145 int total_height; 146 int backscroll_height; 147 int x, y; 148 int x_saved, y_saved; 149 int y_displayed; 150 int y_base; 151 TextAttributes t_attrib_default; /* default text attributes */ 152 TextAttributes t_attrib; /* currently active text attributes */ 153 TextCell *cells; 154 int text_x[2], text_y[2], cursor_invalidate; 155 int echo; 156 157 int update_x0; 158 int update_y0; 159 int update_x1; 160 int update_y1; 161 162 enum TTYState state; 163 int esc_params[MAX_ESC_PARAMS]; 164 int nb_esc_params; 165 166 Chardev *chr; 167 /* fifo for key pressed */ 168 QEMUFIFO out_fifo; 169 uint8_t out_fifo_buf[16]; 170 QEMUTimer *kbd_timer; 171 172 QTAILQ_ENTRY(QemuConsole) next; 173 }; 174 175 struct DisplayState { 176 QEMUTimer *gui_timer; 177 uint64_t last_update; 178 uint64_t update_interval; 179 bool refreshing; 180 bool have_gfx; 181 bool have_text; 182 183 QLIST_HEAD(, DisplayChangeListener) listeners; 184 }; 185 186 static DisplayState *display_state; 187 static QemuConsole *active_console; 188 static QTAILQ_HEAD(, QemuConsole) consoles = 189 QTAILQ_HEAD_INITIALIZER(consoles); 190 static bool cursor_visible_phase; 191 static QEMUTimer *cursor_timer; 192 193 static void text_console_do_init(Chardev *chr, DisplayState *ds); 194 static void dpy_refresh(DisplayState *s); 195 static DisplayState *get_alloc_displaystate(void); 196 static void text_console_update_cursor_timer(void); 197 static void text_console_update_cursor(void *opaque); 198 static bool ppm_save(int fd, DisplaySurface *ds, Error **errp); 199 200 static void gui_update(void *opaque) 201 { 202 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE; 203 uint64_t dcl_interval; 204 DisplayState *ds = opaque; 205 DisplayChangeListener *dcl; 206 QemuConsole *con; 207 208 ds->refreshing = true; 209 dpy_refresh(ds); 210 ds->refreshing = false; 211 212 QLIST_FOREACH(dcl, &ds->listeners, next) { 213 dcl_interval = dcl->update_interval ? 214 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT; 215 if (interval > dcl_interval) { 216 interval = dcl_interval; 217 } 218 } 219 if (ds->update_interval != interval) { 220 ds->update_interval = interval; 221 QTAILQ_FOREACH(con, &consoles, next) { 222 if (con->hw_ops->update_interval) { 223 con->hw_ops->update_interval(con->hw, interval); 224 } 225 } 226 trace_console_refresh(interval); 227 } 228 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME); 229 timer_mod(ds->gui_timer, ds->last_update + interval); 230 } 231 232 static void gui_setup_refresh(DisplayState *ds) 233 { 234 DisplayChangeListener *dcl; 235 bool need_timer = false; 236 bool have_gfx = false; 237 bool have_text = false; 238 239 QLIST_FOREACH(dcl, &ds->listeners, next) { 240 if (dcl->ops->dpy_refresh != NULL) { 241 need_timer = true; 242 } 243 if (dcl->ops->dpy_gfx_update != NULL) { 244 have_gfx = true; 245 } 246 if (dcl->ops->dpy_text_update != NULL) { 247 have_text = true; 248 } 249 } 250 251 if (need_timer && ds->gui_timer == NULL) { 252 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds); 253 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)); 254 } 255 if (!need_timer && ds->gui_timer != NULL) { 256 timer_del(ds->gui_timer); 257 timer_free(ds->gui_timer); 258 ds->gui_timer = NULL; 259 } 260 261 ds->have_gfx = have_gfx; 262 ds->have_text = have_text; 263 } 264 265 void graphic_hw_update_done(QemuConsole *con) 266 { 267 } 268 269 void graphic_hw_update(QemuConsole *con) 270 { 271 bool async = false; 272 if (!con) { 273 con = active_console; 274 } 275 if (con && con->hw_ops->gfx_update) { 276 con->hw_ops->gfx_update(con->hw); 277 async = con->hw_ops->gfx_update_async; 278 } 279 if (!async) { 280 graphic_hw_update_done(con); 281 } 282 } 283 284 void graphic_hw_gl_block(QemuConsole *con, bool block) 285 { 286 assert(con != NULL); 287 288 con->gl_block = block; 289 if (con->hw_ops->gl_block) { 290 con->hw_ops->gl_block(con->hw, block); 291 } 292 } 293 294 int qemu_console_get_window_id(QemuConsole *con) 295 { 296 return con->window_id; 297 } 298 299 void qemu_console_set_window_id(QemuConsole *con, int window_id) 300 { 301 con->window_id = window_id; 302 } 303 304 void graphic_hw_invalidate(QemuConsole *con) 305 { 306 if (!con) { 307 con = active_console; 308 } 309 if (con && con->hw_ops->invalidate) { 310 con->hw_ops->invalidate(con->hw); 311 } 312 } 313 314 static bool ppm_save(int fd, DisplaySurface *ds, Error **errp) 315 { 316 int width = pixman_image_get_width(ds->image); 317 int height = pixman_image_get_height(ds->image); 318 g_autoptr(Object) ioc = OBJECT(qio_channel_file_new_fd(fd)); 319 g_autofree char *header = NULL; 320 g_autoptr(pixman_image_t) linebuf = NULL; 321 int y; 322 323 trace_ppm_save(fd, ds); 324 325 header = g_strdup_printf("P6\n%d %d\n%d\n", width, height, 255); 326 if (qio_channel_write_all(QIO_CHANNEL(ioc), 327 header, strlen(header), errp) < 0) { 328 return false; 329 } 330 331 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width); 332 for (y = 0; y < height; y++) { 333 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y); 334 if (qio_channel_write_all(QIO_CHANNEL(ioc), 335 (char *)pixman_image_get_data(linebuf), 336 pixman_image_get_stride(linebuf), errp) < 0) { 337 return false; 338 } 339 } 340 341 return true; 342 } 343 344 void qmp_screendump(const char *filename, bool has_device, const char *device, 345 bool has_head, int64_t head, Error **errp) 346 { 347 QemuConsole *con; 348 DisplaySurface *surface; 349 int fd; 350 351 if (has_device) { 352 con = qemu_console_lookup_by_device_name(device, has_head ? head : 0, 353 errp); 354 if (!con) { 355 return; 356 } 357 } else { 358 if (has_head) { 359 error_setg(errp, "'head' must be specified together with 'device'"); 360 return; 361 } 362 con = qemu_console_lookup_by_index(0); 363 if (!con) { 364 error_setg(errp, "There is no console to take a screendump from"); 365 return; 366 } 367 } 368 369 graphic_hw_update(con); 370 surface = qemu_console_surface(con); 371 if (!surface) { 372 error_setg(errp, "no surface"); 373 return; 374 } 375 376 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666); 377 if (fd == -1) { 378 error_setg(errp, "failed to open file '%s': %s", filename, 379 strerror(errno)); 380 return; 381 } 382 383 if (!ppm_save(fd, surface, errp)) { 384 qemu_unlink(filename); 385 } 386 } 387 388 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata) 389 { 390 if (!con) { 391 con = active_console; 392 } 393 if (con && con->hw_ops->text_update) { 394 con->hw_ops->text_update(con->hw, chardata); 395 } 396 } 397 398 static void vga_fill_rect(QemuConsole *con, 399 int posx, int posy, int width, int height, 400 pixman_color_t color) 401 { 402 DisplaySurface *surface = qemu_console_surface(con); 403 pixman_rectangle16_t rect = { 404 .x = posx, .y = posy, .width = width, .height = height 405 }; 406 407 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image, 408 &color, 1, &rect); 409 } 410 411 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */ 412 static void vga_bitblt(QemuConsole *con, 413 int xs, int ys, int xd, int yd, int w, int h) 414 { 415 DisplaySurface *surface = qemu_console_surface(con); 416 417 pixman_image_composite(PIXMAN_OP_SRC, 418 surface->image, NULL, surface->image, 419 xs, ys, 0, 0, xd, yd, w, h); 420 } 421 422 /***********************************************************/ 423 /* basic char display */ 424 425 #define FONT_HEIGHT 16 426 #define FONT_WIDTH 8 427 428 #include "vgafont.h" 429 430 #define QEMU_RGB(r, g, b) \ 431 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff } 432 433 static const pixman_color_t color_table_rgb[2][8] = { 434 { /* dark */ 435 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */ 436 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */ 437 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */ 438 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */ 439 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */ 440 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */ 441 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */ 442 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */ 443 }, 444 { /* bright */ 445 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */ 446 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */ 447 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */ 448 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */ 449 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */ 450 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */ 451 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */ 452 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */ 453 } 454 }; 455 456 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch, 457 TextAttributes *t_attrib) 458 { 459 static pixman_image_t *glyphs[256]; 460 DisplaySurface *surface = qemu_console_surface(s); 461 pixman_color_t fgcol, bgcol; 462 463 if (t_attrib->invers) { 464 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol]; 465 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol]; 466 } else { 467 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol]; 468 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol]; 469 } 470 471 if (!glyphs[ch]) { 472 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch); 473 } 474 qemu_pixman_glyph_render(glyphs[ch], surface->image, 475 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT); 476 } 477 478 static void text_console_resize(QemuConsole *s) 479 { 480 TextCell *cells, *c, *c1; 481 int w1, x, y, last_width; 482 483 last_width = s->width; 484 s->width = surface_width(s->surface) / FONT_WIDTH; 485 s->height = surface_height(s->surface) / FONT_HEIGHT; 486 487 w1 = last_width; 488 if (s->width < w1) 489 w1 = s->width; 490 491 cells = g_new(TextCell, s->width * s->total_height + 1); 492 for(y = 0; y < s->total_height; y++) { 493 c = &cells[y * s->width]; 494 if (w1 > 0) { 495 c1 = &s->cells[y * last_width]; 496 for(x = 0; x < w1; x++) { 497 *c++ = *c1++; 498 } 499 } 500 for(x = w1; x < s->width; x++) { 501 c->ch = ' '; 502 c->t_attrib = s->t_attrib_default; 503 c++; 504 } 505 } 506 g_free(s->cells); 507 s->cells = cells; 508 } 509 510 static inline void text_update_xy(QemuConsole *s, int x, int y) 511 { 512 s->text_x[0] = MIN(s->text_x[0], x); 513 s->text_x[1] = MAX(s->text_x[1], x); 514 s->text_y[0] = MIN(s->text_y[0], y); 515 s->text_y[1] = MAX(s->text_y[1], y); 516 } 517 518 static void invalidate_xy(QemuConsole *s, int x, int y) 519 { 520 if (!qemu_console_is_visible(s)) { 521 return; 522 } 523 if (s->update_x0 > x * FONT_WIDTH) 524 s->update_x0 = x * FONT_WIDTH; 525 if (s->update_y0 > y * FONT_HEIGHT) 526 s->update_y0 = y * FONT_HEIGHT; 527 if (s->update_x1 < (x + 1) * FONT_WIDTH) 528 s->update_x1 = (x + 1) * FONT_WIDTH; 529 if (s->update_y1 < (y + 1) * FONT_HEIGHT) 530 s->update_y1 = (y + 1) * FONT_HEIGHT; 531 } 532 533 static void update_xy(QemuConsole *s, int x, int y) 534 { 535 TextCell *c; 536 int y1, y2; 537 538 if (s->ds->have_text) { 539 text_update_xy(s, x, y); 540 } 541 542 y1 = (s->y_base + y) % s->total_height; 543 y2 = y1 - s->y_displayed; 544 if (y2 < 0) { 545 y2 += s->total_height; 546 } 547 if (y2 < s->height) { 548 if (x >= s->width) { 549 x = s->width - 1; 550 } 551 c = &s->cells[y1 * s->width + x]; 552 vga_putcharxy(s, x, y2, c->ch, 553 &(c->t_attrib)); 554 invalidate_xy(s, x, y2); 555 } 556 } 557 558 static void console_show_cursor(QemuConsole *s, int show) 559 { 560 TextCell *c; 561 int y, y1; 562 int x = s->x; 563 564 if (s->ds->have_text) { 565 s->cursor_invalidate = 1; 566 } 567 568 if (x >= s->width) { 569 x = s->width - 1; 570 } 571 y1 = (s->y_base + s->y) % s->total_height; 572 y = y1 - s->y_displayed; 573 if (y < 0) { 574 y += s->total_height; 575 } 576 if (y < s->height) { 577 c = &s->cells[y1 * s->width + x]; 578 if (show && cursor_visible_phase) { 579 TextAttributes t_attrib = s->t_attrib_default; 580 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */ 581 vga_putcharxy(s, x, y, c->ch, &t_attrib); 582 } else { 583 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib)); 584 } 585 invalidate_xy(s, x, y); 586 } 587 } 588 589 static void console_refresh(QemuConsole *s) 590 { 591 DisplaySurface *surface = qemu_console_surface(s); 592 TextCell *c; 593 int x, y, y1; 594 595 if (s->ds->have_text) { 596 s->text_x[0] = 0; 597 s->text_y[0] = 0; 598 s->text_x[1] = s->width - 1; 599 s->text_y[1] = s->height - 1; 600 s->cursor_invalidate = 1; 601 } 602 603 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface), 604 color_table_rgb[0][QEMU_COLOR_BLACK]); 605 y1 = s->y_displayed; 606 for (y = 0; y < s->height; y++) { 607 c = s->cells + y1 * s->width; 608 for (x = 0; x < s->width; x++) { 609 vga_putcharxy(s, x, y, c->ch, 610 &(c->t_attrib)); 611 c++; 612 } 613 if (++y1 == s->total_height) { 614 y1 = 0; 615 } 616 } 617 console_show_cursor(s, 1); 618 dpy_gfx_update(s, 0, 0, 619 surface_width(surface), surface_height(surface)); 620 } 621 622 static void console_scroll(QemuConsole *s, int ydelta) 623 { 624 int i, y1; 625 626 if (ydelta > 0) { 627 for(i = 0; i < ydelta; i++) { 628 if (s->y_displayed == s->y_base) 629 break; 630 if (++s->y_displayed == s->total_height) 631 s->y_displayed = 0; 632 } 633 } else { 634 ydelta = -ydelta; 635 i = s->backscroll_height; 636 if (i > s->total_height - s->height) 637 i = s->total_height - s->height; 638 y1 = s->y_base - i; 639 if (y1 < 0) 640 y1 += s->total_height; 641 for(i = 0; i < ydelta; i++) { 642 if (s->y_displayed == y1) 643 break; 644 if (--s->y_displayed < 0) 645 s->y_displayed = s->total_height - 1; 646 } 647 } 648 console_refresh(s); 649 } 650 651 static void console_put_lf(QemuConsole *s) 652 { 653 TextCell *c; 654 int x, y1; 655 656 s->y++; 657 if (s->y >= s->height) { 658 s->y = s->height - 1; 659 660 if (s->y_displayed == s->y_base) { 661 if (++s->y_displayed == s->total_height) 662 s->y_displayed = 0; 663 } 664 if (++s->y_base == s->total_height) 665 s->y_base = 0; 666 if (s->backscroll_height < s->total_height) 667 s->backscroll_height++; 668 y1 = (s->y_base + s->height - 1) % s->total_height; 669 c = &s->cells[y1 * s->width]; 670 for(x = 0; x < s->width; x++) { 671 c->ch = ' '; 672 c->t_attrib = s->t_attrib_default; 673 c++; 674 } 675 if (s->y_displayed == s->y_base) { 676 if (s->ds->have_text) { 677 s->text_x[0] = 0; 678 s->text_y[0] = 0; 679 s->text_x[1] = s->width - 1; 680 s->text_y[1] = s->height - 1; 681 } 682 683 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0, 684 s->width * FONT_WIDTH, 685 (s->height - 1) * FONT_HEIGHT); 686 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT, 687 s->width * FONT_WIDTH, FONT_HEIGHT, 688 color_table_rgb[0][s->t_attrib_default.bgcol]); 689 s->update_x0 = 0; 690 s->update_y0 = 0; 691 s->update_x1 = s->width * FONT_WIDTH; 692 s->update_y1 = s->height * FONT_HEIGHT; 693 } 694 } 695 } 696 697 /* Set console attributes depending on the current escape codes. 698 * NOTE: I know this code is not very efficient (checking every color for it 699 * self) but it is more readable and better maintainable. 700 */ 701 static void console_handle_escape(QemuConsole *s) 702 { 703 int i; 704 705 for (i=0; i<s->nb_esc_params; i++) { 706 switch (s->esc_params[i]) { 707 case 0: /* reset all console attributes to default */ 708 s->t_attrib = s->t_attrib_default; 709 break; 710 case 1: 711 s->t_attrib.bold = 1; 712 break; 713 case 4: 714 s->t_attrib.uline = 1; 715 break; 716 case 5: 717 s->t_attrib.blink = 1; 718 break; 719 case 7: 720 s->t_attrib.invers = 1; 721 break; 722 case 8: 723 s->t_attrib.unvisible = 1; 724 break; 725 case 22: 726 s->t_attrib.bold = 0; 727 break; 728 case 24: 729 s->t_attrib.uline = 0; 730 break; 731 case 25: 732 s->t_attrib.blink = 0; 733 break; 734 case 27: 735 s->t_attrib.invers = 0; 736 break; 737 case 28: 738 s->t_attrib.unvisible = 0; 739 break; 740 /* set foreground color */ 741 case 30: 742 s->t_attrib.fgcol = QEMU_COLOR_BLACK; 743 break; 744 case 31: 745 s->t_attrib.fgcol = QEMU_COLOR_RED; 746 break; 747 case 32: 748 s->t_attrib.fgcol = QEMU_COLOR_GREEN; 749 break; 750 case 33: 751 s->t_attrib.fgcol = QEMU_COLOR_YELLOW; 752 break; 753 case 34: 754 s->t_attrib.fgcol = QEMU_COLOR_BLUE; 755 break; 756 case 35: 757 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA; 758 break; 759 case 36: 760 s->t_attrib.fgcol = QEMU_COLOR_CYAN; 761 break; 762 case 37: 763 s->t_attrib.fgcol = QEMU_COLOR_WHITE; 764 break; 765 /* set background color */ 766 case 40: 767 s->t_attrib.bgcol = QEMU_COLOR_BLACK; 768 break; 769 case 41: 770 s->t_attrib.bgcol = QEMU_COLOR_RED; 771 break; 772 case 42: 773 s->t_attrib.bgcol = QEMU_COLOR_GREEN; 774 break; 775 case 43: 776 s->t_attrib.bgcol = QEMU_COLOR_YELLOW; 777 break; 778 case 44: 779 s->t_attrib.bgcol = QEMU_COLOR_BLUE; 780 break; 781 case 45: 782 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA; 783 break; 784 case 46: 785 s->t_attrib.bgcol = QEMU_COLOR_CYAN; 786 break; 787 case 47: 788 s->t_attrib.bgcol = QEMU_COLOR_WHITE; 789 break; 790 } 791 } 792 } 793 794 static void console_clear_xy(QemuConsole *s, int x, int y) 795 { 796 int y1 = (s->y_base + y) % s->total_height; 797 if (x >= s->width) { 798 x = s->width - 1; 799 } 800 TextCell *c = &s->cells[y1 * s->width + x]; 801 c->ch = ' '; 802 c->t_attrib = s->t_attrib_default; 803 update_xy(s, x, y); 804 } 805 806 static void console_put_one(QemuConsole *s, int ch) 807 { 808 TextCell *c; 809 int y1; 810 if (s->x >= s->width) { 811 /* line wrap */ 812 s->x = 0; 813 console_put_lf(s); 814 } 815 y1 = (s->y_base + s->y) % s->total_height; 816 c = &s->cells[y1 * s->width + s->x]; 817 c->ch = ch; 818 c->t_attrib = s->t_attrib; 819 update_xy(s, s->x, s->y); 820 s->x++; 821 } 822 823 static void console_respond_str(QemuConsole *s, const char *buf) 824 { 825 while (*buf) { 826 console_put_one(s, *buf); 827 buf++; 828 } 829 } 830 831 /* set cursor, checking bounds */ 832 static void set_cursor(QemuConsole *s, int x, int y) 833 { 834 if (x < 0) { 835 x = 0; 836 } 837 if (y < 0) { 838 y = 0; 839 } 840 if (y >= s->height) { 841 y = s->height - 1; 842 } 843 if (x >= s->width) { 844 x = s->width - 1; 845 } 846 847 s->x = x; 848 s->y = y; 849 } 850 851 static void console_putchar(QemuConsole *s, int ch) 852 { 853 int i; 854 int x, y; 855 char response[40]; 856 857 switch(s->state) { 858 case TTY_STATE_NORM: 859 switch(ch) { 860 case '\r': /* carriage return */ 861 s->x = 0; 862 break; 863 case '\n': /* newline */ 864 console_put_lf(s); 865 break; 866 case '\b': /* backspace */ 867 if (s->x > 0) 868 s->x--; 869 break; 870 case '\t': /* tabspace */ 871 if (s->x + (8 - (s->x % 8)) > s->width) { 872 s->x = 0; 873 console_put_lf(s); 874 } else { 875 s->x = s->x + (8 - (s->x % 8)); 876 } 877 break; 878 case '\a': /* alert aka. bell */ 879 /* TODO: has to be implemented */ 880 break; 881 case 14: 882 /* SI (shift in), character set 0 (ignored) */ 883 break; 884 case 15: 885 /* SO (shift out), character set 1 (ignored) */ 886 break; 887 case 27: /* esc (introducing an escape sequence) */ 888 s->state = TTY_STATE_ESC; 889 break; 890 default: 891 console_put_one(s, ch); 892 break; 893 } 894 break; 895 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */ 896 if (ch == '[') { 897 for(i=0;i<MAX_ESC_PARAMS;i++) 898 s->esc_params[i] = 0; 899 s->nb_esc_params = 0; 900 s->state = TTY_STATE_CSI; 901 } else { 902 s->state = TTY_STATE_NORM; 903 } 904 break; 905 case TTY_STATE_CSI: /* handle escape sequence parameters */ 906 if (ch >= '0' && ch <= '9') { 907 if (s->nb_esc_params < MAX_ESC_PARAMS) { 908 int *param = &s->esc_params[s->nb_esc_params]; 909 int digit = (ch - '0'); 910 911 *param = (*param <= (INT_MAX - digit) / 10) ? 912 *param * 10 + digit : INT_MAX; 913 } 914 } else { 915 if (s->nb_esc_params < MAX_ESC_PARAMS) 916 s->nb_esc_params++; 917 if (ch == ';' || ch == '?') { 918 break; 919 } 920 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1], 921 ch, s->nb_esc_params); 922 s->state = TTY_STATE_NORM; 923 switch(ch) { 924 case 'A': 925 /* move cursor up */ 926 if (s->esc_params[0] == 0) { 927 s->esc_params[0] = 1; 928 } 929 set_cursor(s, s->x, s->y - s->esc_params[0]); 930 break; 931 case 'B': 932 /* move cursor down */ 933 if (s->esc_params[0] == 0) { 934 s->esc_params[0] = 1; 935 } 936 set_cursor(s, s->x, s->y + s->esc_params[0]); 937 break; 938 case 'C': 939 /* move cursor right */ 940 if (s->esc_params[0] == 0) { 941 s->esc_params[0] = 1; 942 } 943 set_cursor(s, s->x + s->esc_params[0], s->y); 944 break; 945 case 'D': 946 /* move cursor left */ 947 if (s->esc_params[0] == 0) { 948 s->esc_params[0] = 1; 949 } 950 set_cursor(s, s->x - s->esc_params[0], s->y); 951 break; 952 case 'G': 953 /* move cursor to column */ 954 set_cursor(s, s->esc_params[0] - 1, s->y); 955 break; 956 case 'f': 957 case 'H': 958 /* move cursor to row, column */ 959 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1); 960 break; 961 case 'J': 962 switch (s->esc_params[0]) { 963 case 0: 964 /* clear to end of screen */ 965 for (y = s->y; y < s->height; y++) { 966 for (x = 0; x < s->width; x++) { 967 if (y == s->y && x < s->x) { 968 continue; 969 } 970 console_clear_xy(s, x, y); 971 } 972 } 973 break; 974 case 1: 975 /* clear from beginning of screen */ 976 for (y = 0; y <= s->y; y++) { 977 for (x = 0; x < s->width; x++) { 978 if (y == s->y && x > s->x) { 979 break; 980 } 981 console_clear_xy(s, x, y); 982 } 983 } 984 break; 985 case 2: 986 /* clear entire screen */ 987 for (y = 0; y <= s->height; y++) { 988 for (x = 0; x < s->width; x++) { 989 console_clear_xy(s, x, y); 990 } 991 } 992 break; 993 } 994 break; 995 case 'K': 996 switch (s->esc_params[0]) { 997 case 0: 998 /* clear to eol */ 999 for(x = s->x; x < s->width; x++) { 1000 console_clear_xy(s, x, s->y); 1001 } 1002 break; 1003 case 1: 1004 /* clear from beginning of line */ 1005 for (x = 0; x <= s->x && x < s->width; x++) { 1006 console_clear_xy(s, x, s->y); 1007 } 1008 break; 1009 case 2: 1010 /* clear entire line */ 1011 for(x = 0; x < s->width; x++) { 1012 console_clear_xy(s, x, s->y); 1013 } 1014 break; 1015 } 1016 break; 1017 case 'm': 1018 console_handle_escape(s); 1019 break; 1020 case 'n': 1021 switch (s->esc_params[0]) { 1022 case 5: 1023 /* report console status (always succeed)*/ 1024 console_respond_str(s, "\033[0n"); 1025 break; 1026 case 6: 1027 /* report cursor position */ 1028 sprintf(response, "\033[%d;%dR", 1029 (s->y_base + s->y) % s->total_height + 1, 1030 s->x + 1); 1031 console_respond_str(s, response); 1032 break; 1033 } 1034 break; 1035 case 's': 1036 /* save cursor position */ 1037 s->x_saved = s->x; 1038 s->y_saved = s->y; 1039 break; 1040 case 'u': 1041 /* restore cursor position */ 1042 s->x = s->x_saved; 1043 s->y = s->y_saved; 1044 break; 1045 default: 1046 trace_console_putchar_unhandled(ch); 1047 break; 1048 } 1049 break; 1050 } 1051 } 1052 } 1053 1054 void console_select(unsigned int index) 1055 { 1056 DisplayChangeListener *dcl; 1057 QemuConsole *s; 1058 1059 trace_console_select(index); 1060 s = qemu_console_lookup_by_index(index); 1061 if (s) { 1062 DisplayState *ds = s->ds; 1063 1064 active_console = s; 1065 if (ds->have_gfx) { 1066 QLIST_FOREACH(dcl, &ds->listeners, next) { 1067 if (dcl->con != NULL) { 1068 continue; 1069 } 1070 if (dcl->ops->dpy_gfx_switch) { 1071 dcl->ops->dpy_gfx_switch(dcl, s->surface); 1072 } 1073 } 1074 if (s->surface) { 1075 dpy_gfx_update(s, 0, 0, surface_width(s->surface), 1076 surface_height(s->surface)); 1077 } 1078 } 1079 if (ds->have_text) { 1080 dpy_text_resize(s, s->width, s->height); 1081 } 1082 text_console_update_cursor(NULL); 1083 } 1084 } 1085 1086 struct VCChardev { 1087 Chardev parent; 1088 QemuConsole *console; 1089 }; 1090 typedef struct VCChardev VCChardev; 1091 1092 #define TYPE_CHARDEV_VC "chardev-vc" 1093 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV, 1094 TYPE_CHARDEV_VC) 1095 1096 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len) 1097 { 1098 VCChardev *drv = VC_CHARDEV(chr); 1099 QemuConsole *s = drv->console; 1100 int i; 1101 1102 if (!s->ds) { 1103 return 0; 1104 } 1105 1106 s->update_x0 = s->width * FONT_WIDTH; 1107 s->update_y0 = s->height * FONT_HEIGHT; 1108 s->update_x1 = 0; 1109 s->update_y1 = 0; 1110 console_show_cursor(s, 0); 1111 for(i = 0; i < len; i++) { 1112 console_putchar(s, buf[i]); 1113 } 1114 console_show_cursor(s, 1); 1115 if (s->ds->have_gfx && s->update_x0 < s->update_x1) { 1116 dpy_gfx_update(s, s->update_x0, s->update_y0, 1117 s->update_x1 - s->update_x0, 1118 s->update_y1 - s->update_y0); 1119 } 1120 return len; 1121 } 1122 1123 static void kbd_send_chars(void *opaque) 1124 { 1125 QemuConsole *s = opaque; 1126 int len; 1127 uint8_t buf[16]; 1128 1129 len = qemu_chr_be_can_write(s->chr); 1130 if (len > s->out_fifo.count) 1131 len = s->out_fifo.count; 1132 if (len > 0) { 1133 if (len > sizeof(buf)) 1134 len = sizeof(buf); 1135 qemu_fifo_read(&s->out_fifo, buf, len); 1136 qemu_chr_be_write(s->chr, buf, len); 1137 } 1138 /* characters are pending: we send them a bit later (XXX: 1139 horrible, should change char device API) */ 1140 if (s->out_fifo.count > 0) { 1141 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1); 1142 } 1143 } 1144 1145 /* called when an ascii key is pressed */ 1146 void kbd_put_keysym_console(QemuConsole *s, int keysym) 1147 { 1148 uint8_t buf[16], *q; 1149 CharBackend *be; 1150 int c; 1151 1152 if (!s || (s->console_type == GRAPHIC_CONSOLE)) 1153 return; 1154 1155 switch(keysym) { 1156 case QEMU_KEY_CTRL_UP: 1157 console_scroll(s, -1); 1158 break; 1159 case QEMU_KEY_CTRL_DOWN: 1160 console_scroll(s, 1); 1161 break; 1162 case QEMU_KEY_CTRL_PAGEUP: 1163 console_scroll(s, -10); 1164 break; 1165 case QEMU_KEY_CTRL_PAGEDOWN: 1166 console_scroll(s, 10); 1167 break; 1168 default: 1169 /* convert the QEMU keysym to VT100 key string */ 1170 q = buf; 1171 if (keysym >= 0xe100 && keysym <= 0xe11f) { 1172 *q++ = '\033'; 1173 *q++ = '['; 1174 c = keysym - 0xe100; 1175 if (c >= 10) 1176 *q++ = '0' + (c / 10); 1177 *q++ = '0' + (c % 10); 1178 *q++ = '~'; 1179 } else if (keysym >= 0xe120 && keysym <= 0xe17f) { 1180 *q++ = '\033'; 1181 *q++ = '['; 1182 *q++ = keysym & 0xff; 1183 } else if (s->echo && (keysym == '\r' || keysym == '\n')) { 1184 vc_chr_write(s->chr, (const uint8_t *) "\r", 1); 1185 *q++ = '\n'; 1186 } else { 1187 *q++ = keysym; 1188 } 1189 if (s->echo) { 1190 vc_chr_write(s->chr, buf, q - buf); 1191 } 1192 be = s->chr->be; 1193 if (be && be->chr_read) { 1194 qemu_fifo_write(&s->out_fifo, buf, q - buf); 1195 kbd_send_chars(s); 1196 } 1197 break; 1198 } 1199 } 1200 1201 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = { 1202 [Q_KEY_CODE_UP] = QEMU_KEY_UP, 1203 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN, 1204 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT, 1205 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT, 1206 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME, 1207 [Q_KEY_CODE_END] = QEMU_KEY_END, 1208 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP, 1209 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN, 1210 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE, 1211 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE, 1212 }; 1213 1214 static const int ctrl_qcode_to_keysym[Q_KEY_CODE__MAX] = { 1215 [Q_KEY_CODE_UP] = QEMU_KEY_CTRL_UP, 1216 [Q_KEY_CODE_DOWN] = QEMU_KEY_CTRL_DOWN, 1217 [Q_KEY_CODE_RIGHT] = QEMU_KEY_CTRL_RIGHT, 1218 [Q_KEY_CODE_LEFT] = QEMU_KEY_CTRL_LEFT, 1219 [Q_KEY_CODE_HOME] = QEMU_KEY_CTRL_HOME, 1220 [Q_KEY_CODE_END] = QEMU_KEY_CTRL_END, 1221 [Q_KEY_CODE_PGUP] = QEMU_KEY_CTRL_PAGEUP, 1222 [Q_KEY_CODE_PGDN] = QEMU_KEY_CTRL_PAGEDOWN, 1223 }; 1224 1225 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl) 1226 { 1227 int keysym; 1228 1229 keysym = ctrl ? ctrl_qcode_to_keysym[qcode] : qcode_to_keysym[qcode]; 1230 if (keysym == 0) { 1231 return false; 1232 } 1233 kbd_put_keysym_console(s, keysym); 1234 return true; 1235 } 1236 1237 void kbd_put_string_console(QemuConsole *s, const char *str, int len) 1238 { 1239 int i; 1240 1241 for (i = 0; i < len && str[i]; i++) { 1242 kbd_put_keysym_console(s, str[i]); 1243 } 1244 } 1245 1246 void kbd_put_keysym(int keysym) 1247 { 1248 kbd_put_keysym_console(active_console, keysym); 1249 } 1250 1251 static void text_console_invalidate(void *opaque) 1252 { 1253 QemuConsole *s = (QemuConsole *) opaque; 1254 1255 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) { 1256 text_console_resize(s); 1257 } 1258 console_refresh(s); 1259 } 1260 1261 static void text_console_update(void *opaque, console_ch_t *chardata) 1262 { 1263 QemuConsole *s = (QemuConsole *) opaque; 1264 int i, j, src; 1265 1266 if (s->text_x[0] <= s->text_x[1]) { 1267 src = (s->y_base + s->text_y[0]) * s->width; 1268 chardata += s->text_y[0] * s->width; 1269 for (i = s->text_y[0]; i <= s->text_y[1]; i ++) 1270 for (j = 0; j < s->width; j++, src++) { 1271 console_write_ch(chardata ++, 1272 ATTR2CHTYPE(s->cells[src].ch, 1273 s->cells[src].t_attrib.fgcol, 1274 s->cells[src].t_attrib.bgcol, 1275 s->cells[src].t_attrib.bold)); 1276 } 1277 dpy_text_update(s, s->text_x[0], s->text_y[0], 1278 s->text_x[1] - s->text_x[0], i - s->text_y[0]); 1279 s->text_x[0] = s->width; 1280 s->text_y[0] = s->height; 1281 s->text_x[1] = 0; 1282 s->text_y[1] = 0; 1283 } 1284 if (s->cursor_invalidate) { 1285 dpy_text_cursor(s, s->x, s->y); 1286 s->cursor_invalidate = 0; 1287 } 1288 } 1289 1290 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type, 1291 uint32_t head) 1292 { 1293 Object *obj; 1294 QemuConsole *s; 1295 int i; 1296 1297 obj = object_new(TYPE_QEMU_CONSOLE); 1298 s = QEMU_CONSOLE(obj); 1299 s->head = head; 1300 object_property_add_link(obj, "device", TYPE_DEVICE, 1301 (Object **)&s->device, 1302 object_property_allow_set_link, 1303 OBJ_PROP_LINK_STRONG); 1304 object_property_add_uint32_ptr(obj, "head", &s->head, 1305 OBJ_PROP_FLAG_READ); 1306 1307 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) && 1308 (console_type == GRAPHIC_CONSOLE))) { 1309 active_console = s; 1310 } 1311 s->ds = ds; 1312 s->console_type = console_type; 1313 1314 if (QTAILQ_EMPTY(&consoles)) { 1315 s->index = 0; 1316 QTAILQ_INSERT_TAIL(&consoles, s, next); 1317 } else if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) { 1318 QemuConsole *last = QTAILQ_LAST(&consoles); 1319 s->index = last->index + 1; 1320 QTAILQ_INSERT_TAIL(&consoles, s, next); 1321 } else { 1322 /* 1323 * HACK: Put graphical consoles before text consoles. 1324 * 1325 * Only do that for coldplugged devices. After initial device 1326 * initialization we will not renumber the consoles any more. 1327 */ 1328 QemuConsole *c = QTAILQ_FIRST(&consoles); 1329 1330 while (QTAILQ_NEXT(c, next) != NULL && 1331 c->console_type == GRAPHIC_CONSOLE) { 1332 c = QTAILQ_NEXT(c, next); 1333 } 1334 if (c->console_type == GRAPHIC_CONSOLE) { 1335 /* have no text consoles */ 1336 s->index = c->index + 1; 1337 QTAILQ_INSERT_AFTER(&consoles, c, s, next); 1338 } else { 1339 s->index = c->index; 1340 QTAILQ_INSERT_BEFORE(c, s, next); 1341 /* renumber text consoles */ 1342 for (i = s->index + 1; c != NULL; c = QTAILQ_NEXT(c, next), i++) { 1343 c->index = i; 1344 } 1345 } 1346 } 1347 return s; 1348 } 1349 1350 static void qemu_alloc_display(DisplaySurface *surface, int width, int height) 1351 { 1352 qemu_pixman_image_unref(surface->image); 1353 surface->image = NULL; 1354 1355 surface->format = PIXMAN_x8r8g8b8; 1356 surface->image = pixman_image_create_bits(surface->format, 1357 width, height, 1358 NULL, width * 4); 1359 assert(surface->image != NULL); 1360 1361 surface->flags = QEMU_ALLOCATED_FLAG; 1362 } 1363 1364 DisplaySurface *qemu_create_displaysurface(int width, int height) 1365 { 1366 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1367 1368 trace_displaysurface_create(surface, width, height); 1369 qemu_alloc_display(surface, width, height); 1370 return surface; 1371 } 1372 1373 DisplaySurface *qemu_create_displaysurface_from(int width, int height, 1374 pixman_format_code_t format, 1375 int linesize, uint8_t *data) 1376 { 1377 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1378 1379 trace_displaysurface_create_from(surface, width, height, format); 1380 surface->format = format; 1381 surface->image = pixman_image_create_bits(surface->format, 1382 width, height, 1383 (void *)data, linesize); 1384 assert(surface->image != NULL); 1385 1386 return surface; 1387 } 1388 1389 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image) 1390 { 1391 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1392 1393 trace_displaysurface_create_pixman(surface); 1394 surface->format = pixman_image_get_format(image); 1395 surface->image = pixman_image_ref(image); 1396 1397 return surface; 1398 } 1399 1400 DisplaySurface *qemu_create_message_surface(int w, int h, 1401 const char *msg) 1402 { 1403 DisplaySurface *surface = qemu_create_displaysurface(w, h); 1404 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK]; 1405 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE]; 1406 pixman_image_t *glyph; 1407 int len, x, y, i; 1408 1409 len = strlen(msg); 1410 x = (w / FONT_WIDTH - len) / 2; 1411 y = (h / FONT_HEIGHT - 1) / 2; 1412 for (i = 0; i < len; i++) { 1413 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]); 1414 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg, 1415 x+i, y, FONT_WIDTH, FONT_HEIGHT); 1416 qemu_pixman_image_unref(glyph); 1417 } 1418 return surface; 1419 } 1420 1421 void qemu_free_displaysurface(DisplaySurface *surface) 1422 { 1423 if (surface == NULL) { 1424 return; 1425 } 1426 trace_displaysurface_free(surface); 1427 qemu_pixman_image_unref(surface->image); 1428 g_free(surface); 1429 } 1430 1431 bool console_has_gl(QemuConsole *con) 1432 { 1433 return con->gl != NULL; 1434 } 1435 1436 bool console_has_gl_dmabuf(QemuConsole *con) 1437 { 1438 return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL; 1439 } 1440 1441 void register_displaychangelistener(DisplayChangeListener *dcl) 1442 { 1443 static const char nodev[] = 1444 "This VM has no graphic display device."; 1445 static DisplaySurface *dummy; 1446 QemuConsole *con; 1447 1448 assert(!dcl->ds); 1449 1450 if (dcl->ops->dpy_gl_ctx_create) { 1451 /* display has opengl support */ 1452 assert(dcl->con); 1453 if (dcl->con->gl) { 1454 fprintf(stderr, "can't register two opengl displays (%s, %s)\n", 1455 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name); 1456 exit(1); 1457 } 1458 dcl->con->gl = dcl; 1459 } 1460 1461 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name); 1462 dcl->ds = get_alloc_displaystate(); 1463 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next); 1464 gui_setup_refresh(dcl->ds); 1465 if (dcl->con) { 1466 dcl->con->dcls++; 1467 con = dcl->con; 1468 } else { 1469 con = active_console; 1470 } 1471 if (dcl->ops->dpy_gfx_switch) { 1472 if (con) { 1473 dcl->ops->dpy_gfx_switch(dcl, con->surface); 1474 } else { 1475 if (!dummy) { 1476 dummy = qemu_create_message_surface(640, 480, nodev); 1477 } 1478 dcl->ops->dpy_gfx_switch(dcl, dummy); 1479 } 1480 } 1481 text_console_update_cursor(NULL); 1482 } 1483 1484 void update_displaychangelistener(DisplayChangeListener *dcl, 1485 uint64_t interval) 1486 { 1487 DisplayState *ds = dcl->ds; 1488 1489 dcl->update_interval = interval; 1490 if (!ds->refreshing && ds->update_interval > interval) { 1491 timer_mod(ds->gui_timer, ds->last_update + interval); 1492 } 1493 } 1494 1495 void unregister_displaychangelistener(DisplayChangeListener *dcl) 1496 { 1497 DisplayState *ds = dcl->ds; 1498 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name); 1499 if (dcl->con) { 1500 dcl->con->dcls--; 1501 } 1502 QLIST_REMOVE(dcl, next); 1503 dcl->ds = NULL; 1504 gui_setup_refresh(ds); 1505 } 1506 1507 static void dpy_set_ui_info_timer(void *opaque) 1508 { 1509 QemuConsole *con = opaque; 1510 1511 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info); 1512 } 1513 1514 bool dpy_ui_info_supported(QemuConsole *con) 1515 { 1516 return con->hw_ops->ui_info != NULL; 1517 } 1518 1519 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info) 1520 { 1521 assert(con != NULL); 1522 1523 if (!dpy_ui_info_supported(con)) { 1524 return -1; 1525 } 1526 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) { 1527 /* nothing changed -- ignore */ 1528 return 0; 1529 } 1530 1531 /* 1532 * Typically we get a flood of these as the user resizes the window. 1533 * Wait until the dust has settled (one second without updates), then 1534 * go notify the guest. 1535 */ 1536 con->ui_info = *info; 1537 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000); 1538 return 0; 1539 } 1540 1541 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h) 1542 { 1543 DisplayState *s = con->ds; 1544 DisplayChangeListener *dcl; 1545 int width = w; 1546 int height = h; 1547 1548 if (con->surface) { 1549 width = surface_width(con->surface); 1550 height = surface_height(con->surface); 1551 } 1552 x = MAX(x, 0); 1553 y = MAX(y, 0); 1554 x = MIN(x, width); 1555 y = MIN(y, height); 1556 w = MIN(w, width - x); 1557 h = MIN(h, height - y); 1558 1559 if (!qemu_console_is_visible(con)) { 1560 return; 1561 } 1562 QLIST_FOREACH(dcl, &s->listeners, next) { 1563 if (con != (dcl->con ? dcl->con : active_console)) { 1564 continue; 1565 } 1566 if (dcl->ops->dpy_gfx_update) { 1567 dcl->ops->dpy_gfx_update(dcl, x, y, w, h); 1568 } 1569 } 1570 } 1571 1572 void dpy_gfx_update_full(QemuConsole *con) 1573 { 1574 if (!con->surface) { 1575 return; 1576 } 1577 dpy_gfx_update(con, 0, 0, 1578 surface_width(con->surface), 1579 surface_height(con->surface)); 1580 } 1581 1582 void dpy_gfx_replace_surface(QemuConsole *con, 1583 DisplaySurface *surface) 1584 { 1585 DisplayState *s = con->ds; 1586 DisplaySurface *old_surface = con->surface; 1587 DisplayChangeListener *dcl; 1588 1589 assert(old_surface != surface || surface == NULL); 1590 1591 con->surface = surface; 1592 QLIST_FOREACH(dcl, &s->listeners, next) { 1593 if (con != (dcl->con ? dcl->con : active_console)) { 1594 continue; 1595 } 1596 if (dcl->ops->dpy_gfx_switch) { 1597 dcl->ops->dpy_gfx_switch(dcl, surface); 1598 } 1599 } 1600 qemu_free_displaysurface(old_surface); 1601 } 1602 1603 bool dpy_gfx_check_format(QemuConsole *con, 1604 pixman_format_code_t format) 1605 { 1606 DisplayChangeListener *dcl; 1607 DisplayState *s = con->ds; 1608 1609 QLIST_FOREACH(dcl, &s->listeners, next) { 1610 if (dcl->con && dcl->con != con) { 1611 /* dcl bound to another console -> skip */ 1612 continue; 1613 } 1614 if (dcl->ops->dpy_gfx_check_format) { 1615 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) { 1616 return false; 1617 } 1618 } else { 1619 /* default is to whitelist native 32 bpp only */ 1620 if (format != qemu_default_pixman_format(32, true)) { 1621 return false; 1622 } 1623 } 1624 } 1625 return true; 1626 } 1627 1628 static void dpy_refresh(DisplayState *s) 1629 { 1630 DisplayChangeListener *dcl; 1631 1632 QLIST_FOREACH(dcl, &s->listeners, next) { 1633 if (dcl->ops->dpy_refresh) { 1634 dcl->ops->dpy_refresh(dcl); 1635 } 1636 } 1637 } 1638 1639 void dpy_text_cursor(QemuConsole *con, int x, int y) 1640 { 1641 DisplayState *s = con->ds; 1642 DisplayChangeListener *dcl; 1643 1644 if (!qemu_console_is_visible(con)) { 1645 return; 1646 } 1647 QLIST_FOREACH(dcl, &s->listeners, next) { 1648 if (con != (dcl->con ? dcl->con : active_console)) { 1649 continue; 1650 } 1651 if (dcl->ops->dpy_text_cursor) { 1652 dcl->ops->dpy_text_cursor(dcl, x, y); 1653 } 1654 } 1655 } 1656 1657 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h) 1658 { 1659 DisplayState *s = con->ds; 1660 DisplayChangeListener *dcl; 1661 1662 if (!qemu_console_is_visible(con)) { 1663 return; 1664 } 1665 QLIST_FOREACH(dcl, &s->listeners, next) { 1666 if (con != (dcl->con ? dcl->con : active_console)) { 1667 continue; 1668 } 1669 if (dcl->ops->dpy_text_update) { 1670 dcl->ops->dpy_text_update(dcl, x, y, w, h); 1671 } 1672 } 1673 } 1674 1675 void dpy_text_resize(QemuConsole *con, int w, int h) 1676 { 1677 DisplayState *s = con->ds; 1678 DisplayChangeListener *dcl; 1679 1680 if (!qemu_console_is_visible(con)) { 1681 return; 1682 } 1683 QLIST_FOREACH(dcl, &s->listeners, next) { 1684 if (con != (dcl->con ? dcl->con : active_console)) { 1685 continue; 1686 } 1687 if (dcl->ops->dpy_text_resize) { 1688 dcl->ops->dpy_text_resize(dcl, w, h); 1689 } 1690 } 1691 } 1692 1693 void dpy_mouse_set(QemuConsole *con, int x, int y, int on) 1694 { 1695 DisplayState *s = con->ds; 1696 DisplayChangeListener *dcl; 1697 1698 if (!qemu_console_is_visible(con)) { 1699 return; 1700 } 1701 QLIST_FOREACH(dcl, &s->listeners, next) { 1702 if (con != (dcl->con ? dcl->con : active_console)) { 1703 continue; 1704 } 1705 if (dcl->ops->dpy_mouse_set) { 1706 dcl->ops->dpy_mouse_set(dcl, x, y, on); 1707 } 1708 } 1709 } 1710 1711 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor) 1712 { 1713 DisplayState *s = con->ds; 1714 DisplayChangeListener *dcl; 1715 1716 if (!qemu_console_is_visible(con)) { 1717 return; 1718 } 1719 QLIST_FOREACH(dcl, &s->listeners, next) { 1720 if (con != (dcl->con ? dcl->con : active_console)) { 1721 continue; 1722 } 1723 if (dcl->ops->dpy_cursor_define) { 1724 dcl->ops->dpy_cursor_define(dcl, cursor); 1725 } 1726 } 1727 } 1728 1729 bool dpy_cursor_define_supported(QemuConsole *con) 1730 { 1731 DisplayState *s = con->ds; 1732 DisplayChangeListener *dcl; 1733 1734 QLIST_FOREACH(dcl, &s->listeners, next) { 1735 if (dcl->ops->dpy_cursor_define) { 1736 return true; 1737 } 1738 } 1739 return false; 1740 } 1741 1742 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con, 1743 struct QEMUGLParams *qparams) 1744 { 1745 assert(con->gl); 1746 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams); 1747 } 1748 1749 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx) 1750 { 1751 assert(con->gl); 1752 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx); 1753 } 1754 1755 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx) 1756 { 1757 assert(con->gl); 1758 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx); 1759 } 1760 1761 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con) 1762 { 1763 assert(con->gl); 1764 return con->gl->ops->dpy_gl_ctx_get_current(con->gl); 1765 } 1766 1767 void dpy_gl_scanout_disable(QemuConsole *con) 1768 { 1769 assert(con->gl); 1770 if (con->gl->ops->dpy_gl_scanout_disable) { 1771 con->gl->ops->dpy_gl_scanout_disable(con->gl); 1772 } else { 1773 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0, 1774 0, 0, 0, 0); 1775 } 1776 } 1777 1778 void dpy_gl_scanout_texture(QemuConsole *con, 1779 uint32_t backing_id, 1780 bool backing_y_0_top, 1781 uint32_t backing_width, 1782 uint32_t backing_height, 1783 uint32_t x, uint32_t y, 1784 uint32_t width, uint32_t height) 1785 { 1786 assert(con->gl); 1787 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id, 1788 backing_y_0_top, 1789 backing_width, backing_height, 1790 x, y, width, height); 1791 } 1792 1793 void dpy_gl_scanout_dmabuf(QemuConsole *con, 1794 QemuDmaBuf *dmabuf) 1795 { 1796 assert(con->gl); 1797 con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf); 1798 } 1799 1800 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf, 1801 bool have_hot, uint32_t hot_x, uint32_t hot_y) 1802 { 1803 assert(con->gl); 1804 1805 if (con->gl->ops->dpy_gl_cursor_dmabuf) { 1806 con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf, 1807 have_hot, hot_x, hot_y); 1808 } 1809 } 1810 1811 void dpy_gl_cursor_position(QemuConsole *con, 1812 uint32_t pos_x, uint32_t pos_y) 1813 { 1814 assert(con->gl); 1815 1816 if (con->gl->ops->dpy_gl_cursor_position) { 1817 con->gl->ops->dpy_gl_cursor_position(con->gl, pos_x, pos_y); 1818 } 1819 } 1820 1821 void dpy_gl_release_dmabuf(QemuConsole *con, 1822 QemuDmaBuf *dmabuf) 1823 { 1824 assert(con->gl); 1825 1826 if (con->gl->ops->dpy_gl_release_dmabuf) { 1827 con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf); 1828 } 1829 } 1830 1831 void dpy_gl_update(QemuConsole *con, 1832 uint32_t x, uint32_t y, uint32_t w, uint32_t h) 1833 { 1834 assert(con->gl); 1835 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h); 1836 } 1837 1838 /***********************************************************/ 1839 /* register display */ 1840 1841 /* console.c internal use only */ 1842 static DisplayState *get_alloc_displaystate(void) 1843 { 1844 if (!display_state) { 1845 display_state = g_new0(DisplayState, 1); 1846 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME, 1847 text_console_update_cursor, NULL); 1848 } 1849 return display_state; 1850 } 1851 1852 /* 1853 * Called by main(), after creating QemuConsoles 1854 * and before initializing ui (sdl/vnc/...). 1855 */ 1856 DisplayState *init_displaystate(void) 1857 { 1858 gchar *name; 1859 QemuConsole *con; 1860 1861 get_alloc_displaystate(); 1862 QTAILQ_FOREACH(con, &consoles, next) { 1863 if (con->console_type != GRAPHIC_CONSOLE && 1864 con->ds == NULL) { 1865 text_console_do_init(con->chr, display_state); 1866 } 1867 1868 /* Hook up into the qom tree here (not in new_console()), once 1869 * all QemuConsoles are created and the order / numbering 1870 * doesn't change any more */ 1871 name = g_strdup_printf("console[%d]", con->index); 1872 object_property_add_child(container_get(object_get_root(), "/backend"), 1873 name, OBJECT(con)); 1874 g_free(name); 1875 } 1876 1877 return display_state; 1878 } 1879 1880 void graphic_console_set_hwops(QemuConsole *con, 1881 const GraphicHwOps *hw_ops, 1882 void *opaque) 1883 { 1884 con->hw_ops = hw_ops; 1885 con->hw = opaque; 1886 } 1887 1888 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head, 1889 const GraphicHwOps *hw_ops, 1890 void *opaque) 1891 { 1892 static const char noinit[] = 1893 "Guest has not initialized the display (yet)."; 1894 int width = 640; 1895 int height = 480; 1896 QemuConsole *s; 1897 DisplayState *ds; 1898 DisplaySurface *surface; 1899 1900 ds = get_alloc_displaystate(); 1901 s = qemu_console_lookup_unused(); 1902 if (s) { 1903 trace_console_gfx_reuse(s->index); 1904 if (s->surface) { 1905 width = surface_width(s->surface); 1906 height = surface_height(s->surface); 1907 } 1908 } else { 1909 trace_console_gfx_new(); 1910 s = new_console(ds, GRAPHIC_CONSOLE, head); 1911 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, 1912 dpy_set_ui_info_timer, s); 1913 } 1914 graphic_console_set_hwops(s, hw_ops, opaque); 1915 if (dev) { 1916 object_property_set_link(OBJECT(s), "device", OBJECT(dev), 1917 &error_abort); 1918 } 1919 1920 surface = qemu_create_message_surface(width, height, noinit); 1921 dpy_gfx_replace_surface(s, surface); 1922 return s; 1923 } 1924 1925 static const GraphicHwOps unused_ops = { 1926 /* no callbacks */ 1927 }; 1928 1929 void graphic_console_close(QemuConsole *con) 1930 { 1931 static const char unplugged[] = 1932 "Guest display has been unplugged"; 1933 DisplaySurface *surface; 1934 int width = 640; 1935 int height = 480; 1936 1937 if (con->surface) { 1938 width = surface_width(con->surface); 1939 height = surface_height(con->surface); 1940 } 1941 1942 trace_console_gfx_close(con->index); 1943 object_property_set_link(OBJECT(con), "device", NULL, &error_abort); 1944 graphic_console_set_hwops(con, &unused_ops, NULL); 1945 1946 if (con->gl) { 1947 dpy_gl_scanout_disable(con); 1948 } 1949 surface = qemu_create_message_surface(width, height, unplugged); 1950 dpy_gfx_replace_surface(con, surface); 1951 } 1952 1953 QemuConsole *qemu_console_lookup_by_index(unsigned int index) 1954 { 1955 QemuConsole *con; 1956 1957 QTAILQ_FOREACH(con, &consoles, next) { 1958 if (con->index == index) { 1959 return con; 1960 } 1961 } 1962 return NULL; 1963 } 1964 1965 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head) 1966 { 1967 QemuConsole *con; 1968 Object *obj; 1969 uint32_t h; 1970 1971 QTAILQ_FOREACH(con, &consoles, next) { 1972 obj = object_property_get_link(OBJECT(con), 1973 "device", &error_abort); 1974 if (DEVICE(obj) != dev) { 1975 continue; 1976 } 1977 h = object_property_get_uint(OBJECT(con), 1978 "head", &error_abort); 1979 if (h != head) { 1980 continue; 1981 } 1982 return con; 1983 } 1984 return NULL; 1985 } 1986 1987 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id, 1988 uint32_t head, Error **errp) 1989 { 1990 DeviceState *dev; 1991 QemuConsole *con; 1992 1993 dev = qdev_find_recursive(sysbus_get_default(), device_id); 1994 if (dev == NULL) { 1995 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, 1996 "Device '%s' not found", device_id); 1997 return NULL; 1998 } 1999 2000 con = qemu_console_lookup_by_device(dev, head); 2001 if (con == NULL) { 2002 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole", 2003 device_id, head); 2004 return NULL; 2005 } 2006 2007 return con; 2008 } 2009 2010 QemuConsole *qemu_console_lookup_unused(void) 2011 { 2012 QemuConsole *con; 2013 Object *obj; 2014 2015 QTAILQ_FOREACH(con, &consoles, next) { 2016 if (con->hw_ops != &unused_ops) { 2017 continue; 2018 } 2019 obj = object_property_get_link(OBJECT(con), 2020 "device", &error_abort); 2021 if (obj != NULL) { 2022 continue; 2023 } 2024 return con; 2025 } 2026 return NULL; 2027 } 2028 2029 bool qemu_console_is_visible(QemuConsole *con) 2030 { 2031 return (con == active_console) || (con->dcls > 0); 2032 } 2033 2034 bool qemu_console_is_graphic(QemuConsole *con) 2035 { 2036 if (con == NULL) { 2037 con = active_console; 2038 } 2039 return con && (con->console_type == GRAPHIC_CONSOLE); 2040 } 2041 2042 bool qemu_console_is_fixedsize(QemuConsole *con) 2043 { 2044 if (con == NULL) { 2045 con = active_console; 2046 } 2047 return con && (con->console_type != TEXT_CONSOLE); 2048 } 2049 2050 bool qemu_console_is_gl_blocked(QemuConsole *con) 2051 { 2052 assert(con != NULL); 2053 return con->gl_block; 2054 } 2055 2056 char *qemu_console_get_label(QemuConsole *con) 2057 { 2058 if (con->console_type == GRAPHIC_CONSOLE) { 2059 if (con->device) { 2060 return g_strdup(object_get_typename(con->device)); 2061 } 2062 return g_strdup("VGA"); 2063 } else { 2064 if (con->chr && con->chr->label) { 2065 return g_strdup(con->chr->label); 2066 } 2067 return g_strdup_printf("vc%d", con->index); 2068 } 2069 } 2070 2071 int qemu_console_get_index(QemuConsole *con) 2072 { 2073 if (con == NULL) { 2074 con = active_console; 2075 } 2076 return con ? con->index : -1; 2077 } 2078 2079 uint32_t qemu_console_get_head(QemuConsole *con) 2080 { 2081 if (con == NULL) { 2082 con = active_console; 2083 } 2084 return con ? con->head : -1; 2085 } 2086 2087 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con) 2088 { 2089 assert(con != NULL); 2090 return &con->ui_info; 2091 } 2092 2093 int qemu_console_get_width(QemuConsole *con, int fallback) 2094 { 2095 if (con == NULL) { 2096 con = active_console; 2097 } 2098 return con ? surface_width(con->surface) : fallback; 2099 } 2100 2101 int qemu_console_get_height(QemuConsole *con, int fallback) 2102 { 2103 if (con == NULL) { 2104 con = active_console; 2105 } 2106 return con ? surface_height(con->surface) : fallback; 2107 } 2108 2109 static void vc_chr_set_echo(Chardev *chr, bool echo) 2110 { 2111 VCChardev *drv = VC_CHARDEV(chr); 2112 QemuConsole *s = drv->console; 2113 2114 s->echo = echo; 2115 } 2116 2117 static void text_console_update_cursor_timer(void) 2118 { 2119 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) 2120 + CONSOLE_CURSOR_PERIOD / 2); 2121 } 2122 2123 static void text_console_update_cursor(void *opaque) 2124 { 2125 QemuConsole *s; 2126 int count = 0; 2127 2128 cursor_visible_phase = !cursor_visible_phase; 2129 2130 QTAILQ_FOREACH(s, &consoles, next) { 2131 if (qemu_console_is_graphic(s) || 2132 !qemu_console_is_visible(s)) { 2133 continue; 2134 } 2135 count++; 2136 graphic_hw_invalidate(s); 2137 } 2138 2139 if (count) { 2140 text_console_update_cursor_timer(); 2141 } 2142 } 2143 2144 static const GraphicHwOps text_console_ops = { 2145 .invalidate = text_console_invalidate, 2146 .text_update = text_console_update, 2147 }; 2148 2149 static void text_console_do_init(Chardev *chr, DisplayState *ds) 2150 { 2151 VCChardev *drv = VC_CHARDEV(chr); 2152 QemuConsole *s = drv->console; 2153 int g_width = 80 * FONT_WIDTH; 2154 int g_height = 24 * FONT_HEIGHT; 2155 2156 s->out_fifo.buf = s->out_fifo_buf; 2157 s->out_fifo.buf_size = sizeof(s->out_fifo_buf); 2158 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s); 2159 s->ds = ds; 2160 2161 s->y_displayed = 0; 2162 s->y_base = 0; 2163 s->total_height = DEFAULT_BACKSCROLL; 2164 s->x = 0; 2165 s->y = 0; 2166 if (!s->surface) { 2167 if (active_console && active_console->surface) { 2168 g_width = surface_width(active_console->surface); 2169 g_height = surface_height(active_console->surface); 2170 } 2171 s->surface = qemu_create_displaysurface(g_width, g_height); 2172 } 2173 2174 s->hw_ops = &text_console_ops; 2175 s->hw = s; 2176 2177 /* Set text attribute defaults */ 2178 s->t_attrib_default.bold = 0; 2179 s->t_attrib_default.uline = 0; 2180 s->t_attrib_default.blink = 0; 2181 s->t_attrib_default.invers = 0; 2182 s->t_attrib_default.unvisible = 0; 2183 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE; 2184 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK; 2185 /* set current text attributes to default */ 2186 s->t_attrib = s->t_attrib_default; 2187 text_console_resize(s); 2188 2189 if (chr->label) { 2190 char *msg; 2191 2192 s->t_attrib.bgcol = QEMU_COLOR_BLUE; 2193 msg = g_strdup_printf("%s console\r\n", chr->label); 2194 vc_chr_write(chr, (uint8_t *)msg, strlen(msg)); 2195 g_free(msg); 2196 s->t_attrib = s->t_attrib_default; 2197 } 2198 2199 qemu_chr_be_event(chr, CHR_EVENT_OPENED); 2200 } 2201 2202 static void vc_chr_open(Chardev *chr, 2203 ChardevBackend *backend, 2204 bool *be_opened, 2205 Error **errp) 2206 { 2207 ChardevVC *vc = backend->u.vc.data; 2208 VCChardev *drv = VC_CHARDEV(chr); 2209 QemuConsole *s; 2210 unsigned width = 0; 2211 unsigned height = 0; 2212 2213 if (vc->has_width) { 2214 width = vc->width; 2215 } else if (vc->has_cols) { 2216 width = vc->cols * FONT_WIDTH; 2217 } 2218 2219 if (vc->has_height) { 2220 height = vc->height; 2221 } else if (vc->has_rows) { 2222 height = vc->rows * FONT_HEIGHT; 2223 } 2224 2225 trace_console_txt_new(width, height); 2226 if (width == 0 || height == 0) { 2227 s = new_console(NULL, TEXT_CONSOLE, 0); 2228 } else { 2229 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0); 2230 s->surface = qemu_create_displaysurface(width, height); 2231 } 2232 2233 if (!s) { 2234 error_setg(errp, "cannot create text console"); 2235 return; 2236 } 2237 2238 s->chr = chr; 2239 drv->console = s; 2240 2241 if (display_state) { 2242 text_console_do_init(chr, display_state); 2243 } 2244 2245 /* console/chardev init sometimes completes elsewhere in a 2nd 2246 * stage, so defer OPENED events until they are fully initialized 2247 */ 2248 *be_opened = false; 2249 } 2250 2251 void qemu_console_resize(QemuConsole *s, int width, int height) 2252 { 2253 DisplaySurface *surface; 2254 2255 assert(s->console_type == GRAPHIC_CONSOLE); 2256 2257 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) && 2258 pixman_image_get_width(s->surface->image) == width && 2259 pixman_image_get_height(s->surface->image) == height) { 2260 return; 2261 } 2262 2263 surface = qemu_create_displaysurface(width, height); 2264 dpy_gfx_replace_surface(s, surface); 2265 } 2266 2267 DisplaySurface *qemu_console_surface(QemuConsole *console) 2268 { 2269 return console->surface; 2270 } 2271 2272 PixelFormat qemu_default_pixelformat(int bpp) 2273 { 2274 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true); 2275 PixelFormat pf = qemu_pixelformat_from_pixman(fmt); 2276 return pf; 2277 } 2278 2279 static QemuDisplay *dpys[DISPLAY_TYPE__MAX]; 2280 2281 void qemu_display_register(QemuDisplay *ui) 2282 { 2283 assert(ui->type < DISPLAY_TYPE__MAX); 2284 dpys[ui->type] = ui; 2285 } 2286 2287 bool qemu_display_find_default(DisplayOptions *opts) 2288 { 2289 static DisplayType prio[] = { 2290 DISPLAY_TYPE_GTK, 2291 DISPLAY_TYPE_SDL, 2292 DISPLAY_TYPE_COCOA 2293 }; 2294 int i; 2295 2296 for (i = 0; i < ARRAY_SIZE(prio); i++) { 2297 if (dpys[prio[i]] == NULL) { 2298 ui_module_load_one(DisplayType_str(prio[i])); 2299 } 2300 if (dpys[prio[i]] == NULL) { 2301 continue; 2302 } 2303 opts->type = prio[i]; 2304 return true; 2305 } 2306 return false; 2307 } 2308 2309 void qemu_display_early_init(DisplayOptions *opts) 2310 { 2311 assert(opts->type < DISPLAY_TYPE__MAX); 2312 if (opts->type == DISPLAY_TYPE_NONE) { 2313 return; 2314 } 2315 if (dpys[opts->type] == NULL) { 2316 ui_module_load_one(DisplayType_str(opts->type)); 2317 } 2318 if (dpys[opts->type] == NULL) { 2319 error_report("Display '%s' is not available.", 2320 DisplayType_str(opts->type)); 2321 exit(1); 2322 } 2323 if (dpys[opts->type]->early_init) { 2324 dpys[opts->type]->early_init(opts); 2325 } 2326 } 2327 2328 void qemu_display_init(DisplayState *ds, DisplayOptions *opts) 2329 { 2330 assert(opts->type < DISPLAY_TYPE__MAX); 2331 if (opts->type == DISPLAY_TYPE_NONE) { 2332 return; 2333 } 2334 assert(dpys[opts->type] != NULL); 2335 dpys[opts->type]->init(ds, opts); 2336 } 2337 2338 void qemu_display_help(void) 2339 { 2340 int idx; 2341 2342 printf("Available display backend types:\n"); 2343 printf("none\n"); 2344 for (idx = DISPLAY_TYPE_NONE; idx < DISPLAY_TYPE__MAX; idx++) { 2345 if (!dpys[idx]) { 2346 ui_module_load_one(DisplayType_str(idx)); 2347 } 2348 if (dpys[idx]) { 2349 printf("%s\n", DisplayType_str(dpys[idx]->type)); 2350 } 2351 } 2352 } 2353 2354 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp) 2355 { 2356 int val; 2357 ChardevVC *vc; 2358 2359 backend->type = CHARDEV_BACKEND_KIND_VC; 2360 vc = backend->u.vc.data = g_new0(ChardevVC, 1); 2361 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc)); 2362 2363 val = qemu_opt_get_number(opts, "width", 0); 2364 if (val != 0) { 2365 vc->has_width = true; 2366 vc->width = val; 2367 } 2368 2369 val = qemu_opt_get_number(opts, "height", 0); 2370 if (val != 0) { 2371 vc->has_height = true; 2372 vc->height = val; 2373 } 2374 2375 val = qemu_opt_get_number(opts, "cols", 0); 2376 if (val != 0) { 2377 vc->has_cols = true; 2378 vc->cols = val; 2379 } 2380 2381 val = qemu_opt_get_number(opts, "rows", 0); 2382 if (val != 0) { 2383 vc->has_rows = true; 2384 vc->rows = val; 2385 } 2386 } 2387 2388 static const TypeInfo qemu_console_info = { 2389 .name = TYPE_QEMU_CONSOLE, 2390 .parent = TYPE_OBJECT, 2391 .instance_size = sizeof(QemuConsole), 2392 .class_size = sizeof(QemuConsoleClass), 2393 }; 2394 2395 static void char_vc_class_init(ObjectClass *oc, void *data) 2396 { 2397 ChardevClass *cc = CHARDEV_CLASS(oc); 2398 2399 cc->parse = qemu_chr_parse_vc; 2400 cc->open = vc_chr_open; 2401 cc->chr_write = vc_chr_write; 2402 cc->chr_set_echo = vc_chr_set_echo; 2403 } 2404 2405 static const TypeInfo char_vc_type_info = { 2406 .name = TYPE_CHARDEV_VC, 2407 .parent = TYPE_CHARDEV, 2408 .instance_size = sizeof(VCChardev), 2409 .class_init = char_vc_class_init, 2410 }; 2411 2412 void qemu_console_early_init(void) 2413 { 2414 /* set the default vc driver */ 2415 if (!object_class_by_name(TYPE_CHARDEV_VC)) { 2416 type_register(&char_vc_type_info); 2417 } 2418 } 2419 2420 static void register_types(void) 2421 { 2422 type_register_static(&qemu_console_info); 2423 } 2424 2425 type_init(register_types); 2426