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-common.h" 25 #include "ui/console.h" 26 #include "hw/qdev-core.h" 27 #include "qemu/timer.h" 28 #include "qmp-commands.h" 29 #include "sysemu/char.h" 30 #include "trace.h" 31 32 #define DEFAULT_BACKSCROLL 512 33 #define CONSOLE_CURSOR_PERIOD 500 34 35 typedef struct TextAttributes { 36 uint8_t fgcol:4; 37 uint8_t bgcol:4; 38 uint8_t bold:1; 39 uint8_t uline:1; 40 uint8_t blink:1; 41 uint8_t invers:1; 42 uint8_t unvisible:1; 43 } TextAttributes; 44 45 typedef struct TextCell { 46 uint8_t ch; 47 TextAttributes t_attrib; 48 } TextCell; 49 50 #define MAX_ESC_PARAMS 3 51 52 enum TTYState { 53 TTY_STATE_NORM, 54 TTY_STATE_ESC, 55 TTY_STATE_CSI, 56 }; 57 58 typedef struct QEMUFIFO { 59 uint8_t *buf; 60 int buf_size; 61 int count, wptr, rptr; 62 } QEMUFIFO; 63 64 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1) 65 { 66 int l, len; 67 68 l = f->buf_size - f->count; 69 if (len1 > l) 70 len1 = l; 71 len = len1; 72 while (len > 0) { 73 l = f->buf_size - f->wptr; 74 if (l > len) 75 l = len; 76 memcpy(f->buf + f->wptr, buf, l); 77 f->wptr += l; 78 if (f->wptr >= f->buf_size) 79 f->wptr = 0; 80 buf += l; 81 len -= l; 82 } 83 f->count += len1; 84 return len1; 85 } 86 87 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1) 88 { 89 int l, len; 90 91 if (len1 > f->count) 92 len1 = f->count; 93 len = len1; 94 while (len > 0) { 95 l = f->buf_size - f->rptr; 96 if (l > len) 97 l = len; 98 memcpy(buf, f->buf + f->rptr, l); 99 f->rptr += l; 100 if (f->rptr >= f->buf_size) 101 f->rptr = 0; 102 buf += l; 103 len -= l; 104 } 105 f->count -= len1; 106 return len1; 107 } 108 109 typedef enum { 110 GRAPHIC_CONSOLE, 111 TEXT_CONSOLE, 112 TEXT_CONSOLE_FIXED_SIZE 113 } console_type_t; 114 115 struct QemuConsole { 116 Object parent; 117 118 int index; 119 console_type_t console_type; 120 DisplayState *ds; 121 DisplaySurface *surface; 122 int dcls; 123 124 /* Graphic console state. */ 125 Object *device; 126 uint32_t head; 127 QemuUIInfo ui_info; 128 const GraphicHwOps *hw_ops; 129 void *hw; 130 131 /* Text console state */ 132 int width; 133 int height; 134 int total_height; 135 int backscroll_height; 136 int x, y; 137 int x_saved, y_saved; 138 int y_displayed; 139 int y_base; 140 TextAttributes t_attrib_default; /* default text attributes */ 141 TextAttributes t_attrib; /* currently active text attributes */ 142 TextCell *cells; 143 int text_x[2], text_y[2], cursor_invalidate; 144 int echo; 145 146 int update_x0; 147 int update_y0; 148 int update_x1; 149 int update_y1; 150 151 enum TTYState state; 152 int esc_params[MAX_ESC_PARAMS]; 153 int nb_esc_params; 154 155 CharDriverState *chr; 156 /* fifo for key pressed */ 157 QEMUFIFO out_fifo; 158 uint8_t out_fifo_buf[16]; 159 QEMUTimer *kbd_timer; 160 }; 161 162 struct DisplayState { 163 QEMUTimer *gui_timer; 164 uint64_t last_update; 165 uint64_t update_interval; 166 bool refreshing; 167 bool have_gfx; 168 bool have_text; 169 170 QLIST_HEAD(, DisplayChangeListener) listeners; 171 }; 172 173 static DisplayState *display_state; 174 static QemuConsole *active_console; 175 static QemuConsole **consoles; 176 static int nb_consoles = 0; 177 static bool cursor_visible_phase; 178 static QEMUTimer *cursor_timer; 179 180 static void text_console_do_init(CharDriverState *chr, DisplayState *ds); 181 static void dpy_refresh(DisplayState *s); 182 static DisplayState *get_alloc_displaystate(void); 183 static void text_console_update_cursor_timer(void); 184 static void text_console_update_cursor(void *opaque); 185 186 static void gui_update(void *opaque) 187 { 188 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE; 189 uint64_t dcl_interval; 190 DisplayState *ds = opaque; 191 DisplayChangeListener *dcl; 192 int i; 193 194 ds->refreshing = true; 195 dpy_refresh(ds); 196 ds->refreshing = false; 197 198 QLIST_FOREACH(dcl, &ds->listeners, next) { 199 dcl_interval = dcl->update_interval ? 200 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT; 201 if (interval > dcl_interval) { 202 interval = dcl_interval; 203 } 204 } 205 if (ds->update_interval != interval) { 206 ds->update_interval = interval; 207 for (i = 0; i < nb_consoles; i++) { 208 if (consoles[i]->hw_ops->update_interval) { 209 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval); 210 } 211 } 212 trace_console_refresh(interval); 213 } 214 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME); 215 timer_mod(ds->gui_timer, ds->last_update + interval); 216 } 217 218 static void gui_setup_refresh(DisplayState *ds) 219 { 220 DisplayChangeListener *dcl; 221 bool need_timer = false; 222 bool have_gfx = false; 223 bool have_text = false; 224 225 QLIST_FOREACH(dcl, &ds->listeners, next) { 226 if (dcl->ops->dpy_refresh != NULL) { 227 need_timer = true; 228 } 229 if (dcl->ops->dpy_gfx_update != NULL) { 230 have_gfx = true; 231 } 232 if (dcl->ops->dpy_text_update != NULL) { 233 have_text = true; 234 } 235 } 236 237 if (need_timer && ds->gui_timer == NULL) { 238 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds); 239 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)); 240 } 241 if (!need_timer && ds->gui_timer != NULL) { 242 timer_del(ds->gui_timer); 243 timer_free(ds->gui_timer); 244 ds->gui_timer = NULL; 245 } 246 247 ds->have_gfx = have_gfx; 248 ds->have_text = have_text; 249 } 250 251 void graphic_hw_update(QemuConsole *con) 252 { 253 if (!con) { 254 con = active_console; 255 } 256 if (con && con->hw_ops->gfx_update) { 257 con->hw_ops->gfx_update(con->hw); 258 } 259 } 260 261 void graphic_hw_invalidate(QemuConsole *con) 262 { 263 if (!con) { 264 con = active_console; 265 } 266 if (con && con->hw_ops->invalidate) { 267 con->hw_ops->invalidate(con->hw); 268 } 269 } 270 271 static void ppm_save(const char *filename, struct DisplaySurface *ds, 272 Error **errp) 273 { 274 int width = pixman_image_get_width(ds->image); 275 int height = pixman_image_get_height(ds->image); 276 int fd; 277 FILE *f; 278 int y; 279 int ret; 280 pixman_image_t *linebuf; 281 282 trace_ppm_save(filename, ds); 283 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666); 284 if (fd == -1) { 285 error_setg(errp, "failed to open file '%s': %s", filename, 286 strerror(errno)); 287 return; 288 } 289 f = fdopen(fd, "wb"); 290 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255); 291 if (ret < 0) { 292 linebuf = NULL; 293 goto write_err; 294 } 295 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width); 296 for (y = 0; y < height; y++) { 297 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y); 298 clearerr(f); 299 ret = fwrite(pixman_image_get_data(linebuf), 1, 300 pixman_image_get_stride(linebuf), f); 301 (void)ret; 302 if (ferror(f)) { 303 goto write_err; 304 } 305 } 306 307 out: 308 qemu_pixman_image_unref(linebuf); 309 fclose(f); 310 return; 311 312 write_err: 313 error_setg(errp, "failed to write to file '%s': %s", filename, 314 strerror(errno)); 315 unlink(filename); 316 goto out; 317 } 318 319 void qmp_screendump(const char *filename, Error **errp) 320 { 321 QemuConsole *con = qemu_console_lookup_by_index(0); 322 DisplaySurface *surface; 323 324 if (con == NULL) { 325 error_setg(errp, "There is no QemuConsole I can screendump from."); 326 return; 327 } 328 329 graphic_hw_update(con); 330 surface = qemu_console_surface(con); 331 ppm_save(filename, surface, errp); 332 } 333 334 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata) 335 { 336 if (!con) { 337 con = active_console; 338 } 339 if (con && con->hw_ops->text_update) { 340 con->hw_ops->text_update(con->hw, chardata); 341 } 342 } 343 344 static void vga_fill_rect(QemuConsole *con, 345 int posx, int posy, int width, int height, 346 pixman_color_t color) 347 { 348 DisplaySurface *surface = qemu_console_surface(con); 349 pixman_rectangle16_t rect = { 350 .x = posx, .y = posy, .width = width, .height = height 351 }; 352 353 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image, 354 &color, 1, &rect); 355 } 356 357 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */ 358 static void vga_bitblt(QemuConsole *con, 359 int xs, int ys, int xd, int yd, int w, int h) 360 { 361 DisplaySurface *surface = qemu_console_surface(con); 362 363 pixman_image_composite(PIXMAN_OP_SRC, 364 surface->image, NULL, surface->image, 365 xs, ys, 0, 0, xd, yd, w, h); 366 } 367 368 /***********************************************************/ 369 /* basic char display */ 370 371 #define FONT_HEIGHT 16 372 #define FONT_WIDTH 8 373 374 #include "vgafont.h" 375 376 #ifndef CONFIG_CURSES 377 enum color_names { 378 COLOR_BLACK = 0, 379 COLOR_RED = 1, 380 COLOR_GREEN = 2, 381 COLOR_YELLOW = 3, 382 COLOR_BLUE = 4, 383 COLOR_MAGENTA = 5, 384 COLOR_CYAN = 6, 385 COLOR_WHITE = 7 386 }; 387 #endif 388 389 #define QEMU_RGB(r, g, b) \ 390 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff } 391 392 static const pixman_color_t color_table_rgb[2][8] = { 393 { /* dark */ 394 QEMU_RGB(0x00, 0x00, 0x00), /* black */ 395 QEMU_RGB(0xaa, 0x00, 0x00), /* red */ 396 QEMU_RGB(0x00, 0xaa, 0x00), /* green */ 397 QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */ 398 QEMU_RGB(0x00, 0x00, 0xaa), /* blue */ 399 QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */ 400 QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */ 401 QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */ 402 }, 403 { /* bright */ 404 QEMU_RGB(0x00, 0x00, 0x00), /* black */ 405 QEMU_RGB(0xff, 0x00, 0x00), /* red */ 406 QEMU_RGB(0x00, 0xff, 0x00), /* green */ 407 QEMU_RGB(0xff, 0xff, 0x00), /* yellow */ 408 QEMU_RGB(0x00, 0x00, 0xff), /* blue */ 409 QEMU_RGB(0xff, 0x00, 0xff), /* magenta */ 410 QEMU_RGB(0x00, 0xff, 0xff), /* cyan */ 411 QEMU_RGB(0xff, 0xff, 0xff), /* white */ 412 } 413 }; 414 415 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch, 416 TextAttributes *t_attrib) 417 { 418 static pixman_image_t *glyphs[256]; 419 DisplaySurface *surface = qemu_console_surface(s); 420 pixman_color_t fgcol, bgcol; 421 422 if (t_attrib->invers) { 423 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol]; 424 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol]; 425 } else { 426 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol]; 427 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol]; 428 } 429 430 if (!glyphs[ch]) { 431 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch); 432 } 433 qemu_pixman_glyph_render(glyphs[ch], surface->image, 434 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT); 435 } 436 437 static void text_console_resize(QemuConsole *s) 438 { 439 TextCell *cells, *c, *c1; 440 int w1, x, y, last_width; 441 442 last_width = s->width; 443 s->width = surface_width(s->surface) / FONT_WIDTH; 444 s->height = surface_height(s->surface) / FONT_HEIGHT; 445 446 w1 = last_width; 447 if (s->width < w1) 448 w1 = s->width; 449 450 cells = g_malloc(s->width * s->total_height * sizeof(TextCell)); 451 for(y = 0; y < s->total_height; y++) { 452 c = &cells[y * s->width]; 453 if (w1 > 0) { 454 c1 = &s->cells[y * last_width]; 455 for(x = 0; x < w1; x++) { 456 *c++ = *c1++; 457 } 458 } 459 for(x = w1; x < s->width; x++) { 460 c->ch = ' '; 461 c->t_attrib = s->t_attrib_default; 462 c++; 463 } 464 } 465 g_free(s->cells); 466 s->cells = cells; 467 } 468 469 static inline void text_update_xy(QemuConsole *s, int x, int y) 470 { 471 s->text_x[0] = MIN(s->text_x[0], x); 472 s->text_x[1] = MAX(s->text_x[1], x); 473 s->text_y[0] = MIN(s->text_y[0], y); 474 s->text_y[1] = MAX(s->text_y[1], y); 475 } 476 477 static void invalidate_xy(QemuConsole *s, int x, int y) 478 { 479 if (!qemu_console_is_visible(s)) { 480 return; 481 } 482 if (s->update_x0 > x * FONT_WIDTH) 483 s->update_x0 = x * FONT_WIDTH; 484 if (s->update_y0 > y * FONT_HEIGHT) 485 s->update_y0 = y * FONT_HEIGHT; 486 if (s->update_x1 < (x + 1) * FONT_WIDTH) 487 s->update_x1 = (x + 1) * FONT_WIDTH; 488 if (s->update_y1 < (y + 1) * FONT_HEIGHT) 489 s->update_y1 = (y + 1) * FONT_HEIGHT; 490 } 491 492 static void update_xy(QemuConsole *s, int x, int y) 493 { 494 TextCell *c; 495 int y1, y2; 496 497 if (s->ds->have_text) { 498 text_update_xy(s, x, y); 499 } 500 501 y1 = (s->y_base + y) % s->total_height; 502 y2 = y1 - s->y_displayed; 503 if (y2 < 0) { 504 y2 += s->total_height; 505 } 506 if (y2 < s->height) { 507 c = &s->cells[y1 * s->width + x]; 508 vga_putcharxy(s, x, y2, c->ch, 509 &(c->t_attrib)); 510 invalidate_xy(s, x, y2); 511 } 512 } 513 514 static void console_show_cursor(QemuConsole *s, int show) 515 { 516 TextCell *c; 517 int y, y1; 518 int x = s->x; 519 520 if (s->ds->have_text) { 521 s->cursor_invalidate = 1; 522 } 523 524 if (x >= s->width) { 525 x = s->width - 1; 526 } 527 y1 = (s->y_base + s->y) % s->total_height; 528 y = y1 - s->y_displayed; 529 if (y < 0) { 530 y += s->total_height; 531 } 532 if (y < s->height) { 533 c = &s->cells[y1 * s->width + x]; 534 if (show && cursor_visible_phase) { 535 TextAttributes t_attrib = s->t_attrib_default; 536 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */ 537 vga_putcharxy(s, x, y, c->ch, &t_attrib); 538 } else { 539 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib)); 540 } 541 invalidate_xy(s, x, y); 542 } 543 } 544 545 static void console_refresh(QemuConsole *s) 546 { 547 DisplaySurface *surface = qemu_console_surface(s); 548 TextCell *c; 549 int x, y, y1; 550 551 if (s->ds->have_text) { 552 s->text_x[0] = 0; 553 s->text_y[0] = 0; 554 s->text_x[1] = s->width - 1; 555 s->text_y[1] = s->height - 1; 556 s->cursor_invalidate = 1; 557 } 558 559 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface), 560 color_table_rgb[0][COLOR_BLACK]); 561 y1 = s->y_displayed; 562 for (y = 0; y < s->height; y++) { 563 c = s->cells + y1 * s->width; 564 for (x = 0; x < s->width; x++) { 565 vga_putcharxy(s, x, y, c->ch, 566 &(c->t_attrib)); 567 c++; 568 } 569 if (++y1 == s->total_height) { 570 y1 = 0; 571 } 572 } 573 console_show_cursor(s, 1); 574 dpy_gfx_update(s, 0, 0, 575 surface_width(surface), surface_height(surface)); 576 } 577 578 static void console_scroll(QemuConsole *s, int ydelta) 579 { 580 int i, y1; 581 582 if (ydelta > 0) { 583 for(i = 0; i < ydelta; i++) { 584 if (s->y_displayed == s->y_base) 585 break; 586 if (++s->y_displayed == s->total_height) 587 s->y_displayed = 0; 588 } 589 } else { 590 ydelta = -ydelta; 591 i = s->backscroll_height; 592 if (i > s->total_height - s->height) 593 i = s->total_height - s->height; 594 y1 = s->y_base - i; 595 if (y1 < 0) 596 y1 += s->total_height; 597 for(i = 0; i < ydelta; i++) { 598 if (s->y_displayed == y1) 599 break; 600 if (--s->y_displayed < 0) 601 s->y_displayed = s->total_height - 1; 602 } 603 } 604 console_refresh(s); 605 } 606 607 static void console_put_lf(QemuConsole *s) 608 { 609 TextCell *c; 610 int x, y1; 611 612 s->y++; 613 if (s->y >= s->height) { 614 s->y = s->height - 1; 615 616 if (s->y_displayed == s->y_base) { 617 if (++s->y_displayed == s->total_height) 618 s->y_displayed = 0; 619 } 620 if (++s->y_base == s->total_height) 621 s->y_base = 0; 622 if (s->backscroll_height < s->total_height) 623 s->backscroll_height++; 624 y1 = (s->y_base + s->height - 1) % s->total_height; 625 c = &s->cells[y1 * s->width]; 626 for(x = 0; x < s->width; x++) { 627 c->ch = ' '; 628 c->t_attrib = s->t_attrib_default; 629 c++; 630 } 631 if (s->y_displayed == s->y_base) { 632 if (s->ds->have_text) { 633 s->text_x[0] = 0; 634 s->text_y[0] = 0; 635 s->text_x[1] = s->width - 1; 636 s->text_y[1] = s->height - 1; 637 } 638 639 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0, 640 s->width * FONT_WIDTH, 641 (s->height - 1) * FONT_HEIGHT); 642 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT, 643 s->width * FONT_WIDTH, FONT_HEIGHT, 644 color_table_rgb[0][s->t_attrib_default.bgcol]); 645 s->update_x0 = 0; 646 s->update_y0 = 0; 647 s->update_x1 = s->width * FONT_WIDTH; 648 s->update_y1 = s->height * FONT_HEIGHT; 649 } 650 } 651 } 652 653 /* Set console attributes depending on the current escape codes. 654 * NOTE: I know this code is not very efficient (checking every color for it 655 * self) but it is more readable and better maintainable. 656 */ 657 static void console_handle_escape(QemuConsole *s) 658 { 659 int i; 660 661 for (i=0; i<s->nb_esc_params; i++) { 662 switch (s->esc_params[i]) { 663 case 0: /* reset all console attributes to default */ 664 s->t_attrib = s->t_attrib_default; 665 break; 666 case 1: 667 s->t_attrib.bold = 1; 668 break; 669 case 4: 670 s->t_attrib.uline = 1; 671 break; 672 case 5: 673 s->t_attrib.blink = 1; 674 break; 675 case 7: 676 s->t_attrib.invers = 1; 677 break; 678 case 8: 679 s->t_attrib.unvisible = 1; 680 break; 681 case 22: 682 s->t_attrib.bold = 0; 683 break; 684 case 24: 685 s->t_attrib.uline = 0; 686 break; 687 case 25: 688 s->t_attrib.blink = 0; 689 break; 690 case 27: 691 s->t_attrib.invers = 0; 692 break; 693 case 28: 694 s->t_attrib.unvisible = 0; 695 break; 696 /* set foreground color */ 697 case 30: 698 s->t_attrib.fgcol=COLOR_BLACK; 699 break; 700 case 31: 701 s->t_attrib.fgcol=COLOR_RED; 702 break; 703 case 32: 704 s->t_attrib.fgcol=COLOR_GREEN; 705 break; 706 case 33: 707 s->t_attrib.fgcol=COLOR_YELLOW; 708 break; 709 case 34: 710 s->t_attrib.fgcol=COLOR_BLUE; 711 break; 712 case 35: 713 s->t_attrib.fgcol=COLOR_MAGENTA; 714 break; 715 case 36: 716 s->t_attrib.fgcol=COLOR_CYAN; 717 break; 718 case 37: 719 s->t_attrib.fgcol=COLOR_WHITE; 720 break; 721 /* set background color */ 722 case 40: 723 s->t_attrib.bgcol=COLOR_BLACK; 724 break; 725 case 41: 726 s->t_attrib.bgcol=COLOR_RED; 727 break; 728 case 42: 729 s->t_attrib.bgcol=COLOR_GREEN; 730 break; 731 case 43: 732 s->t_attrib.bgcol=COLOR_YELLOW; 733 break; 734 case 44: 735 s->t_attrib.bgcol=COLOR_BLUE; 736 break; 737 case 45: 738 s->t_attrib.bgcol=COLOR_MAGENTA; 739 break; 740 case 46: 741 s->t_attrib.bgcol=COLOR_CYAN; 742 break; 743 case 47: 744 s->t_attrib.bgcol=COLOR_WHITE; 745 break; 746 } 747 } 748 } 749 750 static void console_clear_xy(QemuConsole *s, int x, int y) 751 { 752 int y1 = (s->y_base + y) % s->total_height; 753 TextCell *c = &s->cells[y1 * s->width + x]; 754 c->ch = ' '; 755 c->t_attrib = s->t_attrib_default; 756 update_xy(s, x, y); 757 } 758 759 /* set cursor, checking bounds */ 760 static void set_cursor(QemuConsole *s, int x, int y) 761 { 762 if (x < 0) { 763 x = 0; 764 } 765 if (y < 0) { 766 y = 0; 767 } 768 if (y >= s->height) { 769 y = s->height - 1; 770 } 771 if (x >= s->width) { 772 x = s->width - 1; 773 } 774 775 s->x = x; 776 s->y = y; 777 } 778 779 static void console_putchar(QemuConsole *s, int ch) 780 { 781 TextCell *c; 782 int y1, i; 783 int x, y; 784 785 switch(s->state) { 786 case TTY_STATE_NORM: 787 switch(ch) { 788 case '\r': /* carriage return */ 789 s->x = 0; 790 break; 791 case '\n': /* newline */ 792 console_put_lf(s); 793 break; 794 case '\b': /* backspace */ 795 if (s->x > 0) 796 s->x--; 797 break; 798 case '\t': /* tabspace */ 799 if (s->x + (8 - (s->x % 8)) > s->width) { 800 s->x = 0; 801 console_put_lf(s); 802 } else { 803 s->x = s->x + (8 - (s->x % 8)); 804 } 805 break; 806 case '\a': /* alert aka. bell */ 807 /* TODO: has to be implemented */ 808 break; 809 case 14: 810 /* SI (shift in), character set 0 (ignored) */ 811 break; 812 case 15: 813 /* SO (shift out), character set 1 (ignored) */ 814 break; 815 case 27: /* esc (introducing an escape sequence) */ 816 s->state = TTY_STATE_ESC; 817 break; 818 default: 819 if (s->x >= s->width) { 820 /* line wrap */ 821 s->x = 0; 822 console_put_lf(s); 823 } 824 y1 = (s->y_base + s->y) % s->total_height; 825 c = &s->cells[y1 * s->width + s->x]; 826 c->ch = ch; 827 c->t_attrib = s->t_attrib; 828 update_xy(s, s->x, s->y); 829 s->x++; 830 break; 831 } 832 break; 833 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */ 834 if (ch == '[') { 835 for(i=0;i<MAX_ESC_PARAMS;i++) 836 s->esc_params[i] = 0; 837 s->nb_esc_params = 0; 838 s->state = TTY_STATE_CSI; 839 } else { 840 s->state = TTY_STATE_NORM; 841 } 842 break; 843 case TTY_STATE_CSI: /* handle escape sequence parameters */ 844 if (ch >= '0' && ch <= '9') { 845 if (s->nb_esc_params < MAX_ESC_PARAMS) { 846 int *param = &s->esc_params[s->nb_esc_params]; 847 int digit = (ch - '0'); 848 849 *param = (*param <= (INT_MAX - digit) / 10) ? 850 *param * 10 + digit : INT_MAX; 851 } 852 } else { 853 if (s->nb_esc_params < MAX_ESC_PARAMS) 854 s->nb_esc_params++; 855 if (ch == ';') 856 break; 857 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1], 858 ch, s->nb_esc_params); 859 s->state = TTY_STATE_NORM; 860 switch(ch) { 861 case 'A': 862 /* move cursor up */ 863 if (s->esc_params[0] == 0) { 864 s->esc_params[0] = 1; 865 } 866 set_cursor(s, s->x, s->y - s->esc_params[0]); 867 break; 868 case 'B': 869 /* move cursor down */ 870 if (s->esc_params[0] == 0) { 871 s->esc_params[0] = 1; 872 } 873 set_cursor(s, s->x, s->y + s->esc_params[0]); 874 break; 875 case 'C': 876 /* move cursor right */ 877 if (s->esc_params[0] == 0) { 878 s->esc_params[0] = 1; 879 } 880 set_cursor(s, s->x + s->esc_params[0], s->y); 881 break; 882 case 'D': 883 /* move cursor left */ 884 if (s->esc_params[0] == 0) { 885 s->esc_params[0] = 1; 886 } 887 set_cursor(s, s->x - s->esc_params[0], s->y); 888 break; 889 case 'G': 890 /* move cursor to column */ 891 set_cursor(s, s->esc_params[0] - 1, s->y); 892 break; 893 case 'f': 894 case 'H': 895 /* move cursor to row, column */ 896 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1); 897 break; 898 case 'J': 899 switch (s->esc_params[0]) { 900 case 0: 901 /* clear to end of screen */ 902 for (y = s->y; y < s->height; y++) { 903 for (x = 0; x < s->width; x++) { 904 if (y == s->y && x < s->x) { 905 continue; 906 } 907 console_clear_xy(s, x, y); 908 } 909 } 910 break; 911 case 1: 912 /* clear from beginning of screen */ 913 for (y = 0; y <= s->y; y++) { 914 for (x = 0; x < s->width; x++) { 915 if (y == s->y && x > s->x) { 916 break; 917 } 918 console_clear_xy(s, x, y); 919 } 920 } 921 break; 922 case 2: 923 /* clear entire screen */ 924 for (y = 0; y <= s->height; y++) { 925 for (x = 0; x < s->width; x++) { 926 console_clear_xy(s, x, y); 927 } 928 } 929 break; 930 } 931 break; 932 case 'K': 933 switch (s->esc_params[0]) { 934 case 0: 935 /* clear to eol */ 936 for(x = s->x; x < s->width; x++) { 937 console_clear_xy(s, x, s->y); 938 } 939 break; 940 case 1: 941 /* clear from beginning of line */ 942 for (x = 0; x <= s->x; x++) { 943 console_clear_xy(s, x, s->y); 944 } 945 break; 946 case 2: 947 /* clear entire line */ 948 for(x = 0; x < s->width; x++) { 949 console_clear_xy(s, x, s->y); 950 } 951 break; 952 } 953 break; 954 case 'm': 955 console_handle_escape(s); 956 break; 957 case 'n': 958 /* report cursor position */ 959 /* TODO: send ESC[row;colR */ 960 break; 961 case 's': 962 /* save cursor position */ 963 s->x_saved = s->x; 964 s->y_saved = s->y; 965 break; 966 case 'u': 967 /* restore cursor position */ 968 s->x = s->x_saved; 969 s->y = s->y_saved; 970 break; 971 default: 972 trace_console_putchar_unhandled(ch); 973 break; 974 } 975 break; 976 } 977 } 978 } 979 980 void console_select(unsigned int index) 981 { 982 DisplayChangeListener *dcl; 983 QemuConsole *s; 984 985 trace_console_select(index); 986 s = qemu_console_lookup_by_index(index); 987 if (s) { 988 DisplayState *ds = s->ds; 989 990 active_console = s; 991 if (ds->have_gfx) { 992 QLIST_FOREACH(dcl, &ds->listeners, next) { 993 if (dcl->con != NULL) { 994 continue; 995 } 996 if (dcl->ops->dpy_gfx_switch) { 997 dcl->ops->dpy_gfx_switch(dcl, s->surface); 998 } 999 } 1000 dpy_gfx_update(s, 0, 0, surface_width(s->surface), 1001 surface_height(s->surface)); 1002 } 1003 if (ds->have_text) { 1004 dpy_text_resize(s, s->width, s->height); 1005 } 1006 text_console_update_cursor(NULL); 1007 } 1008 } 1009 1010 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len) 1011 { 1012 QemuConsole *s = chr->opaque; 1013 int i; 1014 1015 s->update_x0 = s->width * FONT_WIDTH; 1016 s->update_y0 = s->height * FONT_HEIGHT; 1017 s->update_x1 = 0; 1018 s->update_y1 = 0; 1019 console_show_cursor(s, 0); 1020 for(i = 0; i < len; i++) { 1021 console_putchar(s, buf[i]); 1022 } 1023 console_show_cursor(s, 1); 1024 if (s->ds->have_gfx && s->update_x0 < s->update_x1) { 1025 dpy_gfx_update(s, s->update_x0, s->update_y0, 1026 s->update_x1 - s->update_x0, 1027 s->update_y1 - s->update_y0); 1028 } 1029 return len; 1030 } 1031 1032 static void kbd_send_chars(void *opaque) 1033 { 1034 QemuConsole *s = opaque; 1035 int len; 1036 uint8_t buf[16]; 1037 1038 len = qemu_chr_be_can_write(s->chr); 1039 if (len > s->out_fifo.count) 1040 len = s->out_fifo.count; 1041 if (len > 0) { 1042 if (len > sizeof(buf)) 1043 len = sizeof(buf); 1044 qemu_fifo_read(&s->out_fifo, buf, len); 1045 qemu_chr_be_write(s->chr, buf, len); 1046 } 1047 /* characters are pending: we send them a bit later (XXX: 1048 horrible, should change char device API) */ 1049 if (s->out_fifo.count > 0) { 1050 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1); 1051 } 1052 } 1053 1054 /* called when an ascii key is pressed */ 1055 void kbd_put_keysym_console(QemuConsole *s, int keysym) 1056 { 1057 uint8_t buf[16], *q; 1058 int c; 1059 1060 if (!s || (s->console_type == GRAPHIC_CONSOLE)) 1061 return; 1062 1063 switch(keysym) { 1064 case QEMU_KEY_CTRL_UP: 1065 console_scroll(s, -1); 1066 break; 1067 case QEMU_KEY_CTRL_DOWN: 1068 console_scroll(s, 1); 1069 break; 1070 case QEMU_KEY_CTRL_PAGEUP: 1071 console_scroll(s, -10); 1072 break; 1073 case QEMU_KEY_CTRL_PAGEDOWN: 1074 console_scroll(s, 10); 1075 break; 1076 default: 1077 /* convert the QEMU keysym to VT100 key string */ 1078 q = buf; 1079 if (keysym >= 0xe100 && keysym <= 0xe11f) { 1080 *q++ = '\033'; 1081 *q++ = '['; 1082 c = keysym - 0xe100; 1083 if (c >= 10) 1084 *q++ = '0' + (c / 10); 1085 *q++ = '0' + (c % 10); 1086 *q++ = '~'; 1087 } else if (keysym >= 0xe120 && keysym <= 0xe17f) { 1088 *q++ = '\033'; 1089 *q++ = '['; 1090 *q++ = keysym & 0xff; 1091 } else if (s->echo && (keysym == '\r' || keysym == '\n')) { 1092 console_puts(s->chr, (const uint8_t *) "\r", 1); 1093 *q++ = '\n'; 1094 } else { 1095 *q++ = keysym; 1096 } 1097 if (s->echo) { 1098 console_puts(s->chr, buf, q - buf); 1099 } 1100 if (s->chr->chr_read) { 1101 qemu_fifo_write(&s->out_fifo, buf, q - buf); 1102 kbd_send_chars(s); 1103 } 1104 break; 1105 } 1106 } 1107 1108 static const int qcode_to_keysym[Q_KEY_CODE_MAX] = { 1109 [Q_KEY_CODE_UP] = QEMU_KEY_UP, 1110 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN, 1111 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT, 1112 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT, 1113 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME, 1114 [Q_KEY_CODE_END] = QEMU_KEY_END, 1115 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP, 1116 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN, 1117 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE, 1118 }; 1119 1120 bool kbd_put_qcode_console(QemuConsole *s, int qcode) 1121 { 1122 int keysym; 1123 1124 keysym = qcode_to_keysym[qcode]; 1125 if (keysym == 0) { 1126 return false; 1127 } 1128 kbd_put_keysym_console(s, keysym); 1129 return true; 1130 } 1131 1132 void kbd_put_string_console(QemuConsole *s, const char *str, int len) 1133 { 1134 int i; 1135 1136 for (i = 0; i < len && str[i]; i++) { 1137 kbd_put_keysym_console(s, str[i]); 1138 } 1139 } 1140 1141 void kbd_put_keysym(int keysym) 1142 { 1143 kbd_put_keysym_console(active_console, keysym); 1144 } 1145 1146 static void text_console_invalidate(void *opaque) 1147 { 1148 QemuConsole *s = (QemuConsole *) opaque; 1149 1150 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) { 1151 text_console_resize(s); 1152 } 1153 console_refresh(s); 1154 } 1155 1156 static void text_console_update(void *opaque, console_ch_t *chardata) 1157 { 1158 QemuConsole *s = (QemuConsole *) opaque; 1159 int i, j, src; 1160 1161 if (s->text_x[0] <= s->text_x[1]) { 1162 src = (s->y_base + s->text_y[0]) * s->width; 1163 chardata += s->text_y[0] * s->width; 1164 for (i = s->text_y[0]; i <= s->text_y[1]; i ++) 1165 for (j = 0; j < s->width; j ++, src ++) 1166 console_write_ch(chardata ++, s->cells[src].ch | 1167 (s->cells[src].t_attrib.fgcol << 12) | 1168 (s->cells[src].t_attrib.bgcol << 8) | 1169 (s->cells[src].t_attrib.bold << 21)); 1170 dpy_text_update(s, s->text_x[0], s->text_y[0], 1171 s->text_x[1] - s->text_x[0], i - s->text_y[0]); 1172 s->text_x[0] = s->width; 1173 s->text_y[0] = s->height; 1174 s->text_x[1] = 0; 1175 s->text_y[1] = 0; 1176 } 1177 if (s->cursor_invalidate) { 1178 dpy_text_cursor(s, s->x, s->y); 1179 s->cursor_invalidate = 0; 1180 } 1181 } 1182 1183 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type, 1184 uint32_t head) 1185 { 1186 Object *obj; 1187 QemuConsole *s; 1188 int i; 1189 1190 obj = object_new(TYPE_QEMU_CONSOLE); 1191 s = QEMU_CONSOLE(obj); 1192 s->head = head; 1193 object_property_add_link(obj, "device", TYPE_DEVICE, 1194 (Object **)&s->device, 1195 object_property_allow_set_link, 1196 OBJ_PROP_LINK_UNREF_ON_RELEASE, 1197 &error_abort); 1198 object_property_add_uint32_ptr(obj, "head", 1199 &s->head, &error_abort); 1200 1201 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) && 1202 (console_type == GRAPHIC_CONSOLE))) { 1203 active_console = s; 1204 } 1205 s->ds = ds; 1206 s->console_type = console_type; 1207 1208 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1)); 1209 if (console_type != GRAPHIC_CONSOLE) { 1210 s->index = nb_consoles; 1211 consoles[nb_consoles++] = s; 1212 } else { 1213 /* HACK: Put graphical consoles before text consoles. */ 1214 for (i = nb_consoles; i > 0; i--) { 1215 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE) 1216 break; 1217 consoles[i] = consoles[i - 1]; 1218 consoles[i]->index = i; 1219 } 1220 s->index = i; 1221 consoles[i] = s; 1222 nb_consoles++; 1223 } 1224 return s; 1225 } 1226 1227 static void qemu_alloc_display(DisplaySurface *surface, int width, int height, 1228 int linesize, PixelFormat pf, int newflags) 1229 { 1230 surface->pf = pf; 1231 1232 qemu_pixman_image_unref(surface->image); 1233 surface->image = NULL; 1234 1235 surface->format = qemu_pixman_get_format(&pf); 1236 assert(surface->format != 0); 1237 surface->image = pixman_image_create_bits(surface->format, 1238 width, height, 1239 NULL, linesize); 1240 assert(surface->image != NULL); 1241 1242 surface->flags = newflags | QEMU_ALLOCATED_FLAG; 1243 #ifdef HOST_WORDS_BIGENDIAN 1244 surface->flags |= QEMU_BIG_ENDIAN_FLAG; 1245 #endif 1246 } 1247 1248 DisplaySurface *qemu_create_displaysurface(int width, int height) 1249 { 1250 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1251 int linesize = width * 4; 1252 1253 trace_displaysurface_create(surface, width, height); 1254 qemu_alloc_display(surface, width, height, linesize, 1255 qemu_default_pixelformat(32), 0); 1256 return surface; 1257 } 1258 1259 DisplaySurface *qemu_create_displaysurface_from(int width, int height, int bpp, 1260 int linesize, uint8_t *data, 1261 bool byteswap) 1262 { 1263 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1264 1265 trace_displaysurface_create_from(surface, width, height, bpp, byteswap); 1266 if (byteswap) { 1267 surface->pf = qemu_different_endianness_pixelformat(bpp); 1268 } else { 1269 surface->pf = qemu_default_pixelformat(bpp); 1270 } 1271 1272 surface->format = qemu_pixman_get_format(&surface->pf); 1273 assert(surface->format != 0); 1274 surface->image = pixman_image_create_bits(surface->format, 1275 width, height, 1276 (void *)data, linesize); 1277 assert(surface->image != NULL); 1278 1279 #ifdef HOST_WORDS_BIGENDIAN 1280 surface->flags = QEMU_BIG_ENDIAN_FLAG; 1281 #endif 1282 1283 return surface; 1284 } 1285 1286 static DisplaySurface *qemu_create_message_surface(int w, int h, 1287 const char *msg) 1288 { 1289 DisplaySurface *surface = qemu_create_displaysurface(w, h); 1290 pixman_color_t bg = color_table_rgb[0][COLOR_BLACK]; 1291 pixman_color_t fg = color_table_rgb[0][COLOR_WHITE]; 1292 pixman_image_t *glyph; 1293 int len, x, y, i; 1294 1295 len = strlen(msg); 1296 x = (w / FONT_WIDTH - len) / 2; 1297 y = (h / FONT_HEIGHT - 1) / 2; 1298 for (i = 0; i < len; i++) { 1299 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]); 1300 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg, 1301 x+i, y, FONT_WIDTH, FONT_HEIGHT); 1302 qemu_pixman_image_unref(glyph); 1303 } 1304 return surface; 1305 } 1306 1307 void qemu_free_displaysurface(DisplaySurface *surface) 1308 { 1309 if (surface == NULL) { 1310 return; 1311 } 1312 trace_displaysurface_free(surface); 1313 qemu_pixman_image_unref(surface->image); 1314 g_free(surface); 1315 } 1316 1317 void register_displaychangelistener(DisplayChangeListener *dcl) 1318 { 1319 static const char nodev[] = 1320 "This VM has no graphic display device."; 1321 static DisplaySurface *dummy; 1322 QemuConsole *con; 1323 1324 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name); 1325 dcl->ds = get_alloc_displaystate(); 1326 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next); 1327 gui_setup_refresh(dcl->ds); 1328 if (dcl->con) { 1329 dcl->con->dcls++; 1330 con = dcl->con; 1331 } else { 1332 con = active_console; 1333 } 1334 if (dcl->ops->dpy_gfx_switch) { 1335 if (con) { 1336 dcl->ops->dpy_gfx_switch(dcl, con->surface); 1337 } else { 1338 if (!dummy) { 1339 dummy = qemu_create_message_surface(640, 480, nodev); 1340 } 1341 dcl->ops->dpy_gfx_switch(dcl, dummy); 1342 } 1343 } 1344 text_console_update_cursor(NULL); 1345 } 1346 1347 void update_displaychangelistener(DisplayChangeListener *dcl, 1348 uint64_t interval) 1349 { 1350 DisplayState *ds = dcl->ds; 1351 1352 dcl->update_interval = interval; 1353 if (!ds->refreshing && ds->update_interval > interval) { 1354 timer_mod(ds->gui_timer, ds->last_update + interval); 1355 } 1356 } 1357 1358 void unregister_displaychangelistener(DisplayChangeListener *dcl) 1359 { 1360 DisplayState *ds = dcl->ds; 1361 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name); 1362 if (dcl->con) { 1363 dcl->con->dcls--; 1364 } 1365 QLIST_REMOVE(dcl, next); 1366 gui_setup_refresh(ds); 1367 } 1368 1369 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info) 1370 { 1371 assert(con != NULL); 1372 con->ui_info = *info; 1373 if (con->hw_ops->ui_info) { 1374 return con->hw_ops->ui_info(con->hw, con->head, info); 1375 } 1376 return -1; 1377 } 1378 1379 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h) 1380 { 1381 DisplayState *s = con->ds; 1382 DisplayChangeListener *dcl; 1383 int width = surface_width(con->surface); 1384 int height = surface_height(con->surface); 1385 1386 x = MAX(x, 0); 1387 y = MAX(y, 0); 1388 x = MIN(x, width); 1389 y = MIN(y, height); 1390 w = MIN(w, width - x); 1391 h = MIN(h, height - y); 1392 1393 if (!qemu_console_is_visible(con)) { 1394 return; 1395 } 1396 QLIST_FOREACH(dcl, &s->listeners, next) { 1397 if (con != (dcl->con ? dcl->con : active_console)) { 1398 continue; 1399 } 1400 if (dcl->ops->dpy_gfx_update) { 1401 dcl->ops->dpy_gfx_update(dcl, x, y, w, h); 1402 } 1403 } 1404 } 1405 1406 void dpy_gfx_replace_surface(QemuConsole *con, 1407 DisplaySurface *surface) 1408 { 1409 DisplayState *s = con->ds; 1410 DisplaySurface *old_surface = con->surface; 1411 DisplayChangeListener *dcl; 1412 1413 con->surface = surface; 1414 QLIST_FOREACH(dcl, &s->listeners, next) { 1415 if (con != (dcl->con ? dcl->con : active_console)) { 1416 continue; 1417 } 1418 if (dcl->ops->dpy_gfx_switch) { 1419 dcl->ops->dpy_gfx_switch(dcl, surface); 1420 } 1421 } 1422 qemu_free_displaysurface(old_surface); 1423 } 1424 1425 static void dpy_refresh(DisplayState *s) 1426 { 1427 DisplayChangeListener *dcl; 1428 1429 QLIST_FOREACH(dcl, &s->listeners, next) { 1430 if (dcl->ops->dpy_refresh) { 1431 dcl->ops->dpy_refresh(dcl); 1432 } 1433 } 1434 } 1435 1436 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y, 1437 int dst_x, int dst_y, int w, int h) 1438 { 1439 DisplayState *s = con->ds; 1440 DisplayChangeListener *dcl; 1441 1442 if (!qemu_console_is_visible(con)) { 1443 return; 1444 } 1445 QLIST_FOREACH(dcl, &s->listeners, next) { 1446 if (con != (dcl->con ? dcl->con : active_console)) { 1447 continue; 1448 } 1449 if (dcl->ops->dpy_gfx_copy) { 1450 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h); 1451 } else { /* TODO */ 1452 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h); 1453 } 1454 } 1455 } 1456 1457 void dpy_text_cursor(QemuConsole *con, int x, int y) 1458 { 1459 DisplayState *s = con->ds; 1460 DisplayChangeListener *dcl; 1461 1462 if (!qemu_console_is_visible(con)) { 1463 return; 1464 } 1465 QLIST_FOREACH(dcl, &s->listeners, next) { 1466 if (con != (dcl->con ? dcl->con : active_console)) { 1467 continue; 1468 } 1469 if (dcl->ops->dpy_text_cursor) { 1470 dcl->ops->dpy_text_cursor(dcl, x, y); 1471 } 1472 } 1473 } 1474 1475 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h) 1476 { 1477 DisplayState *s = con->ds; 1478 DisplayChangeListener *dcl; 1479 1480 if (!qemu_console_is_visible(con)) { 1481 return; 1482 } 1483 QLIST_FOREACH(dcl, &s->listeners, next) { 1484 if (con != (dcl->con ? dcl->con : active_console)) { 1485 continue; 1486 } 1487 if (dcl->ops->dpy_text_update) { 1488 dcl->ops->dpy_text_update(dcl, x, y, w, h); 1489 } 1490 } 1491 } 1492 1493 void dpy_text_resize(QemuConsole *con, int w, int h) 1494 { 1495 DisplayState *s = con->ds; 1496 struct DisplayChangeListener *dcl; 1497 1498 if (!qemu_console_is_visible(con)) { 1499 return; 1500 } 1501 QLIST_FOREACH(dcl, &s->listeners, next) { 1502 if (con != (dcl->con ? dcl->con : active_console)) { 1503 continue; 1504 } 1505 if (dcl->ops->dpy_text_resize) { 1506 dcl->ops->dpy_text_resize(dcl, w, h); 1507 } 1508 } 1509 } 1510 1511 void dpy_mouse_set(QemuConsole *con, int x, int y, int on) 1512 { 1513 DisplayState *s = con->ds; 1514 DisplayChangeListener *dcl; 1515 1516 if (!qemu_console_is_visible(con)) { 1517 return; 1518 } 1519 QLIST_FOREACH(dcl, &s->listeners, next) { 1520 if (con != (dcl->con ? dcl->con : active_console)) { 1521 continue; 1522 } 1523 if (dcl->ops->dpy_mouse_set) { 1524 dcl->ops->dpy_mouse_set(dcl, x, y, on); 1525 } 1526 } 1527 } 1528 1529 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor) 1530 { 1531 DisplayState *s = con->ds; 1532 DisplayChangeListener *dcl; 1533 1534 if (!qemu_console_is_visible(con)) { 1535 return; 1536 } 1537 QLIST_FOREACH(dcl, &s->listeners, next) { 1538 if (con != (dcl->con ? dcl->con : active_console)) { 1539 continue; 1540 } 1541 if (dcl->ops->dpy_cursor_define) { 1542 dcl->ops->dpy_cursor_define(dcl, cursor); 1543 } 1544 } 1545 } 1546 1547 bool dpy_cursor_define_supported(QemuConsole *con) 1548 { 1549 DisplayState *s = con->ds; 1550 DisplayChangeListener *dcl; 1551 1552 QLIST_FOREACH(dcl, &s->listeners, next) { 1553 if (dcl->ops->dpy_cursor_define) { 1554 return true; 1555 } 1556 } 1557 return false; 1558 } 1559 1560 /***********************************************************/ 1561 /* register display */ 1562 1563 /* console.c internal use only */ 1564 static DisplayState *get_alloc_displaystate(void) 1565 { 1566 if (!display_state) { 1567 display_state = g_new0(DisplayState, 1); 1568 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME, 1569 text_console_update_cursor, NULL); 1570 } 1571 return display_state; 1572 } 1573 1574 /* 1575 * Called by main(), after creating QemuConsoles 1576 * and before initializing ui (sdl/vnc/...). 1577 */ 1578 DisplayState *init_displaystate(void) 1579 { 1580 gchar *name; 1581 int i; 1582 1583 get_alloc_displaystate(); 1584 for (i = 0; i < nb_consoles; i++) { 1585 if (consoles[i]->console_type != GRAPHIC_CONSOLE && 1586 consoles[i]->ds == NULL) { 1587 text_console_do_init(consoles[i]->chr, display_state); 1588 } 1589 1590 /* Hook up into the qom tree here (not in new_console()), once 1591 * all QemuConsoles are created and the order / numbering 1592 * doesn't change any more */ 1593 name = g_strdup_printf("console[%d]", i); 1594 object_property_add_child(container_get(object_get_root(), "/backend"), 1595 name, OBJECT(consoles[i]), &error_abort); 1596 g_free(name); 1597 } 1598 1599 return display_state; 1600 } 1601 1602 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head, 1603 const GraphicHwOps *hw_ops, 1604 void *opaque) 1605 { 1606 static const char noinit[] = 1607 "Guest has not initialized the display (yet)."; 1608 int width = 640; 1609 int height = 480; 1610 QemuConsole *s; 1611 DisplayState *ds; 1612 1613 ds = get_alloc_displaystate(); 1614 trace_console_gfx_new(); 1615 s = new_console(ds, GRAPHIC_CONSOLE, head); 1616 s->hw_ops = hw_ops; 1617 s->hw = opaque; 1618 if (dev) { 1619 object_property_set_link(OBJECT(s), OBJECT(dev), "device", 1620 &error_abort); 1621 } 1622 1623 s->surface = qemu_create_message_surface(width, height, noinit); 1624 return s; 1625 } 1626 1627 QemuConsole *qemu_console_lookup_by_index(unsigned int index) 1628 { 1629 if (index >= nb_consoles) { 1630 return NULL; 1631 } 1632 return consoles[index]; 1633 } 1634 1635 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head) 1636 { 1637 Object *obj; 1638 uint32_t h; 1639 int i; 1640 1641 for (i = 0; i < nb_consoles; i++) { 1642 if (!consoles[i]) { 1643 continue; 1644 } 1645 obj = object_property_get_link(OBJECT(consoles[i]), 1646 "device", &error_abort); 1647 if (DEVICE(obj) != dev) { 1648 continue; 1649 } 1650 h = object_property_get_int(OBJECT(consoles[i]), 1651 "head", &error_abort); 1652 if (h != head) { 1653 continue; 1654 } 1655 return consoles[i]; 1656 } 1657 return NULL; 1658 } 1659 1660 bool qemu_console_is_visible(QemuConsole *con) 1661 { 1662 return (con == active_console) || (con->dcls > 0); 1663 } 1664 1665 bool qemu_console_is_graphic(QemuConsole *con) 1666 { 1667 if (con == NULL) { 1668 con = active_console; 1669 } 1670 return con && (con->console_type == GRAPHIC_CONSOLE); 1671 } 1672 1673 bool qemu_console_is_fixedsize(QemuConsole *con) 1674 { 1675 if (con == NULL) { 1676 con = active_console; 1677 } 1678 return con && (con->console_type != TEXT_CONSOLE); 1679 } 1680 1681 int qemu_console_get_index(QemuConsole *con) 1682 { 1683 if (con == NULL) { 1684 con = active_console; 1685 } 1686 return con ? con->index : -1; 1687 } 1688 1689 uint32_t qemu_console_get_head(QemuConsole *con) 1690 { 1691 if (con == NULL) { 1692 con = active_console; 1693 } 1694 return con ? con->head : -1; 1695 } 1696 1697 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con) 1698 { 1699 assert(con != NULL); 1700 return &con->ui_info; 1701 } 1702 1703 int qemu_console_get_width(QemuConsole *con, int fallback) 1704 { 1705 if (con == NULL) { 1706 con = active_console; 1707 } 1708 return con ? surface_width(con->surface) : fallback; 1709 } 1710 1711 int qemu_console_get_height(QemuConsole *con, int fallback) 1712 { 1713 if (con == NULL) { 1714 con = active_console; 1715 } 1716 return con ? surface_height(con->surface) : fallback; 1717 } 1718 1719 static void text_console_set_echo(CharDriverState *chr, bool echo) 1720 { 1721 QemuConsole *s = chr->opaque; 1722 1723 s->echo = echo; 1724 } 1725 1726 static void text_console_update_cursor_timer(void) 1727 { 1728 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) 1729 + CONSOLE_CURSOR_PERIOD / 2); 1730 } 1731 1732 static void text_console_update_cursor(void *opaque) 1733 { 1734 QemuConsole *s; 1735 int i, count = 0; 1736 1737 cursor_visible_phase = !cursor_visible_phase; 1738 1739 for (i = 0; i < nb_consoles; i++) { 1740 s = consoles[i]; 1741 if (qemu_console_is_graphic(s) || 1742 !qemu_console_is_visible(s)) { 1743 continue; 1744 } 1745 count++; 1746 graphic_hw_invalidate(s); 1747 } 1748 1749 if (count) { 1750 text_console_update_cursor_timer(); 1751 } 1752 } 1753 1754 static const GraphicHwOps text_console_ops = { 1755 .invalidate = text_console_invalidate, 1756 .text_update = text_console_update, 1757 }; 1758 1759 static void text_console_do_init(CharDriverState *chr, DisplayState *ds) 1760 { 1761 QemuConsole *s; 1762 int g_width = 80 * FONT_WIDTH; 1763 int g_height = 24 * FONT_HEIGHT; 1764 1765 s = chr->opaque; 1766 1767 chr->chr_write = console_puts; 1768 1769 s->out_fifo.buf = s->out_fifo_buf; 1770 s->out_fifo.buf_size = sizeof(s->out_fifo_buf); 1771 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s); 1772 s->ds = ds; 1773 1774 s->y_displayed = 0; 1775 s->y_base = 0; 1776 s->total_height = DEFAULT_BACKSCROLL; 1777 s->x = 0; 1778 s->y = 0; 1779 if (!s->surface) { 1780 if (active_console && active_console->surface) { 1781 g_width = surface_width(active_console->surface); 1782 g_height = surface_height(active_console->surface); 1783 } 1784 s->surface = qemu_create_displaysurface(g_width, g_height); 1785 } 1786 1787 s->hw_ops = &text_console_ops; 1788 s->hw = s; 1789 1790 /* Set text attribute defaults */ 1791 s->t_attrib_default.bold = 0; 1792 s->t_attrib_default.uline = 0; 1793 s->t_attrib_default.blink = 0; 1794 s->t_attrib_default.invers = 0; 1795 s->t_attrib_default.unvisible = 0; 1796 s->t_attrib_default.fgcol = COLOR_WHITE; 1797 s->t_attrib_default.bgcol = COLOR_BLACK; 1798 /* set current text attributes to default */ 1799 s->t_attrib = s->t_attrib_default; 1800 text_console_resize(s); 1801 1802 if (chr->label) { 1803 char msg[128]; 1804 int len; 1805 1806 s->t_attrib.bgcol = COLOR_BLUE; 1807 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label); 1808 console_puts(chr, (uint8_t*)msg, len); 1809 s->t_attrib = s->t_attrib_default; 1810 } 1811 1812 qemu_chr_be_generic_open(chr); 1813 if (chr->init) 1814 chr->init(chr); 1815 } 1816 1817 static CharDriverState *text_console_init(ChardevVC *vc) 1818 { 1819 CharDriverState *chr; 1820 QemuConsole *s; 1821 unsigned width = 0; 1822 unsigned height = 0; 1823 1824 chr = g_malloc0(sizeof(CharDriverState)); 1825 1826 if (vc->has_width) { 1827 width = vc->width; 1828 } else if (vc->has_cols) { 1829 width = vc->cols * FONT_WIDTH; 1830 } 1831 1832 if (vc->has_height) { 1833 height = vc->height; 1834 } else if (vc->has_rows) { 1835 height = vc->rows * FONT_HEIGHT; 1836 } 1837 1838 trace_console_txt_new(width, height); 1839 if (width == 0 || height == 0) { 1840 s = new_console(NULL, TEXT_CONSOLE, 0); 1841 } else { 1842 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0); 1843 s->surface = qemu_create_displaysurface(width, height); 1844 } 1845 1846 if (!s) { 1847 g_free(chr); 1848 return NULL; 1849 } 1850 1851 s->chr = chr; 1852 chr->opaque = s; 1853 chr->chr_set_echo = text_console_set_echo; 1854 /* console/chardev init sometimes completes elsewhere in a 2nd 1855 * stage, so defer OPENED events until they are fully initialized 1856 */ 1857 chr->explicit_be_open = true; 1858 1859 if (display_state) { 1860 text_console_do_init(chr, display_state); 1861 } 1862 return chr; 1863 } 1864 1865 static VcHandler *vc_handler = text_console_init; 1866 1867 CharDriverState *vc_init(ChardevVC *vc) 1868 { 1869 return vc_handler(vc); 1870 } 1871 1872 void register_vc_handler(VcHandler *handler) 1873 { 1874 vc_handler = handler; 1875 } 1876 1877 void qemu_console_resize(QemuConsole *s, int width, int height) 1878 { 1879 DisplaySurface *surface; 1880 1881 assert(s->console_type == GRAPHIC_CONSOLE); 1882 surface = qemu_create_displaysurface(width, height); 1883 dpy_gfx_replace_surface(s, surface); 1884 } 1885 1886 void qemu_console_copy(QemuConsole *con, int src_x, int src_y, 1887 int dst_x, int dst_y, int w, int h) 1888 { 1889 assert(con->console_type == GRAPHIC_CONSOLE); 1890 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h); 1891 } 1892 1893 DisplaySurface *qemu_console_surface(QemuConsole *console) 1894 { 1895 return console->surface; 1896 } 1897 1898 DisplayState *qemu_console_displaystate(QemuConsole *console) 1899 { 1900 return console->ds; 1901 } 1902 1903 PixelFormat qemu_different_endianness_pixelformat(int bpp) 1904 { 1905 PixelFormat pf; 1906 1907 memset(&pf, 0x00, sizeof(PixelFormat)); 1908 1909 pf.bits_per_pixel = bpp; 1910 pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8); 1911 pf.depth = bpp == 32 ? 24 : bpp; 1912 1913 switch (bpp) { 1914 case 24: 1915 pf.rmask = 0x000000FF; 1916 pf.gmask = 0x0000FF00; 1917 pf.bmask = 0x00FF0000; 1918 pf.rmax = 255; 1919 pf.gmax = 255; 1920 pf.bmax = 255; 1921 pf.rshift = 0; 1922 pf.gshift = 8; 1923 pf.bshift = 16; 1924 pf.rbits = 8; 1925 pf.gbits = 8; 1926 pf.bbits = 8; 1927 break; 1928 case 32: 1929 pf.rmask = 0x0000FF00; 1930 pf.gmask = 0x00FF0000; 1931 pf.bmask = 0xFF000000; 1932 pf.amask = 0x00000000; 1933 pf.amax = 255; 1934 pf.rmax = 255; 1935 pf.gmax = 255; 1936 pf.bmax = 255; 1937 pf.ashift = 0; 1938 pf.rshift = 8; 1939 pf.gshift = 16; 1940 pf.bshift = 24; 1941 pf.rbits = 8; 1942 pf.gbits = 8; 1943 pf.bbits = 8; 1944 pf.abits = 8; 1945 break; 1946 default: 1947 break; 1948 } 1949 return pf; 1950 } 1951 1952 PixelFormat qemu_default_pixelformat(int bpp) 1953 { 1954 PixelFormat pf; 1955 1956 memset(&pf, 0x00, sizeof(PixelFormat)); 1957 1958 pf.bits_per_pixel = bpp; 1959 pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8); 1960 pf.depth = bpp == 32 ? 24 : bpp; 1961 1962 switch (bpp) { 1963 case 15: 1964 pf.bits_per_pixel = 16; 1965 pf.rmask = 0x00007c00; 1966 pf.gmask = 0x000003E0; 1967 pf.bmask = 0x0000001F; 1968 pf.rmax = 31; 1969 pf.gmax = 31; 1970 pf.bmax = 31; 1971 pf.rshift = 10; 1972 pf.gshift = 5; 1973 pf.bshift = 0; 1974 pf.rbits = 5; 1975 pf.gbits = 5; 1976 pf.bbits = 5; 1977 break; 1978 case 16: 1979 pf.rmask = 0x0000F800; 1980 pf.gmask = 0x000007E0; 1981 pf.bmask = 0x0000001F; 1982 pf.rmax = 31; 1983 pf.gmax = 63; 1984 pf.bmax = 31; 1985 pf.rshift = 11; 1986 pf.gshift = 5; 1987 pf.bshift = 0; 1988 pf.rbits = 5; 1989 pf.gbits = 6; 1990 pf.bbits = 5; 1991 break; 1992 case 24: 1993 pf.rmask = 0x00FF0000; 1994 pf.gmask = 0x0000FF00; 1995 pf.bmask = 0x000000FF; 1996 pf.rmax = 255; 1997 pf.gmax = 255; 1998 pf.bmax = 255; 1999 pf.rshift = 16; 2000 pf.gshift = 8; 2001 pf.bshift = 0; 2002 pf.rbits = 8; 2003 pf.gbits = 8; 2004 pf.bbits = 8; 2005 break; 2006 case 32: 2007 pf.rmask = 0x00FF0000; 2008 pf.gmask = 0x0000FF00; 2009 pf.bmask = 0x000000FF; 2010 pf.rmax = 255; 2011 pf.gmax = 255; 2012 pf.bmax = 255; 2013 pf.rshift = 16; 2014 pf.gshift = 8; 2015 pf.bshift = 0; 2016 pf.rbits = 8; 2017 pf.gbits = 8; 2018 pf.bbits = 8; 2019 break; 2020 default: 2021 break; 2022 } 2023 return pf; 2024 } 2025 2026 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, 2027 Error **errp) 2028 { 2029 int val; 2030 2031 backend->vc = g_new0(ChardevVC, 1); 2032 2033 val = qemu_opt_get_number(opts, "width", 0); 2034 if (val != 0) { 2035 backend->vc->has_width = true; 2036 backend->vc->width = val; 2037 } 2038 2039 val = qemu_opt_get_number(opts, "height", 0); 2040 if (val != 0) { 2041 backend->vc->has_height = true; 2042 backend->vc->height = val; 2043 } 2044 2045 val = qemu_opt_get_number(opts, "cols", 0); 2046 if (val != 0) { 2047 backend->vc->has_cols = true; 2048 backend->vc->cols = val; 2049 } 2050 2051 val = qemu_opt_get_number(opts, "rows", 0); 2052 if (val != 0) { 2053 backend->vc->has_rows = true; 2054 backend->vc->rows = val; 2055 } 2056 } 2057 2058 static const TypeInfo qemu_console_info = { 2059 .name = TYPE_QEMU_CONSOLE, 2060 .parent = TYPE_OBJECT, 2061 .instance_size = sizeof(QemuConsole), 2062 .class_size = sizeof(QemuConsoleClass), 2063 }; 2064 2065 2066 static void register_types(void) 2067 { 2068 type_register_static(&qemu_console_info); 2069 register_char_driver_qapi("vc", CHARDEV_BACKEND_KIND_VC, 2070 qemu_chr_parse_vc); 2071 } 2072 2073 type_init(register_types); 2074