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 #include "exec/memory.h" 32 33 #define DEFAULT_BACKSCROLL 512 34 #define CONSOLE_CURSOR_PERIOD 500 35 36 typedef struct TextAttributes { 37 uint8_t fgcol:4; 38 uint8_t bgcol:4; 39 uint8_t bold:1; 40 uint8_t uline:1; 41 uint8_t blink:1; 42 uint8_t invers:1; 43 uint8_t unvisible:1; 44 } TextAttributes; 45 46 typedef struct TextCell { 47 uint8_t ch; 48 TextAttributes t_attrib; 49 } TextCell; 50 51 #define MAX_ESC_PARAMS 3 52 53 enum TTYState { 54 TTY_STATE_NORM, 55 TTY_STATE_ESC, 56 TTY_STATE_CSI, 57 }; 58 59 typedef struct QEMUFIFO { 60 uint8_t *buf; 61 int buf_size; 62 int count, wptr, rptr; 63 } QEMUFIFO; 64 65 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1) 66 { 67 int l, len; 68 69 l = f->buf_size - f->count; 70 if (len1 > l) 71 len1 = l; 72 len = len1; 73 while (len > 0) { 74 l = f->buf_size - f->wptr; 75 if (l > len) 76 l = len; 77 memcpy(f->buf + f->wptr, buf, l); 78 f->wptr += l; 79 if (f->wptr >= f->buf_size) 80 f->wptr = 0; 81 buf += l; 82 len -= l; 83 } 84 f->count += len1; 85 return len1; 86 } 87 88 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1) 89 { 90 int l, len; 91 92 if (len1 > f->count) 93 len1 = f->count; 94 len = len1; 95 while (len > 0) { 96 l = f->buf_size - f->rptr; 97 if (l > len) 98 l = len; 99 memcpy(buf, f->buf + f->rptr, l); 100 f->rptr += l; 101 if (f->rptr >= f->buf_size) 102 f->rptr = 0; 103 buf += l; 104 len -= l; 105 } 106 f->count -= len1; 107 return len1; 108 } 109 110 typedef enum { 111 GRAPHIC_CONSOLE, 112 TEXT_CONSOLE, 113 TEXT_CONSOLE_FIXED_SIZE 114 } console_type_t; 115 116 struct QemuConsole { 117 Object parent; 118 119 int index; 120 console_type_t console_type; 121 DisplayState *ds; 122 DisplaySurface *surface; 123 int dcls; 124 125 /* Graphic console state. */ 126 Object *device; 127 uint32_t head; 128 QemuUIInfo ui_info; 129 const GraphicHwOps *hw_ops; 130 void *hw; 131 132 /* Text console state */ 133 int width; 134 int height; 135 int total_height; 136 int backscroll_height; 137 int x, y; 138 int x_saved, y_saved; 139 int y_displayed; 140 int y_base; 141 TextAttributes t_attrib_default; /* default text attributes */ 142 TextAttributes t_attrib; /* currently active text attributes */ 143 TextCell *cells; 144 int text_x[2], text_y[2], cursor_invalidate; 145 int echo; 146 147 int update_x0; 148 int update_y0; 149 int update_x1; 150 int update_y1; 151 152 enum TTYState state; 153 int esc_params[MAX_ESC_PARAMS]; 154 int nb_esc_params; 155 156 CharDriverState *chr; 157 /* fifo for key pressed */ 158 QEMUFIFO out_fifo; 159 uint8_t out_fifo_buf[16]; 160 QEMUTimer *kbd_timer; 161 }; 162 163 struct DisplayState { 164 QEMUTimer *gui_timer; 165 uint64_t last_update; 166 uint64_t update_interval; 167 bool refreshing; 168 bool have_gfx; 169 bool have_text; 170 171 QLIST_HEAD(, DisplayChangeListener) listeners; 172 }; 173 174 static DisplayState *display_state; 175 static QemuConsole *active_console; 176 static QemuConsole **consoles; 177 static int nb_consoles = 0; 178 static bool cursor_visible_phase; 179 static QEMUTimer *cursor_timer; 180 181 static void text_console_do_init(CharDriverState *chr, DisplayState *ds); 182 static void dpy_refresh(DisplayState *s); 183 static DisplayState *get_alloc_displaystate(void); 184 static void text_console_update_cursor_timer(void); 185 static void text_console_update_cursor(void *opaque); 186 187 static void gui_update(void *opaque) 188 { 189 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE; 190 uint64_t dcl_interval; 191 DisplayState *ds = opaque; 192 DisplayChangeListener *dcl; 193 int i; 194 195 ds->refreshing = true; 196 dpy_refresh(ds); 197 ds->refreshing = false; 198 199 QLIST_FOREACH(dcl, &ds->listeners, next) { 200 dcl_interval = dcl->update_interval ? 201 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT; 202 if (interval > dcl_interval) { 203 interval = dcl_interval; 204 } 205 } 206 if (ds->update_interval != interval) { 207 ds->update_interval = interval; 208 for (i = 0; i < nb_consoles; i++) { 209 if (consoles[i]->hw_ops->update_interval) { 210 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval); 211 } 212 } 213 trace_console_refresh(interval); 214 } 215 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME); 216 timer_mod(ds->gui_timer, ds->last_update + interval); 217 } 218 219 static void gui_setup_refresh(DisplayState *ds) 220 { 221 DisplayChangeListener *dcl; 222 bool need_timer = false; 223 bool have_gfx = false; 224 bool have_text = false; 225 226 QLIST_FOREACH(dcl, &ds->listeners, next) { 227 if (dcl->ops->dpy_refresh != NULL) { 228 need_timer = true; 229 } 230 if (dcl->ops->dpy_gfx_update != NULL) { 231 have_gfx = true; 232 } 233 if (dcl->ops->dpy_text_update != NULL) { 234 have_text = true; 235 } 236 } 237 238 if (need_timer && ds->gui_timer == NULL) { 239 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds); 240 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)); 241 } 242 if (!need_timer && ds->gui_timer != NULL) { 243 timer_del(ds->gui_timer); 244 timer_free(ds->gui_timer); 245 ds->gui_timer = NULL; 246 } 247 248 ds->have_gfx = have_gfx; 249 ds->have_text = have_text; 250 } 251 252 void graphic_hw_update(QemuConsole *con) 253 { 254 if (!con) { 255 con = active_console; 256 } 257 if (con && con->hw_ops->gfx_update) { 258 con->hw_ops->gfx_update(con->hw); 259 } 260 } 261 262 void graphic_hw_invalidate(QemuConsole *con) 263 { 264 if (!con) { 265 con = active_console; 266 } 267 if (con && con->hw_ops->invalidate) { 268 con->hw_ops->invalidate(con->hw); 269 } 270 } 271 272 static void ppm_save(const char *filename, struct DisplaySurface *ds, 273 Error **errp) 274 { 275 int width = pixman_image_get_width(ds->image); 276 int height = pixman_image_get_height(ds->image); 277 int fd; 278 FILE *f; 279 int y; 280 int ret; 281 pixman_image_t *linebuf; 282 283 trace_ppm_save(filename, ds); 284 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666); 285 if (fd == -1) { 286 error_setg(errp, "failed to open file '%s': %s", filename, 287 strerror(errno)); 288 return; 289 } 290 f = fdopen(fd, "wb"); 291 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255); 292 if (ret < 0) { 293 linebuf = NULL; 294 goto write_err; 295 } 296 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width); 297 for (y = 0; y < height; y++) { 298 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y); 299 clearerr(f); 300 ret = fwrite(pixman_image_get_data(linebuf), 1, 301 pixman_image_get_stride(linebuf), f); 302 (void)ret; 303 if (ferror(f)) { 304 goto write_err; 305 } 306 } 307 308 out: 309 qemu_pixman_image_unref(linebuf); 310 fclose(f); 311 return; 312 313 write_err: 314 error_setg(errp, "failed to write to file '%s': %s", filename, 315 strerror(errno)); 316 unlink(filename); 317 goto out; 318 } 319 320 void qmp_screendump(const char *filename, Error **errp) 321 { 322 QemuConsole *con = qemu_console_lookup_by_index(0); 323 DisplaySurface *surface; 324 325 if (con == NULL) { 326 error_setg(errp, "There is no QemuConsole I can screendump from."); 327 return; 328 } 329 330 graphic_hw_update(con); 331 surface = qemu_console_surface(con); 332 ppm_save(filename, surface, errp); 333 } 334 335 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata) 336 { 337 if (!con) { 338 con = active_console; 339 } 340 if (con && con->hw_ops->text_update) { 341 con->hw_ops->text_update(con->hw, chardata); 342 } 343 } 344 345 static void vga_fill_rect(QemuConsole *con, 346 int posx, int posy, int width, int height, 347 pixman_color_t color) 348 { 349 DisplaySurface *surface = qemu_console_surface(con); 350 pixman_rectangle16_t rect = { 351 .x = posx, .y = posy, .width = width, .height = height 352 }; 353 354 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image, 355 &color, 1, &rect); 356 } 357 358 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */ 359 static void vga_bitblt(QemuConsole *con, 360 int xs, int ys, int xd, int yd, int w, int h) 361 { 362 DisplaySurface *surface = qemu_console_surface(con); 363 364 pixman_image_composite(PIXMAN_OP_SRC, 365 surface->image, NULL, surface->image, 366 xs, ys, 0, 0, xd, yd, w, h); 367 } 368 369 /***********************************************************/ 370 /* basic char display */ 371 372 #define FONT_HEIGHT 16 373 #define FONT_WIDTH 8 374 375 #include "vgafont.h" 376 377 #ifndef CONFIG_CURSES 378 enum color_names { 379 COLOR_BLACK = 0, 380 COLOR_RED = 1, 381 COLOR_GREEN = 2, 382 COLOR_YELLOW = 3, 383 COLOR_BLUE = 4, 384 COLOR_MAGENTA = 5, 385 COLOR_CYAN = 6, 386 COLOR_WHITE = 7 387 }; 388 #endif 389 390 #define QEMU_RGB(r, g, b) \ 391 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff } 392 393 static const pixman_color_t color_table_rgb[2][8] = { 394 { /* dark */ 395 QEMU_RGB(0x00, 0x00, 0x00), /* black */ 396 QEMU_RGB(0xaa, 0x00, 0x00), /* red */ 397 QEMU_RGB(0x00, 0xaa, 0x00), /* green */ 398 QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */ 399 QEMU_RGB(0x00, 0x00, 0xaa), /* blue */ 400 QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */ 401 QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */ 402 QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */ 403 }, 404 { /* bright */ 405 QEMU_RGB(0x00, 0x00, 0x00), /* black */ 406 QEMU_RGB(0xff, 0x00, 0x00), /* red */ 407 QEMU_RGB(0x00, 0xff, 0x00), /* green */ 408 QEMU_RGB(0xff, 0xff, 0x00), /* yellow */ 409 QEMU_RGB(0x00, 0x00, 0xff), /* blue */ 410 QEMU_RGB(0xff, 0x00, 0xff), /* magenta */ 411 QEMU_RGB(0x00, 0xff, 0xff), /* cyan */ 412 QEMU_RGB(0xff, 0xff, 0xff), /* white */ 413 } 414 }; 415 416 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch, 417 TextAttributes *t_attrib) 418 { 419 static pixman_image_t *glyphs[256]; 420 DisplaySurface *surface = qemu_console_surface(s); 421 pixman_color_t fgcol, bgcol; 422 423 if (t_attrib->invers) { 424 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol]; 425 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol]; 426 } else { 427 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol]; 428 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol]; 429 } 430 431 if (!glyphs[ch]) { 432 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch); 433 } 434 qemu_pixman_glyph_render(glyphs[ch], surface->image, 435 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT); 436 } 437 438 static void text_console_resize(QemuConsole *s) 439 { 440 TextCell *cells, *c, *c1; 441 int w1, x, y, last_width; 442 443 last_width = s->width; 444 s->width = surface_width(s->surface) / FONT_WIDTH; 445 s->height = surface_height(s->surface) / FONT_HEIGHT; 446 447 w1 = last_width; 448 if (s->width < w1) 449 w1 = s->width; 450 451 cells = g_malloc(s->width * s->total_height * sizeof(TextCell)); 452 for(y = 0; y < s->total_height; y++) { 453 c = &cells[y * s->width]; 454 if (w1 > 0) { 455 c1 = &s->cells[y * last_width]; 456 for(x = 0; x < w1; x++) { 457 *c++ = *c1++; 458 } 459 } 460 for(x = w1; x < s->width; x++) { 461 c->ch = ' '; 462 c->t_attrib = s->t_attrib_default; 463 c++; 464 } 465 } 466 g_free(s->cells); 467 s->cells = cells; 468 } 469 470 static inline void text_update_xy(QemuConsole *s, int x, int y) 471 { 472 s->text_x[0] = MIN(s->text_x[0], x); 473 s->text_x[1] = MAX(s->text_x[1], x); 474 s->text_y[0] = MIN(s->text_y[0], y); 475 s->text_y[1] = MAX(s->text_y[1], y); 476 } 477 478 static void invalidate_xy(QemuConsole *s, int x, int y) 479 { 480 if (!qemu_console_is_visible(s)) { 481 return; 482 } 483 if (s->update_x0 > x * FONT_WIDTH) 484 s->update_x0 = x * FONT_WIDTH; 485 if (s->update_y0 > y * FONT_HEIGHT) 486 s->update_y0 = y * FONT_HEIGHT; 487 if (s->update_x1 < (x + 1) * FONT_WIDTH) 488 s->update_x1 = (x + 1) * FONT_WIDTH; 489 if (s->update_y1 < (y + 1) * FONT_HEIGHT) 490 s->update_y1 = (y + 1) * FONT_HEIGHT; 491 } 492 493 static void update_xy(QemuConsole *s, int x, int y) 494 { 495 TextCell *c; 496 int y1, y2; 497 498 if (s->ds->have_text) { 499 text_update_xy(s, x, y); 500 } 501 502 y1 = (s->y_base + y) % s->total_height; 503 y2 = y1 - s->y_displayed; 504 if (y2 < 0) { 505 y2 += s->total_height; 506 } 507 if (y2 < s->height) { 508 c = &s->cells[y1 * s->width + x]; 509 vga_putcharxy(s, x, y2, c->ch, 510 &(c->t_attrib)); 511 invalidate_xy(s, x, y2); 512 } 513 } 514 515 static void console_show_cursor(QemuConsole *s, int show) 516 { 517 TextCell *c; 518 int y, y1; 519 int x = s->x; 520 521 if (s->ds->have_text) { 522 s->cursor_invalidate = 1; 523 } 524 525 if (x >= s->width) { 526 x = s->width - 1; 527 } 528 y1 = (s->y_base + s->y) % s->total_height; 529 y = y1 - s->y_displayed; 530 if (y < 0) { 531 y += s->total_height; 532 } 533 if (y < s->height) { 534 c = &s->cells[y1 * s->width + x]; 535 if (show && cursor_visible_phase) { 536 TextAttributes t_attrib = s->t_attrib_default; 537 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */ 538 vga_putcharxy(s, x, y, c->ch, &t_attrib); 539 } else { 540 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib)); 541 } 542 invalidate_xy(s, x, y); 543 } 544 } 545 546 static void console_refresh(QemuConsole *s) 547 { 548 DisplaySurface *surface = qemu_console_surface(s); 549 TextCell *c; 550 int x, y, y1; 551 552 if (s->ds->have_text) { 553 s->text_x[0] = 0; 554 s->text_y[0] = 0; 555 s->text_x[1] = s->width - 1; 556 s->text_y[1] = s->height - 1; 557 s->cursor_invalidate = 1; 558 } 559 560 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface), 561 color_table_rgb[0][COLOR_BLACK]); 562 y1 = s->y_displayed; 563 for (y = 0; y < s->height; y++) { 564 c = s->cells + y1 * s->width; 565 for (x = 0; x < s->width; x++) { 566 vga_putcharxy(s, x, y, c->ch, 567 &(c->t_attrib)); 568 c++; 569 } 570 if (++y1 == s->total_height) { 571 y1 = 0; 572 } 573 } 574 console_show_cursor(s, 1); 575 dpy_gfx_update(s, 0, 0, 576 surface_width(surface), surface_height(surface)); 577 } 578 579 static void console_scroll(QemuConsole *s, int ydelta) 580 { 581 int i, y1; 582 583 if (ydelta > 0) { 584 for(i = 0; i < ydelta; i++) { 585 if (s->y_displayed == s->y_base) 586 break; 587 if (++s->y_displayed == s->total_height) 588 s->y_displayed = 0; 589 } 590 } else { 591 ydelta = -ydelta; 592 i = s->backscroll_height; 593 if (i > s->total_height - s->height) 594 i = s->total_height - s->height; 595 y1 = s->y_base - i; 596 if (y1 < 0) 597 y1 += s->total_height; 598 for(i = 0; i < ydelta; i++) { 599 if (s->y_displayed == y1) 600 break; 601 if (--s->y_displayed < 0) 602 s->y_displayed = s->total_height - 1; 603 } 604 } 605 console_refresh(s); 606 } 607 608 static void console_put_lf(QemuConsole *s) 609 { 610 TextCell *c; 611 int x, y1; 612 613 s->y++; 614 if (s->y >= s->height) { 615 s->y = s->height - 1; 616 617 if (s->y_displayed == s->y_base) { 618 if (++s->y_displayed == s->total_height) 619 s->y_displayed = 0; 620 } 621 if (++s->y_base == s->total_height) 622 s->y_base = 0; 623 if (s->backscroll_height < s->total_height) 624 s->backscroll_height++; 625 y1 = (s->y_base + s->height - 1) % s->total_height; 626 c = &s->cells[y1 * s->width]; 627 for(x = 0; x < s->width; x++) { 628 c->ch = ' '; 629 c->t_attrib = s->t_attrib_default; 630 c++; 631 } 632 if (s->y_displayed == s->y_base) { 633 if (s->ds->have_text) { 634 s->text_x[0] = 0; 635 s->text_y[0] = 0; 636 s->text_x[1] = s->width - 1; 637 s->text_y[1] = s->height - 1; 638 } 639 640 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0, 641 s->width * FONT_WIDTH, 642 (s->height - 1) * FONT_HEIGHT); 643 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT, 644 s->width * FONT_WIDTH, FONT_HEIGHT, 645 color_table_rgb[0][s->t_attrib_default.bgcol]); 646 s->update_x0 = 0; 647 s->update_y0 = 0; 648 s->update_x1 = s->width * FONT_WIDTH; 649 s->update_y1 = s->height * FONT_HEIGHT; 650 } 651 } 652 } 653 654 /* Set console attributes depending on the current escape codes. 655 * NOTE: I know this code is not very efficient (checking every color for it 656 * self) but it is more readable and better maintainable. 657 */ 658 static void console_handle_escape(QemuConsole *s) 659 { 660 int i; 661 662 for (i=0; i<s->nb_esc_params; i++) { 663 switch (s->esc_params[i]) { 664 case 0: /* reset all console attributes to default */ 665 s->t_attrib = s->t_attrib_default; 666 break; 667 case 1: 668 s->t_attrib.bold = 1; 669 break; 670 case 4: 671 s->t_attrib.uline = 1; 672 break; 673 case 5: 674 s->t_attrib.blink = 1; 675 break; 676 case 7: 677 s->t_attrib.invers = 1; 678 break; 679 case 8: 680 s->t_attrib.unvisible = 1; 681 break; 682 case 22: 683 s->t_attrib.bold = 0; 684 break; 685 case 24: 686 s->t_attrib.uline = 0; 687 break; 688 case 25: 689 s->t_attrib.blink = 0; 690 break; 691 case 27: 692 s->t_attrib.invers = 0; 693 break; 694 case 28: 695 s->t_attrib.unvisible = 0; 696 break; 697 /* set foreground color */ 698 case 30: 699 s->t_attrib.fgcol=COLOR_BLACK; 700 break; 701 case 31: 702 s->t_attrib.fgcol=COLOR_RED; 703 break; 704 case 32: 705 s->t_attrib.fgcol=COLOR_GREEN; 706 break; 707 case 33: 708 s->t_attrib.fgcol=COLOR_YELLOW; 709 break; 710 case 34: 711 s->t_attrib.fgcol=COLOR_BLUE; 712 break; 713 case 35: 714 s->t_attrib.fgcol=COLOR_MAGENTA; 715 break; 716 case 36: 717 s->t_attrib.fgcol=COLOR_CYAN; 718 break; 719 case 37: 720 s->t_attrib.fgcol=COLOR_WHITE; 721 break; 722 /* set background color */ 723 case 40: 724 s->t_attrib.bgcol=COLOR_BLACK; 725 break; 726 case 41: 727 s->t_attrib.bgcol=COLOR_RED; 728 break; 729 case 42: 730 s->t_attrib.bgcol=COLOR_GREEN; 731 break; 732 case 43: 733 s->t_attrib.bgcol=COLOR_YELLOW; 734 break; 735 case 44: 736 s->t_attrib.bgcol=COLOR_BLUE; 737 break; 738 case 45: 739 s->t_attrib.bgcol=COLOR_MAGENTA; 740 break; 741 case 46: 742 s->t_attrib.bgcol=COLOR_CYAN; 743 break; 744 case 47: 745 s->t_attrib.bgcol=COLOR_WHITE; 746 break; 747 } 748 } 749 } 750 751 static void console_clear_xy(QemuConsole *s, int x, int y) 752 { 753 int y1 = (s->y_base + y) % s->total_height; 754 TextCell *c = &s->cells[y1 * s->width + x]; 755 c->ch = ' '; 756 c->t_attrib = s->t_attrib_default; 757 update_xy(s, x, y); 758 } 759 760 /* set cursor, checking bounds */ 761 static void set_cursor(QemuConsole *s, int x, int y) 762 { 763 if (x < 0) { 764 x = 0; 765 } 766 if (y < 0) { 767 y = 0; 768 } 769 if (y >= s->height) { 770 y = s->height - 1; 771 } 772 if (x >= s->width) { 773 x = s->width - 1; 774 } 775 776 s->x = x; 777 s->y = y; 778 } 779 780 static void console_putchar(QemuConsole *s, int ch) 781 { 782 TextCell *c; 783 int y1, i; 784 int x, y; 785 786 switch(s->state) { 787 case TTY_STATE_NORM: 788 switch(ch) { 789 case '\r': /* carriage return */ 790 s->x = 0; 791 break; 792 case '\n': /* newline */ 793 console_put_lf(s); 794 break; 795 case '\b': /* backspace */ 796 if (s->x > 0) 797 s->x--; 798 break; 799 case '\t': /* tabspace */ 800 if (s->x + (8 - (s->x % 8)) > s->width) { 801 s->x = 0; 802 console_put_lf(s); 803 } else { 804 s->x = s->x + (8 - (s->x % 8)); 805 } 806 break; 807 case '\a': /* alert aka. bell */ 808 /* TODO: has to be implemented */ 809 break; 810 case 14: 811 /* SI (shift in), character set 0 (ignored) */ 812 break; 813 case 15: 814 /* SO (shift out), character set 1 (ignored) */ 815 break; 816 case 27: /* esc (introducing an escape sequence) */ 817 s->state = TTY_STATE_ESC; 818 break; 819 default: 820 if (s->x >= s->width) { 821 /* line wrap */ 822 s->x = 0; 823 console_put_lf(s); 824 } 825 y1 = (s->y_base + s->y) % s->total_height; 826 c = &s->cells[y1 * s->width + s->x]; 827 c->ch = ch; 828 c->t_attrib = s->t_attrib; 829 update_xy(s, s->x, s->y); 830 s->x++; 831 break; 832 } 833 break; 834 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */ 835 if (ch == '[') { 836 for(i=0;i<MAX_ESC_PARAMS;i++) 837 s->esc_params[i] = 0; 838 s->nb_esc_params = 0; 839 s->state = TTY_STATE_CSI; 840 } else { 841 s->state = TTY_STATE_NORM; 842 } 843 break; 844 case TTY_STATE_CSI: /* handle escape sequence parameters */ 845 if (ch >= '0' && ch <= '9') { 846 if (s->nb_esc_params < MAX_ESC_PARAMS) { 847 int *param = &s->esc_params[s->nb_esc_params]; 848 int digit = (ch - '0'); 849 850 *param = (*param <= (INT_MAX - digit) / 10) ? 851 *param * 10 + digit : INT_MAX; 852 } 853 } else { 854 if (s->nb_esc_params < MAX_ESC_PARAMS) 855 s->nb_esc_params++; 856 if (ch == ';') 857 break; 858 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1], 859 ch, s->nb_esc_params); 860 s->state = TTY_STATE_NORM; 861 switch(ch) { 862 case 'A': 863 /* move cursor up */ 864 if (s->esc_params[0] == 0) { 865 s->esc_params[0] = 1; 866 } 867 set_cursor(s, s->x, s->y - s->esc_params[0]); 868 break; 869 case 'B': 870 /* move cursor down */ 871 if (s->esc_params[0] == 0) { 872 s->esc_params[0] = 1; 873 } 874 set_cursor(s, s->x, s->y + s->esc_params[0]); 875 break; 876 case 'C': 877 /* move cursor right */ 878 if (s->esc_params[0] == 0) { 879 s->esc_params[0] = 1; 880 } 881 set_cursor(s, s->x + s->esc_params[0], s->y); 882 break; 883 case 'D': 884 /* move cursor left */ 885 if (s->esc_params[0] == 0) { 886 s->esc_params[0] = 1; 887 } 888 set_cursor(s, s->x - s->esc_params[0], s->y); 889 break; 890 case 'G': 891 /* move cursor to column */ 892 set_cursor(s, s->esc_params[0] - 1, s->y); 893 break; 894 case 'f': 895 case 'H': 896 /* move cursor to row, column */ 897 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1); 898 break; 899 case 'J': 900 switch (s->esc_params[0]) { 901 case 0: 902 /* clear to end of screen */ 903 for (y = s->y; y < s->height; y++) { 904 for (x = 0; x < s->width; x++) { 905 if (y == s->y && x < s->x) { 906 continue; 907 } 908 console_clear_xy(s, x, y); 909 } 910 } 911 break; 912 case 1: 913 /* clear from beginning of screen */ 914 for (y = 0; y <= s->y; y++) { 915 for (x = 0; x < s->width; x++) { 916 if (y == s->y && x > s->x) { 917 break; 918 } 919 console_clear_xy(s, x, y); 920 } 921 } 922 break; 923 case 2: 924 /* clear entire screen */ 925 for (y = 0; y <= s->height; y++) { 926 for (x = 0; x < s->width; x++) { 927 console_clear_xy(s, x, y); 928 } 929 } 930 break; 931 } 932 break; 933 case 'K': 934 switch (s->esc_params[0]) { 935 case 0: 936 /* clear to eol */ 937 for(x = s->x; x < s->width; x++) { 938 console_clear_xy(s, x, s->y); 939 } 940 break; 941 case 1: 942 /* clear from beginning of line */ 943 for (x = 0; x <= s->x; x++) { 944 console_clear_xy(s, x, s->y); 945 } 946 break; 947 case 2: 948 /* clear entire line */ 949 for(x = 0; x < s->width; x++) { 950 console_clear_xy(s, x, s->y); 951 } 952 break; 953 } 954 break; 955 case 'm': 956 console_handle_escape(s); 957 break; 958 case 'n': 959 /* report cursor position */ 960 /* TODO: send ESC[row;colR */ 961 break; 962 case 's': 963 /* save cursor position */ 964 s->x_saved = s->x; 965 s->y_saved = s->y; 966 break; 967 case 'u': 968 /* restore cursor position */ 969 s->x = s->x_saved; 970 s->y = s->y_saved; 971 break; 972 default: 973 trace_console_putchar_unhandled(ch); 974 break; 975 } 976 break; 977 } 978 } 979 } 980 981 void console_select(unsigned int index) 982 { 983 DisplayChangeListener *dcl; 984 QemuConsole *s; 985 986 trace_console_select(index); 987 s = qemu_console_lookup_by_index(index); 988 if (s) { 989 DisplayState *ds = s->ds; 990 991 active_console = s; 992 if (ds->have_gfx) { 993 QLIST_FOREACH(dcl, &ds->listeners, next) { 994 if (dcl->con != NULL) { 995 continue; 996 } 997 if (dcl->ops->dpy_gfx_switch) { 998 dcl->ops->dpy_gfx_switch(dcl, s->surface); 999 } 1000 } 1001 dpy_gfx_update(s, 0, 0, surface_width(s->surface), 1002 surface_height(s->surface)); 1003 } 1004 if (ds->have_text) { 1005 dpy_text_resize(s, s->width, s->height); 1006 } 1007 text_console_update_cursor(NULL); 1008 } 1009 } 1010 1011 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len) 1012 { 1013 QemuConsole *s = chr->opaque; 1014 int i; 1015 1016 s->update_x0 = s->width * FONT_WIDTH; 1017 s->update_y0 = s->height * FONT_HEIGHT; 1018 s->update_x1 = 0; 1019 s->update_y1 = 0; 1020 console_show_cursor(s, 0); 1021 for(i = 0; i < len; i++) { 1022 console_putchar(s, buf[i]); 1023 } 1024 console_show_cursor(s, 1); 1025 if (s->ds->have_gfx && s->update_x0 < s->update_x1) { 1026 dpy_gfx_update(s, s->update_x0, s->update_y0, 1027 s->update_x1 - s->update_x0, 1028 s->update_y1 - s->update_y0); 1029 } 1030 return len; 1031 } 1032 1033 static void kbd_send_chars(void *opaque) 1034 { 1035 QemuConsole *s = opaque; 1036 int len; 1037 uint8_t buf[16]; 1038 1039 len = qemu_chr_be_can_write(s->chr); 1040 if (len > s->out_fifo.count) 1041 len = s->out_fifo.count; 1042 if (len > 0) { 1043 if (len > sizeof(buf)) 1044 len = sizeof(buf); 1045 qemu_fifo_read(&s->out_fifo, buf, len); 1046 qemu_chr_be_write(s->chr, buf, len); 1047 } 1048 /* characters are pending: we send them a bit later (XXX: 1049 horrible, should change char device API) */ 1050 if (s->out_fifo.count > 0) { 1051 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1); 1052 } 1053 } 1054 1055 /* called when an ascii key is pressed */ 1056 void kbd_put_keysym_console(QemuConsole *s, int keysym) 1057 { 1058 uint8_t buf[16], *q; 1059 int c; 1060 1061 if (!s || (s->console_type == GRAPHIC_CONSOLE)) 1062 return; 1063 1064 switch(keysym) { 1065 case QEMU_KEY_CTRL_UP: 1066 console_scroll(s, -1); 1067 break; 1068 case QEMU_KEY_CTRL_DOWN: 1069 console_scroll(s, 1); 1070 break; 1071 case QEMU_KEY_CTRL_PAGEUP: 1072 console_scroll(s, -10); 1073 break; 1074 case QEMU_KEY_CTRL_PAGEDOWN: 1075 console_scroll(s, 10); 1076 break; 1077 default: 1078 /* convert the QEMU keysym to VT100 key string */ 1079 q = buf; 1080 if (keysym >= 0xe100 && keysym <= 0xe11f) { 1081 *q++ = '\033'; 1082 *q++ = '['; 1083 c = keysym - 0xe100; 1084 if (c >= 10) 1085 *q++ = '0' + (c / 10); 1086 *q++ = '0' + (c % 10); 1087 *q++ = '~'; 1088 } else if (keysym >= 0xe120 && keysym <= 0xe17f) { 1089 *q++ = '\033'; 1090 *q++ = '['; 1091 *q++ = keysym & 0xff; 1092 } else if (s->echo && (keysym == '\r' || keysym == '\n')) { 1093 console_puts(s->chr, (const uint8_t *) "\r", 1); 1094 *q++ = '\n'; 1095 } else { 1096 *q++ = keysym; 1097 } 1098 if (s->echo) { 1099 console_puts(s->chr, buf, q - buf); 1100 } 1101 if (s->chr->chr_read) { 1102 qemu_fifo_write(&s->out_fifo, buf, q - buf); 1103 kbd_send_chars(s); 1104 } 1105 break; 1106 } 1107 } 1108 1109 static const int qcode_to_keysym[Q_KEY_CODE_MAX] = { 1110 [Q_KEY_CODE_UP] = QEMU_KEY_UP, 1111 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN, 1112 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT, 1113 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT, 1114 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME, 1115 [Q_KEY_CODE_END] = QEMU_KEY_END, 1116 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP, 1117 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN, 1118 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE, 1119 }; 1120 1121 bool kbd_put_qcode_console(QemuConsole *s, int qcode) 1122 { 1123 int keysym; 1124 1125 keysym = qcode_to_keysym[qcode]; 1126 if (keysym == 0) { 1127 return false; 1128 } 1129 kbd_put_keysym_console(s, keysym); 1130 return true; 1131 } 1132 1133 void kbd_put_string_console(QemuConsole *s, const char *str, int len) 1134 { 1135 int i; 1136 1137 for (i = 0; i < len && str[i]; i++) { 1138 kbd_put_keysym_console(s, str[i]); 1139 } 1140 } 1141 1142 void kbd_put_keysym(int keysym) 1143 { 1144 kbd_put_keysym_console(active_console, keysym); 1145 } 1146 1147 static void text_console_invalidate(void *opaque) 1148 { 1149 QemuConsole *s = (QemuConsole *) opaque; 1150 1151 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) { 1152 text_console_resize(s); 1153 } 1154 console_refresh(s); 1155 } 1156 1157 static void text_console_update(void *opaque, console_ch_t *chardata) 1158 { 1159 QemuConsole *s = (QemuConsole *) opaque; 1160 int i, j, src; 1161 1162 if (s->text_x[0] <= s->text_x[1]) { 1163 src = (s->y_base + s->text_y[0]) * s->width; 1164 chardata += s->text_y[0] * s->width; 1165 for (i = s->text_y[0]; i <= s->text_y[1]; i ++) 1166 for (j = 0; j < s->width; j ++, src ++) 1167 console_write_ch(chardata ++, s->cells[src].ch | 1168 (s->cells[src].t_attrib.fgcol << 12) | 1169 (s->cells[src].t_attrib.bgcol << 8) | 1170 (s->cells[src].t_attrib.bold << 21)); 1171 dpy_text_update(s, s->text_x[0], s->text_y[0], 1172 s->text_x[1] - s->text_x[0], i - s->text_y[0]); 1173 s->text_x[0] = s->width; 1174 s->text_y[0] = s->height; 1175 s->text_x[1] = 0; 1176 s->text_y[1] = 0; 1177 } 1178 if (s->cursor_invalidate) { 1179 dpy_text_cursor(s, s->x, s->y); 1180 s->cursor_invalidate = 0; 1181 } 1182 } 1183 1184 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type, 1185 uint32_t head) 1186 { 1187 Object *obj; 1188 QemuConsole *s; 1189 int i; 1190 1191 obj = object_new(TYPE_QEMU_CONSOLE); 1192 s = QEMU_CONSOLE(obj); 1193 s->head = head; 1194 object_property_add_link(obj, "device", TYPE_DEVICE, 1195 (Object **)&s->device, 1196 object_property_allow_set_link, 1197 OBJ_PROP_LINK_UNREF_ON_RELEASE, 1198 &error_abort); 1199 object_property_add_uint32_ptr(obj, "head", 1200 &s->head, &error_abort); 1201 1202 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) && 1203 (console_type == GRAPHIC_CONSOLE))) { 1204 active_console = s; 1205 } 1206 s->ds = ds; 1207 s->console_type = console_type; 1208 1209 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1)); 1210 if (console_type != GRAPHIC_CONSOLE) { 1211 s->index = nb_consoles; 1212 consoles[nb_consoles++] = s; 1213 } else { 1214 /* HACK: Put graphical consoles before text consoles. */ 1215 for (i = nb_consoles; i > 0; i--) { 1216 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE) 1217 break; 1218 consoles[i] = consoles[i - 1]; 1219 consoles[i]->index = i; 1220 } 1221 s->index = i; 1222 consoles[i] = s; 1223 nb_consoles++; 1224 } 1225 return s; 1226 } 1227 1228 static void qemu_alloc_display(DisplaySurface *surface, int width, int height) 1229 { 1230 qemu_pixman_image_unref(surface->image); 1231 surface->image = NULL; 1232 1233 surface->format = PIXMAN_x8r8g8b8; 1234 surface->image = pixman_image_create_bits(surface->format, 1235 width, height, 1236 NULL, width * 4); 1237 assert(surface->image != NULL); 1238 1239 surface->flags = QEMU_ALLOCATED_FLAG; 1240 } 1241 1242 DisplaySurface *qemu_create_displaysurface(int width, int height) 1243 { 1244 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1245 1246 trace_displaysurface_create(surface, width, height); 1247 qemu_alloc_display(surface, width, height); 1248 return surface; 1249 } 1250 1251 DisplaySurface *qemu_create_displaysurface_from(int width, int height, 1252 pixman_format_code_t format, 1253 int linesize, uint8_t *data) 1254 { 1255 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1256 1257 trace_displaysurface_create_from(surface, width, height, format); 1258 surface->format = format; 1259 surface->image = pixman_image_create_bits(surface->format, 1260 width, height, 1261 (void *)data, linesize); 1262 assert(surface->image != NULL); 1263 1264 return surface; 1265 } 1266 1267 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image, 1268 void *unused) 1269 { 1270 void *data = pixman_image_get_data(image); 1271 uint32_t size = pixman_image_get_stride(image) * 1272 pixman_image_get_height(image); 1273 cpu_physical_memory_unmap(data, size, 0, 0); 1274 } 1275 1276 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height, 1277 pixman_format_code_t format, 1278 int linesize, uint64_t addr) 1279 { 1280 DisplaySurface *surface; 1281 hwaddr size; 1282 void *data; 1283 1284 if (linesize == 0) { 1285 linesize = width * PIXMAN_FORMAT_BPP(format) / 8; 1286 } 1287 1288 size = linesize * height; 1289 data = cpu_physical_memory_map(addr, &size, 0); 1290 if (size != linesize * height) { 1291 cpu_physical_memory_unmap(data, size, 0, 0); 1292 return NULL; 1293 } 1294 1295 surface = qemu_create_displaysurface_from 1296 (width, height, format, linesize, data); 1297 pixman_image_set_destroy_function 1298 (surface->image, qemu_unmap_displaysurface_guestmem, NULL); 1299 1300 return surface; 1301 } 1302 1303 static DisplaySurface *qemu_create_message_surface(int w, int h, 1304 const char *msg) 1305 { 1306 DisplaySurface *surface = qemu_create_displaysurface(w, h); 1307 pixman_color_t bg = color_table_rgb[0][COLOR_BLACK]; 1308 pixman_color_t fg = color_table_rgb[0][COLOR_WHITE]; 1309 pixman_image_t *glyph; 1310 int len, x, y, i; 1311 1312 len = strlen(msg); 1313 x = (w / FONT_WIDTH - len) / 2; 1314 y = (h / FONT_HEIGHT - 1) / 2; 1315 for (i = 0; i < len; i++) { 1316 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]); 1317 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg, 1318 x+i, y, FONT_WIDTH, FONT_HEIGHT); 1319 qemu_pixman_image_unref(glyph); 1320 } 1321 return surface; 1322 } 1323 1324 void qemu_free_displaysurface(DisplaySurface *surface) 1325 { 1326 if (surface == NULL) { 1327 return; 1328 } 1329 trace_displaysurface_free(surface); 1330 qemu_pixman_image_unref(surface->image); 1331 g_free(surface); 1332 } 1333 1334 void register_displaychangelistener(DisplayChangeListener *dcl) 1335 { 1336 static const char nodev[] = 1337 "This VM has no graphic display device."; 1338 static DisplaySurface *dummy; 1339 QemuConsole *con; 1340 1341 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name); 1342 dcl->ds = get_alloc_displaystate(); 1343 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next); 1344 gui_setup_refresh(dcl->ds); 1345 if (dcl->con) { 1346 dcl->con->dcls++; 1347 con = dcl->con; 1348 } else { 1349 con = active_console; 1350 } 1351 if (dcl->ops->dpy_gfx_switch) { 1352 if (con) { 1353 dcl->ops->dpy_gfx_switch(dcl, con->surface); 1354 } else { 1355 if (!dummy) { 1356 dummy = qemu_create_message_surface(640, 480, nodev); 1357 } 1358 dcl->ops->dpy_gfx_switch(dcl, dummy); 1359 } 1360 } 1361 text_console_update_cursor(NULL); 1362 } 1363 1364 void update_displaychangelistener(DisplayChangeListener *dcl, 1365 uint64_t interval) 1366 { 1367 DisplayState *ds = dcl->ds; 1368 1369 dcl->update_interval = interval; 1370 if (!ds->refreshing && ds->update_interval > interval) { 1371 timer_mod(ds->gui_timer, ds->last_update + interval); 1372 } 1373 } 1374 1375 void unregister_displaychangelistener(DisplayChangeListener *dcl) 1376 { 1377 DisplayState *ds = dcl->ds; 1378 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name); 1379 if (dcl->con) { 1380 dcl->con->dcls--; 1381 } 1382 QLIST_REMOVE(dcl, next); 1383 gui_setup_refresh(ds); 1384 } 1385 1386 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info) 1387 { 1388 assert(con != NULL); 1389 con->ui_info = *info; 1390 if (con->hw_ops->ui_info) { 1391 return con->hw_ops->ui_info(con->hw, con->head, info); 1392 } 1393 return -1; 1394 } 1395 1396 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h) 1397 { 1398 DisplayState *s = con->ds; 1399 DisplayChangeListener *dcl; 1400 int width = surface_width(con->surface); 1401 int height = surface_height(con->surface); 1402 1403 x = MAX(x, 0); 1404 y = MAX(y, 0); 1405 x = MIN(x, width); 1406 y = MIN(y, height); 1407 w = MIN(w, width - x); 1408 h = MIN(h, height - y); 1409 1410 if (!qemu_console_is_visible(con)) { 1411 return; 1412 } 1413 QLIST_FOREACH(dcl, &s->listeners, next) { 1414 if (con != (dcl->con ? dcl->con : active_console)) { 1415 continue; 1416 } 1417 if (dcl->ops->dpy_gfx_update) { 1418 dcl->ops->dpy_gfx_update(dcl, x, y, w, h); 1419 } 1420 } 1421 } 1422 1423 void dpy_gfx_replace_surface(QemuConsole *con, 1424 DisplaySurface *surface) 1425 { 1426 DisplayState *s = con->ds; 1427 DisplaySurface *old_surface = con->surface; 1428 DisplayChangeListener *dcl; 1429 1430 con->surface = surface; 1431 QLIST_FOREACH(dcl, &s->listeners, next) { 1432 if (con != (dcl->con ? dcl->con : active_console)) { 1433 continue; 1434 } 1435 if (dcl->ops->dpy_gfx_switch) { 1436 dcl->ops->dpy_gfx_switch(dcl, surface); 1437 } 1438 } 1439 qemu_free_displaysurface(old_surface); 1440 } 1441 1442 bool dpy_gfx_check_format(QemuConsole *con, 1443 pixman_format_code_t format) 1444 { 1445 DisplayChangeListener *dcl; 1446 DisplayState *s = con->ds; 1447 1448 QLIST_FOREACH(dcl, &s->listeners, next) { 1449 if (dcl->con && dcl->con != con) { 1450 /* dcl bound to another console -> skip */ 1451 continue; 1452 } 1453 if (dcl->ops->dpy_gfx_check_format) { 1454 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) { 1455 return false; 1456 } 1457 } else { 1458 /* default is to whitelist native 32 bpp only */ 1459 if (format != qemu_default_pixman_format(32, true)) { 1460 return false; 1461 } 1462 } 1463 } 1464 return true; 1465 } 1466 1467 static void dpy_refresh(DisplayState *s) 1468 { 1469 DisplayChangeListener *dcl; 1470 1471 QLIST_FOREACH(dcl, &s->listeners, next) { 1472 if (dcl->ops->dpy_refresh) { 1473 dcl->ops->dpy_refresh(dcl); 1474 } 1475 } 1476 } 1477 1478 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y, 1479 int dst_x, int dst_y, int w, int h) 1480 { 1481 DisplayState *s = con->ds; 1482 DisplayChangeListener *dcl; 1483 1484 if (!qemu_console_is_visible(con)) { 1485 return; 1486 } 1487 QLIST_FOREACH(dcl, &s->listeners, next) { 1488 if (con != (dcl->con ? dcl->con : active_console)) { 1489 continue; 1490 } 1491 if (dcl->ops->dpy_gfx_copy) { 1492 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h); 1493 } else { /* TODO */ 1494 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h); 1495 } 1496 } 1497 } 1498 1499 void dpy_text_cursor(QemuConsole *con, int x, int y) 1500 { 1501 DisplayState *s = con->ds; 1502 DisplayChangeListener *dcl; 1503 1504 if (!qemu_console_is_visible(con)) { 1505 return; 1506 } 1507 QLIST_FOREACH(dcl, &s->listeners, next) { 1508 if (con != (dcl->con ? dcl->con : active_console)) { 1509 continue; 1510 } 1511 if (dcl->ops->dpy_text_cursor) { 1512 dcl->ops->dpy_text_cursor(dcl, x, y); 1513 } 1514 } 1515 } 1516 1517 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h) 1518 { 1519 DisplayState *s = con->ds; 1520 DisplayChangeListener *dcl; 1521 1522 if (!qemu_console_is_visible(con)) { 1523 return; 1524 } 1525 QLIST_FOREACH(dcl, &s->listeners, next) { 1526 if (con != (dcl->con ? dcl->con : active_console)) { 1527 continue; 1528 } 1529 if (dcl->ops->dpy_text_update) { 1530 dcl->ops->dpy_text_update(dcl, x, y, w, h); 1531 } 1532 } 1533 } 1534 1535 void dpy_text_resize(QemuConsole *con, int w, int h) 1536 { 1537 DisplayState *s = con->ds; 1538 struct DisplayChangeListener *dcl; 1539 1540 if (!qemu_console_is_visible(con)) { 1541 return; 1542 } 1543 QLIST_FOREACH(dcl, &s->listeners, next) { 1544 if (con != (dcl->con ? dcl->con : active_console)) { 1545 continue; 1546 } 1547 if (dcl->ops->dpy_text_resize) { 1548 dcl->ops->dpy_text_resize(dcl, w, h); 1549 } 1550 } 1551 } 1552 1553 void dpy_mouse_set(QemuConsole *con, int x, int y, int on) 1554 { 1555 DisplayState *s = con->ds; 1556 DisplayChangeListener *dcl; 1557 1558 if (!qemu_console_is_visible(con)) { 1559 return; 1560 } 1561 QLIST_FOREACH(dcl, &s->listeners, next) { 1562 if (con != (dcl->con ? dcl->con : active_console)) { 1563 continue; 1564 } 1565 if (dcl->ops->dpy_mouse_set) { 1566 dcl->ops->dpy_mouse_set(dcl, x, y, on); 1567 } 1568 } 1569 } 1570 1571 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor) 1572 { 1573 DisplayState *s = con->ds; 1574 DisplayChangeListener *dcl; 1575 1576 if (!qemu_console_is_visible(con)) { 1577 return; 1578 } 1579 QLIST_FOREACH(dcl, &s->listeners, next) { 1580 if (con != (dcl->con ? dcl->con : active_console)) { 1581 continue; 1582 } 1583 if (dcl->ops->dpy_cursor_define) { 1584 dcl->ops->dpy_cursor_define(dcl, cursor); 1585 } 1586 } 1587 } 1588 1589 bool dpy_cursor_define_supported(QemuConsole *con) 1590 { 1591 DisplayState *s = con->ds; 1592 DisplayChangeListener *dcl; 1593 1594 QLIST_FOREACH(dcl, &s->listeners, next) { 1595 if (dcl->ops->dpy_cursor_define) { 1596 return true; 1597 } 1598 } 1599 return false; 1600 } 1601 1602 /* 1603 * Call dpy_gfx_update for all dirity scanlines. Works for 1604 * DisplaySurfaces backed by guest memory (i.e. the ones created 1605 * using qemu_create_displaysurface_guestmem). 1606 */ 1607 void dpy_gfx_update_dirty(QemuConsole *con, 1608 MemoryRegion *address_space, 1609 hwaddr base, 1610 bool invalidate) 1611 { 1612 DisplaySurface *ds = qemu_console_surface(con); 1613 int width = surface_stride(ds); 1614 int height = surface_height(ds); 1615 hwaddr size = width * height; 1616 MemoryRegionSection mem_section; 1617 MemoryRegion *mem; 1618 ram_addr_t addr; 1619 int first, last, i; 1620 bool dirty; 1621 1622 mem_section = memory_region_find(address_space, base, size); 1623 mem = mem_section.mr; 1624 if (int128_get64(mem_section.size) != size || 1625 !memory_region_is_ram(mem_section.mr)) { 1626 goto out; 1627 } 1628 assert(mem); 1629 1630 memory_region_sync_dirty_bitmap(mem); 1631 addr = mem_section.offset_within_region; 1632 1633 first = -1; 1634 last = -1; 1635 for (i = 0; i < height; i++, addr += width) { 1636 dirty = invalidate || 1637 memory_region_get_dirty(mem, addr, width, DIRTY_MEMORY_VGA); 1638 if (dirty) { 1639 if (first == -1) { 1640 first = i; 1641 } 1642 last = i; 1643 } 1644 if (first != -1 && !dirty) { 1645 assert(last != -1 && last >= first); 1646 dpy_gfx_update(con, 0, first, surface_width(ds), 1647 last - first + 1); 1648 first = -1; 1649 } 1650 } 1651 if (first != -1) { 1652 assert(last != -1 && last >= first); 1653 dpy_gfx_update(con, 0, first, surface_width(ds), 1654 last - first + 1); 1655 } 1656 1657 memory_region_reset_dirty(mem, mem_section.offset_within_region, size, 1658 DIRTY_MEMORY_VGA); 1659 out: 1660 memory_region_unref(mem); 1661 } 1662 1663 /***********************************************************/ 1664 /* register display */ 1665 1666 /* console.c internal use only */ 1667 static DisplayState *get_alloc_displaystate(void) 1668 { 1669 if (!display_state) { 1670 display_state = g_new0(DisplayState, 1); 1671 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME, 1672 text_console_update_cursor, NULL); 1673 } 1674 return display_state; 1675 } 1676 1677 /* 1678 * Called by main(), after creating QemuConsoles 1679 * and before initializing ui (sdl/vnc/...). 1680 */ 1681 DisplayState *init_displaystate(void) 1682 { 1683 gchar *name; 1684 int i; 1685 1686 get_alloc_displaystate(); 1687 for (i = 0; i < nb_consoles; i++) { 1688 if (consoles[i]->console_type != GRAPHIC_CONSOLE && 1689 consoles[i]->ds == NULL) { 1690 text_console_do_init(consoles[i]->chr, display_state); 1691 } 1692 1693 /* Hook up into the qom tree here (not in new_console()), once 1694 * all QemuConsoles are created and the order / numbering 1695 * doesn't change any more */ 1696 name = g_strdup_printf("console[%d]", i); 1697 object_property_add_child(container_get(object_get_root(), "/backend"), 1698 name, OBJECT(consoles[i]), &error_abort); 1699 g_free(name); 1700 } 1701 1702 return display_state; 1703 } 1704 1705 void graphic_console_set_hwops(QemuConsole *con, 1706 const GraphicHwOps *hw_ops, 1707 void *opaque) 1708 { 1709 con->hw_ops = hw_ops; 1710 con->hw = opaque; 1711 } 1712 1713 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head, 1714 const GraphicHwOps *hw_ops, 1715 void *opaque) 1716 { 1717 static const char noinit[] = 1718 "Guest has not initialized the display (yet)."; 1719 int width = 640; 1720 int height = 480; 1721 QemuConsole *s; 1722 DisplayState *ds; 1723 1724 ds = get_alloc_displaystate(); 1725 trace_console_gfx_new(); 1726 s = new_console(ds, GRAPHIC_CONSOLE, head); 1727 graphic_console_set_hwops(s, hw_ops, opaque); 1728 if (dev) { 1729 object_property_set_link(OBJECT(s), OBJECT(dev), "device", 1730 &error_abort); 1731 } 1732 1733 s->surface = qemu_create_message_surface(width, height, noinit); 1734 return s; 1735 } 1736 1737 QemuConsole *qemu_console_lookup_by_index(unsigned int index) 1738 { 1739 if (index >= nb_consoles) { 1740 return NULL; 1741 } 1742 return consoles[index]; 1743 } 1744 1745 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head) 1746 { 1747 Object *obj; 1748 uint32_t h; 1749 int i; 1750 1751 for (i = 0; i < nb_consoles; i++) { 1752 if (!consoles[i]) { 1753 continue; 1754 } 1755 obj = object_property_get_link(OBJECT(consoles[i]), 1756 "device", &error_abort); 1757 if (DEVICE(obj) != dev) { 1758 continue; 1759 } 1760 h = object_property_get_int(OBJECT(consoles[i]), 1761 "head", &error_abort); 1762 if (h != head) { 1763 continue; 1764 } 1765 return consoles[i]; 1766 } 1767 return NULL; 1768 } 1769 1770 bool qemu_console_is_visible(QemuConsole *con) 1771 { 1772 return (con == active_console) || (con->dcls > 0); 1773 } 1774 1775 bool qemu_console_is_graphic(QemuConsole *con) 1776 { 1777 if (con == NULL) { 1778 con = active_console; 1779 } 1780 return con && (con->console_type == GRAPHIC_CONSOLE); 1781 } 1782 1783 bool qemu_console_is_fixedsize(QemuConsole *con) 1784 { 1785 if (con == NULL) { 1786 con = active_console; 1787 } 1788 return con && (con->console_type != TEXT_CONSOLE); 1789 } 1790 1791 int qemu_console_get_index(QemuConsole *con) 1792 { 1793 if (con == NULL) { 1794 con = active_console; 1795 } 1796 return con ? con->index : -1; 1797 } 1798 1799 uint32_t qemu_console_get_head(QemuConsole *con) 1800 { 1801 if (con == NULL) { 1802 con = active_console; 1803 } 1804 return con ? con->head : -1; 1805 } 1806 1807 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con) 1808 { 1809 assert(con != NULL); 1810 return &con->ui_info; 1811 } 1812 1813 int qemu_console_get_width(QemuConsole *con, int fallback) 1814 { 1815 if (con == NULL) { 1816 con = active_console; 1817 } 1818 return con ? surface_width(con->surface) : fallback; 1819 } 1820 1821 int qemu_console_get_height(QemuConsole *con, int fallback) 1822 { 1823 if (con == NULL) { 1824 con = active_console; 1825 } 1826 return con ? surface_height(con->surface) : fallback; 1827 } 1828 1829 static void text_console_set_echo(CharDriverState *chr, bool echo) 1830 { 1831 QemuConsole *s = chr->opaque; 1832 1833 s->echo = echo; 1834 } 1835 1836 static void text_console_update_cursor_timer(void) 1837 { 1838 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) 1839 + CONSOLE_CURSOR_PERIOD / 2); 1840 } 1841 1842 static void text_console_update_cursor(void *opaque) 1843 { 1844 QemuConsole *s; 1845 int i, count = 0; 1846 1847 cursor_visible_phase = !cursor_visible_phase; 1848 1849 for (i = 0; i < nb_consoles; i++) { 1850 s = consoles[i]; 1851 if (qemu_console_is_graphic(s) || 1852 !qemu_console_is_visible(s)) { 1853 continue; 1854 } 1855 count++; 1856 graphic_hw_invalidate(s); 1857 } 1858 1859 if (count) { 1860 text_console_update_cursor_timer(); 1861 } 1862 } 1863 1864 static const GraphicHwOps text_console_ops = { 1865 .invalidate = text_console_invalidate, 1866 .text_update = text_console_update, 1867 }; 1868 1869 static void text_console_do_init(CharDriverState *chr, DisplayState *ds) 1870 { 1871 QemuConsole *s; 1872 int g_width = 80 * FONT_WIDTH; 1873 int g_height = 24 * FONT_HEIGHT; 1874 1875 s = chr->opaque; 1876 1877 chr->chr_write = console_puts; 1878 1879 s->out_fifo.buf = s->out_fifo_buf; 1880 s->out_fifo.buf_size = sizeof(s->out_fifo_buf); 1881 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s); 1882 s->ds = ds; 1883 1884 s->y_displayed = 0; 1885 s->y_base = 0; 1886 s->total_height = DEFAULT_BACKSCROLL; 1887 s->x = 0; 1888 s->y = 0; 1889 if (!s->surface) { 1890 if (active_console && active_console->surface) { 1891 g_width = surface_width(active_console->surface); 1892 g_height = surface_height(active_console->surface); 1893 } 1894 s->surface = qemu_create_displaysurface(g_width, g_height); 1895 } 1896 1897 s->hw_ops = &text_console_ops; 1898 s->hw = s; 1899 1900 /* Set text attribute defaults */ 1901 s->t_attrib_default.bold = 0; 1902 s->t_attrib_default.uline = 0; 1903 s->t_attrib_default.blink = 0; 1904 s->t_attrib_default.invers = 0; 1905 s->t_attrib_default.unvisible = 0; 1906 s->t_attrib_default.fgcol = COLOR_WHITE; 1907 s->t_attrib_default.bgcol = COLOR_BLACK; 1908 /* set current text attributes to default */ 1909 s->t_attrib = s->t_attrib_default; 1910 text_console_resize(s); 1911 1912 if (chr->label) { 1913 char msg[128]; 1914 int len; 1915 1916 s->t_attrib.bgcol = COLOR_BLUE; 1917 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label); 1918 console_puts(chr, (uint8_t*)msg, len); 1919 s->t_attrib = s->t_attrib_default; 1920 } 1921 1922 qemu_chr_be_generic_open(chr); 1923 if (chr->init) 1924 chr->init(chr); 1925 } 1926 1927 static CharDriverState *text_console_init(ChardevVC *vc) 1928 { 1929 CharDriverState *chr; 1930 QemuConsole *s; 1931 unsigned width = 0; 1932 unsigned height = 0; 1933 1934 chr = qemu_chr_alloc(); 1935 1936 if (vc->has_width) { 1937 width = vc->width; 1938 } else if (vc->has_cols) { 1939 width = vc->cols * FONT_WIDTH; 1940 } 1941 1942 if (vc->has_height) { 1943 height = vc->height; 1944 } else if (vc->has_rows) { 1945 height = vc->rows * FONT_HEIGHT; 1946 } 1947 1948 trace_console_txt_new(width, height); 1949 if (width == 0 || height == 0) { 1950 s = new_console(NULL, TEXT_CONSOLE, 0); 1951 } else { 1952 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0); 1953 s->surface = qemu_create_displaysurface(width, height); 1954 } 1955 1956 if (!s) { 1957 g_free(chr); 1958 return NULL; 1959 } 1960 1961 s->chr = chr; 1962 chr->opaque = s; 1963 chr->chr_set_echo = text_console_set_echo; 1964 /* console/chardev init sometimes completes elsewhere in a 2nd 1965 * stage, so defer OPENED events until they are fully initialized 1966 */ 1967 chr->explicit_be_open = true; 1968 1969 if (display_state) { 1970 text_console_do_init(chr, display_state); 1971 } 1972 return chr; 1973 } 1974 1975 static VcHandler *vc_handler = text_console_init; 1976 1977 CharDriverState *vc_init(ChardevVC *vc) 1978 { 1979 return vc_handler(vc); 1980 } 1981 1982 void register_vc_handler(VcHandler *handler) 1983 { 1984 vc_handler = handler; 1985 } 1986 1987 void qemu_console_resize(QemuConsole *s, int width, int height) 1988 { 1989 DisplaySurface *surface; 1990 1991 assert(s->console_type == GRAPHIC_CONSOLE); 1992 surface = qemu_create_displaysurface(width, height); 1993 dpy_gfx_replace_surface(s, surface); 1994 } 1995 1996 void qemu_console_copy(QemuConsole *con, int src_x, int src_y, 1997 int dst_x, int dst_y, int w, int h) 1998 { 1999 assert(con->console_type == GRAPHIC_CONSOLE); 2000 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h); 2001 } 2002 2003 DisplaySurface *qemu_console_surface(QemuConsole *console) 2004 { 2005 return console->surface; 2006 } 2007 2008 DisplayState *qemu_console_displaystate(QemuConsole *console) 2009 { 2010 return console->ds; 2011 } 2012 2013 PixelFormat qemu_different_endianness_pixelformat(int bpp) 2014 { 2015 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, false); 2016 PixelFormat pf = qemu_pixelformat_from_pixman(fmt); 2017 return pf; 2018 } 2019 2020 PixelFormat qemu_default_pixelformat(int bpp) 2021 { 2022 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true); 2023 PixelFormat pf = qemu_pixelformat_from_pixman(fmt); 2024 return pf; 2025 } 2026 2027 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, 2028 Error **errp) 2029 { 2030 int val; 2031 2032 backend->vc = g_new0(ChardevVC, 1); 2033 2034 val = qemu_opt_get_number(opts, "width", 0); 2035 if (val != 0) { 2036 backend->vc->has_width = true; 2037 backend->vc->width = val; 2038 } 2039 2040 val = qemu_opt_get_number(opts, "height", 0); 2041 if (val != 0) { 2042 backend->vc->has_height = true; 2043 backend->vc->height = val; 2044 } 2045 2046 val = qemu_opt_get_number(opts, "cols", 0); 2047 if (val != 0) { 2048 backend->vc->has_cols = true; 2049 backend->vc->cols = val; 2050 } 2051 2052 val = qemu_opt_get_number(opts, "rows", 0); 2053 if (val != 0) { 2054 backend->vc->has_rows = true; 2055 backend->vc->rows = val; 2056 } 2057 } 2058 2059 static const TypeInfo qemu_console_info = { 2060 .name = TYPE_QEMU_CONSOLE, 2061 .parent = TYPE_OBJECT, 2062 .instance_size = sizeof(QemuConsole), 2063 .class_size = sizeof(QemuConsoleClass), 2064 }; 2065 2066 2067 static void register_types(void) 2068 { 2069 type_register_static(&qemu_console_info); 2070 register_char_driver("vc", CHARDEV_BACKEND_KIND_VC, qemu_chr_parse_vc); 2071 } 2072 2073 type_init(register_types); 2074