1 /* 2 * QEMU graphical console 3 * 4 * Copyright (c) 2004 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 #include "qemu/osdep.h" 25 #include "qemu-common.h" 26 #include "ui/console.h" 27 #include "hw/qdev-core.h" 28 #include "qemu/timer.h" 29 #include "qmp-commands.h" 30 #include "sysemu/char.h" 31 #include "trace.h" 32 #include "exec/memory.h" 33 34 #define DEFAULT_BACKSCROLL 512 35 #define CONSOLE_CURSOR_PERIOD 500 36 37 typedef struct TextAttributes { 38 uint8_t fgcol:4; 39 uint8_t bgcol:4; 40 uint8_t bold:1; 41 uint8_t uline:1; 42 uint8_t blink:1; 43 uint8_t invers:1; 44 uint8_t unvisible:1; 45 } TextAttributes; 46 47 typedef struct TextCell { 48 uint8_t ch; 49 TextAttributes t_attrib; 50 } TextCell; 51 52 #define MAX_ESC_PARAMS 3 53 54 enum TTYState { 55 TTY_STATE_NORM, 56 TTY_STATE_ESC, 57 TTY_STATE_CSI, 58 }; 59 60 typedef struct QEMUFIFO { 61 uint8_t *buf; 62 int buf_size; 63 int count, wptr, rptr; 64 } QEMUFIFO; 65 66 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1) 67 { 68 int l, len; 69 70 l = f->buf_size - f->count; 71 if (len1 > l) 72 len1 = l; 73 len = len1; 74 while (len > 0) { 75 l = f->buf_size - f->wptr; 76 if (l > len) 77 l = len; 78 memcpy(f->buf + f->wptr, buf, l); 79 f->wptr += l; 80 if (f->wptr >= f->buf_size) 81 f->wptr = 0; 82 buf += l; 83 len -= l; 84 } 85 f->count += len1; 86 return len1; 87 } 88 89 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1) 90 { 91 int l, len; 92 93 if (len1 > f->count) 94 len1 = f->count; 95 len = len1; 96 while (len > 0) { 97 l = f->buf_size - f->rptr; 98 if (l > len) 99 l = len; 100 memcpy(buf, f->buf + f->rptr, l); 101 f->rptr += l; 102 if (f->rptr >= f->buf_size) 103 f->rptr = 0; 104 buf += l; 105 len -= l; 106 } 107 f->count -= len1; 108 return len1; 109 } 110 111 typedef enum { 112 GRAPHIC_CONSOLE, 113 TEXT_CONSOLE, 114 TEXT_CONSOLE_FIXED_SIZE 115 } console_type_t; 116 117 struct QemuConsole { 118 Object parent; 119 120 int index; 121 console_type_t console_type; 122 DisplayState *ds; 123 DisplaySurface *surface; 124 int dcls; 125 DisplayChangeListener *gl; 126 127 /* Graphic console state. */ 128 Object *device; 129 uint32_t head; 130 QemuUIInfo ui_info; 131 QEMUTimer *ui_timer; 132 const GraphicHwOps *hw_ops; 133 void *hw; 134 135 /* Text console state */ 136 int width; 137 int height; 138 int total_height; 139 int backscroll_height; 140 int x, y; 141 int x_saved, y_saved; 142 int y_displayed; 143 int y_base; 144 TextAttributes t_attrib_default; /* default text attributes */ 145 TextAttributes t_attrib; /* currently active text attributes */ 146 TextCell *cells; 147 int text_x[2], text_y[2], cursor_invalidate; 148 int echo; 149 150 int update_x0; 151 int update_y0; 152 int update_x1; 153 int update_y1; 154 155 enum TTYState state; 156 int esc_params[MAX_ESC_PARAMS]; 157 int nb_esc_params; 158 159 CharDriverState *chr; 160 /* fifo for key pressed */ 161 QEMUFIFO out_fifo; 162 uint8_t out_fifo_buf[16]; 163 QEMUTimer *kbd_timer; 164 }; 165 166 struct DisplayState { 167 QEMUTimer *gui_timer; 168 uint64_t last_update; 169 uint64_t update_interval; 170 bool refreshing; 171 bool have_gfx; 172 bool have_text; 173 174 QLIST_HEAD(, DisplayChangeListener) listeners; 175 }; 176 177 static DisplayState *display_state; 178 static QemuConsole *active_console; 179 static QemuConsole **consoles; 180 static int nb_consoles = 0; 181 static bool cursor_visible_phase; 182 static QEMUTimer *cursor_timer; 183 184 static void text_console_do_init(CharDriverState *chr, DisplayState *ds); 185 static void dpy_refresh(DisplayState *s); 186 static DisplayState *get_alloc_displaystate(void); 187 static void text_console_update_cursor_timer(void); 188 static void text_console_update_cursor(void *opaque); 189 190 static void gui_update(void *opaque) 191 { 192 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE; 193 uint64_t dcl_interval; 194 DisplayState *ds = opaque; 195 DisplayChangeListener *dcl; 196 int i; 197 198 ds->refreshing = true; 199 dpy_refresh(ds); 200 ds->refreshing = false; 201 202 QLIST_FOREACH(dcl, &ds->listeners, next) { 203 dcl_interval = dcl->update_interval ? 204 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT; 205 if (interval > dcl_interval) { 206 interval = dcl_interval; 207 } 208 } 209 if (ds->update_interval != interval) { 210 ds->update_interval = interval; 211 for (i = 0; i < nb_consoles; i++) { 212 if (consoles[i]->hw_ops->update_interval) { 213 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval); 214 } 215 } 216 trace_console_refresh(interval); 217 } 218 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME); 219 timer_mod(ds->gui_timer, ds->last_update + interval); 220 } 221 222 static void gui_setup_refresh(DisplayState *ds) 223 { 224 DisplayChangeListener *dcl; 225 bool need_timer = false; 226 bool have_gfx = false; 227 bool have_text = false; 228 229 QLIST_FOREACH(dcl, &ds->listeners, next) { 230 if (dcl->ops->dpy_refresh != NULL) { 231 need_timer = true; 232 } 233 if (dcl->ops->dpy_gfx_update != NULL) { 234 have_gfx = true; 235 } 236 if (dcl->ops->dpy_text_update != NULL) { 237 have_text = true; 238 } 239 } 240 241 if (need_timer && ds->gui_timer == NULL) { 242 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds); 243 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)); 244 } 245 if (!need_timer && ds->gui_timer != NULL) { 246 timer_del(ds->gui_timer); 247 timer_free(ds->gui_timer); 248 ds->gui_timer = NULL; 249 } 250 251 ds->have_gfx = have_gfx; 252 ds->have_text = have_text; 253 } 254 255 void graphic_hw_update(QemuConsole *con) 256 { 257 if (!con) { 258 con = active_console; 259 } 260 if (con && con->hw_ops->gfx_update) { 261 con->hw_ops->gfx_update(con->hw); 262 } 263 } 264 265 void graphic_hw_gl_block(QemuConsole *con, bool block) 266 { 267 if (!con) { 268 con = active_console; 269 } 270 if (con && con->hw_ops->gl_block) { 271 con->hw_ops->gl_block(con->hw, block); 272 } 273 } 274 275 void graphic_hw_invalidate(QemuConsole *con) 276 { 277 if (!con) { 278 con = active_console; 279 } 280 if (con && con->hw_ops->invalidate) { 281 con->hw_ops->invalidate(con->hw); 282 } 283 } 284 285 static void ppm_save(const char *filename, DisplaySurface *ds, 286 Error **errp) 287 { 288 int width = pixman_image_get_width(ds->image); 289 int height = pixman_image_get_height(ds->image); 290 int fd; 291 FILE *f; 292 int y; 293 int ret; 294 pixman_image_t *linebuf; 295 296 trace_ppm_save(filename, ds); 297 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666); 298 if (fd == -1) { 299 error_setg(errp, "failed to open file '%s': %s", filename, 300 strerror(errno)); 301 return; 302 } 303 f = fdopen(fd, "wb"); 304 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255); 305 if (ret < 0) { 306 linebuf = NULL; 307 goto write_err; 308 } 309 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width); 310 for (y = 0; y < height; y++) { 311 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y); 312 clearerr(f); 313 ret = fwrite(pixman_image_get_data(linebuf), 1, 314 pixman_image_get_stride(linebuf), f); 315 (void)ret; 316 if (ferror(f)) { 317 goto write_err; 318 } 319 } 320 321 out: 322 qemu_pixman_image_unref(linebuf); 323 fclose(f); 324 return; 325 326 write_err: 327 error_setg(errp, "failed to write to file '%s': %s", filename, 328 strerror(errno)); 329 unlink(filename); 330 goto out; 331 } 332 333 void qmp_screendump(const char *filename, Error **errp) 334 { 335 QemuConsole *con = qemu_console_lookup_by_index(0); 336 DisplaySurface *surface; 337 338 if (con == NULL) { 339 error_setg(errp, "There is no QemuConsole I can screendump from."); 340 return; 341 } 342 343 graphic_hw_update(con); 344 surface = qemu_console_surface(con); 345 ppm_save(filename, surface, errp); 346 } 347 348 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata) 349 { 350 if (!con) { 351 con = active_console; 352 } 353 if (con && con->hw_ops->text_update) { 354 con->hw_ops->text_update(con->hw, chardata); 355 } 356 } 357 358 static void vga_fill_rect(QemuConsole *con, 359 int posx, int posy, int width, int height, 360 pixman_color_t color) 361 { 362 DisplaySurface *surface = qemu_console_surface(con); 363 pixman_rectangle16_t rect = { 364 .x = posx, .y = posy, .width = width, .height = height 365 }; 366 367 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image, 368 &color, 1, &rect); 369 } 370 371 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */ 372 static void vga_bitblt(QemuConsole *con, 373 int xs, int ys, int xd, int yd, int w, int h) 374 { 375 DisplaySurface *surface = qemu_console_surface(con); 376 377 pixman_image_composite(PIXMAN_OP_SRC, 378 surface->image, NULL, surface->image, 379 xs, ys, 0, 0, xd, yd, w, h); 380 } 381 382 /***********************************************************/ 383 /* basic char display */ 384 385 #define FONT_HEIGHT 16 386 #define FONT_WIDTH 8 387 388 #include "vgafont.h" 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_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */ 396 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */ 397 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */ 398 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */ 399 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */ 400 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */ 401 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */ 402 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */ 403 }, 404 { /* bright */ 405 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */ 406 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */ 407 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */ 408 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */ 409 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */ 410 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */ 411 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */ 412 [QEMU_COLOR_WHITE] = 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_new(TextCell, s->width * s->total_height); 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][QEMU_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 = QEMU_COLOR_BLACK; 700 break; 701 case 31: 702 s->t_attrib.fgcol = QEMU_COLOR_RED; 703 break; 704 case 32: 705 s->t_attrib.fgcol = QEMU_COLOR_GREEN; 706 break; 707 case 33: 708 s->t_attrib.fgcol = QEMU_COLOR_YELLOW; 709 break; 710 case 34: 711 s->t_attrib.fgcol = QEMU_COLOR_BLUE; 712 break; 713 case 35: 714 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA; 715 break; 716 case 36: 717 s->t_attrib.fgcol = QEMU_COLOR_CYAN; 718 break; 719 case 37: 720 s->t_attrib.fgcol = QEMU_COLOR_WHITE; 721 break; 722 /* set background color */ 723 case 40: 724 s->t_attrib.bgcol = QEMU_COLOR_BLACK; 725 break; 726 case 41: 727 s->t_attrib.bgcol = QEMU_COLOR_RED; 728 break; 729 case 42: 730 s->t_attrib.bgcol = QEMU_COLOR_GREEN; 731 break; 732 case 43: 733 s->t_attrib.bgcol = QEMU_COLOR_YELLOW; 734 break; 735 case 44: 736 s->t_attrib.bgcol = QEMU_COLOR_BLUE; 737 break; 738 case 45: 739 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA; 740 break; 741 case 46: 742 s->t_attrib.bgcol = QEMU_COLOR_CYAN; 743 break; 744 case 47: 745 s->t_attrib.bgcol = QEMU_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 ++, 1168 ATTR2CHTYPE(s->cells[src].ch, 1169 s->cells[src].t_attrib.fgcol, 1170 s->cells[src].t_attrib.bgcol, 1171 s->cells[src].t_attrib.bold)); 1172 } 1173 dpy_text_update(s, s->text_x[0], s->text_y[0], 1174 s->text_x[1] - s->text_x[0], i - s->text_y[0]); 1175 s->text_x[0] = s->width; 1176 s->text_y[0] = s->height; 1177 s->text_x[1] = 0; 1178 s->text_y[1] = 0; 1179 } 1180 if (s->cursor_invalidate) { 1181 dpy_text_cursor(s, s->x, s->y); 1182 s->cursor_invalidate = 0; 1183 } 1184 } 1185 1186 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type, 1187 uint32_t head) 1188 { 1189 Object *obj; 1190 QemuConsole *s; 1191 int i; 1192 1193 obj = object_new(TYPE_QEMU_CONSOLE); 1194 s = QEMU_CONSOLE(obj); 1195 s->head = head; 1196 object_property_add_link(obj, "device", TYPE_DEVICE, 1197 (Object **)&s->device, 1198 object_property_allow_set_link, 1199 OBJ_PROP_LINK_UNREF_ON_RELEASE, 1200 &error_abort); 1201 object_property_add_uint32_ptr(obj, "head", 1202 &s->head, &error_abort); 1203 1204 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) && 1205 (console_type == GRAPHIC_CONSOLE))) { 1206 active_console = s; 1207 } 1208 s->ds = ds; 1209 s->console_type = console_type; 1210 1211 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1)); 1212 if (console_type != GRAPHIC_CONSOLE) { 1213 s->index = nb_consoles; 1214 consoles[nb_consoles++] = s; 1215 } else { 1216 /* HACK: Put graphical consoles before text consoles. */ 1217 for (i = nb_consoles; i > 0; i--) { 1218 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE) 1219 break; 1220 consoles[i] = consoles[i - 1]; 1221 consoles[i]->index = i; 1222 } 1223 s->index = i; 1224 consoles[i] = s; 1225 nb_consoles++; 1226 } 1227 return s; 1228 } 1229 1230 static void qemu_alloc_display(DisplaySurface *surface, int width, int height) 1231 { 1232 qemu_pixman_image_unref(surface->image); 1233 surface->image = NULL; 1234 1235 surface->format = PIXMAN_x8r8g8b8; 1236 surface->image = pixman_image_create_bits(surface->format, 1237 width, height, 1238 NULL, width * 4); 1239 assert(surface->image != NULL); 1240 1241 surface->flags = QEMU_ALLOCATED_FLAG; 1242 } 1243 1244 DisplaySurface *qemu_create_displaysurface(int width, int height) 1245 { 1246 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1247 1248 trace_displaysurface_create(surface, width, height); 1249 qemu_alloc_display(surface, width, height); 1250 return surface; 1251 } 1252 1253 DisplaySurface *qemu_create_displaysurface_from(int width, int height, 1254 pixman_format_code_t format, 1255 int linesize, uint8_t *data) 1256 { 1257 DisplaySurface *surface = g_new0(DisplaySurface, 1); 1258 1259 trace_displaysurface_create_from(surface, width, height, format); 1260 surface->format = format; 1261 surface->image = pixman_image_create_bits(surface->format, 1262 width, height, 1263 (void *)data, linesize); 1264 assert(surface->image != NULL); 1265 1266 return surface; 1267 } 1268 1269 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image, 1270 void *unused) 1271 { 1272 void *data = pixman_image_get_data(image); 1273 uint32_t size = pixman_image_get_stride(image) * 1274 pixman_image_get_height(image); 1275 cpu_physical_memory_unmap(data, size, 0, 0); 1276 } 1277 1278 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height, 1279 pixman_format_code_t format, 1280 int linesize, uint64_t addr) 1281 { 1282 DisplaySurface *surface; 1283 hwaddr size; 1284 void *data; 1285 1286 if (linesize == 0) { 1287 linesize = width * PIXMAN_FORMAT_BPP(format) / 8; 1288 } 1289 1290 size = (hwaddr)linesize * height; 1291 data = cpu_physical_memory_map(addr, &size, 0); 1292 if (size != (hwaddr)linesize * height) { 1293 cpu_physical_memory_unmap(data, size, 0, 0); 1294 return NULL; 1295 } 1296 1297 surface = qemu_create_displaysurface_from 1298 (width, height, format, linesize, data); 1299 pixman_image_set_destroy_function 1300 (surface->image, qemu_unmap_displaysurface_guestmem, NULL); 1301 1302 return surface; 1303 } 1304 1305 static DisplaySurface *qemu_create_message_surface(int w, int h, 1306 const char *msg) 1307 { 1308 DisplaySurface *surface = qemu_create_displaysurface(w, h); 1309 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK]; 1310 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE]; 1311 pixman_image_t *glyph; 1312 int len, x, y, i; 1313 1314 len = strlen(msg); 1315 x = (w / FONT_WIDTH - len) / 2; 1316 y = (h / FONT_HEIGHT - 1) / 2; 1317 for (i = 0; i < len; i++) { 1318 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]); 1319 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg, 1320 x+i, y, FONT_WIDTH, FONT_HEIGHT); 1321 qemu_pixman_image_unref(glyph); 1322 } 1323 return surface; 1324 } 1325 1326 void qemu_free_displaysurface(DisplaySurface *surface) 1327 { 1328 if (surface == NULL) { 1329 return; 1330 } 1331 trace_displaysurface_free(surface); 1332 qemu_pixman_image_unref(surface->image); 1333 g_free(surface); 1334 } 1335 1336 bool console_has_gl(QemuConsole *con) 1337 { 1338 return con->gl != NULL; 1339 } 1340 1341 void register_displaychangelistener(DisplayChangeListener *dcl) 1342 { 1343 static const char nodev[] = 1344 "This VM has no graphic display device."; 1345 static DisplaySurface *dummy; 1346 QemuConsole *con; 1347 1348 if (dcl->ops->dpy_gl_ctx_create) { 1349 /* display has opengl support */ 1350 assert(dcl->con); 1351 if (dcl->con->gl) { 1352 fprintf(stderr, "can't register two opengl displays (%s, %s)\n", 1353 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name); 1354 exit(1); 1355 } 1356 dcl->con->gl = dcl; 1357 } 1358 1359 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name); 1360 dcl->ds = get_alloc_displaystate(); 1361 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next); 1362 gui_setup_refresh(dcl->ds); 1363 if (dcl->con) { 1364 dcl->con->dcls++; 1365 con = dcl->con; 1366 } else { 1367 con = active_console; 1368 } 1369 if (dcl->ops->dpy_gfx_switch) { 1370 if (con) { 1371 dcl->ops->dpy_gfx_switch(dcl, con->surface); 1372 } else { 1373 if (!dummy) { 1374 dummy = qemu_create_message_surface(640, 480, nodev); 1375 } 1376 dcl->ops->dpy_gfx_switch(dcl, dummy); 1377 } 1378 } 1379 text_console_update_cursor(NULL); 1380 } 1381 1382 void update_displaychangelistener(DisplayChangeListener *dcl, 1383 uint64_t interval) 1384 { 1385 DisplayState *ds = dcl->ds; 1386 1387 dcl->update_interval = interval; 1388 if (!ds->refreshing && ds->update_interval > interval) { 1389 timer_mod(ds->gui_timer, ds->last_update + interval); 1390 } 1391 } 1392 1393 void unregister_displaychangelistener(DisplayChangeListener *dcl) 1394 { 1395 DisplayState *ds = dcl->ds; 1396 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name); 1397 if (dcl->con) { 1398 dcl->con->dcls--; 1399 } 1400 QLIST_REMOVE(dcl, next); 1401 gui_setup_refresh(ds); 1402 } 1403 1404 static void dpy_set_ui_info_timer(void *opaque) 1405 { 1406 QemuConsole *con = opaque; 1407 1408 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info); 1409 } 1410 1411 bool dpy_ui_info_supported(QemuConsole *con) 1412 { 1413 return con->hw_ops->ui_info != NULL; 1414 } 1415 1416 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info) 1417 { 1418 assert(con != NULL); 1419 con->ui_info = *info; 1420 if (!dpy_ui_info_supported(con)) { 1421 return -1; 1422 } 1423 1424 /* 1425 * Typically we get a flood of these as the user resizes the window. 1426 * Wait until the dust has settled (one second without updates), then 1427 * go notify the guest. 1428 */ 1429 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000); 1430 return 0; 1431 } 1432 1433 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h) 1434 { 1435 DisplayState *s = con->ds; 1436 DisplayChangeListener *dcl; 1437 int width = w; 1438 int height = h; 1439 1440 if (con->surface) { 1441 width = surface_width(con->surface); 1442 height = surface_height(con->surface); 1443 } 1444 x = MAX(x, 0); 1445 y = MAX(y, 0); 1446 x = MIN(x, width); 1447 y = MIN(y, height); 1448 w = MIN(w, width - x); 1449 h = MIN(h, height - y); 1450 1451 if (!qemu_console_is_visible(con)) { 1452 return; 1453 } 1454 QLIST_FOREACH(dcl, &s->listeners, next) { 1455 if (con != (dcl->con ? dcl->con : active_console)) { 1456 continue; 1457 } 1458 if (dcl->ops->dpy_gfx_update) { 1459 dcl->ops->dpy_gfx_update(dcl, x, y, w, h); 1460 } 1461 } 1462 } 1463 1464 void dpy_gfx_replace_surface(QemuConsole *con, 1465 DisplaySurface *surface) 1466 { 1467 DisplayState *s = con->ds; 1468 DisplaySurface *old_surface = con->surface; 1469 DisplayChangeListener *dcl; 1470 1471 con->surface = surface; 1472 QLIST_FOREACH(dcl, &s->listeners, next) { 1473 if (con != (dcl->con ? dcl->con : active_console)) { 1474 continue; 1475 } 1476 if (dcl->ops->dpy_gfx_switch) { 1477 dcl->ops->dpy_gfx_switch(dcl, surface); 1478 } 1479 } 1480 qemu_free_displaysurface(old_surface); 1481 } 1482 1483 bool dpy_gfx_check_format(QemuConsole *con, 1484 pixman_format_code_t format) 1485 { 1486 DisplayChangeListener *dcl; 1487 DisplayState *s = con->ds; 1488 1489 QLIST_FOREACH(dcl, &s->listeners, next) { 1490 if (dcl->con && dcl->con != con) { 1491 /* dcl bound to another console -> skip */ 1492 continue; 1493 } 1494 if (dcl->ops->dpy_gfx_check_format) { 1495 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) { 1496 return false; 1497 } 1498 } else { 1499 /* default is to whitelist native 32 bpp only */ 1500 if (format != qemu_default_pixman_format(32, true)) { 1501 return false; 1502 } 1503 } 1504 } 1505 return true; 1506 } 1507 1508 static void dpy_refresh(DisplayState *s) 1509 { 1510 DisplayChangeListener *dcl; 1511 1512 QLIST_FOREACH(dcl, &s->listeners, next) { 1513 if (dcl->ops->dpy_refresh) { 1514 dcl->ops->dpy_refresh(dcl); 1515 } 1516 } 1517 } 1518 1519 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y, 1520 int dst_x, int dst_y, int w, int h) 1521 { 1522 DisplayState *s = con->ds; 1523 DisplayChangeListener *dcl; 1524 1525 if (!qemu_console_is_visible(con)) { 1526 return; 1527 } 1528 QLIST_FOREACH(dcl, &s->listeners, next) { 1529 if (con != (dcl->con ? dcl->con : active_console)) { 1530 continue; 1531 } 1532 if (dcl->ops->dpy_gfx_copy) { 1533 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h); 1534 } else { /* TODO */ 1535 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h); 1536 } 1537 } 1538 } 1539 1540 void dpy_text_cursor(QemuConsole *con, int x, int y) 1541 { 1542 DisplayState *s = con->ds; 1543 DisplayChangeListener *dcl; 1544 1545 if (!qemu_console_is_visible(con)) { 1546 return; 1547 } 1548 QLIST_FOREACH(dcl, &s->listeners, next) { 1549 if (con != (dcl->con ? dcl->con : active_console)) { 1550 continue; 1551 } 1552 if (dcl->ops->dpy_text_cursor) { 1553 dcl->ops->dpy_text_cursor(dcl, x, y); 1554 } 1555 } 1556 } 1557 1558 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h) 1559 { 1560 DisplayState *s = con->ds; 1561 DisplayChangeListener *dcl; 1562 1563 if (!qemu_console_is_visible(con)) { 1564 return; 1565 } 1566 QLIST_FOREACH(dcl, &s->listeners, next) { 1567 if (con != (dcl->con ? dcl->con : active_console)) { 1568 continue; 1569 } 1570 if (dcl->ops->dpy_text_update) { 1571 dcl->ops->dpy_text_update(dcl, x, y, w, h); 1572 } 1573 } 1574 } 1575 1576 void dpy_text_resize(QemuConsole *con, int w, int h) 1577 { 1578 DisplayState *s = con->ds; 1579 DisplayChangeListener *dcl; 1580 1581 if (!qemu_console_is_visible(con)) { 1582 return; 1583 } 1584 QLIST_FOREACH(dcl, &s->listeners, next) { 1585 if (con != (dcl->con ? dcl->con : active_console)) { 1586 continue; 1587 } 1588 if (dcl->ops->dpy_text_resize) { 1589 dcl->ops->dpy_text_resize(dcl, w, h); 1590 } 1591 } 1592 } 1593 1594 void dpy_mouse_set(QemuConsole *con, int x, int y, int on) 1595 { 1596 DisplayState *s = con->ds; 1597 DisplayChangeListener *dcl; 1598 1599 if (!qemu_console_is_visible(con)) { 1600 return; 1601 } 1602 QLIST_FOREACH(dcl, &s->listeners, next) { 1603 if (con != (dcl->con ? dcl->con : active_console)) { 1604 continue; 1605 } 1606 if (dcl->ops->dpy_mouse_set) { 1607 dcl->ops->dpy_mouse_set(dcl, x, y, on); 1608 } 1609 } 1610 } 1611 1612 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor) 1613 { 1614 DisplayState *s = con->ds; 1615 DisplayChangeListener *dcl; 1616 1617 if (!qemu_console_is_visible(con)) { 1618 return; 1619 } 1620 QLIST_FOREACH(dcl, &s->listeners, next) { 1621 if (con != (dcl->con ? dcl->con : active_console)) { 1622 continue; 1623 } 1624 if (dcl->ops->dpy_cursor_define) { 1625 dcl->ops->dpy_cursor_define(dcl, cursor); 1626 } 1627 } 1628 } 1629 1630 bool dpy_cursor_define_supported(QemuConsole *con) 1631 { 1632 DisplayState *s = con->ds; 1633 DisplayChangeListener *dcl; 1634 1635 QLIST_FOREACH(dcl, &s->listeners, next) { 1636 if (dcl->ops->dpy_cursor_define) { 1637 return true; 1638 } 1639 } 1640 return false; 1641 } 1642 1643 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con, 1644 struct QEMUGLParams *qparams) 1645 { 1646 assert(con->gl); 1647 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams); 1648 } 1649 1650 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx) 1651 { 1652 assert(con->gl); 1653 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx); 1654 } 1655 1656 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx) 1657 { 1658 assert(con->gl); 1659 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx); 1660 } 1661 1662 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con) 1663 { 1664 assert(con->gl); 1665 return con->gl->ops->dpy_gl_ctx_get_current(con->gl); 1666 } 1667 1668 void dpy_gl_scanout(QemuConsole *con, 1669 uint32_t backing_id, bool backing_y_0_top, 1670 uint32_t x, uint32_t y, uint32_t width, uint32_t height) 1671 { 1672 assert(con->gl); 1673 con->gl->ops->dpy_gl_scanout(con->gl, backing_id, 1674 backing_y_0_top, 1675 x, y, width, height); 1676 } 1677 1678 void dpy_gl_update(QemuConsole *con, 1679 uint32_t x, uint32_t y, uint32_t w, uint32_t h) 1680 { 1681 assert(con->gl); 1682 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h); 1683 } 1684 1685 /***********************************************************/ 1686 /* register display */ 1687 1688 /* console.c internal use only */ 1689 static DisplayState *get_alloc_displaystate(void) 1690 { 1691 if (!display_state) { 1692 display_state = g_new0(DisplayState, 1); 1693 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME, 1694 text_console_update_cursor, NULL); 1695 } 1696 return display_state; 1697 } 1698 1699 /* 1700 * Called by main(), after creating QemuConsoles 1701 * and before initializing ui (sdl/vnc/...). 1702 */ 1703 DisplayState *init_displaystate(void) 1704 { 1705 gchar *name; 1706 int i; 1707 1708 get_alloc_displaystate(); 1709 for (i = 0; i < nb_consoles; i++) { 1710 if (consoles[i]->console_type != GRAPHIC_CONSOLE && 1711 consoles[i]->ds == NULL) { 1712 text_console_do_init(consoles[i]->chr, display_state); 1713 } 1714 1715 /* Hook up into the qom tree here (not in new_console()), once 1716 * all QemuConsoles are created and the order / numbering 1717 * doesn't change any more */ 1718 name = g_strdup_printf("console[%d]", i); 1719 object_property_add_child(container_get(object_get_root(), "/backend"), 1720 name, OBJECT(consoles[i]), &error_abort); 1721 g_free(name); 1722 } 1723 1724 return display_state; 1725 } 1726 1727 void graphic_console_set_hwops(QemuConsole *con, 1728 const GraphicHwOps *hw_ops, 1729 void *opaque) 1730 { 1731 con->hw_ops = hw_ops; 1732 con->hw = opaque; 1733 } 1734 1735 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head, 1736 const GraphicHwOps *hw_ops, 1737 void *opaque) 1738 { 1739 static const char noinit[] = 1740 "Guest has not initialized the display (yet)."; 1741 int width = 640; 1742 int height = 480; 1743 QemuConsole *s; 1744 DisplayState *ds; 1745 1746 ds = get_alloc_displaystate(); 1747 trace_console_gfx_new(); 1748 s = new_console(ds, GRAPHIC_CONSOLE, head); 1749 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s); 1750 graphic_console_set_hwops(s, hw_ops, opaque); 1751 if (dev) { 1752 object_property_set_link(OBJECT(s), OBJECT(dev), "device", 1753 &error_abort); 1754 } 1755 1756 s->surface = qemu_create_message_surface(width, height, noinit); 1757 return s; 1758 } 1759 1760 QemuConsole *qemu_console_lookup_by_index(unsigned int index) 1761 { 1762 if (index >= nb_consoles) { 1763 return NULL; 1764 } 1765 return consoles[index]; 1766 } 1767 1768 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head) 1769 { 1770 Object *obj; 1771 uint32_t h; 1772 int i; 1773 1774 for (i = 0; i < nb_consoles; i++) { 1775 if (!consoles[i]) { 1776 continue; 1777 } 1778 obj = object_property_get_link(OBJECT(consoles[i]), 1779 "device", &error_abort); 1780 if (DEVICE(obj) != dev) { 1781 continue; 1782 } 1783 h = object_property_get_int(OBJECT(consoles[i]), 1784 "head", &error_abort); 1785 if (h != head) { 1786 continue; 1787 } 1788 return consoles[i]; 1789 } 1790 return NULL; 1791 } 1792 1793 bool qemu_console_is_visible(QemuConsole *con) 1794 { 1795 return (con == active_console) || (con->dcls > 0); 1796 } 1797 1798 bool qemu_console_is_graphic(QemuConsole *con) 1799 { 1800 if (con == NULL) { 1801 con = active_console; 1802 } 1803 return con && (con->console_type == GRAPHIC_CONSOLE); 1804 } 1805 1806 bool qemu_console_is_fixedsize(QemuConsole *con) 1807 { 1808 if (con == NULL) { 1809 con = active_console; 1810 } 1811 return con && (con->console_type != TEXT_CONSOLE); 1812 } 1813 1814 char *qemu_console_get_label(QemuConsole *con) 1815 { 1816 if (con->console_type == GRAPHIC_CONSOLE) { 1817 if (con->device) { 1818 return g_strdup(object_get_typename(con->device)); 1819 } 1820 return g_strdup("VGA"); 1821 } else { 1822 if (con->chr && con->chr->label) { 1823 return g_strdup(con->chr->label); 1824 } 1825 return g_strdup_printf("vc%d", con->index); 1826 } 1827 } 1828 1829 int qemu_console_get_index(QemuConsole *con) 1830 { 1831 if (con == NULL) { 1832 con = active_console; 1833 } 1834 return con ? con->index : -1; 1835 } 1836 1837 uint32_t qemu_console_get_head(QemuConsole *con) 1838 { 1839 if (con == NULL) { 1840 con = active_console; 1841 } 1842 return con ? con->head : -1; 1843 } 1844 1845 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con) 1846 { 1847 assert(con != NULL); 1848 return &con->ui_info; 1849 } 1850 1851 int qemu_console_get_width(QemuConsole *con, int fallback) 1852 { 1853 if (con == NULL) { 1854 con = active_console; 1855 } 1856 return con ? surface_width(con->surface) : fallback; 1857 } 1858 1859 int qemu_console_get_height(QemuConsole *con, int fallback) 1860 { 1861 if (con == NULL) { 1862 con = active_console; 1863 } 1864 return con ? surface_height(con->surface) : fallback; 1865 } 1866 1867 static void text_console_set_echo(CharDriverState *chr, bool echo) 1868 { 1869 QemuConsole *s = chr->opaque; 1870 1871 s->echo = echo; 1872 } 1873 1874 static void text_console_update_cursor_timer(void) 1875 { 1876 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) 1877 + CONSOLE_CURSOR_PERIOD / 2); 1878 } 1879 1880 static void text_console_update_cursor(void *opaque) 1881 { 1882 QemuConsole *s; 1883 int i, count = 0; 1884 1885 cursor_visible_phase = !cursor_visible_phase; 1886 1887 for (i = 0; i < nb_consoles; i++) { 1888 s = consoles[i]; 1889 if (qemu_console_is_graphic(s) || 1890 !qemu_console_is_visible(s)) { 1891 continue; 1892 } 1893 count++; 1894 graphic_hw_invalidate(s); 1895 } 1896 1897 if (count) { 1898 text_console_update_cursor_timer(); 1899 } 1900 } 1901 1902 static const GraphicHwOps text_console_ops = { 1903 .invalidate = text_console_invalidate, 1904 .text_update = text_console_update, 1905 }; 1906 1907 static void text_console_do_init(CharDriverState *chr, DisplayState *ds) 1908 { 1909 QemuConsole *s; 1910 int g_width = 80 * FONT_WIDTH; 1911 int g_height = 24 * FONT_HEIGHT; 1912 1913 s = chr->opaque; 1914 1915 chr->chr_write = console_puts; 1916 1917 s->out_fifo.buf = s->out_fifo_buf; 1918 s->out_fifo.buf_size = sizeof(s->out_fifo_buf); 1919 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s); 1920 s->ds = ds; 1921 1922 s->y_displayed = 0; 1923 s->y_base = 0; 1924 s->total_height = DEFAULT_BACKSCROLL; 1925 s->x = 0; 1926 s->y = 0; 1927 if (!s->surface) { 1928 if (active_console && active_console->surface) { 1929 g_width = surface_width(active_console->surface); 1930 g_height = surface_height(active_console->surface); 1931 } 1932 s->surface = qemu_create_displaysurface(g_width, g_height); 1933 } 1934 1935 s->hw_ops = &text_console_ops; 1936 s->hw = s; 1937 1938 /* Set text attribute defaults */ 1939 s->t_attrib_default.bold = 0; 1940 s->t_attrib_default.uline = 0; 1941 s->t_attrib_default.blink = 0; 1942 s->t_attrib_default.invers = 0; 1943 s->t_attrib_default.unvisible = 0; 1944 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE; 1945 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK; 1946 /* set current text attributes to default */ 1947 s->t_attrib = s->t_attrib_default; 1948 text_console_resize(s); 1949 1950 if (chr->label) { 1951 char msg[128]; 1952 int len; 1953 1954 s->t_attrib.bgcol = QEMU_COLOR_BLUE; 1955 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label); 1956 console_puts(chr, (uint8_t*)msg, len); 1957 s->t_attrib = s->t_attrib_default; 1958 } 1959 1960 qemu_chr_be_generic_open(chr); 1961 if (chr->init) 1962 chr->init(chr); 1963 } 1964 1965 static CharDriverState *text_console_init(ChardevVC *vc, Error **errp) 1966 { 1967 ChardevCommon *common = qapi_ChardevVC_base(vc); 1968 CharDriverState *chr; 1969 QemuConsole *s; 1970 unsigned width = 0; 1971 unsigned height = 0; 1972 1973 chr = qemu_chr_alloc(common, errp); 1974 if (!chr) { 1975 return NULL; 1976 } 1977 1978 if (vc->has_width) { 1979 width = vc->width; 1980 } else if (vc->has_cols) { 1981 width = vc->cols * FONT_WIDTH; 1982 } 1983 1984 if (vc->has_height) { 1985 height = vc->height; 1986 } else if (vc->has_rows) { 1987 height = vc->rows * FONT_HEIGHT; 1988 } 1989 1990 trace_console_txt_new(width, height); 1991 if (width == 0 || height == 0) { 1992 s = new_console(NULL, TEXT_CONSOLE, 0); 1993 } else { 1994 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0); 1995 s->surface = qemu_create_displaysurface(width, height); 1996 } 1997 1998 if (!s) { 1999 g_free(chr); 2000 error_setg(errp, "cannot create text console"); 2001 return NULL; 2002 } 2003 2004 s->chr = chr; 2005 chr->opaque = s; 2006 chr->chr_set_echo = text_console_set_echo; 2007 /* console/chardev init sometimes completes elsewhere in a 2nd 2008 * stage, so defer OPENED events until they are fully initialized 2009 */ 2010 chr->explicit_be_open = true; 2011 2012 if (display_state) { 2013 text_console_do_init(chr, display_state); 2014 } 2015 return chr; 2016 } 2017 2018 static VcHandler *vc_handler = text_console_init; 2019 2020 static CharDriverState *vc_init(const char *id, ChardevBackend *backend, 2021 ChardevReturn *ret, Error **errp) 2022 { 2023 return vc_handler(backend->u.vc, errp); 2024 } 2025 2026 void register_vc_handler(VcHandler *handler) 2027 { 2028 vc_handler = handler; 2029 } 2030 2031 void qemu_console_resize(QemuConsole *s, int width, int height) 2032 { 2033 DisplaySurface *surface; 2034 2035 assert(s->console_type == GRAPHIC_CONSOLE); 2036 surface = qemu_create_displaysurface(width, height); 2037 dpy_gfx_replace_surface(s, surface); 2038 } 2039 2040 void qemu_console_copy(QemuConsole *con, int src_x, int src_y, 2041 int dst_x, int dst_y, int w, int h) 2042 { 2043 assert(con->console_type == GRAPHIC_CONSOLE); 2044 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h); 2045 } 2046 2047 DisplaySurface *qemu_console_surface(QemuConsole *console) 2048 { 2049 return console->surface; 2050 } 2051 2052 PixelFormat qemu_default_pixelformat(int bpp) 2053 { 2054 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true); 2055 PixelFormat pf = qemu_pixelformat_from_pixman(fmt); 2056 return pf; 2057 } 2058 2059 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, 2060 Error **errp) 2061 { 2062 int val; 2063 2064 backend->u.vc = g_new0(ChardevVC, 1); 2065 2066 val = qemu_opt_get_number(opts, "width", 0); 2067 if (val != 0) { 2068 backend->u.vc->has_width = true; 2069 backend->u.vc->width = val; 2070 } 2071 2072 val = qemu_opt_get_number(opts, "height", 0); 2073 if (val != 0) { 2074 backend->u.vc->has_height = true; 2075 backend->u.vc->height = val; 2076 } 2077 2078 val = qemu_opt_get_number(opts, "cols", 0); 2079 if (val != 0) { 2080 backend->u.vc->has_cols = true; 2081 backend->u.vc->cols = val; 2082 } 2083 2084 val = qemu_opt_get_number(opts, "rows", 0); 2085 if (val != 0) { 2086 backend->u.vc->has_rows = true; 2087 backend->u.vc->rows = val; 2088 } 2089 } 2090 2091 static const TypeInfo qemu_console_info = { 2092 .name = TYPE_QEMU_CONSOLE, 2093 .parent = TYPE_OBJECT, 2094 .instance_size = sizeof(QemuConsole), 2095 .class_size = sizeof(QemuConsoleClass), 2096 }; 2097 2098 2099 static void register_types(void) 2100 { 2101 type_register_static(&qemu_console_info); 2102 register_char_driver("vc", CHARDEV_BACKEND_KIND_VC, qemu_chr_parse_vc, 2103 vc_init); 2104 } 2105 2106 type_init(register_types); 2107