1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2009, 2013 The FreeBSD Foundation 5 * 6 * This software was developed by Ed Schouten under sponsorship from the 7 * FreeBSD Foundation. 8 * 9 * Portions of this software were developed by Oleksandr Rybalko 10 * under sponsorship from the FreeBSD Foundation. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/param.h> 35 #include <sys/consio.h> 36 #include <sys/devctl.h> 37 #include <sys/eventhandler.h> 38 #include <sys/fbio.h> 39 #include <sys/font.h> 40 #include <sys/kbio.h> 41 #include <sys/kdb.h> 42 #include <sys/kernel.h> 43 #include <sys/linker.h> 44 #include <sys/lock.h> 45 #include <sys/malloc.h> 46 #include <sys/mutex.h> 47 #include <sys/splash.h> 48 #include <sys/power.h> 49 #include <sys/priv.h> 50 #include <sys/proc.h> 51 #include <sys/random.h> 52 #include <sys/reboot.h> 53 #include <sys/sbuf.h> 54 #include <sys/systm.h> 55 #include <sys/terminal.h> 56 57 #include <dev/kbd/kbdreg.h> 58 #include <dev/vt/vt.h> 59 60 #if defined(__i386__) || defined(__amd64__) 61 #include <machine/psl.h> 62 #include <machine/frame.h> 63 #endif 64 65 static int vtterm_cngrab_noswitch(struct vt_device *, struct vt_window *); 66 static int vtterm_cnungrab_noswitch(struct vt_device *, struct vt_window *); 67 68 static tc_bell_t vtterm_bell; 69 static tc_cursor_t vtterm_cursor; 70 static tc_putchar_t vtterm_putchar; 71 static tc_fill_t vtterm_fill; 72 static tc_copy_t vtterm_copy; 73 static tc_pre_input_t vtterm_pre_input; 74 static tc_post_input_t vtterm_post_input; 75 static tc_param_t vtterm_param; 76 static tc_done_t vtterm_done; 77 78 static tc_cnprobe_t vtterm_cnprobe; 79 static tc_cngetc_t vtterm_cngetc; 80 81 static tc_cngrab_t vtterm_cngrab; 82 static tc_cnungrab_t vtterm_cnungrab; 83 84 static tc_opened_t vtterm_opened; 85 static tc_ioctl_t vtterm_ioctl; 86 static tc_mmap_t vtterm_mmap; 87 88 static const struct terminal_class vt_termclass = { 89 .tc_bell = vtterm_bell, 90 .tc_cursor = vtterm_cursor, 91 .tc_putchar = vtterm_putchar, 92 .tc_fill = vtterm_fill, 93 .tc_copy = vtterm_copy, 94 .tc_pre_input = vtterm_pre_input, 95 .tc_post_input = vtterm_post_input, 96 .tc_param = vtterm_param, 97 .tc_done = vtterm_done, 98 99 .tc_cnprobe = vtterm_cnprobe, 100 .tc_cngetc = vtterm_cngetc, 101 102 .tc_cngrab = vtterm_cngrab, 103 .tc_cnungrab = vtterm_cnungrab, 104 105 .tc_opened = vtterm_opened, 106 .tc_ioctl = vtterm_ioctl, 107 .tc_mmap = vtterm_mmap, 108 }; 109 110 /* 111 * Use a constant timer of 25 Hz to redraw the screen. 112 * 113 * XXX: In theory we should only fire up the timer when there is really 114 * activity. Unfortunately we cannot always start timers. We really 115 * don't want to process kernel messages synchronously, because it 116 * really slows down the system. 117 */ 118 #define VT_TIMERFREQ 25 119 120 /* Bell pitch/duration. */ 121 #define VT_BELLDURATION (SBT_1S / 20) 122 #define VT_BELLPITCH (1193182 / 800) /* Approx 1491Hz */ 123 124 #define VT_UNIT(vw) ((vw)->vw_device->vd_unit * VT_MAXWINDOWS + \ 125 (vw)->vw_number) 126 127 static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 128 "vt(9) parameters"); 129 static VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)"); 130 static VT_SYSCTL_INT(enable_bell, 0, "Enable bell"); 131 static VT_SYSCTL_INT(debug, 0, "vt(9) debug level"); 132 static VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode"); 133 static VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend"); 134 135 /* Allow to disable some keyboard combinations. */ 136 static VT_SYSCTL_INT(kbd_halt, 1, "Enable halt keyboard combination. " 137 "See kbdmap(5) to configure."); 138 static VT_SYSCTL_INT(kbd_poweroff, 1, "Enable Power Off keyboard combination. " 139 "See kbdmap(5) to configure."); 140 static VT_SYSCTL_INT(kbd_reboot, 1, "Enable reboot keyboard combination. " 141 "See kbdmap(5) to configure (typically Ctrl-Alt-Delete)."); 142 static VT_SYSCTL_INT(kbd_debug, 1, "Enable key combination to enter debugger. " 143 "See kbdmap(5) to configure (typically Ctrl-Alt-Esc)."); 144 static VT_SYSCTL_INT(kbd_panic, 0, "Enable request to panic. " 145 "See kbdmap(5) to configure."); 146 147 /* Used internally, not a tunable. */ 148 int vt_draw_logo_cpus; 149 VT_SYSCTL_INT(splash_cpu, 0, "Show logo CPUs during boot"); 150 VT_SYSCTL_INT(splash_ncpu, 0, "Override number of logos displayed " 151 "(0 = do not override)"); 152 VT_SYSCTL_INT(splash_cpu_style, 2, "Draw logo style " 153 "(0 = Alternate beastie, 1 = Beastie, 2 = Orb)"); 154 VT_SYSCTL_INT(splash_cpu_duration, 10, "Hide logos after (seconds)"); 155 156 static unsigned int vt_unit = 0; 157 static MALLOC_DEFINE(M_VT, "vt", "vt device"); 158 struct vt_device *main_vd = &vt_consdev; 159 160 /* Boot logo. */ 161 extern unsigned int vt_logo_width; 162 extern unsigned int vt_logo_height; 163 extern unsigned int vt_logo_depth; 164 extern unsigned char vt_logo_image[]; 165 #ifndef DEV_SPLASH 166 #define vtterm_draw_cpu_logos(...) do {} while (0) 167 const unsigned int vt_logo_sprite_height; 168 #endif 169 170 /* 171 * Console font. vt_font_loader will be filled with font data passed 172 * by loader. If there is no font passed by boot loader, we use built in 173 * default. 174 */ 175 extern struct vt_font vt_font_default; 176 static struct vt_font vt_font_loader; 177 static struct vt_font *vt_font_assigned = &vt_font_default; 178 179 #ifndef SC_NO_CUTPASTE 180 extern struct vt_mouse_cursor vt_default_mouse_pointer; 181 #endif 182 183 static int signal_vt_rel(struct vt_window *); 184 static int signal_vt_acq(struct vt_window *); 185 static int finish_vt_rel(struct vt_window *, int, int *); 186 static int finish_vt_acq(struct vt_window *); 187 static int vt_window_switch(struct vt_window *); 188 static int vt_late_window_switch(struct vt_window *); 189 static int vt_proc_alive(struct vt_window *); 190 static void vt_resize(struct vt_device *); 191 static void vt_update_static(void *); 192 #ifndef SC_NO_CUTPASTE 193 static void vt_mouse_paste(void); 194 #endif 195 static void vt_suspend_handler(void *priv); 196 static void vt_resume_handler(void *priv); 197 198 SET_DECLARE(vt_drv_set, struct vt_driver); 199 200 #define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)) 201 #define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_MAX_WIDTH)) 202 203 static struct terminal vt_consterm; 204 static struct vt_window vt_conswindow; 205 static term_char_t vt_consdrawn[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 206 static term_color_t vt_consdrawnfg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 207 static term_color_t vt_consdrawnbg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 208 static bool vt_cons_pos_to_flush[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 209 struct vt_device vt_consdev = { 210 .vd_driver = NULL, 211 .vd_softc = NULL, 212 .vd_prev_driver = NULL, 213 .vd_prev_softc = NULL, 214 .vd_flags = VDF_INVALID, 215 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, }, 216 .vd_curwindow = &vt_conswindow, 217 .vd_kbstate = 0, 218 219 #ifndef SC_NO_CUTPASTE 220 .vd_pastebuf = { 221 .vpb_buf = NULL, 222 .vpb_bufsz = 0, 223 .vpb_len = 0 224 }, 225 .vd_mcursor = &vt_default_mouse_pointer, 226 .vd_mcursor_fg = TC_WHITE, 227 .vd_mcursor_bg = TC_BLACK, 228 #endif 229 230 .vd_drawn = vt_consdrawn, 231 .vd_drawnfg = vt_consdrawnfg, 232 .vd_drawnbg = vt_consdrawnbg, 233 234 .vd_pos_to_flush = vt_cons_pos_to_flush, 235 }; 236 static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)]; 237 static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE]; 238 static struct vt_window vt_conswindow = { 239 .vw_number = VT_CONSWINDOW, 240 .vw_flags = VWF_CONSOLE, 241 .vw_buf = { 242 .vb_buffer = &vt_constextbuf[0], 243 .vb_rows = &vt_constextbufrows[0], 244 .vb_history_size = VBF_DEFAULT_HISTORY_SIZE, 245 .vb_curroffset = 0, 246 .vb_roffset = 0, 247 .vb_flags = VBF_STATIC, 248 .vb_mark_start = {.tp_row = 0, .tp_col = 0,}, 249 .vb_mark_end = {.tp_row = 0, .tp_col = 0,}, 250 .vb_scr_size = { 251 .tp_row = _VTDEFH, 252 .tp_col = _VTDEFW, 253 }, 254 }, 255 .vw_device = &vt_consdev, 256 .vw_terminal = &vt_consterm, 257 .vw_kbdmode = K_XLATE, 258 .vw_grabbed = 0, 259 .vw_bell_pitch = VT_BELLPITCH, 260 .vw_bell_duration = VT_BELLDURATION, 261 }; 262 263 /* Add to set of consoles. */ 264 TERMINAL_DECLARE_EARLY(vt_consterm, vt_termclass, &vt_conswindow); 265 266 /* 267 * Right after kmem is done to allow early drivers to use locking and allocate 268 * memory. 269 */ 270 SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static, 271 &vt_consdev); 272 /* Delay until all devices attached, to not waste time. */ 273 SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade, 274 &vt_consdev); 275 276 static bool inside_vt_flush = false; 277 static bool inside_vt_window_switch = false; 278 279 /* Initialize locks/mem depended members. */ 280 static void 281 vt_update_static(void *dummy) 282 { 283 284 if (!vty_enabled(VTY_VT)) 285 return; 286 if (main_vd->vd_driver != NULL) 287 printf("VT(%s): %s %ux%u\n", main_vd->vd_driver->vd_name, 288 (main_vd->vd_flags & VDF_TEXTMODE) ? "text" : "resolution", 289 main_vd->vd_width, main_vd->vd_height); 290 else 291 printf("VT: init without driver.\n"); 292 293 mtx_init(&main_vd->vd_lock, "vtdev", NULL, MTX_DEF); 294 mtx_init(&main_vd->vd_flush_lock, "vtdev flush", NULL, MTX_DEF); 295 cv_init(&main_vd->vd_winswitch, "vtwswt"); 296 } 297 298 static void 299 vt_schedule_flush(struct vt_device *vd, int ms) 300 { 301 302 if (ms <= 0) 303 /* Default to initial value. */ 304 ms = 1000 / VT_TIMERFREQ; 305 306 callout_schedule(&vd->vd_timer, hz / (1000 / ms)); 307 } 308 309 void 310 vt_resume_flush_timer(struct vt_window *vw, int ms) 311 { 312 struct vt_device *vd = vw->vw_device; 313 314 if (vd->vd_curwindow != vw) 315 return; 316 317 if (!(vd->vd_flags & VDF_ASYNC) || 318 !atomic_cmpset_int(&vd->vd_timer_armed, 0, 1)) 319 return; 320 321 vt_schedule_flush(vd, ms); 322 } 323 324 static void 325 vt_suspend_flush_timer(struct vt_device *vd) 326 { 327 /* 328 * As long as this function is called locked, callout_stop() 329 * has the same effect like callout_drain() with regard to 330 * preventing the callback function from executing. 331 */ 332 VT_LOCK_ASSERT(vd, MA_OWNED); 333 334 if (!(vd->vd_flags & VDF_ASYNC) || 335 !atomic_cmpset_int(&vd->vd_timer_armed, 1, 0)) 336 return; 337 338 callout_stop(&vd->vd_timer); 339 } 340 341 static void 342 vt_switch_timer(void *arg, int pending) 343 { 344 345 (void)vt_late_window_switch((struct vt_window *)arg); 346 } 347 348 static int 349 vt_save_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 350 { 351 int mode, ret; 352 353 mode = 0; 354 ret = kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode); 355 if (ret == ENOIOCTL) 356 ret = ENODEV; 357 if (ret != 0) 358 return (ret); 359 360 vw->vw_kbdmode = mode; 361 362 return (0); 363 } 364 365 static int 366 vt_update_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 367 { 368 int ret; 369 370 ret = kbdd_ioctl(kbd, KDSKBMODE, (caddr_t)&vw->vw_kbdmode); 371 if (ret == ENOIOCTL) 372 ret = ENODEV; 373 374 return (ret); 375 } 376 377 static int 378 vt_save_kbd_state(struct vt_window *vw, keyboard_t *kbd) 379 { 380 int state, ret; 381 382 state = 0; 383 ret = kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state); 384 if (ret == ENOIOCTL) 385 ret = ENODEV; 386 if (ret != 0) 387 return (ret); 388 389 vw->vw_kbdstate &= ~LOCK_MASK; 390 vw->vw_kbdstate |= state & LOCK_MASK; 391 392 return (0); 393 } 394 395 static int 396 vt_update_kbd_state(struct vt_window *vw, keyboard_t *kbd) 397 { 398 int state, ret; 399 400 state = vw->vw_kbdstate & LOCK_MASK; 401 ret = kbdd_ioctl(kbd, KDSKBSTATE, (caddr_t)&state); 402 if (ret == ENOIOCTL) 403 ret = ENODEV; 404 405 return (ret); 406 } 407 408 static int 409 vt_save_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 410 { 411 int leds, ret; 412 413 leds = 0; 414 ret = kbdd_ioctl(kbd, KDGETLED, (caddr_t)&leds); 415 if (ret == ENOIOCTL) 416 ret = ENODEV; 417 if (ret != 0) 418 return (ret); 419 420 vw->vw_kbdstate &= ~LED_MASK; 421 vw->vw_kbdstate |= leds & LED_MASK; 422 423 return (0); 424 } 425 426 static int 427 vt_update_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 428 { 429 int leds, ret; 430 431 leds = vw->vw_kbdstate & LED_MASK; 432 ret = kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 433 if (ret == ENOIOCTL) 434 ret = ENODEV; 435 436 return (ret); 437 } 438 439 static int 440 vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw) 441 { 442 443 DPRINTF(40, "%s\n", __func__); 444 curvw->vw_switch_to = vw; 445 /* Set timer to allow switch in case when process hang. */ 446 taskqueue_enqueue_timeout(taskqueue_thread, &vw->vw_timeout_task_dead, hz * vt_deadtimer); 447 /* Notify process about vt switch attempt. */ 448 DPRINTF(30, "%s: Notify process.\n", __func__); 449 signal_vt_rel(curvw); 450 451 return (0); 452 } 453 454 static int 455 vt_window_postswitch(struct vt_window *vw) 456 { 457 458 signal_vt_acq(vw); 459 return (0); 460 } 461 462 /* vt_late_window_switch will do VT switching for regular case. */ 463 static int 464 vt_late_window_switch(struct vt_window *vw) 465 { 466 struct vt_window *curvw; 467 int ret; 468 469 taskqueue_cancel_timeout(taskqueue_thread, &vw->vw_timeout_task_dead, NULL); 470 471 ret = vt_window_switch(vw); 472 if (ret != 0) { 473 /* 474 * If the switch hasn't happened, then return the VT 475 * to the current owner, if any. 476 */ 477 curvw = vw->vw_device->vd_curwindow; 478 if (curvw->vw_smode.mode == VT_PROCESS) 479 (void)vt_window_postswitch(curvw); 480 return (ret); 481 } 482 483 /* Notify owner process about terminal availability. */ 484 if (vw->vw_smode.mode == VT_PROCESS) { 485 ret = vt_window_postswitch(vw); 486 } 487 return (ret); 488 } 489 490 /* Switch window. */ 491 static int 492 vt_proc_window_switch(struct vt_window *vw) 493 { 494 struct vt_window *curvw; 495 struct vt_device *vd; 496 int ret; 497 498 /* Prevent switching to NULL */ 499 if (vw == NULL) { 500 DPRINTF(30, "%s: Cannot switch: vw is NULL.", __func__); 501 return (EINVAL); 502 } 503 vd = vw->vw_device; 504 curvw = vd->vd_curwindow; 505 506 /* Check if virtual terminal is locked */ 507 if (curvw->vw_flags & VWF_VTYLOCK) 508 return (EBUSY); 509 510 /* Check if switch already in progress */ 511 if (curvw->vw_flags & VWF_SWWAIT_REL) { 512 /* Check if switching to same window */ 513 if (curvw->vw_switch_to == vw) { 514 DPRINTF(30, "%s: Switch in progress to same vw.", __func__); 515 return (0); /* success */ 516 } 517 DPRINTF(30, "%s: Switch in progress to different vw.", __func__); 518 return (EBUSY); 519 } 520 521 /* Avoid switching to already selected window */ 522 if (vw == curvw) { 523 DPRINTF(30, "%s: Cannot switch: vw == curvw.", __func__); 524 return (0); /* success */ 525 } 526 527 /* 528 * Early check for an attempt to switch to a non-functional VT. 529 * The same check is done in vt_window_switch(), but it's better 530 * to fail as early as possible to avoid needless pre-switch 531 * actions. 532 */ 533 VT_LOCK(vd); 534 if ((vw->vw_flags & (VWF_OPENED|VWF_CONSOLE)) == 0) { 535 VT_UNLOCK(vd); 536 return (EINVAL); 537 } 538 VT_UNLOCK(vd); 539 540 /* Ask current process permission to switch away. */ 541 if (curvw->vw_smode.mode == VT_PROCESS) { 542 DPRINTF(30, "%s: VT_PROCESS ", __func__); 543 if (vt_proc_alive(curvw) == FALSE) { 544 DPRINTF(30, "Dead. Cleaning."); 545 /* Dead */ 546 } else { 547 DPRINTF(30, "%s: Signaling process.\n", __func__); 548 /* Alive, try to ask him. */ 549 ret = vt_window_preswitch(vw, curvw); 550 /* Wait for process answer or timeout. */ 551 return (ret); 552 } 553 DPRINTF(30, "\n"); 554 } 555 556 ret = vt_late_window_switch(vw); 557 return (ret); 558 } 559 560 /* Switch window ignoring process locking. */ 561 static int 562 vt_window_switch(struct vt_window *vw) 563 { 564 struct vt_device *vd = vw->vw_device; 565 struct vt_window *curvw = vd->vd_curwindow; 566 keyboard_t *kbd; 567 568 if (inside_vt_window_switch && KERNEL_PANICKED()) 569 return (0); 570 571 inside_vt_window_switch = true; 572 573 if (kdb_active) { 574 /* 575 * When grabbing the console for the debugger, avoid 576 * locks as that can result in deadlock. While this 577 * could use try locks, that wouldn't really make a 578 * difference as there are sufficient barriers in 579 * debugger entry/exit to be equivalent to 580 * successfully try-locking here. 581 */ 582 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) { 583 inside_vt_window_switch = false; 584 return (EINVAL); 585 } 586 587 vd->vd_curwindow = vw; 588 vd->vd_flags |= VDF_INVALID; 589 if (vd->vd_driver->vd_postswitch) 590 vd->vd_driver->vd_postswitch(vd); 591 inside_vt_window_switch = false; 592 return (0); 593 } 594 595 VT_LOCK(vd); 596 if (curvw == vw) { 597 /* 598 * Nothing to do, except ensure the driver has the opportunity to 599 * switch to console mode when panicking, making sure the panic 600 * is readable (even when a GUI was using ttyv0). 601 */ 602 if ((kdb_active || KERNEL_PANICKED()) && 603 vd->vd_driver->vd_postswitch) 604 vd->vd_driver->vd_postswitch(vd); 605 inside_vt_window_switch = false; 606 VT_UNLOCK(vd); 607 return (0); 608 } 609 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) { 610 inside_vt_window_switch = false; 611 VT_UNLOCK(vd); 612 return (EINVAL); 613 } 614 615 vt_suspend_flush_timer(vd); 616 617 vd->vd_curwindow = vw; 618 vd->vd_flags |= VDF_INVALID; 619 cv_broadcast(&vd->vd_winswitch); 620 VT_UNLOCK(vd); 621 622 if (vd->vd_driver->vd_postswitch) 623 vd->vd_driver->vd_postswitch(vd); 624 625 vt_resume_flush_timer(vw, 0); 626 627 /* Restore per-window keyboard mode. */ 628 mtx_lock(&Giant); 629 if ((kbd = vd->vd_keyboard) != NULL) { 630 if (curvw->vw_kbdmode == K_XLATE) 631 vt_save_kbd_state(curvw, kbd); 632 633 vt_update_kbd_mode(vw, kbd); 634 vt_update_kbd_state(vw, kbd); 635 } 636 mtx_unlock(&Giant); 637 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number); 638 639 inside_vt_window_switch = false; 640 return (0); 641 } 642 643 void 644 vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size) 645 { 646 647 size->tp_row = vd->vd_height; 648 if (vt_draw_logo_cpus) 649 size->tp_row -= vt_logo_sprite_height; 650 size->tp_col = vd->vd_width; 651 if (vf != NULL) { 652 size->tp_row = MIN(size->tp_row / vf->vf_height, 653 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 654 size->tp_col = MIN(size->tp_col / vf->vf_width, 655 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 656 } 657 } 658 659 static inline void 660 vt_termrect(struct vt_device *vd, struct vt_font *vf, term_rect_t *rect) 661 { 662 663 rect->tr_begin.tp_row = rect->tr_begin.tp_col = 0; 664 if (vt_draw_logo_cpus) 665 rect->tr_begin.tp_row = vt_logo_sprite_height; 666 667 rect->tr_end.tp_row = vd->vd_height; 668 rect->tr_end.tp_col = vd->vd_width; 669 670 if (vf != NULL) { 671 rect->tr_begin.tp_row = 672 howmany(rect->tr_begin.tp_row, vf->vf_height); 673 674 rect->tr_end.tp_row = MIN(rect->tr_end.tp_row / vf->vf_height, 675 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 676 rect->tr_end.tp_col = MIN(rect->tr_end.tp_col / vf->vf_width, 677 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 678 } 679 } 680 681 void 682 vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size) 683 { 684 685 size->ws_ypixel = vd->vd_height; 686 if (vt_draw_logo_cpus) 687 size->ws_ypixel -= vt_logo_sprite_height; 688 size->ws_row = size->ws_ypixel; 689 size->ws_col = size->ws_xpixel = vd->vd_width; 690 if (vf != NULL) { 691 size->ws_row = MIN(size->ws_row / vf->vf_height, 692 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 693 size->ws_col = MIN(size->ws_col / vf->vf_width, 694 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 695 } 696 } 697 698 void 699 vt_compute_drawable_area(struct vt_window *vw) 700 { 701 struct vt_device *vd; 702 struct vt_font *vf; 703 vt_axis_t height; 704 705 vd = vw->vw_device; 706 707 if (vw->vw_font == NULL) { 708 vw->vw_draw_area.tr_begin.tp_col = 0; 709 vw->vw_draw_area.tr_begin.tp_row = 0; 710 if (vt_draw_logo_cpus) 711 vw->vw_draw_area.tr_begin.tp_row = vt_logo_sprite_height; 712 vw->vw_draw_area.tr_end.tp_col = vd->vd_width; 713 vw->vw_draw_area.tr_end.tp_row = vd->vd_height; 714 return; 715 } 716 717 vf = vw->vw_font; 718 719 /* 720 * Compute the drawable area, so that the text is centered on 721 * the screen. 722 */ 723 724 height = vd->vd_height; 725 if (vt_draw_logo_cpus) 726 height -= vt_logo_sprite_height; 727 vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2; 728 vw->vw_draw_area.tr_begin.tp_row = (height % vf->vf_height) / 2; 729 if (vt_draw_logo_cpus) 730 vw->vw_draw_area.tr_begin.tp_row += vt_logo_sprite_height; 731 vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col + 732 rounddown(vd->vd_width, vf->vf_width); 733 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row + 734 rounddown(height, vf->vf_height); 735 } 736 737 static void 738 vt_scroll(struct vt_window *vw, int offset, int whence) 739 { 740 int diff; 741 term_pos_t size; 742 743 if ((vw->vw_flags & VWF_SCROLL) == 0) 744 return; 745 746 vt_termsize(vw->vw_device, vw->vw_font, &size); 747 748 diff = vthistory_seek(&vw->vw_buf, offset, whence); 749 if (diff) 750 vw->vw_device->vd_flags |= VDF_INVALID; 751 vt_resume_flush_timer(vw, 0); 752 } 753 754 static int 755 vt_machine_kbdevent(struct vt_device *vd, int c) 756 { 757 758 switch (c) { 759 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */ 760 if (vt_kbd_debug) { 761 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger"); 762 #if VT_ALT_TO_ESC_HACK 763 /* 764 * There's an unfortunate conflict between SPCLKEY|DBG 765 * and VT_ALT_TO_ESC_HACK. Just assume they didn't mean 766 * it if we got to here. 767 */ 768 vd->vd_kbstate &= ~ALKED; 769 #endif 770 } 771 return (1); 772 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */ 773 if (vt_kbd_halt) 774 shutdown_nice(RB_HALT); 775 return (1); 776 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */ 777 #ifndef SC_NO_CUTPASTE 778 /* Insert text from cut-paste buffer. */ 779 vt_mouse_paste(); 780 #endif 781 break; 782 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */ 783 if (vt_kbd_poweroff) 784 shutdown_nice(RB_HALT|RB_POWEROFF); 785 return (1); 786 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */ 787 /* 788 * Request to immediate panic if sysctl 789 * kern.vt.enable_panic_key allow it. 790 */ 791 if (vt_kbd_panic) 792 panic("Forced by the panic key"); 793 return (1); 794 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */ 795 if (vt_kbd_reboot) 796 shutdown_nice(RB_AUTOBOOT); 797 return (1); 798 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */ 799 /* Force activatation/deactivation of the screen saver. */ 800 /* TODO */ 801 return (1); 802 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */ 803 /* Put machine into Stand-By mode. */ 804 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 805 return (1); 806 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */ 807 /* Suspend machine. */ 808 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 809 return (1); 810 } 811 812 return (0); 813 } 814 815 static void 816 vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console) 817 { 818 struct vt_device *vd; 819 term_pos_t size; 820 821 vd = vw->vw_device; 822 /* Only special keys handled in ScrollLock mode */ 823 if ((c & SPCLKEY) == 0) 824 return; 825 826 c &= ~SPCLKEY; 827 828 if (console == 0) { 829 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 830 vw = vd->vd_windows[c - F_SCR]; 831 vt_proc_window_switch(vw); 832 return; 833 } 834 VT_LOCK(vd); 835 } 836 837 switch (c) { 838 case SLK: { 839 /* Turn scrolling off. */ 840 vt_scroll(vw, 0, VHS_END); 841 VTBUF_SLCK_DISABLE(&vw->vw_buf); 842 vw->vw_flags &= ~VWF_SCROLL; 843 break; 844 } 845 case FKEY | F(49): /* Home key. */ 846 vt_scroll(vw, 0, VHS_SET); 847 break; 848 case FKEY | F(50): /* Arrow up. */ 849 vt_scroll(vw, -1, VHS_CUR); 850 break; 851 case FKEY | F(51): /* Page up. */ 852 vt_termsize(vd, vw->vw_font, &size); 853 vt_scroll(vw, -size.tp_row, VHS_CUR); 854 break; 855 case FKEY | F(57): /* End key. */ 856 vt_scroll(vw, 0, VHS_END); 857 break; 858 case FKEY | F(58): /* Arrow down. */ 859 vt_scroll(vw, 1, VHS_CUR); 860 break; 861 case FKEY | F(59): /* Page down. */ 862 vt_termsize(vd, vw->vw_font, &size); 863 vt_scroll(vw, size.tp_row, VHS_CUR); 864 break; 865 } 866 867 if (console == 0) 868 VT_UNLOCK(vd); 869 } 870 871 static int 872 vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c) 873 { 874 struct vt_window *vw = vd->vd_curwindow; 875 876 random_harvest_queue(&c, sizeof(c), RANDOM_KEYBOARD); 877 #if VT_ALT_TO_ESC_HACK 878 if (c & RELKEY) { 879 switch (c & ~RELKEY) { 880 case (SPCLKEY | RALT): 881 if (vt_enable_altgr != 0) 882 break; 883 case (SPCLKEY | LALT): 884 vd->vd_kbstate &= ~ALKED; 885 } 886 /* Other keys ignored for RELKEY event. */ 887 return (0); 888 } else { 889 switch (c & ~RELKEY) { 890 case (SPCLKEY | RALT): 891 if (vt_enable_altgr != 0) 892 break; 893 case (SPCLKEY | LALT): 894 vd->vd_kbstate |= ALKED; 895 } 896 } 897 #else 898 if (c & RELKEY) 899 /* Other keys ignored for RELKEY event. */ 900 return (0); 901 #endif 902 903 if (vt_machine_kbdevent(vd, c)) 904 return (0); 905 906 if (vw->vw_flags & VWF_SCROLL) { 907 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */); 908 /* Scroll mode keys handled, nothing to do more. */ 909 return (0); 910 } 911 912 if (c & SPCLKEY) { 913 c &= ~SPCLKEY; 914 915 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 916 vw = vd->vd_windows[c - F_SCR]; 917 vt_proc_window_switch(vw); 918 return (0); 919 } 920 921 switch (c) { 922 case NEXT: 923 /* Switch to next VT. */ 924 c = (vw->vw_number + 1) % VT_MAXWINDOWS; 925 vw = vd->vd_windows[c]; 926 vt_proc_window_switch(vw); 927 return (0); 928 case PREV: 929 /* Switch to previous VT. */ 930 c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS; 931 vw = vd->vd_windows[c]; 932 vt_proc_window_switch(vw); 933 return (0); 934 case SLK: { 935 vt_save_kbd_state(vw, kbd); 936 VT_LOCK(vd); 937 if (vw->vw_kbdstate & SLKED) { 938 /* Turn scrolling on. */ 939 vw->vw_flags |= VWF_SCROLL; 940 VTBUF_SLCK_ENABLE(&vw->vw_buf); 941 } else { 942 /* Turn scrolling off. */ 943 vw->vw_flags &= ~VWF_SCROLL; 944 VTBUF_SLCK_DISABLE(&vw->vw_buf); 945 vt_scroll(vw, 0, VHS_END); 946 } 947 VT_UNLOCK(vd); 948 break; 949 } 950 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3): 951 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6): 952 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9): 953 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12): 954 /* F1 through F12 keys. */ 955 terminal_input_special(vw->vw_terminal, 956 TKEY_F1 + c - (FKEY | F(1))); 957 break; 958 case FKEY | F(49): /* Home key. */ 959 terminal_input_special(vw->vw_terminal, TKEY_HOME); 960 break; 961 case FKEY | F(50): /* Arrow up. */ 962 terminal_input_special(vw->vw_terminal, TKEY_UP); 963 break; 964 case FKEY | F(51): /* Page up. */ 965 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP); 966 break; 967 case FKEY | F(53): /* Arrow left. */ 968 terminal_input_special(vw->vw_terminal, TKEY_LEFT); 969 break; 970 case FKEY | F(55): /* Arrow right. */ 971 terminal_input_special(vw->vw_terminal, TKEY_RIGHT); 972 break; 973 case FKEY | F(57): /* End key. */ 974 terminal_input_special(vw->vw_terminal, TKEY_END); 975 break; 976 case FKEY | F(58): /* Arrow down. */ 977 terminal_input_special(vw->vw_terminal, TKEY_DOWN); 978 break; 979 case FKEY | F(59): /* Page down. */ 980 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN); 981 break; 982 case FKEY | F(60): /* Insert key. */ 983 terminal_input_special(vw->vw_terminal, TKEY_INSERT); 984 break; 985 case FKEY | F(61): /* Delete key. */ 986 terminal_input_special(vw->vw_terminal, TKEY_DELETE); 987 break; 988 } 989 } else if (KEYFLAGS(c) == 0) { 990 /* Don't do UTF-8 conversion when doing raw mode. */ 991 if (vw->vw_kbdmode == K_XLATE) { 992 #if VT_ALT_TO_ESC_HACK 993 if (vd->vd_kbstate & ALKED) { 994 /* 995 * Prepend ESC sequence if one of ALT keys down. 996 */ 997 terminal_input_char(vw->vw_terminal, 0x1b); 998 } 999 #endif 1000 #if defined(KDB) 1001 kdb_alt_break(c, &vd->vd_altbrk); 1002 #endif 1003 terminal_input_char(vw->vw_terminal, KEYCHAR(c)); 1004 } else 1005 terminal_input_raw(vw->vw_terminal, c); 1006 } 1007 return (0); 1008 } 1009 1010 static int 1011 vt_kbdevent(keyboard_t *kbd, int event, void *arg) 1012 { 1013 struct vt_device *vd = arg; 1014 int c; 1015 1016 switch (event) { 1017 case KBDIO_KEYINPUT: 1018 break; 1019 case KBDIO_UNLOADING: 1020 mtx_lock(&Giant); 1021 vd->vd_keyboard = NULL; 1022 kbd_release(kbd, (void *)vd); 1023 mtx_unlock(&Giant); 1024 return (0); 1025 default: 1026 return (EINVAL); 1027 } 1028 1029 while ((c = kbdd_read_char(kbd, 0)) != NOKEY) 1030 vt_processkey(kbd, vd, c); 1031 1032 return (0); 1033 } 1034 1035 static int 1036 vt_allocate_keyboard(struct vt_device *vd) 1037 { 1038 int grabbed, i, idx0, idx; 1039 keyboard_t *k0, *k; 1040 keyboard_info_t ki; 1041 1042 /* 1043 * If vt_upgrade() happens while the console is grabbed, we are 1044 * potentially going to switch keyboard devices while the keyboard is in 1045 * use. Unwind the grabbing of the current keyboard first, then we will 1046 * re-grab the new keyboard below, before we return. 1047 */ 1048 if (vd->vd_curwindow == &vt_conswindow) { 1049 grabbed = vd->vd_curwindow->vw_grabbed; 1050 for (i = 0; i < grabbed; ++i) 1051 vtterm_cnungrab_noswitch(vd, vd->vd_curwindow); 1052 } 1053 1054 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd); 1055 if (idx0 >= 0) { 1056 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0); 1057 k0 = kbd_get_keyboard(idx0); 1058 1059 for (idx = kbd_find_keyboard2("*", -1, 0); 1060 idx != -1; 1061 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 1062 k = kbd_get_keyboard(idx); 1063 1064 if (idx == idx0 || KBD_IS_BUSY(k)) 1065 continue; 1066 1067 bzero(&ki, sizeof(ki)); 1068 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name)); 1069 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0'; 1070 ki.kb_unit = k->kb_unit; 1071 1072 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 1073 } 1074 } else { 1075 DPRINTF(20, "%s: no kbdmux allocated\n", __func__); 1076 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd); 1077 if (idx0 < 0) { 1078 DPRINTF(10, "%s: No keyboard found.\n", __func__); 1079 return (-1); 1080 } 1081 k0 = kbd_get_keyboard(idx0); 1082 } 1083 vd->vd_keyboard = k0; 1084 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, 1085 vd->vd_keyboard->kb_index); 1086 1087 if (vd->vd_curwindow == &vt_conswindow) { 1088 for (i = 0; i < grabbed; ++i) 1089 vtterm_cngrab_noswitch(vd, vd->vd_curwindow); 1090 } 1091 1092 return (idx0); 1093 } 1094 1095 #define DEVCTL_LEN 64 1096 static void 1097 vtterm_devctl(bool enabled, bool hushed, int hz, sbintime_t duration) 1098 { 1099 struct sbuf sb; 1100 char *buf; 1101 1102 buf = malloc(DEVCTL_LEN, M_VT, M_NOWAIT); 1103 if (buf == NULL) 1104 return; 1105 sbuf_new(&sb, buf, DEVCTL_LEN, SBUF_FIXEDLEN); 1106 sbuf_printf(&sb, "enabled=%s hushed=%s hz=%d duration_ms=%d", 1107 enabled ? "true" : "false", hushed ? "true" : "false", 1108 hz, (int)(duration / SBT_1MS)); 1109 sbuf_finish(&sb); 1110 if (sbuf_error(&sb) == 0) 1111 devctl_notify("VT", "BELL", "RING", sbuf_data(&sb)); 1112 sbuf_delete(&sb); 1113 free(buf, M_VT); 1114 } 1115 1116 static void 1117 vtterm_bell(struct terminal *tm) 1118 { 1119 struct vt_window *vw = tm->tm_softc; 1120 struct vt_device *vd = vw->vw_device; 1121 1122 vtterm_devctl(vt_enable_bell, vd->vd_flags & VDF_QUIET_BELL, 1123 vw->vw_bell_pitch, vw->vw_bell_duration); 1124 1125 if (!vt_enable_bell) 1126 return; 1127 1128 if (vd->vd_flags & VDF_QUIET_BELL) 1129 return; 1130 1131 if (vw->vw_bell_pitch == 0 || 1132 vw->vw_bell_duration == 0) 1133 return; 1134 1135 sysbeep(vw->vw_bell_pitch, vw->vw_bell_duration); 1136 } 1137 1138 static void 1139 vtterm_beep(struct terminal *tm, u_int param) 1140 { 1141 u_int freq; 1142 sbintime_t period; 1143 struct vt_window *vw = tm->tm_softc; 1144 struct vt_device *vd = vw->vw_device; 1145 1146 if ((param == 0) || ((param & 0xffff) == 0)) { 1147 vtterm_bell(tm); 1148 return; 1149 } 1150 1151 period = ((param >> 16) & 0xffff) * SBT_1MS; 1152 freq = 1193182 / (param & 0xffff); 1153 1154 vtterm_devctl(vt_enable_bell, vd->vd_flags & VDF_QUIET_BELL, 1155 freq, period); 1156 1157 if (!vt_enable_bell) 1158 return; 1159 1160 sysbeep(freq, period); 1161 } 1162 1163 static void 1164 vtterm_cursor(struct terminal *tm, const term_pos_t *p) 1165 { 1166 struct vt_window *vw = tm->tm_softc; 1167 1168 vtbuf_cursor_position(&vw->vw_buf, p); 1169 } 1170 1171 static void 1172 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c) 1173 { 1174 struct vt_window *vw = tm->tm_softc; 1175 1176 vtbuf_putchar(&vw->vw_buf, p, c); 1177 } 1178 1179 static void 1180 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c) 1181 { 1182 struct vt_window *vw = tm->tm_softc; 1183 1184 vtbuf_fill(&vw->vw_buf, r, c); 1185 } 1186 1187 static void 1188 vtterm_copy(struct terminal *tm, const term_rect_t *r, 1189 const term_pos_t *p) 1190 { 1191 struct vt_window *vw = tm->tm_softc; 1192 1193 vtbuf_copy(&vw->vw_buf, r, p); 1194 } 1195 1196 static void 1197 vtterm_param(struct terminal *tm, int cmd, unsigned int arg) 1198 { 1199 struct vt_window *vw = tm->tm_softc; 1200 1201 switch (cmd) { 1202 case TP_SETLOCALCURSOR: 1203 /* 1204 * 0 means normal (usually block), 1 means hidden, and 1205 * 2 means blinking (always block) for compatibility with 1206 * syscons. We don't support any changes except hiding, 1207 * so must map 2 to 0. 1208 */ 1209 arg = (arg == 1) ? 0 : 1; 1210 /* FALLTHROUGH */ 1211 case TP_SHOWCURSOR: 1212 vtbuf_cursor_visibility(&vw->vw_buf, arg); 1213 vt_resume_flush_timer(vw, 0); 1214 break; 1215 case TP_MOUSE: 1216 vw->vw_mouse_level = arg; 1217 break; 1218 case TP_SETBELLPD: 1219 vw->vw_bell_pitch = TP_SETBELLPD_PITCH(arg); 1220 vw->vw_bell_duration = 1221 TICKS_2_MSEC(TP_SETBELLPD_DURATION(arg)) * SBT_1MS; 1222 break; 1223 } 1224 } 1225 1226 void 1227 vt_determine_colors(term_char_t c, int cursor, 1228 term_color_t *fg, term_color_t *bg) 1229 { 1230 term_color_t tmp; 1231 int invert; 1232 1233 invert = 0; 1234 1235 *fg = TCHAR_FGCOLOR(c); 1236 if (TCHAR_FORMAT(c) & TF_BOLD) 1237 *fg = TCOLOR_LIGHT(*fg); 1238 *bg = TCHAR_BGCOLOR(c); 1239 if (TCHAR_FORMAT(c) & TF_BLINK) 1240 *bg = TCOLOR_LIGHT(*bg); 1241 1242 if (TCHAR_FORMAT(c) & TF_REVERSE) 1243 invert ^= 1; 1244 if (cursor) 1245 invert ^= 1; 1246 1247 if (invert) { 1248 tmp = *fg; 1249 *fg = *bg; 1250 *bg = tmp; 1251 } 1252 } 1253 1254 #ifndef SC_NO_CUTPASTE 1255 int 1256 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area) 1257 { 1258 unsigned int mx, my; 1259 1260 /* 1261 * We use the cursor position saved during the current refresh, 1262 * in case the cursor moved since. 1263 */ 1264 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col; 1265 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row; 1266 1267 if (mx >= area->tr_end.tp_col || 1268 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col || 1269 my >= area->tr_end.tp_row || 1270 my + vd->vd_mcursor->height <= area->tr_begin.tp_row) 1271 return (0); 1272 return (1); 1273 } 1274 1275 static void 1276 vt_mark_mouse_position_as_dirty(struct vt_device *vd, int locked) 1277 { 1278 term_rect_t area; 1279 struct vt_window *vw; 1280 struct vt_font *vf; 1281 int x, y; 1282 1283 vw = vd->vd_curwindow; 1284 vf = vw->vw_font; 1285 1286 x = vd->vd_mx_drawn; 1287 y = vd->vd_my_drawn; 1288 1289 if (vf != NULL) { 1290 area.tr_begin.tp_col = x / vf->vf_width; 1291 area.tr_begin.tp_row = y / vf->vf_height; 1292 area.tr_end.tp_col = 1293 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1; 1294 area.tr_end.tp_row = 1295 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1; 1296 } else { 1297 /* 1298 * No font loaded (ie. vt_vga operating in textmode). 1299 * 1300 * FIXME: This fake area needs to be revisited once the 1301 * mouse cursor is supported in vt_vga's textmode. 1302 */ 1303 area.tr_begin.tp_col = x; 1304 area.tr_begin.tp_row = y; 1305 area.tr_end.tp_col = x + 2; 1306 area.tr_end.tp_row = y + 2; 1307 } 1308 1309 if (!locked) 1310 vtbuf_lock(&vw->vw_buf); 1311 if (vd->vd_driver->vd_invalidate_text) 1312 vd->vd_driver->vd_invalidate_text(vd, &area); 1313 vtbuf_dirty(&vw->vw_buf, &area); 1314 if (!locked) 1315 vtbuf_unlock(&vw->vw_buf); 1316 } 1317 #endif 1318 1319 static void 1320 vt_set_border(struct vt_device *vd, const term_rect_t *area, 1321 term_color_t c) 1322 { 1323 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect; 1324 1325 if (drawrect == NULL) 1326 return; 1327 1328 /* Top bar */ 1329 if (area->tr_begin.tp_row > 0) 1330 drawrect(vd, 0, 0, vd->vd_width - 1, 1331 area->tr_begin.tp_row - 1, 1, c); 1332 1333 /* Left bar */ 1334 if (area->tr_begin.tp_col > 0) 1335 drawrect(vd, 0, area->tr_begin.tp_row, 1336 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c); 1337 1338 /* Right bar */ 1339 if (area->tr_end.tp_col < vd->vd_width) 1340 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row, 1341 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c); 1342 1343 /* Bottom bar */ 1344 if (area->tr_end.tp_row < vd->vd_height) 1345 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1, 1346 vd->vd_height - 1, 1, c); 1347 } 1348 1349 static void 1350 vt_flush_to_buffer(struct vt_device *vd, 1351 const struct vt_window *vw, const term_rect_t *area) 1352 { 1353 unsigned int col, row; 1354 term_char_t c; 1355 term_color_t fg, bg; 1356 size_t z; 1357 1358 for (row = area->tr_begin.tp_row; row < area->tr_end.tp_row; ++row) { 1359 for (col = area->tr_begin.tp_col; col < area->tr_end.tp_col; 1360 ++col) { 1361 z = row * PIXEL_WIDTH(VT_FB_MAX_WIDTH) + col; 1362 if (z >= PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * 1363 PIXEL_WIDTH(VT_FB_MAX_WIDTH)) 1364 continue; 1365 1366 c = VTBUF_GET_FIELD(&vw->vw_buf, row, col); 1367 vt_determine_colors(c, 1368 VTBUF_ISCURSOR(&vw->vw_buf, row, col), &fg, &bg); 1369 1370 if (vd->vd_drawn && (vd->vd_drawn[z] == c) && 1371 vd->vd_drawnfg && (vd->vd_drawnfg[z] == fg) && 1372 vd->vd_drawnbg && (vd->vd_drawnbg[z] == bg)) { 1373 vd->vd_pos_to_flush[z] = false; 1374 continue; 1375 } 1376 1377 vd->vd_pos_to_flush[z] = true; 1378 1379 if (vd->vd_drawn) 1380 vd->vd_drawn[z] = c; 1381 if (vd->vd_drawnfg) 1382 vd->vd_drawnfg[z] = fg; 1383 if (vd->vd_drawnbg) 1384 vd->vd_drawnbg[z] = bg; 1385 } 1386 } 1387 } 1388 1389 static void 1390 vt_bitblt_buffer(struct vt_device *vd, const struct vt_window *vw, 1391 const term_rect_t *area) 1392 { 1393 unsigned int col, row, x, y; 1394 struct vt_font *vf; 1395 term_char_t c; 1396 term_color_t fg, bg; 1397 const uint8_t *pattern; 1398 size_t z; 1399 1400 vf = vw->vw_font; 1401 1402 for (row = area->tr_begin.tp_row; row < area->tr_end.tp_row; ++row) { 1403 for (col = area->tr_begin.tp_col; col < area->tr_end.tp_col; 1404 ++col) { 1405 x = col * vf->vf_width + 1406 vw->vw_draw_area.tr_begin.tp_col; 1407 y = row * vf->vf_height + 1408 vw->vw_draw_area.tr_begin.tp_row; 1409 1410 z = row * PIXEL_WIDTH(VT_FB_MAX_WIDTH) + col; 1411 if (z >= PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * 1412 PIXEL_WIDTH(VT_FB_MAX_WIDTH)) 1413 continue; 1414 if (!vd->vd_pos_to_flush[z]) 1415 continue; 1416 1417 c = vd->vd_drawn[z]; 1418 fg = vd->vd_drawnfg[z]; 1419 bg = vd->vd_drawnbg[z]; 1420 1421 pattern = vtfont_lookup(vf, c); 1422 vd->vd_driver->vd_bitblt_bmp(vd, vw, 1423 pattern, NULL, vf->vf_width, vf->vf_height, 1424 x, y, fg, bg); 1425 } 1426 } 1427 1428 #ifndef SC_NO_CUTPASTE 1429 if (!vd->vd_mshown) 1430 return; 1431 1432 term_rect_t drawn_area; 1433 1434 drawn_area.tr_begin.tp_col = area->tr_begin.tp_col * vf->vf_width; 1435 drawn_area.tr_begin.tp_row = area->tr_begin.tp_row * vf->vf_height; 1436 drawn_area.tr_end.tp_col = area->tr_end.tp_col * vf->vf_width; 1437 drawn_area.tr_end.tp_row = area->tr_end.tp_row * vf->vf_height; 1438 1439 if (vt_is_cursor_in_area(vd, &drawn_area)) { 1440 vd->vd_driver->vd_bitblt_bmp(vd, vw, 1441 vd->vd_mcursor->map, vd->vd_mcursor->mask, 1442 vd->vd_mcursor->width, vd->vd_mcursor->height, 1443 vd->vd_mx_drawn + vw->vw_draw_area.tr_begin.tp_col, 1444 vd->vd_my_drawn + vw->vw_draw_area.tr_begin.tp_row, 1445 vd->vd_mcursor_fg, vd->vd_mcursor_bg); 1446 } 1447 #endif 1448 } 1449 1450 static void 1451 vt_draw_decorations(struct vt_device *vd) 1452 { 1453 struct vt_window *vw; 1454 const teken_attr_t *a; 1455 1456 vw = vd->vd_curwindow; 1457 1458 a = teken_get_curattr(&vw->vw_terminal->tm_emulator); 1459 vt_set_border(vd, &vw->vw_draw_area, a->ta_bgcolor); 1460 1461 if (vt_draw_logo_cpus) 1462 vtterm_draw_cpu_logos(vd); 1463 } 1464 1465 static int 1466 vt_flush(struct vt_device *vd) 1467 { 1468 struct vt_window *vw; 1469 struct vt_font *vf; 1470 term_rect_t tarea; 1471 #ifndef SC_NO_CUTPASTE 1472 int cursor_was_shown, cursor_moved; 1473 #endif 1474 bool needs_refresh; 1475 1476 if (inside_vt_flush && KERNEL_PANICKED()) 1477 return (0); 1478 1479 vw = vd->vd_curwindow; 1480 if (vw == NULL) 1481 return (0); 1482 1483 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY) 1484 return (0); 1485 1486 vf = vw->vw_font; 1487 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL)) 1488 return (0); 1489 1490 VT_FLUSH_LOCK(vd); 1491 1492 vtbuf_lock(&vw->vw_buf); 1493 inside_vt_flush = true; 1494 1495 #ifndef SC_NO_CUTPASTE 1496 cursor_was_shown = vd->vd_mshown; 1497 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn || 1498 vd->vd_my != vd->vd_my_drawn); 1499 1500 /* Check if the cursor should be displayed or not. */ 1501 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */ 1502 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */ 1503 !kdb_active && !KERNEL_PANICKED()) { /* DDB inactive. */ 1504 vd->vd_mshown = 1; 1505 } else { 1506 vd->vd_mshown = 0; 1507 } 1508 1509 /* 1510 * If the cursor changed display state or moved, we must mark 1511 * the old position as dirty, so that it's erased. 1512 */ 1513 if (cursor_was_shown != vd->vd_mshown || 1514 (vd->vd_mshown && cursor_moved)) 1515 vt_mark_mouse_position_as_dirty(vd, true); 1516 1517 /* 1518 * Save position of the mouse cursor. It's used by backends to 1519 * know where to draw the cursor and during the next refresh to 1520 * erase the previous position. 1521 */ 1522 vd->vd_mx_drawn = vd->vd_mx; 1523 vd->vd_my_drawn = vd->vd_my; 1524 1525 /* 1526 * If the cursor is displayed and has moved since last refresh, 1527 * mark the new position as dirty. 1528 */ 1529 if (vd->vd_mshown && cursor_moved) 1530 vt_mark_mouse_position_as_dirty(vd, true); 1531 #endif 1532 1533 vtbuf_undirty(&vw->vw_buf, &tarea); 1534 1535 /* Force a full redraw when the screen contents might be invalid. */ 1536 needs_refresh = false; 1537 if (vd->vd_flags & (VDF_INVALID | VDF_SUSPENDED)) { 1538 needs_refresh = true; 1539 vd->vd_flags &= ~VDF_INVALID; 1540 1541 vt_termrect(vd, vf, &tarea); 1542 if (vd->vd_driver->vd_invalidate_text) 1543 vd->vd_driver->vd_invalidate_text(vd, &tarea); 1544 } 1545 1546 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) { 1547 if (vd->vd_driver->vd_bitblt_after_vtbuf_unlock) { 1548 /* 1549 * When `vd_bitblt_after_vtbuf_unlock` is set to true, 1550 * we first remember the characters to redraw. They are 1551 * already copied to the `vd_drawn` arrays. 1552 * 1553 * We then unlock vt_buf and proceed with the actual 1554 * drawing using the backend driver. 1555 */ 1556 vt_flush_to_buffer(vd, vw, &tarea); 1557 vtbuf_unlock(&vw->vw_buf); 1558 vt_bitblt_buffer(vd, vw, &tarea); 1559 1560 if (needs_refresh) 1561 vt_draw_decorations(vd); 1562 1563 /* 1564 * We can reset `inside_vt_flush` after unlocking vtbuf 1565 * here because we also hold vt_flush_lock in this code 1566 * path. 1567 */ 1568 inside_vt_flush = false; 1569 } else { 1570 /* 1571 * When `vd_bitblt_after_vtbuf_unlock` is false, we use 1572 * the backend's `vd_bitblt_text` callback directly. 1573 */ 1574 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea); 1575 1576 if (needs_refresh) 1577 vt_draw_decorations(vd); 1578 1579 inside_vt_flush = false; 1580 vtbuf_unlock(&vw->vw_buf); 1581 } 1582 1583 VT_FLUSH_UNLOCK(vd); 1584 1585 return (1); 1586 } 1587 1588 inside_vt_flush = false; 1589 vtbuf_unlock(&vw->vw_buf); 1590 1591 VT_FLUSH_UNLOCK(vd); 1592 1593 return (0); 1594 } 1595 1596 static void 1597 vt_timer(void *arg) 1598 { 1599 struct vt_device *vd; 1600 int changed; 1601 1602 vd = arg; 1603 /* Update screen if required. */ 1604 changed = vt_flush(vd); 1605 1606 /* Schedule for next update. */ 1607 if (changed) 1608 vt_schedule_flush(vd, 0); 1609 else 1610 vd->vd_timer_armed = 0; 1611 } 1612 1613 static void 1614 vtterm_pre_input(struct terminal *tm) 1615 { 1616 struct vt_window *vw = tm->tm_softc; 1617 1618 if (inside_vt_flush && KERNEL_PANICKED()) 1619 return; 1620 1621 vtbuf_lock(&vw->vw_buf); 1622 } 1623 1624 static void 1625 vtterm_post_input(struct terminal *tm) 1626 { 1627 struct vt_window *vw = tm->tm_softc; 1628 1629 if (inside_vt_flush && KERNEL_PANICKED()) 1630 return; 1631 1632 vtbuf_unlock(&vw->vw_buf); 1633 vt_resume_flush_timer(vw, 0); 1634 } 1635 1636 static void 1637 vtterm_done(struct terminal *tm) 1638 { 1639 struct vt_window *vw = tm->tm_softc; 1640 struct vt_device *vd = vw->vw_device; 1641 1642 if (kdb_active || KERNEL_PANICKED()) { 1643 /* Switch to the debugger. */ 1644 if (vd->vd_curwindow != vw) { 1645 vd->vd_curwindow = vw; 1646 vd->vd_flags |= VDF_INVALID; 1647 if (vd->vd_driver->vd_postswitch) 1648 vd->vd_driver->vd_postswitch(vd); 1649 } 1650 vd->vd_flags &= ~VDF_SPLASH; 1651 vt_flush(vd); 1652 } else if (!(vd->vd_flags & VDF_ASYNC)) { 1653 vt_flush(vd); 1654 } 1655 } 1656 1657 #ifdef DEV_SPLASH 1658 static void 1659 vtterm_splash(struct vt_device *vd) 1660 { 1661 caddr_t kmdp; 1662 struct splash_info *si; 1663 uintptr_t image; 1664 vt_axis_t top, left; 1665 1666 kmdp = preload_search_by_type("elf kernel"); 1667 if (kmdp == NULL) 1668 kmdp = preload_search_by_type("elf64 kernel"); 1669 si = MD_FETCH(kmdp, MODINFOMD_SPLASH, struct splash_info *); 1670 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) { 1671 if (si == NULL) { 1672 top = (vd->vd_height - vt_logo_height) / 2; 1673 left = (vd->vd_width - vt_logo_width) / 2; 1674 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow, 1675 vt_logo_image, NULL, vt_logo_width, vt_logo_height, 1676 left, top, TC_WHITE, TC_BLACK); 1677 } else { 1678 if (si->si_depth != 4) 1679 return; 1680 image = (uintptr_t)si + sizeof(struct splash_info); 1681 image = roundup2(image, 8); 1682 top = (vd->vd_height - si->si_height) / 2; 1683 left = (vd->vd_width - si->si_width) / 2; 1684 vd->vd_driver->vd_bitblt_argb(vd, vd->vd_curwindow, 1685 (unsigned char *)image, si->si_width, si->si_height, 1686 left, top); 1687 } 1688 vd->vd_flags |= VDF_SPLASH; 1689 } 1690 } 1691 #endif 1692 1693 static struct vt_font * 1694 parse_font_info_static(struct font_info *fi) 1695 { 1696 struct vt_font *vfp; 1697 uintptr_t ptr; 1698 uint32_t checksum; 1699 1700 if (fi == NULL) 1701 return (NULL); 1702 1703 ptr = (uintptr_t)fi; 1704 /* 1705 * Compute and verify checksum. The total sum of all the fields 1706 * must be 0. 1707 */ 1708 checksum = fi->fi_width; 1709 checksum += fi->fi_height; 1710 checksum += fi->fi_bitmap_size; 1711 for (unsigned i = 0; i < VFNT_MAPS; i++) 1712 checksum += fi->fi_map_count[i]; 1713 1714 if (checksum + fi->fi_checksum != 0) 1715 return (NULL); 1716 1717 ptr += sizeof(struct font_info); 1718 ptr = roundup2(ptr, 8); 1719 1720 vfp = &vt_font_loader; 1721 vfp->vf_height = fi->fi_height; 1722 vfp->vf_width = fi->fi_width; 1723 /* This is default font, set refcount 1 to disable removal. */ 1724 vfp->vf_refcount = 1; 1725 for (unsigned i = 0; i < VFNT_MAPS; i++) { 1726 if (fi->fi_map_count[i] == 0) 1727 continue; 1728 vfp->vf_map_count[i] = fi->fi_map_count[i]; 1729 vfp->vf_map[i] = (vfnt_map_t *)ptr; 1730 ptr += (fi->fi_map_count[i] * sizeof(vfnt_map_t)); 1731 ptr = roundup2(ptr, 8); 1732 } 1733 vfp->vf_bytes = (uint8_t *)ptr; 1734 return (vfp); 1735 } 1736 1737 /* 1738 * Set up default font with allocated data structures. 1739 * However, we can not set refcount here, because it is already set and 1740 * incremented in vtterm_cnprobe() to avoid being released by font load from 1741 * userland. 1742 */ 1743 static struct vt_font * 1744 parse_font_info(struct font_info *fi) 1745 { 1746 struct vt_font *vfp; 1747 uintptr_t ptr; 1748 uint32_t checksum; 1749 size_t size; 1750 1751 if (fi == NULL) 1752 return (NULL); 1753 1754 ptr = (uintptr_t)fi; 1755 /* 1756 * Compute and verify checksum. The total sum of all the fields 1757 * must be 0. 1758 */ 1759 checksum = fi->fi_width; 1760 checksum += fi->fi_height; 1761 checksum += fi->fi_bitmap_size; 1762 for (unsigned i = 0; i < VFNT_MAPS; i++) 1763 checksum += fi->fi_map_count[i]; 1764 1765 if (checksum + fi->fi_checksum != 0) 1766 return (NULL); 1767 1768 ptr += sizeof(struct font_info); 1769 ptr = roundup2(ptr, 8); 1770 1771 vfp = &vt_font_loader; 1772 vfp->vf_height = fi->fi_height; 1773 vfp->vf_width = fi->fi_width; 1774 for (unsigned i = 0; i < VFNT_MAPS; i++) { 1775 if (fi->fi_map_count[i] == 0) 1776 continue; 1777 vfp->vf_map_count[i] = fi->fi_map_count[i]; 1778 size = fi->fi_map_count[i] * sizeof(vfnt_map_t); 1779 vfp->vf_map[i] = malloc(size, M_VT, M_WAITOK | M_ZERO); 1780 bcopy((vfnt_map_t *)ptr, vfp->vf_map[i], size); 1781 ptr += size; 1782 ptr = roundup2(ptr, 8); 1783 } 1784 vfp->vf_bytes = malloc(fi->fi_bitmap_size, M_VT, M_WAITOK | M_ZERO); 1785 bcopy((uint8_t *)ptr, vfp->vf_bytes, fi->fi_bitmap_size); 1786 return (vfp); 1787 } 1788 1789 static void 1790 vt_init_font(void *arg) 1791 { 1792 caddr_t kmdp; 1793 struct font_info *fi; 1794 struct vt_font *font; 1795 1796 kmdp = preload_search_by_type("elf kernel"); 1797 if (kmdp == NULL) 1798 kmdp = preload_search_by_type("elf64 kernel"); 1799 fi = MD_FETCH(kmdp, MODINFOMD_FONT, struct font_info *); 1800 1801 font = parse_font_info(fi); 1802 if (font != NULL) 1803 vt_font_assigned = font; 1804 } 1805 1806 SYSINIT(vt_init_font, SI_SUB_KMEM, SI_ORDER_ANY, vt_init_font, &vt_consdev); 1807 1808 static void 1809 vt_init_font_static(void) 1810 { 1811 caddr_t kmdp; 1812 struct font_info *fi; 1813 struct vt_font *font; 1814 1815 kmdp = preload_search_by_type("elf kernel"); 1816 if (kmdp == NULL) 1817 kmdp = preload_search_by_type("elf64 kernel"); 1818 fi = MD_FETCH(kmdp, MODINFOMD_FONT, struct font_info *); 1819 1820 font = parse_font_info_static(fi); 1821 if (font != NULL) 1822 vt_font_assigned = font; 1823 } 1824 1825 static void 1826 vtterm_cnprobe(struct terminal *tm, struct consdev *cp) 1827 { 1828 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL; 1829 struct vt_window *vw = tm->tm_softc; 1830 struct vt_device *vd = vw->vw_device; 1831 struct winsize wsz; 1832 const term_attr_t *a; 1833 1834 if (!vty_enabled(VTY_VT)) 1835 return; 1836 1837 if (vd->vd_flags & VDF_INITIALIZED) 1838 /* Initialization already done. */ 1839 return; 1840 1841 SET_FOREACH(vtdlist, vt_drv_set) { 1842 vtd = *vtdlist; 1843 if (vtd->vd_probe == NULL) 1844 continue; 1845 if (vtd->vd_probe(vd) == CN_DEAD) 1846 continue; 1847 if ((vtdbest == NULL) || 1848 (vtd->vd_priority > vtdbest->vd_priority)) 1849 vtdbest = vtd; 1850 } 1851 if (vtdbest == NULL) { 1852 cp->cn_pri = CN_DEAD; 1853 vd->vd_flags |= VDF_DEAD; 1854 } else { 1855 vd->vd_driver = vtdbest; 1856 cp->cn_pri = vd->vd_driver->vd_init(vd); 1857 } 1858 1859 /* Check if driver's vt_init return CN_DEAD. */ 1860 if (cp->cn_pri == CN_DEAD) { 1861 vd->vd_flags |= VDF_DEAD; 1862 } 1863 1864 /* Initialize any early-boot keyboard drivers */ 1865 kbd_configure(KB_CONF_PROBE_ONLY); 1866 1867 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1); 1868 vd->vd_windows[VT_CONSWINDOW] = vw; 1869 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw)); 1870 1871 vt_init_font_static(); 1872 1873 /* Attach default font if not in TEXTMODE. */ 1874 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 1875 vw->vw_font = vtfont_ref(vt_font_assigned); 1876 vt_compute_drawable_area(vw); 1877 } 1878 1879 /* 1880 * The original screen size was faked (_VTDEFW x _VTDEFH). Now 1881 * that we have the real viewable size, fix it in the static 1882 * buffer. 1883 */ 1884 if (vd->vd_width != 0 && vd->vd_height != 0) 1885 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size); 1886 1887 /* We need to access terminal attributes from vtbuf */ 1888 vw->vw_buf.vb_terminal = tm; 1889 vtbuf_init_early(&vw->vw_buf); 1890 vt_winsize(vd, vw->vw_font, &wsz); 1891 a = teken_get_curattr(&tm->tm_emulator); 1892 terminal_set_winsize_blank(tm, &wsz, 1, a); 1893 1894 if (vtdbest != NULL) { 1895 #ifdef DEV_SPLASH 1896 if (!vt_splash_cpu) 1897 vtterm_splash(vd); 1898 #endif 1899 vd->vd_flags |= VDF_INITIALIZED; 1900 } 1901 } 1902 1903 static int 1904 vtterm_cngetc(struct terminal *tm) 1905 { 1906 struct vt_window *vw = tm->tm_softc; 1907 struct vt_device *vd = vw->vw_device; 1908 keyboard_t *kbd; 1909 u_int c; 1910 1911 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1912 return (*vw->vw_kbdsq++); 1913 1914 /* Make sure the splash screen is not there. */ 1915 if (vd->vd_flags & VDF_SPLASH) { 1916 /* Remove splash */ 1917 vd->vd_flags &= ~VDF_SPLASH; 1918 /* Mark screen as invalid to force update */ 1919 vd->vd_flags |= VDF_INVALID; 1920 vt_flush(vd); 1921 } 1922 1923 /* Stripped down keyboard handler. */ 1924 if ((kbd = vd->vd_keyboard) == NULL) 1925 return (-1); 1926 1927 /* Force keyboard input mode to K_XLATE */ 1928 vw->vw_kbdmode = K_XLATE; 1929 vt_update_kbd_mode(vw, kbd); 1930 1931 /* Switch the keyboard to polling to make it work here. */ 1932 kbdd_poll(kbd, TRUE); 1933 c = kbdd_read_char(kbd, 0); 1934 kbdd_poll(kbd, FALSE); 1935 if (c & RELKEY) 1936 return (-1); 1937 1938 if (vw->vw_flags & VWF_SCROLL) { 1939 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */); 1940 vt_flush(vd); 1941 return (-1); 1942 } 1943 1944 /* Stripped down handling of vt_kbdevent(), without locking, etc. */ 1945 if (c & SPCLKEY) { 1946 switch (c) { 1947 case SPCLKEY | SLK: 1948 vt_save_kbd_state(vw, kbd); 1949 if (vw->vw_kbdstate & SLKED) { 1950 /* Turn scrolling on. */ 1951 vw->vw_flags |= VWF_SCROLL; 1952 VTBUF_SLCK_ENABLE(&vw->vw_buf); 1953 } else { 1954 /* Turn scrolling off. */ 1955 vt_scroll(vw, 0, VHS_END); 1956 vw->vw_flags &= ~VWF_SCROLL; 1957 VTBUF_SLCK_DISABLE(&vw->vw_buf); 1958 } 1959 break; 1960 /* XXX: KDB can handle history. */ 1961 case SPCLKEY | FKEY | F(50): /* Arrow up. */ 1962 vw->vw_kbdsq = "\x1b[A"; 1963 break; 1964 case SPCLKEY | FKEY | F(58): /* Arrow down. */ 1965 vw->vw_kbdsq = "\x1b[B"; 1966 break; 1967 case SPCLKEY | FKEY | F(55): /* Arrow right. */ 1968 vw->vw_kbdsq = "\x1b[C"; 1969 break; 1970 case SPCLKEY | FKEY | F(53): /* Arrow left. */ 1971 vw->vw_kbdsq = "\x1b[D"; 1972 break; 1973 } 1974 1975 /* Force refresh to make scrollback work. */ 1976 vt_flush(vd); 1977 } else if (KEYFLAGS(c) == 0) { 1978 return (KEYCHAR(c)); 1979 } 1980 1981 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1982 return (*vw->vw_kbdsq++); 1983 1984 return (-1); 1985 } 1986 1987 /* 1988 * These two do most of what we want to do in vtterm_cnungrab, but without 1989 * actually switching windows. This is necessary for, e.g., 1990 * vt_allocate_keyboard() to get the current keyboard into the state it needs to 1991 * be in without damaging the device's window state. 1992 * 1993 * Both return the current grab count, though it's only used in vtterm_cnungrab. 1994 */ 1995 static int 1996 vtterm_cngrab_noswitch(struct vt_device *vd, struct vt_window *vw) 1997 { 1998 keyboard_t *kbd; 1999 2000 if (vw->vw_grabbed++ > 0) 2001 return (vw->vw_grabbed); 2002 2003 if ((kbd = vd->vd_keyboard) == NULL) 2004 return (1); 2005 2006 /* 2007 * Make sure the keyboard is accessible even when the kbd device 2008 * driver is disabled. 2009 */ 2010 kbdd_enable(kbd); 2011 2012 /* We shall always use the keyboard in the XLATE mode here. */ 2013 vw->vw_prev_kbdmode = vw->vw_kbdmode; 2014 vw->vw_kbdmode = K_XLATE; 2015 vt_update_kbd_mode(vw, kbd); 2016 2017 kbdd_poll(kbd, TRUE); 2018 return (1); 2019 } 2020 2021 static int 2022 vtterm_cnungrab_noswitch(struct vt_device *vd, struct vt_window *vw) 2023 { 2024 keyboard_t *kbd; 2025 2026 if (--vw->vw_grabbed > 0) 2027 return (vw->vw_grabbed); 2028 2029 if ((kbd = vd->vd_keyboard) == NULL) 2030 return (0); 2031 2032 kbdd_poll(kbd, FALSE); 2033 2034 vw->vw_kbdmode = vw->vw_prev_kbdmode; 2035 vt_update_kbd_mode(vw, kbd); 2036 kbdd_disable(kbd); 2037 return (0); 2038 } 2039 2040 static void 2041 vtterm_cngrab(struct terminal *tm) 2042 { 2043 struct vt_device *vd; 2044 struct vt_window *vw; 2045 2046 vw = tm->tm_softc; 2047 vd = vw->vw_device; 2048 2049 /* To be restored after we ungrab. */ 2050 if (vd->vd_grabwindow == NULL) 2051 vd->vd_grabwindow = vd->vd_curwindow; 2052 2053 if (!cold) 2054 vt_window_switch(vw); 2055 2056 vtterm_cngrab_noswitch(vd, vw); 2057 } 2058 2059 static void 2060 vtterm_cnungrab(struct terminal *tm) 2061 { 2062 struct vt_device *vd; 2063 struct vt_window *vw, *grabwindow; 2064 2065 vw = tm->tm_softc; 2066 vd = vw->vw_device; 2067 2068 MPASS(vd->vd_grabwindow != NULL); 2069 if (vtterm_cnungrab_noswitch(vd, vw) != 0) 2070 return; 2071 2072 /* 2073 * We set `vd_grabwindow` to NULL before calling vt_window_switch() 2074 * because it allows the underlying vt(4) backend to distinguish a 2075 * "grab" from an "ungrab" of the console. 2076 * 2077 * This is used by `vt_drmfb` in drm-kmod to call either 2078 * fb_debug_enter() or fb_debug_leave() appropriately. 2079 */ 2080 grabwindow = vd->vd_grabwindow; 2081 vd->vd_grabwindow = NULL; 2082 2083 if (!cold) 2084 vt_window_switch(grabwindow); 2085 } 2086 2087 static void 2088 vtterm_opened(struct terminal *tm, int opened) 2089 { 2090 struct vt_window *vw = tm->tm_softc; 2091 struct vt_device *vd = vw->vw_device; 2092 2093 VT_LOCK(vd); 2094 vd->vd_flags &= ~VDF_SPLASH; 2095 if (opened) 2096 vw->vw_flags |= VWF_OPENED; 2097 else { 2098 vw->vw_flags &= ~VWF_OPENED; 2099 /* TODO: finish ACQ/REL */ 2100 } 2101 VT_UNLOCK(vd); 2102 } 2103 2104 static int 2105 vt_change_font(struct vt_window *vw, struct vt_font *vf) 2106 { 2107 struct vt_device *vd = vw->vw_device; 2108 struct terminal *tm = vw->vw_terminal; 2109 term_pos_t size; 2110 struct winsize wsz; 2111 2112 /* 2113 * Changing fonts. 2114 * 2115 * Changing fonts is a little tricky. We must prevent 2116 * simultaneous access to the device, so we must stop 2117 * the display timer and the terminal from accessing. 2118 * We need to switch fonts and grow our screen buffer. 2119 * 2120 * XXX: Right now the code uses terminal_mute() to 2121 * prevent data from reaching the console driver while 2122 * resizing the screen buffer. This isn't elegant... 2123 */ 2124 2125 VT_LOCK(vd); 2126 if (vw->vw_flags & VWF_BUSY) { 2127 /* Another process is changing the font. */ 2128 VT_UNLOCK(vd); 2129 return (EBUSY); 2130 } 2131 vw->vw_flags |= VWF_BUSY; 2132 VT_UNLOCK(vd); 2133 2134 vt_termsize(vd, vf, &size); 2135 vt_winsize(vd, vf, &wsz); 2136 2137 /* Grow the screen buffer and terminal. */ 2138 terminal_mute(tm, 1); 2139 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 2140 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 2141 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 2142 terminal_mute(tm, 0); 2143 2144 /* Actually apply the font to the current window. */ 2145 VT_LOCK(vd); 2146 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) { 2147 /* 2148 * In case vt_change_font called to update size we don't need 2149 * to update font link. 2150 */ 2151 vtfont_unref(vw->vw_font); 2152 vw->vw_font = vtfont_ref(vf); 2153 } 2154 2155 /* 2156 * Compute the drawable area and move the mouse cursor inside 2157 * it, in case the new area is smaller than the previous one. 2158 */ 2159 vt_compute_drawable_area(vw); 2160 vd->vd_mx = min(vd->vd_mx, 2161 vw->vw_draw_area.tr_end.tp_col - 2162 vw->vw_draw_area.tr_begin.tp_col - 1); 2163 vd->vd_my = min(vd->vd_my, 2164 vw->vw_draw_area.tr_end.tp_row - 2165 vw->vw_draw_area.tr_begin.tp_row - 1); 2166 2167 /* Force a full redraw the next timer tick. */ 2168 if (vd->vd_curwindow == vw) { 2169 vd->vd_flags |= VDF_INVALID; 2170 vt_resume_flush_timer(vw, 0); 2171 } 2172 vw->vw_flags &= ~VWF_BUSY; 2173 VT_UNLOCK(vd); 2174 return (0); 2175 } 2176 2177 static int 2178 vt_proc_alive(struct vt_window *vw) 2179 { 2180 struct proc *p; 2181 2182 if (vw->vw_smode.mode != VT_PROCESS) 2183 return (FALSE); 2184 2185 if (vw->vw_proc) { 2186 if ((p = pfind(vw->vw_pid)) != NULL) 2187 PROC_UNLOCK(p); 2188 if (vw->vw_proc == p) 2189 return (TRUE); 2190 vw->vw_proc = NULL; 2191 vw->vw_smode.mode = VT_AUTO; 2192 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid); 2193 vw->vw_pid = 0; 2194 } 2195 return (FALSE); 2196 } 2197 2198 static int 2199 signal_vt_rel(struct vt_window *vw) 2200 { 2201 2202 if (vw->vw_smode.mode != VT_PROCESS) 2203 return (FALSE); 2204 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 2205 vw->vw_proc = NULL; 2206 vw->vw_pid = 0; 2207 return (TRUE); 2208 } 2209 vw->vw_flags |= VWF_SWWAIT_REL; 2210 PROC_LOCK(vw->vw_proc); 2211 kern_psignal(vw->vw_proc, vw->vw_smode.relsig); 2212 PROC_UNLOCK(vw->vw_proc); 2213 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid); 2214 return (TRUE); 2215 } 2216 2217 static int 2218 signal_vt_acq(struct vt_window *vw) 2219 { 2220 2221 if (vw->vw_smode.mode != VT_PROCESS) 2222 return (FALSE); 2223 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2224 cnavailable(vw->vw_terminal->consdev, FALSE); 2225 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 2226 vw->vw_proc = NULL; 2227 vw->vw_pid = 0; 2228 return (TRUE); 2229 } 2230 vw->vw_flags |= VWF_SWWAIT_ACQ; 2231 PROC_LOCK(vw->vw_proc); 2232 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig); 2233 PROC_UNLOCK(vw->vw_proc); 2234 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid); 2235 return (TRUE); 2236 } 2237 2238 static int 2239 finish_vt_rel(struct vt_window *vw, int release, int *s) 2240 { 2241 2242 if (vw->vw_flags & VWF_SWWAIT_REL) { 2243 vw->vw_flags &= ~VWF_SWWAIT_REL; 2244 if (release) { 2245 taskqueue_drain_timeout(taskqueue_thread, &vw->vw_timeout_task_dead); 2246 (void)vt_late_window_switch(vw->vw_switch_to); 2247 } 2248 return (0); 2249 } 2250 return (EINVAL); 2251 } 2252 2253 static int 2254 finish_vt_acq(struct vt_window *vw) 2255 { 2256 2257 if (vw->vw_flags & VWF_SWWAIT_ACQ) { 2258 vw->vw_flags &= ~VWF_SWWAIT_ACQ; 2259 return (0); 2260 } 2261 return (EINVAL); 2262 } 2263 2264 #ifndef SC_NO_CUTPASTE 2265 static void 2266 vt_mouse_terminput_button(struct vt_device *vd, int button) 2267 { 2268 struct vt_window *vw; 2269 struct vt_font *vf; 2270 char mouseb[6] = "\x1B[M"; 2271 int i, x, y; 2272 2273 vw = vd->vd_curwindow; 2274 vf = vw->vw_font; 2275 2276 /* Translate to char position. */ 2277 x = vd->vd_mx / vf->vf_width; 2278 y = vd->vd_my / vf->vf_height; 2279 /* Avoid overflow. */ 2280 x = MIN(x, 255 - '!'); 2281 y = MIN(y, 255 - '!'); 2282 2283 mouseb[3] = ' ' + button; 2284 mouseb[4] = '!' + x; 2285 mouseb[5] = '!' + y; 2286 2287 for (i = 0; i < sizeof(mouseb); i++) 2288 terminal_input_char(vw->vw_terminal, mouseb[i]); 2289 } 2290 2291 static void 2292 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event, 2293 int cnt) 2294 { 2295 2296 switch (type) { 2297 case MOUSE_BUTTON_EVENT: 2298 if (cnt > 0) { 2299 /* Mouse button pressed. */ 2300 if (event & MOUSE_BUTTON1DOWN) 2301 vt_mouse_terminput_button(vd, 0); 2302 if (event & MOUSE_BUTTON2DOWN) 2303 vt_mouse_terminput_button(vd, 1); 2304 if (event & MOUSE_BUTTON3DOWN) 2305 vt_mouse_terminput_button(vd, 2); 2306 } else { 2307 /* Mouse button released. */ 2308 vt_mouse_terminput_button(vd, 3); 2309 } 2310 break; 2311 #ifdef notyet 2312 case MOUSE_MOTION_EVENT: 2313 if (mouse->u.data.z < 0) { 2314 /* Scroll up. */ 2315 sc_mouse_input_button(vd, 64); 2316 } else if (mouse->u.data.z > 0) { 2317 /* Scroll down. */ 2318 sc_mouse_input_button(vd, 65); 2319 } 2320 break; 2321 #endif 2322 } 2323 } 2324 2325 static void 2326 vt_mouse_paste(void) 2327 { 2328 term_char_t *buf; 2329 int i, len; 2330 2331 len = VD_PASTEBUFLEN(main_vd); 2332 buf = VD_PASTEBUF(main_vd); 2333 len /= sizeof(term_char_t); 2334 for (i = 0; i < len; i++) { 2335 if (TCHAR_CHARACTER(buf[i]) == '\0') 2336 continue; 2337 terminal_input_char(main_vd->vd_curwindow->vw_terminal, 2338 buf[i]); 2339 } 2340 } 2341 2342 void 2343 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel) 2344 { 2345 struct vt_device *vd; 2346 struct vt_window *vw; 2347 struct vt_font *vf; 2348 term_pos_t size; 2349 int len, mark; 2350 2351 vd = main_vd; 2352 vw = vd->vd_curwindow; 2353 vf = vw->vw_font; 2354 2355 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS)) 2356 /* 2357 * Either the mouse is disabled, or the window is in 2358 * "graphics mode". The graphics mode is usually set by 2359 * an X server, using the KDSETMODE ioctl. 2360 */ 2361 return; 2362 2363 if (vf == NULL) /* Text mode. */ 2364 return; 2365 2366 /* 2367 * TODO: add flag about pointer position changed, to not redraw chars 2368 * under mouse pointer when nothing changed. 2369 */ 2370 2371 if (vw->vw_mouse_level > 0) 2372 vt_mouse_terminput(vd, type, x, y, event, cnt); 2373 2374 switch (type) { 2375 case MOUSE_ACTION: 2376 case MOUSE_MOTION_EVENT: 2377 /* Movement */ 2378 x += vd->vd_mx; 2379 y += vd->vd_my; 2380 2381 vt_termsize(vd, vf, &size); 2382 2383 /* Apply limits. */ 2384 x = MAX(x, 0); 2385 y = MAX(y, 0); 2386 x = MIN(x, (size.tp_col * vf->vf_width) - 1); 2387 y = MIN(y, (size.tp_row * vf->vf_height) - 1); 2388 2389 vd->vd_mx = x; 2390 vd->vd_my = y; 2391 if (vd->vd_mstate & (MOUSE_BUTTON1DOWN | VT_MOUSE_EXTENDBUTTON)) 2392 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE, 2393 vd->vd_mx / vf->vf_width, 2394 vd->vd_my / vf->vf_height); 2395 2396 vt_resume_flush_timer(vw, 0); 2397 return; /* Done */ 2398 case MOUSE_BUTTON_EVENT: 2399 /* Buttons */ 2400 break; 2401 default: 2402 return; /* Done */ 2403 } 2404 2405 switch (event) { 2406 case MOUSE_BUTTON1DOWN: 2407 switch (cnt % 4) { 2408 case 0: /* up */ 2409 mark = VTB_MARK_END; 2410 break; 2411 case 1: /* single click: start cut operation */ 2412 mark = VTB_MARK_START; 2413 break; 2414 case 2: /* double click: cut a word */ 2415 mark = VTB_MARK_WORD; 2416 break; 2417 default: /* triple click: cut a line */ 2418 mark = VTB_MARK_ROW; 2419 break; 2420 } 2421 break; 2422 case VT_MOUSE_PASTEBUTTON: 2423 switch (cnt) { 2424 case 0: /* up */ 2425 break; 2426 default: 2427 vt_mouse_paste(); 2428 /* clear paste buffer selection after paste */ 2429 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_START, 2430 vd->vd_mx / vf->vf_width, 2431 vd->vd_my / vf->vf_height); 2432 break; 2433 } 2434 return; /* Done */ 2435 case VT_MOUSE_EXTENDBUTTON: 2436 switch (cnt) { 2437 case 0: /* up */ 2438 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN)) 2439 mark = VTB_MARK_EXTEND; 2440 else 2441 mark = VTB_MARK_NONE; 2442 break; 2443 default: 2444 mark = VTB_MARK_EXTEND; 2445 break; 2446 } 2447 break; 2448 default: 2449 return; /* Done */ 2450 } 2451 2452 /* Save buttons state. */ 2453 if (cnt > 0) 2454 vd->vd_mstate |= event; 2455 else 2456 vd->vd_mstate &= ~event; 2457 2458 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width, 2459 vd->vd_my / vf->vf_height) == 1) { 2460 /* 2461 * We have something marked to copy, so update pointer to 2462 * window with selection. 2463 */ 2464 vt_resume_flush_timer(vw, 0); 2465 2466 switch (mark) { 2467 case VTB_MARK_END: 2468 case VTB_MARK_WORD: 2469 case VTB_MARK_ROW: 2470 case VTB_MARK_EXTEND: 2471 break; 2472 default: 2473 /* Other types of mark do not require to copy data. */ 2474 return; 2475 } 2476 2477 /* Get current selection size in bytes. */ 2478 len = vtbuf_get_marked_len(&vw->vw_buf); 2479 if (len <= 0) 2480 return; 2481 2482 /* Reallocate buffer only if old one is too small. */ 2483 if (len > VD_PASTEBUFSZ(vd)) { 2484 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT, 2485 M_WAITOK | M_ZERO); 2486 /* Update buffer size. */ 2487 VD_PASTEBUFSZ(vd) = len; 2488 } 2489 /* Request copy/paste buffer data, no more than `len' */ 2490 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd), len, mark); 2491 2492 VD_PASTEBUFLEN(vd) = len; 2493 2494 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */ 2495 } 2496 } 2497 2498 void 2499 vt_mouse_state(int show) 2500 { 2501 struct vt_device *vd; 2502 struct vt_window *vw; 2503 2504 vd = main_vd; 2505 vw = vd->vd_curwindow; 2506 2507 switch (show) { 2508 case VT_MOUSE_HIDE: 2509 vw->vw_flags |= VWF_MOUSE_HIDE; 2510 break; 2511 case VT_MOUSE_SHOW: 2512 vw->vw_flags &= ~VWF_MOUSE_HIDE; 2513 break; 2514 } 2515 2516 /* Mark mouse position as dirty. */ 2517 vt_mark_mouse_position_as_dirty(vd, false); 2518 vt_resume_flush_timer(vw, 0); 2519 } 2520 #endif 2521 2522 static int 2523 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr, 2524 int nprot, vm_memattr_t *memattr) 2525 { 2526 struct vt_window *vw = tm->tm_softc; 2527 struct vt_device *vd = vw->vw_device; 2528 2529 if (vd->vd_driver->vd_fb_mmap) 2530 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot, 2531 memattr)); 2532 2533 return (ENXIO); 2534 } 2535 2536 static int 2537 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data, 2538 struct thread *td) 2539 { 2540 struct vt_window *vw = tm->tm_softc; 2541 struct vt_device *vd = vw->vw_device; 2542 keyboard_t *kbd; 2543 int error, i, s; 2544 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 2545 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 2546 int ival; 2547 2548 switch (cmd) { 2549 case _IO('v', 4): 2550 cmd = VT_RELDISP; 2551 break; 2552 case _IO('v', 5): 2553 cmd = VT_ACTIVATE; 2554 break; 2555 case _IO('v', 6): 2556 cmd = VT_WAITACTIVE; 2557 break; 2558 case _IO('K', 20): 2559 cmd = KDSKBSTATE; 2560 break; 2561 case _IO('K', 67): 2562 cmd = KDSETRAD; 2563 break; 2564 case _IO('K', 7): 2565 cmd = KDSKBMODE; 2566 break; 2567 case _IO('K', 8): 2568 cmd = KDMKTONE; 2569 break; 2570 case _IO('K', 10): 2571 cmd = KDSETMODE; 2572 break; 2573 case _IO('K', 13): 2574 cmd = KDSBORDER; 2575 break; 2576 case _IO('K', 63): 2577 cmd = KIOCSOUND; 2578 break; 2579 case _IO('K', 66): 2580 cmd = KDSETLED; 2581 break; 2582 case _IO('c', 104): 2583 cmd = CONS_SETWINORG; 2584 break; 2585 case _IO('c', 110): 2586 cmd = CONS_SETKBD; 2587 break; 2588 default: 2589 goto skip_thunk; 2590 } 2591 ival = IOCPARM_IVAL(data); 2592 data = (caddr_t)&ival; 2593 skip_thunk: 2594 #endif 2595 2596 switch (cmd) { 2597 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 2598 if (*(int *)data & ~0x7f) 2599 return (EINVAL); 2600 /* FALLTHROUGH */ 2601 case GIO_KEYMAP: 2602 case PIO_KEYMAP: 2603 case GIO_DEADKEYMAP: 2604 case PIO_DEADKEYMAP: 2605 #ifdef COMPAT_FREEBSD13 2606 case OGIO_DEADKEYMAP: 2607 case OPIO_DEADKEYMAP: 2608 #endif /* COMPAT_FREEBSD13 */ 2609 case GETFKEY: 2610 case SETFKEY: 2611 case KDGKBINFO: 2612 case KDGKBTYPE: 2613 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 2614 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 2615 case KBADDKBD: /* add keyboard to mux */ 2616 case KBRELKBD: { /* release keyboard from mux */ 2617 error = 0; 2618 2619 mtx_lock(&Giant); 2620 if ((kbd = vd->vd_keyboard) != NULL) 2621 error = kbdd_ioctl(kbd, cmd, data); 2622 mtx_unlock(&Giant); 2623 if (error == ENOIOCTL) { 2624 if (cmd == KDGKBTYPE) { 2625 /* always return something? XXX */ 2626 *(int *)data = 0; 2627 } else { 2628 return (ENODEV); 2629 } 2630 } 2631 return (error); 2632 } 2633 case KDGKBSTATE: { /* get keyboard state (locks) */ 2634 error = 0; 2635 2636 if (vw == vd->vd_curwindow) { 2637 mtx_lock(&Giant); 2638 if ((kbd = vd->vd_keyboard) != NULL) 2639 error = vt_save_kbd_state(vw, kbd); 2640 mtx_unlock(&Giant); 2641 2642 if (error != 0) 2643 return (error); 2644 } 2645 2646 *(int *)data = vw->vw_kbdstate & LOCK_MASK; 2647 2648 return (error); 2649 } 2650 case KDSKBSTATE: { /* set keyboard state (locks) */ 2651 int state; 2652 2653 state = *(int *)data; 2654 if (state & ~LOCK_MASK) 2655 return (EINVAL); 2656 2657 vw->vw_kbdstate &= ~LOCK_MASK; 2658 vw->vw_kbdstate |= state; 2659 2660 error = 0; 2661 if (vw == vd->vd_curwindow) { 2662 mtx_lock(&Giant); 2663 if ((kbd = vd->vd_keyboard) != NULL) 2664 error = vt_update_kbd_state(vw, kbd); 2665 mtx_unlock(&Giant); 2666 } 2667 2668 return (error); 2669 } 2670 case KDGETLED: { /* get keyboard LED status */ 2671 error = 0; 2672 2673 if (vw == vd->vd_curwindow) { 2674 mtx_lock(&Giant); 2675 if ((kbd = vd->vd_keyboard) != NULL) 2676 error = vt_save_kbd_leds(vw, kbd); 2677 mtx_unlock(&Giant); 2678 2679 if (error != 0) 2680 return (error); 2681 } 2682 2683 *(int *)data = vw->vw_kbdstate & LED_MASK; 2684 2685 return (error); 2686 } 2687 case KDSETLED: { /* set keyboard LED status */ 2688 int leds; 2689 2690 leds = *(int *)data; 2691 if (leds & ~LED_MASK) 2692 return (EINVAL); 2693 2694 vw->vw_kbdstate &= ~LED_MASK; 2695 vw->vw_kbdstate |= leds; 2696 2697 error = 0; 2698 if (vw == vd->vd_curwindow) { 2699 mtx_lock(&Giant); 2700 if ((kbd = vd->vd_keyboard) != NULL) 2701 error = vt_update_kbd_leds(vw, kbd); 2702 mtx_unlock(&Giant); 2703 } 2704 2705 return (error); 2706 } 2707 case KDGETMODE: 2708 *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ? 2709 KD_GRAPHICS : KD_TEXT; 2710 return (0); 2711 case KDGKBMODE: { 2712 error = 0; 2713 2714 if (vw == vd->vd_curwindow) { 2715 mtx_lock(&Giant); 2716 if ((kbd = vd->vd_keyboard) != NULL) 2717 error = vt_save_kbd_mode(vw, kbd); 2718 mtx_unlock(&Giant); 2719 2720 if (error != 0) 2721 return (error); 2722 } 2723 2724 *(int *)data = vw->vw_kbdmode; 2725 2726 return (error); 2727 } 2728 case KDSKBMODE: { 2729 int mode; 2730 2731 mode = *(int *)data; 2732 switch (mode) { 2733 case K_XLATE: 2734 case K_RAW: 2735 case K_CODE: 2736 vw->vw_kbdmode = mode; 2737 2738 error = 0; 2739 if (vw == vd->vd_curwindow) { 2740 mtx_lock(&Giant); 2741 if ((kbd = vd->vd_keyboard) != NULL) 2742 error = vt_update_kbd_mode(vw, kbd); 2743 mtx_unlock(&Giant); 2744 } 2745 2746 return (error); 2747 default: 2748 return (EINVAL); 2749 } 2750 } 2751 case FBIOGTYPE: 2752 case FBIO_GETWINORG: /* get frame buffer window origin */ 2753 case FBIO_GETDISPSTART: /* get display start address */ 2754 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 2755 case FBIO_BLANK: /* blank display */ 2756 case FBIO_GETRGBOFFS: /* get RGB offsets */ 2757 if (vd->vd_driver->vd_fb_ioctl) 2758 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td)); 2759 break; 2760 case CONS_BLANKTIME: 2761 /* XXX */ 2762 return (0); 2763 case CONS_HISTORY: 2764 if (*(int *)data < 0) 2765 return EINVAL; 2766 if (*(int *)data != vw->vw_buf.vb_history_size) 2767 vtbuf_sethistory_size(&vw->vw_buf, *(int *)data); 2768 return (0); 2769 case CONS_CLRHIST: 2770 vtbuf_clearhistory(&vw->vw_buf); 2771 /* 2772 * Invalidate the entire visible window; it is not guaranteed 2773 * that this operation will be immediately followed by a scroll 2774 * event, so it would otherwise be possible for prior artifacts 2775 * to remain visible. 2776 */ 2777 VT_LOCK(vd); 2778 if (vw == vd->vd_curwindow) { 2779 vd->vd_flags |= VDF_INVALID; 2780 vt_resume_flush_timer(vw, 0); 2781 } 2782 VT_UNLOCK(vd); 2783 return (0); 2784 case CONS_GET: 2785 /* XXX */ 2786 *(int *)data = M_CG640x480; 2787 return (0); 2788 case CONS_BELLTYPE: /* set bell type sound */ 2789 if ((*(int *)data) & CONS_QUIET_BELL) 2790 vd->vd_flags |= VDF_QUIET_BELL; 2791 else 2792 vd->vd_flags &= ~VDF_QUIET_BELL; 2793 return (0); 2794 case CONS_GETINFO: { 2795 vid_info_t *vi = (vid_info_t *)data; 2796 if (vi->size != sizeof(struct vid_info)) 2797 return (EINVAL); 2798 2799 if (vw == vd->vd_curwindow) { 2800 mtx_lock(&Giant); 2801 if ((kbd = vd->vd_keyboard) != NULL) 2802 vt_save_kbd_state(vw, kbd); 2803 mtx_unlock(&Giant); 2804 } 2805 2806 vi->m_num = vd->vd_curwindow->vw_number + 1; 2807 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK; 2808 /* XXX: other fields! */ 2809 return (0); 2810 } 2811 case CONS_GETVERS: 2812 *(int *)data = 0x200; 2813 return (0); 2814 case CONS_MODEINFO: 2815 /* XXX */ 2816 return (0); 2817 case CONS_MOUSECTL: { 2818 mouse_info_t *mouse = (mouse_info_t*)data; 2819 2820 /* 2821 * All the commands except MOUSE_SHOW nd MOUSE_HIDE 2822 * should not be applied to individual TTYs, but only to 2823 * consolectl. 2824 */ 2825 switch (mouse->operation) { 2826 case MOUSE_HIDE: 2827 if (vd->vd_flags & VDF_MOUSECURSOR) { 2828 vd->vd_flags &= ~VDF_MOUSECURSOR; 2829 #ifndef SC_NO_CUTPASTE 2830 vt_mouse_state(VT_MOUSE_HIDE); 2831 #endif 2832 } 2833 return (0); 2834 case MOUSE_SHOW: 2835 if (!(vd->vd_flags & VDF_MOUSECURSOR)) { 2836 vd->vd_flags |= VDF_MOUSECURSOR; 2837 vd->vd_mx = vd->vd_width / 2; 2838 vd->vd_my = vd->vd_height / 2; 2839 #ifndef SC_NO_CUTPASTE 2840 vt_mouse_state(VT_MOUSE_SHOW); 2841 #endif 2842 } 2843 return (0); 2844 default: 2845 return (EINVAL); 2846 } 2847 } 2848 case PIO_VFONT: { 2849 struct vt_font *vf; 2850 2851 if (vd->vd_flags & VDF_TEXTMODE) 2852 return (ENOTSUP); 2853 2854 error = vtfont_load((void *)data, &vf); 2855 if (error != 0) 2856 return (error); 2857 2858 error = vt_change_font(vw, vf); 2859 vtfont_unref(vf); 2860 return (error); 2861 } 2862 case PIO_VFONT_DEFAULT: { 2863 /* Reset to default font. */ 2864 error = vt_change_font(vw, vt_font_assigned); 2865 return (error); 2866 } 2867 case GIO_SCRNMAP: { 2868 scrmap_t *sm = (scrmap_t *)data; 2869 2870 /* We don't have screen maps, so return a handcrafted one. */ 2871 for (i = 0; i < 256; i++) 2872 sm->scrmap[i] = i; 2873 return (0); 2874 } 2875 case KDSETMODE: 2876 /* 2877 * FIXME: This implementation is incomplete compared to 2878 * syscons. 2879 */ 2880 switch (*(int *)data) { 2881 case KD_TEXT: 2882 case KD_TEXT1: 2883 case KD_PIXEL: 2884 vw->vw_flags &= ~VWF_GRAPHICS; 2885 break; 2886 case KD_GRAPHICS: 2887 vw->vw_flags |= VWF_GRAPHICS; 2888 break; 2889 } 2890 return (0); 2891 case KDENABIO: /* allow io operations */ 2892 error = priv_check(td, PRIV_IO); 2893 if (error != 0) 2894 return (error); 2895 error = securelevel_gt(td->td_ucred, 0); 2896 if (error != 0) 2897 return (error); 2898 #if defined(__i386__) 2899 td->td_frame->tf_eflags |= PSL_IOPL; 2900 #elif defined(__amd64__) 2901 td->td_frame->tf_rflags |= PSL_IOPL; 2902 #endif 2903 return (0); 2904 case KDDISABIO: /* disallow io operations (default) */ 2905 #if defined(__i386__) 2906 td->td_frame->tf_eflags &= ~PSL_IOPL; 2907 #elif defined(__amd64__) 2908 td->td_frame->tf_rflags &= ~PSL_IOPL; 2909 #endif 2910 return (0); 2911 case KDMKTONE: /* sound the bell */ 2912 vtterm_beep(tm, *(u_int *)data); 2913 return (0); 2914 case KIOCSOUND: /* make tone (*data) hz */ 2915 /* TODO */ 2916 return (0); 2917 case CONS_SETKBD: /* set the new keyboard */ 2918 mtx_lock(&Giant); 2919 error = 0; 2920 if (vd->vd_keyboard == NULL || 2921 vd->vd_keyboard->kb_index != *(int *)data) { 2922 kbd = kbd_get_keyboard(*(int *)data); 2923 if (kbd == NULL) { 2924 mtx_unlock(&Giant); 2925 return (EINVAL); 2926 } 2927 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, 2928 (void *)vd, vt_kbdevent, vd); 2929 if (i >= 0) { 2930 if ((kbd = vd->vd_keyboard) != NULL) { 2931 vt_save_kbd_state(vd->vd_curwindow, kbd); 2932 kbd_release(kbd, (void *)vd); 2933 } 2934 kbd = vd->vd_keyboard = kbd_get_keyboard(i); 2935 2936 vt_update_kbd_mode(vd->vd_curwindow, kbd); 2937 vt_update_kbd_state(vd->vd_curwindow, kbd); 2938 } else { 2939 error = EPERM; /* XXX */ 2940 } 2941 } 2942 mtx_unlock(&Giant); 2943 return (error); 2944 case CONS_RELKBD: /* release the current keyboard */ 2945 mtx_lock(&Giant); 2946 error = 0; 2947 if ((kbd = vd->vd_keyboard) != NULL) { 2948 vt_save_kbd_state(vd->vd_curwindow, kbd); 2949 error = kbd_release(kbd, (void *)vd); 2950 if (error == 0) { 2951 vd->vd_keyboard = NULL; 2952 } 2953 } 2954 mtx_unlock(&Giant); 2955 return (error); 2956 case VT_ACTIVATE: { 2957 int win; 2958 win = *(int *)data - 1; 2959 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME, 2960 VT_UNIT(vw), win); 2961 if ((win >= VT_MAXWINDOWS) || (win < 0)) 2962 return (EINVAL); 2963 return (vt_proc_window_switch(vd->vd_windows[win])); 2964 } 2965 case VT_GETACTIVE: 2966 *(int *)data = vd->vd_curwindow->vw_number + 1; 2967 return (0); 2968 case VT_GETINDEX: 2969 *(int *)data = vw->vw_number + 1; 2970 return (0); 2971 case VT_LOCKSWITCH: 2972 /* TODO: Check current state, switching can be in progress. */ 2973 if ((*(int *)data) == 0x01) 2974 vw->vw_flags |= VWF_VTYLOCK; 2975 else if ((*(int *)data) == 0x02) 2976 vw->vw_flags &= ~VWF_VTYLOCK; 2977 else 2978 return (EINVAL); 2979 return (0); 2980 case VT_OPENQRY: 2981 VT_LOCK(vd); 2982 for (i = 0; i < VT_MAXWINDOWS; i++) { 2983 vw = vd->vd_windows[i]; 2984 if (vw == NULL) 2985 continue; 2986 if (!(vw->vw_flags & VWF_OPENED)) { 2987 *(int *)data = vw->vw_number + 1; 2988 VT_UNLOCK(vd); 2989 return (0); 2990 } 2991 } 2992 VT_UNLOCK(vd); 2993 return (EINVAL); 2994 case VT_WAITACTIVE: { 2995 unsigned int idx; 2996 2997 error = 0; 2998 2999 idx = *(unsigned int *)data; 3000 if (idx > VT_MAXWINDOWS) 3001 return (EINVAL); 3002 if (idx > 0) 3003 vw = vd->vd_windows[idx - 1]; 3004 3005 VT_LOCK(vd); 3006 while (vd->vd_curwindow != vw && error == 0) 3007 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 3008 VT_UNLOCK(vd); 3009 return (error); 3010 } 3011 case VT_SETMODE: { /* set screen switcher mode */ 3012 struct vt_mode *mode; 3013 struct proc *p1; 3014 3015 mode = (struct vt_mode *)data; 3016 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw)); 3017 if (vw->vw_smode.mode == VT_PROCESS) { 3018 p1 = pfind(vw->vw_pid); 3019 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) { 3020 if (p1) 3021 PROC_UNLOCK(p1); 3022 DPRINTF(5, "error EPERM\n"); 3023 return (EPERM); 3024 } 3025 if (p1) 3026 PROC_UNLOCK(p1); 3027 } 3028 if (mode->mode == VT_AUTO) { 3029 vw->vw_smode.mode = VT_AUTO; 3030 vw->vw_proc = NULL; 3031 vw->vw_pid = 0; 3032 DPRINTF(5, "VT_AUTO, "); 3033 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 3034 cnavailable(vw->vw_terminal->consdev, TRUE); 3035 /* were we in the middle of the vty switching process? */ 3036 if (finish_vt_rel(vw, TRUE, &s) == 0) 3037 DPRINTF(5, "reset WAIT_REL, "); 3038 if (finish_vt_acq(vw) == 0) 3039 DPRINTF(5, "reset WAIT_ACQ, "); 3040 return (0); 3041 } else if (mode->mode == VT_PROCESS) { 3042 if (!ISSIGVALID(mode->relsig) || 3043 !ISSIGVALID(mode->acqsig) || 3044 !ISSIGVALID(mode->frsig)) { 3045 DPRINTF(5, "error EINVAL\n"); 3046 return (EINVAL); 3047 } 3048 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid); 3049 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode)); 3050 vw->vw_proc = td->td_proc; 3051 vw->vw_pid = vw->vw_proc->p_pid; 3052 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 3053 cnavailable(vw->vw_terminal->consdev, FALSE); 3054 } else { 3055 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n", 3056 mode->mode); 3057 return (EINVAL); 3058 } 3059 DPRINTF(5, "\n"); 3060 return (0); 3061 } 3062 case VT_GETMODE: /* get screen switcher mode */ 3063 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode)); 3064 return (0); 3065 3066 case VT_RELDISP: /* screen switcher ioctl */ 3067 /* 3068 * This must be the current vty which is in the VT_PROCESS 3069 * switching mode... 3070 */ 3071 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode != 3072 VT_PROCESS)) { 3073 return (EINVAL); 3074 } 3075 /* ...and this process is controlling it. */ 3076 if (vw->vw_proc != td->td_proc) { 3077 return (EPERM); 3078 } 3079 error = EINVAL; 3080 switch(*(int *)data) { 3081 case VT_FALSE: /* user refuses to release screen, abort */ 3082 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0) 3083 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n", 3084 SC_DRIVER_NAME, VT_UNIT(vw)); 3085 break; 3086 case VT_TRUE: /* user has released screen, go on */ 3087 /* finish_vt_rel(..., TRUE, ...) should not be locked */ 3088 if (vw->vw_flags & VWF_SWWAIT_REL) { 3089 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0) 3090 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n", 3091 SC_DRIVER_NAME, VT_UNIT(vw)); 3092 } else { 3093 error = EINVAL; 3094 } 3095 return (error); 3096 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 3097 if ((error = finish_vt_acq(vw)) == 0) 3098 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n", 3099 SC_DRIVER_NAME, VT_UNIT(vw)); 3100 break; 3101 default: 3102 break; 3103 } 3104 return (error); 3105 } 3106 3107 return (ENOIOCTL); 3108 } 3109 3110 static struct vt_window * 3111 vt_allocate_window(struct vt_device *vd, unsigned int window) 3112 { 3113 struct vt_window *vw; 3114 struct terminal *tm; 3115 term_pos_t size; 3116 struct winsize wsz; 3117 3118 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO); 3119 vw->vw_device = vd; 3120 vw->vw_number = window; 3121 vw->vw_kbdmode = K_XLATE; 3122 3123 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 3124 vw->vw_font = vtfont_ref(vt_font_assigned); 3125 vt_compute_drawable_area(vw); 3126 } 3127 3128 vt_termsize(vd, vw->vw_font, &size); 3129 vt_winsize(vd, vw->vw_font, &wsz); 3130 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw); 3131 vw->vw_buf.vb_terminal = tm; /* must be set before vtbuf_init() */ 3132 vtbuf_init(&vw->vw_buf, &size); 3133 3134 terminal_set_winsize(tm, &wsz); 3135 vd->vd_windows[window] = vw; 3136 TIMEOUT_TASK_INIT(taskqueue_thread, &vw->vw_timeout_task_dead, 0, &vt_switch_timer, vw); 3137 3138 return (vw); 3139 } 3140 3141 void 3142 vt_upgrade(struct vt_device *vd) 3143 { 3144 struct vt_window *vw; 3145 unsigned int i; 3146 int register_handlers; 3147 3148 if (!vty_enabled(VTY_VT)) 3149 return; 3150 if (main_vd->vd_driver == NULL) 3151 return; 3152 3153 for (i = 0; i < VT_MAXWINDOWS; i++) { 3154 vw = vd->vd_windows[i]; 3155 if (vw == NULL) { 3156 /* New window. */ 3157 vw = vt_allocate_window(vd, i); 3158 } 3159 if (!(vw->vw_flags & VWF_READY)) { 3160 TIMEOUT_TASK_INIT(taskqueue_thread, &vw->vw_timeout_task_dead, 0, &vt_switch_timer, vw); 3161 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw)); 3162 vw->vw_flags |= VWF_READY; 3163 if (vw->vw_flags & VWF_CONSOLE) { 3164 /* For existing console window. */ 3165 EVENTHANDLER_REGISTER(shutdown_pre_sync, 3166 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT); 3167 } 3168 } 3169 } 3170 VT_LOCK(vd); 3171 if (vd->vd_curwindow == NULL) 3172 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW]; 3173 3174 register_handlers = 0; 3175 if (!(vd->vd_flags & VDF_ASYNC)) { 3176 /* Attach keyboard. */ 3177 vt_allocate_keyboard(vd); 3178 3179 /* Init 25 Hz timer. */ 3180 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0); 3181 3182 /* 3183 * Start timer when everything ready. 3184 * Note that the operations here are purposefully ordered. 3185 * We need to ensure vd_timer_armed is non-zero before we set 3186 * the VDF_ASYNC flag. That prevents this function from 3187 * racing with vt_resume_flush_timer() to update the 3188 * callout structure. 3189 */ 3190 atomic_add_acq_int(&vd->vd_timer_armed, 1); 3191 vd->vd_flags |= VDF_ASYNC; 3192 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd); 3193 register_handlers = 1; 3194 } 3195 3196 VT_UNLOCK(vd); 3197 3198 /* Refill settings with new sizes. */ 3199 vt_resize(vd); 3200 3201 if (register_handlers) { 3202 /* Register suspend/resume handlers. */ 3203 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler, 3204 vd, EVENTHANDLER_PRI_ANY); 3205 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd, 3206 EVENTHANDLER_PRI_ANY); 3207 } 3208 } 3209 3210 static void 3211 vt_resize(struct vt_device *vd) 3212 { 3213 struct vt_window *vw; 3214 int i; 3215 3216 for (i = 0; i < VT_MAXWINDOWS; i++) { 3217 vw = vd->vd_windows[i]; 3218 VT_LOCK(vd); 3219 /* Assign default font to window, if not textmode. */ 3220 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL) 3221 vw->vw_font = vtfont_ref(vt_font_assigned); 3222 VT_UNLOCK(vd); 3223 3224 /* Resize terminal windows */ 3225 while (vt_change_font(vw, vw->vw_font) == EBUSY) { 3226 DPRINTF(100, "%s: vt_change_font() is busy, " 3227 "window %d\n", __func__, i); 3228 } 3229 } 3230 } 3231 3232 static void 3233 vt_replace_backend(const struct vt_driver *drv, void *softc) 3234 { 3235 struct vt_device *vd; 3236 3237 vd = main_vd; 3238 3239 if (vd->vd_flags & VDF_ASYNC) { 3240 /* Stop vt_flush periodic task. */ 3241 VT_LOCK(vd); 3242 vt_suspend_flush_timer(vd); 3243 VT_UNLOCK(vd); 3244 /* 3245 * Mute current terminal until we done. vt_change_font (called 3246 * from vt_resize) will unmute it. 3247 */ 3248 terminal_mute(vd->vd_curwindow->vw_terminal, 1); 3249 } 3250 3251 /* 3252 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will 3253 * set it. 3254 */ 3255 VT_LOCK(vd); 3256 vd->vd_flags &= ~VDF_TEXTMODE; 3257 3258 if (drv != NULL) { 3259 /* 3260 * We want to upgrade from the current driver to the 3261 * given driver. 3262 */ 3263 3264 vd->vd_prev_driver = vd->vd_driver; 3265 vd->vd_prev_softc = vd->vd_softc; 3266 vd->vd_driver = drv; 3267 vd->vd_softc = softc; 3268 3269 vd->vd_driver->vd_init(vd); 3270 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) { 3271 /* 3272 * No driver given: we want to downgrade to the previous 3273 * driver. 3274 */ 3275 const struct vt_driver *old_drv; 3276 void *old_softc; 3277 3278 old_drv = vd->vd_driver; 3279 old_softc = vd->vd_softc; 3280 3281 vd->vd_driver = vd->vd_prev_driver; 3282 vd->vd_softc = vd->vd_prev_softc; 3283 vd->vd_prev_driver = NULL; 3284 vd->vd_prev_softc = NULL; 3285 3286 vd->vd_flags |= VDF_DOWNGRADE; 3287 3288 vd->vd_driver->vd_init(vd); 3289 3290 if (old_drv->vd_fini) 3291 old_drv->vd_fini(vd, old_softc); 3292 3293 vd->vd_flags &= ~VDF_DOWNGRADE; 3294 } 3295 3296 VT_UNLOCK(vd); 3297 3298 /* Update windows sizes and initialize last items. */ 3299 vt_upgrade(vd); 3300 3301 /* 3302 * Give a chance to the new backend to run the post-switch code, for 3303 * instance to refresh the screen. 3304 */ 3305 if (vd->vd_driver->vd_postswitch) 3306 vd->vd_driver->vd_postswitch(vd); 3307 3308 #ifdef DEV_SPLASH 3309 if (vd->vd_flags & VDF_SPLASH) 3310 vtterm_splash(vd); 3311 #endif 3312 3313 if (vd->vd_flags & VDF_ASYNC) { 3314 /* Allow to put chars now. */ 3315 terminal_mute(vd->vd_curwindow->vw_terminal, 0); 3316 /* Rerun timer for screen updates. */ 3317 vt_resume_flush_timer(vd->vd_curwindow, 0); 3318 } 3319 3320 /* 3321 * Register as console. If it already registered, cnadd() will ignore 3322 * it. 3323 */ 3324 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal); 3325 } 3326 3327 static void 3328 vt_suspend_handler(void *priv) 3329 { 3330 struct vt_device *vd; 3331 3332 vd = priv; 3333 vd->vd_flags |= VDF_SUSPENDED; 3334 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL) 3335 vd->vd_driver->vd_suspend(vd); 3336 } 3337 3338 static void 3339 vt_resume_handler(void *priv) 3340 { 3341 struct vt_device *vd; 3342 3343 vd = priv; 3344 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL) 3345 vd->vd_driver->vd_resume(vd); 3346 vd->vd_flags &= ~VDF_SUSPENDED; 3347 } 3348 3349 int 3350 vt_allocate(const struct vt_driver *drv, void *softc) 3351 { 3352 3353 if (!vty_enabled(VTY_VT)) 3354 return (EINVAL); 3355 3356 if (main_vd->vd_driver == NULL) { 3357 main_vd->vd_driver = drv; 3358 printf("VT: initialize with new VT driver \"%s\".\n", 3359 drv->vd_name); 3360 } else { 3361 /* 3362 * Check if have rights to replace current driver. For example: 3363 * it is bad idea to replace KMS driver with generic VGA one. 3364 */ 3365 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) { 3366 printf("VT: Driver priority %d too low. Current %d\n ", 3367 drv->vd_priority, main_vd->vd_driver->vd_priority); 3368 return (EEXIST); 3369 } 3370 printf("VT: Replacing driver \"%s\" with new \"%s\".\n", 3371 main_vd->vd_driver->vd_name, drv->vd_name); 3372 } 3373 3374 vt_replace_backend(drv, softc); 3375 3376 return (0); 3377 } 3378 3379 int 3380 vt_deallocate(const struct vt_driver *drv, void *softc) 3381 { 3382 3383 if (!vty_enabled(VTY_VT)) 3384 return (EINVAL); 3385 3386 if (main_vd->vd_prev_driver == NULL || 3387 main_vd->vd_driver != drv || 3388 main_vd->vd_softc != softc) 3389 return (EPERM); 3390 3391 printf("VT: Switching back from \"%s\" to \"%s\".\n", 3392 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name); 3393 3394 vt_replace_backend(NULL, NULL); 3395 3396 return (0); 3397 } 3398 3399 void 3400 vt_suspend(struct vt_device *vd) 3401 { 3402 int error; 3403 3404 if (vt_suspendswitch == 0) 3405 return; 3406 /* Save current window. */ 3407 vd->vd_savedwindow = vd->vd_curwindow; 3408 /* Ask holding process to free window and switch to console window */ 3409 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]); 3410 3411 /* Wait for the window switch to complete. */ 3412 error = 0; 3413 VT_LOCK(vd); 3414 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0) 3415 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 3416 VT_UNLOCK(vd); 3417 } 3418 3419 void 3420 vt_resume(struct vt_device *vd) 3421 { 3422 3423 if (vt_suspendswitch == 0) 3424 return; 3425 /* Switch back to saved window, if any */ 3426 vt_proc_window_switch(vd->vd_savedwindow); 3427 vd->vd_savedwindow = NULL; 3428 } 3429