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 800 123 124 #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(4) 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(4) 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 /* Slow down and dont rely on timers and interrupts */ 136 static VT_SYSCTL_INT(slow_down, 0, "Non-zero make console slower and synchronous."); 137 138 /* Allow to disable some keyboard combinations. */ 139 static VT_SYSCTL_INT(kbd_halt, 1, "Enable halt keyboard combination. " 140 "See kbdmap(5) to configure."); 141 static VT_SYSCTL_INT(kbd_poweroff, 1, "Enable Power Off keyboard combination. " 142 "See kbdmap(5) to configure."); 143 static VT_SYSCTL_INT(kbd_reboot, 1, "Enable reboot keyboard combination. " 144 "See kbdmap(5) to configure (typically Ctrl-Alt-Delete)."); 145 static VT_SYSCTL_INT(kbd_debug, 1, "Enable key combination to enter debugger. " 146 "See kbdmap(5) to configure (typically Ctrl-Alt-Esc)."); 147 static VT_SYSCTL_INT(kbd_panic, 0, "Enable request to panic. " 148 "See kbdmap(5) to configure."); 149 150 /* Used internally, not a tunable. */ 151 int vt_draw_logo_cpus; 152 VT_SYSCTL_INT(splash_cpu, 0, "Show logo CPUs during boot"); 153 VT_SYSCTL_INT(splash_ncpu, 0, "Override number of logos displayed " 154 "(0 = do not override)"); 155 VT_SYSCTL_INT(splash_cpu_style, 2, "Draw logo style " 156 "(0 = Alternate beastie, 1 = Beastie, 2 = Orb)"); 157 VT_SYSCTL_INT(splash_cpu_duration, 10, "Hide logos after (seconds)"); 158 159 static unsigned int vt_unit = 0; 160 static MALLOC_DEFINE(M_VT, "vt", "vt device"); 161 struct vt_device *main_vd = &vt_consdev; 162 163 /* Boot logo. */ 164 extern unsigned int vt_logo_width; 165 extern unsigned int vt_logo_height; 166 extern unsigned int vt_logo_depth; 167 extern unsigned char vt_logo_image[]; 168 #ifndef DEV_SPLASH 169 #define vtterm_draw_cpu_logos(...) do {} while (0) 170 const unsigned int vt_logo_sprite_height; 171 #endif 172 173 /* 174 * Console font. vt_font_loader will be filled with font data passed 175 * by loader. If there is no font passed by boot loader, we use built in 176 * default. 177 */ 178 extern struct vt_font vt_font_default; 179 static struct vt_font vt_font_loader; 180 static struct vt_font *vt_font_assigned = &vt_font_default; 181 182 #ifndef SC_NO_CUTPASTE 183 extern struct vt_mouse_cursor vt_default_mouse_pointer; 184 #endif 185 186 static int signal_vt_rel(struct vt_window *); 187 static int signal_vt_acq(struct vt_window *); 188 static int finish_vt_rel(struct vt_window *, int, int *); 189 static int finish_vt_acq(struct vt_window *); 190 static int vt_window_switch(struct vt_window *); 191 static int vt_late_window_switch(struct vt_window *); 192 static int vt_proc_alive(struct vt_window *); 193 static void vt_resize(struct vt_device *); 194 static void vt_update_static(void *); 195 #ifndef SC_NO_CUTPASTE 196 static void vt_mouse_paste(void); 197 #endif 198 static void vt_suspend_handler(void *priv, enum power_stype stype); 199 static void vt_resume_handler(void *priv, enum power_stype stype); 200 201 SET_DECLARE(vt_drv_set, struct vt_driver); 202 203 #define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)) 204 #define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_MAX_WIDTH)) 205 206 static struct terminal vt_consterm; 207 static struct vt_window vt_conswindow; 208 static term_char_t vt_consdrawn[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 209 static term_color_t vt_consdrawnfg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 210 static term_color_t vt_consdrawnbg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 211 static bool vt_cons_pos_to_flush[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 212 struct vt_device vt_consdev = { 213 .vd_driver = NULL, 214 .vd_softc = NULL, 215 .vd_prev_driver = NULL, 216 .vd_prev_softc = NULL, 217 .vd_flags = VDF_INVALID, 218 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, }, 219 .vd_curwindow = &vt_conswindow, 220 .vd_kbstate = 0, 221 222 #ifndef SC_NO_CUTPASTE 223 .vd_pastebuf = { 224 .vpb_buf = NULL, 225 .vpb_bufsz = 0, 226 .vpb_len = 0 227 }, 228 .vd_mcursor = &vt_default_mouse_pointer, 229 .vd_mcursor_fg = TC_WHITE, 230 .vd_mcursor_bg = TC_BLACK, 231 #endif 232 233 .vd_drawn = vt_consdrawn, 234 .vd_drawnfg = vt_consdrawnfg, 235 .vd_drawnbg = vt_consdrawnbg, 236 237 .vd_pos_to_flush = vt_cons_pos_to_flush, 238 }; 239 static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)]; 240 static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE]; 241 static struct vt_window vt_conswindow = { 242 .vw_number = VT_CONSWINDOW, 243 .vw_flags = VWF_CONSOLE, 244 .vw_buf = { 245 .vb_buffer = &vt_constextbuf[0], 246 .vb_rows = &vt_constextbufrows[0], 247 .vb_history_size = VBF_DEFAULT_HISTORY_SIZE, 248 .vb_curroffset = 0, 249 .vb_roffset = 0, 250 .vb_flags = VBF_STATIC, 251 .vb_mark_start = {.tp_row = 0, .tp_col = 0,}, 252 .vb_mark_end = {.tp_row = 0, .tp_col = 0,}, 253 .vb_scr_size = { 254 .tp_row = _VTDEFH, 255 .tp_col = _VTDEFW, 256 }, 257 }, 258 .vw_device = &vt_consdev, 259 .vw_terminal = &vt_consterm, 260 .vw_kbdmode = K_XLATE, 261 .vw_grabbed = 0, 262 .vw_bell_pitch = VT_BELLPITCH, 263 .vw_bell_duration = VT_BELLDURATION, 264 }; 265 266 /* Add to set of consoles. */ 267 TERMINAL_DECLARE_EARLY(vt_consterm, vt_termclass, &vt_conswindow); 268 269 /* 270 * Right after kmem is done to allow early drivers to use locking and allocate 271 * memory. 272 */ 273 SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static, 274 &vt_consdev); 275 /* Delay until all devices attached, to not waste time. */ 276 SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade, 277 &vt_consdev); 278 279 static bool inside_vt_flush = false; 280 static bool inside_vt_window_switch = false; 281 282 /* Initialize locks/mem depended members. */ 283 static void 284 vt_update_static(void *dummy) 285 { 286 287 if (!vty_enabled(VTY_VT)) 288 return; 289 if (main_vd->vd_driver != NULL) 290 printf("VT(%s): %s %ux%u\n", main_vd->vd_driver->vd_name, 291 (main_vd->vd_flags & VDF_TEXTMODE) ? "text" : "resolution", 292 main_vd->vd_width, main_vd->vd_height); 293 else 294 printf("VT: init without driver.\n"); 295 296 mtx_init(&main_vd->vd_lock, "vtdev", NULL, MTX_DEF); 297 mtx_init(&main_vd->vd_flush_lock, "vtdev flush", NULL, MTX_DEF); 298 cv_init(&main_vd->vd_winswitch, "vtwswt"); 299 } 300 301 static void 302 vt_schedule_flush(struct vt_device *vd, int ms) 303 { 304 305 if (ms <= 0) 306 /* Default to initial value. */ 307 ms = 1000 / VT_TIMERFREQ; 308 309 callout_schedule(&vd->vd_timer, hz / (1000 / ms)); 310 } 311 312 void 313 vt_resume_flush_timer(struct vt_window *vw, int ms) 314 { 315 struct vt_device *vd = vw->vw_device; 316 317 if (vd->vd_curwindow != vw) 318 return; 319 320 if (!(vd->vd_flags & VDF_ASYNC) || 321 !atomic_cmpset_int(&vd->vd_timer_armed, 0, 1)) 322 return; 323 324 vt_schedule_flush(vd, ms); 325 } 326 327 static void 328 vt_suspend_flush_timer(struct vt_device *vd) 329 { 330 /* 331 * As long as this function is called locked, callout_stop() 332 * has the same effect like callout_drain() with regard to 333 * preventing the callback function from executing. 334 */ 335 VT_LOCK_ASSERT(vd, MA_OWNED); 336 337 if (!(vd->vd_flags & VDF_ASYNC) || 338 !atomic_cmpset_int(&vd->vd_timer_armed, 1, 0)) 339 return; 340 341 callout_stop(&vd->vd_timer); 342 } 343 344 static void 345 vt_switch_timer(void *arg, int pending) 346 { 347 348 (void)vt_late_window_switch((struct vt_window *)arg); 349 } 350 351 static int 352 vt_save_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 353 { 354 int mode, ret; 355 356 mode = 0; 357 ret = kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode); 358 if (ret == ENOIOCTL) 359 ret = ENODEV; 360 if (ret != 0) 361 return (ret); 362 363 vw->vw_kbdmode = mode; 364 365 return (0); 366 } 367 368 static int 369 vt_update_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 370 { 371 int ret; 372 373 ret = kbdd_ioctl(kbd, KDSKBMODE, (caddr_t)&vw->vw_kbdmode); 374 if (ret == ENOIOCTL) 375 ret = ENODEV; 376 377 return (ret); 378 } 379 380 static int 381 vt_save_kbd_state(struct vt_window *vw, keyboard_t *kbd) 382 { 383 int state, ret; 384 385 state = 0; 386 ret = kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state); 387 if (ret == ENOIOCTL) 388 ret = ENODEV; 389 if (ret != 0) 390 return (ret); 391 392 vw->vw_kbdstate &= ~LOCK_MASK; 393 vw->vw_kbdstate |= state & LOCK_MASK; 394 395 return (0); 396 } 397 398 static int 399 vt_update_kbd_state(struct vt_window *vw, keyboard_t *kbd) 400 { 401 int state, ret; 402 403 state = vw->vw_kbdstate & LOCK_MASK; 404 ret = kbdd_ioctl(kbd, KDSKBSTATE, (caddr_t)&state); 405 if (ret == ENOIOCTL) 406 ret = ENODEV; 407 408 return (ret); 409 } 410 411 static int 412 vt_save_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 413 { 414 int leds, ret; 415 416 leds = 0; 417 ret = kbdd_ioctl(kbd, KDGETLED, (caddr_t)&leds); 418 if (ret == ENOIOCTL) 419 ret = ENODEV; 420 if (ret != 0) 421 return (ret); 422 423 vw->vw_kbdstate &= ~LED_MASK; 424 vw->vw_kbdstate |= leds & LED_MASK; 425 426 return (0); 427 } 428 429 static int 430 vt_update_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 431 { 432 int leds, ret; 433 434 leds = vw->vw_kbdstate & LED_MASK; 435 ret = kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 436 if (ret == ENOIOCTL) 437 ret = ENODEV; 438 439 return (ret); 440 } 441 442 static int 443 vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw) 444 { 445 446 DPRINTF(40, "%s\n", __func__); 447 curvw->vw_switch_to = vw; 448 /* Set timer to allow switch in case when process hang. */ 449 taskqueue_enqueue_timeout(taskqueue_thread, &vw->vw_timeout_task_dead, hz * vt_deadtimer); 450 /* Notify process about vt switch attempt. */ 451 DPRINTF(30, "%s: Notify process.\n", __func__); 452 signal_vt_rel(curvw); 453 454 return (0); 455 } 456 457 static int 458 vt_window_postswitch(struct vt_window *vw) 459 { 460 461 signal_vt_acq(vw); 462 return (0); 463 } 464 465 /* vt_late_window_switch will do VT switching for regular case. */ 466 static int 467 vt_late_window_switch(struct vt_window *vw) 468 { 469 struct vt_window *curvw; 470 int ret; 471 472 taskqueue_cancel_timeout(taskqueue_thread, &vw->vw_timeout_task_dead, NULL); 473 474 ret = vt_window_switch(vw); 475 if (ret != 0) { 476 /* 477 * If the switch hasn't happened, then return the VT 478 * to the current owner, if any. 479 */ 480 curvw = vw->vw_device->vd_curwindow; 481 if (curvw->vw_smode.mode == VT_PROCESS) 482 (void)vt_window_postswitch(curvw); 483 return (ret); 484 } 485 486 /* Notify owner process about terminal availability. */ 487 if (vw->vw_smode.mode == VT_PROCESS) { 488 ret = vt_window_postswitch(vw); 489 } 490 return (ret); 491 } 492 493 /* Switch window. */ 494 static int 495 vt_proc_window_switch(struct vt_window *vw) 496 { 497 struct vt_window *curvw; 498 struct vt_device *vd; 499 int ret; 500 501 /* Prevent switching to NULL */ 502 if (vw == NULL) { 503 DPRINTF(30, "%s: Cannot switch: vw is NULL.", __func__); 504 return (EINVAL); 505 } 506 vd = vw->vw_device; 507 curvw = vd->vd_curwindow; 508 509 /* Check if virtual terminal is locked */ 510 if (curvw->vw_flags & VWF_VTYLOCK) 511 return (EBUSY); 512 513 /* Check if switch already in progress */ 514 if (curvw->vw_flags & VWF_SWWAIT_REL) { 515 /* Check if switching to same window */ 516 if (curvw->vw_switch_to == vw) { 517 DPRINTF(30, "%s: Switch in progress to same vw.", __func__); 518 return (0); /* success */ 519 } 520 DPRINTF(30, "%s: Switch in progress to different vw.", __func__); 521 return (EBUSY); 522 } 523 524 /* Avoid switching to already selected window */ 525 if (vw == curvw) { 526 DPRINTF(30, "%s: Cannot switch: vw == curvw.", __func__); 527 return (0); /* success */ 528 } 529 530 /* 531 * Early check for an attempt to switch to a non-functional VT. 532 * The same check is done in vt_window_switch(), but it's better 533 * to fail as early as possible to avoid needless pre-switch 534 * actions. 535 */ 536 VT_LOCK(vd); 537 if ((vw->vw_flags & (VWF_OPENED|VWF_CONSOLE)) == 0) { 538 VT_UNLOCK(vd); 539 return (EINVAL); 540 } 541 VT_UNLOCK(vd); 542 543 /* Ask current process permission to switch away. */ 544 if (curvw->vw_smode.mode == VT_PROCESS) { 545 DPRINTF(30, "%s: VT_PROCESS ", __func__); 546 if (vt_proc_alive(curvw) == FALSE) { 547 DPRINTF(30, "Dead. Cleaning."); 548 /* Dead */ 549 } else { 550 DPRINTF(30, "%s: Signaling process.\n", __func__); 551 /* Alive, try to ask him. */ 552 ret = vt_window_preswitch(vw, curvw); 553 /* Wait for process answer or timeout. */ 554 return (ret); 555 } 556 DPRINTF(30, "\n"); 557 } 558 559 ret = vt_late_window_switch(vw); 560 return (ret); 561 } 562 563 /* Switch window ignoring process locking. */ 564 static int 565 vt_window_switch(struct vt_window *vw) 566 { 567 struct vt_device *vd = vw->vw_device; 568 struct vt_window *curvw = vd->vd_curwindow; 569 keyboard_t *kbd; 570 571 if (inside_vt_window_switch && KERNEL_PANICKED()) 572 return (0); 573 574 inside_vt_window_switch = true; 575 576 if (kdb_active) { 577 /* 578 * When grabbing the console for the debugger, avoid 579 * locks as that can result in deadlock. While this 580 * could use try locks, that wouldn't really make a 581 * difference as there are sufficient barriers in 582 * debugger entry/exit to be equivalent to 583 * successfully try-locking here. 584 */ 585 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) { 586 inside_vt_window_switch = false; 587 return (EINVAL); 588 } 589 590 vd->vd_curwindow = vw; 591 vd->vd_flags |= VDF_INVALID; 592 if (vd->vd_driver->vd_postswitch) 593 vd->vd_driver->vd_postswitch(vd); 594 inside_vt_window_switch = false; 595 return (0); 596 } 597 598 VT_LOCK(vd); 599 if (curvw == vw) { 600 /* 601 * Nothing to do, except ensure the driver has the opportunity to 602 * switch to console mode when panicking, making sure the panic 603 * is readable (even when a GUI was using ttyv0). 604 */ 605 if ((kdb_active || KERNEL_PANICKED()) && 606 vd->vd_driver->vd_postswitch) 607 vd->vd_driver->vd_postswitch(vd); 608 inside_vt_window_switch = false; 609 VT_UNLOCK(vd); 610 return (0); 611 } 612 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) { 613 inside_vt_window_switch = false; 614 VT_UNLOCK(vd); 615 return (EINVAL); 616 } 617 618 vt_suspend_flush_timer(vd); 619 620 vd->vd_curwindow = vw; 621 vd->vd_flags |= VDF_INVALID; 622 cv_broadcast(&vd->vd_winswitch); 623 VT_UNLOCK(vd); 624 625 if (vd->vd_driver->vd_postswitch) 626 vd->vd_driver->vd_postswitch(vd); 627 628 vt_resume_flush_timer(vw, 0); 629 630 /* Restore per-window keyboard mode. */ 631 mtx_lock(&Giant); 632 if ((kbd = vd->vd_keyboard) != NULL) { 633 if (curvw->vw_kbdmode == K_XLATE) 634 vt_save_kbd_state(curvw, kbd); 635 636 vt_update_kbd_mode(vw, kbd); 637 vt_update_kbd_state(vw, kbd); 638 } 639 mtx_unlock(&Giant); 640 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number); 641 642 inside_vt_window_switch = false; 643 return (0); 644 } 645 646 void 647 vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size) 648 { 649 650 size->tp_row = vd->vd_height; 651 if (vt_draw_logo_cpus) 652 size->tp_row -= vt_logo_sprite_height; 653 size->tp_col = vd->vd_width; 654 if (vf != NULL) { 655 size->tp_row = MIN(size->tp_row / vf->vf_height, 656 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 657 size->tp_col = MIN(size->tp_col / vf->vf_width, 658 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 659 } 660 } 661 662 static inline void 663 vt_termrect(struct vt_device *vd, struct vt_font *vf, term_rect_t *rect) 664 { 665 666 rect->tr_begin.tp_row = rect->tr_begin.tp_col = 0; 667 if (vt_draw_logo_cpus) 668 rect->tr_begin.tp_row = vt_logo_sprite_height; 669 670 rect->tr_end.tp_row = vd->vd_height; 671 rect->tr_end.tp_col = vd->vd_width; 672 673 if (vf != NULL) { 674 rect->tr_begin.tp_row = 675 howmany(rect->tr_begin.tp_row, vf->vf_height); 676 677 rect->tr_end.tp_row = MIN(rect->tr_end.tp_row / vf->vf_height, 678 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 679 rect->tr_end.tp_col = MIN(rect->tr_end.tp_col / vf->vf_width, 680 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 681 } 682 } 683 684 void 685 vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size) 686 { 687 688 size->ws_ypixel = vd->vd_height; 689 if (vt_draw_logo_cpus) 690 size->ws_ypixel -= vt_logo_sprite_height; 691 size->ws_row = size->ws_ypixel; 692 size->ws_col = size->ws_xpixel = vd->vd_width; 693 if (vf != NULL) { 694 size->ws_row = MIN(size->ws_row / vf->vf_height, 695 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 696 size->ws_col = MIN(size->ws_col / vf->vf_width, 697 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 698 } 699 } 700 701 void 702 vt_compute_drawable_area(struct vt_window *vw) 703 { 704 struct vt_device *vd; 705 struct vt_font *vf; 706 vt_axis_t height; 707 708 vd = vw->vw_device; 709 710 if (vw->vw_font == NULL) { 711 vw->vw_draw_area.tr_begin.tp_col = 0; 712 vw->vw_draw_area.tr_begin.tp_row = 0; 713 if (vt_draw_logo_cpus) 714 vw->vw_draw_area.tr_begin.tp_row = vt_logo_sprite_height; 715 vw->vw_draw_area.tr_end.tp_col = vd->vd_width; 716 vw->vw_draw_area.tr_end.tp_row = vd->vd_height; 717 return; 718 } 719 720 vf = vw->vw_font; 721 722 /* 723 * Compute the drawable area, so that the text is centered on 724 * the screen. 725 */ 726 727 height = vd->vd_height; 728 if (vt_draw_logo_cpus) 729 height -= vt_logo_sprite_height; 730 vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2; 731 vw->vw_draw_area.tr_begin.tp_row = (height % vf->vf_height) / 2; 732 if (vt_draw_logo_cpus) 733 vw->vw_draw_area.tr_begin.tp_row += vt_logo_sprite_height; 734 vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col + 735 rounddown(vd->vd_width, vf->vf_width); 736 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row + 737 rounddown(height, vf->vf_height); 738 } 739 740 static void 741 vt_scroll(struct vt_window *vw, int offset, int whence) 742 { 743 int diff; 744 term_pos_t size; 745 746 if ((vw->vw_flags & VWF_SCROLL) == 0) 747 return; 748 749 vt_termsize(vw->vw_device, vw->vw_font, &size); 750 751 diff = vthistory_seek(&vw->vw_buf, offset, whence); 752 if (diff) 753 vw->vw_device->vd_flags |= VDF_INVALID; 754 vt_resume_flush_timer(vw, 0); 755 } 756 757 static int 758 vt_machine_kbdevent(struct vt_device *vd, int c) 759 { 760 761 switch (c) { 762 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */ 763 if (vt_kbd_debug) { 764 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger"); 765 #if VT_ALT_TO_ESC_HACK 766 /* 767 * There's an unfortunate conflict between SPCLKEY|DBG 768 * and VT_ALT_TO_ESC_HACK. Just assume they didn't mean 769 * it if we got to here. 770 */ 771 vd->vd_kbstate &= ~ALKED; 772 #endif 773 } 774 return (1); 775 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */ 776 if (vt_kbd_halt) 777 shutdown_nice(RB_HALT); 778 return (1); 779 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */ 780 #ifndef SC_NO_CUTPASTE 781 /* Insert text from cut-paste buffer. */ 782 vt_mouse_paste(); 783 #endif 784 break; 785 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */ 786 if (vt_kbd_poweroff) 787 shutdown_nice(RB_HALT|RB_POWEROFF); 788 return (1); 789 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */ 790 /* 791 * Request to immediate panic if sysctl 792 * kern.vt.enable_panic_key allow it. 793 */ 794 if (vt_kbd_panic) 795 panic("Forced by the panic key"); 796 return (1); 797 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */ 798 if (vt_kbd_reboot) 799 shutdown_nice(RB_AUTOBOOT); 800 return (1); 801 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */ 802 /* Force activatation/deactivation of the screen saver. */ 803 /* TODO */ 804 return (1); 805 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */ 806 /* Put machine into Stand-By mode. */ 807 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 808 return (1); 809 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */ 810 /* Suspend machine. */ 811 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 812 return (1); 813 } 814 815 return (0); 816 } 817 818 static void 819 vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console) 820 { 821 struct vt_device *vd; 822 term_pos_t size; 823 824 vd = vw->vw_device; 825 /* Only special keys handled in ScrollLock mode */ 826 if ((c & SPCLKEY) == 0) 827 return; 828 829 c &= ~SPCLKEY; 830 831 if (console == 0) { 832 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 833 vw = vd->vd_windows[c - F_SCR]; 834 vt_proc_window_switch(vw); 835 return; 836 } 837 VT_LOCK(vd); 838 } 839 840 switch (c) { 841 case SLK: { 842 /* Turn scrolling off. */ 843 vt_scroll(vw, 0, VHS_END); 844 VTBUF_SLCK_DISABLE(&vw->vw_buf); 845 vw->vw_flags &= ~VWF_SCROLL; 846 break; 847 } 848 case FKEY | F(49): /* Home key. */ 849 vt_scroll(vw, 0, VHS_SET); 850 break; 851 case FKEY | F(50): /* Arrow up. */ 852 vt_scroll(vw, -1, VHS_CUR); 853 break; 854 case FKEY | F(51): /* Page up. */ 855 vt_termsize(vd, vw->vw_font, &size); 856 vt_scroll(vw, -size.tp_row, VHS_CUR); 857 break; 858 case FKEY | F(57): /* End key. */ 859 vt_scroll(vw, 0, VHS_END); 860 break; 861 case FKEY | F(58): /* Arrow down. */ 862 vt_scroll(vw, 1, VHS_CUR); 863 break; 864 case FKEY | F(59): /* Page down. */ 865 vt_termsize(vd, vw->vw_font, &size); 866 vt_scroll(vw, size.tp_row, VHS_CUR); 867 break; 868 } 869 870 if (console == 0) 871 VT_UNLOCK(vd); 872 } 873 874 static int 875 vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c) 876 { 877 struct vt_window *vw = vd->vd_curwindow; 878 879 #ifdef RANDOM_ENABLE_KBD 880 random_harvest_queue(&c, sizeof(c), RANDOM_KEYBOARD); 881 #endif 882 #if VT_ALT_TO_ESC_HACK 883 if (c & RELKEY) { 884 switch (c & ~RELKEY) { 885 case (SPCLKEY | RALT): 886 if (vt_enable_altgr != 0) 887 break; 888 case (SPCLKEY | LALT): 889 vd->vd_kbstate &= ~ALKED; 890 } 891 /* Other keys ignored for RELKEY event. */ 892 return (0); 893 } else { 894 switch (c & ~RELKEY) { 895 case (SPCLKEY | RALT): 896 if (vt_enable_altgr != 0) 897 break; 898 case (SPCLKEY | LALT): 899 vd->vd_kbstate |= ALKED; 900 } 901 } 902 #else 903 if (c & RELKEY) 904 /* Other keys ignored for RELKEY event. */ 905 return (0); 906 #endif 907 908 if (vt_machine_kbdevent(vd, c)) 909 return (0); 910 911 if (vw->vw_flags & VWF_SCROLL) { 912 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */); 913 /* Scroll mode keys handled, nothing to do more. */ 914 return (0); 915 } 916 917 if (c & SPCLKEY) { 918 c &= ~SPCLKEY; 919 920 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 921 vw = vd->vd_windows[c - F_SCR]; 922 vt_proc_window_switch(vw); 923 return (0); 924 } 925 926 switch (c) { 927 case NEXT: 928 /* Switch to next VT. */ 929 c = (vw->vw_number + 1) % VT_MAXWINDOWS; 930 vw = vd->vd_windows[c]; 931 vt_proc_window_switch(vw); 932 return (0); 933 case PREV: 934 /* Switch to previous VT. */ 935 c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS; 936 vw = vd->vd_windows[c]; 937 vt_proc_window_switch(vw); 938 return (0); 939 case SLK: { 940 vt_save_kbd_state(vw, kbd); 941 VT_LOCK(vd); 942 if (vw->vw_kbdstate & SLKED) { 943 /* Turn scrolling on. */ 944 vw->vw_flags |= VWF_SCROLL; 945 VTBUF_SLCK_ENABLE(&vw->vw_buf); 946 } else { 947 /* Turn scrolling off. */ 948 vw->vw_flags &= ~VWF_SCROLL; 949 VTBUF_SLCK_DISABLE(&vw->vw_buf); 950 vt_scroll(vw, 0, VHS_END); 951 } 952 VT_UNLOCK(vd); 953 break; 954 } 955 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3): 956 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6): 957 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9): 958 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12): 959 /* F1 through F12 keys. */ 960 terminal_input_special(vw->vw_terminal, 961 TKEY_F1 + c - (FKEY | F(1))); 962 break; 963 case FKEY | F(49): /* Home key. */ 964 terminal_input_special(vw->vw_terminal, TKEY_HOME); 965 break; 966 case FKEY | F(50): /* Arrow up. */ 967 terminal_input_special(vw->vw_terminal, TKEY_UP); 968 break; 969 case FKEY | F(51): /* Page up. */ 970 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP); 971 break; 972 case FKEY | F(53): /* Arrow left. */ 973 terminal_input_special(vw->vw_terminal, TKEY_LEFT); 974 break; 975 case FKEY | F(55): /* Arrow right. */ 976 terminal_input_special(vw->vw_terminal, TKEY_RIGHT); 977 break; 978 case FKEY | F(57): /* End key. */ 979 terminal_input_special(vw->vw_terminal, TKEY_END); 980 break; 981 case FKEY | F(58): /* Arrow down. */ 982 terminal_input_special(vw->vw_terminal, TKEY_DOWN); 983 break; 984 case FKEY | F(59): /* Page down. */ 985 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN); 986 break; 987 case FKEY | F(60): /* Insert key. */ 988 terminal_input_special(vw->vw_terminal, TKEY_INSERT); 989 break; 990 case FKEY | F(61): /* Delete key. */ 991 terminal_input_special(vw->vw_terminal, TKEY_DELETE); 992 break; 993 } 994 } else if (KEYFLAGS(c) == 0) { 995 /* Don't do UTF-8 conversion when doing raw mode. */ 996 if (vw->vw_kbdmode == K_XLATE) { 997 #if VT_ALT_TO_ESC_HACK 998 if (vd->vd_kbstate & ALKED) { 999 /* 1000 * Prepend ESC sequence if one of ALT keys down. 1001 */ 1002 terminal_input_char(vw->vw_terminal, 0x1b); 1003 } 1004 #endif 1005 #if defined(KDB) 1006 kdb_alt_break(c, &vd->vd_altbrk); 1007 #endif 1008 terminal_input_char(vw->vw_terminal, KEYCHAR(c)); 1009 } else 1010 terminal_input_raw(vw->vw_terminal, c); 1011 } 1012 return (0); 1013 } 1014 1015 static int 1016 vt_kbdevent(keyboard_t *kbd, int event, void *arg) 1017 { 1018 struct vt_device *vd = arg; 1019 int c; 1020 1021 switch (event) { 1022 case KBDIO_KEYINPUT: 1023 break; 1024 case KBDIO_UNLOADING: 1025 mtx_lock(&Giant); 1026 vd->vd_keyboard = NULL; 1027 kbd_release(kbd, (void *)vd); 1028 mtx_unlock(&Giant); 1029 return (0); 1030 default: 1031 return (EINVAL); 1032 } 1033 1034 while ((c = kbdd_read_char(kbd, 0)) != NOKEY) 1035 vt_processkey(kbd, vd, c); 1036 1037 return (0); 1038 } 1039 1040 static int 1041 vt_allocate_keyboard(struct vt_device *vd) 1042 { 1043 int grabbed, i, idx0, idx; 1044 keyboard_t *k0, *k; 1045 keyboard_info_t ki; 1046 1047 /* 1048 * If vt_upgrade() happens while the console is grabbed, we are 1049 * potentially going to switch keyboard devices while the keyboard is in 1050 * use. Unwind the grabbing of the current keyboard first, then we will 1051 * re-grab the new keyboard below, before we return. 1052 */ 1053 if (vd->vd_curwindow == &vt_conswindow) { 1054 grabbed = vd->vd_curwindow->vw_grabbed; 1055 for (i = 0; i < grabbed; ++i) 1056 vtterm_cnungrab_noswitch(vd, vd->vd_curwindow); 1057 } 1058 1059 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd); 1060 if (idx0 >= 0) { 1061 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0); 1062 k0 = kbd_get_keyboard(idx0); 1063 1064 for (idx = kbd_find_keyboard2("*", -1, 0); 1065 idx != -1; 1066 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 1067 k = kbd_get_keyboard(idx); 1068 1069 if (idx == idx0 || KBD_IS_BUSY(k)) 1070 continue; 1071 1072 bzero(&ki, sizeof(ki)); 1073 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name)); 1074 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0'; 1075 ki.kb_unit = k->kb_unit; 1076 1077 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 1078 } 1079 } else { 1080 DPRINTF(20, "%s: no kbdmux allocated\n", __func__); 1081 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd); 1082 if (idx0 < 0) { 1083 DPRINTF(10, "%s: No keyboard found.\n", __func__); 1084 return (-1); 1085 } 1086 k0 = kbd_get_keyboard(idx0); 1087 } 1088 vd->vd_keyboard = k0; 1089 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, 1090 vd->vd_keyboard->kb_index); 1091 1092 if (vd->vd_curwindow == &vt_conswindow) { 1093 for (i = 0; i < grabbed; ++i) 1094 vtterm_cngrab_noswitch(vd, vd->vd_curwindow); 1095 } 1096 1097 return (idx0); 1098 } 1099 1100 #define DEVCTL_LEN 64 1101 static void 1102 vtterm_devctl(bool enabled, bool hushed, int hz, sbintime_t duration) 1103 { 1104 struct sbuf sb; 1105 char *buf; 1106 1107 buf = malloc(DEVCTL_LEN, M_VT, M_NOWAIT); 1108 if (buf == NULL) 1109 return; 1110 sbuf_new(&sb, buf, DEVCTL_LEN, SBUF_FIXEDLEN); 1111 sbuf_printf(&sb, "enabled=%s hushed=%s hz=%d duration_ms=%d", 1112 enabled ? "true" : "false", hushed ? "true" : "false", 1113 hz, (int)(duration / SBT_1MS)); 1114 sbuf_finish(&sb); 1115 if (sbuf_error(&sb) == 0) 1116 devctl_notify("VT", "BELL", "RING", sbuf_data(&sb)); 1117 sbuf_delete(&sb); 1118 free(buf, M_VT); 1119 } 1120 1121 static void 1122 vtterm_bell(struct terminal *tm) 1123 { 1124 struct vt_window *vw = tm->tm_softc; 1125 struct vt_device *vd = vw->vw_device; 1126 1127 vtterm_devctl(vt_enable_bell, vd->vd_flags & VDF_QUIET_BELL, 1128 vw->vw_bell_pitch, vw->vw_bell_duration); 1129 1130 if (!vt_enable_bell) 1131 return; 1132 1133 if (vd->vd_flags & VDF_QUIET_BELL) 1134 return; 1135 1136 if (vw->vw_bell_pitch == 0 || 1137 vw->vw_bell_duration == 0) 1138 return; 1139 1140 sysbeep(vw->vw_bell_pitch, vw->vw_bell_duration); 1141 } 1142 1143 /* 1144 * Beep with user-provided frequency and duration as specified by a KDMKTONE 1145 * ioctl (compatible with Linux). The frequency is specified as a 8254 PIT 1146 * divisor for a 1.19MHz clock. 1147 * 1148 * See https://tldp.org/LDP/lpg/node83.html. 1149 */ 1150 static void 1151 vtterm_beep(struct terminal *tm, u_int param) 1152 { 1153 u_int freq; 1154 sbintime_t period; 1155 struct vt_window *vw = tm->tm_softc; 1156 struct vt_device *vd = vw->vw_device; 1157 1158 if ((param == 0) || ((param & 0xffff) == 0)) { 1159 vtterm_bell(tm); 1160 return; 1161 } 1162 1163 /* XXX period unit is supposed to be "timer ticks." */ 1164 period = ((param >> 16) & 0xffff) * SBT_1MS; 1165 freq = 1193182 / (param & 0xffff); 1166 1167 vtterm_devctl(vt_enable_bell, vd->vd_flags & VDF_QUIET_BELL, 1168 freq, period); 1169 1170 if (!vt_enable_bell) 1171 return; 1172 1173 sysbeep(freq, period); 1174 } 1175 1176 static void 1177 vtterm_cursor(struct terminal *tm, const term_pos_t *p) 1178 { 1179 struct vt_window *vw = tm->tm_softc; 1180 1181 vtbuf_cursor_position(&vw->vw_buf, p); 1182 } 1183 1184 static void 1185 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c) 1186 { 1187 struct vt_window *vw = tm->tm_softc; 1188 1189 vtbuf_putchar(&vw->vw_buf, p, c); 1190 } 1191 1192 static void 1193 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c) 1194 { 1195 struct vt_window *vw = tm->tm_softc; 1196 1197 vtbuf_fill(&vw->vw_buf, r, c); 1198 } 1199 1200 static void 1201 vtterm_copy(struct terminal *tm, const term_rect_t *r, 1202 const term_pos_t *p) 1203 { 1204 struct vt_window *vw = tm->tm_softc; 1205 1206 vtbuf_copy(&vw->vw_buf, r, p); 1207 } 1208 1209 static void 1210 vtterm_param(struct terminal *tm, int cmd, unsigned int arg) 1211 { 1212 struct vt_window *vw = tm->tm_softc; 1213 1214 switch (cmd) { 1215 case TP_SETLOCALCURSOR: 1216 /* 1217 * 0 means normal (usually block), 1 means hidden, and 1218 * 2 means blinking (always block) for compatibility with 1219 * syscons. We don't support any changes except hiding, 1220 * so must map 2 to 0. 1221 */ 1222 arg = (arg == 1) ? 0 : 1; 1223 /* FALLTHROUGH */ 1224 case TP_SHOWCURSOR: 1225 vtbuf_cursor_visibility(&vw->vw_buf, arg); 1226 vt_resume_flush_timer(vw, 0); 1227 break; 1228 case TP_MOUSE: 1229 vw->vw_mouse_level = arg; 1230 break; 1231 case TP_SETBELLPD: 1232 vw->vw_bell_pitch = TP_SETBELLPD_PITCH(arg); 1233 vw->vw_bell_duration = 1234 TICKS_2_MSEC(TP_SETBELLPD_DURATION(arg)) * SBT_1MS; 1235 break; 1236 } 1237 } 1238 1239 void 1240 vt_determine_colors(term_char_t c, int cursor, 1241 term_color_t *fg, term_color_t *bg) 1242 { 1243 term_color_t tmp; 1244 int invert; 1245 1246 invert = 0; 1247 1248 *fg = TCHAR_FGCOLOR(c); 1249 if (TCHAR_FORMAT(c) & TF_BOLD) 1250 *fg = TCOLOR_LIGHT(*fg); 1251 *bg = TCHAR_BGCOLOR(c); 1252 if (TCHAR_FORMAT(c) & TF_BLINK) 1253 *bg = TCOLOR_LIGHT(*bg); 1254 1255 if (TCHAR_FORMAT(c) & TF_REVERSE) 1256 invert ^= 1; 1257 if (cursor) 1258 invert ^= 1; 1259 1260 if (invert) { 1261 tmp = *fg; 1262 *fg = *bg; 1263 *bg = tmp; 1264 } 1265 } 1266 1267 #ifndef SC_NO_CUTPASTE 1268 int 1269 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area) 1270 { 1271 unsigned int mx, my; 1272 1273 /* 1274 * We use the cursor position saved during the current refresh, 1275 * in case the cursor moved since. 1276 */ 1277 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col; 1278 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row; 1279 1280 if (mx >= area->tr_end.tp_col || 1281 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col || 1282 my >= area->tr_end.tp_row || 1283 my + vd->vd_mcursor->height <= area->tr_begin.tp_row) 1284 return (0); 1285 return (1); 1286 } 1287 1288 static void 1289 vt_mark_mouse_position_as_dirty(struct vt_device *vd, int locked) 1290 { 1291 term_rect_t area; 1292 struct vt_window *vw; 1293 struct vt_font *vf; 1294 int x, y; 1295 1296 vw = vd->vd_curwindow; 1297 vf = vw->vw_font; 1298 1299 x = vd->vd_mx_drawn; 1300 y = vd->vd_my_drawn; 1301 1302 if (vf != NULL) { 1303 area.tr_begin.tp_col = x / vf->vf_width; 1304 area.tr_begin.tp_row = y / vf->vf_height; 1305 area.tr_end.tp_col = 1306 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1; 1307 area.tr_end.tp_row = 1308 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1; 1309 } else { 1310 /* 1311 * No font loaded (ie. vt_vga operating in textmode). 1312 * 1313 * FIXME: This fake area needs to be revisited once the 1314 * mouse cursor is supported in vt_vga's textmode. 1315 */ 1316 area.tr_begin.tp_col = x; 1317 area.tr_begin.tp_row = y; 1318 area.tr_end.tp_col = x + 2; 1319 area.tr_end.tp_row = y + 2; 1320 } 1321 1322 if (!locked) 1323 vtbuf_lock(&vw->vw_buf); 1324 if (vd->vd_driver->vd_invalidate_text) 1325 vd->vd_driver->vd_invalidate_text(vd, &area); 1326 vtbuf_dirty(&vw->vw_buf, &area); 1327 if (!locked) 1328 vtbuf_unlock(&vw->vw_buf); 1329 } 1330 #endif 1331 1332 static void 1333 vt_set_border(struct vt_device *vd, const term_rect_t *area, 1334 term_color_t c) 1335 { 1336 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect; 1337 1338 if (drawrect == NULL) 1339 return; 1340 1341 /* Top bar */ 1342 if (area->tr_begin.tp_row > 0) 1343 drawrect(vd, 0, 0, vd->vd_width - 1, 1344 area->tr_begin.tp_row - 1, 1, c); 1345 1346 /* Left bar */ 1347 if (area->tr_begin.tp_col > 0) 1348 drawrect(vd, 0, area->tr_begin.tp_row, 1349 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c); 1350 1351 /* Right bar */ 1352 if (area->tr_end.tp_col < vd->vd_width) 1353 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row, 1354 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c); 1355 1356 /* Bottom bar */ 1357 if (area->tr_end.tp_row < vd->vd_height) 1358 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1, 1359 vd->vd_height - 1, 1, c); 1360 } 1361 1362 static void 1363 vt_flush_to_buffer(struct vt_device *vd, 1364 const struct vt_window *vw, const term_rect_t *area) 1365 { 1366 unsigned int col, row; 1367 term_char_t c; 1368 term_color_t fg, bg; 1369 size_t z; 1370 1371 for (row = area->tr_begin.tp_row; row < area->tr_end.tp_row; ++row) { 1372 for (col = area->tr_begin.tp_col; col < area->tr_end.tp_col; 1373 ++col) { 1374 z = row * PIXEL_WIDTH(VT_FB_MAX_WIDTH) + col; 1375 if (z >= PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * 1376 PIXEL_WIDTH(VT_FB_MAX_WIDTH)) 1377 continue; 1378 1379 c = VTBUF_GET_FIELD(&vw->vw_buf, row, col); 1380 vt_determine_colors(c, 1381 VTBUF_ISCURSOR(&vw->vw_buf, row, col), &fg, &bg); 1382 1383 if (vd->vd_drawn && (vd->vd_drawn[z] == c) && 1384 vd->vd_drawnfg && (vd->vd_drawnfg[z] == fg) && 1385 vd->vd_drawnbg && (vd->vd_drawnbg[z] == bg)) { 1386 vd->vd_pos_to_flush[z] = false; 1387 continue; 1388 } 1389 1390 vd->vd_pos_to_flush[z] = true; 1391 1392 if (vd->vd_drawn) 1393 vd->vd_drawn[z] = c; 1394 if (vd->vd_drawnfg) 1395 vd->vd_drawnfg[z] = fg; 1396 if (vd->vd_drawnbg) 1397 vd->vd_drawnbg[z] = bg; 1398 } 1399 } 1400 } 1401 1402 static void 1403 vt_bitblt_buffer(struct vt_device *vd, const struct vt_window *vw, 1404 const term_rect_t *area) 1405 { 1406 unsigned int col, row, x, y; 1407 struct vt_font *vf; 1408 term_char_t c; 1409 term_color_t fg, bg; 1410 const uint8_t *pattern; 1411 size_t z; 1412 1413 vf = vw->vw_font; 1414 1415 for (row = area->tr_begin.tp_row; row < area->tr_end.tp_row; ++row) { 1416 for (col = area->tr_begin.tp_col; col < area->tr_end.tp_col; 1417 ++col) { 1418 x = col * vf->vf_width + 1419 vw->vw_draw_area.tr_begin.tp_col; 1420 y = row * vf->vf_height + 1421 vw->vw_draw_area.tr_begin.tp_row; 1422 1423 z = row * PIXEL_WIDTH(VT_FB_MAX_WIDTH) + col; 1424 if (z >= PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * 1425 PIXEL_WIDTH(VT_FB_MAX_WIDTH)) 1426 continue; 1427 if (!vd->vd_pos_to_flush[z]) 1428 continue; 1429 1430 c = vd->vd_drawn[z]; 1431 fg = vd->vd_drawnfg[z]; 1432 bg = vd->vd_drawnbg[z]; 1433 1434 pattern = vtfont_lookup(vf, c); 1435 vd->vd_driver->vd_bitblt_bmp(vd, vw, 1436 pattern, NULL, vf->vf_width, vf->vf_height, 1437 x, y, fg, bg); 1438 } 1439 } 1440 1441 #ifndef SC_NO_CUTPASTE 1442 if (!vd->vd_mshown) 1443 return; 1444 1445 term_rect_t drawn_area; 1446 1447 drawn_area.tr_begin.tp_col = area->tr_begin.tp_col * vf->vf_width; 1448 drawn_area.tr_begin.tp_row = area->tr_begin.tp_row * vf->vf_height; 1449 drawn_area.tr_end.tp_col = area->tr_end.tp_col * vf->vf_width; 1450 drawn_area.tr_end.tp_row = area->tr_end.tp_row * vf->vf_height; 1451 1452 if (vt_is_cursor_in_area(vd, &drawn_area)) { 1453 vd->vd_driver->vd_bitblt_bmp(vd, vw, 1454 vd->vd_mcursor->map, vd->vd_mcursor->mask, 1455 vd->vd_mcursor->width, vd->vd_mcursor->height, 1456 vd->vd_mx_drawn + vw->vw_draw_area.tr_begin.tp_col, 1457 vd->vd_my_drawn + vw->vw_draw_area.tr_begin.tp_row, 1458 vd->vd_mcursor_fg, vd->vd_mcursor_bg); 1459 } 1460 #endif 1461 } 1462 1463 static void 1464 vt_draw_decorations(struct vt_device *vd) 1465 { 1466 struct vt_window *vw; 1467 const teken_attr_t *a; 1468 1469 vw = vd->vd_curwindow; 1470 1471 a = teken_get_curattr(&vw->vw_terminal->tm_emulator); 1472 vt_set_border(vd, &vw->vw_draw_area, a->ta_bgcolor); 1473 1474 if (vt_draw_logo_cpus) 1475 vtterm_draw_cpu_logos(vd); 1476 } 1477 1478 static int 1479 vt_flush(struct vt_device *vd) 1480 { 1481 struct vt_window *vw; 1482 struct vt_font *vf; 1483 term_rect_t tarea; 1484 #ifndef SC_NO_CUTPASTE 1485 int cursor_was_shown, cursor_moved; 1486 #endif 1487 bool needs_refresh; 1488 1489 if (inside_vt_flush && KERNEL_PANICKED()) 1490 return (0); 1491 1492 vw = vd->vd_curwindow; 1493 if (vw == NULL) 1494 return (0); 1495 1496 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY) 1497 return (0); 1498 1499 vf = vw->vw_font; 1500 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL)) 1501 return (0); 1502 1503 VT_FLUSH_LOCK(vd); 1504 1505 vtbuf_lock(&vw->vw_buf); 1506 inside_vt_flush = true; 1507 1508 #ifndef SC_NO_CUTPASTE 1509 cursor_was_shown = vd->vd_mshown; 1510 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn || 1511 vd->vd_my != vd->vd_my_drawn); 1512 1513 /* Check if the cursor should be displayed or not. */ 1514 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */ 1515 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */ 1516 !kdb_active && !KERNEL_PANICKED()) { /* DDB inactive. */ 1517 vd->vd_mshown = 1; 1518 } else { 1519 vd->vd_mshown = 0; 1520 } 1521 1522 /* 1523 * If the cursor changed display state or moved, we must mark 1524 * the old position as dirty, so that it's erased. 1525 */ 1526 if (cursor_was_shown != vd->vd_mshown || 1527 (vd->vd_mshown && cursor_moved)) 1528 vt_mark_mouse_position_as_dirty(vd, true); 1529 1530 /* 1531 * Save position of the mouse cursor. It's used by backends to 1532 * know where to draw the cursor and during the next refresh to 1533 * erase the previous position. 1534 */ 1535 vd->vd_mx_drawn = vd->vd_mx; 1536 vd->vd_my_drawn = vd->vd_my; 1537 1538 /* 1539 * If the cursor is displayed and has moved since last refresh, 1540 * mark the new position as dirty. 1541 */ 1542 if (vd->vd_mshown && cursor_moved) 1543 vt_mark_mouse_position_as_dirty(vd, true); 1544 #endif 1545 1546 vtbuf_undirty(&vw->vw_buf, &tarea); 1547 1548 /* Force a full redraw when the screen contents might be invalid. */ 1549 needs_refresh = false; 1550 if (vd->vd_flags & (VDF_INVALID | VDF_SUSPENDED)) { 1551 needs_refresh = true; 1552 vd->vd_flags &= ~VDF_INVALID; 1553 1554 vt_termrect(vd, vf, &tarea); 1555 if (vd->vd_driver->vd_invalidate_text) 1556 vd->vd_driver->vd_invalidate_text(vd, &tarea); 1557 } 1558 1559 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) { 1560 if (vd->vd_driver->vd_bitblt_after_vtbuf_unlock) { 1561 /* 1562 * When `vd_bitblt_after_vtbuf_unlock` is set to true, 1563 * we first remember the characters to redraw. They are 1564 * already copied to the `vd_drawn` arrays. 1565 * 1566 * We then unlock vt_buf and proceed with the actual 1567 * drawing using the backend driver. 1568 */ 1569 vt_flush_to_buffer(vd, vw, &tarea); 1570 vtbuf_unlock(&vw->vw_buf); 1571 vt_bitblt_buffer(vd, vw, &tarea); 1572 1573 if (needs_refresh) 1574 vt_draw_decorations(vd); 1575 1576 /* 1577 * We can reset `inside_vt_flush` after unlocking vtbuf 1578 * here because we also hold vt_flush_lock in this code 1579 * path. 1580 */ 1581 inside_vt_flush = false; 1582 } else { 1583 /* 1584 * When `vd_bitblt_after_vtbuf_unlock` is false, we use 1585 * the backend's `vd_bitblt_text` callback directly. 1586 */ 1587 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea); 1588 1589 if (needs_refresh) 1590 vt_draw_decorations(vd); 1591 1592 inside_vt_flush = false; 1593 vtbuf_unlock(&vw->vw_buf); 1594 } 1595 1596 VT_FLUSH_UNLOCK(vd); 1597 1598 return (1); 1599 } 1600 1601 inside_vt_flush = false; 1602 vtbuf_unlock(&vw->vw_buf); 1603 1604 VT_FLUSH_UNLOCK(vd); 1605 1606 return (0); 1607 } 1608 1609 static void 1610 vt_timer(void *arg) 1611 { 1612 struct vt_device *vd; 1613 int changed; 1614 1615 vd = arg; 1616 /* Update screen if required. */ 1617 changed = vt_flush(vd); 1618 1619 /* Schedule for next update. */ 1620 if (changed) 1621 vt_schedule_flush(vd, 0); 1622 else 1623 vd->vd_timer_armed = 0; 1624 } 1625 1626 static void 1627 vtterm_pre_input(struct terminal *tm) 1628 { 1629 struct vt_window *vw = tm->tm_softc; 1630 1631 if (inside_vt_flush && KERNEL_PANICKED()) 1632 return; 1633 1634 vtbuf_lock(&vw->vw_buf); 1635 } 1636 1637 static void 1638 vtterm_post_input(struct terminal *tm) 1639 { 1640 struct vt_window *vw = tm->tm_softc; 1641 1642 if (inside_vt_flush && KERNEL_PANICKED()) 1643 return; 1644 1645 vtbuf_unlock(&vw->vw_buf); 1646 vt_resume_flush_timer(vw, 0); 1647 } 1648 1649 static void 1650 vtterm_done(struct terminal *tm) 1651 { 1652 struct vt_window *vw = tm->tm_softc; 1653 struct vt_device *vd = vw->vw_device; 1654 1655 if (kdb_active || KERNEL_PANICKED()) { 1656 /* Switch to the debugger. */ 1657 if (vd->vd_curwindow != vw) { 1658 vd->vd_curwindow = vw; 1659 vd->vd_flags |= VDF_INVALID; 1660 if (vd->vd_driver->vd_postswitch) 1661 vd->vd_driver->vd_postswitch(vd); 1662 } 1663 vd->vd_flags &= ~VDF_SPLASH; 1664 vt_flush(vd); 1665 } else if (vt_slow_down > 0) { 1666 int i, j; 1667 for (i = 0; i < vt_slow_down; i++) { 1668 for (j = 0; j < 1000; j++) 1669 vt_flush(vd); 1670 } 1671 } else if (!(vd->vd_flags & VDF_ASYNC)) { 1672 vt_flush(vd); 1673 } 1674 } 1675 1676 #ifdef DEV_SPLASH 1677 static void 1678 vtterm_splash(struct vt_device *vd) 1679 { 1680 struct splash_info *si; 1681 uintptr_t image; 1682 vt_axis_t top, left; 1683 1684 si = MD_FETCH(preload_kmdp, MODINFOMD_SPLASH, struct splash_info *); 1685 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) { 1686 if (si == NULL) { 1687 top = (vd->vd_height - vt_logo_height) / 2; 1688 left = (vd->vd_width - vt_logo_width) / 2; 1689 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow, 1690 vt_logo_image, NULL, vt_logo_width, vt_logo_height, 1691 left, top, TC_WHITE, TC_BLACK); 1692 } else { 1693 if (si->si_depth != 4) 1694 return; 1695 image = (uintptr_t)si + sizeof(struct splash_info); 1696 image = roundup2(image, 8); 1697 top = (vd->vd_height - si->si_height) / 2; 1698 left = (vd->vd_width - si->si_width) / 2; 1699 vd->vd_driver->vd_bitblt_argb(vd, vd->vd_curwindow, 1700 (unsigned char *)image, si->si_width, si->si_height, 1701 left, top); 1702 } 1703 vd->vd_flags |= VDF_SPLASH; 1704 } 1705 } 1706 #endif 1707 1708 static struct vt_font * 1709 parse_font_info_static(struct font_info *fi) 1710 { 1711 struct vt_font *vfp; 1712 uintptr_t ptr; 1713 uint32_t checksum; 1714 1715 if (fi == NULL) 1716 return (NULL); 1717 1718 ptr = (uintptr_t)fi; 1719 /* 1720 * Compute and verify checksum. The total sum of all the fields 1721 * must be 0. 1722 */ 1723 checksum = fi->fi_width; 1724 checksum += fi->fi_height; 1725 checksum += fi->fi_bitmap_size; 1726 for (unsigned i = 0; i < VFNT_MAPS; i++) 1727 checksum += fi->fi_map_count[i]; 1728 1729 if (checksum + fi->fi_checksum != 0) 1730 return (NULL); 1731 1732 ptr += sizeof(struct font_info); 1733 ptr = roundup2(ptr, 8); 1734 1735 vfp = &vt_font_loader; 1736 vfp->vf_height = fi->fi_height; 1737 vfp->vf_width = fi->fi_width; 1738 /* This is default font, set refcount 1 to disable removal. */ 1739 vfp->vf_refcount = 1; 1740 for (unsigned i = 0; i < VFNT_MAPS; i++) { 1741 if (fi->fi_map_count[i] == 0) 1742 continue; 1743 vfp->vf_map_count[i] = fi->fi_map_count[i]; 1744 vfp->vf_map[i] = (vfnt_map_t *)ptr; 1745 ptr += (fi->fi_map_count[i] * sizeof(vfnt_map_t)); 1746 ptr = roundup2(ptr, 8); 1747 } 1748 vfp->vf_bytes = (uint8_t *)ptr; 1749 return (vfp); 1750 } 1751 1752 /* 1753 * Set up default font with allocated data structures. 1754 * However, we can not set refcount here, because it is already set and 1755 * incremented in vtterm_cnprobe() to avoid being released by font load from 1756 * userland. 1757 */ 1758 static struct vt_font * 1759 parse_font_info(struct font_info *fi) 1760 { 1761 struct vt_font *vfp; 1762 uintptr_t ptr; 1763 uint32_t checksum; 1764 size_t size; 1765 1766 if (fi == NULL) 1767 return (NULL); 1768 1769 ptr = (uintptr_t)fi; 1770 /* 1771 * Compute and verify checksum. The total sum of all the fields 1772 * must be 0. 1773 */ 1774 checksum = fi->fi_width; 1775 checksum += fi->fi_height; 1776 checksum += fi->fi_bitmap_size; 1777 for (unsigned i = 0; i < VFNT_MAPS; i++) 1778 checksum += fi->fi_map_count[i]; 1779 1780 if (checksum + fi->fi_checksum != 0) 1781 return (NULL); 1782 1783 ptr += sizeof(struct font_info); 1784 ptr = roundup2(ptr, 8); 1785 1786 vfp = &vt_font_loader; 1787 vfp->vf_height = fi->fi_height; 1788 vfp->vf_width = fi->fi_width; 1789 for (unsigned i = 0; i < VFNT_MAPS; i++) { 1790 if (fi->fi_map_count[i] == 0) 1791 continue; 1792 vfp->vf_map_count[i] = fi->fi_map_count[i]; 1793 size = fi->fi_map_count[i] * sizeof(vfnt_map_t); 1794 vfp->vf_map[i] = malloc(size, M_VT, M_WAITOK | M_ZERO); 1795 bcopy((vfnt_map_t *)ptr, vfp->vf_map[i], size); 1796 ptr += size; 1797 ptr = roundup2(ptr, 8); 1798 } 1799 vfp->vf_bytes = malloc(fi->fi_bitmap_size, M_VT, M_WAITOK | M_ZERO); 1800 bcopy((uint8_t *)ptr, vfp->vf_bytes, fi->fi_bitmap_size); 1801 return (vfp); 1802 } 1803 1804 static void 1805 vt_init_font(void *arg) 1806 { 1807 struct font_info *fi; 1808 struct vt_font *font; 1809 1810 fi = MD_FETCH(preload_kmdp, MODINFOMD_FONT, struct font_info *); 1811 1812 font = parse_font_info(fi); 1813 if (font != NULL) 1814 vt_font_assigned = font; 1815 } 1816 1817 SYSINIT(vt_init_font, SI_SUB_KMEM, SI_ORDER_ANY, vt_init_font, &vt_consdev); 1818 1819 static void 1820 vt_init_font_static(void) 1821 { 1822 struct font_info *fi; 1823 struct vt_font *font; 1824 1825 fi = MD_FETCH(preload_kmdp, MODINFOMD_FONT, struct font_info *); 1826 1827 font = parse_font_info_static(fi); 1828 if (font != NULL) 1829 vt_font_assigned = font; 1830 } 1831 1832 static void 1833 vtterm_cnprobe(struct terminal *tm, struct consdev *cp) 1834 { 1835 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL; 1836 struct vt_window *vw = tm->tm_softc; 1837 struct vt_device *vd = vw->vw_device; 1838 struct winsize wsz; 1839 const term_attr_t *a; 1840 1841 if (!vty_enabled(VTY_VT)) 1842 return; 1843 1844 if (vd->vd_flags & VDF_INITIALIZED) 1845 /* Initialization already done. */ 1846 return; 1847 1848 SET_FOREACH(vtdlist, vt_drv_set) { 1849 vtd = *vtdlist; 1850 if (vtd->vd_probe == NULL) 1851 continue; 1852 if (vtd->vd_probe(vd) == CN_DEAD) 1853 continue; 1854 if ((vtdbest == NULL) || 1855 (vtd->vd_priority > vtdbest->vd_priority)) 1856 vtdbest = vtd; 1857 } 1858 if (vtdbest == NULL) { 1859 cp->cn_pri = CN_DEAD; 1860 vd->vd_flags |= VDF_DEAD; 1861 } else { 1862 vd->vd_driver = vtdbest; 1863 cp->cn_pri = vd->vd_driver->vd_init(vd); 1864 } 1865 1866 /* Check if driver's vt_init return CN_DEAD. */ 1867 if (cp->cn_pri == CN_DEAD) { 1868 vd->vd_flags |= VDF_DEAD; 1869 } 1870 1871 /* Initialize any early-boot keyboard drivers */ 1872 kbd_configure(KB_CONF_PROBE_ONLY); 1873 1874 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1); 1875 vd->vd_windows[VT_CONSWINDOW] = vw; 1876 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw)); 1877 1878 vt_init_font_static(); 1879 1880 /* Attach default font if not in TEXTMODE. */ 1881 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 1882 vw->vw_font = vtfont_ref(vt_font_assigned); 1883 vt_compute_drawable_area(vw); 1884 } 1885 1886 /* 1887 * The original screen size was faked (_VTDEFW x _VTDEFH). Now 1888 * that we have the real viewable size, fix it in the static 1889 * buffer. 1890 */ 1891 if (vd->vd_width != 0 && vd->vd_height != 0) 1892 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size); 1893 1894 /* We need to access terminal attributes from vtbuf */ 1895 vw->vw_buf.vb_terminal = tm; 1896 vtbuf_init_early(&vw->vw_buf); 1897 vt_winsize(vd, vw->vw_font, &wsz); 1898 a = teken_get_curattr(&tm->tm_emulator); 1899 terminal_set_winsize_blank(tm, &wsz, 1, a); 1900 1901 if (vtdbest != NULL) { 1902 #ifdef DEV_SPLASH 1903 if (!vt_splash_cpu) 1904 vtterm_splash(vd); 1905 #endif 1906 vd->vd_flags |= VDF_INITIALIZED; 1907 } 1908 } 1909 1910 static int 1911 vtterm_cngetc(struct terminal *tm) 1912 { 1913 struct vt_window *vw = tm->tm_softc; 1914 struct vt_device *vd = vw->vw_device; 1915 keyboard_t *kbd; 1916 u_int c; 1917 1918 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1919 return (*vw->vw_kbdsq++); 1920 1921 /* Make sure the splash screen is not there. */ 1922 if (vd->vd_flags & VDF_SPLASH) { 1923 /* Remove splash */ 1924 vd->vd_flags &= ~VDF_SPLASH; 1925 /* Mark screen as invalid to force update */ 1926 vd->vd_flags |= VDF_INVALID; 1927 vt_flush(vd); 1928 } 1929 1930 /* Stripped down keyboard handler. */ 1931 if ((kbd = vd->vd_keyboard) == NULL) 1932 return (-1); 1933 1934 /* Force keyboard input mode to K_XLATE */ 1935 vw->vw_kbdmode = K_XLATE; 1936 vt_update_kbd_mode(vw, kbd); 1937 1938 /* Switch the keyboard to polling to make it work here. */ 1939 kbdd_poll(kbd, TRUE); 1940 c = kbdd_read_char(kbd, 0); 1941 kbdd_poll(kbd, FALSE); 1942 if (c & RELKEY) 1943 return (-1); 1944 1945 if (vw->vw_flags & VWF_SCROLL) { 1946 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */); 1947 vt_flush(vd); 1948 return (-1); 1949 } 1950 1951 /* Stripped down handling of vt_kbdevent(), without locking, etc. */ 1952 if (c & SPCLKEY) { 1953 switch (c) { 1954 case SPCLKEY | SLK: 1955 vt_save_kbd_state(vw, kbd); 1956 if (vw->vw_kbdstate & SLKED) { 1957 /* Turn scrolling on. */ 1958 vw->vw_flags |= VWF_SCROLL; 1959 VTBUF_SLCK_ENABLE(&vw->vw_buf); 1960 } else { 1961 /* Turn scrolling off. */ 1962 vt_scroll(vw, 0, VHS_END); 1963 vw->vw_flags &= ~VWF_SCROLL; 1964 VTBUF_SLCK_DISABLE(&vw->vw_buf); 1965 } 1966 break; 1967 /* XXX: KDB can handle history. */ 1968 case SPCLKEY | FKEY | F(50): /* Arrow up. */ 1969 vw->vw_kbdsq = "\x1b[A"; 1970 break; 1971 case SPCLKEY | FKEY | F(58): /* Arrow down. */ 1972 vw->vw_kbdsq = "\x1b[B"; 1973 break; 1974 case SPCLKEY | FKEY | F(55): /* Arrow right. */ 1975 vw->vw_kbdsq = "\x1b[C"; 1976 break; 1977 case SPCLKEY | FKEY | F(53): /* Arrow left. */ 1978 vw->vw_kbdsq = "\x1b[D"; 1979 break; 1980 } 1981 1982 /* Force refresh to make scrollback work. */ 1983 vt_flush(vd); 1984 } else if (KEYFLAGS(c) == 0) { 1985 return (KEYCHAR(c)); 1986 } 1987 1988 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1989 return (*vw->vw_kbdsq++); 1990 1991 return (-1); 1992 } 1993 1994 /* 1995 * These two do most of what we want to do in vtterm_cnungrab, but without 1996 * actually switching windows. This is necessary for, e.g., 1997 * vt_allocate_keyboard() to get the current keyboard into the state it needs to 1998 * be in without damaging the device's window state. 1999 * 2000 * Both return the current grab count, though it's only used in vtterm_cnungrab. 2001 */ 2002 static int 2003 vtterm_cngrab_noswitch(struct vt_device *vd, struct vt_window *vw) 2004 { 2005 keyboard_t *kbd; 2006 2007 if (vw->vw_grabbed++ > 0) 2008 return (vw->vw_grabbed); 2009 2010 if ((kbd = vd->vd_keyboard) == NULL) 2011 return (1); 2012 2013 /* 2014 * Make sure the keyboard is accessible even when the kbd device 2015 * driver is disabled. 2016 */ 2017 kbdd_enable(kbd); 2018 2019 /* We shall always use the keyboard in the XLATE mode here. */ 2020 vw->vw_prev_kbdmode = vw->vw_kbdmode; 2021 vw->vw_kbdmode = K_XLATE; 2022 vt_update_kbd_mode(vw, kbd); 2023 2024 kbdd_poll(kbd, TRUE); 2025 return (1); 2026 } 2027 2028 static int 2029 vtterm_cnungrab_noswitch(struct vt_device *vd, struct vt_window *vw) 2030 { 2031 keyboard_t *kbd; 2032 2033 if (--vw->vw_grabbed > 0) 2034 return (vw->vw_grabbed); 2035 2036 if ((kbd = vd->vd_keyboard) == NULL) 2037 return (0); 2038 2039 kbdd_poll(kbd, FALSE); 2040 2041 vw->vw_kbdmode = vw->vw_prev_kbdmode; 2042 vt_update_kbd_mode(vw, kbd); 2043 kbdd_disable(kbd); 2044 return (0); 2045 } 2046 2047 static void 2048 vtterm_cngrab(struct terminal *tm) 2049 { 2050 struct vt_device *vd; 2051 struct vt_window *vw; 2052 2053 vw = tm->tm_softc; 2054 vd = vw->vw_device; 2055 2056 /* To be restored after we ungrab. */ 2057 if (vd->vd_grabwindow == NULL) 2058 vd->vd_grabwindow = vd->vd_curwindow; 2059 2060 if (!cold) 2061 vt_window_switch(vw); 2062 2063 vtterm_cngrab_noswitch(vd, vw); 2064 } 2065 2066 static void 2067 vtterm_cnungrab(struct terminal *tm) 2068 { 2069 struct vt_device *vd; 2070 struct vt_window *vw, *grabwindow; 2071 2072 vw = tm->tm_softc; 2073 vd = vw->vw_device; 2074 2075 MPASS(vd->vd_grabwindow != NULL); 2076 if (vtterm_cnungrab_noswitch(vd, vw) != 0) 2077 return; 2078 2079 /* 2080 * We set `vd_grabwindow` to NULL before calling vt_window_switch() 2081 * because it allows the underlying vt(4) backend to distinguish a 2082 * "grab" from an "ungrab" of the console. 2083 * 2084 * This is used by `vt_drmfb` in drm-kmod to call either 2085 * fb_debug_enter() or fb_debug_leave() appropriately. 2086 */ 2087 grabwindow = vd->vd_grabwindow; 2088 vd->vd_grabwindow = NULL; 2089 2090 if (!cold) 2091 vt_window_switch(grabwindow); 2092 } 2093 2094 static void 2095 vtterm_opened(struct terminal *tm, int opened) 2096 { 2097 struct vt_window *vw = tm->tm_softc; 2098 struct vt_device *vd = vw->vw_device; 2099 2100 VT_LOCK(vd); 2101 vd->vd_flags &= ~VDF_SPLASH; 2102 if (opened) 2103 vw->vw_flags |= VWF_OPENED; 2104 else { 2105 vw->vw_flags &= ~VWF_OPENED; 2106 /* TODO: finish ACQ/REL */ 2107 } 2108 VT_UNLOCK(vd); 2109 } 2110 2111 static int 2112 vt_change_font(struct vt_window *vw, struct vt_font *vf) 2113 { 2114 struct vt_device *vd = vw->vw_device; 2115 struct terminal *tm = vw->vw_terminal; 2116 term_pos_t size; 2117 struct winsize wsz; 2118 2119 /* 2120 * Changing fonts. 2121 * 2122 * Changing fonts is a little tricky. We must prevent 2123 * simultaneous access to the device, so we must stop 2124 * the display timer and the terminal from accessing. 2125 * We need to switch fonts and grow our screen buffer. 2126 * 2127 * XXX: Right now the code uses terminal_mute() to 2128 * prevent data from reaching the console driver while 2129 * resizing the screen buffer. This isn't elegant... 2130 */ 2131 2132 VT_LOCK(vd); 2133 if (vw->vw_flags & VWF_BUSY) { 2134 /* Another process is changing the font. */ 2135 VT_UNLOCK(vd); 2136 return (EBUSY); 2137 } 2138 vw->vw_flags |= VWF_BUSY; 2139 VT_UNLOCK(vd); 2140 2141 vt_termsize(vd, vf, &size); 2142 vt_winsize(vd, vf, &wsz); 2143 2144 /* Grow the screen buffer and terminal. */ 2145 terminal_mute(tm, 1); 2146 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 2147 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 2148 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 2149 terminal_mute(tm, 0); 2150 2151 /* Actually apply the font to the current window. */ 2152 VT_LOCK(vd); 2153 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) { 2154 /* 2155 * In case vt_change_font called to update size we don't need 2156 * to update font link. 2157 */ 2158 vtfont_unref(vw->vw_font); 2159 vw->vw_font = vtfont_ref(vf); 2160 } 2161 2162 /* 2163 * Compute the drawable area and move the mouse cursor inside 2164 * it, in case the new area is smaller than the previous one. 2165 */ 2166 vt_compute_drawable_area(vw); 2167 vd->vd_mx = min(vd->vd_mx, 2168 vw->vw_draw_area.tr_end.tp_col - 2169 vw->vw_draw_area.tr_begin.tp_col - 1); 2170 vd->vd_my = min(vd->vd_my, 2171 vw->vw_draw_area.tr_end.tp_row - 2172 vw->vw_draw_area.tr_begin.tp_row - 1); 2173 2174 /* Force a full redraw the next timer tick. */ 2175 if (vd->vd_curwindow == vw) { 2176 vd->vd_flags |= VDF_INVALID; 2177 vt_resume_flush_timer(vw, 0); 2178 } 2179 vw->vw_flags &= ~VWF_BUSY; 2180 VT_UNLOCK(vd); 2181 return (0); 2182 } 2183 2184 static int 2185 vt_proc_alive(struct vt_window *vw) 2186 { 2187 struct proc *p; 2188 2189 if (vw->vw_smode.mode != VT_PROCESS) 2190 return (FALSE); 2191 2192 if (vw->vw_proc) { 2193 if ((p = pfind(vw->vw_pid)) != NULL) 2194 PROC_UNLOCK(p); 2195 if (vw->vw_proc == p) 2196 return (TRUE); 2197 vw->vw_proc = NULL; 2198 vw->vw_smode.mode = VT_AUTO; 2199 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid); 2200 vw->vw_pid = 0; 2201 } 2202 return (FALSE); 2203 } 2204 2205 static int 2206 signal_vt_rel(struct vt_window *vw) 2207 { 2208 2209 if (vw->vw_smode.mode != VT_PROCESS) 2210 return (FALSE); 2211 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 2212 vw->vw_proc = NULL; 2213 vw->vw_pid = 0; 2214 return (TRUE); 2215 } 2216 vw->vw_flags |= VWF_SWWAIT_REL; 2217 PROC_LOCK(vw->vw_proc); 2218 kern_psignal(vw->vw_proc, vw->vw_smode.relsig); 2219 PROC_UNLOCK(vw->vw_proc); 2220 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid); 2221 return (TRUE); 2222 } 2223 2224 static int 2225 signal_vt_acq(struct vt_window *vw) 2226 { 2227 2228 if (vw->vw_smode.mode != VT_PROCESS) 2229 return (FALSE); 2230 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2231 cnavailable(vw->vw_terminal->consdev, FALSE); 2232 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 2233 vw->vw_proc = NULL; 2234 vw->vw_pid = 0; 2235 return (TRUE); 2236 } 2237 vw->vw_flags |= VWF_SWWAIT_ACQ; 2238 PROC_LOCK(vw->vw_proc); 2239 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig); 2240 PROC_UNLOCK(vw->vw_proc); 2241 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid); 2242 return (TRUE); 2243 } 2244 2245 static int 2246 finish_vt_rel(struct vt_window *vw, int release, int *s) 2247 { 2248 2249 if (vw->vw_flags & VWF_SWWAIT_REL) { 2250 vw->vw_flags &= ~VWF_SWWAIT_REL; 2251 if (release) { 2252 taskqueue_drain_timeout(taskqueue_thread, &vw->vw_timeout_task_dead); 2253 (void)vt_late_window_switch(vw->vw_switch_to); 2254 } 2255 return (0); 2256 } 2257 return (EINVAL); 2258 } 2259 2260 static int 2261 finish_vt_acq(struct vt_window *vw) 2262 { 2263 2264 if (vw->vw_flags & VWF_SWWAIT_ACQ) { 2265 vw->vw_flags &= ~VWF_SWWAIT_ACQ; 2266 return (0); 2267 } 2268 return (EINVAL); 2269 } 2270 2271 #ifndef SC_NO_CUTPASTE 2272 static void 2273 vt_mouse_terminput_button(struct vt_device *vd, int button) 2274 { 2275 struct vt_window *vw; 2276 struct vt_font *vf; 2277 char mouseb[6] = "\x1B[M"; 2278 int i, x, y; 2279 2280 vw = vd->vd_curwindow; 2281 vf = vw->vw_font; 2282 2283 /* Translate to char position. */ 2284 x = vd->vd_mx / vf->vf_width; 2285 y = vd->vd_my / vf->vf_height; 2286 /* Avoid overflow. */ 2287 x = MIN(x, 255 - '!'); 2288 y = MIN(y, 255 - '!'); 2289 2290 mouseb[3] = ' ' + button; 2291 mouseb[4] = '!' + x; 2292 mouseb[5] = '!' + y; 2293 2294 for (i = 0; i < sizeof(mouseb); i++) 2295 terminal_input_char(vw->vw_terminal, mouseb[i]); 2296 } 2297 2298 static void 2299 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event, 2300 int cnt) 2301 { 2302 2303 switch (type) { 2304 case MOUSE_BUTTON_EVENT: 2305 if (cnt > 0) { 2306 /* Mouse button pressed. */ 2307 if (event & MOUSE_BUTTON1DOWN) 2308 vt_mouse_terminput_button(vd, 0); 2309 if (event & MOUSE_BUTTON2DOWN) 2310 vt_mouse_terminput_button(vd, 1); 2311 if (event & MOUSE_BUTTON3DOWN) 2312 vt_mouse_terminput_button(vd, 2); 2313 } else { 2314 /* Mouse button released. */ 2315 vt_mouse_terminput_button(vd, 3); 2316 } 2317 break; 2318 #ifdef notyet 2319 case MOUSE_MOTION_EVENT: 2320 if (mouse->u.data.z < 0) { 2321 /* Scroll up. */ 2322 sc_mouse_input_button(vd, 64); 2323 } else if (mouse->u.data.z > 0) { 2324 /* Scroll down. */ 2325 sc_mouse_input_button(vd, 65); 2326 } 2327 break; 2328 #endif 2329 } 2330 } 2331 2332 static void 2333 vt_mouse_paste(void) 2334 { 2335 term_char_t *buf; 2336 int i, len; 2337 2338 len = VD_PASTEBUFLEN(main_vd); 2339 buf = VD_PASTEBUF(main_vd); 2340 len /= sizeof(term_char_t); 2341 for (i = 0; i < len; i++) { 2342 if (TCHAR_CHARACTER(buf[i]) == '\0') 2343 continue; 2344 terminal_input_char(main_vd->vd_curwindow->vw_terminal, 2345 buf[i]); 2346 } 2347 } 2348 2349 void 2350 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel) 2351 { 2352 struct vt_device *vd; 2353 struct vt_window *vw; 2354 struct vt_font *vf; 2355 term_pos_t size; 2356 int len, mark; 2357 2358 vd = main_vd; 2359 vw = vd->vd_curwindow; 2360 vf = vw->vw_font; 2361 2362 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS)) 2363 /* 2364 * Either the mouse is disabled, or the window is in 2365 * "graphics mode". The graphics mode is usually set by 2366 * an X server, using the KDSETMODE ioctl. 2367 */ 2368 return; 2369 2370 if (vf == NULL) /* Text mode. */ 2371 return; 2372 2373 /* 2374 * TODO: add flag about pointer position changed, to not redraw chars 2375 * under mouse pointer when nothing changed. 2376 */ 2377 2378 if (vw->vw_mouse_level > 0) 2379 vt_mouse_terminput(vd, type, x, y, event, cnt); 2380 2381 switch (type) { 2382 case MOUSE_ACTION: 2383 case MOUSE_MOTION_EVENT: 2384 /* Movement */ 2385 x += vd->vd_mx; 2386 y += vd->vd_my; 2387 2388 vt_termsize(vd, vf, &size); 2389 2390 /* Apply limits. */ 2391 x = MAX(x, 0); 2392 y = MAX(y, 0); 2393 x = MIN(x, (size.tp_col * vf->vf_width) - 1); 2394 y = MIN(y, (size.tp_row * vf->vf_height) - 1); 2395 2396 vd->vd_mx = x; 2397 vd->vd_my = y; 2398 if (vd->vd_mstate & (MOUSE_BUTTON1DOWN | VT_MOUSE_EXTENDBUTTON)) 2399 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE, 2400 vd->vd_mx / vf->vf_width, 2401 vd->vd_my / vf->vf_height); 2402 2403 vt_resume_flush_timer(vw, 0); 2404 return; /* Done */ 2405 case MOUSE_BUTTON_EVENT: 2406 /* Buttons */ 2407 break; 2408 default: 2409 return; /* Done */ 2410 } 2411 2412 switch (event) { 2413 case MOUSE_BUTTON1DOWN: 2414 switch (cnt % 4) { 2415 case 0: /* up */ 2416 mark = VTB_MARK_END; 2417 break; 2418 case 1: /* single click: start cut operation */ 2419 mark = VTB_MARK_START; 2420 break; 2421 case 2: /* double click: cut a word */ 2422 mark = VTB_MARK_WORD; 2423 break; 2424 default: /* triple click: cut a line */ 2425 mark = VTB_MARK_ROW; 2426 break; 2427 } 2428 break; 2429 case VT_MOUSE_PASTEBUTTON: 2430 switch (cnt) { 2431 case 0: /* up */ 2432 break; 2433 default: 2434 vt_mouse_paste(); 2435 /* clear paste buffer selection after paste */ 2436 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_START, 2437 vd->vd_mx / vf->vf_width, 2438 vd->vd_my / vf->vf_height); 2439 break; 2440 } 2441 return; /* Done */ 2442 case VT_MOUSE_EXTENDBUTTON: 2443 switch (cnt) { 2444 case 0: /* up */ 2445 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN)) 2446 mark = VTB_MARK_EXTEND; 2447 else 2448 mark = VTB_MARK_NONE; 2449 break; 2450 default: 2451 mark = VTB_MARK_EXTEND; 2452 break; 2453 } 2454 break; 2455 default: 2456 return; /* Done */ 2457 } 2458 2459 /* Save buttons state. */ 2460 if (cnt > 0) 2461 vd->vd_mstate |= event; 2462 else 2463 vd->vd_mstate &= ~event; 2464 2465 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width, 2466 vd->vd_my / vf->vf_height) == 1) { 2467 /* 2468 * We have something marked to copy, so update pointer to 2469 * window with selection. 2470 */ 2471 vt_resume_flush_timer(vw, 0); 2472 2473 switch (mark) { 2474 case VTB_MARK_END: 2475 case VTB_MARK_WORD: 2476 case VTB_MARK_ROW: 2477 case VTB_MARK_EXTEND: 2478 break; 2479 default: 2480 /* Other types of mark do not require to copy data. */ 2481 return; 2482 } 2483 2484 /* Get current selection size in bytes. */ 2485 len = vtbuf_get_marked_len(&vw->vw_buf); 2486 if (len <= 0) 2487 return; 2488 2489 /* Reallocate buffer only if old one is too small. */ 2490 if (len > VD_PASTEBUFSZ(vd)) { 2491 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT, 2492 M_WAITOK | M_ZERO); 2493 /* Update buffer size. */ 2494 VD_PASTEBUFSZ(vd) = len; 2495 } 2496 /* Request copy/paste buffer data, no more than `len' */ 2497 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd), len, mark); 2498 2499 VD_PASTEBUFLEN(vd) = len; 2500 2501 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */ 2502 } 2503 } 2504 2505 void 2506 vt_mouse_state(int show) 2507 { 2508 struct vt_device *vd; 2509 struct vt_window *vw; 2510 2511 vd = main_vd; 2512 vw = vd->vd_curwindow; 2513 2514 switch (show) { 2515 case VT_MOUSE_HIDE: 2516 vw->vw_flags |= VWF_MOUSE_HIDE; 2517 break; 2518 case VT_MOUSE_SHOW: 2519 vw->vw_flags &= ~VWF_MOUSE_HIDE; 2520 break; 2521 } 2522 2523 /* Mark mouse position as dirty. */ 2524 vt_mark_mouse_position_as_dirty(vd, false); 2525 vt_resume_flush_timer(vw, 0); 2526 } 2527 #endif 2528 2529 static int 2530 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr, 2531 int nprot, vm_memattr_t *memattr) 2532 { 2533 struct vt_window *vw = tm->tm_softc; 2534 struct vt_device *vd = vw->vw_device; 2535 2536 if (vd->vd_driver->vd_fb_mmap) 2537 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot, 2538 memattr)); 2539 2540 return (ENXIO); 2541 } 2542 2543 static int 2544 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data, 2545 struct thread *td) 2546 { 2547 struct vt_window *vw = tm->tm_softc; 2548 struct vt_device *vd = vw->vw_device; 2549 keyboard_t *kbd; 2550 int error, i, s; 2551 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 2552 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 2553 int ival; 2554 2555 switch (cmd) { 2556 case _IO('v', 4): 2557 cmd = VT_RELDISP; 2558 break; 2559 case _IO('v', 5): 2560 cmd = VT_ACTIVATE; 2561 break; 2562 case _IO('v', 6): 2563 cmd = VT_WAITACTIVE; 2564 break; 2565 case _IO('K', 20): 2566 cmd = KDSKBSTATE; 2567 break; 2568 case _IO('K', 67): 2569 cmd = KDSETRAD; 2570 break; 2571 case _IO('K', 7): 2572 cmd = KDSKBMODE; 2573 break; 2574 case _IO('K', 8): 2575 cmd = KDMKTONE; 2576 break; 2577 case _IO('K', 10): 2578 cmd = KDSETMODE; 2579 break; 2580 case _IO('K', 13): 2581 cmd = KDSBORDER; 2582 break; 2583 case _IO('K', 63): 2584 cmd = KIOCSOUND; 2585 break; 2586 case _IO('K', 66): 2587 cmd = KDSETLED; 2588 break; 2589 case _IO('c', 104): 2590 cmd = CONS_SETWINORG; 2591 break; 2592 case _IO('c', 110): 2593 cmd = CONS_SETKBD; 2594 break; 2595 default: 2596 goto skip_thunk; 2597 } 2598 ival = IOCPARM_IVAL(data); 2599 data = (caddr_t)&ival; 2600 skip_thunk: 2601 #endif 2602 2603 switch (cmd) { 2604 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 2605 if (*(int *)data & ~0x7f) 2606 return (EINVAL); 2607 /* FALLTHROUGH */ 2608 case GIO_KEYMAP: 2609 case PIO_KEYMAP: 2610 case GIO_DEADKEYMAP: 2611 case PIO_DEADKEYMAP: 2612 #ifdef COMPAT_FREEBSD13 2613 case OGIO_DEADKEYMAP: 2614 case OPIO_DEADKEYMAP: 2615 #endif /* COMPAT_FREEBSD13 */ 2616 case GETFKEY: 2617 case SETFKEY: 2618 case KDGKBINFO: 2619 case KDGKBTYPE: 2620 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 2621 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 2622 case KBADDKBD: /* add keyboard to mux */ 2623 case KBRELKBD: { /* release keyboard from mux */ 2624 error = 0; 2625 2626 mtx_lock(&Giant); 2627 if ((kbd = vd->vd_keyboard) != NULL) 2628 error = kbdd_ioctl(kbd, cmd, data); 2629 mtx_unlock(&Giant); 2630 if (error == ENOIOCTL) { 2631 if (cmd == KDGKBTYPE) { 2632 /* always return something? XXX */ 2633 *(int *)data = 0; 2634 } else { 2635 return (ENODEV); 2636 } 2637 } 2638 return (error); 2639 } 2640 case KDGKBSTATE: { /* get keyboard state (locks) */ 2641 error = 0; 2642 2643 if (vw == vd->vd_curwindow) { 2644 mtx_lock(&Giant); 2645 if ((kbd = vd->vd_keyboard) != NULL) 2646 error = vt_save_kbd_state(vw, kbd); 2647 mtx_unlock(&Giant); 2648 2649 if (error != 0) 2650 return (error); 2651 } 2652 2653 *(int *)data = vw->vw_kbdstate & LOCK_MASK; 2654 2655 return (error); 2656 } 2657 case KDSKBSTATE: { /* set keyboard state (locks) */ 2658 int state; 2659 2660 state = *(int *)data; 2661 if (state & ~LOCK_MASK) 2662 return (EINVAL); 2663 2664 vw->vw_kbdstate &= ~LOCK_MASK; 2665 vw->vw_kbdstate |= state; 2666 2667 error = 0; 2668 if (vw == vd->vd_curwindow) { 2669 mtx_lock(&Giant); 2670 if ((kbd = vd->vd_keyboard) != NULL) 2671 error = vt_update_kbd_state(vw, kbd); 2672 mtx_unlock(&Giant); 2673 } 2674 2675 return (error); 2676 } 2677 case KDGETLED: { /* get keyboard LED status */ 2678 error = 0; 2679 2680 if (vw == vd->vd_curwindow) { 2681 mtx_lock(&Giant); 2682 if ((kbd = vd->vd_keyboard) != NULL) 2683 error = vt_save_kbd_leds(vw, kbd); 2684 mtx_unlock(&Giant); 2685 2686 if (error != 0) 2687 return (error); 2688 } 2689 2690 *(int *)data = vw->vw_kbdstate & LED_MASK; 2691 2692 return (error); 2693 } 2694 case KDSETLED: { /* set keyboard LED status */ 2695 int leds; 2696 2697 leds = *(int *)data; 2698 if (leds & ~LED_MASK) 2699 return (EINVAL); 2700 2701 vw->vw_kbdstate &= ~LED_MASK; 2702 vw->vw_kbdstate |= leds; 2703 2704 error = 0; 2705 if (vw == vd->vd_curwindow) { 2706 mtx_lock(&Giant); 2707 if ((kbd = vd->vd_keyboard) != NULL) 2708 error = vt_update_kbd_leds(vw, kbd); 2709 mtx_unlock(&Giant); 2710 } 2711 2712 return (error); 2713 } 2714 case KDGETMODE: 2715 *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ? 2716 KD_GRAPHICS : KD_TEXT; 2717 return (0); 2718 case KDGKBMODE: { 2719 error = 0; 2720 2721 if (vw == vd->vd_curwindow) { 2722 mtx_lock(&Giant); 2723 if ((kbd = vd->vd_keyboard) != NULL) 2724 error = vt_save_kbd_mode(vw, kbd); 2725 mtx_unlock(&Giant); 2726 2727 if (error != 0) 2728 return (error); 2729 } 2730 2731 *(int *)data = vw->vw_kbdmode; 2732 2733 return (error); 2734 } 2735 case KDSKBMODE: { 2736 int mode; 2737 2738 mode = *(int *)data; 2739 switch (mode) { 2740 case K_XLATE: 2741 case K_RAW: 2742 case K_CODE: 2743 vw->vw_kbdmode = mode; 2744 2745 error = 0; 2746 if (vw == vd->vd_curwindow) { 2747 mtx_lock(&Giant); 2748 if ((kbd = vd->vd_keyboard) != NULL) 2749 error = vt_update_kbd_mode(vw, kbd); 2750 mtx_unlock(&Giant); 2751 } 2752 2753 return (error); 2754 default: 2755 return (EINVAL); 2756 } 2757 } 2758 case FBIOGTYPE: 2759 case FBIO_GETWINORG: /* get frame buffer window origin */ 2760 case FBIO_GETDISPSTART: /* get display start address */ 2761 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 2762 case FBIO_BLANK: /* blank display */ 2763 case FBIO_GETRGBOFFS: /* get RGB offsets */ 2764 if (vd->vd_driver->vd_fb_ioctl) 2765 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td)); 2766 break; 2767 case CONS_BLANKTIME: 2768 /* XXX */ 2769 return (0); 2770 case CONS_HISTORY: 2771 if (*(int *)data < 0) 2772 return EINVAL; 2773 if (*(int *)data != vw->vw_buf.vb_history_size) 2774 vtbuf_sethistory_size(&vw->vw_buf, *(int *)data); 2775 return (0); 2776 case CONS_CLRHIST: 2777 vtbuf_clearhistory(&vw->vw_buf); 2778 /* 2779 * Invalidate the entire visible window; it is not guaranteed 2780 * that this operation will be immediately followed by a scroll 2781 * event, so it would otherwise be possible for prior artifacts 2782 * to remain visible. 2783 */ 2784 VT_LOCK(vd); 2785 if (vw == vd->vd_curwindow) { 2786 vd->vd_flags |= VDF_INVALID; 2787 vt_resume_flush_timer(vw, 0); 2788 } 2789 VT_UNLOCK(vd); 2790 return (0); 2791 case CONS_GET: 2792 /* XXX */ 2793 *(int *)data = M_CG640x480; 2794 return (0); 2795 case CONS_BELLTYPE: /* set bell type sound */ 2796 if ((*(int *)data) & CONS_QUIET_BELL) 2797 vd->vd_flags |= VDF_QUIET_BELL; 2798 else 2799 vd->vd_flags &= ~VDF_QUIET_BELL; 2800 return (0); 2801 case CONS_GETINFO: { 2802 vid_info_t *vi = (vid_info_t *)data; 2803 if (vi->size != sizeof(struct vid_info)) 2804 return (EINVAL); 2805 2806 if (vw == vd->vd_curwindow) { 2807 mtx_lock(&Giant); 2808 if ((kbd = vd->vd_keyboard) != NULL) 2809 vt_save_kbd_state(vw, kbd); 2810 mtx_unlock(&Giant); 2811 } 2812 2813 vi->m_num = vd->vd_curwindow->vw_number + 1; 2814 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK; 2815 /* XXX: other fields! */ 2816 return (0); 2817 } 2818 case CONS_GETVERS: 2819 *(int *)data = 0x200; 2820 return (0); 2821 case CONS_MODEINFO: 2822 /* XXX */ 2823 return (0); 2824 case CONS_MOUSECTL: { 2825 mouse_info_t *mouse = (mouse_info_t*)data; 2826 2827 /* 2828 * All the commands except MOUSE_SHOW nd MOUSE_HIDE 2829 * should not be applied to individual TTYs, but only to 2830 * consolectl. 2831 */ 2832 switch (mouse->operation) { 2833 case MOUSE_HIDE: 2834 if (vd->vd_flags & VDF_MOUSECURSOR) { 2835 vd->vd_flags &= ~VDF_MOUSECURSOR; 2836 #ifndef SC_NO_CUTPASTE 2837 vt_mouse_state(VT_MOUSE_HIDE); 2838 #endif 2839 } 2840 return (0); 2841 case MOUSE_SHOW: 2842 if (!(vd->vd_flags & VDF_MOUSECURSOR)) { 2843 vd->vd_flags |= VDF_MOUSECURSOR; 2844 vd->vd_mx = vd->vd_width / 2; 2845 vd->vd_my = vd->vd_height / 2; 2846 #ifndef SC_NO_CUTPASTE 2847 vt_mouse_state(VT_MOUSE_SHOW); 2848 #endif 2849 } 2850 return (0); 2851 default: 2852 return (EINVAL); 2853 } 2854 } 2855 case PIO_VFONT: { 2856 struct vt_font *vf; 2857 2858 if (vd->vd_flags & VDF_TEXTMODE) 2859 return (ENOTSUP); 2860 2861 error = vtfont_load((void *)data, &vf); 2862 if (error != 0) 2863 return (error); 2864 2865 error = vt_change_font(vw, vf); 2866 vtfont_unref(vf); 2867 return (error); 2868 } 2869 case PIO_VFONT_DEFAULT: { 2870 /* Reset to default font. */ 2871 error = vt_change_font(vw, vt_font_assigned); 2872 return (error); 2873 } 2874 case GIO_SCRNMAP: { 2875 scrmap_t *sm = (scrmap_t *)data; 2876 2877 /* We don't have screen maps, so return a handcrafted one. */ 2878 for (i = 0; i < 256; i++) 2879 sm->scrmap[i] = i; 2880 return (0); 2881 } 2882 case KDSETMODE: 2883 /* 2884 * FIXME: This implementation is incomplete compared to 2885 * syscons. 2886 */ 2887 switch (*(int *)data) { 2888 case KD_TEXT: 2889 case KD_TEXT1: 2890 case KD_PIXEL: 2891 vw->vw_flags &= ~VWF_GRAPHICS; 2892 break; 2893 case KD_GRAPHICS: 2894 vw->vw_flags |= VWF_GRAPHICS; 2895 break; 2896 } 2897 return (0); 2898 case KDENABIO: /* allow io operations */ 2899 error = priv_check(td, PRIV_IO); 2900 if (error != 0) 2901 return (error); 2902 error = securelevel_gt(td->td_ucred, 0); 2903 if (error != 0) 2904 return (error); 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 KDDISABIO: /* disallow io operations (default) */ 2912 #if defined(__i386__) 2913 td->td_frame->tf_eflags &= ~PSL_IOPL; 2914 #elif defined(__amd64__) 2915 td->td_frame->tf_rflags &= ~PSL_IOPL; 2916 #endif 2917 return (0); 2918 case KDMKTONE: /* sound the bell */ 2919 vtterm_beep(tm, *(u_int *)data); 2920 return (0); 2921 case KIOCSOUND: /* make tone (*data) hz */ 2922 /* TODO */ 2923 return (0); 2924 case CONS_SETKBD: /* set the new keyboard */ 2925 mtx_lock(&Giant); 2926 error = 0; 2927 if (vd->vd_keyboard == NULL || 2928 vd->vd_keyboard->kb_index != *(int *)data) { 2929 kbd = kbd_get_keyboard(*(int *)data); 2930 if (kbd == NULL) { 2931 mtx_unlock(&Giant); 2932 return (EINVAL); 2933 } 2934 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, 2935 (void *)vd, vt_kbdevent, vd); 2936 if (i >= 0) { 2937 if ((kbd = vd->vd_keyboard) != NULL) { 2938 vt_save_kbd_state(vd->vd_curwindow, kbd); 2939 kbd_release(kbd, (void *)vd); 2940 } 2941 kbd = vd->vd_keyboard = kbd_get_keyboard(i); 2942 2943 vt_update_kbd_mode(vd->vd_curwindow, kbd); 2944 vt_update_kbd_state(vd->vd_curwindow, kbd); 2945 } else { 2946 error = EPERM; /* XXX */ 2947 } 2948 } 2949 mtx_unlock(&Giant); 2950 return (error); 2951 case CONS_RELKBD: /* release the current keyboard */ 2952 mtx_lock(&Giant); 2953 error = 0; 2954 if ((kbd = vd->vd_keyboard) != NULL) { 2955 vt_save_kbd_state(vd->vd_curwindow, kbd); 2956 error = kbd_release(kbd, (void *)vd); 2957 if (error == 0) { 2958 vd->vd_keyboard = NULL; 2959 } 2960 } 2961 mtx_unlock(&Giant); 2962 return (error); 2963 case VT_ACTIVATE: { 2964 int win; 2965 win = *(int *)data - 1; 2966 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME, 2967 VT_UNIT(vw), win); 2968 if ((win >= VT_MAXWINDOWS) || (win < 0)) 2969 return (EINVAL); 2970 return (vt_proc_window_switch(vd->vd_windows[win])); 2971 } 2972 case VT_GETACTIVE: 2973 *(int *)data = vd->vd_curwindow->vw_number + 1; 2974 return (0); 2975 case VT_GETINDEX: 2976 *(int *)data = vw->vw_number + 1; 2977 return (0); 2978 case VT_LOCKSWITCH: 2979 /* TODO: Check current state, switching can be in progress. */ 2980 if ((*(int *)data) == 0x01) 2981 vw->vw_flags |= VWF_VTYLOCK; 2982 else if ((*(int *)data) == 0x02) 2983 vw->vw_flags &= ~VWF_VTYLOCK; 2984 else 2985 return (EINVAL); 2986 return (0); 2987 case VT_OPENQRY: 2988 VT_LOCK(vd); 2989 for (i = 0; i < VT_MAXWINDOWS; i++) { 2990 vw = vd->vd_windows[i]; 2991 if (vw == NULL) 2992 continue; 2993 if (!(vw->vw_flags & VWF_OPENED)) { 2994 *(int *)data = vw->vw_number + 1; 2995 VT_UNLOCK(vd); 2996 return (0); 2997 } 2998 } 2999 VT_UNLOCK(vd); 3000 return (EINVAL); 3001 case VT_WAITACTIVE: { 3002 unsigned int idx; 3003 3004 error = 0; 3005 3006 idx = *(unsigned int *)data; 3007 if (idx > VT_MAXWINDOWS) 3008 return (EINVAL); 3009 if (idx > 0) 3010 vw = vd->vd_windows[idx - 1]; 3011 3012 VT_LOCK(vd); 3013 while (vd->vd_curwindow != vw && error == 0) 3014 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 3015 VT_UNLOCK(vd); 3016 return (error); 3017 } 3018 case VT_SETMODE: { /* set screen switcher mode */ 3019 struct vt_mode *mode; 3020 struct proc *p1; 3021 3022 mode = (struct vt_mode *)data; 3023 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw)); 3024 if (vw->vw_smode.mode == VT_PROCESS) { 3025 p1 = pfind(vw->vw_pid); 3026 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) { 3027 if (p1) 3028 PROC_UNLOCK(p1); 3029 DPRINTF(5, "error EPERM\n"); 3030 return (EPERM); 3031 } 3032 if (p1) 3033 PROC_UNLOCK(p1); 3034 } 3035 if (mode->mode == VT_AUTO) { 3036 vw->vw_smode.mode = VT_AUTO; 3037 vw->vw_proc = NULL; 3038 vw->vw_pid = 0; 3039 DPRINTF(5, "VT_AUTO, "); 3040 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 3041 cnavailable(vw->vw_terminal->consdev, TRUE); 3042 /* were we in the middle of the vty switching process? */ 3043 if (finish_vt_rel(vw, TRUE, &s) == 0) 3044 DPRINTF(5, "reset WAIT_REL, "); 3045 if (finish_vt_acq(vw) == 0) 3046 DPRINTF(5, "reset WAIT_ACQ, "); 3047 return (0); 3048 } else if (mode->mode == VT_PROCESS) { 3049 if (!ISSIGVALID(mode->relsig) || 3050 !ISSIGVALID(mode->acqsig) || 3051 !ISSIGVALID(mode->frsig)) { 3052 DPRINTF(5, "error EINVAL\n"); 3053 return (EINVAL); 3054 } 3055 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid); 3056 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode)); 3057 vw->vw_proc = td->td_proc; 3058 vw->vw_pid = vw->vw_proc->p_pid; 3059 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 3060 cnavailable(vw->vw_terminal->consdev, FALSE); 3061 } else { 3062 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n", 3063 mode->mode); 3064 return (EINVAL); 3065 } 3066 DPRINTF(5, "\n"); 3067 return (0); 3068 } 3069 case VT_GETMODE: /* get screen switcher mode */ 3070 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode)); 3071 return (0); 3072 3073 case VT_RELDISP: /* screen switcher ioctl */ 3074 /* 3075 * This must be the current vty which is in the VT_PROCESS 3076 * switching mode... 3077 */ 3078 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode != 3079 VT_PROCESS)) { 3080 return (EINVAL); 3081 } 3082 /* ...and this process is controlling it. */ 3083 if (vw->vw_proc != td->td_proc) { 3084 return (EPERM); 3085 } 3086 error = EINVAL; 3087 switch(*(int *)data) { 3088 case VT_FALSE: /* user refuses to release screen, abort */ 3089 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0) 3090 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n", 3091 SC_DRIVER_NAME, VT_UNIT(vw)); 3092 break; 3093 case VT_TRUE: /* user has released screen, go on */ 3094 /* finish_vt_rel(..., TRUE, ...) should not be locked */ 3095 if (vw->vw_flags & VWF_SWWAIT_REL) { 3096 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0) 3097 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n", 3098 SC_DRIVER_NAME, VT_UNIT(vw)); 3099 } else { 3100 error = EINVAL; 3101 } 3102 return (error); 3103 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 3104 if ((error = finish_vt_acq(vw)) == 0) 3105 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n", 3106 SC_DRIVER_NAME, VT_UNIT(vw)); 3107 break; 3108 default: 3109 break; 3110 } 3111 return (error); 3112 } 3113 3114 return (ENOIOCTL); 3115 } 3116 3117 static struct vt_window * 3118 vt_allocate_window(struct vt_device *vd, unsigned int window) 3119 { 3120 struct vt_window *vw; 3121 struct terminal *tm; 3122 term_pos_t size; 3123 struct winsize wsz; 3124 3125 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO); 3126 vw->vw_device = vd; 3127 vw->vw_number = window; 3128 vw->vw_kbdmode = K_XLATE; 3129 3130 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 3131 vw->vw_font = vtfont_ref(vt_font_assigned); 3132 vt_compute_drawable_area(vw); 3133 } 3134 3135 vt_termsize(vd, vw->vw_font, &size); 3136 vt_winsize(vd, vw->vw_font, &wsz); 3137 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw); 3138 vw->vw_buf.vb_terminal = tm; /* must be set before vtbuf_init() */ 3139 vtbuf_init(&vw->vw_buf, &size); 3140 3141 terminal_set_winsize(tm, &wsz); 3142 vd->vd_windows[window] = vw; 3143 TIMEOUT_TASK_INIT(taskqueue_thread, &vw->vw_timeout_task_dead, 0, &vt_switch_timer, vw); 3144 3145 return (vw); 3146 } 3147 3148 void 3149 vt_upgrade(struct vt_device *vd) 3150 { 3151 struct vt_window *vw; 3152 unsigned int i; 3153 int register_handlers; 3154 3155 if (!vty_enabled(VTY_VT)) 3156 return; 3157 if (main_vd->vd_driver == NULL) 3158 return; 3159 3160 for (i = 0; i < VT_MAXWINDOWS; i++) { 3161 vw = vd->vd_windows[i]; 3162 if (vw == NULL) { 3163 /* New window. */ 3164 vw = vt_allocate_window(vd, i); 3165 } 3166 if (!(vw->vw_flags & VWF_READY)) { 3167 TIMEOUT_TASK_INIT(taskqueue_thread, &vw->vw_timeout_task_dead, 0, &vt_switch_timer, vw); 3168 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw)); 3169 vw->vw_flags |= VWF_READY; 3170 if (vw->vw_flags & VWF_CONSOLE) { 3171 /* For existing console window. */ 3172 EVENTHANDLER_REGISTER(shutdown_pre_sync, 3173 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT); 3174 } 3175 } 3176 } 3177 VT_LOCK(vd); 3178 if (vd->vd_curwindow == NULL) 3179 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW]; 3180 3181 register_handlers = 0; 3182 if (!(vd->vd_flags & VDF_ASYNC)) { 3183 /* Attach keyboard. */ 3184 vt_allocate_keyboard(vd); 3185 3186 /* Init 25 Hz timer. */ 3187 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0); 3188 3189 /* 3190 * Start timer when everything ready. 3191 * Note that the operations here are purposefully ordered. 3192 * We need to ensure vd_timer_armed is non-zero before we set 3193 * the VDF_ASYNC flag. That prevents this function from 3194 * racing with vt_resume_flush_timer() to update the 3195 * callout structure. 3196 */ 3197 atomic_add_acq_int(&vd->vd_timer_armed, 1); 3198 vd->vd_flags |= VDF_ASYNC; 3199 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd); 3200 register_handlers = 1; 3201 } 3202 3203 VT_UNLOCK(vd); 3204 3205 /* Refill settings with new sizes. */ 3206 vt_resize(vd); 3207 3208 if (register_handlers) { 3209 /* Register suspend/resume handlers. */ 3210 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler, 3211 vd, EVENTHANDLER_PRI_ANY); 3212 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd, 3213 EVENTHANDLER_PRI_ANY); 3214 } 3215 } 3216 3217 static void 3218 vt_resize(struct vt_device *vd) 3219 { 3220 struct vt_window *vw; 3221 int i; 3222 3223 for (i = 0; i < VT_MAXWINDOWS; i++) { 3224 vw = vd->vd_windows[i]; 3225 VT_LOCK(vd); 3226 /* Assign default font to window, if not textmode. */ 3227 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL) 3228 vw->vw_font = vtfont_ref(vt_font_assigned); 3229 VT_UNLOCK(vd); 3230 3231 /* Resize terminal windows */ 3232 while (vt_change_font(vw, vw->vw_font) == EBUSY) { 3233 DPRINTF(100, "%s: vt_change_font() is busy, " 3234 "window %d\n", __func__, i); 3235 } 3236 } 3237 } 3238 3239 static void 3240 vt_replace_backend(const struct vt_driver *drv, void *softc) 3241 { 3242 struct vt_device *vd; 3243 3244 vd = main_vd; 3245 3246 if (vd->vd_flags & VDF_ASYNC) { 3247 /* Stop vt_flush periodic task. */ 3248 VT_LOCK(vd); 3249 vt_suspend_flush_timer(vd); 3250 VT_UNLOCK(vd); 3251 /* 3252 * Mute current terminal until we done. vt_change_font (called 3253 * from vt_resize) will unmute it. 3254 */ 3255 terminal_mute(vd->vd_curwindow->vw_terminal, 1); 3256 } 3257 3258 /* 3259 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will 3260 * set it. 3261 */ 3262 VT_LOCK(vd); 3263 vd->vd_flags &= ~VDF_TEXTMODE; 3264 3265 if (drv != NULL) { 3266 /* 3267 * We want to upgrade from the current driver to the 3268 * given driver. 3269 */ 3270 3271 vd->vd_prev_driver = vd->vd_driver; 3272 vd->vd_prev_softc = vd->vd_softc; 3273 vd->vd_driver = drv; 3274 vd->vd_softc = softc; 3275 3276 vd->vd_driver->vd_init(vd); 3277 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) { 3278 /* 3279 * No driver given: we want to downgrade to the previous 3280 * driver. 3281 */ 3282 const struct vt_driver *old_drv; 3283 void *old_softc; 3284 3285 old_drv = vd->vd_driver; 3286 old_softc = vd->vd_softc; 3287 3288 vd->vd_driver = vd->vd_prev_driver; 3289 vd->vd_softc = vd->vd_prev_softc; 3290 vd->vd_prev_driver = NULL; 3291 vd->vd_prev_softc = NULL; 3292 3293 vd->vd_flags |= VDF_DOWNGRADE; 3294 3295 vd->vd_driver->vd_init(vd); 3296 3297 if (old_drv->vd_fini) 3298 old_drv->vd_fini(vd, old_softc); 3299 3300 vd->vd_flags &= ~VDF_DOWNGRADE; 3301 } 3302 3303 VT_UNLOCK(vd); 3304 3305 /* Update windows sizes and initialize last items. */ 3306 vt_upgrade(vd); 3307 3308 /* 3309 * Give a chance to the new backend to run the post-switch code, for 3310 * instance to refresh the screen. 3311 */ 3312 if (vd->vd_driver->vd_postswitch) 3313 vd->vd_driver->vd_postswitch(vd); 3314 3315 #ifdef DEV_SPLASH 3316 if (vd->vd_flags & VDF_SPLASH) 3317 vtterm_splash(vd); 3318 #endif 3319 3320 if (vd->vd_flags & VDF_ASYNC) { 3321 /* Allow to put chars now. */ 3322 terminal_mute(vd->vd_curwindow->vw_terminal, 0); 3323 /* Rerun timer for screen updates. */ 3324 vt_resume_flush_timer(vd->vd_curwindow, 0); 3325 } 3326 3327 /* 3328 * Register as console. If it already registered, cnadd() will ignore 3329 * it. 3330 */ 3331 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal); 3332 } 3333 3334 static void 3335 vt_suspend_handler(void *priv, enum power_stype stype) 3336 { 3337 struct vt_device *vd; 3338 3339 vd = priv; 3340 vd->vd_flags |= VDF_SUSPENDED; 3341 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL) 3342 vd->vd_driver->vd_suspend(vd); 3343 } 3344 3345 static void 3346 vt_resume_handler(void *priv, enum power_stype stype) 3347 { 3348 struct vt_device *vd; 3349 3350 vd = priv; 3351 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL) 3352 vd->vd_driver->vd_resume(vd); 3353 vd->vd_flags &= ~VDF_SUSPENDED; 3354 } 3355 3356 int 3357 vt_allocate(const struct vt_driver *drv, void *softc) 3358 { 3359 3360 if (!vty_enabled(VTY_VT)) 3361 return (EINVAL); 3362 3363 if (main_vd->vd_driver == NULL) { 3364 main_vd->vd_driver = drv; 3365 printf("VT: initialize with new VT driver \"%s\".\n", 3366 drv->vd_name); 3367 } else { 3368 /* 3369 * Check if have rights to replace current driver. For example: 3370 * it is bad idea to replace KMS driver with generic VGA one. 3371 */ 3372 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) { 3373 printf("VT: Driver priority %d too low. Current %d\n ", 3374 drv->vd_priority, main_vd->vd_driver->vd_priority); 3375 return (EEXIST); 3376 } 3377 printf("VT: Replacing driver \"%s\" with new \"%s\".\n", 3378 main_vd->vd_driver->vd_name, drv->vd_name); 3379 } 3380 3381 vt_replace_backend(drv, softc); 3382 3383 return (0); 3384 } 3385 3386 int 3387 vt_deallocate(const struct vt_driver *drv, void *softc) 3388 { 3389 3390 if (!vty_enabled(VTY_VT)) 3391 return (EINVAL); 3392 3393 if (main_vd->vd_prev_driver == NULL || 3394 main_vd->vd_driver != drv || 3395 main_vd->vd_softc != softc) 3396 return (EPERM); 3397 3398 printf("VT: Switching back from \"%s\" to \"%s\".\n", 3399 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name); 3400 3401 vt_replace_backend(NULL, NULL); 3402 3403 return (0); 3404 } 3405 3406 void 3407 vt_suspend(struct vt_device *vd) 3408 { 3409 int error; 3410 3411 if (vt_suspendswitch == 0) 3412 return; 3413 /* Save current window. */ 3414 vd->vd_savedwindow = vd->vd_curwindow; 3415 /* Ask holding process to free window and switch to console window */ 3416 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]); 3417 3418 /* Wait for the window switch to complete. */ 3419 error = 0; 3420 VT_LOCK(vd); 3421 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0) 3422 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 3423 VT_UNLOCK(vd); 3424 } 3425 3426 void 3427 vt_resume(struct vt_device *vd) 3428 { 3429 3430 if (vt_suspendswitch == 0) 3431 return; 3432 /* Switch back to saved window, if any */ 3433 vt_proc_window_switch(vd->vd_savedwindow); 3434 vd->vd_savedwindow = NULL; 3435 } 3436