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