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