1/*- 2 * Copyright (c) 2009, 2013 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Ed Schouten under sponsorship from the 6 * FreeBSD Foundation. 7 * 8 * Portions of this software were developed by Oleksandr Rybalko 9 * under sponsorship from the FreeBSD Foundation. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: stable/10/sys/dev/vt/vt_core.c 321198 2017-07-19 13:11:35Z emaste $"); 35 36#include "opt_compat.h" 37 38#include <sys/param.h> 39#include <sys/consio.h> 40#include <sys/eventhandler.h> 41#include <sys/fbio.h> 42#include <sys/kbio.h> 43#include <sys/kdb.h> 44#include <sys/kernel.h> 45#include <sys/lock.h> 46#include <sys/malloc.h> 47#include <sys/mutex.h> 48#include <sys/power.h> 49#include <sys/priv.h> 50#include <sys/proc.h> 51#include <sys/reboot.h> 52#include <sys/systm.h> 53#include <sys/terminal.h> 54 55#include <dev/kbd/kbdreg.h> 56#include <dev/vt/vt.h> 57 58#if defined(__i386__) || defined(__amd64__) 59#include <machine/psl.h> 60#include <machine/frame.h> 61#endif 62 63static tc_bell_t vtterm_bell; 64static tc_cursor_t vtterm_cursor; 65static tc_putchar_t vtterm_putchar; 66static tc_fill_t vtterm_fill; 67static tc_copy_t vtterm_copy; 68static tc_param_t vtterm_param; 69static tc_done_t vtterm_done; 70 71static tc_cnprobe_t vtterm_cnprobe; 72static tc_cngetc_t vtterm_cngetc; 73 74static tc_cngrab_t vtterm_cngrab; 75static tc_cnungrab_t vtterm_cnungrab; 76 77static tc_opened_t vtterm_opened; 78static tc_ioctl_t vtterm_ioctl; 79static tc_mmap_t vtterm_mmap; 80 81const struct terminal_class vt_termclass = { 82 .tc_bell = vtterm_bell, 83 .tc_cursor = vtterm_cursor, 84 .tc_putchar = vtterm_putchar, 85 .tc_fill = vtterm_fill, 86 .tc_copy = vtterm_copy, 87 .tc_param = vtterm_param, 88 .tc_done = vtterm_done, 89 90 .tc_cnprobe = vtterm_cnprobe, 91 .tc_cngetc = vtterm_cngetc, 92 93 .tc_cngrab = vtterm_cngrab, 94 .tc_cnungrab = vtterm_cnungrab, 95 96 .tc_opened = vtterm_opened, 97 .tc_ioctl = vtterm_ioctl, 98 .tc_mmap = vtterm_mmap, 99}; 100 101/* 102 * Use a constant timer of 25 Hz to redraw the screen. 103 * 104 * XXX: In theory we should only fire up the timer when there is really 105 * activity. Unfortunately we cannot always start timers. We really 106 * don't want to process kernel messages synchronously, because it 107 * really slows down the system. 108 */ 109#define VT_TIMERFREQ 25 110 111/* Bell pitch/duration. */ 112#define VT_BELLDURATION ((5 * hz + 99) / 100) 113#define VT_BELLPITCH 800 114 115#define VT_LOCK(vd) mtx_lock(&(vd)->vd_lock) 116#define VT_UNLOCK(vd) mtx_unlock(&(vd)->vd_lock) 117#define VT_LOCK_ASSERT(vd, what) mtx_assert(&(vd)->vd_lock, what) 118 119#define VT_UNIT(vw) ((vw)->vw_device->vd_unit * VT_MAXWINDOWS + \ 120 (vw)->vw_number) 121 122static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD, 0, "vt(9) parameters"); 123VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)"); 124VT_SYSCTL_INT(enable_bell, 1, "Enable bell"); 125VT_SYSCTL_INT(debug, 0, "vt(9) debug level"); 126VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode"); 127VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend"); 128 129/* Allow to disable some keyboard combinations. */ 130VT_SYSCTL_INT(kbd_halt, 1, "Enable halt keyboard combination. " 131 "See kbdmap(5) to configure."); 132VT_SYSCTL_INT(kbd_poweroff, 1, "Enable Power Off keyboard combination. " 133 "See kbdmap(5) to configure."); 134VT_SYSCTL_INT(kbd_reboot, 1, "Enable reboot keyboard combination. " 135 "See kbdmap(5) to configure (typically Ctrl-Alt-Delete)."); 136VT_SYSCTL_INT(kbd_debug, 1, "Enable key combination to enter debugger. " 137 "See kbdmap(5) to configure (typically Ctrl-Alt-Esc)."); 138VT_SYSCTL_INT(kbd_panic, 0, "Enable request to panic. " 139 "See kbdmap(5) to configure."); 140 141static struct vt_device vt_consdev; 142static unsigned int vt_unit = 0; 143static MALLOC_DEFINE(M_VT, "vt", "vt device"); 144struct vt_device *main_vd = &vt_consdev; 145 146/* Boot logo. */ 147extern unsigned int vt_logo_width; 148extern unsigned int vt_logo_height; 149extern unsigned int vt_logo_depth; 150extern unsigned char vt_logo_image[]; 151 152/* Font. */ 153extern struct vt_font vt_font_default; 154#ifndef SC_NO_CUTPASTE 155extern struct vt_mouse_cursor vt_default_mouse_pointer; 156#endif 157 158static int signal_vt_rel(struct vt_window *); 159static int signal_vt_acq(struct vt_window *); 160static int finish_vt_rel(struct vt_window *, int, int *); 161static int finish_vt_acq(struct vt_window *); 162static int vt_window_switch(struct vt_window *); 163static int vt_late_window_switch(struct vt_window *); 164static int vt_proc_alive(struct vt_window *); 165static void vt_resize(struct vt_device *); 166static void vt_update_static(void *); 167#ifndef SC_NO_CUTPASTE 168static void vt_mouse_paste(void); 169#endif 170static void vt_suspend_handler(void *priv); 171static void vt_resume_handler(void *priv); 172 173SET_DECLARE(vt_drv_set, struct vt_driver); 174 175#define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)) 176#define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_MAX_WIDTH)) 177 178static struct terminal vt_consterm; 179static struct vt_window vt_conswindow; 180static struct vt_device vt_consdev = { 181 .vd_driver = NULL, 182 .vd_softc = NULL, 183 .vd_flags = VDF_INVALID, 184 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, }, 185 .vd_curwindow = &vt_conswindow, 186 .vd_kbstate = 0, 187 188#ifndef SC_NO_CUTPASTE 189 .vd_pastebuf = { 190 .vpb_buf = NULL, 191 .vpb_bufsz = 0, 192 .vpb_len = 0 193 }, 194 .vd_mcursor = &vt_default_mouse_pointer, 195 .vd_mcursor_fg = TC_WHITE, 196 .vd_mcursor_bg = TC_BLACK, 197#endif 198}; 199static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)]; 200static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE]; 201static struct vt_window vt_conswindow = { 202 .vw_number = VT_CONSWINDOW, 203 .vw_flags = VWF_CONSOLE, 204 .vw_buf = { 205 .vb_buffer = &vt_constextbuf[0], 206 .vb_rows = &vt_constextbufrows[0], 207 .vb_history_size = VBF_DEFAULT_HISTORY_SIZE, 208 .vb_curroffset = 0, 209 .vb_roffset = 0, 210 .vb_flags = VBF_STATIC, 211 .vb_mark_start = {.tp_row = 0, .tp_col = 0,}, 212 .vb_mark_end = {.tp_row = 0, .tp_col = 0,}, 213 .vb_scr_size = { 214 .tp_row = _VTDEFH, 215 .tp_col = _VTDEFW, 216 }, 217 }, 218 .vw_device = &vt_consdev, 219 .vw_terminal = &vt_consterm, 220 .vw_kbdmode = K_XLATE, 221 .vw_grabbed = 0, 222}; 223static struct terminal vt_consterm = { 224 .tm_class = &vt_termclass, 225 .tm_softc = &vt_conswindow, 226 .tm_flags = TF_CONS, 227}; 228static struct consdev vt_consterm_consdev = { 229 .cn_ops = &termcn_cnops, 230 .cn_arg = &vt_consterm, 231 .cn_name = "ttyv0", 232}; 233 234/* Add to set of consoles. */ 235DATA_SET(cons_set, vt_consterm_consdev); 236 237/* 238 * Right after kmem is done to allow early drivers to use locking and allocate 239 * memory. 240 */ 241SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static, 242 &vt_consdev); 243/* Delay until all devices attached, to not waste time. */ 244SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade, 245 &vt_consdev); 246 247/* Initialize locks/mem depended members. */ 248static void 249vt_update_static(void *dummy) 250{ 251 252 if (!vty_enabled(VTY_VT)) 253 return; 254 if (main_vd->vd_driver != NULL) 255 printf("VT(%s): %s %ux%u\n", main_vd->vd_driver->vd_name, 256 (main_vd->vd_flags & VDF_TEXTMODE) ? "text" : "resolution", 257 main_vd->vd_width, main_vd->vd_height); 258 else 259 printf("VT: init without driver.\n"); 260 261 mtx_init(&main_vd->vd_lock, "vtdev", NULL, MTX_DEF); 262 cv_init(&main_vd->vd_winswitch, "vtwswt"); 263} 264 265static void 266vt_schedule_flush(struct vt_device *vd, int ms) 267{ 268 269 if (ms <= 0) 270 /* Default to initial value. */ 271 ms = 1000 / VT_TIMERFREQ; 272 273 callout_schedule(&vd->vd_timer, hz / (1000 / ms)); 274} 275 276static void 277vt_resume_flush_timer(struct vt_device *vd, int ms) 278{ 279 280 if (!(vd->vd_flags & VDF_ASYNC) || 281 !atomic_cmpset_int(&vd->vd_timer_armed, 0, 1)) 282 return; 283 284 vt_schedule_flush(vd, ms); 285} 286 287static void 288vt_suspend_flush_timer(struct vt_device *vd) 289{ 290 /* 291 * As long as this function is called locked, callout_stop() 292 * has the same effect like callout_drain() with regard to 293 * preventing the callback function from executing. 294 */ 295 VT_LOCK_ASSERT(vd, MA_OWNED); 296 297 if (!(vd->vd_flags & VDF_ASYNC) || 298 !atomic_cmpset_int(&vd->vd_timer_armed, 1, 0)) 299 return; 300 301 callout_stop(&vd->vd_timer); 302} 303 304static void 305vt_switch_timer(void *arg) 306{ 307 308 vt_late_window_switch((struct vt_window *)arg); 309} 310 311static int 312vt_save_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 313{ 314 int mode, ret; 315 316 mode = 0; 317 ret = kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode); 318 if (ret == ENOIOCTL) 319 ret = ENODEV; 320 if (ret != 0) 321 return (ret); 322 323 vw->vw_kbdmode = mode; 324 325 return (0); 326} 327 328static int 329vt_update_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 330{ 331 int ret; 332 333 ret = kbdd_ioctl(kbd, KDSKBMODE, (caddr_t)&vw->vw_kbdmode); 334 if (ret == ENOIOCTL) 335 ret = ENODEV; 336 337 return (ret); 338} 339 340static int 341vt_save_kbd_state(struct vt_window *vw, keyboard_t *kbd) 342{ 343 int state, ret; 344 345 state = 0; 346 ret = kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state); 347 if (ret == ENOIOCTL) 348 ret = ENODEV; 349 if (ret != 0) 350 return (ret); 351 352 vw->vw_kbdstate &= ~LOCK_MASK; 353 vw->vw_kbdstate |= state & LOCK_MASK; 354 355 return (0); 356} 357 358static int 359vt_update_kbd_state(struct vt_window *vw, keyboard_t *kbd) 360{ 361 int state, ret; 362 363 state = vw->vw_kbdstate & LOCK_MASK; 364 ret = kbdd_ioctl(kbd, KDSKBSTATE, (caddr_t)&state); 365 if (ret == ENOIOCTL) 366 ret = ENODEV; 367 368 return (ret); 369} 370 371static int 372vt_save_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 373{ 374 int leds, ret; 375 376 leds = 0; 377 ret = kbdd_ioctl(kbd, KDGETLED, (caddr_t)&leds); 378 if (ret == ENOIOCTL) 379 ret = ENODEV; 380 if (ret != 0) 381 return (ret); 382 383 vw->vw_kbdstate &= ~LED_MASK; 384 vw->vw_kbdstate |= leds & LED_MASK; 385 386 return (0); 387} 388 389static int 390vt_update_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 391{ 392 int leds, ret; 393 394 leds = vw->vw_kbdstate & LED_MASK; 395 ret = kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 396 if (ret == ENOIOCTL) 397 ret = ENODEV; 398 399 return (ret); 400} 401 402static int 403vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw) 404{ 405 406 DPRINTF(40, "%s\n", __func__); 407 curvw->vw_switch_to = vw; 408 /* Set timer to allow switch in case when process hang. */ 409 callout_reset(&vw->vw_proc_dead_timer, hz * vt_deadtimer, 410 vt_switch_timer, (void *)vw); 411 /* Notify process about vt switch attempt. */ 412 DPRINTF(30, "%s: Notify process.\n", __func__); 413 signal_vt_rel(curvw); 414 415 return (0); 416} 417 418static int 419vt_window_postswitch(struct vt_window *vw) 420{ 421 422 signal_vt_acq(vw); 423 return (0); 424} 425 426/* vt_late_window_switch will done VT switching for regular case. */ 427static int 428vt_late_window_switch(struct vt_window *vw) 429{ 430 int ret; 431 432 callout_stop(&vw->vw_proc_dead_timer); 433 434 ret = vt_window_switch(vw); 435 if (ret) 436 return (ret); 437 438 /* Notify owner process about terminal availability. */ 439 if (vw->vw_smode.mode == VT_PROCESS) { 440 ret = vt_window_postswitch(vw); 441 } 442 return (ret); 443} 444 445/* Switch window. */ 446static int 447vt_proc_window_switch(struct vt_window *vw) 448{ 449 struct vt_window *curvw; 450 struct vt_device *vd; 451 int ret; 452 453 /* Prevent switching to NULL */ 454 if (vw == NULL) { 455 DPRINTF(30, "%s: Cannot switch: vw is NULL.", __func__); 456 return (EINVAL); 457 } 458 vd = vw->vw_device; 459 curvw = vd->vd_curwindow; 460 461 /* Check if virtual terminal is locked */ 462 if (curvw->vw_flags & VWF_VTYLOCK) 463 return (EBUSY); 464 465 /* Check if switch already in progress */ 466 if (curvw->vw_flags & VWF_SWWAIT_REL) { 467 /* Check if switching to same window */ 468 if (curvw->vw_switch_to == vw) { 469 DPRINTF(30, "%s: Switch in progress to same vw.", __func__); 470 return (0); /* success */ 471 } 472 DPRINTF(30, "%s: Switch in progress to different vw.", __func__); 473 return (EBUSY); 474 } 475 476 /* Avoid switching to already selected window */ 477 if (vw == curvw) { 478 DPRINTF(30, "%s: Cannot switch: vw == curvw.", __func__); 479 return (0); /* success */ 480 } 481 482 /* Ask current process permission to switch away. */ 483 if (curvw->vw_smode.mode == VT_PROCESS) { 484 DPRINTF(30, "%s: VT_PROCESS ", __func__); 485 if (vt_proc_alive(curvw) == FALSE) { 486 DPRINTF(30, "Dead. Cleaning."); 487 /* Dead */ 488 } else { 489 DPRINTF(30, "%s: Signaling process.\n", __func__); 490 /* Alive, try to ask him. */ 491 ret = vt_window_preswitch(vw, curvw); 492 /* Wait for process answer or timeout. */ 493 return (ret); 494 } 495 DPRINTF(30, "\n"); 496 } 497 498 ret = vt_late_window_switch(vw); 499 return (ret); 500} 501 502/* Switch window ignoring process locking. */ 503static int 504vt_window_switch(struct vt_window *vw) 505{ 506 struct vt_device *vd = vw->vw_device; 507 struct vt_window *curvw = vd->vd_curwindow; 508 keyboard_t *kbd; 509 510 VT_LOCK(vd); 511 if (curvw == vw) { 512 /* Nothing to do. */ 513 VT_UNLOCK(vd); 514 return (0); 515 } 516 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) { 517 VT_UNLOCK(vd); 518 return (EINVAL); 519 } 520 521 vt_suspend_flush_timer(vd); 522 523 vd->vd_curwindow = vw; 524 vd->vd_flags |= VDF_INVALID; 525 cv_broadcast(&vd->vd_winswitch); 526 VT_UNLOCK(vd); 527 528 if (vd->vd_driver->vd_postswitch) 529 vd->vd_driver->vd_postswitch(vd); 530 531 vt_resume_flush_timer(vd, 0); 532 533 /* Restore per-window keyboard mode. */ 534 mtx_lock(&Giant); 535 kbd = kbd_get_keyboard(vd->vd_keyboard); 536 if (kbd != NULL) { 537 if (curvw->vw_kbdmode == K_XLATE) 538 vt_save_kbd_state(curvw, kbd); 539 540 vt_update_kbd_mode(vw, kbd); 541 vt_update_kbd_state(vw, kbd); 542 } 543 mtx_unlock(&Giant); 544 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number); 545 546 return (0); 547} 548 549static inline void 550vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size) 551{ 552 553 size->tp_row = vd->vd_height; 554 size->tp_col = vd->vd_width; 555 if (vf != NULL) { 556 size->tp_row /= vf->vf_height; 557 size->tp_col /= vf->vf_width; 558 } 559} 560 561static inline void 562vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size) 563{ 564 565 size->ws_row = size->ws_ypixel = vd->vd_height; 566 size->ws_col = size->ws_xpixel = vd->vd_width; 567 if (vf != NULL) { 568 size->ws_row /= vf->vf_height; 569 size->ws_col /= vf->vf_width; 570 } 571} 572 573static inline void 574vt_compute_drawable_area(struct vt_window *vw) 575{ 576 struct vt_device *vd; 577 struct vt_font *vf; 578 579 vd = vw->vw_device; 580 581 if (vw->vw_font == NULL) { 582 vw->vw_draw_area.tr_begin.tp_col = 0; 583 vw->vw_draw_area.tr_begin.tp_row = 0; 584 vw->vw_draw_area.tr_end.tp_col = vd->vd_width; 585 vw->vw_draw_area.tr_end.tp_row = vd->vd_height; 586 return; 587 } 588 589 vf = vw->vw_font; 590 591 /* 592 * Compute the drawable area, so that the text is centered on 593 * the screen. 594 */ 595 596 vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2; 597 vw->vw_draw_area.tr_begin.tp_row = (vd->vd_height % vf->vf_height) / 2; 598 vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col + 599 vd->vd_width / vf->vf_width * vf->vf_width; 600 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row + 601 vd->vd_height / vf->vf_height * vf->vf_height; 602} 603 604static void 605vt_scroll(struct vt_window *vw, int offset, int whence) 606{ 607 int diff; 608 term_pos_t size; 609 610 if ((vw->vw_flags & VWF_SCROLL) == 0) 611 return; 612 613 vt_termsize(vw->vw_device, vw->vw_font, &size); 614 615 diff = vthistory_seek(&vw->vw_buf, offset, whence); 616 if (diff) 617 vw->vw_device->vd_flags |= VDF_INVALID; 618 vt_resume_flush_timer(vw->vw_device, 0); 619} 620 621static int 622vt_machine_kbdevent(int c) 623{ 624 625 switch (c) { 626 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */ 627 if (vt_kbd_debug) 628 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger"); 629 return (1); 630 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */ 631 if (vt_kbd_halt) 632 shutdown_nice(RB_HALT); 633 return (1); 634 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */ 635#ifndef SC_NO_CUTPASTE 636 /* Insert text from cut-paste buffer. */ 637 vt_mouse_paste(); 638#endif 639 break; 640 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */ 641 if (vt_kbd_poweroff) 642 shutdown_nice(RB_HALT|RB_POWEROFF); 643 return (1); 644 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */ 645 /* 646 * Request to immediate panic if sysctl 647 * kern.vt.enable_panic_key allow it. 648 */ 649 if (vt_kbd_panic) 650 panic("Forced by the panic key"); 651 return (1); 652 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */ 653 if (vt_kbd_reboot) 654 shutdown_nice(RB_AUTOBOOT); 655 return (1); 656 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */ 657 /* Force activatation/deactivation of the screen saver. */ 658 /* TODO */ 659 return (1); 660 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */ 661 /* Put machine into Stand-By mode. */ 662 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 663 return (1); 664 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */ 665 /* Suspend machine. */ 666 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 667 return (1); 668 }; 669 670 return (0); 671} 672 673static void 674vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console) 675{ 676 struct vt_device *vd; 677 term_pos_t size; 678 679 vd = vw->vw_device; 680 /* Only special keys handled in ScrollLock mode */ 681 if ((c & SPCLKEY) == 0) 682 return; 683 684 c &= ~SPCLKEY; 685 686 if (console == 0) { 687 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 688 vw = vd->vd_windows[c - F_SCR]; 689 vt_proc_window_switch(vw); 690 return; 691 } 692 VT_LOCK(vd); 693 } 694 695 switch (c) { 696 case SLK: { 697 /* Turn scrolling off. */ 698 vt_scroll(vw, 0, VHS_END); 699 VTBUF_SLCK_DISABLE(&vw->vw_buf); 700 vw->vw_flags &= ~VWF_SCROLL; 701 break; 702 } 703 case FKEY | F(49): /* Home key. */ 704 vt_scroll(vw, 0, VHS_SET); 705 break; 706 case FKEY | F(50): /* Arrow up. */ 707 vt_scroll(vw, -1, VHS_CUR); 708 break; 709 case FKEY | F(51): /* Page up. */ 710 vt_termsize(vd, vw->vw_font, &size); 711 vt_scroll(vw, -size.tp_row, VHS_CUR); 712 break; 713 case FKEY | F(57): /* End key. */ 714 vt_scroll(vw, 0, VHS_END); 715 break; 716 case FKEY | F(58): /* Arrow down. */ 717 vt_scroll(vw, 1, VHS_CUR); 718 break; 719 case FKEY | F(59): /* Page down. */ 720 vt_termsize(vd, vw->vw_font, &size); 721 vt_scroll(vw, size.tp_row, VHS_CUR); 722 break; 723 } 724 725 if (console == 0) 726 VT_UNLOCK(vd); 727} 728 729static int 730vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c) 731{ 732 struct vt_window *vw = vd->vd_curwindow; 733 734#if VT_ALT_TO_ESC_HACK 735 if (c & RELKEY) { 736 switch (c & ~RELKEY) { 737 case (SPCLKEY | RALT): 738 if (vt_enable_altgr != 0) 739 break; 740 case (SPCLKEY | LALT): 741 vd->vd_kbstate &= ~ALKED; 742 } 743 /* Other keys ignored for RELKEY event. */ 744 return (0); 745 } else { 746 switch (c & ~RELKEY) { 747 case (SPCLKEY | RALT): 748 if (vt_enable_altgr != 0) 749 break; 750 case (SPCLKEY | LALT): 751 vd->vd_kbstate |= ALKED; 752 } 753 } 754#else 755 if (c & RELKEY) 756 /* Other keys ignored for RELKEY event. */ 757 return (0); 758#endif 759 760 if (vt_machine_kbdevent(c)) 761 return (0); 762 763 if (vw->vw_flags & VWF_SCROLL) { 764 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */); 765 /* Scroll mode keys handled, nothing to do more. */ 766 return (0); 767 } 768 769 if (c & SPCLKEY) { 770 c &= ~SPCLKEY; 771 772 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 773 vw = vd->vd_windows[c - F_SCR]; 774 vt_proc_window_switch(vw); 775 return (0); 776 } 777 778 switch (c) { 779 case NEXT: 780 /* Switch to next VT. */ 781 c = (vw->vw_number + 1) % VT_MAXWINDOWS; 782 vw = vd->vd_windows[c]; 783 vt_proc_window_switch(vw); 784 return (0); 785 case PREV: 786 /* Switch to previous VT. */ 787 c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS; 788 vw = vd->vd_windows[c]; 789 vt_proc_window_switch(vw); 790 return (0); 791 case SLK: { 792 vt_save_kbd_state(vw, kbd); 793 VT_LOCK(vd); 794 if (vw->vw_kbdstate & SLKED) { 795 /* Turn scrolling on. */ 796 vw->vw_flags |= VWF_SCROLL; 797 VTBUF_SLCK_ENABLE(&vw->vw_buf); 798 } else { 799 /* Turn scrolling off. */ 800 vw->vw_flags &= ~VWF_SCROLL; 801 VTBUF_SLCK_DISABLE(&vw->vw_buf); 802 vt_scroll(vw, 0, VHS_END); 803 } 804 VT_UNLOCK(vd); 805 break; 806 } 807 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3): 808 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6): 809 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9): 810 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12): 811 /* F1 through F12 keys. */ 812 terminal_input_special(vw->vw_terminal, 813 TKEY_F1 + c - (FKEY | F(1))); 814 break; 815 case FKEY | F(49): /* Home key. */ 816 terminal_input_special(vw->vw_terminal, TKEY_HOME); 817 break; 818 case FKEY | F(50): /* Arrow up. */ 819 terminal_input_special(vw->vw_terminal, TKEY_UP); 820 break; 821 case FKEY | F(51): /* Page up. */ 822 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP); 823 break; 824 case FKEY | F(53): /* Arrow left. */ 825 terminal_input_special(vw->vw_terminal, TKEY_LEFT); 826 break; 827 case FKEY | F(55): /* Arrow right. */ 828 terminal_input_special(vw->vw_terminal, TKEY_RIGHT); 829 break; 830 case FKEY | F(57): /* End key. */ 831 terminal_input_special(vw->vw_terminal, TKEY_END); 832 break; 833 case FKEY | F(58): /* Arrow down. */ 834 terminal_input_special(vw->vw_terminal, TKEY_DOWN); 835 break; 836 case FKEY | F(59): /* Page down. */ 837 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN); 838 break; 839 case FKEY | F(60): /* Insert key. */ 840 terminal_input_special(vw->vw_terminal, TKEY_INSERT); 841 break; 842 case FKEY | F(61): /* Delete key. */ 843 terminal_input_special(vw->vw_terminal, TKEY_DELETE); 844 break; 845 } 846 } else if (KEYFLAGS(c) == 0) { 847 /* Don't do UTF-8 conversion when doing raw mode. */ 848 if (vw->vw_kbdmode == K_XLATE) { 849#if VT_ALT_TO_ESC_HACK 850 if (vd->vd_kbstate & ALKED) { 851 /* 852 * Prepend ESC sequence if one of ALT keys down. 853 */ 854 terminal_input_char(vw->vw_terminal, 0x1b); 855 } 856#endif 857#if defined(KDB) 858 kdb_alt_break(c, &vd->vd_altbrk); 859#endif 860 terminal_input_char(vw->vw_terminal, KEYCHAR(c)); 861 } else 862 terminal_input_raw(vw->vw_terminal, c); 863 } 864 return (0); 865} 866 867static int 868vt_kbdevent(keyboard_t *kbd, int event, void *arg) 869{ 870 struct vt_device *vd = arg; 871 int c; 872 873 switch (event) { 874 case KBDIO_KEYINPUT: 875 break; 876 case KBDIO_UNLOADING: 877 mtx_lock(&Giant); 878 vd->vd_keyboard = -1; 879 kbd_release(kbd, (void *)vd); 880 mtx_unlock(&Giant); 881 return (0); 882 default: 883 return (EINVAL); 884 } 885 886 while ((c = kbdd_read_char(kbd, 0)) != NOKEY) 887 vt_processkey(kbd, vd, c); 888 889 return (0); 890} 891 892static int 893vt_allocate_keyboard(struct vt_device *vd) 894{ 895 int idx0, idx; 896 keyboard_t *k0, *k; 897 keyboard_info_t ki; 898 899 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd); 900 if (idx0 >= 0) { 901 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0); 902 k0 = kbd_get_keyboard(idx0); 903 904 for (idx = kbd_find_keyboard2("*", -1, 0); 905 idx != -1; 906 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 907 k = kbd_get_keyboard(idx); 908 909 if (idx == idx0 || KBD_IS_BUSY(k)) 910 continue; 911 912 bzero(&ki, sizeof(ki)); 913 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name)); 914 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0'; 915 ki.kb_unit = k->kb_unit; 916 917 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 918 } 919 } else { 920 DPRINTF(20, "%s: no kbdmux allocated\n", __func__); 921 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd); 922 if (idx0 < 0) { 923 DPRINTF(10, "%s: No keyboard found.\n", __func__); 924 return (-1); 925 } 926 } 927 vd->vd_keyboard = idx0; 928 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard); 929 930 return (idx0); 931} 932 933static void 934vtterm_bell(struct terminal *tm) 935{ 936 struct vt_window *vw = tm->tm_softc; 937 struct vt_device *vd = vw->vw_device; 938 939 if (!vt_enable_bell) 940 return; 941 942 if (vd->vd_flags & VDF_QUIET_BELL) 943 return; 944 945 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION); 946} 947 948static void 949vtterm_beep(struct terminal *tm, u_int param) 950{ 951 u_int freq, period; 952 953 if (!vt_enable_bell) 954 return; 955 956 if ((param == 0) || ((param & 0xffff) == 0)) { 957 vtterm_bell(tm); 958 return; 959 } 960 961 period = ((param >> 16) & 0xffff) * hz / 1000; 962 freq = 1193182 / (param & 0xffff); 963 964 sysbeep(freq, period); 965} 966 967static void 968vtterm_cursor(struct terminal *tm, const term_pos_t *p) 969{ 970 struct vt_window *vw = tm->tm_softc; 971 972 vtbuf_cursor_position(&vw->vw_buf, p); 973 vt_resume_flush_timer(vw->vw_device, 0); 974} 975 976static void 977vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c) 978{ 979 struct vt_window *vw = tm->tm_softc; 980 981 vtbuf_putchar(&vw->vw_buf, p, c); 982 vt_resume_flush_timer(vw->vw_device, 0); 983} 984 985static void 986vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c) 987{ 988 struct vt_window *vw = tm->tm_softc; 989 990 vtbuf_fill_locked(&vw->vw_buf, r, c); 991 vt_resume_flush_timer(vw->vw_device, 0); 992} 993 994static void 995vtterm_copy(struct terminal *tm, const term_rect_t *r, 996 const term_pos_t *p) 997{ 998 struct vt_window *vw = tm->tm_softc; 999 1000 vtbuf_copy(&vw->vw_buf, r, p); 1001 vt_resume_flush_timer(vw->vw_device, 0); 1002} 1003 1004static void 1005vtterm_param(struct terminal *tm, int cmd, unsigned int arg) 1006{ 1007 struct vt_window *vw = tm->tm_softc; 1008 1009 switch (cmd) { 1010 case TP_SHOWCURSOR: 1011 vtbuf_cursor_visibility(&vw->vw_buf, arg); 1012 vt_resume_flush_timer(vw->vw_device, 0); 1013 break; 1014 case TP_MOUSE: 1015 vw->vw_mouse_level = arg; 1016 break; 1017 } 1018} 1019 1020void 1021vt_determine_colors(term_char_t c, int cursor, 1022 term_color_t *fg, term_color_t *bg) 1023{ 1024 term_color_t tmp; 1025 int invert; 1026 1027 invert = 0; 1028 1029 *fg = TCHAR_FGCOLOR(c); 1030 if (TCHAR_FORMAT(c) & TF_BOLD) 1031 *fg = TCOLOR_LIGHT(*fg); 1032 *bg = TCHAR_BGCOLOR(c); 1033 1034 if (TCHAR_FORMAT(c) & TF_REVERSE) 1035 invert ^= 1; 1036 if (cursor) 1037 invert ^= 1; 1038 1039 if (invert) { 1040 tmp = *fg; 1041 *fg = *bg; 1042 *bg = tmp; 1043 } 1044} 1045 1046#ifndef SC_NO_CUTPASTE 1047int 1048vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area) 1049{ 1050 unsigned int mx, my; 1051 1052 /* 1053 * We use the cursor position saved during the current refresh, 1054 * in case the cursor moved since. 1055 */ 1056 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col; 1057 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row; 1058 1059 if (mx >= area->tr_end.tp_col || 1060 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col || 1061 my >= area->tr_end.tp_row || 1062 my + vd->vd_mcursor->height <= area->tr_begin.tp_row) 1063 return (0); 1064 return (1); 1065} 1066 1067static void 1068vt_mark_mouse_position_as_dirty(struct vt_device *vd) 1069{ 1070 term_rect_t area; 1071 struct vt_window *vw; 1072 struct vt_font *vf; 1073 int x, y; 1074 1075 vw = vd->vd_curwindow; 1076 vf = vw->vw_font; 1077 1078 x = vd->vd_mx_drawn; 1079 y = vd->vd_my_drawn; 1080 1081 if (vf != NULL) { 1082 area.tr_begin.tp_col = x / vf->vf_width; 1083 area.tr_begin.tp_row = y / vf->vf_height; 1084 area.tr_end.tp_col = 1085 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1; 1086 area.tr_end.tp_row = 1087 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1; 1088 } else { 1089 /* 1090 * No font loaded (ie. vt_vga operating in textmode). 1091 * 1092 * FIXME: This fake area needs to be revisited once the 1093 * mouse cursor is supported in vt_vga's textmode. 1094 */ 1095 area.tr_begin.tp_col = x; 1096 area.tr_begin.tp_row = y; 1097 area.tr_end.tp_col = x + 2; 1098 area.tr_end.tp_row = y + 2; 1099 } 1100 1101 vtbuf_dirty(&vw->vw_buf, &area); 1102} 1103#endif 1104 1105static int 1106vt_flush(struct vt_device *vd) 1107{ 1108 struct vt_window *vw; 1109 struct vt_font *vf; 1110 term_rect_t tarea; 1111 term_pos_t size; 1112#ifndef SC_NO_CUTPASTE 1113 int cursor_was_shown, cursor_moved; 1114#endif 1115 1116 vw = vd->vd_curwindow; 1117 if (vw == NULL) 1118 return (0); 1119 1120 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY) 1121 return (0); 1122 1123 vf = vw->vw_font; 1124 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL)) 1125 return (0); 1126 1127#ifndef SC_NO_CUTPASTE 1128 cursor_was_shown = vd->vd_mshown; 1129 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn || 1130 vd->vd_my != vd->vd_my_drawn); 1131 1132 /* Check if the cursor should be displayed or not. */ 1133 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */ 1134 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */ 1135 !kdb_active && panicstr == NULL) { /* DDB inactive. */ 1136 vd->vd_mshown = 1; 1137 } else { 1138 vd->vd_mshown = 0; 1139 } 1140 1141 /* 1142 * If the cursor changed display state or moved, we must mark 1143 * the old position as dirty, so that it's erased. 1144 */ 1145 if (cursor_was_shown != vd->vd_mshown || 1146 (vd->vd_mshown && cursor_moved)) 1147 vt_mark_mouse_position_as_dirty(vd); 1148 1149 /* 1150 * Save position of the mouse cursor. It's used by backends to 1151 * know where to draw the cursor and during the next refresh to 1152 * erase the previous position. 1153 */ 1154 vd->vd_mx_drawn = vd->vd_mx; 1155 vd->vd_my_drawn = vd->vd_my; 1156 1157 /* 1158 * If the cursor is displayed and has moved since last refresh, 1159 * mark the new position as dirty. 1160 */ 1161 if (vd->vd_mshown && cursor_moved) 1162 vt_mark_mouse_position_as_dirty(vd); 1163#endif 1164 1165 vtbuf_undirty(&vw->vw_buf, &tarea); 1166 vt_termsize(vd, vf, &size); 1167 1168 /* Force a full redraw when the screen contents are invalid. */ 1169 if (vd->vd_flags & VDF_INVALID) { 1170 tarea.tr_begin.tp_row = tarea.tr_begin.tp_col = 0; 1171 tarea.tr_end = size; 1172 1173 vd->vd_flags &= ~VDF_INVALID; 1174 } 1175 1176 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) { 1177 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea); 1178 return (1); 1179 } 1180 1181 return (0); 1182} 1183 1184static void 1185vt_timer(void *arg) 1186{ 1187 struct vt_device *vd; 1188 int changed; 1189 1190 vd = arg; 1191 /* Update screen if required. */ 1192 changed = vt_flush(vd); 1193 1194 /* Schedule for next update. */ 1195 if (changed) 1196 vt_schedule_flush(vd, 0); 1197 else 1198 vd->vd_timer_armed = 0; 1199} 1200 1201static void 1202vtterm_done(struct terminal *tm) 1203{ 1204 struct vt_window *vw = tm->tm_softc; 1205 struct vt_device *vd = vw->vw_device; 1206 1207 if (kdb_active || panicstr != NULL) { 1208 /* Switch to the debugger. */ 1209 if (vd->vd_curwindow != vw) { 1210 vd->vd_curwindow = vw; 1211 vd->vd_flags |= VDF_INVALID; 1212 if (vd->vd_driver->vd_postswitch) 1213 vd->vd_driver->vd_postswitch(vd); 1214 } 1215 vd->vd_flags &= ~VDF_SPLASH; 1216 vt_flush(vd); 1217 } else if (!(vd->vd_flags & VDF_ASYNC)) { 1218 vt_flush(vd); 1219 } 1220} 1221 1222#ifdef DEV_SPLASH 1223static void 1224vtterm_splash(struct vt_device *vd) 1225{ 1226 vt_axis_t top, left; 1227 1228 /* Display a nice boot splash. */ 1229 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) { 1230 1231 top = (vd->vd_height - vt_logo_height) / 2; 1232 left = (vd->vd_width - vt_logo_width) / 2; 1233 switch (vt_logo_depth) { 1234 case 1: 1235 /* XXX: Unhardcode colors! */ 1236 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow, 1237 vt_logo_image, NULL, vt_logo_width, vt_logo_height, 1238 left, top, TC_WHITE, TC_BLACK); 1239 } 1240 vd->vd_flags |= VDF_SPLASH; 1241 } 1242} 1243#endif 1244 1245 1246static void 1247vtterm_cnprobe(struct terminal *tm, struct consdev *cp) 1248{ 1249 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL; 1250 struct vt_window *vw = tm->tm_softc; 1251 struct vt_device *vd = vw->vw_device; 1252 struct winsize wsz; 1253 term_attr_t attr; 1254 term_char_t c; 1255 1256 if (!vty_enabled(VTY_VT)) 1257 return; 1258 1259 if (vd->vd_flags & VDF_INITIALIZED) 1260 /* Initialization already done. */ 1261 return; 1262 1263 SET_FOREACH(vtdlist, vt_drv_set) { 1264 vtd = *vtdlist; 1265 if (vtd->vd_probe == NULL) 1266 continue; 1267 if (vtd->vd_probe(vd) == CN_DEAD) 1268 continue; 1269 if ((vtdbest == NULL) || 1270 (vtd->vd_priority > vtdbest->vd_priority)) 1271 vtdbest = vtd; 1272 } 1273 if (vtdbest == NULL) { 1274 cp->cn_pri = CN_DEAD; 1275 vd->vd_flags |= VDF_DEAD; 1276 } else { 1277 vd->vd_driver = vtdbest; 1278 cp->cn_pri = vd->vd_driver->vd_init(vd); 1279 } 1280 1281 /* Check if driver's vt_init return CN_DEAD. */ 1282 if (cp->cn_pri == CN_DEAD) { 1283 vd->vd_flags |= VDF_DEAD; 1284 } 1285 1286 /* Initialize any early-boot keyboard drivers */ 1287 kbd_configure(KB_CONF_PROBE_ONLY); 1288 1289 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1); 1290 vd->vd_windows[VT_CONSWINDOW] = vw; 1291 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw)); 1292 1293 /* Attach default font if not in TEXTMODE. */ 1294 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 1295 vw->vw_font = vtfont_ref(&vt_font_default); 1296 vt_compute_drawable_area(vw); 1297 } 1298 1299 /* 1300 * The original screen size was faked (_VTDEFW x _VTDEFH). Now 1301 * that we have the real viewable size, fix it in the static 1302 * buffer. 1303 */ 1304 if (vd->vd_width != 0 && vd->vd_height != 0) 1305 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size); 1306 1307 vtbuf_init_early(&vw->vw_buf); 1308 vt_winsize(vd, vw->vw_font, &wsz); 1309 c = (boothowto & RB_MUTE) == 0 ? TERMINAL_KERN_ATTR : 1310 TERMINAL_NORM_ATTR; 1311 attr.ta_format = TCHAR_FORMAT(c); 1312 attr.ta_fgcolor = TCHAR_FGCOLOR(c); 1313 attr.ta_bgcolor = TCHAR_BGCOLOR(c); 1314 terminal_set_winsize_blank(tm, &wsz, 1, &attr); 1315 1316 if (vtdbest != NULL) { 1317#ifdef DEV_SPLASH 1318 vtterm_splash(vd); 1319#endif 1320 vd->vd_flags |= VDF_INITIALIZED; 1321 } 1322} 1323 1324static int 1325vtterm_cngetc(struct terminal *tm) 1326{ 1327 struct vt_window *vw = tm->tm_softc; 1328 struct vt_device *vd = vw->vw_device; 1329 keyboard_t *kbd; 1330 u_int c; 1331 1332 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1333 return (*vw->vw_kbdsq++); 1334 1335 /* Make sure the splash screen is not there. */ 1336 if (vd->vd_flags & VDF_SPLASH) { 1337 /* Remove splash */ 1338 vd->vd_flags &= ~VDF_SPLASH; 1339 /* Mark screen as invalid to force update */ 1340 vd->vd_flags |= VDF_INVALID; 1341 vt_flush(vd); 1342 } 1343 1344 /* Stripped down keyboard handler. */ 1345 kbd = kbd_get_keyboard(vd->vd_keyboard); 1346 if (kbd == NULL) 1347 return (-1); 1348 1349 /* Force keyboard input mode to K_XLATE */ 1350 vw->vw_kbdmode = K_XLATE; 1351 vt_update_kbd_mode(vw, kbd); 1352 1353 /* Switch the keyboard to polling to make it work here. */ 1354 kbdd_poll(kbd, TRUE); 1355 c = kbdd_read_char(kbd, 0); 1356 kbdd_poll(kbd, FALSE); 1357 if (c & RELKEY) 1358 return (-1); 1359 1360 if (vw->vw_flags & VWF_SCROLL) { 1361 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */); 1362 vt_flush(vd); 1363 return (-1); 1364 } 1365 1366 /* Stripped down handling of vt_kbdevent(), without locking, etc. */ 1367 if (c & SPCLKEY) { 1368 switch (c) { 1369 case SPCLKEY | SLK: 1370 vt_save_kbd_state(vw, kbd); 1371 if (vw->vw_kbdstate & SLKED) { 1372 /* Turn scrolling on. */ 1373 vw->vw_flags |= VWF_SCROLL; 1374 VTBUF_SLCK_ENABLE(&vw->vw_buf); 1375 } else { 1376 /* Turn scrolling off. */ 1377 vt_scroll(vw, 0, VHS_END); 1378 vw->vw_flags &= ~VWF_SCROLL; 1379 VTBUF_SLCK_DISABLE(&vw->vw_buf); 1380 } 1381 break; 1382 /* XXX: KDB can handle history. */ 1383 case SPCLKEY | FKEY | F(50): /* Arrow up. */ 1384 vw->vw_kbdsq = "\x1b[A"; 1385 break; 1386 case SPCLKEY | FKEY | F(58): /* Arrow down. */ 1387 vw->vw_kbdsq = "\x1b[B"; 1388 break; 1389 case SPCLKEY | FKEY | F(55): /* Arrow right. */ 1390 vw->vw_kbdsq = "\x1b[C"; 1391 break; 1392 case SPCLKEY | FKEY | F(53): /* Arrow left. */ 1393 vw->vw_kbdsq = "\x1b[D"; 1394 break; 1395 } 1396 1397 /* Force refresh to make scrollback work. */ 1398 vt_flush(vd); 1399 } else if (KEYFLAGS(c) == 0) { 1400 return (KEYCHAR(c)); 1401 } 1402 1403 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1404 return (*vw->vw_kbdsq++); 1405 1406 return (-1); 1407} 1408 1409static void 1410vtterm_cngrab(struct terminal *tm) 1411{ 1412 struct vt_device *vd; 1413 struct vt_window *vw; 1414 keyboard_t *kbd; 1415 1416 vw = tm->tm_softc; 1417 vd = vw->vw_device; 1418 1419 if (!cold) 1420 vt_window_switch(vw); 1421 1422 kbd = kbd_get_keyboard(vd->vd_keyboard); 1423 if (kbd == NULL) 1424 return; 1425 1426 if (vw->vw_grabbed++ > 0) 1427 return; 1428 1429 /* 1430 * Make sure the keyboard is accessible even when the kbd device 1431 * driver is disabled. 1432 */ 1433 kbdd_enable(kbd); 1434 1435 /* We shall always use the keyboard in the XLATE mode here. */ 1436 vw->vw_prev_kbdmode = vw->vw_kbdmode; 1437 vw->vw_kbdmode = K_XLATE; 1438 vt_update_kbd_mode(vw, kbd); 1439 1440 kbdd_poll(kbd, TRUE); 1441} 1442 1443static void 1444vtterm_cnungrab(struct terminal *tm) 1445{ 1446 struct vt_device *vd; 1447 struct vt_window *vw; 1448 keyboard_t *kbd; 1449 1450 vw = tm->tm_softc; 1451 vd = vw->vw_device; 1452 1453 kbd = kbd_get_keyboard(vd->vd_keyboard); 1454 if (kbd == NULL) 1455 return; 1456 1457 if (--vw->vw_grabbed > 0) 1458 return; 1459 1460 kbdd_poll(kbd, FALSE); 1461 1462 vw->vw_kbdmode = vw->vw_prev_kbdmode; 1463 vt_update_kbd_mode(vw, kbd); 1464 kbdd_disable(kbd); 1465} 1466 1467static void 1468vtterm_opened(struct terminal *tm, int opened) 1469{ 1470 struct vt_window *vw = tm->tm_softc; 1471 struct vt_device *vd = vw->vw_device; 1472 1473 VT_LOCK(vd); 1474 vd->vd_flags &= ~VDF_SPLASH; 1475 if (opened) 1476 vw->vw_flags |= VWF_OPENED; 1477 else { 1478 vw->vw_flags &= ~VWF_OPENED; 1479 /* TODO: finish ACQ/REL */ 1480 } 1481 VT_UNLOCK(vd); 1482} 1483 1484static int 1485vt_set_border(struct vt_window *vw, term_color_t c) 1486{ 1487 struct vt_device *vd = vw->vw_device; 1488 1489 if (vd->vd_driver->vd_drawrect == NULL) 1490 return (ENOTSUP); 1491 1492 /* Top bar. */ 1493 if (vw->vw_draw_area.tr_begin.tp_row > 0) 1494 vd->vd_driver->vd_drawrect(vd, 1495 0, 0, 1496 vd->vd_width - 1, vw->vw_draw_area.tr_begin.tp_row - 1, 1497 1, c); 1498 1499 /* Left bar. */ 1500 if (vw->vw_draw_area.tr_begin.tp_col > 0) 1501 vd->vd_driver->vd_drawrect(vd, 1502 0, 0, 1503 vw->vw_draw_area.tr_begin.tp_col - 1, vd->vd_height - 1, 1504 1, c); 1505 1506 /* Right bar. */ 1507 if (vw->vw_draw_area.tr_end.tp_col < vd->vd_width) 1508 vd->vd_driver->vd_drawrect(vd, 1509 vw->vw_draw_area.tr_end.tp_col - 1, 0, 1510 vd->vd_width - 1, vd->vd_height - 1, 1511 1, c); 1512 1513 /* Bottom bar. */ 1514 if (vw->vw_draw_area.tr_end.tp_row < vd->vd_height) 1515 vd->vd_driver->vd_drawrect(vd, 1516 0, vw->vw_draw_area.tr_end.tp_row - 1, 1517 vd->vd_width - 1, vd->vd_height - 1, 1518 1, c); 1519 1520 return (0); 1521} 1522 1523static int 1524vt_change_font(struct vt_window *vw, struct vt_font *vf) 1525{ 1526 struct vt_device *vd = vw->vw_device; 1527 struct terminal *tm = vw->vw_terminal; 1528 term_pos_t size; 1529 struct winsize wsz; 1530 1531 /* 1532 * Changing fonts. 1533 * 1534 * Changing fonts is a little tricky. We must prevent 1535 * simultaneous access to the device, so we must stop 1536 * the display timer and the terminal from accessing. 1537 * We need to switch fonts and grow our screen buffer. 1538 * 1539 * XXX: Right now the code uses terminal_mute() to 1540 * prevent data from reaching the console driver while 1541 * resizing the screen buffer. This isn't elegant... 1542 */ 1543 1544 VT_LOCK(vd); 1545 if (vw->vw_flags & VWF_BUSY) { 1546 /* Another process is changing the font. */ 1547 VT_UNLOCK(vd); 1548 return (EBUSY); 1549 } 1550 vw->vw_flags |= VWF_BUSY; 1551 VT_UNLOCK(vd); 1552 1553 vt_termsize(vd, vf, &size); 1554 vt_winsize(vd, vf, &wsz); 1555 1556 /* Grow the screen buffer and terminal. */ 1557 terminal_mute(tm, 1); 1558 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 1559 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 1560 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 1561 terminal_mute(tm, 0); 1562 1563 /* Actually apply the font to the current window. */ 1564 VT_LOCK(vd); 1565 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) { 1566 /* 1567 * In case vt_change_font called to update size we don't need 1568 * to update font link. 1569 */ 1570 vtfont_unref(vw->vw_font); 1571 vw->vw_font = vtfont_ref(vf); 1572 } 1573 1574 /* 1575 * Compute the drawable area and move the mouse cursor inside 1576 * it, in case the new area is smaller than the previous one. 1577 */ 1578 vt_compute_drawable_area(vw); 1579 vd->vd_mx = min(vd->vd_mx, 1580 vw->vw_draw_area.tr_end.tp_col - 1581 vw->vw_draw_area.tr_begin.tp_col - 1); 1582 vd->vd_my = min(vd->vd_my, 1583 vw->vw_draw_area.tr_end.tp_row - 1584 vw->vw_draw_area.tr_begin.tp_row - 1); 1585 1586 /* Force a full redraw the next timer tick. */ 1587 if (vd->vd_curwindow == vw) { 1588 vt_set_border(vw, TC_BLACK); 1589 vd->vd_flags |= VDF_INVALID; 1590 vt_resume_flush_timer(vw->vw_device, 0); 1591 } 1592 vw->vw_flags &= ~VWF_BUSY; 1593 VT_UNLOCK(vd); 1594 return (0); 1595} 1596 1597static int 1598vt_proc_alive(struct vt_window *vw) 1599{ 1600 struct proc *p; 1601 1602 if (vw->vw_smode.mode != VT_PROCESS) 1603 return (FALSE); 1604 1605 if (vw->vw_proc) { 1606 if ((p = pfind(vw->vw_pid)) != NULL) 1607 PROC_UNLOCK(p); 1608 if (vw->vw_proc == p) 1609 return (TRUE); 1610 vw->vw_proc = NULL; 1611 vw->vw_smode.mode = VT_AUTO; 1612 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid); 1613 vw->vw_pid = 0; 1614 } 1615 return (FALSE); 1616} 1617 1618static int 1619signal_vt_rel(struct vt_window *vw) 1620{ 1621 1622 if (vw->vw_smode.mode != VT_PROCESS) 1623 return (FALSE); 1624 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1625 vw->vw_proc = NULL; 1626 vw->vw_pid = 0; 1627 return (TRUE); 1628 } 1629 vw->vw_flags |= VWF_SWWAIT_REL; 1630 PROC_LOCK(vw->vw_proc); 1631 kern_psignal(vw->vw_proc, vw->vw_smode.relsig); 1632 PROC_UNLOCK(vw->vw_proc); 1633 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid); 1634 return (TRUE); 1635} 1636 1637static int 1638signal_vt_acq(struct vt_window *vw) 1639{ 1640 1641 if (vw->vw_smode.mode != VT_PROCESS) 1642 return (FALSE); 1643 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 1644 cnavailable(vw->vw_terminal->consdev, FALSE); 1645 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1646 vw->vw_proc = NULL; 1647 vw->vw_pid = 0; 1648 return (TRUE); 1649 } 1650 vw->vw_flags |= VWF_SWWAIT_ACQ; 1651 PROC_LOCK(vw->vw_proc); 1652 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig); 1653 PROC_UNLOCK(vw->vw_proc); 1654 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid); 1655 return (TRUE); 1656} 1657 1658static int 1659finish_vt_rel(struct vt_window *vw, int release, int *s) 1660{ 1661 1662 if (vw->vw_flags & VWF_SWWAIT_REL) { 1663 vw->vw_flags &= ~VWF_SWWAIT_REL; 1664 if (release) { 1665 callout_drain(&vw->vw_proc_dead_timer); 1666 vt_late_window_switch(vw->vw_switch_to); 1667 } 1668 return (0); 1669 } 1670 return (EINVAL); 1671} 1672 1673static int 1674finish_vt_acq(struct vt_window *vw) 1675{ 1676 1677 if (vw->vw_flags & VWF_SWWAIT_ACQ) { 1678 vw->vw_flags &= ~VWF_SWWAIT_ACQ; 1679 return (0); 1680 } 1681 return (EINVAL); 1682} 1683 1684#ifndef SC_NO_CUTPASTE 1685static void 1686vt_mouse_terminput_button(struct vt_device *vd, int button) 1687{ 1688 struct vt_window *vw; 1689 struct vt_font *vf; 1690 char mouseb[6] = "\x1B[M"; 1691 int i, x, y; 1692 1693 vw = vd->vd_curwindow; 1694 vf = vw->vw_font; 1695 1696 /* Translate to char position. */ 1697 x = vd->vd_mx / vf->vf_width; 1698 y = vd->vd_my / vf->vf_height; 1699 /* Avoid overflow. */ 1700 x = MIN(x, 255 - '!'); 1701 y = MIN(y, 255 - '!'); 1702 1703 mouseb[3] = ' ' + button; 1704 mouseb[4] = '!' + x; 1705 mouseb[5] = '!' + y; 1706 1707 for (i = 0; i < sizeof(mouseb); i++) 1708 terminal_input_char(vw->vw_terminal, mouseb[i]); 1709} 1710 1711static void 1712vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event, 1713 int cnt) 1714{ 1715 1716 switch (type) { 1717 case MOUSE_BUTTON_EVENT: 1718 if (cnt > 0) { 1719 /* Mouse button pressed. */ 1720 if (event & MOUSE_BUTTON1DOWN) 1721 vt_mouse_terminput_button(vd, 0); 1722 if (event & MOUSE_BUTTON2DOWN) 1723 vt_mouse_terminput_button(vd, 1); 1724 if (event & MOUSE_BUTTON3DOWN) 1725 vt_mouse_terminput_button(vd, 2); 1726 } else { 1727 /* Mouse button released. */ 1728 vt_mouse_terminput_button(vd, 3); 1729 } 1730 break; 1731#ifdef notyet 1732 case MOUSE_MOTION_EVENT: 1733 if (mouse->u.data.z < 0) { 1734 /* Scroll up. */ 1735 sc_mouse_input_button(vd, 64); 1736 } else if (mouse->u.data.z > 0) { 1737 /* Scroll down. */ 1738 sc_mouse_input_button(vd, 65); 1739 } 1740 break; 1741#endif 1742 } 1743} 1744 1745static void 1746vt_mouse_paste() 1747{ 1748 term_char_t *buf; 1749 int i, len; 1750 1751 len = VD_PASTEBUFLEN(main_vd); 1752 buf = VD_PASTEBUF(main_vd); 1753 len /= sizeof(term_char_t); 1754 for (i = 0; i < len; i++) { 1755 if (buf[i] == '\0') 1756 continue; 1757 terminal_input_char(main_vd->vd_curwindow->vw_terminal, 1758 buf[i]); 1759 } 1760} 1761 1762void 1763vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel) 1764{ 1765 struct vt_device *vd; 1766 struct vt_window *vw; 1767 struct vt_font *vf; 1768 term_pos_t size; 1769 int len, mark; 1770 1771 vd = main_vd; 1772 vw = vd->vd_curwindow; 1773 vf = vw->vw_font; 1774 mark = 0; 1775 1776 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS)) 1777 /* 1778 * Either the mouse is disabled, or the window is in 1779 * "graphics mode". The graphics mode is usually set by 1780 * an X server, using the KDSETMODE ioctl. 1781 */ 1782 return; 1783 1784 if (vf == NULL) /* Text mode. */ 1785 return; 1786 1787 /* 1788 * TODO: add flag about pointer position changed, to not redraw chars 1789 * under mouse pointer when nothing changed. 1790 */ 1791 1792 if (vw->vw_mouse_level > 0) 1793 vt_mouse_terminput(vd, type, x, y, event, cnt); 1794 1795 switch (type) { 1796 case MOUSE_ACTION: 1797 case MOUSE_MOTION_EVENT: 1798 /* Movement */ 1799 x += vd->vd_mx; 1800 y += vd->vd_my; 1801 1802 vt_termsize(vd, vf, &size); 1803 1804 /* Apply limits. */ 1805 x = MAX(x, 0); 1806 y = MAX(y, 0); 1807 x = MIN(x, (size.tp_col * vf->vf_width) - 1); 1808 y = MIN(y, (size.tp_row * vf->vf_height) - 1); 1809 1810 vd->vd_mx = x; 1811 vd->vd_my = y; 1812 if (vd->vd_mstate & MOUSE_BUTTON1DOWN) 1813 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE, 1814 vd->vd_mx / vf->vf_width, 1815 vd->vd_my / vf->vf_height); 1816 1817 vt_resume_flush_timer(vw->vw_device, 0); 1818 return; /* Done */ 1819 case MOUSE_BUTTON_EVENT: 1820 /* Buttons */ 1821 break; 1822 default: 1823 return; /* Done */ 1824 } 1825 1826 switch (event) { 1827 case MOUSE_BUTTON1DOWN: 1828 switch (cnt % 4) { 1829 case 0: /* up */ 1830 mark = VTB_MARK_END; 1831 break; 1832 case 1: /* single click: start cut operation */ 1833 mark = VTB_MARK_START; 1834 break; 1835 case 2: /* double click: cut a word */ 1836 mark = VTB_MARK_WORD; 1837 break; 1838 case 3: /* triple click: cut a line */ 1839 mark = VTB_MARK_ROW; 1840 break; 1841 } 1842 break; 1843 case VT_MOUSE_PASTEBUTTON: 1844 switch (cnt) { 1845 case 0: /* up */ 1846 break; 1847 default: 1848 vt_mouse_paste(); 1849 break; 1850 } 1851 return; /* Done */ 1852 case VT_MOUSE_EXTENDBUTTON: 1853 switch (cnt) { 1854 case 0: /* up */ 1855 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN)) 1856 mark = VTB_MARK_EXTEND; 1857 else 1858 mark = 0; 1859 break; 1860 default: 1861 mark = VTB_MARK_EXTEND; 1862 break; 1863 } 1864 break; 1865 default: 1866 return; /* Done */ 1867 } 1868 1869 /* Save buttons state. */ 1870 if (cnt > 0) 1871 vd->vd_mstate |= event; 1872 else 1873 vd->vd_mstate &= ~event; 1874 1875 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width, 1876 vd->vd_my / vf->vf_height) == 1) { 1877 /* 1878 * We have something marked to copy, so update pointer to 1879 * window with selection. 1880 */ 1881 vt_resume_flush_timer(vw->vw_device, 0); 1882 1883 switch (mark) { 1884 case VTB_MARK_END: 1885 case VTB_MARK_WORD: 1886 case VTB_MARK_ROW: 1887 case VTB_MARK_EXTEND: 1888 break; 1889 default: 1890 /* Other types of mark do not require to copy data. */ 1891 return; 1892 } 1893 1894 /* Get current selection size in bytes. */ 1895 len = vtbuf_get_marked_len(&vw->vw_buf); 1896 if (len <= 0) 1897 return; 1898 1899 /* Reallocate buffer only if old one is too small. */ 1900 if (len > VD_PASTEBUFSZ(vd)) { 1901 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT, 1902 M_WAITOK | M_ZERO); 1903 /* Update buffer size. */ 1904 VD_PASTEBUFSZ(vd) = len; 1905 } 1906 /* Request copy/paste buffer data, no more than `len' */ 1907 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd), 1908 VD_PASTEBUFSZ(vd)); 1909 1910 VD_PASTEBUFLEN(vd) = len; 1911 1912 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */ 1913 } 1914} 1915 1916void 1917vt_mouse_state(int show) 1918{ 1919 struct vt_device *vd; 1920 struct vt_window *vw; 1921 1922 vd = main_vd; 1923 vw = vd->vd_curwindow; 1924 1925 switch (show) { 1926 case VT_MOUSE_HIDE: 1927 vw->vw_flags |= VWF_MOUSE_HIDE; 1928 break; 1929 case VT_MOUSE_SHOW: 1930 vw->vw_flags &= ~VWF_MOUSE_HIDE; 1931 break; 1932 } 1933 1934 /* Mark mouse position as dirty. */ 1935 vt_mark_mouse_position_as_dirty(vd); 1936 vt_resume_flush_timer(vw->vw_device, 0); 1937} 1938#endif 1939 1940static int 1941vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr, 1942 int nprot, vm_memattr_t *memattr) 1943{ 1944 struct vt_window *vw = tm->tm_softc; 1945 struct vt_device *vd = vw->vw_device; 1946 1947 if (vd->vd_driver->vd_fb_mmap) 1948 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot, 1949 memattr)); 1950 1951 return (ENXIO); 1952} 1953 1954static int 1955vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data, 1956 struct thread *td) 1957{ 1958 struct vt_window *vw = tm->tm_softc; 1959 struct vt_device *vd = vw->vw_device; 1960 keyboard_t *kbd; 1961 int error, i, s; 1962#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1963 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1964 int ival; 1965 1966 switch (cmd) { 1967 case _IO('v', 4): 1968 cmd = VT_RELDISP; 1969 break; 1970 case _IO('v', 5): 1971 cmd = VT_ACTIVATE; 1972 break; 1973 case _IO('v', 6): 1974 cmd = VT_WAITACTIVE; 1975 break; 1976 case _IO('K', 20): 1977 cmd = KDSKBSTATE; 1978 break; 1979 case _IO('K', 67): 1980 cmd = KDSETRAD; 1981 break; 1982 case _IO('K', 7): 1983 cmd = KDSKBMODE; 1984 break; 1985 case _IO('K', 8): 1986 cmd = KDMKTONE; 1987 break; 1988 case _IO('K', 63): 1989 cmd = KIOCSOUND; 1990 break; 1991 case _IO('K', 66): 1992 cmd = KDSETLED; 1993 break; 1994 case _IO('c', 110): 1995 cmd = CONS_SETKBD; 1996 break; 1997 default: 1998 goto skip_thunk; 1999 } 2000 ival = IOCPARM_IVAL(data); 2001 data = (caddr_t)&ival; 2002skip_thunk: 2003#endif 2004 2005 switch (cmd) { 2006 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 2007 if (*(int *)data & ~0x7f) 2008 return (EINVAL); 2009 /* FALLTHROUGH */ 2010 case GIO_KEYMAP: 2011 case PIO_KEYMAP: 2012 case GIO_DEADKEYMAP: 2013 case PIO_DEADKEYMAP: 2014 case GETFKEY: 2015 case SETFKEY: 2016 case KDGKBINFO: 2017 case KDGKBTYPE: 2018 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 2019 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 2020 case KBADDKBD: /* add/remove keyboard to/from mux */ 2021 case KBRELKBD: { 2022 error = 0; 2023 2024 mtx_lock(&Giant); 2025 kbd = kbd_get_keyboard(vd->vd_keyboard); 2026 if (kbd != NULL) 2027 error = kbdd_ioctl(kbd, cmd, data); 2028 mtx_unlock(&Giant); 2029 if (error == ENOIOCTL) { 2030 if (cmd == KDGKBTYPE) { 2031 /* always return something? XXX */ 2032 *(int *)data = 0; 2033 } else { 2034 return (ENODEV); 2035 } 2036 } 2037 return (error); 2038 } 2039 case KDGKBSTATE: { /* get keyboard state (locks) */ 2040 error = 0; 2041 2042 if (vw == vd->vd_curwindow) { 2043 mtx_lock(&Giant); 2044 kbd = kbd_get_keyboard(vd->vd_keyboard); 2045 if (kbd != NULL) 2046 error = vt_save_kbd_state(vw, kbd); 2047 mtx_unlock(&Giant); 2048 2049 if (error != 0) 2050 return (error); 2051 } 2052 2053 *(int *)data = vw->vw_kbdstate & LOCK_MASK; 2054 2055 return (error); 2056 } 2057 case KDSKBSTATE: { /* set keyboard state (locks) */ 2058 int state; 2059 2060 state = *(int *)data; 2061 if (state & ~LOCK_MASK) 2062 return (EINVAL); 2063 2064 vw->vw_kbdstate &= ~LOCK_MASK; 2065 vw->vw_kbdstate |= state; 2066 2067 error = 0; 2068 if (vw == vd->vd_curwindow) { 2069 mtx_lock(&Giant); 2070 kbd = kbd_get_keyboard(vd->vd_keyboard); 2071 if (kbd != NULL) 2072 error = vt_update_kbd_state(vw, kbd); 2073 mtx_unlock(&Giant); 2074 } 2075 2076 return (error); 2077 } 2078 case KDGETLED: { /* get keyboard LED status */ 2079 error = 0; 2080 2081 if (vw == vd->vd_curwindow) { 2082 mtx_lock(&Giant); 2083 kbd = kbd_get_keyboard(vd->vd_keyboard); 2084 if (kbd != NULL) 2085 error = vt_save_kbd_leds(vw, kbd); 2086 mtx_unlock(&Giant); 2087 2088 if (error != 0) 2089 return (error); 2090 } 2091 2092 *(int *)data = vw->vw_kbdstate & LED_MASK; 2093 2094 return (error); 2095 } 2096 case KDSETLED: { /* set keyboard LED status */ 2097 int leds; 2098 2099 leds = *(int *)data; 2100 if (leds & ~LED_MASK) 2101 return (EINVAL); 2102 2103 vw->vw_kbdstate &= ~LED_MASK; 2104 vw->vw_kbdstate |= leds; 2105 2106 error = 0; 2107 if (vw == vd->vd_curwindow) { 2108 mtx_lock(&Giant); 2109 kbd = kbd_get_keyboard(vd->vd_keyboard); 2110 if (kbd != NULL) 2111 error = vt_update_kbd_leds(vw, kbd); 2112 mtx_unlock(&Giant); 2113 } 2114 2115 return (error); 2116 } 2117 case KDGKBMODE: { 2118 error = 0; 2119 2120 if (vw == vd->vd_curwindow) { 2121 mtx_lock(&Giant); 2122 kbd = kbd_get_keyboard(vd->vd_keyboard); 2123 if (kbd != NULL) 2124 error = vt_save_kbd_mode(vw, kbd); 2125 mtx_unlock(&Giant); 2126 2127 if (error != 0) 2128 return (error); 2129 } 2130 2131 *(int *)data = vw->vw_kbdmode; 2132 2133 return (error); 2134 } 2135 case KDSKBMODE: { 2136 int mode; 2137 2138 mode = *(int *)data; 2139 switch (mode) { 2140 case K_XLATE: 2141 case K_RAW: 2142 case K_CODE: 2143 vw->vw_kbdmode = mode; 2144 2145 error = 0; 2146 if (vw == vd->vd_curwindow) { 2147 mtx_lock(&Giant); 2148 kbd = kbd_get_keyboard(vd->vd_keyboard); 2149 if (kbd != NULL) 2150 error = vt_update_kbd_mode(vw, kbd); 2151 mtx_unlock(&Giant); 2152 } 2153 2154 return (error); 2155 default: 2156 return (EINVAL); 2157 } 2158 } 2159 case FBIOGTYPE: 2160 case FBIO_GETWINORG: /* get frame buffer window origin */ 2161 case FBIO_GETDISPSTART: /* get display start address */ 2162 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 2163 case FBIO_BLANK: /* blank display */ 2164 if (vd->vd_driver->vd_fb_ioctl) 2165 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td)); 2166 break; 2167 case CONS_BLANKTIME: 2168 /* XXX */ 2169 return (0); 2170 case CONS_GET: 2171 /* XXX */ 2172 *(int *)data = M_CG640x480; 2173 return (0); 2174 case CONS_BELLTYPE: /* set bell type sound */ 2175 if ((*(int *)data) & CONS_QUIET_BELL) 2176 vd->vd_flags |= VDF_QUIET_BELL; 2177 else 2178 vd->vd_flags &= ~VDF_QUIET_BELL; 2179 return (0); 2180 case CONS_GETINFO: { 2181 vid_info_t *vi = (vid_info_t *)data; 2182 if (vi->size != sizeof(struct vid_info)) 2183 return (EINVAL); 2184 2185 if (vw == vd->vd_curwindow) { 2186 mtx_lock(&Giant); 2187 kbd = kbd_get_keyboard(vd->vd_keyboard); 2188 if (kbd != NULL) 2189 vt_save_kbd_state(vw, kbd); 2190 mtx_unlock(&Giant); 2191 } 2192 2193 vi->m_num = vd->vd_curwindow->vw_number + 1; 2194 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK; 2195 /* XXX: other fields! */ 2196 return (0); 2197 } 2198 case CONS_GETVERS: 2199 *(int *)data = 0x200; 2200 return (0); 2201 case CONS_MODEINFO: 2202 /* XXX */ 2203 return (0); 2204 case CONS_MOUSECTL: { 2205 mouse_info_t *mouse = (mouse_info_t*)data; 2206 2207 /* 2208 * All the commands except MOUSE_SHOW nd MOUSE_HIDE 2209 * should not be applied to individual TTYs, but only to 2210 * consolectl. 2211 */ 2212 switch (mouse->operation) { 2213 case MOUSE_HIDE: 2214 if (vd->vd_flags & VDF_MOUSECURSOR) { 2215 vd->vd_flags &= ~VDF_MOUSECURSOR; 2216#ifndef SC_NO_CUTPASTE 2217 vt_mouse_state(VT_MOUSE_HIDE); 2218#endif 2219 } 2220 return (0); 2221 case MOUSE_SHOW: 2222 if (!(vd->vd_flags & VDF_MOUSECURSOR)) { 2223 vd->vd_flags |= VDF_MOUSECURSOR; 2224 vd->vd_mx = vd->vd_width / 2; 2225 vd->vd_my = vd->vd_height / 2; 2226#ifndef SC_NO_CUTPASTE 2227 vt_mouse_state(VT_MOUSE_SHOW); 2228#endif 2229 } 2230 return (0); 2231 default: 2232 return (EINVAL); 2233 } 2234 } 2235 case PIO_VFONT: { 2236 struct vt_font *vf; 2237 2238 if (vd->vd_flags & VDF_TEXTMODE) 2239 return (ENOTSUP); 2240 2241 error = vtfont_load((void *)data, &vf); 2242 if (error != 0) 2243 return (error); 2244 2245 error = vt_change_font(vw, vf); 2246 vtfont_unref(vf); 2247 return (error); 2248 } 2249 case PIO_VFONT_DEFAULT: { 2250 /* Reset to default font. */ 2251 error = vt_change_font(vw, &vt_font_default); 2252 return (error); 2253 } 2254 case GIO_SCRNMAP: { 2255 scrmap_t *sm = (scrmap_t *)data; 2256 2257 /* We don't have screen maps, so return a handcrafted one. */ 2258 for (i = 0; i < 256; i++) 2259 sm->scrmap[i] = i; 2260 return (0); 2261 } 2262 case KDSETMODE: 2263 /* 2264 * FIXME: This implementation is incomplete compared to 2265 * syscons. 2266 */ 2267 switch (*(int *)data) { 2268 case KD_TEXT: 2269 case KD_TEXT1: 2270 case KD_PIXEL: 2271 vw->vw_flags &= ~VWF_GRAPHICS; 2272 break; 2273 case KD_GRAPHICS: 2274 vw->vw_flags |= VWF_GRAPHICS; 2275 break; 2276 } 2277 return (0); 2278 case KDENABIO: /* allow io operations */ 2279 error = priv_check(td, PRIV_IO); 2280 if (error != 0) 2281 return (error); 2282 error = securelevel_gt(td->td_ucred, 0); 2283 if (error != 0) 2284 return (error); 2285#if defined(__i386__) 2286 td->td_frame->tf_eflags |= PSL_IOPL; 2287#elif defined(__amd64__) 2288 td->td_frame->tf_rflags |= PSL_IOPL; 2289#endif 2290 return (0); 2291 case KDDISABIO: /* disallow io operations (default) */ 2292#if defined(__i386__) 2293 td->td_frame->tf_eflags &= ~PSL_IOPL; 2294#elif defined(__amd64__) 2295 td->td_frame->tf_rflags &= ~PSL_IOPL; 2296#endif 2297 return (0); 2298 case KDMKTONE: /* sound the bell */ 2299 vtterm_beep(tm, *(u_int *)data); 2300 return (0); 2301 case KIOCSOUND: /* make tone (*data) hz */ 2302 /* TODO */ 2303 return (0); 2304 case CONS_SETKBD: /* set the new keyboard */ 2305 mtx_lock(&Giant); 2306 error = 0; 2307 if (vd->vd_keyboard != *(int *)data) { 2308 kbd = kbd_get_keyboard(*(int *)data); 2309 if (kbd == NULL) { 2310 mtx_unlock(&Giant); 2311 return (EINVAL); 2312 } 2313 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, 2314 (void *)vd, vt_kbdevent, vd); 2315 if (i >= 0) { 2316 if (vd->vd_keyboard != -1) { 2317 vt_save_kbd_state(vd->vd_curwindow, kbd); 2318 kbd_release(kbd, (void *)vd); 2319 } 2320 kbd = kbd_get_keyboard(i); 2321 vd->vd_keyboard = i; 2322 2323 vt_update_kbd_mode(vd->vd_curwindow, kbd); 2324 vt_update_kbd_state(vd->vd_curwindow, kbd); 2325 } else { 2326 error = EPERM; /* XXX */ 2327 } 2328 } 2329 mtx_unlock(&Giant); 2330 return (error); 2331 case CONS_RELKBD: /* release the current keyboard */ 2332 mtx_lock(&Giant); 2333 error = 0; 2334 if (vd->vd_keyboard != -1) { 2335 kbd = kbd_get_keyboard(vd->vd_keyboard); 2336 if (kbd == NULL) { 2337 mtx_unlock(&Giant); 2338 return (EINVAL); 2339 } 2340 vt_save_kbd_state(vd->vd_curwindow, kbd); 2341 error = kbd_release(kbd, (void *)vd); 2342 if (error == 0) { 2343 vd->vd_keyboard = -1; 2344 } 2345 } 2346 mtx_unlock(&Giant); 2347 return (error); 2348 case VT_ACTIVATE: { 2349 int win; 2350 win = *(int *)data - 1; 2351 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME, 2352 VT_UNIT(vw), win); 2353 if ((win >= VT_MAXWINDOWS) || (win < 0)) 2354 return (EINVAL); 2355 return (vt_proc_window_switch(vd->vd_windows[win])); 2356 } 2357 case VT_GETACTIVE: 2358 *(int *)data = vd->vd_curwindow->vw_number + 1; 2359 return (0); 2360 case VT_GETINDEX: 2361 *(int *)data = vw->vw_number + 1; 2362 return (0); 2363 case VT_LOCKSWITCH: 2364 /* TODO: Check current state, switching can be in progress. */ 2365 if ((*(int *)data) == 0x01) 2366 vw->vw_flags |= VWF_VTYLOCK; 2367 else if ((*(int *)data) == 0x02) 2368 vw->vw_flags &= ~VWF_VTYLOCK; 2369 else 2370 return (EINVAL); 2371 return (0); 2372 case VT_OPENQRY: 2373 VT_LOCK(vd); 2374 for (i = 0; i < VT_MAXWINDOWS; i++) { 2375 vw = vd->vd_windows[i]; 2376 if (vw == NULL) 2377 continue; 2378 if (!(vw->vw_flags & VWF_OPENED)) { 2379 *(int *)data = vw->vw_number + 1; 2380 VT_UNLOCK(vd); 2381 return (0); 2382 } 2383 } 2384 VT_UNLOCK(vd); 2385 return (EINVAL); 2386 case VT_WAITACTIVE: { 2387 unsigned int idx; 2388 2389 error = 0; 2390 2391 idx = *(unsigned int *)data; 2392 if (idx > VT_MAXWINDOWS) 2393 return (EINVAL); 2394 if (idx > 0) 2395 vw = vd->vd_windows[idx - 1]; 2396 2397 VT_LOCK(vd); 2398 while (vd->vd_curwindow != vw && error == 0) 2399 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2400 VT_UNLOCK(vd); 2401 return (error); 2402 } 2403 case VT_SETMODE: { /* set screen switcher mode */ 2404 struct vt_mode *mode; 2405 struct proc *p1; 2406 2407 mode = (struct vt_mode *)data; 2408 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw)); 2409 if (vw->vw_smode.mode == VT_PROCESS) { 2410 p1 = pfind(vw->vw_pid); 2411 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) { 2412 if (p1) 2413 PROC_UNLOCK(p1); 2414 DPRINTF(5, "error EPERM\n"); 2415 return (EPERM); 2416 } 2417 if (p1) 2418 PROC_UNLOCK(p1); 2419 } 2420 if (mode->mode == VT_AUTO) { 2421 vw->vw_smode.mode = VT_AUTO; 2422 vw->vw_proc = NULL; 2423 vw->vw_pid = 0; 2424 DPRINTF(5, "VT_AUTO, "); 2425 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2426 cnavailable(vw->vw_terminal->consdev, TRUE); 2427 /* were we in the middle of the vty switching process? */ 2428 if (finish_vt_rel(vw, TRUE, &s) == 0) 2429 DPRINTF(5, "reset WAIT_REL, "); 2430 if (finish_vt_acq(vw) == 0) 2431 DPRINTF(5, "reset WAIT_ACQ, "); 2432 return (0); 2433 } else if (mode->mode == VT_PROCESS) { 2434 if (!ISSIGVALID(mode->relsig) || 2435 !ISSIGVALID(mode->acqsig) || 2436 !ISSIGVALID(mode->frsig)) { 2437 DPRINTF(5, "error EINVAL\n"); 2438 return (EINVAL); 2439 } 2440 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid); 2441 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode)); 2442 vw->vw_proc = td->td_proc; 2443 vw->vw_pid = vw->vw_proc->p_pid; 2444 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2445 cnavailable(vw->vw_terminal->consdev, FALSE); 2446 } else { 2447 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n", 2448 mode->mode); 2449 return (EINVAL); 2450 } 2451 DPRINTF(5, "\n"); 2452 return (0); 2453 } 2454 case VT_GETMODE: /* get screen switcher mode */ 2455 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode)); 2456 return (0); 2457 2458 case VT_RELDISP: /* screen switcher ioctl */ 2459 /* 2460 * This must be the current vty which is in the VT_PROCESS 2461 * switching mode... 2462 */ 2463 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode != 2464 VT_PROCESS)) { 2465 return (EINVAL); 2466 } 2467 /* ...and this process is controlling it. */ 2468 if (vw->vw_proc != td->td_proc) { 2469 return (EPERM); 2470 } 2471 error = EINVAL; 2472 switch(*(int *)data) { 2473 case VT_FALSE: /* user refuses to release screen, abort */ 2474 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0) 2475 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n", 2476 SC_DRIVER_NAME, VT_UNIT(vw)); 2477 break; 2478 case VT_TRUE: /* user has released screen, go on */ 2479 /* finish_vt_rel(..., TRUE, ...) should not be locked */ 2480 if (vw->vw_flags & VWF_SWWAIT_REL) { 2481 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0) 2482 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n", 2483 SC_DRIVER_NAME, VT_UNIT(vw)); 2484 } else { 2485 error = EINVAL; 2486 } 2487 return (error); 2488 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 2489 if ((error = finish_vt_acq(vw)) == 0) 2490 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n", 2491 SC_DRIVER_NAME, VT_UNIT(vw)); 2492 break; 2493 default: 2494 break; 2495 } 2496 return (error); 2497 } 2498 2499 return (ENOIOCTL); 2500} 2501 2502static struct vt_window * 2503vt_allocate_window(struct vt_device *vd, unsigned int window) 2504{ 2505 struct vt_window *vw; 2506 struct terminal *tm; 2507 term_pos_t size; 2508 struct winsize wsz; 2509 2510 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO); 2511 vw->vw_device = vd; 2512 vw->vw_number = window; 2513 vw->vw_kbdmode = K_XLATE; 2514 2515 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 2516 vw->vw_font = vtfont_ref(&vt_font_default); 2517 vt_compute_drawable_area(vw); 2518 } 2519 2520 vt_termsize(vd, vw->vw_font, &size); 2521 vt_winsize(vd, vw->vw_font, &wsz); 2522 vtbuf_init(&vw->vw_buf, &size); 2523 2524 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw); 2525 terminal_set_winsize(tm, &wsz); 2526 vd->vd_windows[window] = vw; 2527 callout_init(&vw->vw_proc_dead_timer, 0); 2528 2529 return (vw); 2530} 2531 2532void 2533vt_upgrade(struct vt_device *vd) 2534{ 2535 struct vt_window *vw; 2536 unsigned int i; 2537 int register_handlers; 2538 2539 if (!vty_enabled(VTY_VT)) 2540 return; 2541 if (main_vd->vd_driver == NULL) 2542 return; 2543 2544 for (i = 0; i < VT_MAXWINDOWS; i++) { 2545 vw = vd->vd_windows[i]; 2546 if (vw == NULL) { 2547 /* New window. */ 2548 vw = vt_allocate_window(vd, i); 2549 } 2550 if (!(vw->vw_flags & VWF_READY)) { 2551 callout_init(&vw->vw_proc_dead_timer, 0); 2552 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw)); 2553 vw->vw_flags |= VWF_READY; 2554 if (vw->vw_flags & VWF_CONSOLE) { 2555 /* For existing console window. */ 2556 EVENTHANDLER_REGISTER(shutdown_pre_sync, 2557 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT); 2558 } 2559 } 2560 2561 } 2562 VT_LOCK(vd); 2563 if (vd->vd_curwindow == NULL) 2564 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW]; 2565 2566 register_handlers = 0; 2567 if (!(vd->vd_flags & VDF_ASYNC)) { 2568 /* Attach keyboard. */ 2569 vt_allocate_keyboard(vd); 2570 2571 /* Init 25 Hz timer. */ 2572 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0); 2573 2574 /* Start timer when everything ready. */ 2575 vd->vd_flags |= VDF_ASYNC; 2576 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd); 2577 vd->vd_timer_armed = 1; 2578 register_handlers = 1; 2579 } 2580 2581 VT_UNLOCK(vd); 2582 2583 /* Refill settings with new sizes. */ 2584 vt_resize(vd); 2585 2586 if (register_handlers) { 2587 /* Register suspend/resume handlers. */ 2588 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler, 2589 vd, EVENTHANDLER_PRI_ANY); 2590 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd, 2591 EVENTHANDLER_PRI_ANY); 2592 } 2593} 2594 2595static void 2596vt_resize(struct vt_device *vd) 2597{ 2598 struct vt_window *vw; 2599 int i; 2600 2601 for (i = 0; i < VT_MAXWINDOWS; i++) { 2602 vw = vd->vd_windows[i]; 2603 VT_LOCK(vd); 2604 /* Assign default font to window, if not textmode. */ 2605 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL) 2606 vw->vw_font = vtfont_ref(&vt_font_default); 2607 VT_UNLOCK(vd); 2608 2609 /* Resize terminal windows */ 2610 while (vt_change_font(vw, vw->vw_font) == EBUSY) { 2611 DPRINTF(100, "%s: vt_change_font() is busy, " 2612 "window %d\n", __func__, i); 2613 } 2614 } 2615} 2616 2617void 2618vt_allocate(struct vt_driver *drv, void *softc) 2619{ 2620 struct vt_device *vd; 2621 2622 if (!vty_enabled(VTY_VT)) 2623 return; 2624 2625 if (main_vd->vd_driver == NULL) { 2626 main_vd->vd_driver = drv; 2627 printf("VT: initialize with new VT driver \"%s\".\n", 2628 drv->vd_name); 2629 } else { 2630 /* 2631 * Check if have rights to replace current driver. For example: 2632 * it is bad idea to replace KMS driver with generic VGA one. 2633 */ 2634 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) { 2635 printf("VT: Driver priority %d too low. Current %d\n ", 2636 drv->vd_priority, main_vd->vd_driver->vd_priority); 2637 return; 2638 } 2639 printf("VT: Replacing driver \"%s\" with new \"%s\".\n", 2640 main_vd->vd_driver->vd_name, drv->vd_name); 2641 } 2642 vd = main_vd; 2643 2644 if (vd->vd_flags & VDF_ASYNC) { 2645 /* Stop vt_flush periodic task. */ 2646 VT_LOCK(vd); 2647 vt_suspend_flush_timer(vd); 2648 VT_UNLOCK(vd); 2649 /* 2650 * Mute current terminal until we done. vt_change_font (called 2651 * from vt_resize) will unmute it. 2652 */ 2653 terminal_mute(vd->vd_curwindow->vw_terminal, 1); 2654 } 2655 2656 /* 2657 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will 2658 * set it. 2659 */ 2660 VT_LOCK(vd); 2661 vd->vd_flags &= ~VDF_TEXTMODE; 2662 2663 vd->vd_driver = drv; 2664 vd->vd_softc = softc; 2665 vd->vd_driver->vd_init(vd); 2666 VT_UNLOCK(vd); 2667 2668 /* Update windows sizes and initialize last items. */ 2669 vt_upgrade(vd); 2670 2671#ifdef DEV_SPLASH 2672 if (vd->vd_flags & VDF_SPLASH) 2673 vtterm_splash(vd); 2674#endif 2675 2676 if (vd->vd_flags & VDF_ASYNC) { 2677 /* Allow to put chars now. */ 2678 terminal_mute(vd->vd_curwindow->vw_terminal, 0); 2679 /* Rerun timer for screen updates. */ 2680 vt_resume_flush_timer(vd, 0); 2681 } 2682 2683 /* 2684 * Register as console. If it already registered, cnadd() will ignore 2685 * it. 2686 */ 2687 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal); 2688} 2689 2690static void 2691vt_suspend_handler(void *priv) 2692{ 2693 struct vt_device *vd; 2694 2695 vd = priv; 2696 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL) 2697 vd->vd_driver->vd_suspend(vd); 2698} 2699 2700static void 2701vt_resume_handler(void *priv) 2702{ 2703 struct vt_device *vd; 2704 2705 vd = priv; 2706 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL) 2707 vd->vd_driver->vd_resume(vd); 2708} 2709 2710void 2711vt_suspend(struct vt_device *vd) 2712{ 2713 int error; 2714 2715 if (vt_suspendswitch == 0) 2716 return; 2717 /* Save current window. */ 2718 vd->vd_savedwindow = vd->vd_curwindow; 2719 /* Ask holding process to free window and switch to console window */ 2720 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]); 2721 2722 /* Wait for the window switch to complete. */ 2723 error = 0; 2724 VT_LOCK(vd); 2725 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0) 2726 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2727 VT_UNLOCK(vd); 2728} 2729 2730void 2731vt_resume(struct vt_device *vd) 2732{ 2733 2734 if (vt_suspendswitch == 0) 2735 return; 2736 /* Switch back to saved window, if any */ 2737 vt_proc_window_switch(vd->vd_savedwindow); 2738 vd->vd_savedwindow = NULL; 2739} 2740