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