1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009, 2013 The FreeBSD Foundation 5 * 6 * This software was developed by Ed Schouten under sponsorship from the 7 * FreeBSD Foundation. 8 * 9 * Portions of this software were developed by Oleksandr Rybalko 10 * under sponsorship from the FreeBSD Foundation. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 __FBSDID("$FreeBSD$"); 36 37 #include <sys/param.h> 38 #include <sys/consio.h> 39 #include <sys/eventhandler.h> 40 #include <sys/fbio.h> 41 #include <sys/font.h> 42 #include <sys/kbio.h> 43 #include <sys/kdb.h> 44 #include <sys/kernel.h> 45 #include <sys/linker.h> 46 #include <sys/lock.h> 47 #include <sys/malloc.h> 48 #include <sys/mutex.h> 49 #include <sys/power.h> 50 #include <sys/priv.h> 51 #include <sys/proc.h> 52 #include <sys/random.h> 53 #include <sys/reboot.h> 54 #include <sys/systm.h> 55 #include <sys/terminal.h> 56 57 #include <dev/kbd/kbdreg.h> 58 #include <dev/vt/vt.h> 59 60 #if defined(__i386__) || defined(__amd64__) 61 #include <machine/psl.h> 62 #include <machine/frame.h> 63 #endif 64 65 static int vtterm_cngrab_noswitch(struct vt_device *, struct vt_window *); 66 static int vtterm_cnungrab_noswitch(struct vt_device *, struct vt_window *); 67 68 static tc_bell_t vtterm_bell; 69 static tc_cursor_t vtterm_cursor; 70 static tc_putchar_t vtterm_putchar; 71 static tc_fill_t vtterm_fill; 72 static tc_copy_t vtterm_copy; 73 static tc_pre_input_t vtterm_pre_input; 74 static tc_post_input_t vtterm_post_input; 75 static tc_param_t vtterm_param; 76 static tc_done_t vtterm_done; 77 78 static tc_cnprobe_t vtterm_cnprobe; 79 static tc_cngetc_t vtterm_cngetc; 80 81 static tc_cngrab_t vtterm_cngrab; 82 static tc_cnungrab_t vtterm_cnungrab; 83 84 static tc_opened_t vtterm_opened; 85 static tc_ioctl_t vtterm_ioctl; 86 static tc_mmap_t vtterm_mmap; 87 88 const struct terminal_class vt_termclass = { 89 .tc_bell = vtterm_bell, 90 .tc_cursor = vtterm_cursor, 91 .tc_putchar = vtterm_putchar, 92 .tc_fill = vtterm_fill, 93 .tc_copy = vtterm_copy, 94 .tc_pre_input = vtterm_pre_input, 95 .tc_post_input = vtterm_post_input, 96 .tc_param = vtterm_param, 97 .tc_done = vtterm_done, 98 99 .tc_cnprobe = vtterm_cnprobe, 100 .tc_cngetc = vtterm_cngetc, 101 102 .tc_cngrab = vtterm_cngrab, 103 .tc_cnungrab = vtterm_cnungrab, 104 105 .tc_opened = vtterm_opened, 106 .tc_ioctl = vtterm_ioctl, 107 .tc_mmap = vtterm_mmap, 108 }; 109 110 /* 111 * Use a constant timer of 25 Hz to redraw the screen. 112 * 113 * XXX: In theory we should only fire up the timer when there is really 114 * activity. Unfortunately we cannot always start timers. We really 115 * don't want to process kernel messages synchronously, because it 116 * really slows down the system. 117 */ 118 #define VT_TIMERFREQ 25 119 120 /* Bell pitch/duration. */ 121 #define VT_BELLDURATION ((5 * hz + 99) / 100) 122 #define VT_BELLPITCH 800 123 124 #define VT_UNIT(vw) ((vw)->vw_device->vd_unit * VT_MAXWINDOWS + \ 125 (vw)->vw_number) 126 127 static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 128 "vt(9) parameters"); 129 static VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)"); 130 static VT_SYSCTL_INT(enable_bell, 1, "Enable bell"); 131 static VT_SYSCTL_INT(debug, 0, "vt(9) debug level"); 132 static VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode"); 133 static VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend"); 134 135 /* Allow to disable some keyboard combinations. */ 136 static VT_SYSCTL_INT(kbd_halt, 1, "Enable halt keyboard combination. " 137 "See kbdmap(5) to configure."); 138 static VT_SYSCTL_INT(kbd_poweroff, 1, "Enable Power Off keyboard combination. " 139 "See kbdmap(5) to configure."); 140 static VT_SYSCTL_INT(kbd_reboot, 1, "Enable reboot keyboard combination. " 141 "See kbdmap(5) to configure (typically Ctrl-Alt-Delete)."); 142 static VT_SYSCTL_INT(kbd_debug, 1, "Enable key combination to enter debugger. " 143 "See kbdmap(5) to configure (typically Ctrl-Alt-Esc)."); 144 static VT_SYSCTL_INT(kbd_panic, 0, "Enable request to panic. " 145 "See kbdmap(5) to configure."); 146 147 /* Used internally, not a tunable. */ 148 int vt_draw_logo_cpus; 149 VT_SYSCTL_INT(splash_cpu, 0, "Show logo CPUs during boot"); 150 VT_SYSCTL_INT(splash_ncpu, 0, "Override number of logos displayed " 151 "(0 = do not override)"); 152 VT_SYSCTL_INT(splash_cpu_style, 2, "Draw logo style " 153 "(0 = Alternate beastie, 1 = Beastie, 2 = Orb)"); 154 VT_SYSCTL_INT(splash_cpu_duration, 10, "Hide logos after (seconds)"); 155 156 static unsigned int vt_unit = 0; 157 static MALLOC_DEFINE(M_VT, "vt", "vt device"); 158 struct vt_device *main_vd = &vt_consdev; 159 160 /* Boot logo. */ 161 extern unsigned int vt_logo_width; 162 extern unsigned int vt_logo_height; 163 extern unsigned int vt_logo_depth; 164 extern unsigned char vt_logo_image[]; 165 #ifndef DEV_SPLASH 166 #define vtterm_draw_cpu_logos(...) do {} while (0) 167 const unsigned int vt_logo_sprite_height; 168 #endif 169 170 /* 171 * Console font. vt_font_loader will be filled with font data passed 172 * by loader. If there is no font passed by boot loader, we use built in 173 * default. 174 */ 175 extern struct vt_font vt_font_default; 176 static struct vt_font vt_font_loader; 177 static struct vt_font *vt_font_assigned = &vt_font_default; 178 179 #ifndef SC_NO_CUTPASTE 180 extern struct vt_mouse_cursor vt_default_mouse_pointer; 181 #endif 182 183 static int signal_vt_rel(struct vt_window *); 184 static int signal_vt_acq(struct vt_window *); 185 static int finish_vt_rel(struct vt_window *, int, int *); 186 static int finish_vt_acq(struct vt_window *); 187 static int vt_window_switch(struct vt_window *); 188 static int vt_late_window_switch(struct vt_window *); 189 static int vt_proc_alive(struct vt_window *); 190 static void vt_resize(struct vt_device *); 191 static void vt_update_static(void *); 192 #ifndef SC_NO_CUTPASTE 193 static void vt_mouse_paste(void); 194 #endif 195 static void vt_suspend_handler(void *priv); 196 static void vt_resume_handler(void *priv); 197 198 SET_DECLARE(vt_drv_set, struct vt_driver); 199 200 #define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)) 201 #define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_MAX_WIDTH)) 202 203 struct terminal vt_consterm; 204 static struct vt_window vt_conswindow; 205 #ifndef SC_NO_CONSDRAWN 206 static term_char_t vt_consdrawn[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 207 static term_color_t vt_consdrawnfg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 208 static term_color_t vt_consdrawnbg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 209 #endif 210 struct vt_device vt_consdev = { 211 .vd_driver = NULL, 212 .vd_softc = NULL, 213 .vd_prev_driver = NULL, 214 .vd_prev_softc = NULL, 215 .vd_flags = VDF_INVALID, 216 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, }, 217 .vd_curwindow = &vt_conswindow, 218 .vd_kbstate = 0, 219 220 #ifndef SC_NO_CUTPASTE 221 .vd_pastebuf = { 222 .vpb_buf = NULL, 223 .vpb_bufsz = 0, 224 .vpb_len = 0 225 }, 226 .vd_mcursor = &vt_default_mouse_pointer, 227 .vd_mcursor_fg = TC_WHITE, 228 .vd_mcursor_bg = TC_BLACK, 229 #endif 230 231 #ifndef SC_NO_CONSDRAWN 232 .vd_drawn = vt_consdrawn, 233 .vd_drawnfg = vt_consdrawnfg, 234 .vd_drawnbg = vt_consdrawnbg, 235 #endif 236 }; 237 static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)]; 238 static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE]; 239 static struct vt_window vt_conswindow = { 240 .vw_number = VT_CONSWINDOW, 241 .vw_flags = VWF_CONSOLE, 242 .vw_buf = { 243 .vb_buffer = &vt_constextbuf[0], 244 .vb_rows = &vt_constextbufrows[0], 245 .vb_history_size = VBF_DEFAULT_HISTORY_SIZE, 246 .vb_curroffset = 0, 247 .vb_roffset = 0, 248 .vb_flags = VBF_STATIC, 249 .vb_mark_start = {.tp_row = 0, .tp_col = 0,}, 250 .vb_mark_end = {.tp_row = 0, .tp_col = 0,}, 251 .vb_scr_size = { 252 .tp_row = _VTDEFH, 253 .tp_col = _VTDEFW, 254 }, 255 }, 256 .vw_device = &vt_consdev, 257 .vw_terminal = &vt_consterm, 258 .vw_kbdmode = K_XLATE, 259 .vw_grabbed = 0, 260 }; 261 struct terminal vt_consterm = { 262 .tm_class = &vt_termclass, 263 .tm_softc = &vt_conswindow, 264 .tm_flags = TF_CONS, 265 }; 266 static struct consdev vt_consterm_consdev = { 267 .cn_ops = &termcn_cnops, 268 .cn_arg = &vt_consterm, 269 .cn_name = "ttyv0", 270 }; 271 272 /* Add to set of consoles. */ 273 DATA_SET(cons_set, vt_consterm_consdev); 274 275 /* 276 * Right after kmem is done to allow early drivers to use locking and allocate 277 * memory. 278 */ 279 SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static, 280 &vt_consdev); 281 /* Delay until all devices attached, to not waste time. */ 282 SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade, 283 &vt_consdev); 284 285 /* Initialize locks/mem depended members. */ 286 static void 287 vt_update_static(void *dummy) 288 { 289 290 if (!vty_enabled(VTY_VT)) 291 return; 292 if (main_vd->vd_driver != NULL) 293 printf("VT(%s): %s %ux%u\n", main_vd->vd_driver->vd_name, 294 (main_vd->vd_flags & VDF_TEXTMODE) ? "text" : "resolution", 295 main_vd->vd_width, main_vd->vd_height); 296 else 297 printf("VT: init without driver.\n"); 298 299 mtx_init(&main_vd->vd_lock, "vtdev", NULL, MTX_DEF); 300 cv_init(&main_vd->vd_winswitch, "vtwswt"); 301 } 302 303 static void 304 vt_schedule_flush(struct vt_device *vd, int ms) 305 { 306 307 if (ms <= 0) 308 /* Default to initial value. */ 309 ms = 1000 / VT_TIMERFREQ; 310 311 callout_schedule(&vd->vd_timer, hz / (1000 / ms)); 312 } 313 314 void 315 vt_resume_flush_timer(struct vt_window *vw, int ms) 316 { 317 struct vt_device *vd = vw->vw_device; 318 319 if (vd->vd_curwindow != vw) 320 return; 321 322 if (!(vd->vd_flags & VDF_ASYNC) || 323 !atomic_cmpset_int(&vd->vd_timer_armed, 0, 1)) 324 return; 325 326 vt_schedule_flush(vd, ms); 327 } 328 329 static void 330 vt_suspend_flush_timer(struct vt_device *vd) 331 { 332 /* 333 * As long as this function is called locked, callout_stop() 334 * has the same effect like callout_drain() with regard to 335 * preventing the callback function from executing. 336 */ 337 VT_LOCK_ASSERT(vd, MA_OWNED); 338 339 if (!(vd->vd_flags & VDF_ASYNC) || 340 !atomic_cmpset_int(&vd->vd_timer_armed, 1, 0)) 341 return; 342 343 callout_stop(&vd->vd_timer); 344 } 345 346 static void 347 vt_switch_timer(void *arg) 348 { 349 350 (void)vt_late_window_switch((struct vt_window *)arg); 351 } 352 353 static int 354 vt_save_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 355 { 356 int mode, ret; 357 358 mode = 0; 359 ret = kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode); 360 if (ret == ENOIOCTL) 361 ret = ENODEV; 362 if (ret != 0) 363 return (ret); 364 365 vw->vw_kbdmode = mode; 366 367 return (0); 368 } 369 370 static int 371 vt_update_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 372 { 373 int ret; 374 375 ret = kbdd_ioctl(kbd, KDSKBMODE, (caddr_t)&vw->vw_kbdmode); 376 if (ret == ENOIOCTL) 377 ret = ENODEV; 378 379 return (ret); 380 } 381 382 static int 383 vt_save_kbd_state(struct vt_window *vw, keyboard_t *kbd) 384 { 385 int state, ret; 386 387 state = 0; 388 ret = kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state); 389 if (ret == ENOIOCTL) 390 ret = ENODEV; 391 if (ret != 0) 392 return (ret); 393 394 vw->vw_kbdstate &= ~LOCK_MASK; 395 vw->vw_kbdstate |= state & LOCK_MASK; 396 397 return (0); 398 } 399 400 static int 401 vt_update_kbd_state(struct vt_window *vw, keyboard_t *kbd) 402 { 403 int state, ret; 404 405 state = vw->vw_kbdstate & LOCK_MASK; 406 ret = kbdd_ioctl(kbd, KDSKBSTATE, (caddr_t)&state); 407 if (ret == ENOIOCTL) 408 ret = ENODEV; 409 410 return (ret); 411 } 412 413 static int 414 vt_save_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 415 { 416 int leds, ret; 417 418 leds = 0; 419 ret = kbdd_ioctl(kbd, KDGETLED, (caddr_t)&leds); 420 if (ret == ENOIOCTL) 421 ret = ENODEV; 422 if (ret != 0) 423 return (ret); 424 425 vw->vw_kbdstate &= ~LED_MASK; 426 vw->vw_kbdstate |= leds & LED_MASK; 427 428 return (0); 429 } 430 431 static int 432 vt_update_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 433 { 434 int leds, ret; 435 436 leds = vw->vw_kbdstate & LED_MASK; 437 ret = kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 438 if (ret == ENOIOCTL) 439 ret = ENODEV; 440 441 return (ret); 442 } 443 444 static int 445 vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw) 446 { 447 448 DPRINTF(40, "%s\n", __func__); 449 curvw->vw_switch_to = vw; 450 /* Set timer to allow switch in case when process hang. */ 451 callout_reset(&vw->vw_proc_dead_timer, hz * vt_deadtimer, 452 vt_switch_timer, (void *)vw); 453 /* Notify process about vt switch attempt. */ 454 DPRINTF(30, "%s: Notify process.\n", __func__); 455 signal_vt_rel(curvw); 456 457 return (0); 458 } 459 460 static int 461 vt_window_postswitch(struct vt_window *vw) 462 { 463 464 signal_vt_acq(vw); 465 return (0); 466 } 467 468 /* vt_late_window_switch will do VT switching for regular case. */ 469 static int 470 vt_late_window_switch(struct vt_window *vw) 471 { 472 struct vt_window *curvw; 473 int ret; 474 475 callout_stop(&vw->vw_proc_dead_timer); 476 477 ret = vt_window_switch(vw); 478 if (ret != 0) { 479 /* 480 * If the switch hasn't happened, then return the VT 481 * to the current owner, if any. 482 */ 483 curvw = vw->vw_device->vd_curwindow; 484 if (curvw->vw_smode.mode == VT_PROCESS) 485 (void)vt_window_postswitch(curvw); 486 return (ret); 487 } 488 489 /* Notify owner process about terminal availability. */ 490 if (vw->vw_smode.mode == VT_PROCESS) { 491 ret = vt_window_postswitch(vw); 492 } 493 return (ret); 494 } 495 496 /* Switch window. */ 497 static int 498 vt_proc_window_switch(struct vt_window *vw) 499 { 500 struct vt_window *curvw; 501 struct vt_device *vd; 502 int ret; 503 504 /* Prevent switching to NULL */ 505 if (vw == NULL) { 506 DPRINTF(30, "%s: Cannot switch: vw is NULL.", __func__); 507 return (EINVAL); 508 } 509 vd = vw->vw_device; 510 curvw = vd->vd_curwindow; 511 512 /* Check if virtual terminal is locked */ 513 if (curvw->vw_flags & VWF_VTYLOCK) 514 return (EBUSY); 515 516 /* Check if switch already in progress */ 517 if (curvw->vw_flags & VWF_SWWAIT_REL) { 518 /* Check if switching to same window */ 519 if (curvw->vw_switch_to == vw) { 520 DPRINTF(30, "%s: Switch in progress to same vw.", __func__); 521 return (0); /* success */ 522 } 523 DPRINTF(30, "%s: Switch in progress to different vw.", __func__); 524 return (EBUSY); 525 } 526 527 /* Avoid switching to already selected window */ 528 if (vw == curvw) { 529 DPRINTF(30, "%s: Cannot switch: vw == curvw.", __func__); 530 return (0); /* success */ 531 } 532 533 /* 534 * Early check for an attempt to switch to a non-functional VT. 535 * The same check is done in vt_window_switch(), but it's better 536 * to fail as early as possible to avoid needless pre-switch 537 * actions. 538 */ 539 VT_LOCK(vd); 540 if ((vw->vw_flags & (VWF_OPENED|VWF_CONSOLE)) == 0) { 541 VT_UNLOCK(vd); 542 return (EINVAL); 543 } 544 VT_UNLOCK(vd); 545 546 /* Ask current process permission to switch away. */ 547 if (curvw->vw_smode.mode == VT_PROCESS) { 548 DPRINTF(30, "%s: VT_PROCESS ", __func__); 549 if (vt_proc_alive(curvw) == FALSE) { 550 DPRINTF(30, "Dead. Cleaning."); 551 /* Dead */ 552 } else { 553 DPRINTF(30, "%s: Signaling process.\n", __func__); 554 /* Alive, try to ask him. */ 555 ret = vt_window_preswitch(vw, curvw); 556 /* Wait for process answer or timeout. */ 557 return (ret); 558 } 559 DPRINTF(30, "\n"); 560 } 561 562 ret = vt_late_window_switch(vw); 563 return (ret); 564 } 565 566 /* Switch window ignoring process locking. */ 567 static int 568 vt_window_switch(struct vt_window *vw) 569 { 570 struct vt_device *vd = vw->vw_device; 571 struct vt_window *curvw = vd->vd_curwindow; 572 keyboard_t *kbd; 573 574 if (kdb_active) { 575 /* 576 * When grabbing the console for the debugger, avoid 577 * locks as that can result in deadlock. While this 578 * could use try locks, that wouldn't really make a 579 * difference as there are sufficient barriers in 580 * debugger entry/exit to be equivalent to 581 * successfully try-locking here. 582 */ 583 if (curvw == vw) 584 return (0); 585 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) 586 return (EINVAL); 587 588 vd->vd_curwindow = vw; 589 vd->vd_flags |= VDF_INVALID; 590 if (vd->vd_driver->vd_postswitch) 591 vd->vd_driver->vd_postswitch(vd); 592 return (0); 593 } 594 595 VT_LOCK(vd); 596 if (curvw == vw) { 597 /* Nothing to do. */ 598 VT_UNLOCK(vd); 599 return (0); 600 } 601 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) { 602 VT_UNLOCK(vd); 603 return (EINVAL); 604 } 605 606 vt_suspend_flush_timer(vd); 607 608 vd->vd_curwindow = vw; 609 vd->vd_flags |= VDF_INVALID; 610 cv_broadcast(&vd->vd_winswitch); 611 VT_UNLOCK(vd); 612 613 if (vd->vd_driver->vd_postswitch) 614 vd->vd_driver->vd_postswitch(vd); 615 616 vt_resume_flush_timer(vw, 0); 617 618 /* Restore per-window keyboard mode. */ 619 mtx_lock(&Giant); 620 if ((kbd = vd->vd_keyboard) != NULL) { 621 if (curvw->vw_kbdmode == K_XLATE) 622 vt_save_kbd_state(curvw, kbd); 623 624 vt_update_kbd_mode(vw, kbd); 625 vt_update_kbd_state(vw, kbd); 626 } 627 mtx_unlock(&Giant); 628 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number); 629 630 return (0); 631 } 632 633 void 634 vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size) 635 { 636 637 size->tp_row = vd->vd_height; 638 if (vt_draw_logo_cpus) 639 size->tp_row -= vt_logo_sprite_height; 640 size->tp_col = vd->vd_width; 641 if (vf != NULL) { 642 size->tp_row = MIN(size->tp_row / vf->vf_height, 643 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 644 size->tp_col = MIN(size->tp_col / vf->vf_width, 645 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 646 } 647 } 648 649 static inline void 650 vt_termrect(struct vt_device *vd, struct vt_font *vf, term_rect_t *rect) 651 { 652 653 rect->tr_begin.tp_row = rect->tr_begin.tp_col = 0; 654 if (vt_draw_logo_cpus) 655 rect->tr_begin.tp_row = vt_logo_sprite_height; 656 657 rect->tr_end.tp_row = vd->vd_height; 658 rect->tr_end.tp_col = vd->vd_width; 659 660 if (vf != NULL) { 661 rect->tr_begin.tp_row = 662 howmany(rect->tr_begin.tp_row, vf->vf_height); 663 664 rect->tr_end.tp_row = MIN(rect->tr_end.tp_row / vf->vf_height, 665 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 666 rect->tr_end.tp_col = MIN(rect->tr_end.tp_col / vf->vf_width, 667 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 668 } 669 } 670 671 void 672 vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size) 673 { 674 675 size->ws_ypixel = vd->vd_height; 676 if (vt_draw_logo_cpus) 677 size->ws_ypixel -= vt_logo_sprite_height; 678 size->ws_row = size->ws_ypixel; 679 size->ws_col = size->ws_xpixel = vd->vd_width; 680 if (vf != NULL) { 681 size->ws_row = MIN(size->ws_row / vf->vf_height, 682 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 683 size->ws_col = MIN(size->ws_col / vf->vf_width, 684 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 685 } 686 } 687 688 void 689 vt_compute_drawable_area(struct vt_window *vw) 690 { 691 struct vt_device *vd; 692 struct vt_font *vf; 693 vt_axis_t height; 694 695 vd = vw->vw_device; 696 697 if (vw->vw_font == NULL) { 698 vw->vw_draw_area.tr_begin.tp_col = 0; 699 vw->vw_draw_area.tr_begin.tp_row = 0; 700 if (vt_draw_logo_cpus) 701 vw->vw_draw_area.tr_begin.tp_row = vt_logo_sprite_height; 702 vw->vw_draw_area.tr_end.tp_col = vd->vd_width; 703 vw->vw_draw_area.tr_end.tp_row = vd->vd_height; 704 return; 705 } 706 707 vf = vw->vw_font; 708 709 /* 710 * Compute the drawable area, so that the text is centered on 711 * the screen. 712 */ 713 714 height = vd->vd_height; 715 if (vt_draw_logo_cpus) 716 height -= vt_logo_sprite_height; 717 vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2; 718 vw->vw_draw_area.tr_begin.tp_row = (height % vf->vf_height) / 2; 719 if (vt_draw_logo_cpus) 720 vw->vw_draw_area.tr_begin.tp_row += vt_logo_sprite_height; 721 vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col + 722 rounddown(vd->vd_width, vf->vf_width); 723 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row + 724 rounddown(height, vf->vf_height); 725 } 726 727 static void 728 vt_scroll(struct vt_window *vw, int offset, int whence) 729 { 730 int diff; 731 term_pos_t size; 732 733 if ((vw->vw_flags & VWF_SCROLL) == 0) 734 return; 735 736 vt_termsize(vw->vw_device, vw->vw_font, &size); 737 738 diff = vthistory_seek(&vw->vw_buf, offset, whence); 739 if (diff) 740 vw->vw_device->vd_flags |= VDF_INVALID; 741 vt_resume_flush_timer(vw, 0); 742 } 743 744 static int 745 vt_machine_kbdevent(struct vt_device *vd, int c) 746 { 747 748 switch (c) { 749 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */ 750 if (vt_kbd_debug) { 751 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger"); 752 #if VT_ALT_TO_ESC_HACK 753 /* 754 * There's an unfortunate conflict between SPCLKEY|DBG 755 * and VT_ALT_TO_ESC_HACK. Just assume they didn't mean 756 * it if we got to here. 757 */ 758 vd->vd_kbstate &= ~ALKED; 759 #endif 760 } 761 return (1); 762 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */ 763 if (vt_kbd_halt) 764 shutdown_nice(RB_HALT); 765 return (1); 766 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */ 767 #ifndef SC_NO_CUTPASTE 768 /* Insert text from cut-paste buffer. */ 769 vt_mouse_paste(); 770 #endif 771 break; 772 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */ 773 if (vt_kbd_poweroff) 774 shutdown_nice(RB_HALT|RB_POWEROFF); 775 return (1); 776 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */ 777 /* 778 * Request to immediate panic if sysctl 779 * kern.vt.enable_panic_key allow it. 780 */ 781 if (vt_kbd_panic) 782 panic("Forced by the panic key"); 783 return (1); 784 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */ 785 if (vt_kbd_reboot) 786 shutdown_nice(RB_AUTOBOOT); 787 return (1); 788 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */ 789 /* Force activatation/deactivation of the screen saver. */ 790 /* TODO */ 791 return (1); 792 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */ 793 /* Put machine into Stand-By mode. */ 794 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 795 return (1); 796 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */ 797 /* Suspend machine. */ 798 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 799 return (1); 800 } 801 802 return (0); 803 } 804 805 static void 806 vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console) 807 { 808 struct vt_device *vd; 809 term_pos_t size; 810 811 vd = vw->vw_device; 812 /* Only special keys handled in ScrollLock mode */ 813 if ((c & SPCLKEY) == 0) 814 return; 815 816 c &= ~SPCLKEY; 817 818 if (console == 0) { 819 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 820 vw = vd->vd_windows[c - F_SCR]; 821 vt_proc_window_switch(vw); 822 return; 823 } 824 VT_LOCK(vd); 825 } 826 827 switch (c) { 828 case SLK: { 829 /* Turn scrolling off. */ 830 vt_scroll(vw, 0, VHS_END); 831 VTBUF_SLCK_DISABLE(&vw->vw_buf); 832 vw->vw_flags &= ~VWF_SCROLL; 833 break; 834 } 835 case FKEY | F(49): /* Home key. */ 836 vt_scroll(vw, 0, VHS_SET); 837 break; 838 case FKEY | F(50): /* Arrow up. */ 839 vt_scroll(vw, -1, VHS_CUR); 840 break; 841 case FKEY | F(51): /* Page up. */ 842 vt_termsize(vd, vw->vw_font, &size); 843 vt_scroll(vw, -size.tp_row, VHS_CUR); 844 break; 845 case FKEY | F(57): /* End key. */ 846 vt_scroll(vw, 0, VHS_END); 847 break; 848 case FKEY | F(58): /* Arrow down. */ 849 vt_scroll(vw, 1, VHS_CUR); 850 break; 851 case FKEY | F(59): /* Page down. */ 852 vt_termsize(vd, vw->vw_font, &size); 853 vt_scroll(vw, size.tp_row, VHS_CUR); 854 break; 855 } 856 857 if (console == 0) 858 VT_UNLOCK(vd); 859 } 860 861 static int 862 vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c) 863 { 864 struct vt_window *vw = vd->vd_curwindow; 865 866 random_harvest_queue(&c, sizeof(c), RANDOM_KEYBOARD); 867 #if VT_ALT_TO_ESC_HACK 868 if (c & RELKEY) { 869 switch (c & ~RELKEY) { 870 case (SPCLKEY | RALT): 871 if (vt_enable_altgr != 0) 872 break; 873 case (SPCLKEY | LALT): 874 vd->vd_kbstate &= ~ALKED; 875 } 876 /* Other keys ignored for RELKEY event. */ 877 return (0); 878 } else { 879 switch (c & ~RELKEY) { 880 case (SPCLKEY | RALT): 881 if (vt_enable_altgr != 0) 882 break; 883 case (SPCLKEY | LALT): 884 vd->vd_kbstate |= ALKED; 885 } 886 } 887 #else 888 if (c & RELKEY) 889 /* Other keys ignored for RELKEY event. */ 890 return (0); 891 #endif 892 893 if (vt_machine_kbdevent(vd, c)) 894 return (0); 895 896 if (vw->vw_flags & VWF_SCROLL) { 897 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */); 898 /* Scroll mode keys handled, nothing to do more. */ 899 return (0); 900 } 901 902 if (c & SPCLKEY) { 903 c &= ~SPCLKEY; 904 905 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 906 vw = vd->vd_windows[c - F_SCR]; 907 vt_proc_window_switch(vw); 908 return (0); 909 } 910 911 switch (c) { 912 case NEXT: 913 /* Switch to next VT. */ 914 c = (vw->vw_number + 1) % VT_MAXWINDOWS; 915 vw = vd->vd_windows[c]; 916 vt_proc_window_switch(vw); 917 return (0); 918 case PREV: 919 /* Switch to previous VT. */ 920 c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS; 921 vw = vd->vd_windows[c]; 922 vt_proc_window_switch(vw); 923 return (0); 924 case SLK: { 925 vt_save_kbd_state(vw, kbd); 926 VT_LOCK(vd); 927 if (vw->vw_kbdstate & SLKED) { 928 /* Turn scrolling on. */ 929 vw->vw_flags |= VWF_SCROLL; 930 VTBUF_SLCK_ENABLE(&vw->vw_buf); 931 } else { 932 /* Turn scrolling off. */ 933 vw->vw_flags &= ~VWF_SCROLL; 934 VTBUF_SLCK_DISABLE(&vw->vw_buf); 935 vt_scroll(vw, 0, VHS_END); 936 } 937 VT_UNLOCK(vd); 938 break; 939 } 940 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3): 941 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6): 942 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9): 943 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12): 944 /* F1 through F12 keys. */ 945 terminal_input_special(vw->vw_terminal, 946 TKEY_F1 + c - (FKEY | F(1))); 947 break; 948 case FKEY | F(49): /* Home key. */ 949 terminal_input_special(vw->vw_terminal, TKEY_HOME); 950 break; 951 case FKEY | F(50): /* Arrow up. */ 952 terminal_input_special(vw->vw_terminal, TKEY_UP); 953 break; 954 case FKEY | F(51): /* Page up. */ 955 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP); 956 break; 957 case FKEY | F(53): /* Arrow left. */ 958 terminal_input_special(vw->vw_terminal, TKEY_LEFT); 959 break; 960 case FKEY | F(55): /* Arrow right. */ 961 terminal_input_special(vw->vw_terminal, TKEY_RIGHT); 962 break; 963 case FKEY | F(57): /* End key. */ 964 terminal_input_special(vw->vw_terminal, TKEY_END); 965 break; 966 case FKEY | F(58): /* Arrow down. */ 967 terminal_input_special(vw->vw_terminal, TKEY_DOWN); 968 break; 969 case FKEY | F(59): /* Page down. */ 970 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN); 971 break; 972 case FKEY | F(60): /* Insert key. */ 973 terminal_input_special(vw->vw_terminal, TKEY_INSERT); 974 break; 975 case FKEY | F(61): /* Delete key. */ 976 terminal_input_special(vw->vw_terminal, TKEY_DELETE); 977 break; 978 } 979 } else if (KEYFLAGS(c) == 0) { 980 /* Don't do UTF-8 conversion when doing raw mode. */ 981 if (vw->vw_kbdmode == K_XLATE) { 982 #if VT_ALT_TO_ESC_HACK 983 if (vd->vd_kbstate & ALKED) { 984 /* 985 * Prepend ESC sequence if one of ALT keys down. 986 */ 987 terminal_input_char(vw->vw_terminal, 0x1b); 988 } 989 #endif 990 #if defined(KDB) 991 kdb_alt_break(c, &vd->vd_altbrk); 992 #endif 993 terminal_input_char(vw->vw_terminal, KEYCHAR(c)); 994 } else 995 terminal_input_raw(vw->vw_terminal, c); 996 } 997 return (0); 998 } 999 1000 static int 1001 vt_kbdevent(keyboard_t *kbd, int event, void *arg) 1002 { 1003 struct vt_device *vd = arg; 1004 int c; 1005 1006 switch (event) { 1007 case KBDIO_KEYINPUT: 1008 break; 1009 case KBDIO_UNLOADING: 1010 mtx_lock(&Giant); 1011 vd->vd_keyboard = NULL; 1012 kbd_release(kbd, (void *)vd); 1013 mtx_unlock(&Giant); 1014 return (0); 1015 default: 1016 return (EINVAL); 1017 } 1018 1019 while ((c = kbdd_read_char(kbd, 0)) != NOKEY) 1020 vt_processkey(kbd, vd, c); 1021 1022 return (0); 1023 } 1024 1025 static int 1026 vt_allocate_keyboard(struct vt_device *vd) 1027 { 1028 int grabbed, i, idx0, idx; 1029 keyboard_t *k0, *k; 1030 keyboard_info_t ki; 1031 1032 /* 1033 * If vt_upgrade() happens while the console is grabbed, we are 1034 * potentially going to switch keyboard devices while the keyboard is in 1035 * use. Unwind the grabbing of the current keyboard first, then we will 1036 * re-grab the new keyboard below, before we return. 1037 */ 1038 if (vd->vd_curwindow == &vt_conswindow) { 1039 grabbed = vd->vd_curwindow->vw_grabbed; 1040 for (i = 0; i < grabbed; ++i) 1041 vtterm_cnungrab_noswitch(vd, vd->vd_curwindow); 1042 } 1043 1044 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd); 1045 if (idx0 >= 0) { 1046 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0); 1047 k0 = kbd_get_keyboard(idx0); 1048 1049 for (idx = kbd_find_keyboard2("*", -1, 0); 1050 idx != -1; 1051 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 1052 k = kbd_get_keyboard(idx); 1053 1054 if (idx == idx0 || KBD_IS_BUSY(k)) 1055 continue; 1056 1057 bzero(&ki, sizeof(ki)); 1058 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name)); 1059 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0'; 1060 ki.kb_unit = k->kb_unit; 1061 1062 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 1063 } 1064 } else { 1065 DPRINTF(20, "%s: no kbdmux allocated\n", __func__); 1066 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd); 1067 if (idx0 < 0) { 1068 DPRINTF(10, "%s: No keyboard found.\n", __func__); 1069 return (-1); 1070 } 1071 k0 = kbd_get_keyboard(idx0); 1072 } 1073 vd->vd_keyboard = k0; 1074 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, 1075 vd->vd_keyboard->kb_index); 1076 1077 if (vd->vd_curwindow == &vt_conswindow) { 1078 for (i = 0; i < grabbed; ++i) 1079 vtterm_cngrab_noswitch(vd, vd->vd_curwindow); 1080 } 1081 1082 return (idx0); 1083 } 1084 1085 static void 1086 vtterm_bell(struct terminal *tm) 1087 { 1088 struct vt_window *vw = tm->tm_softc; 1089 struct vt_device *vd = vw->vw_device; 1090 1091 if (!vt_enable_bell) 1092 return; 1093 1094 if (vd->vd_flags & VDF_QUIET_BELL) 1095 return; 1096 1097 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION); 1098 } 1099 1100 static void 1101 vtterm_beep(struct terminal *tm, u_int param) 1102 { 1103 u_int freq, period; 1104 1105 if (!vt_enable_bell) 1106 return; 1107 1108 if ((param == 0) || ((param & 0xffff) == 0)) { 1109 vtterm_bell(tm); 1110 return; 1111 } 1112 1113 period = ((param >> 16) & 0xffff) * hz / 1000; 1114 freq = 1193182 / (param & 0xffff); 1115 1116 sysbeep(freq, period); 1117 } 1118 1119 static void 1120 vtterm_cursor(struct terminal *tm, const term_pos_t *p) 1121 { 1122 struct vt_window *vw = tm->tm_softc; 1123 1124 vtbuf_cursor_position(&vw->vw_buf, p); 1125 } 1126 1127 static void 1128 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c) 1129 { 1130 struct vt_window *vw = tm->tm_softc; 1131 1132 vtbuf_putchar(&vw->vw_buf, p, c); 1133 } 1134 1135 static void 1136 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c) 1137 { 1138 struct vt_window *vw = tm->tm_softc; 1139 1140 vtbuf_fill(&vw->vw_buf, r, c); 1141 } 1142 1143 static void 1144 vtterm_copy(struct terminal *tm, const term_rect_t *r, 1145 const term_pos_t *p) 1146 { 1147 struct vt_window *vw = tm->tm_softc; 1148 1149 vtbuf_copy(&vw->vw_buf, r, p); 1150 } 1151 1152 static void 1153 vtterm_param(struct terminal *tm, int cmd, unsigned int arg) 1154 { 1155 struct vt_window *vw = tm->tm_softc; 1156 1157 switch (cmd) { 1158 case TP_SETLOCALCURSOR: 1159 /* 1160 * 0 means normal (usually block), 1 means hidden, and 1161 * 2 means blinking (always block) for compatibility with 1162 * syscons. We don't support any changes except hiding, 1163 * so must map 2 to 0. 1164 */ 1165 arg = (arg == 1) ? 0 : 1; 1166 /* FALLTHROUGH */ 1167 case TP_SHOWCURSOR: 1168 vtbuf_cursor_visibility(&vw->vw_buf, arg); 1169 vt_resume_flush_timer(vw, 0); 1170 break; 1171 case TP_MOUSE: 1172 vw->vw_mouse_level = arg; 1173 break; 1174 } 1175 } 1176 1177 void 1178 vt_determine_colors(term_char_t c, int cursor, 1179 term_color_t *fg, term_color_t *bg) 1180 { 1181 term_color_t tmp; 1182 int invert; 1183 1184 invert = 0; 1185 1186 *fg = TCHAR_FGCOLOR(c); 1187 if (TCHAR_FORMAT(c) & TF_BOLD) 1188 *fg = TCOLOR_LIGHT(*fg); 1189 *bg = TCHAR_BGCOLOR(c); 1190 if (TCHAR_FORMAT(c) & TF_BLINK) 1191 *bg = TCOLOR_LIGHT(*bg); 1192 1193 if (TCHAR_FORMAT(c) & TF_REVERSE) 1194 invert ^= 1; 1195 if (cursor) 1196 invert ^= 1; 1197 1198 if (invert) { 1199 tmp = *fg; 1200 *fg = *bg; 1201 *bg = tmp; 1202 } 1203 } 1204 1205 #ifndef SC_NO_CUTPASTE 1206 int 1207 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area) 1208 { 1209 unsigned int mx, my; 1210 1211 /* 1212 * We use the cursor position saved during the current refresh, 1213 * in case the cursor moved since. 1214 */ 1215 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col; 1216 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row; 1217 1218 if (mx >= area->tr_end.tp_col || 1219 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col || 1220 my >= area->tr_end.tp_row || 1221 my + vd->vd_mcursor->height <= area->tr_begin.tp_row) 1222 return (0); 1223 return (1); 1224 } 1225 1226 static void 1227 vt_mark_mouse_position_as_dirty(struct vt_device *vd, int locked) 1228 { 1229 term_rect_t area; 1230 struct vt_window *vw; 1231 struct vt_font *vf; 1232 int x, y; 1233 1234 vw = vd->vd_curwindow; 1235 vf = vw->vw_font; 1236 1237 x = vd->vd_mx_drawn; 1238 y = vd->vd_my_drawn; 1239 1240 if (vf != NULL) { 1241 area.tr_begin.tp_col = x / vf->vf_width; 1242 area.tr_begin.tp_row = y / vf->vf_height; 1243 area.tr_end.tp_col = 1244 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1; 1245 area.tr_end.tp_row = 1246 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1; 1247 } else { 1248 /* 1249 * No font loaded (ie. vt_vga operating in textmode). 1250 * 1251 * FIXME: This fake area needs to be revisited once the 1252 * mouse cursor is supported in vt_vga's textmode. 1253 */ 1254 area.tr_begin.tp_col = x; 1255 area.tr_begin.tp_row = y; 1256 area.tr_end.tp_col = x + 2; 1257 area.tr_end.tp_row = y + 2; 1258 } 1259 1260 if (!locked) 1261 vtbuf_lock(&vw->vw_buf); 1262 if (vd->vd_driver->vd_invalidate_text) 1263 vd->vd_driver->vd_invalidate_text(vd, &area); 1264 vtbuf_dirty(&vw->vw_buf, &area); 1265 if (!locked) 1266 vtbuf_unlock(&vw->vw_buf); 1267 } 1268 #endif 1269 1270 static void 1271 vt_set_border(struct vt_device *vd, const term_rect_t *area, 1272 term_color_t c) 1273 { 1274 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect; 1275 1276 if (drawrect == NULL) 1277 return; 1278 1279 /* Top bar */ 1280 if (area->tr_begin.tp_row > 0) 1281 drawrect(vd, 0, 0, vd->vd_width - 1, 1282 area->tr_begin.tp_row - 1, 1, c); 1283 1284 /* Left bar */ 1285 if (area->tr_begin.tp_col > 0) 1286 drawrect(vd, 0, area->tr_begin.tp_row, 1287 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c); 1288 1289 /* Right bar */ 1290 if (area->tr_end.tp_col < vd->vd_width) 1291 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row, 1292 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c); 1293 1294 /* Bottom bar */ 1295 if (area->tr_end.tp_row < vd->vd_height) 1296 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1, 1297 vd->vd_height - 1, 1, c); 1298 } 1299 1300 static int 1301 vt_flush(struct vt_device *vd) 1302 { 1303 struct vt_window *vw; 1304 struct vt_font *vf; 1305 term_rect_t tarea; 1306 #ifndef SC_NO_CUTPASTE 1307 int cursor_was_shown, cursor_moved; 1308 #endif 1309 1310 vw = vd->vd_curwindow; 1311 if (vw == NULL) 1312 return (0); 1313 1314 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY) 1315 return (0); 1316 1317 vf = vw->vw_font; 1318 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL)) 1319 return (0); 1320 1321 vtbuf_lock(&vw->vw_buf); 1322 1323 #ifndef SC_NO_CUTPASTE 1324 cursor_was_shown = vd->vd_mshown; 1325 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn || 1326 vd->vd_my != vd->vd_my_drawn); 1327 1328 /* Check if the cursor should be displayed or not. */ 1329 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */ 1330 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */ 1331 !kdb_active && !KERNEL_PANICKED()) { /* DDB inactive. */ 1332 vd->vd_mshown = 1; 1333 } else { 1334 vd->vd_mshown = 0; 1335 } 1336 1337 /* 1338 * If the cursor changed display state or moved, we must mark 1339 * the old position as dirty, so that it's erased. 1340 */ 1341 if (cursor_was_shown != vd->vd_mshown || 1342 (vd->vd_mshown && cursor_moved)) 1343 vt_mark_mouse_position_as_dirty(vd, true); 1344 1345 /* 1346 * Save position of the mouse cursor. It's used by backends to 1347 * know where to draw the cursor and during the next refresh to 1348 * erase the previous position. 1349 */ 1350 vd->vd_mx_drawn = vd->vd_mx; 1351 vd->vd_my_drawn = vd->vd_my; 1352 1353 /* 1354 * If the cursor is displayed and has moved since last refresh, 1355 * mark the new position as dirty. 1356 */ 1357 if (vd->vd_mshown && cursor_moved) 1358 vt_mark_mouse_position_as_dirty(vd, true); 1359 #endif 1360 1361 vtbuf_undirty(&vw->vw_buf, &tarea); 1362 1363 /* Force a full redraw when the screen contents might be invalid. */ 1364 if (vd->vd_flags & (VDF_INVALID | VDF_SUSPENDED)) { 1365 const teken_attr_t *a; 1366 1367 vd->vd_flags &= ~VDF_INVALID; 1368 1369 a = teken_get_curattr(&vw->vw_terminal->tm_emulator); 1370 vt_set_border(vd, &vw->vw_draw_area, a->ta_bgcolor); 1371 vt_termrect(vd, vf, &tarea); 1372 if (vd->vd_driver->vd_invalidate_text) 1373 vd->vd_driver->vd_invalidate_text(vd, &tarea); 1374 if (vt_draw_logo_cpus) 1375 vtterm_draw_cpu_logos(vd); 1376 } 1377 1378 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) { 1379 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea); 1380 vtbuf_unlock(&vw->vw_buf); 1381 return (1); 1382 } 1383 1384 vtbuf_unlock(&vw->vw_buf); 1385 return (0); 1386 } 1387 1388 static void 1389 vt_timer(void *arg) 1390 { 1391 struct vt_device *vd; 1392 int changed; 1393 1394 vd = arg; 1395 /* Update screen if required. */ 1396 changed = vt_flush(vd); 1397 1398 /* Schedule for next update. */ 1399 if (changed) 1400 vt_schedule_flush(vd, 0); 1401 else 1402 vd->vd_timer_armed = 0; 1403 } 1404 1405 static void 1406 vtterm_pre_input(struct terminal *tm) 1407 { 1408 struct vt_window *vw = tm->tm_softc; 1409 1410 vtbuf_lock(&vw->vw_buf); 1411 } 1412 1413 static void 1414 vtterm_post_input(struct terminal *tm) 1415 { 1416 struct vt_window *vw = tm->tm_softc; 1417 1418 vtbuf_unlock(&vw->vw_buf); 1419 vt_resume_flush_timer(vw, 0); 1420 } 1421 1422 static void 1423 vtterm_done(struct terminal *tm) 1424 { 1425 struct vt_window *vw = tm->tm_softc; 1426 struct vt_device *vd = vw->vw_device; 1427 1428 if (kdb_active || KERNEL_PANICKED()) { 1429 /* Switch to the debugger. */ 1430 if (vd->vd_curwindow != vw) { 1431 vd->vd_curwindow = vw; 1432 vd->vd_flags |= VDF_INVALID; 1433 if (vd->vd_driver->vd_postswitch) 1434 vd->vd_driver->vd_postswitch(vd); 1435 } 1436 vd->vd_flags &= ~VDF_SPLASH; 1437 vt_flush(vd); 1438 } else if (!(vd->vd_flags & VDF_ASYNC)) { 1439 vt_flush(vd); 1440 } 1441 } 1442 1443 #ifdef DEV_SPLASH 1444 static void 1445 vtterm_splash(struct vt_device *vd) 1446 { 1447 vt_axis_t top, left; 1448 1449 /* Display a nice boot splash. */ 1450 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) { 1451 top = (vd->vd_height - vt_logo_height) / 2; 1452 left = (vd->vd_width - vt_logo_width) / 2; 1453 switch (vt_logo_depth) { 1454 case 1: 1455 /* XXX: Unhardcode colors! */ 1456 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow, 1457 vt_logo_image, NULL, vt_logo_width, vt_logo_height, 1458 left, top, TC_WHITE, TC_BLACK); 1459 } 1460 vd->vd_flags |= VDF_SPLASH; 1461 } 1462 } 1463 #endif 1464 1465 static struct vt_font * 1466 parse_font_info_static(struct font_info *fi) 1467 { 1468 struct vt_font *vfp; 1469 uintptr_t ptr; 1470 uint32_t checksum; 1471 1472 if (fi == NULL) 1473 return (NULL); 1474 1475 ptr = (uintptr_t)fi; 1476 /* 1477 * Compute and verify checksum. The total sum of all the fields 1478 * must be 0. 1479 */ 1480 checksum = fi->fi_width; 1481 checksum += fi->fi_height; 1482 checksum += fi->fi_bitmap_size; 1483 for (unsigned i = 0; i < VFNT_MAPS; i++) 1484 checksum += fi->fi_map_count[i]; 1485 1486 if (checksum + fi->fi_checksum != 0) 1487 return (NULL); 1488 1489 ptr += sizeof(struct font_info); 1490 ptr = roundup2(ptr, 8); 1491 1492 vfp = &vt_font_loader; 1493 vfp->vf_height = fi->fi_height; 1494 vfp->vf_width = fi->fi_width; 1495 /* This is default font, set refcount 1 to disable removal. */ 1496 vfp->vf_refcount = 1; 1497 for (unsigned i = 0; i < VFNT_MAPS; i++) { 1498 if (fi->fi_map_count[i] == 0) 1499 continue; 1500 vfp->vf_map_count[i] = fi->fi_map_count[i]; 1501 vfp->vf_map[i] = (vfnt_map_t *)ptr; 1502 ptr += (fi->fi_map_count[i] * sizeof(vfnt_map_t)); 1503 ptr = roundup2(ptr, 8); 1504 } 1505 vfp->vf_bytes = (uint8_t *)ptr; 1506 return (vfp); 1507 } 1508 1509 /* 1510 * Set up default font with allocated data structures. 1511 * However, we can not set refcount here, because it is already set and 1512 * incremented in vtterm_cnprobe() to avoid being released by font load from 1513 * userland. 1514 */ 1515 static struct vt_font * 1516 parse_font_info(struct font_info *fi) 1517 { 1518 struct vt_font *vfp; 1519 uintptr_t ptr; 1520 uint32_t checksum; 1521 size_t size; 1522 1523 if (fi == NULL) 1524 return (NULL); 1525 1526 ptr = (uintptr_t)fi; 1527 /* 1528 * Compute and verify checksum. The total sum of all the fields 1529 * must be 0. 1530 */ 1531 checksum = fi->fi_width; 1532 checksum += fi->fi_height; 1533 checksum += fi->fi_bitmap_size; 1534 for (unsigned i = 0; i < VFNT_MAPS; i++) 1535 checksum += fi->fi_map_count[i]; 1536 1537 if (checksum + fi->fi_checksum != 0) 1538 return (NULL); 1539 1540 ptr += sizeof(struct font_info); 1541 ptr = roundup2(ptr, 8); 1542 1543 vfp = &vt_font_loader; 1544 vfp->vf_height = fi->fi_height; 1545 vfp->vf_width = fi->fi_width; 1546 for (unsigned i = 0; i < VFNT_MAPS; i++) { 1547 if (fi->fi_map_count[i] == 0) 1548 continue; 1549 vfp->vf_map_count[i] = fi->fi_map_count[i]; 1550 size = fi->fi_map_count[i] * sizeof(vfnt_map_t); 1551 vfp->vf_map[i] = malloc(size, M_VT, M_WAITOK | M_ZERO); 1552 bcopy((vfnt_map_t *)ptr, vfp->vf_map[i], size); 1553 ptr += size; 1554 ptr = roundup2(ptr, 8); 1555 } 1556 vfp->vf_bytes = malloc(fi->fi_bitmap_size, M_VT, M_WAITOK | M_ZERO); 1557 bcopy((uint8_t *)ptr, vfp->vf_bytes, fi->fi_bitmap_size); 1558 return (vfp); 1559 } 1560 1561 static void 1562 vt_init_font(void *arg) 1563 { 1564 caddr_t kmdp; 1565 struct font_info *fi; 1566 struct vt_font *font; 1567 1568 kmdp = preload_search_by_type("elf kernel"); 1569 if (kmdp == NULL) 1570 kmdp = preload_search_by_type("elf64 kernel"); 1571 fi = MD_FETCH(kmdp, MODINFOMD_FONT, struct font_info *); 1572 1573 font = parse_font_info(fi); 1574 if (font != NULL) 1575 vt_font_assigned = font; 1576 } 1577 1578 SYSINIT(vt_init_font, SI_SUB_KMEM, SI_ORDER_ANY, vt_init_font, &vt_consdev); 1579 1580 static void 1581 vt_init_font_static(void) 1582 { 1583 caddr_t kmdp; 1584 struct font_info *fi; 1585 struct vt_font *font; 1586 1587 kmdp = preload_search_by_type("elf kernel"); 1588 if (kmdp == NULL) 1589 kmdp = preload_search_by_type("elf64 kernel"); 1590 fi = MD_FETCH(kmdp, MODINFOMD_FONT, struct font_info *); 1591 1592 font = parse_font_info_static(fi); 1593 if (font != NULL) 1594 vt_font_assigned = font; 1595 } 1596 1597 static void 1598 vtterm_cnprobe(struct terminal *tm, struct consdev *cp) 1599 { 1600 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL; 1601 struct vt_window *vw = tm->tm_softc; 1602 struct vt_device *vd = vw->vw_device; 1603 struct winsize wsz; 1604 const term_attr_t *a; 1605 1606 if (!vty_enabled(VTY_VT)) 1607 return; 1608 1609 if (vd->vd_flags & VDF_INITIALIZED) 1610 /* Initialization already done. */ 1611 return; 1612 1613 SET_FOREACH(vtdlist, vt_drv_set) { 1614 vtd = *vtdlist; 1615 if (vtd->vd_probe == NULL) 1616 continue; 1617 if (vtd->vd_probe(vd) == CN_DEAD) 1618 continue; 1619 if ((vtdbest == NULL) || 1620 (vtd->vd_priority > vtdbest->vd_priority)) 1621 vtdbest = vtd; 1622 } 1623 if (vtdbest == NULL) { 1624 cp->cn_pri = CN_DEAD; 1625 vd->vd_flags |= VDF_DEAD; 1626 } else { 1627 vd->vd_driver = vtdbest; 1628 cp->cn_pri = vd->vd_driver->vd_init(vd); 1629 } 1630 1631 /* Check if driver's vt_init return CN_DEAD. */ 1632 if (cp->cn_pri == CN_DEAD) { 1633 vd->vd_flags |= VDF_DEAD; 1634 } 1635 1636 /* Initialize any early-boot keyboard drivers */ 1637 kbd_configure(KB_CONF_PROBE_ONLY); 1638 1639 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1); 1640 vd->vd_windows[VT_CONSWINDOW] = vw; 1641 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw)); 1642 1643 vt_init_font_static(); 1644 1645 /* Attach default font if not in TEXTMODE. */ 1646 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 1647 vw->vw_font = vtfont_ref(vt_font_assigned); 1648 vt_compute_drawable_area(vw); 1649 } 1650 1651 /* 1652 * The original screen size was faked (_VTDEFW x _VTDEFH). Now 1653 * that we have the real viewable size, fix it in the static 1654 * buffer. 1655 */ 1656 if (vd->vd_width != 0 && vd->vd_height != 0) 1657 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size); 1658 1659 /* We need to access terminal attributes from vtbuf */ 1660 vw->vw_buf.vb_terminal = tm; 1661 vtbuf_init_early(&vw->vw_buf); 1662 vt_winsize(vd, vw->vw_font, &wsz); 1663 a = teken_get_curattr(&tm->tm_emulator); 1664 terminal_set_winsize_blank(tm, &wsz, 1, a); 1665 1666 if (vtdbest != NULL) { 1667 #ifdef DEV_SPLASH 1668 if (!vt_splash_cpu) 1669 vtterm_splash(vd); 1670 #endif 1671 vd->vd_flags |= VDF_INITIALIZED; 1672 } 1673 } 1674 1675 static int 1676 vtterm_cngetc(struct terminal *tm) 1677 { 1678 struct vt_window *vw = tm->tm_softc; 1679 struct vt_device *vd = vw->vw_device; 1680 keyboard_t *kbd; 1681 u_int c; 1682 1683 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1684 return (*vw->vw_kbdsq++); 1685 1686 /* Make sure the splash screen is not there. */ 1687 if (vd->vd_flags & VDF_SPLASH) { 1688 /* Remove splash */ 1689 vd->vd_flags &= ~VDF_SPLASH; 1690 /* Mark screen as invalid to force update */ 1691 vd->vd_flags |= VDF_INVALID; 1692 vt_flush(vd); 1693 } 1694 1695 /* Stripped down keyboard handler. */ 1696 if ((kbd = vd->vd_keyboard) == NULL) 1697 return (-1); 1698 1699 /* Force keyboard input mode to K_XLATE */ 1700 vw->vw_kbdmode = K_XLATE; 1701 vt_update_kbd_mode(vw, kbd); 1702 1703 /* Switch the keyboard to polling to make it work here. */ 1704 kbdd_poll(kbd, TRUE); 1705 c = kbdd_read_char(kbd, 0); 1706 kbdd_poll(kbd, FALSE); 1707 if (c & RELKEY) 1708 return (-1); 1709 1710 if (vw->vw_flags & VWF_SCROLL) { 1711 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */); 1712 vt_flush(vd); 1713 return (-1); 1714 } 1715 1716 /* Stripped down handling of vt_kbdevent(), without locking, etc. */ 1717 if (c & SPCLKEY) { 1718 switch (c) { 1719 case SPCLKEY | SLK: 1720 vt_save_kbd_state(vw, kbd); 1721 if (vw->vw_kbdstate & SLKED) { 1722 /* Turn scrolling on. */ 1723 vw->vw_flags |= VWF_SCROLL; 1724 VTBUF_SLCK_ENABLE(&vw->vw_buf); 1725 } else { 1726 /* Turn scrolling off. */ 1727 vt_scroll(vw, 0, VHS_END); 1728 vw->vw_flags &= ~VWF_SCROLL; 1729 VTBUF_SLCK_DISABLE(&vw->vw_buf); 1730 } 1731 break; 1732 /* XXX: KDB can handle history. */ 1733 case SPCLKEY | FKEY | F(50): /* Arrow up. */ 1734 vw->vw_kbdsq = "\x1b[A"; 1735 break; 1736 case SPCLKEY | FKEY | F(58): /* Arrow down. */ 1737 vw->vw_kbdsq = "\x1b[B"; 1738 break; 1739 case SPCLKEY | FKEY | F(55): /* Arrow right. */ 1740 vw->vw_kbdsq = "\x1b[C"; 1741 break; 1742 case SPCLKEY | FKEY | F(53): /* Arrow left. */ 1743 vw->vw_kbdsq = "\x1b[D"; 1744 break; 1745 } 1746 1747 /* Force refresh to make scrollback work. */ 1748 vt_flush(vd); 1749 } else if (KEYFLAGS(c) == 0) { 1750 return (KEYCHAR(c)); 1751 } 1752 1753 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1754 return (*vw->vw_kbdsq++); 1755 1756 return (-1); 1757 } 1758 1759 /* 1760 * These two do most of what we want to do in vtterm_cnungrab, but without 1761 * actually switching windows. This is necessary for, e.g., 1762 * vt_allocate_keyboard() to get the current keyboard into the state it needs to 1763 * be in without damaging the device's window state. 1764 * 1765 * Both return the current grab count, though it's only used in vtterm_cnungrab. 1766 */ 1767 static int 1768 vtterm_cngrab_noswitch(struct vt_device *vd, struct vt_window *vw) 1769 { 1770 keyboard_t *kbd; 1771 1772 if (vw->vw_grabbed++ > 0) 1773 return (vw->vw_grabbed); 1774 1775 if ((kbd = vd->vd_keyboard) == NULL) 1776 return (1); 1777 1778 /* 1779 * Make sure the keyboard is accessible even when the kbd device 1780 * driver is disabled. 1781 */ 1782 kbdd_enable(kbd); 1783 1784 /* We shall always use the keyboard in the XLATE mode here. */ 1785 vw->vw_prev_kbdmode = vw->vw_kbdmode; 1786 vw->vw_kbdmode = K_XLATE; 1787 vt_update_kbd_mode(vw, kbd); 1788 1789 kbdd_poll(kbd, TRUE); 1790 return (1); 1791 } 1792 1793 static int 1794 vtterm_cnungrab_noswitch(struct vt_device *vd, struct vt_window *vw) 1795 { 1796 keyboard_t *kbd; 1797 1798 if (--vw->vw_grabbed > 0) 1799 return (vw->vw_grabbed); 1800 1801 if ((kbd = vd->vd_keyboard) == NULL) 1802 return (0); 1803 1804 kbdd_poll(kbd, FALSE); 1805 1806 vw->vw_kbdmode = vw->vw_prev_kbdmode; 1807 vt_update_kbd_mode(vw, kbd); 1808 kbdd_disable(kbd); 1809 return (0); 1810 } 1811 1812 static void 1813 vtterm_cngrab(struct terminal *tm) 1814 { 1815 struct vt_device *vd; 1816 struct vt_window *vw; 1817 1818 vw = tm->tm_softc; 1819 vd = vw->vw_device; 1820 1821 /* To be restored after we ungrab. */ 1822 if (vd->vd_grabwindow == NULL) 1823 vd->vd_grabwindow = vd->vd_curwindow; 1824 1825 if (!cold) 1826 vt_window_switch(vw); 1827 1828 vtterm_cngrab_noswitch(vd, vw); 1829 } 1830 1831 static void 1832 vtterm_cnungrab(struct terminal *tm) 1833 { 1834 struct vt_device *vd; 1835 struct vt_window *vw; 1836 1837 vw = tm->tm_softc; 1838 vd = vw->vw_device; 1839 1840 MPASS(vd->vd_grabwindow != NULL); 1841 if (vtterm_cnungrab_noswitch(vd, vw) != 0) 1842 return; 1843 1844 if (!cold && vd->vd_grabwindow != vw) 1845 vt_window_switch(vd->vd_grabwindow); 1846 1847 vd->vd_grabwindow = NULL; 1848 } 1849 1850 static void 1851 vtterm_opened(struct terminal *tm, int opened) 1852 { 1853 struct vt_window *vw = tm->tm_softc; 1854 struct vt_device *vd = vw->vw_device; 1855 1856 VT_LOCK(vd); 1857 vd->vd_flags &= ~VDF_SPLASH; 1858 if (opened) 1859 vw->vw_flags |= VWF_OPENED; 1860 else { 1861 vw->vw_flags &= ~VWF_OPENED; 1862 /* TODO: finish ACQ/REL */ 1863 } 1864 VT_UNLOCK(vd); 1865 } 1866 1867 static int 1868 vt_change_font(struct vt_window *vw, struct vt_font *vf) 1869 { 1870 struct vt_device *vd = vw->vw_device; 1871 struct terminal *tm = vw->vw_terminal; 1872 term_pos_t size; 1873 struct winsize wsz; 1874 1875 /* 1876 * Changing fonts. 1877 * 1878 * Changing fonts is a little tricky. We must prevent 1879 * simultaneous access to the device, so we must stop 1880 * the display timer and the terminal from accessing. 1881 * We need to switch fonts and grow our screen buffer. 1882 * 1883 * XXX: Right now the code uses terminal_mute() to 1884 * prevent data from reaching the console driver while 1885 * resizing the screen buffer. This isn't elegant... 1886 */ 1887 1888 VT_LOCK(vd); 1889 if (vw->vw_flags & VWF_BUSY) { 1890 /* Another process is changing the font. */ 1891 VT_UNLOCK(vd); 1892 return (EBUSY); 1893 } 1894 vw->vw_flags |= VWF_BUSY; 1895 VT_UNLOCK(vd); 1896 1897 vt_termsize(vd, vf, &size); 1898 vt_winsize(vd, vf, &wsz); 1899 1900 /* Grow the screen buffer and terminal. */ 1901 terminal_mute(tm, 1); 1902 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 1903 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 1904 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 1905 terminal_mute(tm, 0); 1906 1907 /* Actually apply the font to the current window. */ 1908 VT_LOCK(vd); 1909 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) { 1910 /* 1911 * In case vt_change_font called to update size we don't need 1912 * to update font link. 1913 */ 1914 vtfont_unref(vw->vw_font); 1915 vw->vw_font = vtfont_ref(vf); 1916 } 1917 1918 /* 1919 * Compute the drawable area and move the mouse cursor inside 1920 * it, in case the new area is smaller than the previous one. 1921 */ 1922 vt_compute_drawable_area(vw); 1923 vd->vd_mx = min(vd->vd_mx, 1924 vw->vw_draw_area.tr_end.tp_col - 1925 vw->vw_draw_area.tr_begin.tp_col - 1); 1926 vd->vd_my = min(vd->vd_my, 1927 vw->vw_draw_area.tr_end.tp_row - 1928 vw->vw_draw_area.tr_begin.tp_row - 1); 1929 1930 /* Force a full redraw the next timer tick. */ 1931 if (vd->vd_curwindow == vw) { 1932 vd->vd_flags |= VDF_INVALID; 1933 vt_resume_flush_timer(vw, 0); 1934 } 1935 vw->vw_flags &= ~VWF_BUSY; 1936 VT_UNLOCK(vd); 1937 return (0); 1938 } 1939 1940 static int 1941 vt_proc_alive(struct vt_window *vw) 1942 { 1943 struct proc *p; 1944 1945 if (vw->vw_smode.mode != VT_PROCESS) 1946 return (FALSE); 1947 1948 if (vw->vw_proc) { 1949 if ((p = pfind(vw->vw_pid)) != NULL) 1950 PROC_UNLOCK(p); 1951 if (vw->vw_proc == p) 1952 return (TRUE); 1953 vw->vw_proc = NULL; 1954 vw->vw_smode.mode = VT_AUTO; 1955 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid); 1956 vw->vw_pid = 0; 1957 } 1958 return (FALSE); 1959 } 1960 1961 static int 1962 signal_vt_rel(struct vt_window *vw) 1963 { 1964 1965 if (vw->vw_smode.mode != VT_PROCESS) 1966 return (FALSE); 1967 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1968 vw->vw_proc = NULL; 1969 vw->vw_pid = 0; 1970 return (TRUE); 1971 } 1972 vw->vw_flags |= VWF_SWWAIT_REL; 1973 PROC_LOCK(vw->vw_proc); 1974 kern_psignal(vw->vw_proc, vw->vw_smode.relsig); 1975 PROC_UNLOCK(vw->vw_proc); 1976 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid); 1977 return (TRUE); 1978 } 1979 1980 static int 1981 signal_vt_acq(struct vt_window *vw) 1982 { 1983 1984 if (vw->vw_smode.mode != VT_PROCESS) 1985 return (FALSE); 1986 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 1987 cnavailable(vw->vw_terminal->consdev, FALSE); 1988 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1989 vw->vw_proc = NULL; 1990 vw->vw_pid = 0; 1991 return (TRUE); 1992 } 1993 vw->vw_flags |= VWF_SWWAIT_ACQ; 1994 PROC_LOCK(vw->vw_proc); 1995 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig); 1996 PROC_UNLOCK(vw->vw_proc); 1997 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid); 1998 return (TRUE); 1999 } 2000 2001 static int 2002 finish_vt_rel(struct vt_window *vw, int release, int *s) 2003 { 2004 2005 if (vw->vw_flags & VWF_SWWAIT_REL) { 2006 vw->vw_flags &= ~VWF_SWWAIT_REL; 2007 if (release) { 2008 callout_drain(&vw->vw_proc_dead_timer); 2009 (void)vt_late_window_switch(vw->vw_switch_to); 2010 } 2011 return (0); 2012 } 2013 return (EINVAL); 2014 } 2015 2016 static int 2017 finish_vt_acq(struct vt_window *vw) 2018 { 2019 2020 if (vw->vw_flags & VWF_SWWAIT_ACQ) { 2021 vw->vw_flags &= ~VWF_SWWAIT_ACQ; 2022 return (0); 2023 } 2024 return (EINVAL); 2025 } 2026 2027 #ifndef SC_NO_CUTPASTE 2028 static void 2029 vt_mouse_terminput_button(struct vt_device *vd, int button) 2030 { 2031 struct vt_window *vw; 2032 struct vt_font *vf; 2033 char mouseb[6] = "\x1B[M"; 2034 int i, x, y; 2035 2036 vw = vd->vd_curwindow; 2037 vf = vw->vw_font; 2038 2039 /* Translate to char position. */ 2040 x = vd->vd_mx / vf->vf_width; 2041 y = vd->vd_my / vf->vf_height; 2042 /* Avoid overflow. */ 2043 x = MIN(x, 255 - '!'); 2044 y = MIN(y, 255 - '!'); 2045 2046 mouseb[3] = ' ' + button; 2047 mouseb[4] = '!' + x; 2048 mouseb[5] = '!' + y; 2049 2050 for (i = 0; i < sizeof(mouseb); i++) 2051 terminal_input_char(vw->vw_terminal, mouseb[i]); 2052 } 2053 2054 static void 2055 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event, 2056 int cnt) 2057 { 2058 2059 switch (type) { 2060 case MOUSE_BUTTON_EVENT: 2061 if (cnt > 0) { 2062 /* Mouse button pressed. */ 2063 if (event & MOUSE_BUTTON1DOWN) 2064 vt_mouse_terminput_button(vd, 0); 2065 if (event & MOUSE_BUTTON2DOWN) 2066 vt_mouse_terminput_button(vd, 1); 2067 if (event & MOUSE_BUTTON3DOWN) 2068 vt_mouse_terminput_button(vd, 2); 2069 } else { 2070 /* Mouse button released. */ 2071 vt_mouse_terminput_button(vd, 3); 2072 } 2073 break; 2074 #ifdef notyet 2075 case MOUSE_MOTION_EVENT: 2076 if (mouse->u.data.z < 0) { 2077 /* Scroll up. */ 2078 sc_mouse_input_button(vd, 64); 2079 } else if (mouse->u.data.z > 0) { 2080 /* Scroll down. */ 2081 sc_mouse_input_button(vd, 65); 2082 } 2083 break; 2084 #endif 2085 } 2086 } 2087 2088 static void 2089 vt_mouse_paste() 2090 { 2091 term_char_t *buf; 2092 int i, len; 2093 2094 len = VD_PASTEBUFLEN(main_vd); 2095 buf = VD_PASTEBUF(main_vd); 2096 len /= sizeof(term_char_t); 2097 for (i = 0; i < len; i++) { 2098 if (buf[i] == '\0') 2099 continue; 2100 terminal_input_char(main_vd->vd_curwindow->vw_terminal, 2101 buf[i]); 2102 } 2103 } 2104 2105 void 2106 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel) 2107 { 2108 struct vt_device *vd; 2109 struct vt_window *vw; 2110 struct vt_font *vf; 2111 term_pos_t size; 2112 int len, mark; 2113 2114 vd = main_vd; 2115 vw = vd->vd_curwindow; 2116 vf = vw->vw_font; 2117 mark = 0; 2118 2119 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS)) 2120 /* 2121 * Either the mouse is disabled, or the window is in 2122 * "graphics mode". The graphics mode is usually set by 2123 * an X server, using the KDSETMODE ioctl. 2124 */ 2125 return; 2126 2127 if (vf == NULL) /* Text mode. */ 2128 return; 2129 2130 /* 2131 * TODO: add flag about pointer position changed, to not redraw chars 2132 * under mouse pointer when nothing changed. 2133 */ 2134 2135 if (vw->vw_mouse_level > 0) 2136 vt_mouse_terminput(vd, type, x, y, event, cnt); 2137 2138 switch (type) { 2139 case MOUSE_ACTION: 2140 case MOUSE_MOTION_EVENT: 2141 /* Movement */ 2142 x += vd->vd_mx; 2143 y += vd->vd_my; 2144 2145 vt_termsize(vd, vf, &size); 2146 2147 /* Apply limits. */ 2148 x = MAX(x, 0); 2149 y = MAX(y, 0); 2150 x = MIN(x, (size.tp_col * vf->vf_width) - 1); 2151 y = MIN(y, (size.tp_row * vf->vf_height) - 1); 2152 2153 vd->vd_mx = x; 2154 vd->vd_my = y; 2155 if (vd->vd_mstate & MOUSE_BUTTON1DOWN) 2156 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE, 2157 vd->vd_mx / vf->vf_width, 2158 vd->vd_my / vf->vf_height); 2159 2160 vt_resume_flush_timer(vw, 0); 2161 return; /* Done */ 2162 case MOUSE_BUTTON_EVENT: 2163 /* Buttons */ 2164 break; 2165 default: 2166 return; /* Done */ 2167 } 2168 2169 switch (event) { 2170 case MOUSE_BUTTON1DOWN: 2171 switch (cnt % 4) { 2172 case 0: /* up */ 2173 mark = VTB_MARK_END; 2174 break; 2175 case 1: /* single click: start cut operation */ 2176 mark = VTB_MARK_START; 2177 break; 2178 case 2: /* double click: cut a word */ 2179 mark = VTB_MARK_WORD; 2180 break; 2181 case 3: /* triple click: cut a line */ 2182 mark = VTB_MARK_ROW; 2183 break; 2184 } 2185 break; 2186 case VT_MOUSE_PASTEBUTTON: 2187 switch (cnt) { 2188 case 0: /* up */ 2189 break; 2190 default: 2191 vt_mouse_paste(); 2192 break; 2193 } 2194 return; /* Done */ 2195 case VT_MOUSE_EXTENDBUTTON: 2196 switch (cnt) { 2197 case 0: /* up */ 2198 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN)) 2199 mark = VTB_MARK_EXTEND; 2200 else 2201 mark = 0; 2202 break; 2203 default: 2204 mark = VTB_MARK_EXTEND; 2205 break; 2206 } 2207 break; 2208 default: 2209 return; /* Done */ 2210 } 2211 2212 /* Save buttons state. */ 2213 if (cnt > 0) 2214 vd->vd_mstate |= event; 2215 else 2216 vd->vd_mstate &= ~event; 2217 2218 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width, 2219 vd->vd_my / vf->vf_height) == 1) { 2220 /* 2221 * We have something marked to copy, so update pointer to 2222 * window with selection. 2223 */ 2224 vt_resume_flush_timer(vw, 0); 2225 2226 switch (mark) { 2227 case VTB_MARK_END: 2228 case VTB_MARK_WORD: 2229 case VTB_MARK_ROW: 2230 case VTB_MARK_EXTEND: 2231 break; 2232 default: 2233 /* Other types of mark do not require to copy data. */ 2234 return; 2235 } 2236 2237 /* Get current selection size in bytes. */ 2238 len = vtbuf_get_marked_len(&vw->vw_buf); 2239 if (len <= 0) 2240 return; 2241 2242 /* Reallocate buffer only if old one is too small. */ 2243 if (len > VD_PASTEBUFSZ(vd)) { 2244 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT, 2245 M_WAITOK | M_ZERO); 2246 /* Update buffer size. */ 2247 VD_PASTEBUFSZ(vd) = len; 2248 } 2249 /* Request copy/paste buffer data, no more than `len' */ 2250 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd), 2251 VD_PASTEBUFSZ(vd)); 2252 2253 VD_PASTEBUFLEN(vd) = len; 2254 2255 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */ 2256 } 2257 } 2258 2259 void 2260 vt_mouse_state(int show) 2261 { 2262 struct vt_device *vd; 2263 struct vt_window *vw; 2264 2265 vd = main_vd; 2266 vw = vd->vd_curwindow; 2267 2268 switch (show) { 2269 case VT_MOUSE_HIDE: 2270 vw->vw_flags |= VWF_MOUSE_HIDE; 2271 break; 2272 case VT_MOUSE_SHOW: 2273 vw->vw_flags &= ~VWF_MOUSE_HIDE; 2274 break; 2275 } 2276 2277 /* Mark mouse position as dirty. */ 2278 vt_mark_mouse_position_as_dirty(vd, false); 2279 vt_resume_flush_timer(vw, 0); 2280 } 2281 #endif 2282 2283 static int 2284 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr, 2285 int nprot, vm_memattr_t *memattr) 2286 { 2287 struct vt_window *vw = tm->tm_softc; 2288 struct vt_device *vd = vw->vw_device; 2289 2290 if (vd->vd_driver->vd_fb_mmap) 2291 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot, 2292 memattr)); 2293 2294 return (ENXIO); 2295 } 2296 2297 static int 2298 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data, 2299 struct thread *td) 2300 { 2301 struct vt_window *vw = tm->tm_softc; 2302 struct vt_device *vd = vw->vw_device; 2303 keyboard_t *kbd; 2304 int error, i, s; 2305 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 2306 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 2307 int ival; 2308 2309 switch (cmd) { 2310 case _IO('v', 4): 2311 cmd = VT_RELDISP; 2312 break; 2313 case _IO('v', 5): 2314 cmd = VT_ACTIVATE; 2315 break; 2316 case _IO('v', 6): 2317 cmd = VT_WAITACTIVE; 2318 break; 2319 case _IO('K', 20): 2320 cmd = KDSKBSTATE; 2321 break; 2322 case _IO('K', 67): 2323 cmd = KDSETRAD; 2324 break; 2325 case _IO('K', 7): 2326 cmd = KDSKBMODE; 2327 break; 2328 case _IO('K', 8): 2329 cmd = KDMKTONE; 2330 break; 2331 case _IO('K', 10): 2332 cmd = KDSETMODE; 2333 break; 2334 case _IO('K', 13): 2335 cmd = KDSBORDER; 2336 break; 2337 case _IO('K', 63): 2338 cmd = KIOCSOUND; 2339 break; 2340 case _IO('K', 66): 2341 cmd = KDSETLED; 2342 break; 2343 case _IO('c', 104): 2344 cmd = CONS_SETWINORG; 2345 break; 2346 case _IO('c', 110): 2347 cmd = CONS_SETKBD; 2348 break; 2349 default: 2350 goto skip_thunk; 2351 } 2352 ival = IOCPARM_IVAL(data); 2353 data = (caddr_t)&ival; 2354 skip_thunk: 2355 #endif 2356 2357 switch (cmd) { 2358 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 2359 if (*(int *)data & ~0x7f) 2360 return (EINVAL); 2361 /* FALLTHROUGH */ 2362 case GIO_KEYMAP: 2363 case PIO_KEYMAP: 2364 case GIO_DEADKEYMAP: 2365 case PIO_DEADKEYMAP: 2366 case GETFKEY: 2367 case SETFKEY: 2368 case KDGKBINFO: 2369 case KDGKBTYPE: 2370 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 2371 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 2372 case KBADDKBD: /* add/remove keyboard to/from mux */ 2373 case KBRELKBD: { 2374 error = 0; 2375 2376 mtx_lock(&Giant); 2377 if ((kbd = vd->vd_keyboard) != NULL) 2378 error = kbdd_ioctl(kbd, cmd, data); 2379 mtx_unlock(&Giant); 2380 if (error == ENOIOCTL) { 2381 if (cmd == KDGKBTYPE) { 2382 /* always return something? XXX */ 2383 *(int *)data = 0; 2384 } else { 2385 return (ENODEV); 2386 } 2387 } 2388 return (error); 2389 } 2390 case KDGKBSTATE: { /* get keyboard state (locks) */ 2391 error = 0; 2392 2393 if (vw == vd->vd_curwindow) { 2394 mtx_lock(&Giant); 2395 if ((kbd = vd->vd_keyboard) != NULL) 2396 error = vt_save_kbd_state(vw, kbd); 2397 mtx_unlock(&Giant); 2398 2399 if (error != 0) 2400 return (error); 2401 } 2402 2403 *(int *)data = vw->vw_kbdstate & LOCK_MASK; 2404 2405 return (error); 2406 } 2407 case KDSKBSTATE: { /* set keyboard state (locks) */ 2408 int state; 2409 2410 state = *(int *)data; 2411 if (state & ~LOCK_MASK) 2412 return (EINVAL); 2413 2414 vw->vw_kbdstate &= ~LOCK_MASK; 2415 vw->vw_kbdstate |= state; 2416 2417 error = 0; 2418 if (vw == vd->vd_curwindow) { 2419 mtx_lock(&Giant); 2420 if ((kbd = vd->vd_keyboard) != NULL) 2421 error = vt_update_kbd_state(vw, kbd); 2422 mtx_unlock(&Giant); 2423 } 2424 2425 return (error); 2426 } 2427 case KDGETLED: { /* get keyboard LED status */ 2428 error = 0; 2429 2430 if (vw == vd->vd_curwindow) { 2431 mtx_lock(&Giant); 2432 if ((kbd = vd->vd_keyboard) != NULL) 2433 error = vt_save_kbd_leds(vw, kbd); 2434 mtx_unlock(&Giant); 2435 2436 if (error != 0) 2437 return (error); 2438 } 2439 2440 *(int *)data = vw->vw_kbdstate & LED_MASK; 2441 2442 return (error); 2443 } 2444 case KDSETLED: { /* set keyboard LED status */ 2445 int leds; 2446 2447 leds = *(int *)data; 2448 if (leds & ~LED_MASK) 2449 return (EINVAL); 2450 2451 vw->vw_kbdstate &= ~LED_MASK; 2452 vw->vw_kbdstate |= leds; 2453 2454 error = 0; 2455 if (vw == vd->vd_curwindow) { 2456 mtx_lock(&Giant); 2457 if ((kbd = vd->vd_keyboard) != NULL) 2458 error = vt_update_kbd_leds(vw, kbd); 2459 mtx_unlock(&Giant); 2460 } 2461 2462 return (error); 2463 } 2464 case KDGETMODE: 2465 *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ? 2466 KD_GRAPHICS : KD_TEXT; 2467 return (0); 2468 case KDGKBMODE: { 2469 error = 0; 2470 2471 if (vw == vd->vd_curwindow) { 2472 mtx_lock(&Giant); 2473 if ((kbd = vd->vd_keyboard) != NULL) 2474 error = vt_save_kbd_mode(vw, kbd); 2475 mtx_unlock(&Giant); 2476 2477 if (error != 0) 2478 return (error); 2479 } 2480 2481 *(int *)data = vw->vw_kbdmode; 2482 2483 return (error); 2484 } 2485 case KDSKBMODE: { 2486 int mode; 2487 2488 mode = *(int *)data; 2489 switch (mode) { 2490 case K_XLATE: 2491 case K_RAW: 2492 case K_CODE: 2493 vw->vw_kbdmode = mode; 2494 2495 error = 0; 2496 if (vw == vd->vd_curwindow) { 2497 mtx_lock(&Giant); 2498 if ((kbd = vd->vd_keyboard) != NULL) 2499 error = vt_update_kbd_mode(vw, kbd); 2500 mtx_unlock(&Giant); 2501 } 2502 2503 return (error); 2504 default: 2505 return (EINVAL); 2506 } 2507 } 2508 case FBIOGTYPE: 2509 case FBIO_GETWINORG: /* get frame buffer window origin */ 2510 case FBIO_GETDISPSTART: /* get display start address */ 2511 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 2512 case FBIO_BLANK: /* blank display */ 2513 if (vd->vd_driver->vd_fb_ioctl) 2514 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td)); 2515 break; 2516 case CONS_BLANKTIME: 2517 /* XXX */ 2518 return (0); 2519 case CONS_HISTORY: 2520 if (*(int *)data < 0) 2521 return EINVAL; 2522 if (*(int *)data != vw->vw_buf.vb_history_size) 2523 vtbuf_sethistory_size(&vw->vw_buf, *(int *)data); 2524 return (0); 2525 case CONS_CLRHIST: 2526 vtbuf_clearhistory(&vw->vw_buf); 2527 /* 2528 * Invalidate the entire visible window; it is not guaranteed 2529 * that this operation will be immediately followed by a scroll 2530 * event, so it would otherwise be possible for prior artifacts 2531 * to remain visible. 2532 */ 2533 VT_LOCK(vd); 2534 if (vw == vd->vd_curwindow) { 2535 vd->vd_flags |= VDF_INVALID; 2536 vt_resume_flush_timer(vw, 0); 2537 } 2538 VT_UNLOCK(vd); 2539 return (0); 2540 case CONS_GET: 2541 /* XXX */ 2542 *(int *)data = M_CG640x480; 2543 return (0); 2544 case CONS_BELLTYPE: /* set bell type sound */ 2545 if ((*(int *)data) & CONS_QUIET_BELL) 2546 vd->vd_flags |= VDF_QUIET_BELL; 2547 else 2548 vd->vd_flags &= ~VDF_QUIET_BELL; 2549 return (0); 2550 case CONS_GETINFO: { 2551 vid_info_t *vi = (vid_info_t *)data; 2552 if (vi->size != sizeof(struct vid_info)) 2553 return (EINVAL); 2554 2555 if (vw == vd->vd_curwindow) { 2556 mtx_lock(&Giant); 2557 if ((kbd = vd->vd_keyboard) != NULL) 2558 vt_save_kbd_state(vw, kbd); 2559 mtx_unlock(&Giant); 2560 } 2561 2562 vi->m_num = vd->vd_curwindow->vw_number + 1; 2563 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK; 2564 /* XXX: other fields! */ 2565 return (0); 2566 } 2567 case CONS_GETVERS: 2568 *(int *)data = 0x200; 2569 return (0); 2570 case CONS_MODEINFO: 2571 /* XXX */ 2572 return (0); 2573 case CONS_MOUSECTL: { 2574 mouse_info_t *mouse = (mouse_info_t*)data; 2575 2576 /* 2577 * All the commands except MOUSE_SHOW nd MOUSE_HIDE 2578 * should not be applied to individual TTYs, but only to 2579 * consolectl. 2580 */ 2581 switch (mouse->operation) { 2582 case MOUSE_HIDE: 2583 if (vd->vd_flags & VDF_MOUSECURSOR) { 2584 vd->vd_flags &= ~VDF_MOUSECURSOR; 2585 #ifndef SC_NO_CUTPASTE 2586 vt_mouse_state(VT_MOUSE_HIDE); 2587 #endif 2588 } 2589 return (0); 2590 case MOUSE_SHOW: 2591 if (!(vd->vd_flags & VDF_MOUSECURSOR)) { 2592 vd->vd_flags |= VDF_MOUSECURSOR; 2593 vd->vd_mx = vd->vd_width / 2; 2594 vd->vd_my = vd->vd_height / 2; 2595 #ifndef SC_NO_CUTPASTE 2596 vt_mouse_state(VT_MOUSE_SHOW); 2597 #endif 2598 } 2599 return (0); 2600 default: 2601 return (EINVAL); 2602 } 2603 } 2604 case PIO_VFONT: { 2605 struct vt_font *vf; 2606 2607 if (vd->vd_flags & VDF_TEXTMODE) 2608 return (ENOTSUP); 2609 2610 error = vtfont_load((void *)data, &vf); 2611 if (error != 0) 2612 return (error); 2613 2614 error = vt_change_font(vw, vf); 2615 vtfont_unref(vf); 2616 return (error); 2617 } 2618 case PIO_VFONT_DEFAULT: { 2619 /* Reset to default font. */ 2620 error = vt_change_font(vw, vt_font_assigned); 2621 return (error); 2622 } 2623 case GIO_SCRNMAP: { 2624 scrmap_t *sm = (scrmap_t *)data; 2625 2626 /* We don't have screen maps, so return a handcrafted one. */ 2627 for (i = 0; i < 256; i++) 2628 sm->scrmap[i] = i; 2629 return (0); 2630 } 2631 case KDSETMODE: 2632 /* 2633 * FIXME: This implementation is incomplete compared to 2634 * syscons. 2635 */ 2636 switch (*(int *)data) { 2637 case KD_TEXT: 2638 case KD_TEXT1: 2639 case KD_PIXEL: 2640 vw->vw_flags &= ~VWF_GRAPHICS; 2641 break; 2642 case KD_GRAPHICS: 2643 vw->vw_flags |= VWF_GRAPHICS; 2644 break; 2645 } 2646 return (0); 2647 case KDENABIO: /* allow io operations */ 2648 error = priv_check(td, PRIV_IO); 2649 if (error != 0) 2650 return (error); 2651 error = securelevel_gt(td->td_ucred, 0); 2652 if (error != 0) 2653 return (error); 2654 #if defined(__i386__) 2655 td->td_frame->tf_eflags |= PSL_IOPL; 2656 #elif defined(__amd64__) 2657 td->td_frame->tf_rflags |= PSL_IOPL; 2658 #endif 2659 return (0); 2660 case KDDISABIO: /* disallow io operations (default) */ 2661 #if defined(__i386__) 2662 td->td_frame->tf_eflags &= ~PSL_IOPL; 2663 #elif defined(__amd64__) 2664 td->td_frame->tf_rflags &= ~PSL_IOPL; 2665 #endif 2666 return (0); 2667 case KDMKTONE: /* sound the bell */ 2668 vtterm_beep(tm, *(u_int *)data); 2669 return (0); 2670 case KIOCSOUND: /* make tone (*data) hz */ 2671 /* TODO */ 2672 return (0); 2673 case CONS_SETKBD: /* set the new keyboard */ 2674 mtx_lock(&Giant); 2675 error = 0; 2676 if (vd->vd_keyboard == NULL || 2677 vd->vd_keyboard->kb_index != *(int *)data) { 2678 kbd = kbd_get_keyboard(*(int *)data); 2679 if (kbd == NULL) { 2680 mtx_unlock(&Giant); 2681 return (EINVAL); 2682 } 2683 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, 2684 (void *)vd, vt_kbdevent, vd); 2685 if (i >= 0) { 2686 if ((kbd = vd->vd_keyboard) != NULL) { 2687 vt_save_kbd_state(vd->vd_curwindow, kbd); 2688 kbd_release(kbd, (void *)vd); 2689 } 2690 kbd = vd->vd_keyboard = kbd_get_keyboard(i); 2691 2692 vt_update_kbd_mode(vd->vd_curwindow, kbd); 2693 vt_update_kbd_state(vd->vd_curwindow, kbd); 2694 } else { 2695 error = EPERM; /* XXX */ 2696 } 2697 } 2698 mtx_unlock(&Giant); 2699 return (error); 2700 case CONS_RELKBD: /* release the current keyboard */ 2701 mtx_lock(&Giant); 2702 error = 0; 2703 if ((kbd = vd->vd_keyboard) != NULL) { 2704 vt_save_kbd_state(vd->vd_curwindow, kbd); 2705 error = kbd_release(kbd, (void *)vd); 2706 if (error == 0) { 2707 vd->vd_keyboard = NULL; 2708 } 2709 } 2710 mtx_unlock(&Giant); 2711 return (error); 2712 case VT_ACTIVATE: { 2713 int win; 2714 win = *(int *)data - 1; 2715 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME, 2716 VT_UNIT(vw), win); 2717 if ((win >= VT_MAXWINDOWS) || (win < 0)) 2718 return (EINVAL); 2719 return (vt_proc_window_switch(vd->vd_windows[win])); 2720 } 2721 case VT_GETACTIVE: 2722 *(int *)data = vd->vd_curwindow->vw_number + 1; 2723 return (0); 2724 case VT_GETINDEX: 2725 *(int *)data = vw->vw_number + 1; 2726 return (0); 2727 case VT_LOCKSWITCH: 2728 /* TODO: Check current state, switching can be in progress. */ 2729 if ((*(int *)data) == 0x01) 2730 vw->vw_flags |= VWF_VTYLOCK; 2731 else if ((*(int *)data) == 0x02) 2732 vw->vw_flags &= ~VWF_VTYLOCK; 2733 else 2734 return (EINVAL); 2735 return (0); 2736 case VT_OPENQRY: 2737 VT_LOCK(vd); 2738 for (i = 0; i < VT_MAXWINDOWS; i++) { 2739 vw = vd->vd_windows[i]; 2740 if (vw == NULL) 2741 continue; 2742 if (!(vw->vw_flags & VWF_OPENED)) { 2743 *(int *)data = vw->vw_number + 1; 2744 VT_UNLOCK(vd); 2745 return (0); 2746 } 2747 } 2748 VT_UNLOCK(vd); 2749 return (EINVAL); 2750 case VT_WAITACTIVE: { 2751 unsigned int idx; 2752 2753 error = 0; 2754 2755 idx = *(unsigned int *)data; 2756 if (idx > VT_MAXWINDOWS) 2757 return (EINVAL); 2758 if (idx > 0) 2759 vw = vd->vd_windows[idx - 1]; 2760 2761 VT_LOCK(vd); 2762 while (vd->vd_curwindow != vw && error == 0) 2763 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2764 VT_UNLOCK(vd); 2765 return (error); 2766 } 2767 case VT_SETMODE: { /* set screen switcher mode */ 2768 struct vt_mode *mode; 2769 struct proc *p1; 2770 2771 mode = (struct vt_mode *)data; 2772 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw)); 2773 if (vw->vw_smode.mode == VT_PROCESS) { 2774 p1 = pfind(vw->vw_pid); 2775 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) { 2776 if (p1) 2777 PROC_UNLOCK(p1); 2778 DPRINTF(5, "error EPERM\n"); 2779 return (EPERM); 2780 } 2781 if (p1) 2782 PROC_UNLOCK(p1); 2783 } 2784 if (mode->mode == VT_AUTO) { 2785 vw->vw_smode.mode = VT_AUTO; 2786 vw->vw_proc = NULL; 2787 vw->vw_pid = 0; 2788 DPRINTF(5, "VT_AUTO, "); 2789 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2790 cnavailable(vw->vw_terminal->consdev, TRUE); 2791 /* were we in the middle of the vty switching process? */ 2792 if (finish_vt_rel(vw, TRUE, &s) == 0) 2793 DPRINTF(5, "reset WAIT_REL, "); 2794 if (finish_vt_acq(vw) == 0) 2795 DPRINTF(5, "reset WAIT_ACQ, "); 2796 return (0); 2797 } else if (mode->mode == VT_PROCESS) { 2798 if (!ISSIGVALID(mode->relsig) || 2799 !ISSIGVALID(mode->acqsig) || 2800 !ISSIGVALID(mode->frsig)) { 2801 DPRINTF(5, "error EINVAL\n"); 2802 return (EINVAL); 2803 } 2804 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid); 2805 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode)); 2806 vw->vw_proc = td->td_proc; 2807 vw->vw_pid = vw->vw_proc->p_pid; 2808 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2809 cnavailable(vw->vw_terminal->consdev, FALSE); 2810 } else { 2811 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n", 2812 mode->mode); 2813 return (EINVAL); 2814 } 2815 DPRINTF(5, "\n"); 2816 return (0); 2817 } 2818 case VT_GETMODE: /* get screen switcher mode */ 2819 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode)); 2820 return (0); 2821 2822 case VT_RELDISP: /* screen switcher ioctl */ 2823 /* 2824 * This must be the current vty which is in the VT_PROCESS 2825 * switching mode... 2826 */ 2827 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode != 2828 VT_PROCESS)) { 2829 return (EINVAL); 2830 } 2831 /* ...and this process is controlling it. */ 2832 if (vw->vw_proc != td->td_proc) { 2833 return (EPERM); 2834 } 2835 error = EINVAL; 2836 switch(*(int *)data) { 2837 case VT_FALSE: /* user refuses to release screen, abort */ 2838 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0) 2839 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n", 2840 SC_DRIVER_NAME, VT_UNIT(vw)); 2841 break; 2842 case VT_TRUE: /* user has released screen, go on */ 2843 /* finish_vt_rel(..., TRUE, ...) should not be locked */ 2844 if (vw->vw_flags & VWF_SWWAIT_REL) { 2845 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0) 2846 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n", 2847 SC_DRIVER_NAME, VT_UNIT(vw)); 2848 } else { 2849 error = EINVAL; 2850 } 2851 return (error); 2852 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 2853 if ((error = finish_vt_acq(vw)) == 0) 2854 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n", 2855 SC_DRIVER_NAME, VT_UNIT(vw)); 2856 break; 2857 default: 2858 break; 2859 } 2860 return (error); 2861 } 2862 2863 return (ENOIOCTL); 2864 } 2865 2866 static struct vt_window * 2867 vt_allocate_window(struct vt_device *vd, unsigned int window) 2868 { 2869 struct vt_window *vw; 2870 struct terminal *tm; 2871 term_pos_t size; 2872 struct winsize wsz; 2873 2874 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO); 2875 vw->vw_device = vd; 2876 vw->vw_number = window; 2877 vw->vw_kbdmode = K_XLATE; 2878 2879 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 2880 vw->vw_font = vtfont_ref(vt_font_assigned); 2881 vt_compute_drawable_area(vw); 2882 } 2883 2884 vt_termsize(vd, vw->vw_font, &size); 2885 vt_winsize(vd, vw->vw_font, &wsz); 2886 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw); 2887 vw->vw_buf.vb_terminal = tm; /* must be set before vtbuf_init() */ 2888 vtbuf_init(&vw->vw_buf, &size); 2889 2890 terminal_set_winsize(tm, &wsz); 2891 vd->vd_windows[window] = vw; 2892 callout_init(&vw->vw_proc_dead_timer, 1); 2893 2894 return (vw); 2895 } 2896 2897 void 2898 vt_upgrade(struct vt_device *vd) 2899 { 2900 struct vt_window *vw; 2901 unsigned int i; 2902 int register_handlers; 2903 2904 if (!vty_enabled(VTY_VT)) 2905 return; 2906 if (main_vd->vd_driver == NULL) 2907 return; 2908 2909 for (i = 0; i < VT_MAXWINDOWS; i++) { 2910 vw = vd->vd_windows[i]; 2911 if (vw == NULL) { 2912 /* New window. */ 2913 vw = vt_allocate_window(vd, i); 2914 } 2915 if (!(vw->vw_flags & VWF_READY)) { 2916 callout_init(&vw->vw_proc_dead_timer, 1); 2917 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw)); 2918 vw->vw_flags |= VWF_READY; 2919 if (vw->vw_flags & VWF_CONSOLE) { 2920 /* For existing console window. */ 2921 EVENTHANDLER_REGISTER(shutdown_pre_sync, 2922 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT); 2923 } 2924 } 2925 } 2926 VT_LOCK(vd); 2927 if (vd->vd_curwindow == NULL) 2928 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW]; 2929 2930 register_handlers = 0; 2931 if (!(vd->vd_flags & VDF_ASYNC)) { 2932 /* Attach keyboard. */ 2933 vt_allocate_keyboard(vd); 2934 2935 /* Init 25 Hz timer. */ 2936 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0); 2937 2938 /* 2939 * Start timer when everything ready. 2940 * Note that the operations here are purposefully ordered. 2941 * We need to ensure vd_timer_armed is non-zero before we set 2942 * the VDF_ASYNC flag. That prevents this function from 2943 * racing with vt_resume_flush_timer() to update the 2944 * callout structure. 2945 */ 2946 atomic_add_acq_int(&vd->vd_timer_armed, 1); 2947 vd->vd_flags |= VDF_ASYNC; 2948 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd); 2949 register_handlers = 1; 2950 } 2951 2952 VT_UNLOCK(vd); 2953 2954 /* Refill settings with new sizes. */ 2955 vt_resize(vd); 2956 2957 if (register_handlers) { 2958 /* Register suspend/resume handlers. */ 2959 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler, 2960 vd, EVENTHANDLER_PRI_ANY); 2961 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd, 2962 EVENTHANDLER_PRI_ANY); 2963 } 2964 } 2965 2966 static void 2967 vt_resize(struct vt_device *vd) 2968 { 2969 struct vt_window *vw; 2970 int i; 2971 2972 for (i = 0; i < VT_MAXWINDOWS; i++) { 2973 vw = vd->vd_windows[i]; 2974 VT_LOCK(vd); 2975 /* Assign default font to window, if not textmode. */ 2976 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL) 2977 vw->vw_font = vtfont_ref(vt_font_assigned); 2978 VT_UNLOCK(vd); 2979 2980 /* Resize terminal windows */ 2981 while (vt_change_font(vw, vw->vw_font) == EBUSY) { 2982 DPRINTF(100, "%s: vt_change_font() is busy, " 2983 "window %d\n", __func__, i); 2984 } 2985 } 2986 } 2987 2988 static void 2989 vt_replace_backend(const struct vt_driver *drv, void *softc) 2990 { 2991 struct vt_device *vd; 2992 2993 vd = main_vd; 2994 2995 if (vd->vd_flags & VDF_ASYNC) { 2996 /* Stop vt_flush periodic task. */ 2997 VT_LOCK(vd); 2998 vt_suspend_flush_timer(vd); 2999 VT_UNLOCK(vd); 3000 /* 3001 * Mute current terminal until we done. vt_change_font (called 3002 * from vt_resize) will unmute it. 3003 */ 3004 terminal_mute(vd->vd_curwindow->vw_terminal, 1); 3005 } 3006 3007 /* 3008 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will 3009 * set it. 3010 */ 3011 VT_LOCK(vd); 3012 vd->vd_flags &= ~VDF_TEXTMODE; 3013 3014 if (drv != NULL) { 3015 /* 3016 * We want to upgrade from the current driver to the 3017 * given driver. 3018 */ 3019 3020 vd->vd_prev_driver = vd->vd_driver; 3021 vd->vd_prev_softc = vd->vd_softc; 3022 vd->vd_driver = drv; 3023 vd->vd_softc = softc; 3024 3025 vd->vd_driver->vd_init(vd); 3026 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) { 3027 /* 3028 * No driver given: we want to downgrade to the previous 3029 * driver. 3030 */ 3031 const struct vt_driver *old_drv; 3032 void *old_softc; 3033 3034 old_drv = vd->vd_driver; 3035 old_softc = vd->vd_softc; 3036 3037 vd->vd_driver = vd->vd_prev_driver; 3038 vd->vd_softc = vd->vd_prev_softc; 3039 vd->vd_prev_driver = NULL; 3040 vd->vd_prev_softc = NULL; 3041 3042 vd->vd_flags |= VDF_DOWNGRADE; 3043 3044 vd->vd_driver->vd_init(vd); 3045 3046 if (old_drv->vd_fini) 3047 old_drv->vd_fini(vd, old_softc); 3048 3049 vd->vd_flags &= ~VDF_DOWNGRADE; 3050 } 3051 3052 VT_UNLOCK(vd); 3053 3054 /* Update windows sizes and initialize last items. */ 3055 vt_upgrade(vd); 3056 3057 #ifdef DEV_SPLASH 3058 if (vd->vd_flags & VDF_SPLASH) 3059 vtterm_splash(vd); 3060 #endif 3061 3062 if (vd->vd_flags & VDF_ASYNC) { 3063 /* Allow to put chars now. */ 3064 terminal_mute(vd->vd_curwindow->vw_terminal, 0); 3065 /* Rerun timer for screen updates. */ 3066 vt_resume_flush_timer(vd->vd_curwindow, 0); 3067 } 3068 3069 /* 3070 * Register as console. If it already registered, cnadd() will ignore 3071 * it. 3072 */ 3073 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal); 3074 } 3075 3076 static void 3077 vt_suspend_handler(void *priv) 3078 { 3079 struct vt_device *vd; 3080 3081 vd = priv; 3082 vd->vd_flags |= VDF_SUSPENDED; 3083 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL) 3084 vd->vd_driver->vd_suspend(vd); 3085 } 3086 3087 static void 3088 vt_resume_handler(void *priv) 3089 { 3090 struct vt_device *vd; 3091 3092 vd = priv; 3093 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL) 3094 vd->vd_driver->vd_resume(vd); 3095 vd->vd_flags &= ~VDF_SUSPENDED; 3096 } 3097 3098 void 3099 vt_allocate(const struct vt_driver *drv, void *softc) 3100 { 3101 3102 if (!vty_enabled(VTY_VT)) 3103 return; 3104 3105 if (main_vd->vd_driver == NULL) { 3106 main_vd->vd_driver = drv; 3107 printf("VT: initialize with new VT driver \"%s\".\n", 3108 drv->vd_name); 3109 } else { 3110 /* 3111 * Check if have rights to replace current driver. For example: 3112 * it is bad idea to replace KMS driver with generic VGA one. 3113 */ 3114 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) { 3115 printf("VT: Driver priority %d too low. Current %d\n ", 3116 drv->vd_priority, main_vd->vd_driver->vd_priority); 3117 return; 3118 } 3119 printf("VT: Replacing driver \"%s\" with new \"%s\".\n", 3120 main_vd->vd_driver->vd_name, drv->vd_name); 3121 } 3122 3123 vt_replace_backend(drv, softc); 3124 } 3125 3126 void 3127 vt_deallocate(const struct vt_driver *drv, void *softc) 3128 { 3129 3130 if (!vty_enabled(VTY_VT)) 3131 return; 3132 3133 if (main_vd->vd_prev_driver == NULL || 3134 main_vd->vd_driver != drv || 3135 main_vd->vd_softc != softc) 3136 return; 3137 3138 printf("VT: Switching back from \"%s\" to \"%s\".\n", 3139 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name); 3140 3141 vt_replace_backend(NULL, NULL); 3142 } 3143 3144 void 3145 vt_suspend(struct vt_device *vd) 3146 { 3147 int error; 3148 3149 if (vt_suspendswitch == 0) 3150 return; 3151 /* Save current window. */ 3152 vd->vd_savedwindow = vd->vd_curwindow; 3153 /* Ask holding process to free window and switch to console window */ 3154 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]); 3155 3156 /* Wait for the window switch to complete. */ 3157 error = 0; 3158 VT_LOCK(vd); 3159 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0) 3160 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 3161 VT_UNLOCK(vd); 3162 } 3163 3164 void 3165 vt_resume(struct vt_device *vd) 3166 { 3167 3168 if (vt_suspendswitch == 0) 3169 return; 3170 /* Switch back to saved window, if any */ 3171 vt_proc_window_switch(vd->vd_savedwindow); 3172 vd->vd_savedwindow = NULL; 3173 } 3174