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