1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009, 2013 The FreeBSD Foundation 5 * All rights reserved. 6 * 7 * This software was developed by Ed Schouten under sponsorship from the 8 * FreeBSD Foundation. 9 * 10 * Portions of this software were developed by Oleksandr Rybalko 11 * under sponsorship from the FreeBSD Foundation. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <sys/param.h> 39 #include <sys/consio.h> 40 #include <sys/eventhandler.h> 41 #include <sys/fbio.h> 42 #include <sys/font.h> 43 #include <sys/kbio.h> 44 #include <sys/kdb.h> 45 #include <sys/kernel.h> 46 #include <sys/linker.h> 47 #include <sys/lock.h> 48 #include <sys/malloc.h> 49 #include <sys/mutex.h> 50 #include <sys/power.h> 51 #include <sys/priv.h> 52 #include <sys/proc.h> 53 #include <sys/random.h> 54 #include <sys/reboot.h> 55 #include <sys/systm.h> 56 #include <sys/terminal.h> 57 58 #include <dev/kbd/kbdreg.h> 59 #include <dev/vt/vt.h> 60 61 #if defined(__i386__) || defined(__amd64__) 62 #include <machine/psl.h> 63 #include <machine/frame.h> 64 #endif 65 66 static int vtterm_cngrab_noswitch(struct vt_device *, struct vt_window *); 67 static int vtterm_cnungrab_noswitch(struct vt_device *, struct vt_window *); 68 69 static tc_bell_t vtterm_bell; 70 static tc_cursor_t vtterm_cursor; 71 static tc_putchar_t vtterm_putchar; 72 static tc_fill_t vtterm_fill; 73 static tc_copy_t vtterm_copy; 74 static tc_pre_input_t vtterm_pre_input; 75 static tc_post_input_t vtterm_post_input; 76 static tc_param_t vtterm_param; 77 static tc_done_t vtterm_done; 78 79 static tc_cnprobe_t vtterm_cnprobe; 80 static tc_cngetc_t vtterm_cngetc; 81 82 static tc_cngrab_t vtterm_cngrab; 83 static tc_cnungrab_t vtterm_cnungrab; 84 85 static tc_opened_t vtterm_opened; 86 static tc_ioctl_t vtterm_ioctl; 87 static tc_mmap_t vtterm_mmap; 88 89 const struct terminal_class vt_termclass = { 90 .tc_bell = vtterm_bell, 91 .tc_cursor = vtterm_cursor, 92 .tc_putchar = vtterm_putchar, 93 .tc_fill = vtterm_fill, 94 .tc_copy = vtterm_copy, 95 .tc_pre_input = vtterm_pre_input, 96 .tc_post_input = vtterm_post_input, 97 .tc_param = vtterm_param, 98 .tc_done = vtterm_done, 99 100 .tc_cnprobe = vtterm_cnprobe, 101 .tc_cngetc = vtterm_cngetc, 102 103 .tc_cngrab = vtterm_cngrab, 104 .tc_cnungrab = vtterm_cnungrab, 105 106 .tc_opened = vtterm_opened, 107 .tc_ioctl = vtterm_ioctl, 108 .tc_mmap = vtterm_mmap, 109 }; 110 111 /* 112 * Use a constant timer of 25 Hz to redraw the screen. 113 * 114 * XXX: In theory we should only fire up the timer when there is really 115 * activity. Unfortunately we cannot always start timers. We really 116 * don't want to process kernel messages synchronously, because it 117 * really slows down the system. 118 */ 119 #define VT_TIMERFREQ 25 120 121 /* Bell pitch/duration. */ 122 #define VT_BELLDURATION ((5 * hz + 99) / 100) 123 #define VT_BELLPITCH 800 124 125 #define VT_UNIT(vw) ((vw)->vw_device->vd_unit * VT_MAXWINDOWS + \ 126 (vw)->vw_number) 127 128 static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 129 "vt(9) parameters"); 130 static VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)"); 131 static VT_SYSCTL_INT(enable_bell, 1, "Enable bell"); 132 static VT_SYSCTL_INT(debug, 0, "vt(9) debug level"); 133 static VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode"); 134 static VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend"); 135 136 /* Allow to disable some keyboard combinations. */ 137 static VT_SYSCTL_INT(kbd_halt, 1, "Enable halt keyboard combination. " 138 "See kbdmap(5) to configure."); 139 static VT_SYSCTL_INT(kbd_poweroff, 1, "Enable Power Off keyboard combination. " 140 "See kbdmap(5) to configure."); 141 static VT_SYSCTL_INT(kbd_reboot, 1, "Enable reboot keyboard combination. " 142 "See kbdmap(5) to configure (typically Ctrl-Alt-Delete)."); 143 static VT_SYSCTL_INT(kbd_debug, 1, "Enable key combination to enter debugger. " 144 "See kbdmap(5) to configure (typically Ctrl-Alt-Esc)."); 145 static VT_SYSCTL_INT(kbd_panic, 0, "Enable request to panic. " 146 "See kbdmap(5) to configure."); 147 148 /* Used internally, not a tunable. */ 149 int vt_draw_logo_cpus; 150 VT_SYSCTL_INT(splash_cpu, 0, "Show logo CPUs during boot"); 151 VT_SYSCTL_INT(splash_ncpu, 0, "Override number of logos displayed " 152 "(0 = do not override)"); 153 VT_SYSCTL_INT(splash_cpu_style, 2, "Draw logo style " 154 "(0 = Alternate beastie, 1 = Beastie, 2 = Orb)"); 155 VT_SYSCTL_INT(splash_cpu_duration, 10, "Hide logos after (seconds)"); 156 157 static unsigned int vt_unit = 0; 158 static MALLOC_DEFINE(M_VT, "vt", "vt device"); 159 struct vt_device *main_vd = &vt_consdev; 160 161 /* Boot logo. */ 162 extern unsigned int vt_logo_width; 163 extern unsigned int vt_logo_height; 164 extern unsigned int vt_logo_depth; 165 extern unsigned char vt_logo_image[]; 166 #ifndef DEV_SPLASH 167 #define vtterm_draw_cpu_logos(...) do {} while (0) 168 const unsigned int vt_logo_sprite_height; 169 #endif 170 171 /* 172 * Console font. vt_font_loader will be filled with font data passed 173 * by loader. If there is no font passed by boot loader, we use built in 174 * default. 175 */ 176 extern struct vt_font vt_font_default; 177 static struct vt_font vt_font_loader; 178 static struct vt_font *vt_font_assigned = &vt_font_default; 179 180 #ifndef SC_NO_CUTPASTE 181 extern struct vt_mouse_cursor vt_default_mouse_pointer; 182 #endif 183 184 static int signal_vt_rel(struct vt_window *); 185 static int signal_vt_acq(struct vt_window *); 186 static int finish_vt_rel(struct vt_window *, int, int *); 187 static int finish_vt_acq(struct vt_window *); 188 static int vt_window_switch(struct vt_window *); 189 static int vt_late_window_switch(struct vt_window *); 190 static int vt_proc_alive(struct vt_window *); 191 static void vt_resize(struct vt_device *); 192 static void vt_update_static(void *); 193 #ifndef SC_NO_CUTPASTE 194 static void vt_mouse_paste(void); 195 #endif 196 static void vt_suspend_handler(void *priv); 197 static void vt_resume_handler(void *priv); 198 199 SET_DECLARE(vt_drv_set, struct vt_driver); 200 201 #define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)) 202 #define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_MAX_WIDTH)) 203 204 struct terminal vt_consterm; 205 static struct vt_window vt_conswindow; 206 #ifndef SC_NO_CONSDRAWN 207 static term_char_t vt_consdrawn[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 208 static term_color_t vt_consdrawnfg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 209 static term_color_t vt_consdrawnbg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 210 #endif 211 struct vt_device vt_consdev = { 212 .vd_driver = NULL, 213 .vd_softc = NULL, 214 .vd_prev_driver = NULL, 215 .vd_prev_softc = NULL, 216 .vd_flags = VDF_INVALID, 217 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, }, 218 .vd_curwindow = &vt_conswindow, 219 .vd_kbstate = 0, 220 221 #ifndef SC_NO_CUTPASTE 222 .vd_pastebuf = { 223 .vpb_buf = NULL, 224 .vpb_bufsz = 0, 225 .vpb_len = 0 226 }, 227 .vd_mcursor = &vt_default_mouse_pointer, 228 .vd_mcursor_fg = TC_WHITE, 229 .vd_mcursor_bg = TC_BLACK, 230 #endif 231 232 #ifndef SC_NO_CONSDRAWN 233 .vd_drawn = vt_consdrawn, 234 .vd_drawnfg = vt_consdrawnfg, 235 .vd_drawnbg = vt_consdrawnbg, 236 #endif 237 }; 238 static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)]; 239 static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE]; 240 static struct vt_window vt_conswindow = { 241 .vw_number = VT_CONSWINDOW, 242 .vw_flags = VWF_CONSOLE, 243 .vw_buf = { 244 .vb_buffer = &vt_constextbuf[0], 245 .vb_rows = &vt_constextbufrows[0], 246 .vb_history_size = VBF_DEFAULT_HISTORY_SIZE, 247 .vb_curroffset = 0, 248 .vb_roffset = 0, 249 .vb_flags = VBF_STATIC, 250 .vb_mark_start = {.tp_row = 0, .tp_col = 0,}, 251 .vb_mark_end = {.tp_row = 0, .tp_col = 0,}, 252 .vb_scr_size = { 253 .tp_row = _VTDEFH, 254 .tp_col = _VTDEFW, 255 }, 256 }, 257 .vw_device = &vt_consdev, 258 .vw_terminal = &vt_consterm, 259 .vw_kbdmode = K_XLATE, 260 .vw_grabbed = 0, 261 }; 262 struct terminal vt_consterm = { 263 .tm_class = &vt_termclass, 264 .tm_softc = &vt_conswindow, 265 .tm_flags = TF_CONS, 266 }; 267 static struct consdev vt_consterm_consdev = { 268 .cn_ops = &termcn_cnops, 269 .cn_arg = &vt_consterm, 270 .cn_name = "ttyv0", 271 }; 272 273 /* Add to set of consoles. */ 274 DATA_SET(cons_set, vt_consterm_consdev); 275 276 /* 277 * Right after kmem is done to allow early drivers to use locking and allocate 278 * memory. 279 */ 280 SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static, 281 &vt_consdev); 282 /* Delay until all devices attached, to not waste time. */ 283 SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade, 284 &vt_consdev); 285 286 /* Initialize locks/mem depended members. */ 287 static void 288 vt_update_static(void *dummy) 289 { 290 291 if (!vty_enabled(VTY_VT)) 292 return; 293 if (main_vd->vd_driver != NULL) 294 printf("VT(%s): %s %ux%u\n", main_vd->vd_driver->vd_name, 295 (main_vd->vd_flags & VDF_TEXTMODE) ? "text" : "resolution", 296 main_vd->vd_width, main_vd->vd_height); 297 else 298 printf("VT: init without driver.\n"); 299 300 mtx_init(&main_vd->vd_lock, "vtdev", NULL, MTX_DEF); 301 cv_init(&main_vd->vd_winswitch, "vtwswt"); 302 } 303 304 static void 305 vt_schedule_flush(struct vt_device *vd, int ms) 306 { 307 308 if (ms <= 0) 309 /* Default to initial value. */ 310 ms = 1000 / VT_TIMERFREQ; 311 312 callout_schedule(&vd->vd_timer, hz / (1000 / ms)); 313 } 314 315 void 316 vt_resume_flush_timer(struct vt_window *vw, int ms) 317 { 318 struct vt_device *vd = vw->vw_device; 319 320 if (vd->vd_curwindow != vw) 321 return; 322 323 if (!(vd->vd_flags & VDF_ASYNC) || 324 !atomic_cmpset_int(&vd->vd_timer_armed, 0, 1)) 325 return; 326 327 vt_schedule_flush(vd, ms); 328 } 329 330 static void 331 vt_suspend_flush_timer(struct vt_device *vd) 332 { 333 /* 334 * As long as this function is called locked, callout_stop() 335 * has the same effect like callout_drain() with regard to 336 * preventing the callback function from executing. 337 */ 338 VT_LOCK_ASSERT(vd, MA_OWNED); 339 340 if (!(vd->vd_flags & VDF_ASYNC) || 341 !atomic_cmpset_int(&vd->vd_timer_armed, 1, 0)) 342 return; 343 344 callout_stop(&vd->vd_timer); 345 } 346 347 static void 348 vt_switch_timer(void *arg) 349 { 350 351 (void)vt_late_window_switch((struct vt_window *)arg); 352 } 353 354 static int 355 vt_save_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 356 { 357 int mode, ret; 358 359 mode = 0; 360 ret = kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode); 361 if (ret == ENOIOCTL) 362 ret = ENODEV; 363 if (ret != 0) 364 return (ret); 365 366 vw->vw_kbdmode = mode; 367 368 return (0); 369 } 370 371 static int 372 vt_update_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 373 { 374 int ret; 375 376 ret = kbdd_ioctl(kbd, KDSKBMODE, (caddr_t)&vw->vw_kbdmode); 377 if (ret == ENOIOCTL) 378 ret = ENODEV; 379 380 return (ret); 381 } 382 383 static int 384 vt_save_kbd_state(struct vt_window *vw, keyboard_t *kbd) 385 { 386 int state, ret; 387 388 state = 0; 389 ret = kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state); 390 if (ret == ENOIOCTL) 391 ret = ENODEV; 392 if (ret != 0) 393 return (ret); 394 395 vw->vw_kbdstate &= ~LOCK_MASK; 396 vw->vw_kbdstate |= state & LOCK_MASK; 397 398 return (0); 399 } 400 401 static int 402 vt_update_kbd_state(struct vt_window *vw, keyboard_t *kbd) 403 { 404 int state, ret; 405 406 state = vw->vw_kbdstate & LOCK_MASK; 407 ret = kbdd_ioctl(kbd, KDSKBSTATE, (caddr_t)&state); 408 if (ret == ENOIOCTL) 409 ret = ENODEV; 410 411 return (ret); 412 } 413 414 static int 415 vt_save_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 416 { 417 int leds, ret; 418 419 leds = 0; 420 ret = kbdd_ioctl(kbd, KDGETLED, (caddr_t)&leds); 421 if (ret == ENOIOCTL) 422 ret = ENODEV; 423 if (ret != 0) 424 return (ret); 425 426 vw->vw_kbdstate &= ~LED_MASK; 427 vw->vw_kbdstate |= leds & LED_MASK; 428 429 return (0); 430 } 431 432 static int 433 vt_update_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 434 { 435 int leds, ret; 436 437 leds = vw->vw_kbdstate & LED_MASK; 438 ret = kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 439 if (ret == ENOIOCTL) 440 ret = ENODEV; 441 442 return (ret); 443 } 444 445 static int 446 vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw) 447 { 448 449 DPRINTF(40, "%s\n", __func__); 450 curvw->vw_switch_to = vw; 451 /* Set timer to allow switch in case when process hang. */ 452 callout_reset(&vw->vw_proc_dead_timer, hz * vt_deadtimer, 453 vt_switch_timer, (void *)vw); 454 /* Notify process about vt switch attempt. */ 455 DPRINTF(30, "%s: Notify process.\n", __func__); 456 signal_vt_rel(curvw); 457 458 return (0); 459 } 460 461 static int 462 vt_window_postswitch(struct vt_window *vw) 463 { 464 465 signal_vt_acq(vw); 466 return (0); 467 } 468 469 /* vt_late_window_switch will do VT switching for regular case. */ 470 static int 471 vt_late_window_switch(struct vt_window *vw) 472 { 473 struct vt_window *curvw; 474 int ret; 475 476 callout_stop(&vw->vw_proc_dead_timer); 477 478 ret = vt_window_switch(vw); 479 if (ret != 0) { 480 /* 481 * If the switch hasn't happened, then return the VT 482 * to the current owner, if any. 483 */ 484 curvw = vw->vw_device->vd_curwindow; 485 if (curvw->vw_smode.mode == VT_PROCESS) 486 (void)vt_window_postswitch(curvw); 487 return (ret); 488 } 489 490 /* Notify owner process about terminal availability. */ 491 if (vw->vw_smode.mode == VT_PROCESS) { 492 ret = vt_window_postswitch(vw); 493 } 494 return (ret); 495 } 496 497 /* Switch window. */ 498 static int 499 vt_proc_window_switch(struct vt_window *vw) 500 { 501 struct vt_window *curvw; 502 struct vt_device *vd; 503 int ret; 504 505 /* Prevent switching to NULL */ 506 if (vw == NULL) { 507 DPRINTF(30, "%s: Cannot switch: vw is NULL.", __func__); 508 return (EINVAL); 509 } 510 vd = vw->vw_device; 511 curvw = vd->vd_curwindow; 512 513 /* Check if virtual terminal is locked */ 514 if (curvw->vw_flags & VWF_VTYLOCK) 515 return (EBUSY); 516 517 /* Check if switch already in progress */ 518 if (curvw->vw_flags & VWF_SWWAIT_REL) { 519 /* Check if switching to same window */ 520 if (curvw->vw_switch_to == vw) { 521 DPRINTF(30, "%s: Switch in progress to same vw.", __func__); 522 return (0); /* success */ 523 } 524 DPRINTF(30, "%s: Switch in progress to different vw.", __func__); 525 return (EBUSY); 526 } 527 528 /* Avoid switching to already selected window */ 529 if (vw == curvw) { 530 DPRINTF(30, "%s: Cannot switch: vw == curvw.", __func__); 531 return (0); /* success */ 532 } 533 534 /* 535 * Early check for an attempt to switch to a non-functional VT. 536 * The same check is done in vt_window_switch(), but it's better 537 * to fail as early as possible to avoid needless pre-switch 538 * actions. 539 */ 540 VT_LOCK(vd); 541 if ((vw->vw_flags & (VWF_OPENED|VWF_CONSOLE)) == 0) { 542 VT_UNLOCK(vd); 543 return (EINVAL); 544 } 545 VT_UNLOCK(vd); 546 547 /* Ask current process permission to switch away. */ 548 if (curvw->vw_smode.mode == VT_PROCESS) { 549 DPRINTF(30, "%s: VT_PROCESS ", __func__); 550 if (vt_proc_alive(curvw) == FALSE) { 551 DPRINTF(30, "Dead. Cleaning."); 552 /* Dead */ 553 } else { 554 DPRINTF(30, "%s: Signaling process.\n", __func__); 555 /* Alive, try to ask him. */ 556 ret = vt_window_preswitch(vw, curvw); 557 /* Wait for process answer or timeout. */ 558 return (ret); 559 } 560 DPRINTF(30, "\n"); 561 } 562 563 ret = vt_late_window_switch(vw); 564 return (ret); 565 } 566 567 /* Switch window ignoring process locking. */ 568 static int 569 vt_window_switch(struct vt_window *vw) 570 { 571 struct vt_device *vd = vw->vw_device; 572 struct vt_window *curvw = vd->vd_curwindow; 573 keyboard_t *kbd; 574 575 if (kdb_active) { 576 /* 577 * When grabbing the console for the debugger, avoid 578 * locks as that can result in deadlock. While this 579 * could use try locks, that wouldn't really make a 580 * difference as there are sufficient barriers in 581 * debugger entry/exit to be equivalent to 582 * successfully try-locking here. 583 */ 584 if (curvw == vw) 585 return (0); 586 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) 587 return (EINVAL); 588 589 vd->vd_curwindow = vw; 590 vd->vd_flags |= VDF_INVALID; 591 if (vd->vd_driver->vd_postswitch) 592 vd->vd_driver->vd_postswitch(vd); 593 return (0); 594 } 595 596 VT_LOCK(vd); 597 if (curvw == vw) { 598 /* Nothing to do. */ 599 VT_UNLOCK(vd); 600 return (0); 601 } 602 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) { 603 VT_UNLOCK(vd); 604 return (EINVAL); 605 } 606 607 vt_suspend_flush_timer(vd); 608 609 vd->vd_curwindow = vw; 610 vd->vd_flags |= VDF_INVALID; 611 cv_broadcast(&vd->vd_winswitch); 612 VT_UNLOCK(vd); 613 614 if (vd->vd_driver->vd_postswitch) 615 vd->vd_driver->vd_postswitch(vd); 616 617 vt_resume_flush_timer(vw, 0); 618 619 /* Restore per-window keyboard mode. */ 620 mtx_lock(&Giant); 621 if ((kbd = vd->vd_keyboard) != NULL) { 622 if (curvw->vw_kbdmode == K_XLATE) 623 vt_save_kbd_state(curvw, kbd); 624 625 vt_update_kbd_mode(vw, kbd); 626 vt_update_kbd_state(vw, kbd); 627 } 628 mtx_unlock(&Giant); 629 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number); 630 631 return (0); 632 } 633 634 void 635 vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size) 636 { 637 638 size->tp_row = vd->vd_height; 639 if (vt_draw_logo_cpus) 640 size->tp_row -= vt_logo_sprite_height; 641 size->tp_col = vd->vd_width; 642 if (vf != NULL) { 643 size->tp_row = MIN(size->tp_row / vf->vf_height, 644 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 645 size->tp_col = MIN(size->tp_col / vf->vf_width, 646 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 647 } 648 } 649 650 static inline void 651 vt_termrect(struct vt_device *vd, struct vt_font *vf, term_rect_t *rect) 652 { 653 654 rect->tr_begin.tp_row = rect->tr_begin.tp_col = 0; 655 if (vt_draw_logo_cpus) 656 rect->tr_begin.tp_row = vt_logo_sprite_height; 657 658 rect->tr_end.tp_row = vd->vd_height; 659 rect->tr_end.tp_col = vd->vd_width; 660 661 if (vf != NULL) { 662 rect->tr_begin.tp_row = 663 howmany(rect->tr_begin.tp_row, vf->vf_height); 664 665 rect->tr_end.tp_row = MIN(rect->tr_end.tp_row / vf->vf_height, 666 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 667 rect->tr_end.tp_col = MIN(rect->tr_end.tp_col / vf->vf_width, 668 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 669 } 670 } 671 672 void 673 vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size) 674 { 675 676 size->ws_ypixel = vd->vd_height; 677 if (vt_draw_logo_cpus) 678 size->ws_ypixel -= vt_logo_sprite_height; 679 size->ws_row = size->ws_ypixel; 680 size->ws_col = size->ws_xpixel = vd->vd_width; 681 if (vf != NULL) { 682 size->ws_row = MIN(size->ws_row / vf->vf_height, 683 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 684 size->ws_col = MIN(size->ws_col / vf->vf_width, 685 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 686 } 687 } 688 689 void 690 vt_compute_drawable_area(struct vt_window *vw) 691 { 692 struct vt_device *vd; 693 struct vt_font *vf; 694 vt_axis_t height; 695 696 vd = vw->vw_device; 697 698 if (vw->vw_font == NULL) { 699 vw->vw_draw_area.tr_begin.tp_col = 0; 700 vw->vw_draw_area.tr_begin.tp_row = 0; 701 if (vt_draw_logo_cpus) 702 vw->vw_draw_area.tr_begin.tp_row = vt_logo_sprite_height; 703 vw->vw_draw_area.tr_end.tp_col = vd->vd_width; 704 vw->vw_draw_area.tr_end.tp_row = vd->vd_height; 705 return; 706 } 707 708 vf = vw->vw_font; 709 710 /* 711 * Compute the drawable area, so that the text is centered on 712 * the screen. 713 */ 714 715 height = vd->vd_height; 716 if (vt_draw_logo_cpus) 717 height -= vt_logo_sprite_height; 718 vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2; 719 vw->vw_draw_area.tr_begin.tp_row = (height % vf->vf_height) / 2; 720 if (vt_draw_logo_cpus) 721 vw->vw_draw_area.tr_begin.tp_row += vt_logo_sprite_height; 722 vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col + 723 rounddown(vd->vd_width, vf->vf_width); 724 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row + 725 rounddown(height, vf->vf_height); 726 } 727 728 static void 729 vt_scroll(struct vt_window *vw, int offset, int whence) 730 { 731 int diff; 732 term_pos_t size; 733 734 if ((vw->vw_flags & VWF_SCROLL) == 0) 735 return; 736 737 vt_termsize(vw->vw_device, vw->vw_font, &size); 738 739 diff = vthistory_seek(&vw->vw_buf, offset, whence); 740 if (diff) 741 vw->vw_device->vd_flags |= VDF_INVALID; 742 vt_resume_flush_timer(vw, 0); 743 } 744 745 static int 746 vt_machine_kbdevent(struct vt_device *vd, int c) 747 { 748 749 switch (c) { 750 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */ 751 if (vt_kbd_debug) { 752 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger"); 753 #if VT_ALT_TO_ESC_HACK 754 /* 755 * There's an unfortunate conflict between SPCLKEY|DBG 756 * and VT_ALT_TO_ESC_HACK. Just assume they didn't mean 757 * it if we got to here. 758 */ 759 vd->vd_kbstate &= ~ALKED; 760 #endif 761 } 762 return (1); 763 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */ 764 if (vt_kbd_halt) 765 shutdown_nice(RB_HALT); 766 return (1); 767 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */ 768 #ifndef SC_NO_CUTPASTE 769 /* Insert text from cut-paste buffer. */ 770 vt_mouse_paste(); 771 #endif 772 break; 773 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */ 774 if (vt_kbd_poweroff) 775 shutdown_nice(RB_HALT|RB_POWEROFF); 776 return (1); 777 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */ 778 /* 779 * Request to immediate panic if sysctl 780 * kern.vt.enable_panic_key allow it. 781 */ 782 if (vt_kbd_panic) 783 panic("Forced by the panic key"); 784 return (1); 785 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */ 786 if (vt_kbd_reboot) 787 shutdown_nice(RB_AUTOBOOT); 788 return (1); 789 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */ 790 /* Force activatation/deactivation of the screen saver. */ 791 /* TODO */ 792 return (1); 793 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */ 794 /* Put machine into Stand-By mode. */ 795 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 796 return (1); 797 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */ 798 /* Suspend machine. */ 799 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 800 return (1); 801 } 802 803 return (0); 804 } 805 806 static void 807 vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console) 808 { 809 struct vt_device *vd; 810 term_pos_t size; 811 812 vd = vw->vw_device; 813 /* Only special keys handled in ScrollLock mode */ 814 if ((c & SPCLKEY) == 0) 815 return; 816 817 c &= ~SPCLKEY; 818 819 if (console == 0) { 820 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 821 vw = vd->vd_windows[c - F_SCR]; 822 vt_proc_window_switch(vw); 823 return; 824 } 825 VT_LOCK(vd); 826 } 827 828 switch (c) { 829 case SLK: { 830 /* Turn scrolling off. */ 831 vt_scroll(vw, 0, VHS_END); 832 VTBUF_SLCK_DISABLE(&vw->vw_buf); 833 vw->vw_flags &= ~VWF_SCROLL; 834 break; 835 } 836 case FKEY | F(49): /* Home key. */ 837 vt_scroll(vw, 0, VHS_SET); 838 break; 839 case FKEY | F(50): /* Arrow up. */ 840 vt_scroll(vw, -1, VHS_CUR); 841 break; 842 case FKEY | F(51): /* Page up. */ 843 vt_termsize(vd, vw->vw_font, &size); 844 vt_scroll(vw, -size.tp_row, VHS_CUR); 845 break; 846 case FKEY | F(57): /* End key. */ 847 vt_scroll(vw, 0, VHS_END); 848 break; 849 case FKEY | F(58): /* Arrow down. */ 850 vt_scroll(vw, 1, VHS_CUR); 851 break; 852 case FKEY | F(59): /* Page down. */ 853 vt_termsize(vd, vw->vw_font, &size); 854 vt_scroll(vw, size.tp_row, VHS_CUR); 855 break; 856 } 857 858 if (console == 0) 859 VT_UNLOCK(vd); 860 } 861 862 static int 863 vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c) 864 { 865 struct vt_window *vw = vd->vd_curwindow; 866 867 random_harvest_queue(&c, sizeof(c), RANDOM_KEYBOARD); 868 #if VT_ALT_TO_ESC_HACK 869 if (c & RELKEY) { 870 switch (c & ~RELKEY) { 871 case (SPCLKEY | RALT): 872 if (vt_enable_altgr != 0) 873 break; 874 case (SPCLKEY | LALT): 875 vd->vd_kbstate &= ~ALKED; 876 } 877 /* Other keys ignored for RELKEY event. */ 878 return (0); 879 } else { 880 switch (c & ~RELKEY) { 881 case (SPCLKEY | RALT): 882 if (vt_enable_altgr != 0) 883 break; 884 case (SPCLKEY | LALT): 885 vd->vd_kbstate |= ALKED; 886 } 887 } 888 #else 889 if (c & RELKEY) 890 /* Other keys ignored for RELKEY event. */ 891 return (0); 892 #endif 893 894 if (vt_machine_kbdevent(vd, c)) 895 return (0); 896 897 if (vw->vw_flags & VWF_SCROLL) { 898 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */); 899 /* Scroll mode keys handled, nothing to do more. */ 900 return (0); 901 } 902 903 if (c & SPCLKEY) { 904 c &= ~SPCLKEY; 905 906 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 907 vw = vd->vd_windows[c - F_SCR]; 908 vt_proc_window_switch(vw); 909 return (0); 910 } 911 912 switch (c) { 913 case NEXT: 914 /* Switch to next VT. */ 915 c = (vw->vw_number + 1) % VT_MAXWINDOWS; 916 vw = vd->vd_windows[c]; 917 vt_proc_window_switch(vw); 918 return (0); 919 case PREV: 920 /* Switch to previous VT. */ 921 c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS; 922 vw = vd->vd_windows[c]; 923 vt_proc_window_switch(vw); 924 return (0); 925 case SLK: { 926 vt_save_kbd_state(vw, kbd); 927 VT_LOCK(vd); 928 if (vw->vw_kbdstate & SLKED) { 929 /* Turn scrolling on. */ 930 vw->vw_flags |= VWF_SCROLL; 931 VTBUF_SLCK_ENABLE(&vw->vw_buf); 932 } else { 933 /* Turn scrolling off. */ 934 vw->vw_flags &= ~VWF_SCROLL; 935 VTBUF_SLCK_DISABLE(&vw->vw_buf); 936 vt_scroll(vw, 0, VHS_END); 937 } 938 VT_UNLOCK(vd); 939 break; 940 } 941 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3): 942 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6): 943 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9): 944 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12): 945 /* F1 through F12 keys. */ 946 terminal_input_special(vw->vw_terminal, 947 TKEY_F1 + c - (FKEY | F(1))); 948 break; 949 case FKEY | F(49): /* Home key. */ 950 terminal_input_special(vw->vw_terminal, TKEY_HOME); 951 break; 952 case FKEY | F(50): /* Arrow up. */ 953 terminal_input_special(vw->vw_terminal, TKEY_UP); 954 break; 955 case FKEY | F(51): /* Page up. */ 956 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP); 957 break; 958 case FKEY | F(53): /* Arrow left. */ 959 terminal_input_special(vw->vw_terminal, TKEY_LEFT); 960 break; 961 case FKEY | F(55): /* Arrow right. */ 962 terminal_input_special(vw->vw_terminal, TKEY_RIGHT); 963 break; 964 case FKEY | F(57): /* End key. */ 965 terminal_input_special(vw->vw_terminal, TKEY_END); 966 break; 967 case FKEY | F(58): /* Arrow down. */ 968 terminal_input_special(vw->vw_terminal, TKEY_DOWN); 969 break; 970 case FKEY | F(59): /* Page down. */ 971 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN); 972 break; 973 case FKEY | F(60): /* Insert key. */ 974 terminal_input_special(vw->vw_terminal, TKEY_INSERT); 975 break; 976 case FKEY | F(61): /* Delete key. */ 977 terminal_input_special(vw->vw_terminal, TKEY_DELETE); 978 break; 979 } 980 } else if (KEYFLAGS(c) == 0) { 981 /* Don't do UTF-8 conversion when doing raw mode. */ 982 if (vw->vw_kbdmode == K_XLATE) { 983 #if VT_ALT_TO_ESC_HACK 984 if (vd->vd_kbstate & ALKED) { 985 /* 986 * Prepend ESC sequence if one of ALT keys down. 987 */ 988 terminal_input_char(vw->vw_terminal, 0x1b); 989 } 990 #endif 991 #if defined(KDB) 992 kdb_alt_break(c, &vd->vd_altbrk); 993 #endif 994 terminal_input_char(vw->vw_terminal, KEYCHAR(c)); 995 } else 996 terminal_input_raw(vw->vw_terminal, c); 997 } 998 return (0); 999 } 1000 1001 static int 1002 vt_kbdevent(keyboard_t *kbd, int event, void *arg) 1003 { 1004 struct vt_device *vd = arg; 1005 int c; 1006 1007 switch (event) { 1008 case KBDIO_KEYINPUT: 1009 break; 1010 case KBDIO_UNLOADING: 1011 mtx_lock(&Giant); 1012 vd->vd_keyboard = NULL; 1013 kbd_release(kbd, (void *)vd); 1014 mtx_unlock(&Giant); 1015 return (0); 1016 default: 1017 return (EINVAL); 1018 } 1019 1020 while ((c = kbdd_read_char(kbd, 0)) != NOKEY) 1021 vt_processkey(kbd, vd, c); 1022 1023 return (0); 1024 } 1025 1026 static int 1027 vt_allocate_keyboard(struct vt_device *vd) 1028 { 1029 int grabbed, i, idx0, idx; 1030 keyboard_t *k0, *k; 1031 keyboard_info_t ki; 1032 1033 /* 1034 * If vt_upgrade() happens while the console is grabbed, we are 1035 * potentially going to switch keyboard devices while the keyboard is in 1036 * use. Unwind the grabbing of the current keyboard first, then we will 1037 * re-grab the new keyboard below, before we return. 1038 */ 1039 if (vd->vd_curwindow == &vt_conswindow) { 1040 grabbed = vd->vd_curwindow->vw_grabbed; 1041 for (i = 0; i < grabbed; ++i) 1042 vtterm_cnungrab_noswitch(vd, vd->vd_curwindow); 1043 } 1044 1045 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd); 1046 if (idx0 >= 0) { 1047 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0); 1048 k0 = kbd_get_keyboard(idx0); 1049 1050 for (idx = kbd_find_keyboard2("*", -1, 0); 1051 idx != -1; 1052 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 1053 k = kbd_get_keyboard(idx); 1054 1055 if (idx == idx0 || KBD_IS_BUSY(k)) 1056 continue; 1057 1058 bzero(&ki, sizeof(ki)); 1059 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name)); 1060 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0'; 1061 ki.kb_unit = k->kb_unit; 1062 1063 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 1064 } 1065 } else { 1066 DPRINTF(20, "%s: no kbdmux allocated\n", __func__); 1067 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd); 1068 if (idx0 < 0) { 1069 DPRINTF(10, "%s: No keyboard found.\n", __func__); 1070 return (-1); 1071 } 1072 k0 = kbd_get_keyboard(idx0); 1073 } 1074 vd->vd_keyboard = k0; 1075 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, 1076 vd->vd_keyboard->kb_index); 1077 1078 if (vd->vd_curwindow == &vt_conswindow) { 1079 for (i = 0; i < grabbed; ++i) 1080 vtterm_cngrab_noswitch(vd, vd->vd_curwindow); 1081 } 1082 1083 return (idx0); 1084 } 1085 1086 static void 1087 vtterm_bell(struct terminal *tm) 1088 { 1089 struct vt_window *vw = tm->tm_softc; 1090 struct vt_device *vd = vw->vw_device; 1091 1092 if (!vt_enable_bell) 1093 return; 1094 1095 if (vd->vd_flags & VDF_QUIET_BELL) 1096 return; 1097 1098 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION); 1099 } 1100 1101 static void 1102 vtterm_beep(struct terminal *tm, u_int param) 1103 { 1104 u_int freq, period; 1105 1106 if (!vt_enable_bell) 1107 return; 1108 1109 if ((param == 0) || ((param & 0xffff) == 0)) { 1110 vtterm_bell(tm); 1111 return; 1112 } 1113 1114 period = ((param >> 16) & 0xffff) * hz / 1000; 1115 freq = 1193182 / (param & 0xffff); 1116 1117 sysbeep(freq, period); 1118 } 1119 1120 static void 1121 vtterm_cursor(struct terminal *tm, const term_pos_t *p) 1122 { 1123 struct vt_window *vw = tm->tm_softc; 1124 1125 vtbuf_cursor_position(&vw->vw_buf, p); 1126 } 1127 1128 static void 1129 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c) 1130 { 1131 struct vt_window *vw = tm->tm_softc; 1132 1133 vtbuf_putchar(&vw->vw_buf, p, c); 1134 } 1135 1136 static void 1137 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c) 1138 { 1139 struct vt_window *vw = tm->tm_softc; 1140 1141 vtbuf_fill(&vw->vw_buf, r, c); 1142 } 1143 1144 static void 1145 vtterm_copy(struct terminal *tm, const term_rect_t *r, 1146 const term_pos_t *p) 1147 { 1148 struct vt_window *vw = tm->tm_softc; 1149 1150 vtbuf_copy(&vw->vw_buf, r, p); 1151 } 1152 1153 static void 1154 vtterm_param(struct terminal *tm, int cmd, unsigned int arg) 1155 { 1156 struct vt_window *vw = tm->tm_softc; 1157 1158 switch (cmd) { 1159 case TP_SETLOCALCURSOR: 1160 /* 1161 * 0 means normal (usually block), 1 means hidden, and 1162 * 2 means blinking (always block) for compatibility with 1163 * syscons. We don't support any changes except hiding, 1164 * so must map 2 to 0. 1165 */ 1166 arg = (arg == 1) ? 0 : 1; 1167 /* FALLTHROUGH */ 1168 case TP_SHOWCURSOR: 1169 vtbuf_cursor_visibility(&vw->vw_buf, arg); 1170 vt_resume_flush_timer(vw, 0); 1171 break; 1172 case TP_MOUSE: 1173 vw->vw_mouse_level = arg; 1174 break; 1175 } 1176 } 1177 1178 void 1179 vt_determine_colors(term_char_t c, int cursor, 1180 term_color_t *fg, term_color_t *bg) 1181 { 1182 term_color_t tmp; 1183 int invert; 1184 1185 invert = 0; 1186 1187 *fg = TCHAR_FGCOLOR(c); 1188 if (TCHAR_FORMAT(c) & TF_BOLD) 1189 *fg = TCOLOR_LIGHT(*fg); 1190 *bg = TCHAR_BGCOLOR(c); 1191 if (TCHAR_FORMAT(c) & TF_BLINK) 1192 *bg = TCOLOR_LIGHT(*bg); 1193 1194 if (TCHAR_FORMAT(c) & TF_REVERSE) 1195 invert ^= 1; 1196 if (cursor) 1197 invert ^= 1; 1198 1199 if (invert) { 1200 tmp = *fg; 1201 *fg = *bg; 1202 *bg = tmp; 1203 } 1204 } 1205 1206 #ifndef SC_NO_CUTPASTE 1207 int 1208 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area) 1209 { 1210 unsigned int mx, my; 1211 1212 /* 1213 * We use the cursor position saved during the current refresh, 1214 * in case the cursor moved since. 1215 */ 1216 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col; 1217 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row; 1218 1219 if (mx >= area->tr_end.tp_col || 1220 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col || 1221 my >= area->tr_end.tp_row || 1222 my + vd->vd_mcursor->height <= area->tr_begin.tp_row) 1223 return (0); 1224 return (1); 1225 } 1226 1227 static void 1228 vt_mark_mouse_position_as_dirty(struct vt_device *vd, int locked) 1229 { 1230 term_rect_t area; 1231 struct vt_window *vw; 1232 struct vt_font *vf; 1233 int x, y; 1234 1235 vw = vd->vd_curwindow; 1236 vf = vw->vw_font; 1237 1238 x = vd->vd_mx_drawn; 1239 y = vd->vd_my_drawn; 1240 1241 if (vf != NULL) { 1242 area.tr_begin.tp_col = x / vf->vf_width; 1243 area.tr_begin.tp_row = y / vf->vf_height; 1244 area.tr_end.tp_col = 1245 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1; 1246 area.tr_end.tp_row = 1247 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1; 1248 } else { 1249 /* 1250 * No font loaded (ie. vt_vga operating in textmode). 1251 * 1252 * FIXME: This fake area needs to be revisited once the 1253 * mouse cursor is supported in vt_vga's textmode. 1254 */ 1255 area.tr_begin.tp_col = x; 1256 area.tr_begin.tp_row = y; 1257 area.tr_end.tp_col = x + 2; 1258 area.tr_end.tp_row = y + 2; 1259 } 1260 1261 if (!locked) 1262 vtbuf_lock(&vw->vw_buf); 1263 if (vd->vd_driver->vd_invalidate_text) 1264 vd->vd_driver->vd_invalidate_text(vd, &area); 1265 vtbuf_dirty(&vw->vw_buf, &area); 1266 if (!locked) 1267 vtbuf_unlock(&vw->vw_buf); 1268 } 1269 #endif 1270 1271 static void 1272 vt_set_border(struct vt_device *vd, const term_rect_t *area, 1273 term_color_t c) 1274 { 1275 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect; 1276 1277 if (drawrect == NULL) 1278 return; 1279 1280 /* Top bar */ 1281 if (area->tr_begin.tp_row > 0) 1282 drawrect(vd, 0, 0, vd->vd_width - 1, 1283 area->tr_begin.tp_row - 1, 1, c); 1284 1285 /* Left bar */ 1286 if (area->tr_begin.tp_col > 0) 1287 drawrect(vd, 0, area->tr_begin.tp_row, 1288 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c); 1289 1290 /* Right bar */ 1291 if (area->tr_end.tp_col < vd->vd_width) 1292 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row, 1293 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c); 1294 1295 /* Bottom bar */ 1296 if (area->tr_end.tp_row < vd->vd_height) 1297 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1, 1298 vd->vd_height - 1, 1, c); 1299 } 1300 1301 static int 1302 vt_flush(struct vt_device *vd) 1303 { 1304 struct vt_window *vw; 1305 struct vt_font *vf; 1306 term_rect_t tarea; 1307 #ifndef SC_NO_CUTPASTE 1308 int cursor_was_shown, cursor_moved; 1309 #endif 1310 1311 vw = vd->vd_curwindow; 1312 if (vw == NULL) 1313 return (0); 1314 1315 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY) 1316 return (0); 1317 1318 vf = vw->vw_font; 1319 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL)) 1320 return (0); 1321 1322 vtbuf_lock(&vw->vw_buf); 1323 1324 #ifndef SC_NO_CUTPASTE 1325 cursor_was_shown = vd->vd_mshown; 1326 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn || 1327 vd->vd_my != vd->vd_my_drawn); 1328 1329 /* Check if the cursor should be displayed or not. */ 1330 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */ 1331 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */ 1332 !kdb_active && !KERNEL_PANICKED()) { /* DDB inactive. */ 1333 vd->vd_mshown = 1; 1334 } else { 1335 vd->vd_mshown = 0; 1336 } 1337 1338 /* 1339 * If the cursor changed display state or moved, we must mark 1340 * the old position as dirty, so that it's erased. 1341 */ 1342 if (cursor_was_shown != vd->vd_mshown || 1343 (vd->vd_mshown && cursor_moved)) 1344 vt_mark_mouse_position_as_dirty(vd, true); 1345 1346 /* 1347 * Save position of the mouse cursor. It's used by backends to 1348 * know where to draw the cursor and during the next refresh to 1349 * erase the previous position. 1350 */ 1351 vd->vd_mx_drawn = vd->vd_mx; 1352 vd->vd_my_drawn = vd->vd_my; 1353 1354 /* 1355 * If the cursor is displayed and has moved since last refresh, 1356 * mark the new position as dirty. 1357 */ 1358 if (vd->vd_mshown && cursor_moved) 1359 vt_mark_mouse_position_as_dirty(vd, true); 1360 #endif 1361 1362 vtbuf_undirty(&vw->vw_buf, &tarea); 1363 1364 /* Force a full redraw when the screen contents might be invalid. */ 1365 if (vd->vd_flags & (VDF_INVALID | VDF_SUSPENDED)) { 1366 const teken_attr_t *a; 1367 1368 vd->vd_flags &= ~VDF_INVALID; 1369 1370 a = teken_get_curattr(&vw->vw_terminal->tm_emulator); 1371 vt_set_border(vd, &vw->vw_draw_area, a->ta_bgcolor); 1372 vt_termrect(vd, vf, &tarea); 1373 if (vd->vd_driver->vd_invalidate_text) 1374 vd->vd_driver->vd_invalidate_text(vd, &tarea); 1375 if (vt_draw_logo_cpus) 1376 vtterm_draw_cpu_logos(vd); 1377 } 1378 1379 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) { 1380 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea); 1381 vtbuf_unlock(&vw->vw_buf); 1382 return (1); 1383 } 1384 1385 vtbuf_unlock(&vw->vw_buf); 1386 return (0); 1387 } 1388 1389 static void 1390 vt_timer(void *arg) 1391 { 1392 struct vt_device *vd; 1393 int changed; 1394 1395 vd = arg; 1396 /* Update screen if required. */ 1397 changed = vt_flush(vd); 1398 1399 /* Schedule for next update. */ 1400 if (changed) 1401 vt_schedule_flush(vd, 0); 1402 else 1403 vd->vd_timer_armed = 0; 1404 } 1405 1406 static void 1407 vtterm_pre_input(struct terminal *tm) 1408 { 1409 struct vt_window *vw = tm->tm_softc; 1410 1411 vtbuf_lock(&vw->vw_buf); 1412 } 1413 1414 static void 1415 vtterm_post_input(struct terminal *tm) 1416 { 1417 struct vt_window *vw = tm->tm_softc; 1418 1419 vtbuf_unlock(&vw->vw_buf); 1420 vt_resume_flush_timer(vw, 0); 1421 } 1422 1423 static void 1424 vtterm_done(struct terminal *tm) 1425 { 1426 struct vt_window *vw = tm->tm_softc; 1427 struct vt_device *vd = vw->vw_device; 1428 1429 if (kdb_active || KERNEL_PANICKED()) { 1430 /* Switch to the debugger. */ 1431 if (vd->vd_curwindow != vw) { 1432 vd->vd_curwindow = vw; 1433 vd->vd_flags |= VDF_INVALID; 1434 if (vd->vd_driver->vd_postswitch) 1435 vd->vd_driver->vd_postswitch(vd); 1436 } 1437 vd->vd_flags &= ~VDF_SPLASH; 1438 vt_flush(vd); 1439 } else if (!(vd->vd_flags & VDF_ASYNC)) { 1440 vt_flush(vd); 1441 } 1442 } 1443 1444 #ifdef DEV_SPLASH 1445 static void 1446 vtterm_splash(struct vt_device *vd) 1447 { 1448 vt_axis_t top, left; 1449 1450 /* Display a nice boot splash. */ 1451 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) { 1452 top = (vd->vd_height - vt_logo_height) / 2; 1453 left = (vd->vd_width - vt_logo_width) / 2; 1454 switch (vt_logo_depth) { 1455 case 1: 1456 /* XXX: Unhardcode colors! */ 1457 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow, 1458 vt_logo_image, NULL, vt_logo_width, vt_logo_height, 1459 left, top, TC_WHITE, TC_BLACK); 1460 } 1461 vd->vd_flags |= VDF_SPLASH; 1462 } 1463 } 1464 #endif 1465 1466 static struct vt_font * 1467 parse_font_info_static(struct font_info *fi) 1468 { 1469 struct vt_font *vfp; 1470 uintptr_t ptr; 1471 uint32_t checksum; 1472 1473 if (fi == NULL) 1474 return (NULL); 1475 1476 ptr = (uintptr_t)fi; 1477 /* 1478 * Compute and verify checksum. The total sum of all the fields 1479 * must be 0. 1480 */ 1481 checksum = fi->fi_width; 1482 checksum += fi->fi_height; 1483 checksum += fi->fi_bitmap_size; 1484 for (unsigned i = 0; i < VFNT_MAPS; i++) 1485 checksum += fi->fi_map_count[i]; 1486 1487 if (checksum + fi->fi_checksum != 0) 1488 return (NULL); 1489 1490 ptr += sizeof(struct font_info); 1491 ptr = roundup2(ptr, 8); 1492 1493 vfp = &vt_font_loader; 1494 vfp->vf_height = fi->fi_height; 1495 vfp->vf_width = fi->fi_width; 1496 /* This is default font, set refcount 1 to disable removal. */ 1497 vfp->vf_refcount = 1; 1498 for (unsigned i = 0; i < VFNT_MAPS; i++) { 1499 if (fi->fi_map_count[i] == 0) 1500 continue; 1501 vfp->vf_map_count[i] = fi->fi_map_count[i]; 1502 vfp->vf_map[i] = (vfnt_map_t *)ptr; 1503 ptr += (fi->fi_map_count[i] * sizeof(vfnt_map_t)); 1504 ptr = roundup2(ptr, 8); 1505 } 1506 vfp->vf_bytes = (uint8_t *)ptr; 1507 return (vfp); 1508 } 1509 1510 /* 1511 * Set up default font with allocated data structures. 1512 * However, we can not set refcount here, because it is already set and 1513 * incremented in vtterm_cnprobe() to avoid being released by font load from 1514 * userland. 1515 */ 1516 static struct vt_font * 1517 parse_font_info(struct font_info *fi) 1518 { 1519 struct vt_font *vfp; 1520 uintptr_t ptr; 1521 uint32_t checksum; 1522 size_t size; 1523 1524 if (fi == NULL) 1525 return (NULL); 1526 1527 ptr = (uintptr_t)fi; 1528 /* 1529 * Compute and verify checksum. The total sum of all the fields 1530 * must be 0. 1531 */ 1532 checksum = fi->fi_width; 1533 checksum += fi->fi_height; 1534 checksum += fi->fi_bitmap_size; 1535 for (unsigned i = 0; i < VFNT_MAPS; i++) 1536 checksum += fi->fi_map_count[i]; 1537 1538 if (checksum + fi->fi_checksum != 0) 1539 return (NULL); 1540 1541 ptr += sizeof(struct font_info); 1542 ptr = roundup2(ptr, 8); 1543 1544 vfp = &vt_font_loader; 1545 vfp->vf_height = fi->fi_height; 1546 vfp->vf_width = fi->fi_width; 1547 for (unsigned i = 0; i < VFNT_MAPS; i++) { 1548 if (fi->fi_map_count[i] == 0) 1549 continue; 1550 vfp->vf_map_count[i] = fi->fi_map_count[i]; 1551 size = fi->fi_map_count[i] * sizeof(vfnt_map_t); 1552 vfp->vf_map[i] = malloc(size, M_VT, M_WAITOK | M_ZERO); 1553 bcopy((vfnt_map_t *)ptr, vfp->vf_map[i], size); 1554 ptr += size; 1555 ptr = roundup2(ptr, 8); 1556 } 1557 vfp->vf_bytes = malloc(fi->fi_bitmap_size, M_VT, M_WAITOK | M_ZERO); 1558 bcopy((uint8_t *)ptr, vfp->vf_bytes, fi->fi_bitmap_size); 1559 return (vfp); 1560 } 1561 1562 static void 1563 vt_init_font(void *arg) 1564 { 1565 caddr_t kmdp; 1566 struct font_info *fi; 1567 struct vt_font *font; 1568 1569 kmdp = preload_search_by_type("elf kernel"); 1570 if (kmdp == NULL) 1571 kmdp = preload_search_by_type("elf64 kernel"); 1572 fi = MD_FETCH(kmdp, MODINFOMD_FONT, struct font_info *); 1573 1574 font = parse_font_info(fi); 1575 if (font != NULL) 1576 vt_font_assigned = font; 1577 } 1578 1579 SYSINIT(vt_init_font, SI_SUB_KMEM, SI_ORDER_ANY, vt_init_font, &vt_consdev); 1580 1581 static void 1582 vt_init_font_static(void) 1583 { 1584 caddr_t kmdp; 1585 struct font_info *fi; 1586 struct vt_font *font; 1587 1588 kmdp = preload_search_by_type("elf kernel"); 1589 if (kmdp == NULL) 1590 kmdp = preload_search_by_type("elf64 kernel"); 1591 fi = MD_FETCH(kmdp, MODINFOMD_FONT, struct font_info *); 1592 1593 font = parse_font_info_static(fi); 1594 if (font != NULL) 1595 vt_font_assigned = font; 1596 } 1597 1598 static void 1599 vtterm_cnprobe(struct terminal *tm, struct consdev *cp) 1600 { 1601 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL; 1602 struct vt_window *vw = tm->tm_softc; 1603 struct vt_device *vd = vw->vw_device; 1604 struct winsize wsz; 1605 const term_attr_t *a; 1606 1607 if (!vty_enabled(VTY_VT)) 1608 return; 1609 1610 if (vd->vd_flags & VDF_INITIALIZED) 1611 /* Initialization already done. */ 1612 return; 1613 1614 SET_FOREACH(vtdlist, vt_drv_set) { 1615 vtd = *vtdlist; 1616 if (vtd->vd_probe == NULL) 1617 continue; 1618 if (vtd->vd_probe(vd) == CN_DEAD) 1619 continue; 1620 if ((vtdbest == NULL) || 1621 (vtd->vd_priority > vtdbest->vd_priority)) 1622 vtdbest = vtd; 1623 } 1624 if (vtdbest == NULL) { 1625 cp->cn_pri = CN_DEAD; 1626 vd->vd_flags |= VDF_DEAD; 1627 } else { 1628 vd->vd_driver = vtdbest; 1629 cp->cn_pri = vd->vd_driver->vd_init(vd); 1630 } 1631 1632 /* Check if driver's vt_init return CN_DEAD. */ 1633 if (cp->cn_pri == CN_DEAD) { 1634 vd->vd_flags |= VDF_DEAD; 1635 } 1636 1637 /* Initialize any early-boot keyboard drivers */ 1638 kbd_configure(KB_CONF_PROBE_ONLY); 1639 1640 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1); 1641 vd->vd_windows[VT_CONSWINDOW] = vw; 1642 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw)); 1643 1644 vt_init_font_static(); 1645 1646 /* Attach default font if not in TEXTMODE. */ 1647 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 1648 vw->vw_font = vtfont_ref(vt_font_assigned); 1649 vt_compute_drawable_area(vw); 1650 } 1651 1652 /* 1653 * The original screen size was faked (_VTDEFW x _VTDEFH). Now 1654 * that we have the real viewable size, fix it in the static 1655 * buffer. 1656 */ 1657 if (vd->vd_width != 0 && vd->vd_height != 0) 1658 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size); 1659 1660 /* We need to access terminal attributes from vtbuf */ 1661 vw->vw_buf.vb_terminal = tm; 1662 vtbuf_init_early(&vw->vw_buf); 1663 vt_winsize(vd, vw->vw_font, &wsz); 1664 a = teken_get_curattr(&tm->tm_emulator); 1665 terminal_set_winsize_blank(tm, &wsz, 1, a); 1666 1667 if (vtdbest != NULL) { 1668 #ifdef DEV_SPLASH 1669 if (!vt_splash_cpu) 1670 vtterm_splash(vd); 1671 #endif 1672 vd->vd_flags |= VDF_INITIALIZED; 1673 } 1674 } 1675 1676 static int 1677 vtterm_cngetc(struct terminal *tm) 1678 { 1679 struct vt_window *vw = tm->tm_softc; 1680 struct vt_device *vd = vw->vw_device; 1681 keyboard_t *kbd; 1682 u_int c; 1683 1684 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1685 return (*vw->vw_kbdsq++); 1686 1687 /* Make sure the splash screen is not there. */ 1688 if (vd->vd_flags & VDF_SPLASH) { 1689 /* Remove splash */ 1690 vd->vd_flags &= ~VDF_SPLASH; 1691 /* Mark screen as invalid to force update */ 1692 vd->vd_flags |= VDF_INVALID; 1693 vt_flush(vd); 1694 } 1695 1696 /* Stripped down keyboard handler. */ 1697 if ((kbd = vd->vd_keyboard) == NULL) 1698 return (-1); 1699 1700 /* Force keyboard input mode to K_XLATE */ 1701 vw->vw_kbdmode = K_XLATE; 1702 vt_update_kbd_mode(vw, kbd); 1703 1704 /* Switch the keyboard to polling to make it work here. */ 1705 kbdd_poll(kbd, TRUE); 1706 c = kbdd_read_char(kbd, 0); 1707 kbdd_poll(kbd, FALSE); 1708 if (c & RELKEY) 1709 return (-1); 1710 1711 if (vw->vw_flags & VWF_SCROLL) { 1712 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */); 1713 vt_flush(vd); 1714 return (-1); 1715 } 1716 1717 /* Stripped down handling of vt_kbdevent(), without locking, etc. */ 1718 if (c & SPCLKEY) { 1719 switch (c) { 1720 case SPCLKEY | SLK: 1721 vt_save_kbd_state(vw, kbd); 1722 if (vw->vw_kbdstate & SLKED) { 1723 /* Turn scrolling on. */ 1724 vw->vw_flags |= VWF_SCROLL; 1725 VTBUF_SLCK_ENABLE(&vw->vw_buf); 1726 } else { 1727 /* Turn scrolling off. */ 1728 vt_scroll(vw, 0, VHS_END); 1729 vw->vw_flags &= ~VWF_SCROLL; 1730 VTBUF_SLCK_DISABLE(&vw->vw_buf); 1731 } 1732 break; 1733 /* XXX: KDB can handle history. */ 1734 case SPCLKEY | FKEY | F(50): /* Arrow up. */ 1735 vw->vw_kbdsq = "\x1b[A"; 1736 break; 1737 case SPCLKEY | FKEY | F(58): /* Arrow down. */ 1738 vw->vw_kbdsq = "\x1b[B"; 1739 break; 1740 case SPCLKEY | FKEY | F(55): /* Arrow right. */ 1741 vw->vw_kbdsq = "\x1b[C"; 1742 break; 1743 case SPCLKEY | FKEY | F(53): /* Arrow left. */ 1744 vw->vw_kbdsq = "\x1b[D"; 1745 break; 1746 } 1747 1748 /* Force refresh to make scrollback work. */ 1749 vt_flush(vd); 1750 } else if (KEYFLAGS(c) == 0) { 1751 return (KEYCHAR(c)); 1752 } 1753 1754 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1755 return (*vw->vw_kbdsq++); 1756 1757 return (-1); 1758 } 1759 1760 /* 1761 * These two do most of what we want to do in vtterm_cnungrab, but without 1762 * actually switching windows. This is necessary for, e.g., 1763 * vt_allocate_keyboard() to get the current keyboard into the state it needs to 1764 * be in without damaging the device's window state. 1765 * 1766 * Both return the current grab count, though it's only used in vtterm_cnungrab. 1767 */ 1768 static int 1769 vtterm_cngrab_noswitch(struct vt_device *vd, struct vt_window *vw) 1770 { 1771 keyboard_t *kbd; 1772 1773 if (vw->vw_grabbed++ > 0) 1774 return (vw->vw_grabbed); 1775 1776 if ((kbd = vd->vd_keyboard) == NULL) 1777 return (1); 1778 1779 /* 1780 * Make sure the keyboard is accessible even when the kbd device 1781 * driver is disabled. 1782 */ 1783 kbdd_enable(kbd); 1784 1785 /* We shall always use the keyboard in the XLATE mode here. */ 1786 vw->vw_prev_kbdmode = vw->vw_kbdmode; 1787 vw->vw_kbdmode = K_XLATE; 1788 vt_update_kbd_mode(vw, kbd); 1789 1790 kbdd_poll(kbd, TRUE); 1791 return (1); 1792 } 1793 1794 static int 1795 vtterm_cnungrab_noswitch(struct vt_device *vd, struct vt_window *vw) 1796 { 1797 keyboard_t *kbd; 1798 1799 if (--vw->vw_grabbed > 0) 1800 return (vw->vw_grabbed); 1801 1802 if ((kbd = vd->vd_keyboard) == NULL) 1803 return (0); 1804 1805 kbdd_poll(kbd, FALSE); 1806 1807 vw->vw_kbdmode = vw->vw_prev_kbdmode; 1808 vt_update_kbd_mode(vw, kbd); 1809 kbdd_disable(kbd); 1810 return (0); 1811 } 1812 1813 static void 1814 vtterm_cngrab(struct terminal *tm) 1815 { 1816 struct vt_device *vd; 1817 struct vt_window *vw; 1818 1819 vw = tm->tm_softc; 1820 vd = vw->vw_device; 1821 1822 /* To be restored after we ungrab. */ 1823 if (vd->vd_grabwindow == NULL) 1824 vd->vd_grabwindow = vd->vd_curwindow; 1825 1826 if (!cold) 1827 vt_window_switch(vw); 1828 1829 vtterm_cngrab_noswitch(vd, vw); 1830 } 1831 1832 static void 1833 vtterm_cnungrab(struct terminal *tm) 1834 { 1835 struct vt_device *vd; 1836 struct vt_window *vw; 1837 1838 vw = tm->tm_softc; 1839 vd = vw->vw_device; 1840 1841 MPASS(vd->vd_grabwindow != NULL); 1842 if (vtterm_cnungrab_noswitch(vd, vw) != 0) 1843 return; 1844 1845 if (!cold && vd->vd_grabwindow != vw) 1846 vt_window_switch(vd->vd_grabwindow); 1847 1848 vd->vd_grabwindow = NULL; 1849 } 1850 1851 static void 1852 vtterm_opened(struct terminal *tm, int opened) 1853 { 1854 struct vt_window *vw = tm->tm_softc; 1855 struct vt_device *vd = vw->vw_device; 1856 1857 VT_LOCK(vd); 1858 vd->vd_flags &= ~VDF_SPLASH; 1859 if (opened) 1860 vw->vw_flags |= VWF_OPENED; 1861 else { 1862 vw->vw_flags &= ~VWF_OPENED; 1863 /* TODO: finish ACQ/REL */ 1864 } 1865 VT_UNLOCK(vd); 1866 } 1867 1868 static int 1869 vt_change_font(struct vt_window *vw, struct vt_font *vf) 1870 { 1871 struct vt_device *vd = vw->vw_device; 1872 struct terminal *tm = vw->vw_terminal; 1873 term_pos_t size; 1874 struct winsize wsz; 1875 1876 /* 1877 * Changing fonts. 1878 * 1879 * Changing fonts is a little tricky. We must prevent 1880 * simultaneous access to the device, so we must stop 1881 * the display timer and the terminal from accessing. 1882 * We need to switch fonts and grow our screen buffer. 1883 * 1884 * XXX: Right now the code uses terminal_mute() to 1885 * prevent data from reaching the console driver while 1886 * resizing the screen buffer. This isn't elegant... 1887 */ 1888 1889 VT_LOCK(vd); 1890 if (vw->vw_flags & VWF_BUSY) { 1891 /* Another process is changing the font. */ 1892 VT_UNLOCK(vd); 1893 return (EBUSY); 1894 } 1895 vw->vw_flags |= VWF_BUSY; 1896 VT_UNLOCK(vd); 1897 1898 vt_termsize(vd, vf, &size); 1899 vt_winsize(vd, vf, &wsz); 1900 1901 /* Grow the screen buffer and terminal. */ 1902 terminal_mute(tm, 1); 1903 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 1904 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 1905 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 1906 terminal_mute(tm, 0); 1907 1908 /* Actually apply the font to the current window. */ 1909 VT_LOCK(vd); 1910 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) { 1911 /* 1912 * In case vt_change_font called to update size we don't need 1913 * to update font link. 1914 */ 1915 vtfont_unref(vw->vw_font); 1916 vw->vw_font = vtfont_ref(vf); 1917 } 1918 1919 /* 1920 * Compute the drawable area and move the mouse cursor inside 1921 * it, in case the new area is smaller than the previous one. 1922 */ 1923 vt_compute_drawable_area(vw); 1924 vd->vd_mx = min(vd->vd_mx, 1925 vw->vw_draw_area.tr_end.tp_col - 1926 vw->vw_draw_area.tr_begin.tp_col - 1); 1927 vd->vd_my = min(vd->vd_my, 1928 vw->vw_draw_area.tr_end.tp_row - 1929 vw->vw_draw_area.tr_begin.tp_row - 1); 1930 1931 /* Force a full redraw the next timer tick. */ 1932 if (vd->vd_curwindow == vw) { 1933 vd->vd_flags |= VDF_INVALID; 1934 vt_resume_flush_timer(vw, 0); 1935 } 1936 vw->vw_flags &= ~VWF_BUSY; 1937 VT_UNLOCK(vd); 1938 return (0); 1939 } 1940 1941 static int 1942 vt_proc_alive(struct vt_window *vw) 1943 { 1944 struct proc *p; 1945 1946 if (vw->vw_smode.mode != VT_PROCESS) 1947 return (FALSE); 1948 1949 if (vw->vw_proc) { 1950 if ((p = pfind(vw->vw_pid)) != NULL) 1951 PROC_UNLOCK(p); 1952 if (vw->vw_proc == p) 1953 return (TRUE); 1954 vw->vw_proc = NULL; 1955 vw->vw_smode.mode = VT_AUTO; 1956 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid); 1957 vw->vw_pid = 0; 1958 } 1959 return (FALSE); 1960 } 1961 1962 static int 1963 signal_vt_rel(struct vt_window *vw) 1964 { 1965 1966 if (vw->vw_smode.mode != VT_PROCESS) 1967 return (FALSE); 1968 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1969 vw->vw_proc = NULL; 1970 vw->vw_pid = 0; 1971 return (TRUE); 1972 } 1973 vw->vw_flags |= VWF_SWWAIT_REL; 1974 PROC_LOCK(vw->vw_proc); 1975 kern_psignal(vw->vw_proc, vw->vw_smode.relsig); 1976 PROC_UNLOCK(vw->vw_proc); 1977 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid); 1978 return (TRUE); 1979 } 1980 1981 static int 1982 signal_vt_acq(struct vt_window *vw) 1983 { 1984 1985 if (vw->vw_smode.mode != VT_PROCESS) 1986 return (FALSE); 1987 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 1988 cnavailable(vw->vw_terminal->consdev, FALSE); 1989 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1990 vw->vw_proc = NULL; 1991 vw->vw_pid = 0; 1992 return (TRUE); 1993 } 1994 vw->vw_flags |= VWF_SWWAIT_ACQ; 1995 PROC_LOCK(vw->vw_proc); 1996 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig); 1997 PROC_UNLOCK(vw->vw_proc); 1998 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid); 1999 return (TRUE); 2000 } 2001 2002 static int 2003 finish_vt_rel(struct vt_window *vw, int release, int *s) 2004 { 2005 2006 if (vw->vw_flags & VWF_SWWAIT_REL) { 2007 vw->vw_flags &= ~VWF_SWWAIT_REL; 2008 if (release) { 2009 callout_drain(&vw->vw_proc_dead_timer); 2010 (void)vt_late_window_switch(vw->vw_switch_to); 2011 } 2012 return (0); 2013 } 2014 return (EINVAL); 2015 } 2016 2017 static int 2018 finish_vt_acq(struct vt_window *vw) 2019 { 2020 2021 if (vw->vw_flags & VWF_SWWAIT_ACQ) { 2022 vw->vw_flags &= ~VWF_SWWAIT_ACQ; 2023 return (0); 2024 } 2025 return (EINVAL); 2026 } 2027 2028 #ifndef SC_NO_CUTPASTE 2029 static void 2030 vt_mouse_terminput_button(struct vt_device *vd, int button) 2031 { 2032 struct vt_window *vw; 2033 struct vt_font *vf; 2034 char mouseb[6] = "\x1B[M"; 2035 int i, x, y; 2036 2037 vw = vd->vd_curwindow; 2038 vf = vw->vw_font; 2039 2040 /* Translate to char position. */ 2041 x = vd->vd_mx / vf->vf_width; 2042 y = vd->vd_my / vf->vf_height; 2043 /* Avoid overflow. */ 2044 x = MIN(x, 255 - '!'); 2045 y = MIN(y, 255 - '!'); 2046 2047 mouseb[3] = ' ' + button; 2048 mouseb[4] = '!' + x; 2049 mouseb[5] = '!' + y; 2050 2051 for (i = 0; i < sizeof(mouseb); i++) 2052 terminal_input_char(vw->vw_terminal, mouseb[i]); 2053 } 2054 2055 static void 2056 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event, 2057 int cnt) 2058 { 2059 2060 switch (type) { 2061 case MOUSE_BUTTON_EVENT: 2062 if (cnt > 0) { 2063 /* Mouse button pressed. */ 2064 if (event & MOUSE_BUTTON1DOWN) 2065 vt_mouse_terminput_button(vd, 0); 2066 if (event & MOUSE_BUTTON2DOWN) 2067 vt_mouse_terminput_button(vd, 1); 2068 if (event & MOUSE_BUTTON3DOWN) 2069 vt_mouse_terminput_button(vd, 2); 2070 } else { 2071 /* Mouse button released. */ 2072 vt_mouse_terminput_button(vd, 3); 2073 } 2074 break; 2075 #ifdef notyet 2076 case MOUSE_MOTION_EVENT: 2077 if (mouse->u.data.z < 0) { 2078 /* Scroll up. */ 2079 sc_mouse_input_button(vd, 64); 2080 } else if (mouse->u.data.z > 0) { 2081 /* Scroll down. */ 2082 sc_mouse_input_button(vd, 65); 2083 } 2084 break; 2085 #endif 2086 } 2087 } 2088 2089 static void 2090 vt_mouse_paste() 2091 { 2092 term_char_t *buf; 2093 int i, len; 2094 2095 len = VD_PASTEBUFLEN(main_vd); 2096 buf = VD_PASTEBUF(main_vd); 2097 len /= sizeof(term_char_t); 2098 for (i = 0; i < len; i++) { 2099 if (buf[i] == '\0') 2100 continue; 2101 terminal_input_char(main_vd->vd_curwindow->vw_terminal, 2102 buf[i]); 2103 } 2104 } 2105 2106 void 2107 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel) 2108 { 2109 struct vt_device *vd; 2110 struct vt_window *vw; 2111 struct vt_font *vf; 2112 term_pos_t size; 2113 int len, mark; 2114 2115 vd = main_vd; 2116 vw = vd->vd_curwindow; 2117 vf = vw->vw_font; 2118 mark = 0; 2119 2120 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS)) 2121 /* 2122 * Either the mouse is disabled, or the window is in 2123 * "graphics mode". The graphics mode is usually set by 2124 * an X server, using the KDSETMODE ioctl. 2125 */ 2126 return; 2127 2128 if (vf == NULL) /* Text mode. */ 2129 return; 2130 2131 /* 2132 * TODO: add flag about pointer position changed, to not redraw chars 2133 * under mouse pointer when nothing changed. 2134 */ 2135 2136 if (vw->vw_mouse_level > 0) 2137 vt_mouse_terminput(vd, type, x, y, event, cnt); 2138 2139 switch (type) { 2140 case MOUSE_ACTION: 2141 case MOUSE_MOTION_EVENT: 2142 /* Movement */ 2143 x += vd->vd_mx; 2144 y += vd->vd_my; 2145 2146 vt_termsize(vd, vf, &size); 2147 2148 /* Apply limits. */ 2149 x = MAX(x, 0); 2150 y = MAX(y, 0); 2151 x = MIN(x, (size.tp_col * vf->vf_width) - 1); 2152 y = MIN(y, (size.tp_row * vf->vf_height) - 1); 2153 2154 vd->vd_mx = x; 2155 vd->vd_my = y; 2156 if (vd->vd_mstate & MOUSE_BUTTON1DOWN) 2157 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE, 2158 vd->vd_mx / vf->vf_width, 2159 vd->vd_my / vf->vf_height); 2160 2161 vt_resume_flush_timer(vw, 0); 2162 return; /* Done */ 2163 case MOUSE_BUTTON_EVENT: 2164 /* Buttons */ 2165 break; 2166 default: 2167 return; /* Done */ 2168 } 2169 2170 switch (event) { 2171 case MOUSE_BUTTON1DOWN: 2172 switch (cnt % 4) { 2173 case 0: /* up */ 2174 mark = VTB_MARK_END; 2175 break; 2176 case 1: /* single click: start cut operation */ 2177 mark = VTB_MARK_START; 2178 break; 2179 case 2: /* double click: cut a word */ 2180 mark = VTB_MARK_WORD; 2181 break; 2182 case 3: /* triple click: cut a line */ 2183 mark = VTB_MARK_ROW; 2184 break; 2185 } 2186 break; 2187 case VT_MOUSE_PASTEBUTTON: 2188 switch (cnt) { 2189 case 0: /* up */ 2190 break; 2191 default: 2192 vt_mouse_paste(); 2193 break; 2194 } 2195 return; /* Done */ 2196 case VT_MOUSE_EXTENDBUTTON: 2197 switch (cnt) { 2198 case 0: /* up */ 2199 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN)) 2200 mark = VTB_MARK_EXTEND; 2201 else 2202 mark = 0; 2203 break; 2204 default: 2205 mark = VTB_MARK_EXTEND; 2206 break; 2207 } 2208 break; 2209 default: 2210 return; /* Done */ 2211 } 2212 2213 /* Save buttons state. */ 2214 if (cnt > 0) 2215 vd->vd_mstate |= event; 2216 else 2217 vd->vd_mstate &= ~event; 2218 2219 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width, 2220 vd->vd_my / vf->vf_height) == 1) { 2221 /* 2222 * We have something marked to copy, so update pointer to 2223 * window with selection. 2224 */ 2225 vt_resume_flush_timer(vw, 0); 2226 2227 switch (mark) { 2228 case VTB_MARK_END: 2229 case VTB_MARK_WORD: 2230 case VTB_MARK_ROW: 2231 case VTB_MARK_EXTEND: 2232 break; 2233 default: 2234 /* Other types of mark do not require to copy data. */ 2235 return; 2236 } 2237 2238 /* Get current selection size in bytes. */ 2239 len = vtbuf_get_marked_len(&vw->vw_buf); 2240 if (len <= 0) 2241 return; 2242 2243 /* Reallocate buffer only if old one is too small. */ 2244 if (len > VD_PASTEBUFSZ(vd)) { 2245 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT, 2246 M_WAITOK | M_ZERO); 2247 /* Update buffer size. */ 2248 VD_PASTEBUFSZ(vd) = len; 2249 } 2250 /* Request copy/paste buffer data, no more than `len' */ 2251 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd), 2252 VD_PASTEBUFSZ(vd)); 2253 2254 VD_PASTEBUFLEN(vd) = len; 2255 2256 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */ 2257 } 2258 } 2259 2260 void 2261 vt_mouse_state(int show) 2262 { 2263 struct vt_device *vd; 2264 struct vt_window *vw; 2265 2266 vd = main_vd; 2267 vw = vd->vd_curwindow; 2268 2269 switch (show) { 2270 case VT_MOUSE_HIDE: 2271 vw->vw_flags |= VWF_MOUSE_HIDE; 2272 break; 2273 case VT_MOUSE_SHOW: 2274 vw->vw_flags &= ~VWF_MOUSE_HIDE; 2275 break; 2276 } 2277 2278 /* Mark mouse position as dirty. */ 2279 vt_mark_mouse_position_as_dirty(vd, false); 2280 vt_resume_flush_timer(vw, 0); 2281 } 2282 #endif 2283 2284 static int 2285 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr, 2286 int nprot, vm_memattr_t *memattr) 2287 { 2288 struct vt_window *vw = tm->tm_softc; 2289 struct vt_device *vd = vw->vw_device; 2290 2291 if (vd->vd_driver->vd_fb_mmap) 2292 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot, 2293 memattr)); 2294 2295 return (ENXIO); 2296 } 2297 2298 static int 2299 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data, 2300 struct thread *td) 2301 { 2302 struct vt_window *vw = tm->tm_softc; 2303 struct vt_device *vd = vw->vw_device; 2304 keyboard_t *kbd; 2305 int error, i, s; 2306 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 2307 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 2308 int ival; 2309 2310 switch (cmd) { 2311 case _IO('v', 4): 2312 cmd = VT_RELDISP; 2313 break; 2314 case _IO('v', 5): 2315 cmd = VT_ACTIVATE; 2316 break; 2317 case _IO('v', 6): 2318 cmd = VT_WAITACTIVE; 2319 break; 2320 case _IO('K', 20): 2321 cmd = KDSKBSTATE; 2322 break; 2323 case _IO('K', 67): 2324 cmd = KDSETRAD; 2325 break; 2326 case _IO('K', 7): 2327 cmd = KDSKBMODE; 2328 break; 2329 case _IO('K', 8): 2330 cmd = KDMKTONE; 2331 break; 2332 case _IO('K', 10): 2333 cmd = KDSETMODE; 2334 break; 2335 case _IO('K', 13): 2336 cmd = KDSBORDER; 2337 break; 2338 case _IO('K', 63): 2339 cmd = KIOCSOUND; 2340 break; 2341 case _IO('K', 66): 2342 cmd = KDSETLED; 2343 break; 2344 case _IO('c', 104): 2345 cmd = CONS_SETWINORG; 2346 break; 2347 case _IO('c', 110): 2348 cmd = CONS_SETKBD; 2349 break; 2350 default: 2351 goto skip_thunk; 2352 } 2353 ival = IOCPARM_IVAL(data); 2354 data = (caddr_t)&ival; 2355 skip_thunk: 2356 #endif 2357 2358 switch (cmd) { 2359 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 2360 if (*(int *)data & ~0x7f) 2361 return (EINVAL); 2362 /* FALLTHROUGH */ 2363 case GIO_KEYMAP: 2364 case PIO_KEYMAP: 2365 case GIO_DEADKEYMAP: 2366 case PIO_DEADKEYMAP: 2367 case GETFKEY: 2368 case SETFKEY: 2369 case KDGKBINFO: 2370 case KDGKBTYPE: 2371 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 2372 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 2373 case KBADDKBD: /* add/remove keyboard to/from mux */ 2374 case KBRELKBD: { 2375 error = 0; 2376 2377 mtx_lock(&Giant); 2378 if ((kbd = vd->vd_keyboard) != NULL) 2379 error = kbdd_ioctl(kbd, cmd, data); 2380 mtx_unlock(&Giant); 2381 if (error == ENOIOCTL) { 2382 if (cmd == KDGKBTYPE) { 2383 /* always return something? XXX */ 2384 *(int *)data = 0; 2385 } else { 2386 return (ENODEV); 2387 } 2388 } 2389 return (error); 2390 } 2391 case KDGKBSTATE: { /* get keyboard state (locks) */ 2392 error = 0; 2393 2394 if (vw == vd->vd_curwindow) { 2395 mtx_lock(&Giant); 2396 if ((kbd = vd->vd_keyboard) != NULL) 2397 error = vt_save_kbd_state(vw, kbd); 2398 mtx_unlock(&Giant); 2399 2400 if (error != 0) 2401 return (error); 2402 } 2403 2404 *(int *)data = vw->vw_kbdstate & LOCK_MASK; 2405 2406 return (error); 2407 } 2408 case KDSKBSTATE: { /* set keyboard state (locks) */ 2409 int state; 2410 2411 state = *(int *)data; 2412 if (state & ~LOCK_MASK) 2413 return (EINVAL); 2414 2415 vw->vw_kbdstate &= ~LOCK_MASK; 2416 vw->vw_kbdstate |= state; 2417 2418 error = 0; 2419 if (vw == vd->vd_curwindow) { 2420 mtx_lock(&Giant); 2421 if ((kbd = vd->vd_keyboard) != NULL) 2422 error = vt_update_kbd_state(vw, kbd); 2423 mtx_unlock(&Giant); 2424 } 2425 2426 return (error); 2427 } 2428 case KDGETLED: { /* get keyboard LED status */ 2429 error = 0; 2430 2431 if (vw == vd->vd_curwindow) { 2432 mtx_lock(&Giant); 2433 if ((kbd = vd->vd_keyboard) != NULL) 2434 error = vt_save_kbd_leds(vw, kbd); 2435 mtx_unlock(&Giant); 2436 2437 if (error != 0) 2438 return (error); 2439 } 2440 2441 *(int *)data = vw->vw_kbdstate & LED_MASK; 2442 2443 return (error); 2444 } 2445 case KDSETLED: { /* set keyboard LED status */ 2446 int leds; 2447 2448 leds = *(int *)data; 2449 if (leds & ~LED_MASK) 2450 return (EINVAL); 2451 2452 vw->vw_kbdstate &= ~LED_MASK; 2453 vw->vw_kbdstate |= leds; 2454 2455 error = 0; 2456 if (vw == vd->vd_curwindow) { 2457 mtx_lock(&Giant); 2458 if ((kbd = vd->vd_keyboard) != NULL) 2459 error = vt_update_kbd_leds(vw, kbd); 2460 mtx_unlock(&Giant); 2461 } 2462 2463 return (error); 2464 } 2465 case KDGETMODE: 2466 *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ? 2467 KD_GRAPHICS : KD_TEXT; 2468 return (0); 2469 case KDGKBMODE: { 2470 error = 0; 2471 2472 if (vw == vd->vd_curwindow) { 2473 mtx_lock(&Giant); 2474 if ((kbd = vd->vd_keyboard) != NULL) 2475 error = vt_save_kbd_mode(vw, kbd); 2476 mtx_unlock(&Giant); 2477 2478 if (error != 0) 2479 return (error); 2480 } 2481 2482 *(int *)data = vw->vw_kbdmode; 2483 2484 return (error); 2485 } 2486 case KDSKBMODE: { 2487 int mode; 2488 2489 mode = *(int *)data; 2490 switch (mode) { 2491 case K_XLATE: 2492 case K_RAW: 2493 case K_CODE: 2494 vw->vw_kbdmode = mode; 2495 2496 error = 0; 2497 if (vw == vd->vd_curwindow) { 2498 mtx_lock(&Giant); 2499 if ((kbd = vd->vd_keyboard) != NULL) 2500 error = vt_update_kbd_mode(vw, kbd); 2501 mtx_unlock(&Giant); 2502 } 2503 2504 return (error); 2505 default: 2506 return (EINVAL); 2507 } 2508 } 2509 case FBIOGTYPE: 2510 case FBIO_GETWINORG: /* get frame buffer window origin */ 2511 case FBIO_GETDISPSTART: /* get display start address */ 2512 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 2513 case FBIO_BLANK: /* blank display */ 2514 if (vd->vd_driver->vd_fb_ioctl) 2515 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td)); 2516 break; 2517 case CONS_BLANKTIME: 2518 /* XXX */ 2519 return (0); 2520 case CONS_HISTORY: 2521 if (*(int *)data < 0) 2522 return EINVAL; 2523 if (*(int *)data != vw->vw_buf.vb_history_size) 2524 vtbuf_sethistory_size(&vw->vw_buf, *(int *)data); 2525 return (0); 2526 case CONS_CLRHIST: 2527 vtbuf_clearhistory(&vw->vw_buf); 2528 /* 2529 * Invalidate the entire visible window; it is not guaranteed 2530 * that this operation will be immediately followed by a scroll 2531 * event, so it would otherwise be possible for prior artifacts 2532 * to remain visible. 2533 */ 2534 VT_LOCK(vd); 2535 if (vw == vd->vd_curwindow) { 2536 vd->vd_flags |= VDF_INVALID; 2537 vt_resume_flush_timer(vw, 0); 2538 } 2539 VT_UNLOCK(vd); 2540 return (0); 2541 case CONS_GET: 2542 /* XXX */ 2543 *(int *)data = M_CG640x480; 2544 return (0); 2545 case CONS_BELLTYPE: /* set bell type sound */ 2546 if ((*(int *)data) & CONS_QUIET_BELL) 2547 vd->vd_flags |= VDF_QUIET_BELL; 2548 else 2549 vd->vd_flags &= ~VDF_QUIET_BELL; 2550 return (0); 2551 case CONS_GETINFO: { 2552 vid_info_t *vi = (vid_info_t *)data; 2553 if (vi->size != sizeof(struct vid_info)) 2554 return (EINVAL); 2555 2556 if (vw == vd->vd_curwindow) { 2557 mtx_lock(&Giant); 2558 if ((kbd = vd->vd_keyboard) != NULL) 2559 vt_save_kbd_state(vw, kbd); 2560 mtx_unlock(&Giant); 2561 } 2562 2563 vi->m_num = vd->vd_curwindow->vw_number + 1; 2564 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK; 2565 /* XXX: other fields! */ 2566 return (0); 2567 } 2568 case CONS_GETVERS: 2569 *(int *)data = 0x200; 2570 return (0); 2571 case CONS_MODEINFO: 2572 /* XXX */ 2573 return (0); 2574 case CONS_MOUSECTL: { 2575 mouse_info_t *mouse = (mouse_info_t*)data; 2576 2577 /* 2578 * All the commands except MOUSE_SHOW nd MOUSE_HIDE 2579 * should not be applied to individual TTYs, but only to 2580 * consolectl. 2581 */ 2582 switch (mouse->operation) { 2583 case MOUSE_HIDE: 2584 if (vd->vd_flags & VDF_MOUSECURSOR) { 2585 vd->vd_flags &= ~VDF_MOUSECURSOR; 2586 #ifndef SC_NO_CUTPASTE 2587 vt_mouse_state(VT_MOUSE_HIDE); 2588 #endif 2589 } 2590 return (0); 2591 case MOUSE_SHOW: 2592 if (!(vd->vd_flags & VDF_MOUSECURSOR)) { 2593 vd->vd_flags |= VDF_MOUSECURSOR; 2594 vd->vd_mx = vd->vd_width / 2; 2595 vd->vd_my = vd->vd_height / 2; 2596 #ifndef SC_NO_CUTPASTE 2597 vt_mouse_state(VT_MOUSE_SHOW); 2598 #endif 2599 } 2600 return (0); 2601 default: 2602 return (EINVAL); 2603 } 2604 } 2605 case PIO_VFONT: { 2606 struct vt_font *vf; 2607 2608 if (vd->vd_flags & VDF_TEXTMODE) 2609 return (ENOTSUP); 2610 2611 error = vtfont_load((void *)data, &vf); 2612 if (error != 0) 2613 return (error); 2614 2615 error = vt_change_font(vw, vf); 2616 vtfont_unref(vf); 2617 return (error); 2618 } 2619 case PIO_VFONT_DEFAULT: { 2620 /* Reset to default font. */ 2621 error = vt_change_font(vw, vt_font_assigned); 2622 return (error); 2623 } 2624 case GIO_SCRNMAP: { 2625 scrmap_t *sm = (scrmap_t *)data; 2626 2627 /* We don't have screen maps, so return a handcrafted one. */ 2628 for (i = 0; i < 256; i++) 2629 sm->scrmap[i] = i; 2630 return (0); 2631 } 2632 case KDSETMODE: 2633 /* 2634 * FIXME: This implementation is incomplete compared to 2635 * syscons. 2636 */ 2637 switch (*(int *)data) { 2638 case KD_TEXT: 2639 case KD_TEXT1: 2640 case KD_PIXEL: 2641 vw->vw_flags &= ~VWF_GRAPHICS; 2642 break; 2643 case KD_GRAPHICS: 2644 vw->vw_flags |= VWF_GRAPHICS; 2645 break; 2646 } 2647 return (0); 2648 case KDENABIO: /* allow io operations */ 2649 error = priv_check(td, PRIV_IO); 2650 if (error != 0) 2651 return (error); 2652 error = securelevel_gt(td->td_ucred, 0); 2653 if (error != 0) 2654 return (error); 2655 #if defined(__i386__) 2656 td->td_frame->tf_eflags |= PSL_IOPL; 2657 #elif defined(__amd64__) 2658 td->td_frame->tf_rflags |= PSL_IOPL; 2659 #endif 2660 return (0); 2661 case KDDISABIO: /* disallow io operations (default) */ 2662 #if defined(__i386__) 2663 td->td_frame->tf_eflags &= ~PSL_IOPL; 2664 #elif defined(__amd64__) 2665 td->td_frame->tf_rflags &= ~PSL_IOPL; 2666 #endif 2667 return (0); 2668 case KDMKTONE: /* sound the bell */ 2669 vtterm_beep(tm, *(u_int *)data); 2670 return (0); 2671 case KIOCSOUND: /* make tone (*data) hz */ 2672 /* TODO */ 2673 return (0); 2674 case CONS_SETKBD: /* set the new keyboard */ 2675 mtx_lock(&Giant); 2676 error = 0; 2677 if (vd->vd_keyboard == NULL || 2678 vd->vd_keyboard->kb_index != *(int *)data) { 2679 kbd = kbd_get_keyboard(*(int *)data); 2680 if (kbd == NULL) { 2681 mtx_unlock(&Giant); 2682 return (EINVAL); 2683 } 2684 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, 2685 (void *)vd, vt_kbdevent, vd); 2686 if (i >= 0) { 2687 if ((kbd = vd->vd_keyboard) != NULL) { 2688 vt_save_kbd_state(vd->vd_curwindow, kbd); 2689 kbd_release(kbd, (void *)vd); 2690 } 2691 kbd = vd->vd_keyboard = kbd_get_keyboard(i); 2692 2693 vt_update_kbd_mode(vd->vd_curwindow, kbd); 2694 vt_update_kbd_state(vd->vd_curwindow, kbd); 2695 } else { 2696 error = EPERM; /* XXX */ 2697 } 2698 } 2699 mtx_unlock(&Giant); 2700 return (error); 2701 case CONS_RELKBD: /* release the current keyboard */ 2702 mtx_lock(&Giant); 2703 error = 0; 2704 if ((kbd = vd->vd_keyboard) != NULL) { 2705 vt_save_kbd_state(vd->vd_curwindow, kbd); 2706 error = kbd_release(kbd, (void *)vd); 2707 if (error == 0) { 2708 vd->vd_keyboard = NULL; 2709 } 2710 } 2711 mtx_unlock(&Giant); 2712 return (error); 2713 case VT_ACTIVATE: { 2714 int win; 2715 win = *(int *)data - 1; 2716 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME, 2717 VT_UNIT(vw), win); 2718 if ((win >= VT_MAXWINDOWS) || (win < 0)) 2719 return (EINVAL); 2720 return (vt_proc_window_switch(vd->vd_windows[win])); 2721 } 2722 case VT_GETACTIVE: 2723 *(int *)data = vd->vd_curwindow->vw_number + 1; 2724 return (0); 2725 case VT_GETINDEX: 2726 *(int *)data = vw->vw_number + 1; 2727 return (0); 2728 case VT_LOCKSWITCH: 2729 /* TODO: Check current state, switching can be in progress. */ 2730 if ((*(int *)data) == 0x01) 2731 vw->vw_flags |= VWF_VTYLOCK; 2732 else if ((*(int *)data) == 0x02) 2733 vw->vw_flags &= ~VWF_VTYLOCK; 2734 else 2735 return (EINVAL); 2736 return (0); 2737 case VT_OPENQRY: 2738 VT_LOCK(vd); 2739 for (i = 0; i < VT_MAXWINDOWS; i++) { 2740 vw = vd->vd_windows[i]; 2741 if (vw == NULL) 2742 continue; 2743 if (!(vw->vw_flags & VWF_OPENED)) { 2744 *(int *)data = vw->vw_number + 1; 2745 VT_UNLOCK(vd); 2746 return (0); 2747 } 2748 } 2749 VT_UNLOCK(vd); 2750 return (EINVAL); 2751 case VT_WAITACTIVE: { 2752 unsigned int idx; 2753 2754 error = 0; 2755 2756 idx = *(unsigned int *)data; 2757 if (idx > VT_MAXWINDOWS) 2758 return (EINVAL); 2759 if (idx > 0) 2760 vw = vd->vd_windows[idx - 1]; 2761 2762 VT_LOCK(vd); 2763 while (vd->vd_curwindow != vw && error == 0) 2764 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2765 VT_UNLOCK(vd); 2766 return (error); 2767 } 2768 case VT_SETMODE: { /* set screen switcher mode */ 2769 struct vt_mode *mode; 2770 struct proc *p1; 2771 2772 mode = (struct vt_mode *)data; 2773 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw)); 2774 if (vw->vw_smode.mode == VT_PROCESS) { 2775 p1 = pfind(vw->vw_pid); 2776 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) { 2777 if (p1) 2778 PROC_UNLOCK(p1); 2779 DPRINTF(5, "error EPERM\n"); 2780 return (EPERM); 2781 } 2782 if (p1) 2783 PROC_UNLOCK(p1); 2784 } 2785 if (mode->mode == VT_AUTO) { 2786 vw->vw_smode.mode = VT_AUTO; 2787 vw->vw_proc = NULL; 2788 vw->vw_pid = 0; 2789 DPRINTF(5, "VT_AUTO, "); 2790 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2791 cnavailable(vw->vw_terminal->consdev, TRUE); 2792 /* were we in the middle of the vty switching process? */ 2793 if (finish_vt_rel(vw, TRUE, &s) == 0) 2794 DPRINTF(5, "reset WAIT_REL, "); 2795 if (finish_vt_acq(vw) == 0) 2796 DPRINTF(5, "reset WAIT_ACQ, "); 2797 return (0); 2798 } else if (mode->mode == VT_PROCESS) { 2799 if (!ISSIGVALID(mode->relsig) || 2800 !ISSIGVALID(mode->acqsig) || 2801 !ISSIGVALID(mode->frsig)) { 2802 DPRINTF(5, "error EINVAL\n"); 2803 return (EINVAL); 2804 } 2805 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid); 2806 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode)); 2807 vw->vw_proc = td->td_proc; 2808 vw->vw_pid = vw->vw_proc->p_pid; 2809 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2810 cnavailable(vw->vw_terminal->consdev, FALSE); 2811 } else { 2812 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n", 2813 mode->mode); 2814 return (EINVAL); 2815 } 2816 DPRINTF(5, "\n"); 2817 return (0); 2818 } 2819 case VT_GETMODE: /* get screen switcher mode */ 2820 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode)); 2821 return (0); 2822 2823 case VT_RELDISP: /* screen switcher ioctl */ 2824 /* 2825 * This must be the current vty which is in the VT_PROCESS 2826 * switching mode... 2827 */ 2828 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode != 2829 VT_PROCESS)) { 2830 return (EINVAL); 2831 } 2832 /* ...and this process is controlling it. */ 2833 if (vw->vw_proc != td->td_proc) { 2834 return (EPERM); 2835 } 2836 error = EINVAL; 2837 switch(*(int *)data) { 2838 case VT_FALSE: /* user refuses to release screen, abort */ 2839 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0) 2840 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n", 2841 SC_DRIVER_NAME, VT_UNIT(vw)); 2842 break; 2843 case VT_TRUE: /* user has released screen, go on */ 2844 /* finish_vt_rel(..., TRUE, ...) should not be locked */ 2845 if (vw->vw_flags & VWF_SWWAIT_REL) { 2846 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0) 2847 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n", 2848 SC_DRIVER_NAME, VT_UNIT(vw)); 2849 } else { 2850 error = EINVAL; 2851 } 2852 return (error); 2853 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 2854 if ((error = finish_vt_acq(vw)) == 0) 2855 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n", 2856 SC_DRIVER_NAME, VT_UNIT(vw)); 2857 break; 2858 default: 2859 break; 2860 } 2861 return (error); 2862 } 2863 2864 return (ENOIOCTL); 2865 } 2866 2867 static struct vt_window * 2868 vt_allocate_window(struct vt_device *vd, unsigned int window) 2869 { 2870 struct vt_window *vw; 2871 struct terminal *tm; 2872 term_pos_t size; 2873 struct winsize wsz; 2874 2875 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO); 2876 vw->vw_device = vd; 2877 vw->vw_number = window; 2878 vw->vw_kbdmode = K_XLATE; 2879 2880 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 2881 vw->vw_font = vtfont_ref(vt_font_assigned); 2882 vt_compute_drawable_area(vw); 2883 } 2884 2885 vt_termsize(vd, vw->vw_font, &size); 2886 vt_winsize(vd, vw->vw_font, &wsz); 2887 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw); 2888 vw->vw_buf.vb_terminal = tm; /* must be set before vtbuf_init() */ 2889 vtbuf_init(&vw->vw_buf, &size); 2890 2891 terminal_set_winsize(tm, &wsz); 2892 vd->vd_windows[window] = vw; 2893 callout_init(&vw->vw_proc_dead_timer, 0); 2894 2895 return (vw); 2896 } 2897 2898 void 2899 vt_upgrade(struct vt_device *vd) 2900 { 2901 struct vt_window *vw; 2902 unsigned int i; 2903 int register_handlers; 2904 2905 if (!vty_enabled(VTY_VT)) 2906 return; 2907 if (main_vd->vd_driver == NULL) 2908 return; 2909 2910 for (i = 0; i < VT_MAXWINDOWS; i++) { 2911 vw = vd->vd_windows[i]; 2912 if (vw == NULL) { 2913 /* New window. */ 2914 vw = vt_allocate_window(vd, i); 2915 } 2916 if (!(vw->vw_flags & VWF_READY)) { 2917 callout_init(&vw->vw_proc_dead_timer, 0); 2918 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw)); 2919 vw->vw_flags |= VWF_READY; 2920 if (vw->vw_flags & VWF_CONSOLE) { 2921 /* For existing console window. */ 2922 EVENTHANDLER_REGISTER(shutdown_pre_sync, 2923 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT); 2924 } 2925 } 2926 } 2927 VT_LOCK(vd); 2928 if (vd->vd_curwindow == NULL) 2929 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW]; 2930 2931 register_handlers = 0; 2932 if (!(vd->vd_flags & VDF_ASYNC)) { 2933 /* Attach keyboard. */ 2934 vt_allocate_keyboard(vd); 2935 2936 /* Init 25 Hz timer. */ 2937 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0); 2938 2939 /* 2940 * Start timer when everything ready. 2941 * Note that the operations here are purposefully ordered. 2942 * We need to ensure vd_timer_armed is non-zero before we set 2943 * the VDF_ASYNC flag. That prevents this function from 2944 * racing with vt_resume_flush_timer() to update the 2945 * callout structure. 2946 */ 2947 atomic_add_acq_int(&vd->vd_timer_armed, 1); 2948 vd->vd_flags |= VDF_ASYNC; 2949 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd); 2950 register_handlers = 1; 2951 } 2952 2953 VT_UNLOCK(vd); 2954 2955 /* Refill settings with new sizes. */ 2956 vt_resize(vd); 2957 2958 if (register_handlers) { 2959 /* Register suspend/resume handlers. */ 2960 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler, 2961 vd, EVENTHANDLER_PRI_ANY); 2962 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd, 2963 EVENTHANDLER_PRI_ANY); 2964 } 2965 } 2966 2967 static void 2968 vt_resize(struct vt_device *vd) 2969 { 2970 struct vt_window *vw; 2971 int i; 2972 2973 for (i = 0; i < VT_MAXWINDOWS; i++) { 2974 vw = vd->vd_windows[i]; 2975 VT_LOCK(vd); 2976 /* Assign default font to window, if not textmode. */ 2977 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL) 2978 vw->vw_font = vtfont_ref(vt_font_assigned); 2979 VT_UNLOCK(vd); 2980 2981 /* Resize terminal windows */ 2982 while (vt_change_font(vw, vw->vw_font) == EBUSY) { 2983 DPRINTF(100, "%s: vt_change_font() is busy, " 2984 "window %d\n", __func__, i); 2985 } 2986 } 2987 } 2988 2989 static void 2990 vt_replace_backend(const struct vt_driver *drv, void *softc) 2991 { 2992 struct vt_device *vd; 2993 2994 vd = main_vd; 2995 2996 if (vd->vd_flags & VDF_ASYNC) { 2997 /* Stop vt_flush periodic task. */ 2998 VT_LOCK(vd); 2999 vt_suspend_flush_timer(vd); 3000 VT_UNLOCK(vd); 3001 /* 3002 * Mute current terminal until we done. vt_change_font (called 3003 * from vt_resize) will unmute it. 3004 */ 3005 terminal_mute(vd->vd_curwindow->vw_terminal, 1); 3006 } 3007 3008 /* 3009 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will 3010 * set it. 3011 */ 3012 VT_LOCK(vd); 3013 vd->vd_flags &= ~VDF_TEXTMODE; 3014 3015 if (drv != NULL) { 3016 /* 3017 * We want to upgrade from the current driver to the 3018 * given driver. 3019 */ 3020 3021 vd->vd_prev_driver = vd->vd_driver; 3022 vd->vd_prev_softc = vd->vd_softc; 3023 vd->vd_driver = drv; 3024 vd->vd_softc = softc; 3025 3026 vd->vd_driver->vd_init(vd); 3027 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) { 3028 /* 3029 * No driver given: we want to downgrade to the previous 3030 * driver. 3031 */ 3032 const struct vt_driver *old_drv; 3033 void *old_softc; 3034 3035 old_drv = vd->vd_driver; 3036 old_softc = vd->vd_softc; 3037 3038 vd->vd_driver = vd->vd_prev_driver; 3039 vd->vd_softc = vd->vd_prev_softc; 3040 vd->vd_prev_driver = NULL; 3041 vd->vd_prev_softc = NULL; 3042 3043 vd->vd_flags |= VDF_DOWNGRADE; 3044 3045 vd->vd_driver->vd_init(vd); 3046 3047 if (old_drv->vd_fini) 3048 old_drv->vd_fini(vd, old_softc); 3049 3050 vd->vd_flags &= ~VDF_DOWNGRADE; 3051 } 3052 3053 VT_UNLOCK(vd); 3054 3055 /* Update windows sizes and initialize last items. */ 3056 vt_upgrade(vd); 3057 3058 #ifdef DEV_SPLASH 3059 if (vd->vd_flags & VDF_SPLASH) 3060 vtterm_splash(vd); 3061 #endif 3062 3063 if (vd->vd_flags & VDF_ASYNC) { 3064 /* Allow to put chars now. */ 3065 terminal_mute(vd->vd_curwindow->vw_terminal, 0); 3066 /* Rerun timer for screen updates. */ 3067 vt_resume_flush_timer(vd->vd_curwindow, 0); 3068 } 3069 3070 /* 3071 * Register as console. If it already registered, cnadd() will ignore 3072 * it. 3073 */ 3074 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal); 3075 } 3076 3077 static void 3078 vt_suspend_handler(void *priv) 3079 { 3080 struct vt_device *vd; 3081 3082 vd = priv; 3083 vd->vd_flags |= VDF_SUSPENDED; 3084 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL) 3085 vd->vd_driver->vd_suspend(vd); 3086 } 3087 3088 static void 3089 vt_resume_handler(void *priv) 3090 { 3091 struct vt_device *vd; 3092 3093 vd = priv; 3094 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL) 3095 vd->vd_driver->vd_resume(vd); 3096 vd->vd_flags &= ~VDF_SUSPENDED; 3097 } 3098 3099 void 3100 vt_allocate(const struct vt_driver *drv, void *softc) 3101 { 3102 3103 if (!vty_enabled(VTY_VT)) 3104 return; 3105 3106 if (main_vd->vd_driver == NULL) { 3107 main_vd->vd_driver = drv; 3108 printf("VT: initialize with new VT driver \"%s\".\n", 3109 drv->vd_name); 3110 } else { 3111 /* 3112 * Check if have rights to replace current driver. For example: 3113 * it is bad idea to replace KMS driver with generic VGA one. 3114 */ 3115 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) { 3116 printf("VT: Driver priority %d too low. Current %d\n ", 3117 drv->vd_priority, main_vd->vd_driver->vd_priority); 3118 return; 3119 } 3120 printf("VT: Replacing driver \"%s\" with new \"%s\".\n", 3121 main_vd->vd_driver->vd_name, drv->vd_name); 3122 } 3123 3124 vt_replace_backend(drv, softc); 3125 } 3126 3127 void 3128 vt_deallocate(const struct vt_driver *drv, void *softc) 3129 { 3130 3131 if (!vty_enabled(VTY_VT)) 3132 return; 3133 3134 if (main_vd->vd_prev_driver == NULL || 3135 main_vd->vd_driver != drv || 3136 main_vd->vd_softc != softc) 3137 return; 3138 3139 printf("VT: Switching back from \"%s\" to \"%s\".\n", 3140 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name); 3141 3142 vt_replace_backend(NULL, NULL); 3143 } 3144 3145 void 3146 vt_suspend(struct vt_device *vd) 3147 { 3148 int error; 3149 3150 if (vt_suspendswitch == 0) 3151 return; 3152 /* Save current window. */ 3153 vd->vd_savedwindow = vd->vd_curwindow; 3154 /* Ask holding process to free window and switch to console window */ 3155 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]); 3156 3157 /* Wait for the window switch to complete. */ 3158 error = 0; 3159 VT_LOCK(vd); 3160 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0) 3161 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 3162 VT_UNLOCK(vd); 3163 } 3164 3165 void 3166 vt_resume(struct vt_device *vd) 3167 { 3168 3169 if (vt_suspendswitch == 0) 3170 return; 3171 /* Switch back to saved window, if any */ 3172 vt_proc_window_switch(vd->vd_savedwindow); 3173 vd->vd_savedwindow = NULL; 3174 } 3175