1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 #include <sys/param.h> 36 #include <sys/consio.h> 37 #include <sys/devctl.h> 38 #include <sys/eventhandler.h> 39 #include <sys/fbio.h> 40 #include <sys/font.h> 41 #include <sys/kbio.h> 42 #include <sys/kdb.h> 43 #include <sys/kernel.h> 44 #include <sys/linker.h> 45 #include <sys/lock.h> 46 #include <sys/malloc.h> 47 #include <sys/mutex.h> 48 #include <sys/power.h> 49 #include <sys/priv.h> 50 #include <sys/proc.h> 51 #include <sys/random.h> 52 #include <sys/reboot.h> 53 #include <sys/sbuf.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 static 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 (SBT_1S / 20) 122 #define VT_BELLPITCH (1193182 / 800) /* Approx 1491Hz */ 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, 0, "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 static 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 .vw_bell_pitch = VT_BELLPITCH, 261 .vw_bell_duration = VT_BELLDURATION, 262 }; 263 264 /* Add to set of consoles. */ 265 TERMINAL_DECLARE_EARLY(vt_consterm, vt_termclass, &vt_conswindow); 266 267 /* 268 * Right after kmem is done to allow early drivers to use locking and allocate 269 * memory. 270 */ 271 SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static, 272 &vt_consdev); 273 /* Delay until all devices attached, to not waste time. */ 274 SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade, 275 &vt_consdev); 276 277 /* Initialize locks/mem depended members. */ 278 static void 279 vt_update_static(void *dummy) 280 { 281 282 if (!vty_enabled(VTY_VT)) 283 return; 284 if (main_vd->vd_driver != NULL) 285 printf("VT(%s): %s %ux%u\n", main_vd->vd_driver->vd_name, 286 (main_vd->vd_flags & VDF_TEXTMODE) ? "text" : "resolution", 287 main_vd->vd_width, main_vd->vd_height); 288 else 289 printf("VT: init without driver.\n"); 290 291 mtx_init(&main_vd->vd_lock, "vtdev", NULL, MTX_DEF); 292 cv_init(&main_vd->vd_winswitch, "vtwswt"); 293 } 294 295 static void 296 vt_schedule_flush(struct vt_device *vd, int ms) 297 { 298 299 if (ms <= 0) 300 /* Default to initial value. */ 301 ms = 1000 / VT_TIMERFREQ; 302 303 callout_schedule(&vd->vd_timer, hz / (1000 / ms)); 304 } 305 306 void 307 vt_resume_flush_timer(struct vt_window *vw, int ms) 308 { 309 struct vt_device *vd = vw->vw_device; 310 311 if (vd->vd_curwindow != vw) 312 return; 313 314 if (!(vd->vd_flags & VDF_ASYNC) || 315 !atomic_cmpset_int(&vd->vd_timer_armed, 0, 1)) 316 return; 317 318 vt_schedule_flush(vd, ms); 319 } 320 321 static void 322 vt_suspend_flush_timer(struct vt_device *vd) 323 { 324 /* 325 * As long as this function is called locked, callout_stop() 326 * has the same effect like callout_drain() with regard to 327 * preventing the callback function from executing. 328 */ 329 VT_LOCK_ASSERT(vd, MA_OWNED); 330 331 if (!(vd->vd_flags & VDF_ASYNC) || 332 !atomic_cmpset_int(&vd->vd_timer_armed, 1, 0)) 333 return; 334 335 callout_stop(&vd->vd_timer); 336 } 337 338 static void 339 vt_switch_timer(void *arg, int pending) 340 { 341 342 (void)vt_late_window_switch((struct vt_window *)arg); 343 } 344 345 static int 346 vt_save_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 347 { 348 int mode, ret; 349 350 mode = 0; 351 ret = kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode); 352 if (ret == ENOIOCTL) 353 ret = ENODEV; 354 if (ret != 0) 355 return (ret); 356 357 vw->vw_kbdmode = mode; 358 359 return (0); 360 } 361 362 static int 363 vt_update_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 364 { 365 int ret; 366 367 ret = kbdd_ioctl(kbd, KDSKBMODE, (caddr_t)&vw->vw_kbdmode); 368 if (ret == ENOIOCTL) 369 ret = ENODEV; 370 371 return (ret); 372 } 373 374 static int 375 vt_save_kbd_state(struct vt_window *vw, keyboard_t *kbd) 376 { 377 int state, ret; 378 379 state = 0; 380 ret = kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state); 381 if (ret == ENOIOCTL) 382 ret = ENODEV; 383 if (ret != 0) 384 return (ret); 385 386 vw->vw_kbdstate &= ~LOCK_MASK; 387 vw->vw_kbdstate |= state & LOCK_MASK; 388 389 return (0); 390 } 391 392 static int 393 vt_update_kbd_state(struct vt_window *vw, keyboard_t *kbd) 394 { 395 int state, ret; 396 397 state = vw->vw_kbdstate & LOCK_MASK; 398 ret = kbdd_ioctl(kbd, KDSKBSTATE, (caddr_t)&state); 399 if (ret == ENOIOCTL) 400 ret = ENODEV; 401 402 return (ret); 403 } 404 405 static int 406 vt_save_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 407 { 408 int leds, ret; 409 410 leds = 0; 411 ret = kbdd_ioctl(kbd, KDGETLED, (caddr_t)&leds); 412 if (ret == ENOIOCTL) 413 ret = ENODEV; 414 if (ret != 0) 415 return (ret); 416 417 vw->vw_kbdstate &= ~LED_MASK; 418 vw->vw_kbdstate |= leds & LED_MASK; 419 420 return (0); 421 } 422 423 static int 424 vt_update_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 425 { 426 int leds, ret; 427 428 leds = vw->vw_kbdstate & LED_MASK; 429 ret = kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 430 if (ret == ENOIOCTL) 431 ret = ENODEV; 432 433 return (ret); 434 } 435 436 static int 437 vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw) 438 { 439 440 DPRINTF(40, "%s\n", __func__); 441 curvw->vw_switch_to = vw; 442 /* Set timer to allow switch in case when process hang. */ 443 taskqueue_enqueue_timeout(taskqueue_thread, &vw->vw_timeout_task_dead, hz * vt_deadtimer); 444 /* Notify process about vt switch attempt. */ 445 DPRINTF(30, "%s: Notify process.\n", __func__); 446 signal_vt_rel(curvw); 447 448 return (0); 449 } 450 451 static int 452 vt_window_postswitch(struct vt_window *vw) 453 { 454 455 signal_vt_acq(vw); 456 return (0); 457 } 458 459 /* vt_late_window_switch will do VT switching for regular case. */ 460 static int 461 vt_late_window_switch(struct vt_window *vw) 462 { 463 struct vt_window *curvw; 464 int ret; 465 466 taskqueue_cancel_timeout(taskqueue_thread, &vw->vw_timeout_task_dead, NULL); 467 468 ret = vt_window_switch(vw); 469 if (ret != 0) { 470 /* 471 * If the switch hasn't happened, then return the VT 472 * to the current owner, if any. 473 */ 474 curvw = vw->vw_device->vd_curwindow; 475 if (curvw->vw_smode.mode == VT_PROCESS) 476 (void)vt_window_postswitch(curvw); 477 return (ret); 478 } 479 480 /* Notify owner process about terminal availability. */ 481 if (vw->vw_smode.mode == VT_PROCESS) { 482 ret = vt_window_postswitch(vw); 483 } 484 return (ret); 485 } 486 487 /* Switch window. */ 488 static int 489 vt_proc_window_switch(struct vt_window *vw) 490 { 491 struct vt_window *curvw; 492 struct vt_device *vd; 493 int ret; 494 495 /* Prevent switching to NULL */ 496 if (vw == NULL) { 497 DPRINTF(30, "%s: Cannot switch: vw is NULL.", __func__); 498 return (EINVAL); 499 } 500 vd = vw->vw_device; 501 curvw = vd->vd_curwindow; 502 503 /* Check if virtual terminal is locked */ 504 if (curvw->vw_flags & VWF_VTYLOCK) 505 return (EBUSY); 506 507 /* Check if switch already in progress */ 508 if (curvw->vw_flags & VWF_SWWAIT_REL) { 509 /* Check if switching to same window */ 510 if (curvw->vw_switch_to == vw) { 511 DPRINTF(30, "%s: Switch in progress to same vw.", __func__); 512 return (0); /* success */ 513 } 514 DPRINTF(30, "%s: Switch in progress to different vw.", __func__); 515 return (EBUSY); 516 } 517 518 /* Avoid switching to already selected window */ 519 if (vw == curvw) { 520 DPRINTF(30, "%s: Cannot switch: vw == curvw.", __func__); 521 return (0); /* success */ 522 } 523 524 /* 525 * Early check for an attempt to switch to a non-functional VT. 526 * The same check is done in vt_window_switch(), but it's better 527 * to fail as early as possible to avoid needless pre-switch 528 * actions. 529 */ 530 VT_LOCK(vd); 531 if ((vw->vw_flags & (VWF_OPENED|VWF_CONSOLE)) == 0) { 532 VT_UNLOCK(vd); 533 return (EINVAL); 534 } 535 VT_UNLOCK(vd); 536 537 /* Ask current process permission to switch away. */ 538 if (curvw->vw_smode.mode == VT_PROCESS) { 539 DPRINTF(30, "%s: VT_PROCESS ", __func__); 540 if (vt_proc_alive(curvw) == FALSE) { 541 DPRINTF(30, "Dead. Cleaning."); 542 /* Dead */ 543 } else { 544 DPRINTF(30, "%s: Signaling process.\n", __func__); 545 /* Alive, try to ask him. */ 546 ret = vt_window_preswitch(vw, curvw); 547 /* Wait for process answer or timeout. */ 548 return (ret); 549 } 550 DPRINTF(30, "\n"); 551 } 552 553 ret = vt_late_window_switch(vw); 554 return (ret); 555 } 556 557 /* Switch window ignoring process locking. */ 558 static int 559 vt_window_switch(struct vt_window *vw) 560 { 561 struct vt_device *vd = vw->vw_device; 562 struct vt_window *curvw = vd->vd_curwindow; 563 keyboard_t *kbd; 564 565 if (kdb_active) { 566 /* 567 * When grabbing the console for the debugger, avoid 568 * locks as that can result in deadlock. While this 569 * could use try locks, that wouldn't really make a 570 * difference as there are sufficient barriers in 571 * debugger entry/exit to be equivalent to 572 * successfully try-locking here. 573 */ 574 if (curvw == vw) 575 return (0); 576 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) 577 return (EINVAL); 578 579 vd->vd_curwindow = vw; 580 vd->vd_flags |= VDF_INVALID; 581 if (vd->vd_driver->vd_postswitch) 582 vd->vd_driver->vd_postswitch(vd); 583 return (0); 584 } 585 586 VT_LOCK(vd); 587 if (curvw == vw) { 588 /* 589 * Nothing to do, except ensure the driver has the opportunity to 590 * switch to console mode when panicking, making sure the panic 591 * is readable (even when a GUI was using ttyv0). 592 */ 593 if ((kdb_active || KERNEL_PANICKED()) && 594 vd->vd_driver->vd_postswitch) 595 vd->vd_driver->vd_postswitch(vd); 596 VT_UNLOCK(vd); 597 return (0); 598 } 599 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) { 600 VT_UNLOCK(vd); 601 return (EINVAL); 602 } 603 604 vt_suspend_flush_timer(vd); 605 606 vd->vd_curwindow = vw; 607 vd->vd_flags |= VDF_INVALID; 608 cv_broadcast(&vd->vd_winswitch); 609 VT_UNLOCK(vd); 610 611 if (vd->vd_driver->vd_postswitch) 612 vd->vd_driver->vd_postswitch(vd); 613 614 vt_resume_flush_timer(vw, 0); 615 616 /* Restore per-window keyboard mode. */ 617 mtx_lock(&Giant); 618 if ((kbd = vd->vd_keyboard) != NULL) { 619 if (curvw->vw_kbdmode == K_XLATE) 620 vt_save_kbd_state(curvw, kbd); 621 622 vt_update_kbd_mode(vw, kbd); 623 vt_update_kbd_state(vw, kbd); 624 } 625 mtx_unlock(&Giant); 626 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number); 627 628 return (0); 629 } 630 631 void 632 vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size) 633 { 634 635 size->tp_row = vd->vd_height; 636 if (vt_draw_logo_cpus) 637 size->tp_row -= vt_logo_sprite_height; 638 size->tp_col = vd->vd_width; 639 if (vf != NULL) { 640 size->tp_row = MIN(size->tp_row / vf->vf_height, 641 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 642 size->tp_col = MIN(size->tp_col / vf->vf_width, 643 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 644 } 645 } 646 647 static inline void 648 vt_termrect(struct vt_device *vd, struct vt_font *vf, term_rect_t *rect) 649 { 650 651 rect->tr_begin.tp_row = rect->tr_begin.tp_col = 0; 652 if (vt_draw_logo_cpus) 653 rect->tr_begin.tp_row = vt_logo_sprite_height; 654 655 rect->tr_end.tp_row = vd->vd_height; 656 rect->tr_end.tp_col = vd->vd_width; 657 658 if (vf != NULL) { 659 rect->tr_begin.tp_row = 660 howmany(rect->tr_begin.tp_row, vf->vf_height); 661 662 rect->tr_end.tp_row = MIN(rect->tr_end.tp_row / vf->vf_height, 663 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 664 rect->tr_end.tp_col = MIN(rect->tr_end.tp_col / vf->vf_width, 665 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 666 } 667 } 668 669 void 670 vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size) 671 { 672 673 size->ws_ypixel = vd->vd_height; 674 if (vt_draw_logo_cpus) 675 size->ws_ypixel -= vt_logo_sprite_height; 676 size->ws_row = size->ws_ypixel; 677 size->ws_col = size->ws_xpixel = vd->vd_width; 678 if (vf != NULL) { 679 size->ws_row = MIN(size->ws_row / vf->vf_height, 680 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 681 size->ws_col = MIN(size->ws_col / vf->vf_width, 682 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 683 } 684 } 685 686 void 687 vt_compute_drawable_area(struct vt_window *vw) 688 { 689 struct vt_device *vd; 690 struct vt_font *vf; 691 vt_axis_t height; 692 693 vd = vw->vw_device; 694 695 if (vw->vw_font == NULL) { 696 vw->vw_draw_area.tr_begin.tp_col = 0; 697 vw->vw_draw_area.tr_begin.tp_row = 0; 698 if (vt_draw_logo_cpus) 699 vw->vw_draw_area.tr_begin.tp_row = vt_logo_sprite_height; 700 vw->vw_draw_area.tr_end.tp_col = vd->vd_width; 701 vw->vw_draw_area.tr_end.tp_row = vd->vd_height; 702 return; 703 } 704 705 vf = vw->vw_font; 706 707 /* 708 * Compute the drawable area, so that the text is centered on 709 * the screen. 710 */ 711 712 height = vd->vd_height; 713 if (vt_draw_logo_cpus) 714 height -= vt_logo_sprite_height; 715 vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2; 716 vw->vw_draw_area.tr_begin.tp_row = (height % vf->vf_height) / 2; 717 if (vt_draw_logo_cpus) 718 vw->vw_draw_area.tr_begin.tp_row += vt_logo_sprite_height; 719 vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col + 720 rounddown(vd->vd_width, vf->vf_width); 721 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row + 722 rounddown(height, vf->vf_height); 723 } 724 725 static void 726 vt_scroll(struct vt_window *vw, int offset, int whence) 727 { 728 int diff; 729 term_pos_t size; 730 731 if ((vw->vw_flags & VWF_SCROLL) == 0) 732 return; 733 734 vt_termsize(vw->vw_device, vw->vw_font, &size); 735 736 diff = vthistory_seek(&vw->vw_buf, offset, whence); 737 if (diff) 738 vw->vw_device->vd_flags |= VDF_INVALID; 739 vt_resume_flush_timer(vw, 0); 740 } 741 742 static int 743 vt_machine_kbdevent(struct vt_device *vd, int c) 744 { 745 746 switch (c) { 747 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */ 748 if (vt_kbd_debug) { 749 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger"); 750 #if VT_ALT_TO_ESC_HACK 751 /* 752 * There's an unfortunate conflict between SPCLKEY|DBG 753 * and VT_ALT_TO_ESC_HACK. Just assume they didn't mean 754 * it if we got to here. 755 */ 756 vd->vd_kbstate &= ~ALKED; 757 #endif 758 } 759 return (1); 760 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */ 761 if (vt_kbd_halt) 762 shutdown_nice(RB_HALT); 763 return (1); 764 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */ 765 #ifndef SC_NO_CUTPASTE 766 /* Insert text from cut-paste buffer. */ 767 vt_mouse_paste(); 768 #endif 769 break; 770 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */ 771 if (vt_kbd_poweroff) 772 shutdown_nice(RB_HALT|RB_POWEROFF); 773 return (1); 774 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */ 775 /* 776 * Request to immediate panic if sysctl 777 * kern.vt.enable_panic_key allow it. 778 */ 779 if (vt_kbd_panic) 780 panic("Forced by the panic key"); 781 return (1); 782 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */ 783 if (vt_kbd_reboot) 784 shutdown_nice(RB_AUTOBOOT); 785 return (1); 786 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */ 787 /* Force activatation/deactivation of the screen saver. */ 788 /* TODO */ 789 return (1); 790 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */ 791 /* Put machine into Stand-By mode. */ 792 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 793 return (1); 794 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */ 795 /* Suspend machine. */ 796 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 797 return (1); 798 } 799 800 return (0); 801 } 802 803 static void 804 vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console) 805 { 806 struct vt_device *vd; 807 term_pos_t size; 808 809 vd = vw->vw_device; 810 /* Only special keys handled in ScrollLock mode */ 811 if ((c & SPCLKEY) == 0) 812 return; 813 814 c &= ~SPCLKEY; 815 816 if (console == 0) { 817 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 818 vw = vd->vd_windows[c - F_SCR]; 819 vt_proc_window_switch(vw); 820 return; 821 } 822 VT_LOCK(vd); 823 } 824 825 switch (c) { 826 case SLK: { 827 /* Turn scrolling off. */ 828 vt_scroll(vw, 0, VHS_END); 829 VTBUF_SLCK_DISABLE(&vw->vw_buf); 830 vw->vw_flags &= ~VWF_SCROLL; 831 break; 832 } 833 case FKEY | F(49): /* Home key. */ 834 vt_scroll(vw, 0, VHS_SET); 835 break; 836 case FKEY | F(50): /* Arrow up. */ 837 vt_scroll(vw, -1, VHS_CUR); 838 break; 839 case FKEY | F(51): /* Page up. */ 840 vt_termsize(vd, vw->vw_font, &size); 841 vt_scroll(vw, -size.tp_row, VHS_CUR); 842 break; 843 case FKEY | F(57): /* End key. */ 844 vt_scroll(vw, 0, VHS_END); 845 break; 846 case FKEY | F(58): /* Arrow down. */ 847 vt_scroll(vw, 1, VHS_CUR); 848 break; 849 case FKEY | F(59): /* Page down. */ 850 vt_termsize(vd, vw->vw_font, &size); 851 vt_scroll(vw, size.tp_row, VHS_CUR); 852 break; 853 } 854 855 if (console == 0) 856 VT_UNLOCK(vd); 857 } 858 859 static int 860 vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c) 861 { 862 struct vt_window *vw = vd->vd_curwindow; 863 864 random_harvest_queue(&c, sizeof(c), RANDOM_KEYBOARD); 865 #if VT_ALT_TO_ESC_HACK 866 if (c & RELKEY) { 867 switch (c & ~RELKEY) { 868 case (SPCLKEY | RALT): 869 if (vt_enable_altgr != 0) 870 break; 871 case (SPCLKEY | LALT): 872 vd->vd_kbstate &= ~ALKED; 873 } 874 /* Other keys ignored for RELKEY event. */ 875 return (0); 876 } else { 877 switch (c & ~RELKEY) { 878 case (SPCLKEY | RALT): 879 if (vt_enable_altgr != 0) 880 break; 881 case (SPCLKEY | LALT): 882 vd->vd_kbstate |= ALKED; 883 } 884 } 885 #else 886 if (c & RELKEY) 887 /* Other keys ignored for RELKEY event. */ 888 return (0); 889 #endif 890 891 if (vt_machine_kbdevent(vd, c)) 892 return (0); 893 894 if (vw->vw_flags & VWF_SCROLL) { 895 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */); 896 /* Scroll mode keys handled, nothing to do more. */ 897 return (0); 898 } 899 900 if (c & SPCLKEY) { 901 c &= ~SPCLKEY; 902 903 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 904 vw = vd->vd_windows[c - F_SCR]; 905 vt_proc_window_switch(vw); 906 return (0); 907 } 908 909 switch (c) { 910 case NEXT: 911 /* Switch to next VT. */ 912 c = (vw->vw_number + 1) % VT_MAXWINDOWS; 913 vw = vd->vd_windows[c]; 914 vt_proc_window_switch(vw); 915 return (0); 916 case PREV: 917 /* Switch to previous VT. */ 918 c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS; 919 vw = vd->vd_windows[c]; 920 vt_proc_window_switch(vw); 921 return (0); 922 case SLK: { 923 vt_save_kbd_state(vw, kbd); 924 VT_LOCK(vd); 925 if (vw->vw_kbdstate & SLKED) { 926 /* Turn scrolling on. */ 927 vw->vw_flags |= VWF_SCROLL; 928 VTBUF_SLCK_ENABLE(&vw->vw_buf); 929 } else { 930 /* Turn scrolling off. */ 931 vw->vw_flags &= ~VWF_SCROLL; 932 VTBUF_SLCK_DISABLE(&vw->vw_buf); 933 vt_scroll(vw, 0, VHS_END); 934 } 935 VT_UNLOCK(vd); 936 break; 937 } 938 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3): 939 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6): 940 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9): 941 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12): 942 /* F1 through F12 keys. */ 943 terminal_input_special(vw->vw_terminal, 944 TKEY_F1 + c - (FKEY | F(1))); 945 break; 946 case FKEY | F(49): /* Home key. */ 947 terminal_input_special(vw->vw_terminal, TKEY_HOME); 948 break; 949 case FKEY | F(50): /* Arrow up. */ 950 terminal_input_special(vw->vw_terminal, TKEY_UP); 951 break; 952 case FKEY | F(51): /* Page up. */ 953 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP); 954 break; 955 case FKEY | F(53): /* Arrow left. */ 956 terminal_input_special(vw->vw_terminal, TKEY_LEFT); 957 break; 958 case FKEY | F(55): /* Arrow right. */ 959 terminal_input_special(vw->vw_terminal, TKEY_RIGHT); 960 break; 961 case FKEY | F(57): /* End key. */ 962 terminal_input_special(vw->vw_terminal, TKEY_END); 963 break; 964 case FKEY | F(58): /* Arrow down. */ 965 terminal_input_special(vw->vw_terminal, TKEY_DOWN); 966 break; 967 case FKEY | F(59): /* Page down. */ 968 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN); 969 break; 970 case FKEY | F(60): /* Insert key. */ 971 terminal_input_special(vw->vw_terminal, TKEY_INSERT); 972 break; 973 case FKEY | F(61): /* Delete key. */ 974 terminal_input_special(vw->vw_terminal, TKEY_DELETE); 975 break; 976 } 977 } else if (KEYFLAGS(c) == 0) { 978 /* Don't do UTF-8 conversion when doing raw mode. */ 979 if (vw->vw_kbdmode == K_XLATE) { 980 #if VT_ALT_TO_ESC_HACK 981 if (vd->vd_kbstate & ALKED) { 982 /* 983 * Prepend ESC sequence if one of ALT keys down. 984 */ 985 terminal_input_char(vw->vw_terminal, 0x1b); 986 } 987 #endif 988 #if defined(KDB) 989 kdb_alt_break(c, &vd->vd_altbrk); 990 #endif 991 terminal_input_char(vw->vw_terminal, KEYCHAR(c)); 992 } else 993 terminal_input_raw(vw->vw_terminal, c); 994 } 995 return (0); 996 } 997 998 static int 999 vt_kbdevent(keyboard_t *kbd, int event, void *arg) 1000 { 1001 struct vt_device *vd = arg; 1002 int c; 1003 1004 switch (event) { 1005 case KBDIO_KEYINPUT: 1006 break; 1007 case KBDIO_UNLOADING: 1008 mtx_lock(&Giant); 1009 vd->vd_keyboard = NULL; 1010 kbd_release(kbd, (void *)vd); 1011 mtx_unlock(&Giant); 1012 return (0); 1013 default: 1014 return (EINVAL); 1015 } 1016 1017 while ((c = kbdd_read_char(kbd, 0)) != NOKEY) 1018 vt_processkey(kbd, vd, c); 1019 1020 return (0); 1021 } 1022 1023 static int 1024 vt_allocate_keyboard(struct vt_device *vd) 1025 { 1026 int grabbed, i, idx0, idx; 1027 keyboard_t *k0, *k; 1028 keyboard_info_t ki; 1029 1030 /* 1031 * If vt_upgrade() happens while the console is grabbed, we are 1032 * potentially going to switch keyboard devices while the keyboard is in 1033 * use. Unwind the grabbing of the current keyboard first, then we will 1034 * re-grab the new keyboard below, before we return. 1035 */ 1036 if (vd->vd_curwindow == &vt_conswindow) { 1037 grabbed = vd->vd_curwindow->vw_grabbed; 1038 for (i = 0; i < grabbed; ++i) 1039 vtterm_cnungrab_noswitch(vd, vd->vd_curwindow); 1040 } 1041 1042 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd); 1043 if (idx0 >= 0) { 1044 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0); 1045 k0 = kbd_get_keyboard(idx0); 1046 1047 for (idx = kbd_find_keyboard2("*", -1, 0); 1048 idx != -1; 1049 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 1050 k = kbd_get_keyboard(idx); 1051 1052 if (idx == idx0 || KBD_IS_BUSY(k)) 1053 continue; 1054 1055 bzero(&ki, sizeof(ki)); 1056 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name)); 1057 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0'; 1058 ki.kb_unit = k->kb_unit; 1059 1060 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 1061 } 1062 } else { 1063 DPRINTF(20, "%s: no kbdmux allocated\n", __func__); 1064 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd); 1065 if (idx0 < 0) { 1066 DPRINTF(10, "%s: No keyboard found.\n", __func__); 1067 return (-1); 1068 } 1069 k0 = kbd_get_keyboard(idx0); 1070 } 1071 vd->vd_keyboard = k0; 1072 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, 1073 vd->vd_keyboard->kb_index); 1074 1075 if (vd->vd_curwindow == &vt_conswindow) { 1076 for (i = 0; i < grabbed; ++i) 1077 vtterm_cngrab_noswitch(vd, vd->vd_curwindow); 1078 } 1079 1080 return (idx0); 1081 } 1082 1083 #define DEVCTL_LEN 64 1084 static void 1085 vtterm_devctl(bool enabled, bool hushed, int hz, sbintime_t duration) 1086 { 1087 struct sbuf sb; 1088 char *buf; 1089 1090 buf = malloc(DEVCTL_LEN, M_VT, M_NOWAIT); 1091 if (buf == NULL) 1092 return; 1093 sbuf_new(&sb, buf, DEVCTL_LEN, SBUF_FIXEDLEN); 1094 sbuf_printf(&sb, "enabled=%s hushed=%s hz=%d duration_ms=%d", 1095 enabled ? "true" : "false", hushed ? "true" : "false", 1096 hz, (int)(duration / SBT_1MS)); 1097 sbuf_finish(&sb); 1098 if (sbuf_error(&sb) == 0) 1099 devctl_notify("VT", "BELL", "RING", sbuf_data(&sb)); 1100 sbuf_delete(&sb); 1101 free(buf, M_VT); 1102 } 1103 1104 static void 1105 vtterm_bell(struct terminal *tm) 1106 { 1107 struct vt_window *vw = tm->tm_softc; 1108 struct vt_device *vd = vw->vw_device; 1109 1110 vtterm_devctl(vt_enable_bell, vd->vd_flags & VDF_QUIET_BELL, 1111 vw->vw_bell_pitch, vw->vw_bell_duration); 1112 1113 if (!vt_enable_bell) 1114 return; 1115 1116 if (vd->vd_flags & VDF_QUIET_BELL) 1117 return; 1118 1119 if (vw->vw_bell_pitch == 0 || 1120 vw->vw_bell_duration == 0) 1121 return; 1122 1123 sysbeep(vw->vw_bell_pitch, vw->vw_bell_duration); 1124 } 1125 1126 static void 1127 vtterm_beep(struct terminal *tm, u_int param) 1128 { 1129 u_int freq; 1130 sbintime_t period; 1131 struct vt_window *vw = tm->tm_softc; 1132 struct vt_device *vd = vw->vw_device; 1133 1134 if ((param == 0) || ((param & 0xffff) == 0)) { 1135 vtterm_bell(tm); 1136 return; 1137 } 1138 1139 period = ((param >> 16) & 0xffff) * SBT_1MS; 1140 freq = 1193182 / (param & 0xffff); 1141 1142 vtterm_devctl(vt_enable_bell, vd->vd_flags & VDF_QUIET_BELL, 1143 freq, period); 1144 1145 if (!vt_enable_bell) 1146 return; 1147 1148 sysbeep(freq, period); 1149 } 1150 1151 static void 1152 vtterm_cursor(struct terminal *tm, const term_pos_t *p) 1153 { 1154 struct vt_window *vw = tm->tm_softc; 1155 1156 vtbuf_cursor_position(&vw->vw_buf, p); 1157 } 1158 1159 static void 1160 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c) 1161 { 1162 struct vt_window *vw = tm->tm_softc; 1163 1164 vtbuf_putchar(&vw->vw_buf, p, c); 1165 } 1166 1167 static void 1168 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c) 1169 { 1170 struct vt_window *vw = tm->tm_softc; 1171 1172 vtbuf_fill(&vw->vw_buf, r, c); 1173 } 1174 1175 static void 1176 vtterm_copy(struct terminal *tm, const term_rect_t *r, 1177 const term_pos_t *p) 1178 { 1179 struct vt_window *vw = tm->tm_softc; 1180 1181 vtbuf_copy(&vw->vw_buf, r, p); 1182 } 1183 1184 static void 1185 vtterm_param(struct terminal *tm, int cmd, unsigned int arg) 1186 { 1187 struct vt_window *vw = tm->tm_softc; 1188 1189 switch (cmd) { 1190 case TP_SETLOCALCURSOR: 1191 /* 1192 * 0 means normal (usually block), 1 means hidden, and 1193 * 2 means blinking (always block) for compatibility with 1194 * syscons. We don't support any changes except hiding, 1195 * so must map 2 to 0. 1196 */ 1197 arg = (arg == 1) ? 0 : 1; 1198 /* FALLTHROUGH */ 1199 case TP_SHOWCURSOR: 1200 vtbuf_cursor_visibility(&vw->vw_buf, arg); 1201 vt_resume_flush_timer(vw, 0); 1202 break; 1203 case TP_MOUSE: 1204 vw->vw_mouse_level = arg; 1205 break; 1206 case TP_SETBELLPD: 1207 vw->vw_bell_pitch = TP_SETBELLPD_PITCH(arg); 1208 vw->vw_bell_duration = 1209 TICKS_2_MSEC(TP_SETBELLPD_DURATION(arg)) * SBT_1MS; 1210 break; 1211 } 1212 } 1213 1214 void 1215 vt_determine_colors(term_char_t c, int cursor, 1216 term_color_t *fg, term_color_t *bg) 1217 { 1218 term_color_t tmp; 1219 int invert; 1220 1221 invert = 0; 1222 1223 *fg = TCHAR_FGCOLOR(c); 1224 if (TCHAR_FORMAT(c) & TF_BOLD) 1225 *fg = TCOLOR_LIGHT(*fg); 1226 *bg = TCHAR_BGCOLOR(c); 1227 if (TCHAR_FORMAT(c) & TF_BLINK) 1228 *bg = TCOLOR_LIGHT(*bg); 1229 1230 if (TCHAR_FORMAT(c) & TF_REVERSE) 1231 invert ^= 1; 1232 if (cursor) 1233 invert ^= 1; 1234 1235 if (invert) { 1236 tmp = *fg; 1237 *fg = *bg; 1238 *bg = tmp; 1239 } 1240 } 1241 1242 #ifndef SC_NO_CUTPASTE 1243 int 1244 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area) 1245 { 1246 unsigned int mx, my; 1247 1248 /* 1249 * We use the cursor position saved during the current refresh, 1250 * in case the cursor moved since. 1251 */ 1252 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col; 1253 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row; 1254 1255 if (mx >= area->tr_end.tp_col || 1256 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col || 1257 my >= area->tr_end.tp_row || 1258 my + vd->vd_mcursor->height <= area->tr_begin.tp_row) 1259 return (0); 1260 return (1); 1261 } 1262 1263 static void 1264 vt_mark_mouse_position_as_dirty(struct vt_device *vd, int locked) 1265 { 1266 term_rect_t area; 1267 struct vt_window *vw; 1268 struct vt_font *vf; 1269 int x, y; 1270 1271 vw = vd->vd_curwindow; 1272 vf = vw->vw_font; 1273 1274 x = vd->vd_mx_drawn; 1275 y = vd->vd_my_drawn; 1276 1277 if (vf != NULL) { 1278 area.tr_begin.tp_col = x / vf->vf_width; 1279 area.tr_begin.tp_row = y / vf->vf_height; 1280 area.tr_end.tp_col = 1281 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1; 1282 area.tr_end.tp_row = 1283 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1; 1284 } else { 1285 /* 1286 * No font loaded (ie. vt_vga operating in textmode). 1287 * 1288 * FIXME: This fake area needs to be revisited once the 1289 * mouse cursor is supported in vt_vga's textmode. 1290 */ 1291 area.tr_begin.tp_col = x; 1292 area.tr_begin.tp_row = y; 1293 area.tr_end.tp_col = x + 2; 1294 area.tr_end.tp_row = y + 2; 1295 } 1296 1297 if (!locked) 1298 vtbuf_lock(&vw->vw_buf); 1299 if (vd->vd_driver->vd_invalidate_text) 1300 vd->vd_driver->vd_invalidate_text(vd, &area); 1301 vtbuf_dirty(&vw->vw_buf, &area); 1302 if (!locked) 1303 vtbuf_unlock(&vw->vw_buf); 1304 } 1305 #endif 1306 1307 static void 1308 vt_set_border(struct vt_device *vd, const term_rect_t *area, 1309 term_color_t c) 1310 { 1311 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect; 1312 1313 if (drawrect == NULL) 1314 return; 1315 1316 /* Top bar */ 1317 if (area->tr_begin.tp_row > 0) 1318 drawrect(vd, 0, 0, vd->vd_width - 1, 1319 area->tr_begin.tp_row - 1, 1, c); 1320 1321 /* Left bar */ 1322 if (area->tr_begin.tp_col > 0) 1323 drawrect(vd, 0, area->tr_begin.tp_row, 1324 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c); 1325 1326 /* Right bar */ 1327 if (area->tr_end.tp_col < vd->vd_width) 1328 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row, 1329 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c); 1330 1331 /* Bottom bar */ 1332 if (area->tr_end.tp_row < vd->vd_height) 1333 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1, 1334 vd->vd_height - 1, 1, c); 1335 } 1336 1337 static int 1338 vt_flush(struct vt_device *vd) 1339 { 1340 struct vt_window *vw; 1341 struct vt_font *vf; 1342 term_rect_t tarea; 1343 #ifndef SC_NO_CUTPASTE 1344 int cursor_was_shown, cursor_moved; 1345 #endif 1346 1347 vw = vd->vd_curwindow; 1348 if (vw == NULL) 1349 return (0); 1350 1351 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY) 1352 return (0); 1353 1354 vf = vw->vw_font; 1355 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL)) 1356 return (0); 1357 1358 vtbuf_lock(&vw->vw_buf); 1359 1360 #ifndef SC_NO_CUTPASTE 1361 cursor_was_shown = vd->vd_mshown; 1362 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn || 1363 vd->vd_my != vd->vd_my_drawn); 1364 1365 /* Check if the cursor should be displayed or not. */ 1366 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */ 1367 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */ 1368 !kdb_active && !KERNEL_PANICKED()) { /* DDB inactive. */ 1369 vd->vd_mshown = 1; 1370 } else { 1371 vd->vd_mshown = 0; 1372 } 1373 1374 /* 1375 * If the cursor changed display state or moved, we must mark 1376 * the old position as dirty, so that it's erased. 1377 */ 1378 if (cursor_was_shown != vd->vd_mshown || 1379 (vd->vd_mshown && cursor_moved)) 1380 vt_mark_mouse_position_as_dirty(vd, true); 1381 1382 /* 1383 * Save position of the mouse cursor. It's used by backends to 1384 * know where to draw the cursor and during the next refresh to 1385 * erase the previous position. 1386 */ 1387 vd->vd_mx_drawn = vd->vd_mx; 1388 vd->vd_my_drawn = vd->vd_my; 1389 1390 /* 1391 * If the cursor is displayed and has moved since last refresh, 1392 * mark the new position as dirty. 1393 */ 1394 if (vd->vd_mshown && cursor_moved) 1395 vt_mark_mouse_position_as_dirty(vd, true); 1396 #endif 1397 1398 vtbuf_undirty(&vw->vw_buf, &tarea); 1399 1400 /* Force a full redraw when the screen contents might be invalid. */ 1401 if (vd->vd_flags & (VDF_INVALID | VDF_SUSPENDED)) { 1402 const teken_attr_t *a; 1403 1404 vd->vd_flags &= ~VDF_INVALID; 1405 1406 a = teken_get_curattr(&vw->vw_terminal->tm_emulator); 1407 vt_set_border(vd, &vw->vw_draw_area, a->ta_bgcolor); 1408 vt_termrect(vd, vf, &tarea); 1409 if (vd->vd_driver->vd_invalidate_text) 1410 vd->vd_driver->vd_invalidate_text(vd, &tarea); 1411 if (vt_draw_logo_cpus) 1412 vtterm_draw_cpu_logos(vd); 1413 } 1414 1415 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) { 1416 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea); 1417 vtbuf_unlock(&vw->vw_buf); 1418 return (1); 1419 } 1420 1421 vtbuf_unlock(&vw->vw_buf); 1422 return (0); 1423 } 1424 1425 static void 1426 vt_timer(void *arg) 1427 { 1428 struct vt_device *vd; 1429 int changed; 1430 1431 vd = arg; 1432 /* Update screen if required. */ 1433 changed = vt_flush(vd); 1434 1435 /* Schedule for next update. */ 1436 if (changed) 1437 vt_schedule_flush(vd, 0); 1438 else 1439 vd->vd_timer_armed = 0; 1440 } 1441 1442 static void 1443 vtterm_pre_input(struct terminal *tm) 1444 { 1445 struct vt_window *vw = tm->tm_softc; 1446 1447 vtbuf_lock(&vw->vw_buf); 1448 } 1449 1450 static void 1451 vtterm_post_input(struct terminal *tm) 1452 { 1453 struct vt_window *vw = tm->tm_softc; 1454 1455 vtbuf_unlock(&vw->vw_buf); 1456 vt_resume_flush_timer(vw, 0); 1457 } 1458 1459 static void 1460 vtterm_done(struct terminal *tm) 1461 { 1462 struct vt_window *vw = tm->tm_softc; 1463 struct vt_device *vd = vw->vw_device; 1464 1465 if (kdb_active || KERNEL_PANICKED()) { 1466 /* Switch to the debugger. */ 1467 if (vd->vd_curwindow != vw) { 1468 vd->vd_curwindow = vw; 1469 vd->vd_flags |= VDF_INVALID; 1470 if (vd->vd_driver->vd_postswitch) 1471 vd->vd_driver->vd_postswitch(vd); 1472 } 1473 vd->vd_flags &= ~VDF_SPLASH; 1474 vt_flush(vd); 1475 } else if (!(vd->vd_flags & VDF_ASYNC)) { 1476 vt_flush(vd); 1477 } 1478 } 1479 1480 #ifdef DEV_SPLASH 1481 static void 1482 vtterm_splash(struct vt_device *vd) 1483 { 1484 vt_axis_t top, left; 1485 1486 /* Display a nice boot splash. */ 1487 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) { 1488 top = (vd->vd_height - vt_logo_height) / 2; 1489 left = (vd->vd_width - vt_logo_width) / 2; 1490 switch (vt_logo_depth) { 1491 case 1: 1492 /* XXX: Unhardcode colors! */ 1493 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow, 1494 vt_logo_image, NULL, vt_logo_width, vt_logo_height, 1495 left, top, TC_WHITE, TC_BLACK); 1496 } 1497 vd->vd_flags |= VDF_SPLASH; 1498 } 1499 } 1500 #endif 1501 1502 static struct vt_font * 1503 parse_font_info_static(struct font_info *fi) 1504 { 1505 struct vt_font *vfp; 1506 uintptr_t ptr; 1507 uint32_t checksum; 1508 1509 if (fi == NULL) 1510 return (NULL); 1511 1512 ptr = (uintptr_t)fi; 1513 /* 1514 * Compute and verify checksum. The total sum of all the fields 1515 * must be 0. 1516 */ 1517 checksum = fi->fi_width; 1518 checksum += fi->fi_height; 1519 checksum += fi->fi_bitmap_size; 1520 for (unsigned i = 0; i < VFNT_MAPS; i++) 1521 checksum += fi->fi_map_count[i]; 1522 1523 if (checksum + fi->fi_checksum != 0) 1524 return (NULL); 1525 1526 ptr += sizeof(struct font_info); 1527 ptr = roundup2(ptr, 8); 1528 1529 vfp = &vt_font_loader; 1530 vfp->vf_height = fi->fi_height; 1531 vfp->vf_width = fi->fi_width; 1532 /* This is default font, set refcount 1 to disable removal. */ 1533 vfp->vf_refcount = 1; 1534 for (unsigned i = 0; i < VFNT_MAPS; i++) { 1535 if (fi->fi_map_count[i] == 0) 1536 continue; 1537 vfp->vf_map_count[i] = fi->fi_map_count[i]; 1538 vfp->vf_map[i] = (vfnt_map_t *)ptr; 1539 ptr += (fi->fi_map_count[i] * sizeof(vfnt_map_t)); 1540 ptr = roundup2(ptr, 8); 1541 } 1542 vfp->vf_bytes = (uint8_t *)ptr; 1543 return (vfp); 1544 } 1545 1546 /* 1547 * Set up default font with allocated data structures. 1548 * However, we can not set refcount here, because it is already set and 1549 * incremented in vtterm_cnprobe() to avoid being released by font load from 1550 * userland. 1551 */ 1552 static struct vt_font * 1553 parse_font_info(struct font_info *fi) 1554 { 1555 struct vt_font *vfp; 1556 uintptr_t ptr; 1557 uint32_t checksum; 1558 size_t size; 1559 1560 if (fi == NULL) 1561 return (NULL); 1562 1563 ptr = (uintptr_t)fi; 1564 /* 1565 * Compute and verify checksum. The total sum of all the fields 1566 * must be 0. 1567 */ 1568 checksum = fi->fi_width; 1569 checksum += fi->fi_height; 1570 checksum += fi->fi_bitmap_size; 1571 for (unsigned i = 0; i < VFNT_MAPS; i++) 1572 checksum += fi->fi_map_count[i]; 1573 1574 if (checksum + fi->fi_checksum != 0) 1575 return (NULL); 1576 1577 ptr += sizeof(struct font_info); 1578 ptr = roundup2(ptr, 8); 1579 1580 vfp = &vt_font_loader; 1581 vfp->vf_height = fi->fi_height; 1582 vfp->vf_width = fi->fi_width; 1583 for (unsigned i = 0; i < VFNT_MAPS; i++) { 1584 if (fi->fi_map_count[i] == 0) 1585 continue; 1586 vfp->vf_map_count[i] = fi->fi_map_count[i]; 1587 size = fi->fi_map_count[i] * sizeof(vfnt_map_t); 1588 vfp->vf_map[i] = malloc(size, M_VT, M_WAITOK | M_ZERO); 1589 bcopy((vfnt_map_t *)ptr, vfp->vf_map[i], size); 1590 ptr += size; 1591 ptr = roundup2(ptr, 8); 1592 } 1593 vfp->vf_bytes = malloc(fi->fi_bitmap_size, M_VT, M_WAITOK | M_ZERO); 1594 bcopy((uint8_t *)ptr, vfp->vf_bytes, fi->fi_bitmap_size); 1595 return (vfp); 1596 } 1597 1598 static void 1599 vt_init_font(void *arg) 1600 { 1601 caddr_t kmdp; 1602 struct font_info *fi; 1603 struct vt_font *font; 1604 1605 kmdp = preload_search_by_type("elf kernel"); 1606 if (kmdp == NULL) 1607 kmdp = preload_search_by_type("elf64 kernel"); 1608 fi = MD_FETCH(kmdp, MODINFOMD_FONT, struct font_info *); 1609 1610 font = parse_font_info(fi); 1611 if (font != NULL) 1612 vt_font_assigned = font; 1613 } 1614 1615 SYSINIT(vt_init_font, SI_SUB_KMEM, SI_ORDER_ANY, vt_init_font, &vt_consdev); 1616 1617 static void 1618 vt_init_font_static(void) 1619 { 1620 caddr_t kmdp; 1621 struct font_info *fi; 1622 struct vt_font *font; 1623 1624 kmdp = preload_search_by_type("elf kernel"); 1625 if (kmdp == NULL) 1626 kmdp = preload_search_by_type("elf64 kernel"); 1627 fi = MD_FETCH(kmdp, MODINFOMD_FONT, struct font_info *); 1628 1629 font = parse_font_info_static(fi); 1630 if (font != NULL) 1631 vt_font_assigned = font; 1632 } 1633 1634 static void 1635 vtterm_cnprobe(struct terminal *tm, struct consdev *cp) 1636 { 1637 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL; 1638 struct vt_window *vw = tm->tm_softc; 1639 struct vt_device *vd = vw->vw_device; 1640 struct winsize wsz; 1641 const term_attr_t *a; 1642 1643 if (!vty_enabled(VTY_VT)) 1644 return; 1645 1646 if (vd->vd_flags & VDF_INITIALIZED) 1647 /* Initialization already done. */ 1648 return; 1649 1650 SET_FOREACH(vtdlist, vt_drv_set) { 1651 vtd = *vtdlist; 1652 if (vtd->vd_probe == NULL) 1653 continue; 1654 if (vtd->vd_probe(vd) == CN_DEAD) 1655 continue; 1656 if ((vtdbest == NULL) || 1657 (vtd->vd_priority > vtdbest->vd_priority)) 1658 vtdbest = vtd; 1659 } 1660 if (vtdbest == NULL) { 1661 cp->cn_pri = CN_DEAD; 1662 vd->vd_flags |= VDF_DEAD; 1663 } else { 1664 vd->vd_driver = vtdbest; 1665 cp->cn_pri = vd->vd_driver->vd_init(vd); 1666 } 1667 1668 /* Check if driver's vt_init return CN_DEAD. */ 1669 if (cp->cn_pri == CN_DEAD) { 1670 vd->vd_flags |= VDF_DEAD; 1671 } 1672 1673 /* Initialize any early-boot keyboard drivers */ 1674 kbd_configure(KB_CONF_PROBE_ONLY); 1675 1676 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1); 1677 vd->vd_windows[VT_CONSWINDOW] = vw; 1678 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw)); 1679 1680 vt_init_font_static(); 1681 1682 /* Attach default font if not in TEXTMODE. */ 1683 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 1684 vw->vw_font = vtfont_ref(vt_font_assigned); 1685 vt_compute_drawable_area(vw); 1686 } 1687 1688 /* 1689 * The original screen size was faked (_VTDEFW x _VTDEFH). Now 1690 * that we have the real viewable size, fix it in the static 1691 * buffer. 1692 */ 1693 if (vd->vd_width != 0 && vd->vd_height != 0) 1694 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size); 1695 1696 /* We need to access terminal attributes from vtbuf */ 1697 vw->vw_buf.vb_terminal = tm; 1698 vtbuf_init_early(&vw->vw_buf); 1699 vt_winsize(vd, vw->vw_font, &wsz); 1700 a = teken_get_curattr(&tm->tm_emulator); 1701 terminal_set_winsize_blank(tm, &wsz, 1, a); 1702 1703 if (vtdbest != NULL) { 1704 #ifdef DEV_SPLASH 1705 if (!vt_splash_cpu) 1706 vtterm_splash(vd); 1707 #endif 1708 vd->vd_flags |= VDF_INITIALIZED; 1709 } 1710 } 1711 1712 static int 1713 vtterm_cngetc(struct terminal *tm) 1714 { 1715 struct vt_window *vw = tm->tm_softc; 1716 struct vt_device *vd = vw->vw_device; 1717 keyboard_t *kbd; 1718 u_int c; 1719 1720 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1721 return (*vw->vw_kbdsq++); 1722 1723 /* Make sure the splash screen is not there. */ 1724 if (vd->vd_flags & VDF_SPLASH) { 1725 /* Remove splash */ 1726 vd->vd_flags &= ~VDF_SPLASH; 1727 /* Mark screen as invalid to force update */ 1728 vd->vd_flags |= VDF_INVALID; 1729 vt_flush(vd); 1730 } 1731 1732 /* Stripped down keyboard handler. */ 1733 if ((kbd = vd->vd_keyboard) == NULL) 1734 return (-1); 1735 1736 /* Force keyboard input mode to K_XLATE */ 1737 vw->vw_kbdmode = K_XLATE; 1738 vt_update_kbd_mode(vw, kbd); 1739 1740 /* Switch the keyboard to polling to make it work here. */ 1741 kbdd_poll(kbd, TRUE); 1742 c = kbdd_read_char(kbd, 0); 1743 kbdd_poll(kbd, FALSE); 1744 if (c & RELKEY) 1745 return (-1); 1746 1747 if (vw->vw_flags & VWF_SCROLL) { 1748 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */); 1749 vt_flush(vd); 1750 return (-1); 1751 } 1752 1753 /* Stripped down handling of vt_kbdevent(), without locking, etc. */ 1754 if (c & SPCLKEY) { 1755 switch (c) { 1756 case SPCLKEY | SLK: 1757 vt_save_kbd_state(vw, kbd); 1758 if (vw->vw_kbdstate & SLKED) { 1759 /* Turn scrolling on. */ 1760 vw->vw_flags |= VWF_SCROLL; 1761 VTBUF_SLCK_ENABLE(&vw->vw_buf); 1762 } else { 1763 /* Turn scrolling off. */ 1764 vt_scroll(vw, 0, VHS_END); 1765 vw->vw_flags &= ~VWF_SCROLL; 1766 VTBUF_SLCK_DISABLE(&vw->vw_buf); 1767 } 1768 break; 1769 /* XXX: KDB can handle history. */ 1770 case SPCLKEY | FKEY | F(50): /* Arrow up. */ 1771 vw->vw_kbdsq = "\x1b[A"; 1772 break; 1773 case SPCLKEY | FKEY | F(58): /* Arrow down. */ 1774 vw->vw_kbdsq = "\x1b[B"; 1775 break; 1776 case SPCLKEY | FKEY | F(55): /* Arrow right. */ 1777 vw->vw_kbdsq = "\x1b[C"; 1778 break; 1779 case SPCLKEY | FKEY | F(53): /* Arrow left. */ 1780 vw->vw_kbdsq = "\x1b[D"; 1781 break; 1782 } 1783 1784 /* Force refresh to make scrollback work. */ 1785 vt_flush(vd); 1786 } else if (KEYFLAGS(c) == 0) { 1787 return (KEYCHAR(c)); 1788 } 1789 1790 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1791 return (*vw->vw_kbdsq++); 1792 1793 return (-1); 1794 } 1795 1796 /* 1797 * These two do most of what we want to do in vtterm_cnungrab, but without 1798 * actually switching windows. This is necessary for, e.g., 1799 * vt_allocate_keyboard() to get the current keyboard into the state it needs to 1800 * be in without damaging the device's window state. 1801 * 1802 * Both return the current grab count, though it's only used in vtterm_cnungrab. 1803 */ 1804 static int 1805 vtterm_cngrab_noswitch(struct vt_device *vd, struct vt_window *vw) 1806 { 1807 keyboard_t *kbd; 1808 1809 if (vw->vw_grabbed++ > 0) 1810 return (vw->vw_grabbed); 1811 1812 if ((kbd = vd->vd_keyboard) == NULL) 1813 return (1); 1814 1815 /* 1816 * Make sure the keyboard is accessible even when the kbd device 1817 * driver is disabled. 1818 */ 1819 kbdd_enable(kbd); 1820 1821 /* We shall always use the keyboard in the XLATE mode here. */ 1822 vw->vw_prev_kbdmode = vw->vw_kbdmode; 1823 vw->vw_kbdmode = K_XLATE; 1824 vt_update_kbd_mode(vw, kbd); 1825 1826 kbdd_poll(kbd, TRUE); 1827 return (1); 1828 } 1829 1830 static int 1831 vtterm_cnungrab_noswitch(struct vt_device *vd, struct vt_window *vw) 1832 { 1833 keyboard_t *kbd; 1834 1835 if (--vw->vw_grabbed > 0) 1836 return (vw->vw_grabbed); 1837 1838 if ((kbd = vd->vd_keyboard) == NULL) 1839 return (0); 1840 1841 kbdd_poll(kbd, FALSE); 1842 1843 vw->vw_kbdmode = vw->vw_prev_kbdmode; 1844 vt_update_kbd_mode(vw, kbd); 1845 kbdd_disable(kbd); 1846 return (0); 1847 } 1848 1849 static void 1850 vtterm_cngrab(struct terminal *tm) 1851 { 1852 struct vt_device *vd; 1853 struct vt_window *vw; 1854 1855 vw = tm->tm_softc; 1856 vd = vw->vw_device; 1857 1858 /* To be restored after we ungrab. */ 1859 if (vd->vd_grabwindow == NULL) 1860 vd->vd_grabwindow = vd->vd_curwindow; 1861 1862 if (!cold) 1863 vt_window_switch(vw); 1864 1865 vtterm_cngrab_noswitch(vd, vw); 1866 } 1867 1868 static void 1869 vtterm_cnungrab(struct terminal *tm) 1870 { 1871 struct vt_device *vd; 1872 struct vt_window *vw; 1873 1874 vw = tm->tm_softc; 1875 vd = vw->vw_device; 1876 1877 MPASS(vd->vd_grabwindow != NULL); 1878 if (vtterm_cnungrab_noswitch(vd, vw) != 0) 1879 return; 1880 1881 if (!cold && vd->vd_grabwindow != vw) 1882 vt_window_switch(vd->vd_grabwindow); 1883 1884 vd->vd_grabwindow = NULL; 1885 } 1886 1887 static void 1888 vtterm_opened(struct terminal *tm, int opened) 1889 { 1890 struct vt_window *vw = tm->tm_softc; 1891 struct vt_device *vd = vw->vw_device; 1892 1893 VT_LOCK(vd); 1894 vd->vd_flags &= ~VDF_SPLASH; 1895 if (opened) 1896 vw->vw_flags |= VWF_OPENED; 1897 else { 1898 vw->vw_flags &= ~VWF_OPENED; 1899 /* TODO: finish ACQ/REL */ 1900 } 1901 VT_UNLOCK(vd); 1902 } 1903 1904 static int 1905 vt_change_font(struct vt_window *vw, struct vt_font *vf) 1906 { 1907 struct vt_device *vd = vw->vw_device; 1908 struct terminal *tm = vw->vw_terminal; 1909 term_pos_t size; 1910 struct winsize wsz; 1911 1912 /* 1913 * Changing fonts. 1914 * 1915 * Changing fonts is a little tricky. We must prevent 1916 * simultaneous access to the device, so we must stop 1917 * the display timer and the terminal from accessing. 1918 * We need to switch fonts and grow our screen buffer. 1919 * 1920 * XXX: Right now the code uses terminal_mute() to 1921 * prevent data from reaching the console driver while 1922 * resizing the screen buffer. This isn't elegant... 1923 */ 1924 1925 VT_LOCK(vd); 1926 if (vw->vw_flags & VWF_BUSY) { 1927 /* Another process is changing the font. */ 1928 VT_UNLOCK(vd); 1929 return (EBUSY); 1930 } 1931 vw->vw_flags |= VWF_BUSY; 1932 VT_UNLOCK(vd); 1933 1934 vt_termsize(vd, vf, &size); 1935 vt_winsize(vd, vf, &wsz); 1936 1937 /* Grow the screen buffer and terminal. */ 1938 terminal_mute(tm, 1); 1939 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 1940 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 1941 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 1942 terminal_mute(tm, 0); 1943 1944 /* Actually apply the font to the current window. */ 1945 VT_LOCK(vd); 1946 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) { 1947 /* 1948 * In case vt_change_font called to update size we don't need 1949 * to update font link. 1950 */ 1951 vtfont_unref(vw->vw_font); 1952 vw->vw_font = vtfont_ref(vf); 1953 } 1954 1955 /* 1956 * Compute the drawable area and move the mouse cursor inside 1957 * it, in case the new area is smaller than the previous one. 1958 */ 1959 vt_compute_drawable_area(vw); 1960 vd->vd_mx = min(vd->vd_mx, 1961 vw->vw_draw_area.tr_end.tp_col - 1962 vw->vw_draw_area.tr_begin.tp_col - 1); 1963 vd->vd_my = min(vd->vd_my, 1964 vw->vw_draw_area.tr_end.tp_row - 1965 vw->vw_draw_area.tr_begin.tp_row - 1); 1966 1967 /* Force a full redraw the next timer tick. */ 1968 if (vd->vd_curwindow == vw) { 1969 vd->vd_flags |= VDF_INVALID; 1970 vt_resume_flush_timer(vw, 0); 1971 } 1972 vw->vw_flags &= ~VWF_BUSY; 1973 VT_UNLOCK(vd); 1974 return (0); 1975 } 1976 1977 static int 1978 vt_proc_alive(struct vt_window *vw) 1979 { 1980 struct proc *p; 1981 1982 if (vw->vw_smode.mode != VT_PROCESS) 1983 return (FALSE); 1984 1985 if (vw->vw_proc) { 1986 if ((p = pfind(vw->vw_pid)) != NULL) 1987 PROC_UNLOCK(p); 1988 if (vw->vw_proc == p) 1989 return (TRUE); 1990 vw->vw_proc = NULL; 1991 vw->vw_smode.mode = VT_AUTO; 1992 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid); 1993 vw->vw_pid = 0; 1994 } 1995 return (FALSE); 1996 } 1997 1998 static int 1999 signal_vt_rel(struct vt_window *vw) 2000 { 2001 2002 if (vw->vw_smode.mode != VT_PROCESS) 2003 return (FALSE); 2004 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 2005 vw->vw_proc = NULL; 2006 vw->vw_pid = 0; 2007 return (TRUE); 2008 } 2009 vw->vw_flags |= VWF_SWWAIT_REL; 2010 PROC_LOCK(vw->vw_proc); 2011 kern_psignal(vw->vw_proc, vw->vw_smode.relsig); 2012 PROC_UNLOCK(vw->vw_proc); 2013 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid); 2014 return (TRUE); 2015 } 2016 2017 static int 2018 signal_vt_acq(struct vt_window *vw) 2019 { 2020 2021 if (vw->vw_smode.mode != VT_PROCESS) 2022 return (FALSE); 2023 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2024 cnavailable(vw->vw_terminal->consdev, FALSE); 2025 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 2026 vw->vw_proc = NULL; 2027 vw->vw_pid = 0; 2028 return (TRUE); 2029 } 2030 vw->vw_flags |= VWF_SWWAIT_ACQ; 2031 PROC_LOCK(vw->vw_proc); 2032 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig); 2033 PROC_UNLOCK(vw->vw_proc); 2034 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid); 2035 return (TRUE); 2036 } 2037 2038 static int 2039 finish_vt_rel(struct vt_window *vw, int release, int *s) 2040 { 2041 2042 if (vw->vw_flags & VWF_SWWAIT_REL) { 2043 vw->vw_flags &= ~VWF_SWWAIT_REL; 2044 if (release) { 2045 taskqueue_drain_timeout(taskqueue_thread, &vw->vw_timeout_task_dead); 2046 (void)vt_late_window_switch(vw->vw_switch_to); 2047 } 2048 return (0); 2049 } 2050 return (EINVAL); 2051 } 2052 2053 static int 2054 finish_vt_acq(struct vt_window *vw) 2055 { 2056 2057 if (vw->vw_flags & VWF_SWWAIT_ACQ) { 2058 vw->vw_flags &= ~VWF_SWWAIT_ACQ; 2059 return (0); 2060 } 2061 return (EINVAL); 2062 } 2063 2064 #ifndef SC_NO_CUTPASTE 2065 static void 2066 vt_mouse_terminput_button(struct vt_device *vd, int button) 2067 { 2068 struct vt_window *vw; 2069 struct vt_font *vf; 2070 char mouseb[6] = "\x1B[M"; 2071 int i, x, y; 2072 2073 vw = vd->vd_curwindow; 2074 vf = vw->vw_font; 2075 2076 /* Translate to char position. */ 2077 x = vd->vd_mx / vf->vf_width; 2078 y = vd->vd_my / vf->vf_height; 2079 /* Avoid overflow. */ 2080 x = MIN(x, 255 - '!'); 2081 y = MIN(y, 255 - '!'); 2082 2083 mouseb[3] = ' ' + button; 2084 mouseb[4] = '!' + x; 2085 mouseb[5] = '!' + y; 2086 2087 for (i = 0; i < sizeof(mouseb); i++) 2088 terminal_input_char(vw->vw_terminal, mouseb[i]); 2089 } 2090 2091 static void 2092 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event, 2093 int cnt) 2094 { 2095 2096 switch (type) { 2097 case MOUSE_BUTTON_EVENT: 2098 if (cnt > 0) { 2099 /* Mouse button pressed. */ 2100 if (event & MOUSE_BUTTON1DOWN) 2101 vt_mouse_terminput_button(vd, 0); 2102 if (event & MOUSE_BUTTON2DOWN) 2103 vt_mouse_terminput_button(vd, 1); 2104 if (event & MOUSE_BUTTON3DOWN) 2105 vt_mouse_terminput_button(vd, 2); 2106 } else { 2107 /* Mouse button released. */ 2108 vt_mouse_terminput_button(vd, 3); 2109 } 2110 break; 2111 #ifdef notyet 2112 case MOUSE_MOTION_EVENT: 2113 if (mouse->u.data.z < 0) { 2114 /* Scroll up. */ 2115 sc_mouse_input_button(vd, 64); 2116 } else if (mouse->u.data.z > 0) { 2117 /* Scroll down. */ 2118 sc_mouse_input_button(vd, 65); 2119 } 2120 break; 2121 #endif 2122 } 2123 } 2124 2125 static void 2126 vt_mouse_paste(void) 2127 { 2128 term_char_t *buf; 2129 int i, len; 2130 2131 len = VD_PASTEBUFLEN(main_vd); 2132 buf = VD_PASTEBUF(main_vd); 2133 len /= sizeof(term_char_t); 2134 for (i = 0; i < len; i++) { 2135 if (TCHAR_CHARACTER(buf[i]) == '\0') 2136 continue; 2137 terminal_input_char(main_vd->vd_curwindow->vw_terminal, 2138 buf[i]); 2139 } 2140 } 2141 2142 void 2143 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel) 2144 { 2145 struct vt_device *vd; 2146 struct vt_window *vw; 2147 struct vt_font *vf; 2148 term_pos_t size; 2149 int len, mark; 2150 2151 vd = main_vd; 2152 vw = vd->vd_curwindow; 2153 vf = vw->vw_font; 2154 2155 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS)) 2156 /* 2157 * Either the mouse is disabled, or the window is in 2158 * "graphics mode". The graphics mode is usually set by 2159 * an X server, using the KDSETMODE ioctl. 2160 */ 2161 return; 2162 2163 if (vf == NULL) /* Text mode. */ 2164 return; 2165 2166 /* 2167 * TODO: add flag about pointer position changed, to not redraw chars 2168 * under mouse pointer when nothing changed. 2169 */ 2170 2171 if (vw->vw_mouse_level > 0) 2172 vt_mouse_terminput(vd, type, x, y, event, cnt); 2173 2174 switch (type) { 2175 case MOUSE_ACTION: 2176 case MOUSE_MOTION_EVENT: 2177 /* Movement */ 2178 x += vd->vd_mx; 2179 y += vd->vd_my; 2180 2181 vt_termsize(vd, vf, &size); 2182 2183 /* Apply limits. */ 2184 x = MAX(x, 0); 2185 y = MAX(y, 0); 2186 x = MIN(x, (size.tp_col * vf->vf_width) - 1); 2187 y = MIN(y, (size.tp_row * vf->vf_height) - 1); 2188 2189 vd->vd_mx = x; 2190 vd->vd_my = y; 2191 if (vd->vd_mstate & (MOUSE_BUTTON1DOWN | VT_MOUSE_EXTENDBUTTON)) 2192 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE, 2193 vd->vd_mx / vf->vf_width, 2194 vd->vd_my / vf->vf_height); 2195 2196 vt_resume_flush_timer(vw, 0); 2197 return; /* Done */ 2198 case MOUSE_BUTTON_EVENT: 2199 /* Buttons */ 2200 break; 2201 default: 2202 return; /* Done */ 2203 } 2204 2205 switch (event) { 2206 case MOUSE_BUTTON1DOWN: 2207 switch (cnt % 4) { 2208 case 0: /* up */ 2209 mark = VTB_MARK_END; 2210 break; 2211 case 1: /* single click: start cut operation */ 2212 mark = VTB_MARK_START; 2213 break; 2214 case 2: /* double click: cut a word */ 2215 mark = VTB_MARK_WORD; 2216 break; 2217 default: /* triple click: cut a line */ 2218 mark = VTB_MARK_ROW; 2219 break; 2220 } 2221 break; 2222 case VT_MOUSE_PASTEBUTTON: 2223 switch (cnt) { 2224 case 0: /* up */ 2225 break; 2226 default: 2227 vt_mouse_paste(); 2228 /* clear paste buffer selection after paste */ 2229 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_START, 2230 vd->vd_mx / vf->vf_width, 2231 vd->vd_my / vf->vf_height); 2232 break; 2233 } 2234 return; /* Done */ 2235 case VT_MOUSE_EXTENDBUTTON: 2236 switch (cnt) { 2237 case 0: /* up */ 2238 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN)) 2239 mark = VTB_MARK_EXTEND; 2240 else 2241 mark = VTB_MARK_NONE; 2242 break; 2243 default: 2244 mark = VTB_MARK_EXTEND; 2245 break; 2246 } 2247 break; 2248 default: 2249 return; /* Done */ 2250 } 2251 2252 /* Save buttons state. */ 2253 if (cnt > 0) 2254 vd->vd_mstate |= event; 2255 else 2256 vd->vd_mstate &= ~event; 2257 2258 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width, 2259 vd->vd_my / vf->vf_height) == 1) { 2260 /* 2261 * We have something marked to copy, so update pointer to 2262 * window with selection. 2263 */ 2264 vt_resume_flush_timer(vw, 0); 2265 2266 switch (mark) { 2267 case VTB_MARK_END: 2268 case VTB_MARK_WORD: 2269 case VTB_MARK_ROW: 2270 case VTB_MARK_EXTEND: 2271 break; 2272 default: 2273 /* Other types of mark do not require to copy data. */ 2274 return; 2275 } 2276 2277 /* Get current selection size in bytes. */ 2278 len = vtbuf_get_marked_len(&vw->vw_buf); 2279 if (len <= 0) 2280 return; 2281 2282 /* Reallocate buffer only if old one is too small. */ 2283 if (len > VD_PASTEBUFSZ(vd)) { 2284 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT, 2285 M_WAITOK | M_ZERO); 2286 /* Update buffer size. */ 2287 VD_PASTEBUFSZ(vd) = len; 2288 } 2289 /* Request copy/paste buffer data, no more than `len' */ 2290 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd), len, mark); 2291 2292 VD_PASTEBUFLEN(vd) = len; 2293 2294 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */ 2295 } 2296 } 2297 2298 void 2299 vt_mouse_state(int show) 2300 { 2301 struct vt_device *vd; 2302 struct vt_window *vw; 2303 2304 vd = main_vd; 2305 vw = vd->vd_curwindow; 2306 2307 switch (show) { 2308 case VT_MOUSE_HIDE: 2309 vw->vw_flags |= VWF_MOUSE_HIDE; 2310 break; 2311 case VT_MOUSE_SHOW: 2312 vw->vw_flags &= ~VWF_MOUSE_HIDE; 2313 break; 2314 } 2315 2316 /* Mark mouse position as dirty. */ 2317 vt_mark_mouse_position_as_dirty(vd, false); 2318 vt_resume_flush_timer(vw, 0); 2319 } 2320 #endif 2321 2322 static int 2323 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr, 2324 int nprot, vm_memattr_t *memattr) 2325 { 2326 struct vt_window *vw = tm->tm_softc; 2327 struct vt_device *vd = vw->vw_device; 2328 2329 if (vd->vd_driver->vd_fb_mmap) 2330 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot, 2331 memattr)); 2332 2333 return (ENXIO); 2334 } 2335 2336 static int 2337 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data, 2338 struct thread *td) 2339 { 2340 struct vt_window *vw = tm->tm_softc; 2341 struct vt_device *vd = vw->vw_device; 2342 keyboard_t *kbd; 2343 int error, i, s; 2344 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 2345 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 2346 int ival; 2347 2348 switch (cmd) { 2349 case _IO('v', 4): 2350 cmd = VT_RELDISP; 2351 break; 2352 case _IO('v', 5): 2353 cmd = VT_ACTIVATE; 2354 break; 2355 case _IO('v', 6): 2356 cmd = VT_WAITACTIVE; 2357 break; 2358 case _IO('K', 20): 2359 cmd = KDSKBSTATE; 2360 break; 2361 case _IO('K', 67): 2362 cmd = KDSETRAD; 2363 break; 2364 case _IO('K', 7): 2365 cmd = KDSKBMODE; 2366 break; 2367 case _IO('K', 8): 2368 cmd = KDMKTONE; 2369 break; 2370 case _IO('K', 10): 2371 cmd = KDSETMODE; 2372 break; 2373 case _IO('K', 13): 2374 cmd = KDSBORDER; 2375 break; 2376 case _IO('K', 63): 2377 cmd = KIOCSOUND; 2378 break; 2379 case _IO('K', 66): 2380 cmd = KDSETLED; 2381 break; 2382 case _IO('c', 104): 2383 cmd = CONS_SETWINORG; 2384 break; 2385 case _IO('c', 110): 2386 cmd = CONS_SETKBD; 2387 break; 2388 default: 2389 goto skip_thunk; 2390 } 2391 ival = IOCPARM_IVAL(data); 2392 data = (caddr_t)&ival; 2393 skip_thunk: 2394 #endif 2395 2396 switch (cmd) { 2397 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 2398 if (*(int *)data & ~0x7f) 2399 return (EINVAL); 2400 /* FALLTHROUGH */ 2401 case GIO_KEYMAP: 2402 case PIO_KEYMAP: 2403 case GIO_DEADKEYMAP: 2404 case PIO_DEADKEYMAP: 2405 #ifdef COMPAT_FREEBSD13 2406 case OGIO_DEADKEYMAP: 2407 case OPIO_DEADKEYMAP: 2408 #endif /* COMPAT_FREEBSD13 */ 2409 case GETFKEY: 2410 case SETFKEY: 2411 case KDGKBINFO: 2412 case KDGKBTYPE: 2413 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 2414 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 2415 case KBADDKBD: /* add keyboard to mux */ 2416 case KBRELKBD: { /* release keyboard from mux */ 2417 error = 0; 2418 2419 mtx_lock(&Giant); 2420 if ((kbd = vd->vd_keyboard) != NULL) 2421 error = kbdd_ioctl(kbd, cmd, data); 2422 mtx_unlock(&Giant); 2423 if (error == ENOIOCTL) { 2424 if (cmd == KDGKBTYPE) { 2425 /* always return something? XXX */ 2426 *(int *)data = 0; 2427 } else { 2428 return (ENODEV); 2429 } 2430 } 2431 return (error); 2432 } 2433 case KDGKBSTATE: { /* get keyboard state (locks) */ 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_state(vw, kbd); 2440 mtx_unlock(&Giant); 2441 2442 if (error != 0) 2443 return (error); 2444 } 2445 2446 *(int *)data = vw->vw_kbdstate & LOCK_MASK; 2447 2448 return (error); 2449 } 2450 case KDSKBSTATE: { /* set keyboard state (locks) */ 2451 int state; 2452 2453 state = *(int *)data; 2454 if (state & ~LOCK_MASK) 2455 return (EINVAL); 2456 2457 vw->vw_kbdstate &= ~LOCK_MASK; 2458 vw->vw_kbdstate |= state; 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_state(vw, kbd); 2465 mtx_unlock(&Giant); 2466 } 2467 2468 return (error); 2469 } 2470 case KDGETLED: { /* get keyboard LED status */ 2471 error = 0; 2472 2473 if (vw == vd->vd_curwindow) { 2474 mtx_lock(&Giant); 2475 if ((kbd = vd->vd_keyboard) != NULL) 2476 error = vt_save_kbd_leds(vw, kbd); 2477 mtx_unlock(&Giant); 2478 2479 if (error != 0) 2480 return (error); 2481 } 2482 2483 *(int *)data = vw->vw_kbdstate & LED_MASK; 2484 2485 return (error); 2486 } 2487 case KDSETLED: { /* set keyboard LED status */ 2488 int leds; 2489 2490 leds = *(int *)data; 2491 if (leds & ~LED_MASK) 2492 return (EINVAL); 2493 2494 vw->vw_kbdstate &= ~LED_MASK; 2495 vw->vw_kbdstate |= leds; 2496 2497 error = 0; 2498 if (vw == vd->vd_curwindow) { 2499 mtx_lock(&Giant); 2500 if ((kbd = vd->vd_keyboard) != NULL) 2501 error = vt_update_kbd_leds(vw, kbd); 2502 mtx_unlock(&Giant); 2503 } 2504 2505 return (error); 2506 } 2507 case KDGETMODE: 2508 *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ? 2509 KD_GRAPHICS : KD_TEXT; 2510 return (0); 2511 case KDGKBMODE: { 2512 error = 0; 2513 2514 if (vw == vd->vd_curwindow) { 2515 mtx_lock(&Giant); 2516 if ((kbd = vd->vd_keyboard) != NULL) 2517 error = vt_save_kbd_mode(vw, kbd); 2518 mtx_unlock(&Giant); 2519 2520 if (error != 0) 2521 return (error); 2522 } 2523 2524 *(int *)data = vw->vw_kbdmode; 2525 2526 return (error); 2527 } 2528 case KDSKBMODE: { 2529 int mode; 2530 2531 mode = *(int *)data; 2532 switch (mode) { 2533 case K_XLATE: 2534 case K_RAW: 2535 case K_CODE: 2536 vw->vw_kbdmode = mode; 2537 2538 error = 0; 2539 if (vw == vd->vd_curwindow) { 2540 mtx_lock(&Giant); 2541 if ((kbd = vd->vd_keyboard) != NULL) 2542 error = vt_update_kbd_mode(vw, kbd); 2543 mtx_unlock(&Giant); 2544 } 2545 2546 return (error); 2547 default: 2548 return (EINVAL); 2549 } 2550 } 2551 case FBIOGTYPE: 2552 case FBIO_GETWINORG: /* get frame buffer window origin */ 2553 case FBIO_GETDISPSTART: /* get display start address */ 2554 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 2555 case FBIO_BLANK: /* blank display */ 2556 case FBIO_GETRGBOFFS: /* get RGB offsets */ 2557 if (vd->vd_driver->vd_fb_ioctl) 2558 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td)); 2559 break; 2560 case CONS_BLANKTIME: 2561 /* XXX */ 2562 return (0); 2563 case CONS_HISTORY: 2564 if (*(int *)data < 0) 2565 return EINVAL; 2566 if (*(int *)data != vw->vw_buf.vb_history_size) 2567 vtbuf_sethistory_size(&vw->vw_buf, *(int *)data); 2568 return (0); 2569 case CONS_CLRHIST: 2570 vtbuf_clearhistory(&vw->vw_buf); 2571 /* 2572 * Invalidate the entire visible window; it is not guaranteed 2573 * that this operation will be immediately followed by a scroll 2574 * event, so it would otherwise be possible for prior artifacts 2575 * to remain visible. 2576 */ 2577 VT_LOCK(vd); 2578 if (vw == vd->vd_curwindow) { 2579 vd->vd_flags |= VDF_INVALID; 2580 vt_resume_flush_timer(vw, 0); 2581 } 2582 VT_UNLOCK(vd); 2583 return (0); 2584 case CONS_GET: 2585 /* XXX */ 2586 *(int *)data = M_CG640x480; 2587 return (0); 2588 case CONS_BELLTYPE: /* set bell type sound */ 2589 if ((*(int *)data) & CONS_QUIET_BELL) 2590 vd->vd_flags |= VDF_QUIET_BELL; 2591 else 2592 vd->vd_flags &= ~VDF_QUIET_BELL; 2593 return (0); 2594 case CONS_GETINFO: { 2595 vid_info_t *vi = (vid_info_t *)data; 2596 if (vi->size != sizeof(struct vid_info)) 2597 return (EINVAL); 2598 2599 if (vw == vd->vd_curwindow) { 2600 mtx_lock(&Giant); 2601 if ((kbd = vd->vd_keyboard) != NULL) 2602 vt_save_kbd_state(vw, kbd); 2603 mtx_unlock(&Giant); 2604 } 2605 2606 vi->m_num = vd->vd_curwindow->vw_number + 1; 2607 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK; 2608 /* XXX: other fields! */ 2609 return (0); 2610 } 2611 case CONS_GETVERS: 2612 *(int *)data = 0x200; 2613 return (0); 2614 case CONS_MODEINFO: 2615 /* XXX */ 2616 return (0); 2617 case CONS_MOUSECTL: { 2618 mouse_info_t *mouse = (mouse_info_t*)data; 2619 2620 /* 2621 * All the commands except MOUSE_SHOW nd MOUSE_HIDE 2622 * should not be applied to individual TTYs, but only to 2623 * consolectl. 2624 */ 2625 switch (mouse->operation) { 2626 case MOUSE_HIDE: 2627 if (vd->vd_flags & VDF_MOUSECURSOR) { 2628 vd->vd_flags &= ~VDF_MOUSECURSOR; 2629 #ifndef SC_NO_CUTPASTE 2630 vt_mouse_state(VT_MOUSE_HIDE); 2631 #endif 2632 } 2633 return (0); 2634 case MOUSE_SHOW: 2635 if (!(vd->vd_flags & VDF_MOUSECURSOR)) { 2636 vd->vd_flags |= VDF_MOUSECURSOR; 2637 vd->vd_mx = vd->vd_width / 2; 2638 vd->vd_my = vd->vd_height / 2; 2639 #ifndef SC_NO_CUTPASTE 2640 vt_mouse_state(VT_MOUSE_SHOW); 2641 #endif 2642 } 2643 return (0); 2644 default: 2645 return (EINVAL); 2646 } 2647 } 2648 case PIO_VFONT: { 2649 struct vt_font *vf; 2650 2651 if (vd->vd_flags & VDF_TEXTMODE) 2652 return (ENOTSUP); 2653 2654 error = vtfont_load((void *)data, &vf); 2655 if (error != 0) 2656 return (error); 2657 2658 error = vt_change_font(vw, vf); 2659 vtfont_unref(vf); 2660 return (error); 2661 } 2662 case PIO_VFONT_DEFAULT: { 2663 /* Reset to default font. */ 2664 error = vt_change_font(vw, vt_font_assigned); 2665 return (error); 2666 } 2667 case GIO_SCRNMAP: { 2668 scrmap_t *sm = (scrmap_t *)data; 2669 2670 /* We don't have screen maps, so return a handcrafted one. */ 2671 for (i = 0; i < 256; i++) 2672 sm->scrmap[i] = i; 2673 return (0); 2674 } 2675 case KDSETMODE: 2676 /* 2677 * FIXME: This implementation is incomplete compared to 2678 * syscons. 2679 */ 2680 switch (*(int *)data) { 2681 case KD_TEXT: 2682 case KD_TEXT1: 2683 case KD_PIXEL: 2684 vw->vw_flags &= ~VWF_GRAPHICS; 2685 break; 2686 case KD_GRAPHICS: 2687 vw->vw_flags |= VWF_GRAPHICS; 2688 break; 2689 } 2690 return (0); 2691 case KDENABIO: /* allow io operations */ 2692 error = priv_check(td, PRIV_IO); 2693 if (error != 0) 2694 return (error); 2695 error = securelevel_gt(td->td_ucred, 0); 2696 if (error != 0) 2697 return (error); 2698 #if defined(__i386__) 2699 td->td_frame->tf_eflags |= PSL_IOPL; 2700 #elif defined(__amd64__) 2701 td->td_frame->tf_rflags |= PSL_IOPL; 2702 #endif 2703 return (0); 2704 case KDDISABIO: /* disallow io operations (default) */ 2705 #if defined(__i386__) 2706 td->td_frame->tf_eflags &= ~PSL_IOPL; 2707 #elif defined(__amd64__) 2708 td->td_frame->tf_rflags &= ~PSL_IOPL; 2709 #endif 2710 return (0); 2711 case KDMKTONE: /* sound the bell */ 2712 vtterm_beep(tm, *(u_int *)data); 2713 return (0); 2714 case KIOCSOUND: /* make tone (*data) hz */ 2715 /* TODO */ 2716 return (0); 2717 case CONS_SETKBD: /* set the new keyboard */ 2718 mtx_lock(&Giant); 2719 error = 0; 2720 if (vd->vd_keyboard == NULL || 2721 vd->vd_keyboard->kb_index != *(int *)data) { 2722 kbd = kbd_get_keyboard(*(int *)data); 2723 if (kbd == NULL) { 2724 mtx_unlock(&Giant); 2725 return (EINVAL); 2726 } 2727 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, 2728 (void *)vd, vt_kbdevent, vd); 2729 if (i >= 0) { 2730 if ((kbd = vd->vd_keyboard) != NULL) { 2731 vt_save_kbd_state(vd->vd_curwindow, kbd); 2732 kbd_release(kbd, (void *)vd); 2733 } 2734 kbd = vd->vd_keyboard = kbd_get_keyboard(i); 2735 2736 vt_update_kbd_mode(vd->vd_curwindow, kbd); 2737 vt_update_kbd_state(vd->vd_curwindow, kbd); 2738 } else { 2739 error = EPERM; /* XXX */ 2740 } 2741 } 2742 mtx_unlock(&Giant); 2743 return (error); 2744 case CONS_RELKBD: /* release the current keyboard */ 2745 mtx_lock(&Giant); 2746 error = 0; 2747 if ((kbd = vd->vd_keyboard) != NULL) { 2748 vt_save_kbd_state(vd->vd_curwindow, kbd); 2749 error = kbd_release(kbd, (void *)vd); 2750 if (error == 0) { 2751 vd->vd_keyboard = NULL; 2752 } 2753 } 2754 mtx_unlock(&Giant); 2755 return (error); 2756 case VT_ACTIVATE: { 2757 int win; 2758 win = *(int *)data - 1; 2759 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME, 2760 VT_UNIT(vw), win); 2761 if ((win >= VT_MAXWINDOWS) || (win < 0)) 2762 return (EINVAL); 2763 return (vt_proc_window_switch(vd->vd_windows[win])); 2764 } 2765 case VT_GETACTIVE: 2766 *(int *)data = vd->vd_curwindow->vw_number + 1; 2767 return (0); 2768 case VT_GETINDEX: 2769 *(int *)data = vw->vw_number + 1; 2770 return (0); 2771 case VT_LOCKSWITCH: 2772 /* TODO: Check current state, switching can be in progress. */ 2773 if ((*(int *)data) == 0x01) 2774 vw->vw_flags |= VWF_VTYLOCK; 2775 else if ((*(int *)data) == 0x02) 2776 vw->vw_flags &= ~VWF_VTYLOCK; 2777 else 2778 return (EINVAL); 2779 return (0); 2780 case VT_OPENQRY: 2781 VT_LOCK(vd); 2782 for (i = 0; i < VT_MAXWINDOWS; i++) { 2783 vw = vd->vd_windows[i]; 2784 if (vw == NULL) 2785 continue; 2786 if (!(vw->vw_flags & VWF_OPENED)) { 2787 *(int *)data = vw->vw_number + 1; 2788 VT_UNLOCK(vd); 2789 return (0); 2790 } 2791 } 2792 VT_UNLOCK(vd); 2793 return (EINVAL); 2794 case VT_WAITACTIVE: { 2795 unsigned int idx; 2796 2797 error = 0; 2798 2799 idx = *(unsigned int *)data; 2800 if (idx > VT_MAXWINDOWS) 2801 return (EINVAL); 2802 if (idx > 0) 2803 vw = vd->vd_windows[idx - 1]; 2804 2805 VT_LOCK(vd); 2806 while (vd->vd_curwindow != vw && error == 0) 2807 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2808 VT_UNLOCK(vd); 2809 return (error); 2810 } 2811 case VT_SETMODE: { /* set screen switcher mode */ 2812 struct vt_mode *mode; 2813 struct proc *p1; 2814 2815 mode = (struct vt_mode *)data; 2816 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw)); 2817 if (vw->vw_smode.mode == VT_PROCESS) { 2818 p1 = pfind(vw->vw_pid); 2819 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) { 2820 if (p1) 2821 PROC_UNLOCK(p1); 2822 DPRINTF(5, "error EPERM\n"); 2823 return (EPERM); 2824 } 2825 if (p1) 2826 PROC_UNLOCK(p1); 2827 } 2828 if (mode->mode == VT_AUTO) { 2829 vw->vw_smode.mode = VT_AUTO; 2830 vw->vw_proc = NULL; 2831 vw->vw_pid = 0; 2832 DPRINTF(5, "VT_AUTO, "); 2833 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2834 cnavailable(vw->vw_terminal->consdev, TRUE); 2835 /* were we in the middle of the vty switching process? */ 2836 if (finish_vt_rel(vw, TRUE, &s) == 0) 2837 DPRINTF(5, "reset WAIT_REL, "); 2838 if (finish_vt_acq(vw) == 0) 2839 DPRINTF(5, "reset WAIT_ACQ, "); 2840 return (0); 2841 } else if (mode->mode == VT_PROCESS) { 2842 if (!ISSIGVALID(mode->relsig) || 2843 !ISSIGVALID(mode->acqsig) || 2844 !ISSIGVALID(mode->frsig)) { 2845 DPRINTF(5, "error EINVAL\n"); 2846 return (EINVAL); 2847 } 2848 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid); 2849 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode)); 2850 vw->vw_proc = td->td_proc; 2851 vw->vw_pid = vw->vw_proc->p_pid; 2852 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2853 cnavailable(vw->vw_terminal->consdev, FALSE); 2854 } else { 2855 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n", 2856 mode->mode); 2857 return (EINVAL); 2858 } 2859 DPRINTF(5, "\n"); 2860 return (0); 2861 } 2862 case VT_GETMODE: /* get screen switcher mode */ 2863 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode)); 2864 return (0); 2865 2866 case VT_RELDISP: /* screen switcher ioctl */ 2867 /* 2868 * This must be the current vty which is in the VT_PROCESS 2869 * switching mode... 2870 */ 2871 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode != 2872 VT_PROCESS)) { 2873 return (EINVAL); 2874 } 2875 /* ...and this process is controlling it. */ 2876 if (vw->vw_proc != td->td_proc) { 2877 return (EPERM); 2878 } 2879 error = EINVAL; 2880 switch(*(int *)data) { 2881 case VT_FALSE: /* user refuses to release screen, abort */ 2882 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0) 2883 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n", 2884 SC_DRIVER_NAME, VT_UNIT(vw)); 2885 break; 2886 case VT_TRUE: /* user has released screen, go on */ 2887 /* finish_vt_rel(..., TRUE, ...) should not be locked */ 2888 if (vw->vw_flags & VWF_SWWAIT_REL) { 2889 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0) 2890 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n", 2891 SC_DRIVER_NAME, VT_UNIT(vw)); 2892 } else { 2893 error = EINVAL; 2894 } 2895 return (error); 2896 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 2897 if ((error = finish_vt_acq(vw)) == 0) 2898 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n", 2899 SC_DRIVER_NAME, VT_UNIT(vw)); 2900 break; 2901 default: 2902 break; 2903 } 2904 return (error); 2905 } 2906 2907 return (ENOIOCTL); 2908 } 2909 2910 static struct vt_window * 2911 vt_allocate_window(struct vt_device *vd, unsigned int window) 2912 { 2913 struct vt_window *vw; 2914 struct terminal *tm; 2915 term_pos_t size; 2916 struct winsize wsz; 2917 2918 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO); 2919 vw->vw_device = vd; 2920 vw->vw_number = window; 2921 vw->vw_kbdmode = K_XLATE; 2922 2923 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 2924 vw->vw_font = vtfont_ref(vt_font_assigned); 2925 vt_compute_drawable_area(vw); 2926 } 2927 2928 vt_termsize(vd, vw->vw_font, &size); 2929 vt_winsize(vd, vw->vw_font, &wsz); 2930 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw); 2931 vw->vw_buf.vb_terminal = tm; /* must be set before vtbuf_init() */ 2932 vtbuf_init(&vw->vw_buf, &size); 2933 2934 terminal_set_winsize(tm, &wsz); 2935 vd->vd_windows[window] = vw; 2936 TIMEOUT_TASK_INIT(taskqueue_thread, &vw->vw_timeout_task_dead, 0, &vt_switch_timer, vw); 2937 2938 return (vw); 2939 } 2940 2941 void 2942 vt_upgrade(struct vt_device *vd) 2943 { 2944 struct vt_window *vw; 2945 unsigned int i; 2946 int register_handlers; 2947 2948 if (!vty_enabled(VTY_VT)) 2949 return; 2950 if (main_vd->vd_driver == NULL) 2951 return; 2952 2953 for (i = 0; i < VT_MAXWINDOWS; i++) { 2954 vw = vd->vd_windows[i]; 2955 if (vw == NULL) { 2956 /* New window. */ 2957 vw = vt_allocate_window(vd, i); 2958 } 2959 if (!(vw->vw_flags & VWF_READY)) { 2960 TIMEOUT_TASK_INIT(taskqueue_thread, &vw->vw_timeout_task_dead, 0, &vt_switch_timer, vw); 2961 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw)); 2962 vw->vw_flags |= VWF_READY; 2963 if (vw->vw_flags & VWF_CONSOLE) { 2964 /* For existing console window. */ 2965 EVENTHANDLER_REGISTER(shutdown_pre_sync, 2966 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT); 2967 } 2968 } 2969 } 2970 VT_LOCK(vd); 2971 if (vd->vd_curwindow == NULL) 2972 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW]; 2973 2974 register_handlers = 0; 2975 if (!(vd->vd_flags & VDF_ASYNC)) { 2976 /* Attach keyboard. */ 2977 vt_allocate_keyboard(vd); 2978 2979 /* Init 25 Hz timer. */ 2980 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0); 2981 2982 /* 2983 * Start timer when everything ready. 2984 * Note that the operations here are purposefully ordered. 2985 * We need to ensure vd_timer_armed is non-zero before we set 2986 * the VDF_ASYNC flag. That prevents this function from 2987 * racing with vt_resume_flush_timer() to update the 2988 * callout structure. 2989 */ 2990 atomic_add_acq_int(&vd->vd_timer_armed, 1); 2991 vd->vd_flags |= VDF_ASYNC; 2992 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd); 2993 register_handlers = 1; 2994 } 2995 2996 VT_UNLOCK(vd); 2997 2998 /* Refill settings with new sizes. */ 2999 vt_resize(vd); 3000 3001 if (register_handlers) { 3002 /* Register suspend/resume handlers. */ 3003 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler, 3004 vd, EVENTHANDLER_PRI_ANY); 3005 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd, 3006 EVENTHANDLER_PRI_ANY); 3007 } 3008 } 3009 3010 static void 3011 vt_resize(struct vt_device *vd) 3012 { 3013 struct vt_window *vw; 3014 int i; 3015 3016 for (i = 0; i < VT_MAXWINDOWS; i++) { 3017 vw = vd->vd_windows[i]; 3018 VT_LOCK(vd); 3019 /* Assign default font to window, if not textmode. */ 3020 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL) 3021 vw->vw_font = vtfont_ref(vt_font_assigned); 3022 VT_UNLOCK(vd); 3023 3024 /* Resize terminal windows */ 3025 while (vt_change_font(vw, vw->vw_font) == EBUSY) { 3026 DPRINTF(100, "%s: vt_change_font() is busy, " 3027 "window %d\n", __func__, i); 3028 } 3029 } 3030 } 3031 3032 static void 3033 vt_replace_backend(const struct vt_driver *drv, void *softc) 3034 { 3035 struct vt_device *vd; 3036 3037 vd = main_vd; 3038 3039 if (vd->vd_flags & VDF_ASYNC) { 3040 /* Stop vt_flush periodic task. */ 3041 VT_LOCK(vd); 3042 vt_suspend_flush_timer(vd); 3043 VT_UNLOCK(vd); 3044 /* 3045 * Mute current terminal until we done. vt_change_font (called 3046 * from vt_resize) will unmute it. 3047 */ 3048 terminal_mute(vd->vd_curwindow->vw_terminal, 1); 3049 } 3050 3051 /* 3052 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will 3053 * set it. 3054 */ 3055 VT_LOCK(vd); 3056 vd->vd_flags &= ~VDF_TEXTMODE; 3057 3058 if (drv != NULL) { 3059 /* 3060 * We want to upgrade from the current driver to the 3061 * given driver. 3062 */ 3063 3064 vd->vd_prev_driver = vd->vd_driver; 3065 vd->vd_prev_softc = vd->vd_softc; 3066 vd->vd_driver = drv; 3067 vd->vd_softc = softc; 3068 3069 vd->vd_driver->vd_init(vd); 3070 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) { 3071 /* 3072 * No driver given: we want to downgrade to the previous 3073 * driver. 3074 */ 3075 const struct vt_driver *old_drv; 3076 void *old_softc; 3077 3078 old_drv = vd->vd_driver; 3079 old_softc = vd->vd_softc; 3080 3081 vd->vd_driver = vd->vd_prev_driver; 3082 vd->vd_softc = vd->vd_prev_softc; 3083 vd->vd_prev_driver = NULL; 3084 vd->vd_prev_softc = NULL; 3085 3086 vd->vd_flags |= VDF_DOWNGRADE; 3087 3088 vd->vd_driver->vd_init(vd); 3089 3090 if (old_drv->vd_fini) 3091 old_drv->vd_fini(vd, old_softc); 3092 3093 vd->vd_flags &= ~VDF_DOWNGRADE; 3094 } 3095 3096 VT_UNLOCK(vd); 3097 3098 /* Update windows sizes and initialize last items. */ 3099 vt_upgrade(vd); 3100 3101 #ifdef DEV_SPLASH 3102 if (vd->vd_flags & VDF_SPLASH) 3103 vtterm_splash(vd); 3104 #endif 3105 3106 if (vd->vd_flags & VDF_ASYNC) { 3107 /* Allow to put chars now. */ 3108 terminal_mute(vd->vd_curwindow->vw_terminal, 0); 3109 /* Rerun timer for screen updates. */ 3110 vt_resume_flush_timer(vd->vd_curwindow, 0); 3111 } 3112 3113 /* 3114 * Register as console. If it already registered, cnadd() will ignore 3115 * it. 3116 */ 3117 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal); 3118 } 3119 3120 static void 3121 vt_suspend_handler(void *priv) 3122 { 3123 struct vt_device *vd; 3124 3125 vd = priv; 3126 vd->vd_flags |= VDF_SUSPENDED; 3127 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL) 3128 vd->vd_driver->vd_suspend(vd); 3129 } 3130 3131 static void 3132 vt_resume_handler(void *priv) 3133 { 3134 struct vt_device *vd; 3135 3136 vd = priv; 3137 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL) 3138 vd->vd_driver->vd_resume(vd); 3139 vd->vd_flags &= ~VDF_SUSPENDED; 3140 } 3141 3142 int 3143 vt_allocate(const struct vt_driver *drv, void *softc) 3144 { 3145 3146 if (!vty_enabled(VTY_VT)) 3147 return (EINVAL); 3148 3149 if (main_vd->vd_driver == NULL) { 3150 main_vd->vd_driver = drv; 3151 printf("VT: initialize with new VT driver \"%s\".\n", 3152 drv->vd_name); 3153 } else { 3154 /* 3155 * Check if have rights to replace current driver. For example: 3156 * it is bad idea to replace KMS driver with generic VGA one. 3157 */ 3158 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) { 3159 printf("VT: Driver priority %d too low. Current %d\n ", 3160 drv->vd_priority, main_vd->vd_driver->vd_priority); 3161 return (EEXIST); 3162 } 3163 printf("VT: Replacing driver \"%s\" with new \"%s\".\n", 3164 main_vd->vd_driver->vd_name, drv->vd_name); 3165 } 3166 3167 vt_replace_backend(drv, softc); 3168 3169 return (0); 3170 } 3171 3172 int 3173 vt_deallocate(const struct vt_driver *drv, void *softc) 3174 { 3175 3176 if (!vty_enabled(VTY_VT)) 3177 return (EINVAL); 3178 3179 if (main_vd->vd_prev_driver == NULL || 3180 main_vd->vd_driver != drv || 3181 main_vd->vd_softc != softc) 3182 return (EPERM); 3183 3184 printf("VT: Switching back from \"%s\" to \"%s\".\n", 3185 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name); 3186 3187 vt_replace_backend(NULL, NULL); 3188 3189 return (0); 3190 } 3191 3192 void 3193 vt_suspend(struct vt_device *vd) 3194 { 3195 int error; 3196 3197 if (vt_suspendswitch == 0) 3198 return; 3199 /* Save current window. */ 3200 vd->vd_savedwindow = vd->vd_curwindow; 3201 /* Ask holding process to free window and switch to console window */ 3202 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]); 3203 3204 /* Wait for the window switch to complete. */ 3205 error = 0; 3206 VT_LOCK(vd); 3207 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0) 3208 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 3209 VT_UNLOCK(vd); 3210 } 3211 3212 void 3213 vt_resume(struct vt_device *vd) 3214 { 3215 3216 if (vt_suspendswitch == 0) 3217 return; 3218 /* Switch back to saved window, if any */ 3219 vt_proc_window_switch(vd->vd_savedwindow); 3220 vd->vd_savedwindow = NULL; 3221 } 3222