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 /* 599 * Nothing to do, except ensure the driver has the opportunity to 600 * switch to console mode when panicking, making sure the panic 601 * is readable (even when a GUI was using ttyv0). 602 */ 603 if ((kdb_active || panicstr) && vd->vd_driver->vd_postswitch) 604 vd->vd_driver->vd_postswitch(vd); 605 VT_UNLOCK(vd); 606 return (0); 607 } 608 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) { 609 VT_UNLOCK(vd); 610 return (EINVAL); 611 } 612 613 vt_suspend_flush_timer(vd); 614 615 vd->vd_curwindow = vw; 616 vd->vd_flags |= VDF_INVALID; 617 cv_broadcast(&vd->vd_winswitch); 618 VT_UNLOCK(vd); 619 620 if (vd->vd_driver->vd_postswitch) 621 vd->vd_driver->vd_postswitch(vd); 622 623 vt_resume_flush_timer(vw, 0); 624 625 /* Restore per-window keyboard mode. */ 626 mtx_lock(&Giant); 627 if ((kbd = vd->vd_keyboard) != NULL) { 628 if (curvw->vw_kbdmode == K_XLATE) 629 vt_save_kbd_state(curvw, kbd); 630 631 vt_update_kbd_mode(vw, kbd); 632 vt_update_kbd_state(vw, kbd); 633 } 634 mtx_unlock(&Giant); 635 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number); 636 637 return (0); 638 } 639 640 void 641 vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size) 642 { 643 644 size->tp_row = vd->vd_height; 645 if (vt_draw_logo_cpus) 646 size->tp_row -= vt_logo_sprite_height; 647 size->tp_col = vd->vd_width; 648 if (vf != NULL) { 649 size->tp_row = MIN(size->tp_row / vf->vf_height, 650 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 651 size->tp_col = MIN(size->tp_col / vf->vf_width, 652 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 653 } 654 } 655 656 static inline void 657 vt_termrect(struct vt_device *vd, struct vt_font *vf, term_rect_t *rect) 658 { 659 660 rect->tr_begin.tp_row = rect->tr_begin.tp_col = 0; 661 if (vt_draw_logo_cpus) 662 rect->tr_begin.tp_row = vt_logo_sprite_height; 663 664 rect->tr_end.tp_row = vd->vd_height; 665 rect->tr_end.tp_col = vd->vd_width; 666 667 if (vf != NULL) { 668 rect->tr_begin.tp_row = 669 howmany(rect->tr_begin.tp_row, vf->vf_height); 670 671 rect->tr_end.tp_row = MIN(rect->tr_end.tp_row / vf->vf_height, 672 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 673 rect->tr_end.tp_col = MIN(rect->tr_end.tp_col / vf->vf_width, 674 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 675 } 676 } 677 678 void 679 vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size) 680 { 681 682 size->ws_ypixel = vd->vd_height; 683 if (vt_draw_logo_cpus) 684 size->ws_ypixel -= vt_logo_sprite_height; 685 size->ws_row = size->ws_ypixel; 686 size->ws_col = size->ws_xpixel = vd->vd_width; 687 if (vf != NULL) { 688 size->ws_row = MIN(size->ws_row / vf->vf_height, 689 PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)); 690 size->ws_col = MIN(size->ws_col / vf->vf_width, 691 PIXEL_WIDTH(VT_FB_MAX_WIDTH)); 692 } 693 } 694 695 void 696 vt_compute_drawable_area(struct vt_window *vw) 697 { 698 struct vt_device *vd; 699 struct vt_font *vf; 700 vt_axis_t height; 701 702 vd = vw->vw_device; 703 704 if (vw->vw_font == NULL) { 705 vw->vw_draw_area.tr_begin.tp_col = 0; 706 vw->vw_draw_area.tr_begin.tp_row = 0; 707 if (vt_draw_logo_cpus) 708 vw->vw_draw_area.tr_begin.tp_row = vt_logo_sprite_height; 709 vw->vw_draw_area.tr_end.tp_col = vd->vd_width; 710 vw->vw_draw_area.tr_end.tp_row = vd->vd_height; 711 return; 712 } 713 714 vf = vw->vw_font; 715 716 /* 717 * Compute the drawable area, so that the text is centered on 718 * the screen. 719 */ 720 721 height = vd->vd_height; 722 if (vt_draw_logo_cpus) 723 height -= vt_logo_sprite_height; 724 vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2; 725 vw->vw_draw_area.tr_begin.tp_row = (height % vf->vf_height) / 2; 726 if (vt_draw_logo_cpus) 727 vw->vw_draw_area.tr_begin.tp_row += vt_logo_sprite_height; 728 vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col + 729 rounddown(vd->vd_width, vf->vf_width); 730 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row + 731 rounddown(height, vf->vf_height); 732 } 733 734 static void 735 vt_scroll(struct vt_window *vw, int offset, int whence) 736 { 737 int diff; 738 term_pos_t size; 739 740 if ((vw->vw_flags & VWF_SCROLL) == 0) 741 return; 742 743 vt_termsize(vw->vw_device, vw->vw_font, &size); 744 745 diff = vthistory_seek(&vw->vw_buf, offset, whence); 746 if (diff) 747 vw->vw_device->vd_flags |= VDF_INVALID; 748 vt_resume_flush_timer(vw, 0); 749 } 750 751 static int 752 vt_machine_kbdevent(struct vt_device *vd, int c) 753 { 754 755 switch (c) { 756 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */ 757 if (vt_kbd_debug) { 758 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger"); 759 #if VT_ALT_TO_ESC_HACK 760 /* 761 * There's an unfortunate conflict between SPCLKEY|DBG 762 * and VT_ALT_TO_ESC_HACK. Just assume they didn't mean 763 * it if we got to here. 764 */ 765 vd->vd_kbstate &= ~ALKED; 766 #endif 767 } 768 return (1); 769 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */ 770 if (vt_kbd_halt) 771 shutdown_nice(RB_HALT); 772 return (1); 773 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */ 774 #ifndef SC_NO_CUTPASTE 775 /* Insert text from cut-paste buffer. */ 776 vt_mouse_paste(); 777 #endif 778 break; 779 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */ 780 if (vt_kbd_poweroff) 781 shutdown_nice(RB_HALT|RB_POWEROFF); 782 return (1); 783 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */ 784 /* 785 * Request to immediate panic if sysctl 786 * kern.vt.enable_panic_key allow it. 787 */ 788 if (vt_kbd_panic) 789 panic("Forced by the panic key"); 790 return (1); 791 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */ 792 if (vt_kbd_reboot) 793 shutdown_nice(RB_AUTOBOOT); 794 return (1); 795 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */ 796 /* Force activatation/deactivation of the screen saver. */ 797 /* TODO */ 798 return (1); 799 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */ 800 /* Put machine into Stand-By mode. */ 801 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 802 return (1); 803 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */ 804 /* Suspend machine. */ 805 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 806 return (1); 807 } 808 809 return (0); 810 } 811 812 static void 813 vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console) 814 { 815 struct vt_device *vd; 816 term_pos_t size; 817 818 vd = vw->vw_device; 819 /* Only special keys handled in ScrollLock mode */ 820 if ((c & SPCLKEY) == 0) 821 return; 822 823 c &= ~SPCLKEY; 824 825 if (console == 0) { 826 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 827 vw = vd->vd_windows[c - F_SCR]; 828 vt_proc_window_switch(vw); 829 return; 830 } 831 VT_LOCK(vd); 832 } 833 834 switch (c) { 835 case SLK: { 836 /* Turn scrolling off. */ 837 vt_scroll(vw, 0, VHS_END); 838 VTBUF_SLCK_DISABLE(&vw->vw_buf); 839 vw->vw_flags &= ~VWF_SCROLL; 840 break; 841 } 842 case FKEY | F(49): /* Home key. */ 843 vt_scroll(vw, 0, VHS_SET); 844 break; 845 case FKEY | F(50): /* Arrow up. */ 846 vt_scroll(vw, -1, VHS_CUR); 847 break; 848 case FKEY | F(51): /* Page up. */ 849 vt_termsize(vd, vw->vw_font, &size); 850 vt_scroll(vw, -size.tp_row, VHS_CUR); 851 break; 852 case FKEY | F(57): /* End key. */ 853 vt_scroll(vw, 0, VHS_END); 854 break; 855 case FKEY | F(58): /* Arrow down. */ 856 vt_scroll(vw, 1, VHS_CUR); 857 break; 858 case FKEY | F(59): /* Page down. */ 859 vt_termsize(vd, vw->vw_font, &size); 860 vt_scroll(vw, size.tp_row, VHS_CUR); 861 break; 862 } 863 864 if (console == 0) 865 VT_UNLOCK(vd); 866 } 867 868 static int 869 vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c) 870 { 871 struct vt_window *vw = vd->vd_curwindow; 872 873 random_harvest_queue(&c, sizeof(c), RANDOM_KEYBOARD); 874 #if VT_ALT_TO_ESC_HACK 875 if (c & RELKEY) { 876 switch (c & ~RELKEY) { 877 case (SPCLKEY | RALT): 878 if (vt_enable_altgr != 0) 879 break; 880 case (SPCLKEY | LALT): 881 vd->vd_kbstate &= ~ALKED; 882 } 883 /* Other keys ignored for RELKEY event. */ 884 return (0); 885 } else { 886 switch (c & ~RELKEY) { 887 case (SPCLKEY | RALT): 888 if (vt_enable_altgr != 0) 889 break; 890 case (SPCLKEY | LALT): 891 vd->vd_kbstate |= ALKED; 892 } 893 } 894 #else 895 if (c & RELKEY) 896 /* Other keys ignored for RELKEY event. */ 897 return (0); 898 #endif 899 900 if (vt_machine_kbdevent(vd, c)) 901 return (0); 902 903 if (vw->vw_flags & VWF_SCROLL) { 904 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */); 905 /* Scroll mode keys handled, nothing to do more. */ 906 return (0); 907 } 908 909 if (c & SPCLKEY) { 910 c &= ~SPCLKEY; 911 912 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 913 vw = vd->vd_windows[c - F_SCR]; 914 vt_proc_window_switch(vw); 915 return (0); 916 } 917 918 switch (c) { 919 case NEXT: 920 /* Switch to next VT. */ 921 c = (vw->vw_number + 1) % VT_MAXWINDOWS; 922 vw = vd->vd_windows[c]; 923 vt_proc_window_switch(vw); 924 return (0); 925 case PREV: 926 /* Switch to previous VT. */ 927 c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS; 928 vw = vd->vd_windows[c]; 929 vt_proc_window_switch(vw); 930 return (0); 931 case SLK: { 932 vt_save_kbd_state(vw, kbd); 933 VT_LOCK(vd); 934 if (vw->vw_kbdstate & SLKED) { 935 /* Turn scrolling on. */ 936 vw->vw_flags |= VWF_SCROLL; 937 VTBUF_SLCK_ENABLE(&vw->vw_buf); 938 } else { 939 /* Turn scrolling off. */ 940 vw->vw_flags &= ~VWF_SCROLL; 941 VTBUF_SLCK_DISABLE(&vw->vw_buf); 942 vt_scroll(vw, 0, VHS_END); 943 } 944 VT_UNLOCK(vd); 945 break; 946 } 947 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3): 948 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6): 949 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9): 950 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12): 951 /* F1 through F12 keys. */ 952 terminal_input_special(vw->vw_terminal, 953 TKEY_F1 + c - (FKEY | F(1))); 954 break; 955 case FKEY | F(49): /* Home key. */ 956 terminal_input_special(vw->vw_terminal, TKEY_HOME); 957 break; 958 case FKEY | F(50): /* Arrow up. */ 959 terminal_input_special(vw->vw_terminal, TKEY_UP); 960 break; 961 case FKEY | F(51): /* Page up. */ 962 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP); 963 break; 964 case FKEY | F(53): /* Arrow left. */ 965 terminal_input_special(vw->vw_terminal, TKEY_LEFT); 966 break; 967 case FKEY | F(55): /* Arrow right. */ 968 terminal_input_special(vw->vw_terminal, TKEY_RIGHT); 969 break; 970 case FKEY | F(57): /* End key. */ 971 terminal_input_special(vw->vw_terminal, TKEY_END); 972 break; 973 case FKEY | F(58): /* Arrow down. */ 974 terminal_input_special(vw->vw_terminal, TKEY_DOWN); 975 break; 976 case FKEY | F(59): /* Page down. */ 977 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN); 978 break; 979 case FKEY | F(60): /* Insert key. */ 980 terminal_input_special(vw->vw_terminal, TKEY_INSERT); 981 break; 982 case FKEY | F(61): /* Delete key. */ 983 terminal_input_special(vw->vw_terminal, TKEY_DELETE); 984 break; 985 } 986 } else if (KEYFLAGS(c) == 0) { 987 /* Don't do UTF-8 conversion when doing raw mode. */ 988 if (vw->vw_kbdmode == K_XLATE) { 989 #if VT_ALT_TO_ESC_HACK 990 if (vd->vd_kbstate & ALKED) { 991 /* 992 * Prepend ESC sequence if one of ALT keys down. 993 */ 994 terminal_input_char(vw->vw_terminal, 0x1b); 995 } 996 #endif 997 #if defined(KDB) 998 kdb_alt_break(c, &vd->vd_altbrk); 999 #endif 1000 terminal_input_char(vw->vw_terminal, KEYCHAR(c)); 1001 } else 1002 terminal_input_raw(vw->vw_terminal, c); 1003 } 1004 return (0); 1005 } 1006 1007 static int 1008 vt_kbdevent(keyboard_t *kbd, int event, void *arg) 1009 { 1010 struct vt_device *vd = arg; 1011 int c; 1012 1013 switch (event) { 1014 case KBDIO_KEYINPUT: 1015 break; 1016 case KBDIO_UNLOADING: 1017 mtx_lock(&Giant); 1018 vd->vd_keyboard = NULL; 1019 kbd_release(kbd, (void *)vd); 1020 mtx_unlock(&Giant); 1021 return (0); 1022 default: 1023 return (EINVAL); 1024 } 1025 1026 while ((c = kbdd_read_char(kbd, 0)) != NOKEY) 1027 vt_processkey(kbd, vd, c); 1028 1029 return (0); 1030 } 1031 1032 static int 1033 vt_allocate_keyboard(struct vt_device *vd) 1034 { 1035 int grabbed, i, idx0, idx; 1036 keyboard_t *k0, *k; 1037 keyboard_info_t ki; 1038 1039 /* 1040 * If vt_upgrade() happens while the console is grabbed, we are 1041 * potentially going to switch keyboard devices while the keyboard is in 1042 * use. Unwind the grabbing of the current keyboard first, then we will 1043 * re-grab the new keyboard below, before we return. 1044 */ 1045 if (vd->vd_curwindow == &vt_conswindow) { 1046 grabbed = vd->vd_curwindow->vw_grabbed; 1047 for (i = 0; i < grabbed; ++i) 1048 vtterm_cnungrab_noswitch(vd, vd->vd_curwindow); 1049 } 1050 1051 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd); 1052 if (idx0 >= 0) { 1053 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0); 1054 k0 = kbd_get_keyboard(idx0); 1055 1056 for (idx = kbd_find_keyboard2("*", -1, 0); 1057 idx != -1; 1058 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 1059 k = kbd_get_keyboard(idx); 1060 1061 if (idx == idx0 || KBD_IS_BUSY(k)) 1062 continue; 1063 1064 bzero(&ki, sizeof(ki)); 1065 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name)); 1066 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0'; 1067 ki.kb_unit = k->kb_unit; 1068 1069 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 1070 } 1071 } else { 1072 DPRINTF(20, "%s: no kbdmux allocated\n", __func__); 1073 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd); 1074 if (idx0 < 0) { 1075 DPRINTF(10, "%s: No keyboard found.\n", __func__); 1076 return (-1); 1077 } 1078 k0 = kbd_get_keyboard(idx0); 1079 } 1080 vd->vd_keyboard = k0; 1081 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, 1082 vd->vd_keyboard->kb_index); 1083 1084 if (vd->vd_curwindow == &vt_conswindow) { 1085 for (i = 0; i < grabbed; ++i) 1086 vtterm_cngrab_noswitch(vd, vd->vd_curwindow); 1087 } 1088 1089 return (idx0); 1090 } 1091 1092 static void 1093 vtterm_bell(struct terminal *tm) 1094 { 1095 struct vt_window *vw = tm->tm_softc; 1096 struct vt_device *vd = vw->vw_device; 1097 1098 if (!vt_enable_bell) 1099 return; 1100 1101 if (vd->vd_flags & VDF_QUIET_BELL) 1102 return; 1103 1104 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION); 1105 } 1106 1107 static void 1108 vtterm_beep(struct terminal *tm, u_int param) 1109 { 1110 u_int freq, period; 1111 1112 if (!vt_enable_bell) 1113 return; 1114 1115 if ((param == 0) || ((param & 0xffff) == 0)) { 1116 vtterm_bell(tm); 1117 return; 1118 } 1119 1120 period = ((param >> 16) & 0xffff) * hz / 1000; 1121 freq = 1193182 / (param & 0xffff); 1122 1123 sysbeep(freq, period); 1124 } 1125 1126 static void 1127 vtterm_cursor(struct terminal *tm, const term_pos_t *p) 1128 { 1129 struct vt_window *vw = tm->tm_softc; 1130 1131 vtbuf_cursor_position(&vw->vw_buf, p); 1132 } 1133 1134 static void 1135 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c) 1136 { 1137 struct vt_window *vw = tm->tm_softc; 1138 1139 vtbuf_putchar(&vw->vw_buf, p, c); 1140 } 1141 1142 static void 1143 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c) 1144 { 1145 struct vt_window *vw = tm->tm_softc; 1146 1147 vtbuf_fill(&vw->vw_buf, r, c); 1148 } 1149 1150 static void 1151 vtterm_copy(struct terminal *tm, const term_rect_t *r, 1152 const term_pos_t *p) 1153 { 1154 struct vt_window *vw = tm->tm_softc; 1155 1156 vtbuf_copy(&vw->vw_buf, r, p); 1157 } 1158 1159 static void 1160 vtterm_param(struct terminal *tm, int cmd, unsigned int arg) 1161 { 1162 struct vt_window *vw = tm->tm_softc; 1163 1164 switch (cmd) { 1165 case TP_SETLOCALCURSOR: 1166 /* 1167 * 0 means normal (usually block), 1 means hidden, and 1168 * 2 means blinking (always block) for compatibility with 1169 * syscons. We don't support any changes except hiding, 1170 * so must map 2 to 0. 1171 */ 1172 arg = (arg == 1) ? 0 : 1; 1173 /* FALLTHROUGH */ 1174 case TP_SHOWCURSOR: 1175 vtbuf_cursor_visibility(&vw->vw_buf, arg); 1176 vt_resume_flush_timer(vw, 0); 1177 break; 1178 case TP_MOUSE: 1179 vw->vw_mouse_level = arg; 1180 break; 1181 } 1182 } 1183 1184 void 1185 vt_determine_colors(term_char_t c, int cursor, 1186 term_color_t *fg, term_color_t *bg) 1187 { 1188 term_color_t tmp; 1189 int invert; 1190 1191 invert = 0; 1192 1193 *fg = TCHAR_FGCOLOR(c); 1194 if (TCHAR_FORMAT(c) & TF_BOLD) 1195 *fg = TCOLOR_LIGHT(*fg); 1196 *bg = TCHAR_BGCOLOR(c); 1197 if (TCHAR_FORMAT(c) & TF_BLINK) 1198 *bg = TCOLOR_LIGHT(*bg); 1199 1200 if (TCHAR_FORMAT(c) & TF_REVERSE) 1201 invert ^= 1; 1202 if (cursor) 1203 invert ^= 1; 1204 1205 if (invert) { 1206 tmp = *fg; 1207 *fg = *bg; 1208 *bg = tmp; 1209 } 1210 } 1211 1212 #ifndef SC_NO_CUTPASTE 1213 int 1214 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area) 1215 { 1216 unsigned int mx, my; 1217 1218 /* 1219 * We use the cursor position saved during the current refresh, 1220 * in case the cursor moved since. 1221 */ 1222 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col; 1223 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row; 1224 1225 if (mx >= area->tr_end.tp_col || 1226 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col || 1227 my >= area->tr_end.tp_row || 1228 my + vd->vd_mcursor->height <= area->tr_begin.tp_row) 1229 return (0); 1230 return (1); 1231 } 1232 1233 static void 1234 vt_mark_mouse_position_as_dirty(struct vt_device *vd, int locked) 1235 { 1236 term_rect_t area; 1237 struct vt_window *vw; 1238 struct vt_font *vf; 1239 int x, y; 1240 1241 vw = vd->vd_curwindow; 1242 vf = vw->vw_font; 1243 1244 x = vd->vd_mx_drawn; 1245 y = vd->vd_my_drawn; 1246 1247 if (vf != NULL) { 1248 area.tr_begin.tp_col = x / vf->vf_width; 1249 area.tr_begin.tp_row = y / vf->vf_height; 1250 area.tr_end.tp_col = 1251 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1; 1252 area.tr_end.tp_row = 1253 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1; 1254 } else { 1255 /* 1256 * No font loaded (ie. vt_vga operating in textmode). 1257 * 1258 * FIXME: This fake area needs to be revisited once the 1259 * mouse cursor is supported in vt_vga's textmode. 1260 */ 1261 area.tr_begin.tp_col = x; 1262 area.tr_begin.tp_row = y; 1263 area.tr_end.tp_col = x + 2; 1264 area.tr_end.tp_row = y + 2; 1265 } 1266 1267 if (!locked) 1268 vtbuf_lock(&vw->vw_buf); 1269 if (vd->vd_driver->vd_invalidate_text) 1270 vd->vd_driver->vd_invalidate_text(vd, &area); 1271 vtbuf_dirty(&vw->vw_buf, &area); 1272 if (!locked) 1273 vtbuf_unlock(&vw->vw_buf); 1274 } 1275 #endif 1276 1277 static void 1278 vt_set_border(struct vt_device *vd, const term_rect_t *area, 1279 term_color_t c) 1280 { 1281 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect; 1282 1283 if (drawrect == NULL) 1284 return; 1285 1286 /* Top bar */ 1287 if (area->tr_begin.tp_row > 0) 1288 drawrect(vd, 0, 0, vd->vd_width - 1, 1289 area->tr_begin.tp_row - 1, 1, c); 1290 1291 /* Left bar */ 1292 if (area->tr_begin.tp_col > 0) 1293 drawrect(vd, 0, area->tr_begin.tp_row, 1294 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c); 1295 1296 /* Right bar */ 1297 if (area->tr_end.tp_col < vd->vd_width) 1298 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row, 1299 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c); 1300 1301 /* Bottom bar */ 1302 if (area->tr_end.tp_row < vd->vd_height) 1303 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1, 1304 vd->vd_height - 1, 1, c); 1305 } 1306 1307 static int 1308 vt_flush(struct vt_device *vd) 1309 { 1310 struct vt_window *vw; 1311 struct vt_font *vf; 1312 term_rect_t tarea; 1313 #ifndef SC_NO_CUTPASTE 1314 int cursor_was_shown, cursor_moved; 1315 #endif 1316 1317 vw = vd->vd_curwindow; 1318 if (vw == NULL) 1319 return (0); 1320 1321 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY) 1322 return (0); 1323 1324 vf = vw->vw_font; 1325 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL)) 1326 return (0); 1327 1328 vtbuf_lock(&vw->vw_buf); 1329 1330 #ifndef SC_NO_CUTPASTE 1331 cursor_was_shown = vd->vd_mshown; 1332 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn || 1333 vd->vd_my != vd->vd_my_drawn); 1334 1335 /* Check if the cursor should be displayed or not. */ 1336 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */ 1337 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */ 1338 !kdb_active && !KERNEL_PANICKED()) { /* DDB inactive. */ 1339 vd->vd_mshown = 1; 1340 } else { 1341 vd->vd_mshown = 0; 1342 } 1343 1344 /* 1345 * If the cursor changed display state or moved, we must mark 1346 * the old position as dirty, so that it's erased. 1347 */ 1348 if (cursor_was_shown != vd->vd_mshown || 1349 (vd->vd_mshown && cursor_moved)) 1350 vt_mark_mouse_position_as_dirty(vd, true); 1351 1352 /* 1353 * Save position of the mouse cursor. It's used by backends to 1354 * know where to draw the cursor and during the next refresh to 1355 * erase the previous position. 1356 */ 1357 vd->vd_mx_drawn = vd->vd_mx; 1358 vd->vd_my_drawn = vd->vd_my; 1359 1360 /* 1361 * If the cursor is displayed and has moved since last refresh, 1362 * mark the new position as dirty. 1363 */ 1364 if (vd->vd_mshown && cursor_moved) 1365 vt_mark_mouse_position_as_dirty(vd, true); 1366 #endif 1367 1368 vtbuf_undirty(&vw->vw_buf, &tarea); 1369 1370 /* Force a full redraw when the screen contents might be invalid. */ 1371 if (vd->vd_flags & (VDF_INVALID | VDF_SUSPENDED)) { 1372 const teken_attr_t *a; 1373 1374 vd->vd_flags &= ~VDF_INVALID; 1375 1376 a = teken_get_curattr(&vw->vw_terminal->tm_emulator); 1377 vt_set_border(vd, &vw->vw_draw_area, a->ta_bgcolor); 1378 vt_termrect(vd, vf, &tarea); 1379 if (vd->vd_driver->vd_invalidate_text) 1380 vd->vd_driver->vd_invalidate_text(vd, &tarea); 1381 if (vt_draw_logo_cpus) 1382 vtterm_draw_cpu_logos(vd); 1383 } 1384 1385 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) { 1386 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea); 1387 vtbuf_unlock(&vw->vw_buf); 1388 return (1); 1389 } 1390 1391 vtbuf_unlock(&vw->vw_buf); 1392 return (0); 1393 } 1394 1395 static void 1396 vt_timer(void *arg) 1397 { 1398 struct vt_device *vd; 1399 int changed; 1400 1401 vd = arg; 1402 /* Update screen if required. */ 1403 changed = vt_flush(vd); 1404 1405 /* Schedule for next update. */ 1406 if (changed) 1407 vt_schedule_flush(vd, 0); 1408 else 1409 vd->vd_timer_armed = 0; 1410 } 1411 1412 static void 1413 vtterm_pre_input(struct terminal *tm) 1414 { 1415 struct vt_window *vw = tm->tm_softc; 1416 1417 vtbuf_lock(&vw->vw_buf); 1418 } 1419 1420 static void 1421 vtterm_post_input(struct terminal *tm) 1422 { 1423 struct vt_window *vw = tm->tm_softc; 1424 1425 vtbuf_unlock(&vw->vw_buf); 1426 vt_resume_flush_timer(vw, 0); 1427 } 1428 1429 static void 1430 vtterm_done(struct terminal *tm) 1431 { 1432 struct vt_window *vw = tm->tm_softc; 1433 struct vt_device *vd = vw->vw_device; 1434 1435 if (kdb_active || KERNEL_PANICKED()) { 1436 /* Switch to the debugger. */ 1437 if (vd->vd_curwindow != vw) { 1438 vd->vd_curwindow = vw; 1439 vd->vd_flags |= VDF_INVALID; 1440 if (vd->vd_driver->vd_postswitch) 1441 vd->vd_driver->vd_postswitch(vd); 1442 } 1443 vd->vd_flags &= ~VDF_SPLASH; 1444 vt_flush(vd); 1445 } else if (!(vd->vd_flags & VDF_ASYNC)) { 1446 vt_flush(vd); 1447 } 1448 } 1449 1450 #ifdef DEV_SPLASH 1451 static void 1452 vtterm_splash(struct vt_device *vd) 1453 { 1454 vt_axis_t top, left; 1455 1456 /* Display a nice boot splash. */ 1457 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) { 1458 top = (vd->vd_height - vt_logo_height) / 2; 1459 left = (vd->vd_width - vt_logo_width) / 2; 1460 switch (vt_logo_depth) { 1461 case 1: 1462 /* XXX: Unhardcode colors! */ 1463 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow, 1464 vt_logo_image, NULL, vt_logo_width, vt_logo_height, 1465 left, top, TC_WHITE, TC_BLACK); 1466 } 1467 vd->vd_flags |= VDF_SPLASH; 1468 } 1469 } 1470 #endif 1471 1472 static struct vt_font * 1473 parse_font_info_static(struct font_info *fi) 1474 { 1475 struct vt_font *vfp; 1476 uintptr_t ptr; 1477 uint32_t checksum; 1478 1479 if (fi == NULL) 1480 return (NULL); 1481 1482 ptr = (uintptr_t)fi; 1483 /* 1484 * Compute and verify checksum. The total sum of all the fields 1485 * must be 0. 1486 */ 1487 checksum = fi->fi_width; 1488 checksum += fi->fi_height; 1489 checksum += fi->fi_bitmap_size; 1490 for (unsigned i = 0; i < VFNT_MAPS; i++) 1491 checksum += fi->fi_map_count[i]; 1492 1493 if (checksum + fi->fi_checksum != 0) 1494 return (NULL); 1495 1496 ptr += sizeof(struct font_info); 1497 ptr = roundup2(ptr, 8); 1498 1499 vfp = &vt_font_loader; 1500 vfp->vf_height = fi->fi_height; 1501 vfp->vf_width = fi->fi_width; 1502 /* This is default font, set refcount 1 to disable removal. */ 1503 vfp->vf_refcount = 1; 1504 for (unsigned i = 0; i < VFNT_MAPS; i++) { 1505 if (fi->fi_map_count[i] == 0) 1506 continue; 1507 vfp->vf_map_count[i] = fi->fi_map_count[i]; 1508 vfp->vf_map[i] = (vfnt_map_t *)ptr; 1509 ptr += (fi->fi_map_count[i] * sizeof(vfnt_map_t)); 1510 ptr = roundup2(ptr, 8); 1511 } 1512 vfp->vf_bytes = (uint8_t *)ptr; 1513 return (vfp); 1514 } 1515 1516 /* 1517 * Set up default font with allocated data structures. 1518 * However, we can not set refcount here, because it is already set and 1519 * incremented in vtterm_cnprobe() to avoid being released by font load from 1520 * userland. 1521 */ 1522 static struct vt_font * 1523 parse_font_info(struct font_info *fi) 1524 { 1525 struct vt_font *vfp; 1526 uintptr_t ptr; 1527 uint32_t checksum; 1528 size_t size; 1529 1530 if (fi == NULL) 1531 return (NULL); 1532 1533 ptr = (uintptr_t)fi; 1534 /* 1535 * Compute and verify checksum. The total sum of all the fields 1536 * must be 0. 1537 */ 1538 checksum = fi->fi_width; 1539 checksum += fi->fi_height; 1540 checksum += fi->fi_bitmap_size; 1541 for (unsigned i = 0; i < VFNT_MAPS; i++) 1542 checksum += fi->fi_map_count[i]; 1543 1544 if (checksum + fi->fi_checksum != 0) 1545 return (NULL); 1546 1547 ptr += sizeof(struct font_info); 1548 ptr = roundup2(ptr, 8); 1549 1550 vfp = &vt_font_loader; 1551 vfp->vf_height = fi->fi_height; 1552 vfp->vf_width = fi->fi_width; 1553 for (unsigned i = 0; i < VFNT_MAPS; i++) { 1554 if (fi->fi_map_count[i] == 0) 1555 continue; 1556 vfp->vf_map_count[i] = fi->fi_map_count[i]; 1557 size = fi->fi_map_count[i] * sizeof(vfnt_map_t); 1558 vfp->vf_map[i] = malloc(size, M_VT, M_WAITOK | M_ZERO); 1559 bcopy((vfnt_map_t *)ptr, vfp->vf_map[i], size); 1560 ptr += size; 1561 ptr = roundup2(ptr, 8); 1562 } 1563 vfp->vf_bytes = malloc(fi->fi_bitmap_size, M_VT, M_WAITOK | M_ZERO); 1564 bcopy((uint8_t *)ptr, vfp->vf_bytes, fi->fi_bitmap_size); 1565 return (vfp); 1566 } 1567 1568 static void 1569 vt_init_font(void *arg) 1570 { 1571 caddr_t kmdp; 1572 struct font_info *fi; 1573 struct vt_font *font; 1574 1575 kmdp = preload_search_by_type("elf kernel"); 1576 if (kmdp == NULL) 1577 kmdp = preload_search_by_type("elf64 kernel"); 1578 fi = MD_FETCH(kmdp, MODINFOMD_FONT, struct font_info *); 1579 1580 font = parse_font_info(fi); 1581 if (font != NULL) 1582 vt_font_assigned = font; 1583 } 1584 1585 SYSINIT(vt_init_font, SI_SUB_KMEM, SI_ORDER_ANY, vt_init_font, &vt_consdev); 1586 1587 static void 1588 vt_init_font_static(void) 1589 { 1590 caddr_t kmdp; 1591 struct font_info *fi; 1592 struct vt_font *font; 1593 1594 kmdp = preload_search_by_type("elf kernel"); 1595 if (kmdp == NULL) 1596 kmdp = preload_search_by_type("elf64 kernel"); 1597 fi = MD_FETCH(kmdp, MODINFOMD_FONT, struct font_info *); 1598 1599 font = parse_font_info_static(fi); 1600 if (font != NULL) 1601 vt_font_assigned = font; 1602 } 1603 1604 static void 1605 vtterm_cnprobe(struct terminal *tm, struct consdev *cp) 1606 { 1607 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL; 1608 struct vt_window *vw = tm->tm_softc; 1609 struct vt_device *vd = vw->vw_device; 1610 struct winsize wsz; 1611 const term_attr_t *a; 1612 1613 if (!vty_enabled(VTY_VT)) 1614 return; 1615 1616 if (vd->vd_flags & VDF_INITIALIZED) 1617 /* Initialization already done. */ 1618 return; 1619 1620 SET_FOREACH(vtdlist, vt_drv_set) { 1621 vtd = *vtdlist; 1622 if (vtd->vd_probe == NULL) 1623 continue; 1624 if (vtd->vd_probe(vd) == CN_DEAD) 1625 continue; 1626 if ((vtdbest == NULL) || 1627 (vtd->vd_priority > vtdbest->vd_priority)) 1628 vtdbest = vtd; 1629 } 1630 if (vtdbest == NULL) { 1631 cp->cn_pri = CN_DEAD; 1632 vd->vd_flags |= VDF_DEAD; 1633 } else { 1634 vd->vd_driver = vtdbest; 1635 cp->cn_pri = vd->vd_driver->vd_init(vd); 1636 } 1637 1638 /* Check if driver's vt_init return CN_DEAD. */ 1639 if (cp->cn_pri == CN_DEAD) { 1640 vd->vd_flags |= VDF_DEAD; 1641 } 1642 1643 /* Initialize any early-boot keyboard drivers */ 1644 kbd_configure(KB_CONF_PROBE_ONLY); 1645 1646 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1); 1647 vd->vd_windows[VT_CONSWINDOW] = vw; 1648 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw)); 1649 1650 vt_init_font_static(); 1651 1652 /* Attach default font if not in TEXTMODE. */ 1653 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 1654 vw->vw_font = vtfont_ref(vt_font_assigned); 1655 vt_compute_drawable_area(vw); 1656 } 1657 1658 /* 1659 * The original screen size was faked (_VTDEFW x _VTDEFH). Now 1660 * that we have the real viewable size, fix it in the static 1661 * buffer. 1662 */ 1663 if (vd->vd_width != 0 && vd->vd_height != 0) 1664 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size); 1665 1666 /* We need to access terminal attributes from vtbuf */ 1667 vw->vw_buf.vb_terminal = tm; 1668 vtbuf_init_early(&vw->vw_buf); 1669 vt_winsize(vd, vw->vw_font, &wsz); 1670 a = teken_get_curattr(&tm->tm_emulator); 1671 terminal_set_winsize_blank(tm, &wsz, 1, a); 1672 1673 if (vtdbest != NULL) { 1674 #ifdef DEV_SPLASH 1675 if (!vt_splash_cpu) 1676 vtterm_splash(vd); 1677 #endif 1678 vd->vd_flags |= VDF_INITIALIZED; 1679 } 1680 } 1681 1682 static int 1683 vtterm_cngetc(struct terminal *tm) 1684 { 1685 struct vt_window *vw = tm->tm_softc; 1686 struct vt_device *vd = vw->vw_device; 1687 keyboard_t *kbd; 1688 u_int c; 1689 1690 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1691 return (*vw->vw_kbdsq++); 1692 1693 /* Make sure the splash screen is not there. */ 1694 if (vd->vd_flags & VDF_SPLASH) { 1695 /* Remove splash */ 1696 vd->vd_flags &= ~VDF_SPLASH; 1697 /* Mark screen as invalid to force update */ 1698 vd->vd_flags |= VDF_INVALID; 1699 vt_flush(vd); 1700 } 1701 1702 /* Stripped down keyboard handler. */ 1703 if ((kbd = vd->vd_keyboard) == NULL) 1704 return (-1); 1705 1706 /* Force keyboard input mode to K_XLATE */ 1707 vw->vw_kbdmode = K_XLATE; 1708 vt_update_kbd_mode(vw, kbd); 1709 1710 /* Switch the keyboard to polling to make it work here. */ 1711 kbdd_poll(kbd, TRUE); 1712 c = kbdd_read_char(kbd, 0); 1713 kbdd_poll(kbd, FALSE); 1714 if (c & RELKEY) 1715 return (-1); 1716 1717 if (vw->vw_flags & VWF_SCROLL) { 1718 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */); 1719 vt_flush(vd); 1720 return (-1); 1721 } 1722 1723 /* Stripped down handling of vt_kbdevent(), without locking, etc. */ 1724 if (c & SPCLKEY) { 1725 switch (c) { 1726 case SPCLKEY | SLK: 1727 vt_save_kbd_state(vw, kbd); 1728 if (vw->vw_kbdstate & SLKED) { 1729 /* Turn scrolling on. */ 1730 vw->vw_flags |= VWF_SCROLL; 1731 VTBUF_SLCK_ENABLE(&vw->vw_buf); 1732 } else { 1733 /* Turn scrolling off. */ 1734 vt_scroll(vw, 0, VHS_END); 1735 vw->vw_flags &= ~VWF_SCROLL; 1736 VTBUF_SLCK_DISABLE(&vw->vw_buf); 1737 } 1738 break; 1739 /* XXX: KDB can handle history. */ 1740 case SPCLKEY | FKEY | F(50): /* Arrow up. */ 1741 vw->vw_kbdsq = "\x1b[A"; 1742 break; 1743 case SPCLKEY | FKEY | F(58): /* Arrow down. */ 1744 vw->vw_kbdsq = "\x1b[B"; 1745 break; 1746 case SPCLKEY | FKEY | F(55): /* Arrow right. */ 1747 vw->vw_kbdsq = "\x1b[C"; 1748 break; 1749 case SPCLKEY | FKEY | F(53): /* Arrow left. */ 1750 vw->vw_kbdsq = "\x1b[D"; 1751 break; 1752 } 1753 1754 /* Force refresh to make scrollback work. */ 1755 vt_flush(vd); 1756 } else if (KEYFLAGS(c) == 0) { 1757 return (KEYCHAR(c)); 1758 } 1759 1760 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1761 return (*vw->vw_kbdsq++); 1762 1763 return (-1); 1764 } 1765 1766 /* 1767 * These two do most of what we want to do in vtterm_cnungrab, but without 1768 * actually switching windows. This is necessary for, e.g., 1769 * vt_allocate_keyboard() to get the current keyboard into the state it needs to 1770 * be in without damaging the device's window state. 1771 * 1772 * Both return the current grab count, though it's only used in vtterm_cnungrab. 1773 */ 1774 static int 1775 vtterm_cngrab_noswitch(struct vt_device *vd, struct vt_window *vw) 1776 { 1777 keyboard_t *kbd; 1778 1779 if (vw->vw_grabbed++ > 0) 1780 return (vw->vw_grabbed); 1781 1782 if ((kbd = vd->vd_keyboard) == NULL) 1783 return (1); 1784 1785 /* 1786 * Make sure the keyboard is accessible even when the kbd device 1787 * driver is disabled. 1788 */ 1789 kbdd_enable(kbd); 1790 1791 /* We shall always use the keyboard in the XLATE mode here. */ 1792 vw->vw_prev_kbdmode = vw->vw_kbdmode; 1793 vw->vw_kbdmode = K_XLATE; 1794 vt_update_kbd_mode(vw, kbd); 1795 1796 kbdd_poll(kbd, TRUE); 1797 return (1); 1798 } 1799 1800 static int 1801 vtterm_cnungrab_noswitch(struct vt_device *vd, struct vt_window *vw) 1802 { 1803 keyboard_t *kbd; 1804 1805 if (--vw->vw_grabbed > 0) 1806 return (vw->vw_grabbed); 1807 1808 if ((kbd = vd->vd_keyboard) == NULL) 1809 return (0); 1810 1811 kbdd_poll(kbd, FALSE); 1812 1813 vw->vw_kbdmode = vw->vw_prev_kbdmode; 1814 vt_update_kbd_mode(vw, kbd); 1815 kbdd_disable(kbd); 1816 return (0); 1817 } 1818 1819 static void 1820 vtterm_cngrab(struct terminal *tm) 1821 { 1822 struct vt_device *vd; 1823 struct vt_window *vw; 1824 1825 vw = tm->tm_softc; 1826 vd = vw->vw_device; 1827 1828 /* To be restored after we ungrab. */ 1829 if (vd->vd_grabwindow == NULL) 1830 vd->vd_grabwindow = vd->vd_curwindow; 1831 1832 if (!cold) 1833 vt_window_switch(vw); 1834 1835 vtterm_cngrab_noswitch(vd, vw); 1836 } 1837 1838 static void 1839 vtterm_cnungrab(struct terminal *tm) 1840 { 1841 struct vt_device *vd; 1842 struct vt_window *vw; 1843 1844 vw = tm->tm_softc; 1845 vd = vw->vw_device; 1846 1847 MPASS(vd->vd_grabwindow != NULL); 1848 if (vtterm_cnungrab_noswitch(vd, vw) != 0) 1849 return; 1850 1851 if (!cold && vd->vd_grabwindow != vw) 1852 vt_window_switch(vd->vd_grabwindow); 1853 1854 vd->vd_grabwindow = NULL; 1855 } 1856 1857 static void 1858 vtterm_opened(struct terminal *tm, int opened) 1859 { 1860 struct vt_window *vw = tm->tm_softc; 1861 struct vt_device *vd = vw->vw_device; 1862 1863 VT_LOCK(vd); 1864 vd->vd_flags &= ~VDF_SPLASH; 1865 if (opened) 1866 vw->vw_flags |= VWF_OPENED; 1867 else { 1868 vw->vw_flags &= ~VWF_OPENED; 1869 /* TODO: finish ACQ/REL */ 1870 } 1871 VT_UNLOCK(vd); 1872 } 1873 1874 static int 1875 vt_change_font(struct vt_window *vw, struct vt_font *vf) 1876 { 1877 struct vt_device *vd = vw->vw_device; 1878 struct terminal *tm = vw->vw_terminal; 1879 term_pos_t size; 1880 struct winsize wsz; 1881 1882 /* 1883 * Changing fonts. 1884 * 1885 * Changing fonts is a little tricky. We must prevent 1886 * simultaneous access to the device, so we must stop 1887 * the display timer and the terminal from accessing. 1888 * We need to switch fonts and grow our screen buffer. 1889 * 1890 * XXX: Right now the code uses terminal_mute() to 1891 * prevent data from reaching the console driver while 1892 * resizing the screen buffer. This isn't elegant... 1893 */ 1894 1895 VT_LOCK(vd); 1896 if (vw->vw_flags & VWF_BUSY) { 1897 /* Another process is changing the font. */ 1898 VT_UNLOCK(vd); 1899 return (EBUSY); 1900 } 1901 vw->vw_flags |= VWF_BUSY; 1902 VT_UNLOCK(vd); 1903 1904 vt_termsize(vd, vf, &size); 1905 vt_winsize(vd, vf, &wsz); 1906 1907 /* Grow the screen buffer and terminal. */ 1908 terminal_mute(tm, 1); 1909 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 1910 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 1911 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 1912 terminal_mute(tm, 0); 1913 1914 /* Actually apply the font to the current window. */ 1915 VT_LOCK(vd); 1916 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) { 1917 /* 1918 * In case vt_change_font called to update size we don't need 1919 * to update font link. 1920 */ 1921 vtfont_unref(vw->vw_font); 1922 vw->vw_font = vtfont_ref(vf); 1923 } 1924 1925 /* 1926 * Compute the drawable area and move the mouse cursor inside 1927 * it, in case the new area is smaller than the previous one. 1928 */ 1929 vt_compute_drawable_area(vw); 1930 vd->vd_mx = min(vd->vd_mx, 1931 vw->vw_draw_area.tr_end.tp_col - 1932 vw->vw_draw_area.tr_begin.tp_col - 1); 1933 vd->vd_my = min(vd->vd_my, 1934 vw->vw_draw_area.tr_end.tp_row - 1935 vw->vw_draw_area.tr_begin.tp_row - 1); 1936 1937 /* Force a full redraw the next timer tick. */ 1938 if (vd->vd_curwindow == vw) { 1939 vd->vd_flags |= VDF_INVALID; 1940 vt_resume_flush_timer(vw, 0); 1941 } 1942 vw->vw_flags &= ~VWF_BUSY; 1943 VT_UNLOCK(vd); 1944 return (0); 1945 } 1946 1947 static int 1948 vt_proc_alive(struct vt_window *vw) 1949 { 1950 struct proc *p; 1951 1952 if (vw->vw_smode.mode != VT_PROCESS) 1953 return (FALSE); 1954 1955 if (vw->vw_proc) { 1956 if ((p = pfind(vw->vw_pid)) != NULL) 1957 PROC_UNLOCK(p); 1958 if (vw->vw_proc == p) 1959 return (TRUE); 1960 vw->vw_proc = NULL; 1961 vw->vw_smode.mode = VT_AUTO; 1962 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid); 1963 vw->vw_pid = 0; 1964 } 1965 return (FALSE); 1966 } 1967 1968 static int 1969 signal_vt_rel(struct vt_window *vw) 1970 { 1971 1972 if (vw->vw_smode.mode != VT_PROCESS) 1973 return (FALSE); 1974 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1975 vw->vw_proc = NULL; 1976 vw->vw_pid = 0; 1977 return (TRUE); 1978 } 1979 vw->vw_flags |= VWF_SWWAIT_REL; 1980 PROC_LOCK(vw->vw_proc); 1981 kern_psignal(vw->vw_proc, vw->vw_smode.relsig); 1982 PROC_UNLOCK(vw->vw_proc); 1983 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid); 1984 return (TRUE); 1985 } 1986 1987 static int 1988 signal_vt_acq(struct vt_window *vw) 1989 { 1990 1991 if (vw->vw_smode.mode != VT_PROCESS) 1992 return (FALSE); 1993 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 1994 cnavailable(vw->vw_terminal->consdev, FALSE); 1995 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1996 vw->vw_proc = NULL; 1997 vw->vw_pid = 0; 1998 return (TRUE); 1999 } 2000 vw->vw_flags |= VWF_SWWAIT_ACQ; 2001 PROC_LOCK(vw->vw_proc); 2002 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig); 2003 PROC_UNLOCK(vw->vw_proc); 2004 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid); 2005 return (TRUE); 2006 } 2007 2008 static int 2009 finish_vt_rel(struct vt_window *vw, int release, int *s) 2010 { 2011 2012 if (vw->vw_flags & VWF_SWWAIT_REL) { 2013 vw->vw_flags &= ~VWF_SWWAIT_REL; 2014 if (release) { 2015 callout_drain(&vw->vw_proc_dead_timer); 2016 (void)vt_late_window_switch(vw->vw_switch_to); 2017 } 2018 return (0); 2019 } 2020 return (EINVAL); 2021 } 2022 2023 static int 2024 finish_vt_acq(struct vt_window *vw) 2025 { 2026 2027 if (vw->vw_flags & VWF_SWWAIT_ACQ) { 2028 vw->vw_flags &= ~VWF_SWWAIT_ACQ; 2029 return (0); 2030 } 2031 return (EINVAL); 2032 } 2033 2034 #ifndef SC_NO_CUTPASTE 2035 static void 2036 vt_mouse_terminput_button(struct vt_device *vd, int button) 2037 { 2038 struct vt_window *vw; 2039 struct vt_font *vf; 2040 char mouseb[6] = "\x1B[M"; 2041 int i, x, y; 2042 2043 vw = vd->vd_curwindow; 2044 vf = vw->vw_font; 2045 2046 /* Translate to char position. */ 2047 x = vd->vd_mx / vf->vf_width; 2048 y = vd->vd_my / vf->vf_height; 2049 /* Avoid overflow. */ 2050 x = MIN(x, 255 - '!'); 2051 y = MIN(y, 255 - '!'); 2052 2053 mouseb[3] = ' ' + button; 2054 mouseb[4] = '!' + x; 2055 mouseb[5] = '!' + y; 2056 2057 for (i = 0; i < sizeof(mouseb); i++) 2058 terminal_input_char(vw->vw_terminal, mouseb[i]); 2059 } 2060 2061 static void 2062 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event, 2063 int cnt) 2064 { 2065 2066 switch (type) { 2067 case MOUSE_BUTTON_EVENT: 2068 if (cnt > 0) { 2069 /* Mouse button pressed. */ 2070 if (event & MOUSE_BUTTON1DOWN) 2071 vt_mouse_terminput_button(vd, 0); 2072 if (event & MOUSE_BUTTON2DOWN) 2073 vt_mouse_terminput_button(vd, 1); 2074 if (event & MOUSE_BUTTON3DOWN) 2075 vt_mouse_terminput_button(vd, 2); 2076 } else { 2077 /* Mouse button released. */ 2078 vt_mouse_terminput_button(vd, 3); 2079 } 2080 break; 2081 #ifdef notyet 2082 case MOUSE_MOTION_EVENT: 2083 if (mouse->u.data.z < 0) { 2084 /* Scroll up. */ 2085 sc_mouse_input_button(vd, 64); 2086 } else if (mouse->u.data.z > 0) { 2087 /* Scroll down. */ 2088 sc_mouse_input_button(vd, 65); 2089 } 2090 break; 2091 #endif 2092 } 2093 } 2094 2095 static void 2096 vt_mouse_paste() 2097 { 2098 term_char_t *buf; 2099 int i, len; 2100 2101 len = VD_PASTEBUFLEN(main_vd); 2102 buf = VD_PASTEBUF(main_vd); 2103 len /= sizeof(term_char_t); 2104 for (i = 0; i < len; i++) { 2105 if (buf[i] == '\0') 2106 continue; 2107 terminal_input_char(main_vd->vd_curwindow->vw_terminal, 2108 buf[i]); 2109 } 2110 } 2111 2112 void 2113 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel) 2114 { 2115 struct vt_device *vd; 2116 struct vt_window *vw; 2117 struct vt_font *vf; 2118 term_pos_t size; 2119 int len, mark; 2120 2121 vd = main_vd; 2122 vw = vd->vd_curwindow; 2123 vf = vw->vw_font; 2124 mark = 0; 2125 2126 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS)) 2127 /* 2128 * Either the mouse is disabled, or the window is in 2129 * "graphics mode". The graphics mode is usually set by 2130 * an X server, using the KDSETMODE ioctl. 2131 */ 2132 return; 2133 2134 if (vf == NULL) /* Text mode. */ 2135 return; 2136 2137 /* 2138 * TODO: add flag about pointer position changed, to not redraw chars 2139 * under mouse pointer when nothing changed. 2140 */ 2141 2142 if (vw->vw_mouse_level > 0) 2143 vt_mouse_terminput(vd, type, x, y, event, cnt); 2144 2145 switch (type) { 2146 case MOUSE_ACTION: 2147 case MOUSE_MOTION_EVENT: 2148 /* Movement */ 2149 x += vd->vd_mx; 2150 y += vd->vd_my; 2151 2152 vt_termsize(vd, vf, &size); 2153 2154 /* Apply limits. */ 2155 x = MAX(x, 0); 2156 y = MAX(y, 0); 2157 x = MIN(x, (size.tp_col * vf->vf_width) - 1); 2158 y = MIN(y, (size.tp_row * vf->vf_height) - 1); 2159 2160 vd->vd_mx = x; 2161 vd->vd_my = y; 2162 if (vd->vd_mstate & MOUSE_BUTTON1DOWN) 2163 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE, 2164 vd->vd_mx / vf->vf_width, 2165 vd->vd_my / vf->vf_height); 2166 2167 vt_resume_flush_timer(vw, 0); 2168 return; /* Done */ 2169 case MOUSE_BUTTON_EVENT: 2170 /* Buttons */ 2171 break; 2172 default: 2173 return; /* Done */ 2174 } 2175 2176 switch (event) { 2177 case MOUSE_BUTTON1DOWN: 2178 switch (cnt % 4) { 2179 case 0: /* up */ 2180 mark = VTB_MARK_END; 2181 break; 2182 case 1: /* single click: start cut operation */ 2183 mark = VTB_MARK_START; 2184 break; 2185 case 2: /* double click: cut a word */ 2186 mark = VTB_MARK_WORD; 2187 break; 2188 case 3: /* triple click: cut a line */ 2189 mark = VTB_MARK_ROW; 2190 break; 2191 } 2192 break; 2193 case VT_MOUSE_PASTEBUTTON: 2194 switch (cnt) { 2195 case 0: /* up */ 2196 break; 2197 default: 2198 vt_mouse_paste(); 2199 break; 2200 } 2201 return; /* Done */ 2202 case VT_MOUSE_EXTENDBUTTON: 2203 switch (cnt) { 2204 case 0: /* up */ 2205 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN)) 2206 mark = VTB_MARK_EXTEND; 2207 else 2208 mark = 0; 2209 break; 2210 default: 2211 mark = VTB_MARK_EXTEND; 2212 break; 2213 } 2214 break; 2215 default: 2216 return; /* Done */ 2217 } 2218 2219 /* Save buttons state. */ 2220 if (cnt > 0) 2221 vd->vd_mstate |= event; 2222 else 2223 vd->vd_mstate &= ~event; 2224 2225 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width, 2226 vd->vd_my / vf->vf_height) == 1) { 2227 /* 2228 * We have something marked to copy, so update pointer to 2229 * window with selection. 2230 */ 2231 vt_resume_flush_timer(vw, 0); 2232 2233 switch (mark) { 2234 case VTB_MARK_END: 2235 case VTB_MARK_WORD: 2236 case VTB_MARK_ROW: 2237 case VTB_MARK_EXTEND: 2238 break; 2239 default: 2240 /* Other types of mark do not require to copy data. */ 2241 return; 2242 } 2243 2244 /* Get current selection size in bytes. */ 2245 len = vtbuf_get_marked_len(&vw->vw_buf); 2246 if (len <= 0) 2247 return; 2248 2249 /* Reallocate buffer only if old one is too small. */ 2250 if (len > VD_PASTEBUFSZ(vd)) { 2251 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT, 2252 M_WAITOK | M_ZERO); 2253 /* Update buffer size. */ 2254 VD_PASTEBUFSZ(vd) = len; 2255 } 2256 /* Request copy/paste buffer data, no more than `len' */ 2257 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd), 2258 VD_PASTEBUFSZ(vd)); 2259 2260 VD_PASTEBUFLEN(vd) = len; 2261 2262 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */ 2263 } 2264 } 2265 2266 void 2267 vt_mouse_state(int show) 2268 { 2269 struct vt_device *vd; 2270 struct vt_window *vw; 2271 2272 vd = main_vd; 2273 vw = vd->vd_curwindow; 2274 2275 switch (show) { 2276 case VT_MOUSE_HIDE: 2277 vw->vw_flags |= VWF_MOUSE_HIDE; 2278 break; 2279 case VT_MOUSE_SHOW: 2280 vw->vw_flags &= ~VWF_MOUSE_HIDE; 2281 break; 2282 } 2283 2284 /* Mark mouse position as dirty. */ 2285 vt_mark_mouse_position_as_dirty(vd, false); 2286 vt_resume_flush_timer(vw, 0); 2287 } 2288 #endif 2289 2290 static int 2291 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr, 2292 int nprot, vm_memattr_t *memattr) 2293 { 2294 struct vt_window *vw = tm->tm_softc; 2295 struct vt_device *vd = vw->vw_device; 2296 2297 if (vd->vd_driver->vd_fb_mmap) 2298 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot, 2299 memattr)); 2300 2301 return (ENXIO); 2302 } 2303 2304 static int 2305 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data, 2306 struct thread *td) 2307 { 2308 struct vt_window *vw = tm->tm_softc; 2309 struct vt_device *vd = vw->vw_device; 2310 keyboard_t *kbd; 2311 int error, i, s; 2312 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 2313 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 2314 int ival; 2315 2316 switch (cmd) { 2317 case _IO('v', 4): 2318 cmd = VT_RELDISP; 2319 break; 2320 case _IO('v', 5): 2321 cmd = VT_ACTIVATE; 2322 break; 2323 case _IO('v', 6): 2324 cmd = VT_WAITACTIVE; 2325 break; 2326 case _IO('K', 20): 2327 cmd = KDSKBSTATE; 2328 break; 2329 case _IO('K', 67): 2330 cmd = KDSETRAD; 2331 break; 2332 case _IO('K', 7): 2333 cmd = KDSKBMODE; 2334 break; 2335 case _IO('K', 8): 2336 cmd = KDMKTONE; 2337 break; 2338 case _IO('K', 10): 2339 cmd = KDSETMODE; 2340 break; 2341 case _IO('K', 13): 2342 cmd = KDSBORDER; 2343 break; 2344 case _IO('K', 63): 2345 cmd = KIOCSOUND; 2346 break; 2347 case _IO('K', 66): 2348 cmd = KDSETLED; 2349 break; 2350 case _IO('c', 104): 2351 cmd = CONS_SETWINORG; 2352 break; 2353 case _IO('c', 110): 2354 cmd = CONS_SETKBD; 2355 break; 2356 default: 2357 goto skip_thunk; 2358 } 2359 ival = IOCPARM_IVAL(data); 2360 data = (caddr_t)&ival; 2361 skip_thunk: 2362 #endif 2363 2364 switch (cmd) { 2365 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 2366 if (*(int *)data & ~0x7f) 2367 return (EINVAL); 2368 /* FALLTHROUGH */ 2369 case GIO_KEYMAP: 2370 case PIO_KEYMAP: 2371 case GIO_DEADKEYMAP: 2372 case PIO_DEADKEYMAP: 2373 case GETFKEY: 2374 case SETFKEY: 2375 case KDGKBINFO: 2376 case KDGKBTYPE: 2377 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 2378 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 2379 case KBADDKBD: /* add/remove keyboard to/from mux */ 2380 case KBRELKBD: { 2381 error = 0; 2382 2383 mtx_lock(&Giant); 2384 if ((kbd = vd->vd_keyboard) != NULL) 2385 error = kbdd_ioctl(kbd, cmd, data); 2386 mtx_unlock(&Giant); 2387 if (error == ENOIOCTL) { 2388 if (cmd == KDGKBTYPE) { 2389 /* always return something? XXX */ 2390 *(int *)data = 0; 2391 } else { 2392 return (ENODEV); 2393 } 2394 } 2395 return (error); 2396 } 2397 case KDGKBSTATE: { /* get keyboard state (locks) */ 2398 error = 0; 2399 2400 if (vw == vd->vd_curwindow) { 2401 mtx_lock(&Giant); 2402 if ((kbd = vd->vd_keyboard) != NULL) 2403 error = vt_save_kbd_state(vw, kbd); 2404 mtx_unlock(&Giant); 2405 2406 if (error != 0) 2407 return (error); 2408 } 2409 2410 *(int *)data = vw->vw_kbdstate & LOCK_MASK; 2411 2412 return (error); 2413 } 2414 case KDSKBSTATE: { /* set keyboard state (locks) */ 2415 int state; 2416 2417 state = *(int *)data; 2418 if (state & ~LOCK_MASK) 2419 return (EINVAL); 2420 2421 vw->vw_kbdstate &= ~LOCK_MASK; 2422 vw->vw_kbdstate |= state; 2423 2424 error = 0; 2425 if (vw == vd->vd_curwindow) { 2426 mtx_lock(&Giant); 2427 if ((kbd = vd->vd_keyboard) != NULL) 2428 error = vt_update_kbd_state(vw, kbd); 2429 mtx_unlock(&Giant); 2430 } 2431 2432 return (error); 2433 } 2434 case KDGETLED: { /* get keyboard LED status */ 2435 error = 0; 2436 2437 if (vw == vd->vd_curwindow) { 2438 mtx_lock(&Giant); 2439 if ((kbd = vd->vd_keyboard) != NULL) 2440 error = vt_save_kbd_leds(vw, kbd); 2441 mtx_unlock(&Giant); 2442 2443 if (error != 0) 2444 return (error); 2445 } 2446 2447 *(int *)data = vw->vw_kbdstate & LED_MASK; 2448 2449 return (error); 2450 } 2451 case KDSETLED: { /* set keyboard LED status */ 2452 int leds; 2453 2454 leds = *(int *)data; 2455 if (leds & ~LED_MASK) 2456 return (EINVAL); 2457 2458 vw->vw_kbdstate &= ~LED_MASK; 2459 vw->vw_kbdstate |= leds; 2460 2461 error = 0; 2462 if (vw == vd->vd_curwindow) { 2463 mtx_lock(&Giant); 2464 if ((kbd = vd->vd_keyboard) != NULL) 2465 error = vt_update_kbd_leds(vw, kbd); 2466 mtx_unlock(&Giant); 2467 } 2468 2469 return (error); 2470 } 2471 case KDGETMODE: 2472 *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ? 2473 KD_GRAPHICS : KD_TEXT; 2474 return (0); 2475 case KDGKBMODE: { 2476 error = 0; 2477 2478 if (vw == vd->vd_curwindow) { 2479 mtx_lock(&Giant); 2480 if ((kbd = vd->vd_keyboard) != NULL) 2481 error = vt_save_kbd_mode(vw, kbd); 2482 mtx_unlock(&Giant); 2483 2484 if (error != 0) 2485 return (error); 2486 } 2487 2488 *(int *)data = vw->vw_kbdmode; 2489 2490 return (error); 2491 } 2492 case KDSKBMODE: { 2493 int mode; 2494 2495 mode = *(int *)data; 2496 switch (mode) { 2497 case K_XLATE: 2498 case K_RAW: 2499 case K_CODE: 2500 vw->vw_kbdmode = mode; 2501 2502 error = 0; 2503 if (vw == vd->vd_curwindow) { 2504 mtx_lock(&Giant); 2505 if ((kbd = vd->vd_keyboard) != NULL) 2506 error = vt_update_kbd_mode(vw, kbd); 2507 mtx_unlock(&Giant); 2508 } 2509 2510 return (error); 2511 default: 2512 return (EINVAL); 2513 } 2514 } 2515 case FBIOGTYPE: 2516 case FBIO_GETWINORG: /* get frame buffer window origin */ 2517 case FBIO_GETDISPSTART: /* get display start address */ 2518 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 2519 case FBIO_BLANK: /* blank display */ 2520 if (vd->vd_driver->vd_fb_ioctl) 2521 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td)); 2522 break; 2523 case CONS_BLANKTIME: 2524 /* XXX */ 2525 return (0); 2526 case CONS_HISTORY: 2527 if (*(int *)data < 0) 2528 return EINVAL; 2529 if (*(int *)data != vw->vw_buf.vb_history_size) 2530 vtbuf_sethistory_size(&vw->vw_buf, *(int *)data); 2531 return (0); 2532 case CONS_CLRHIST: 2533 vtbuf_clearhistory(&vw->vw_buf); 2534 /* 2535 * Invalidate the entire visible window; it is not guaranteed 2536 * that this operation will be immediately followed by a scroll 2537 * event, so it would otherwise be possible for prior artifacts 2538 * to remain visible. 2539 */ 2540 VT_LOCK(vd); 2541 if (vw == vd->vd_curwindow) { 2542 vd->vd_flags |= VDF_INVALID; 2543 vt_resume_flush_timer(vw, 0); 2544 } 2545 VT_UNLOCK(vd); 2546 return (0); 2547 case CONS_GET: 2548 /* XXX */ 2549 *(int *)data = M_CG640x480; 2550 return (0); 2551 case CONS_BELLTYPE: /* set bell type sound */ 2552 if ((*(int *)data) & CONS_QUIET_BELL) 2553 vd->vd_flags |= VDF_QUIET_BELL; 2554 else 2555 vd->vd_flags &= ~VDF_QUIET_BELL; 2556 return (0); 2557 case CONS_GETINFO: { 2558 vid_info_t *vi = (vid_info_t *)data; 2559 if (vi->size != sizeof(struct vid_info)) 2560 return (EINVAL); 2561 2562 if (vw == vd->vd_curwindow) { 2563 mtx_lock(&Giant); 2564 if ((kbd = vd->vd_keyboard) != NULL) 2565 vt_save_kbd_state(vw, kbd); 2566 mtx_unlock(&Giant); 2567 } 2568 2569 vi->m_num = vd->vd_curwindow->vw_number + 1; 2570 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK; 2571 /* XXX: other fields! */ 2572 return (0); 2573 } 2574 case CONS_GETVERS: 2575 *(int *)data = 0x200; 2576 return (0); 2577 case CONS_MODEINFO: 2578 /* XXX */ 2579 return (0); 2580 case CONS_MOUSECTL: { 2581 mouse_info_t *mouse = (mouse_info_t*)data; 2582 2583 /* 2584 * All the commands except MOUSE_SHOW nd MOUSE_HIDE 2585 * should not be applied to individual TTYs, but only to 2586 * consolectl. 2587 */ 2588 switch (mouse->operation) { 2589 case MOUSE_HIDE: 2590 if (vd->vd_flags & VDF_MOUSECURSOR) { 2591 vd->vd_flags &= ~VDF_MOUSECURSOR; 2592 #ifndef SC_NO_CUTPASTE 2593 vt_mouse_state(VT_MOUSE_HIDE); 2594 #endif 2595 } 2596 return (0); 2597 case MOUSE_SHOW: 2598 if (!(vd->vd_flags & VDF_MOUSECURSOR)) { 2599 vd->vd_flags |= VDF_MOUSECURSOR; 2600 vd->vd_mx = vd->vd_width / 2; 2601 vd->vd_my = vd->vd_height / 2; 2602 #ifndef SC_NO_CUTPASTE 2603 vt_mouse_state(VT_MOUSE_SHOW); 2604 #endif 2605 } 2606 return (0); 2607 default: 2608 return (EINVAL); 2609 } 2610 } 2611 case PIO_VFONT: { 2612 struct vt_font *vf; 2613 2614 if (vd->vd_flags & VDF_TEXTMODE) 2615 return (ENOTSUP); 2616 2617 error = vtfont_load((void *)data, &vf); 2618 if (error != 0) 2619 return (error); 2620 2621 error = vt_change_font(vw, vf); 2622 vtfont_unref(vf); 2623 return (error); 2624 } 2625 case PIO_VFONT_DEFAULT: { 2626 /* Reset to default font. */ 2627 error = vt_change_font(vw, vt_font_assigned); 2628 return (error); 2629 } 2630 case GIO_SCRNMAP: { 2631 scrmap_t *sm = (scrmap_t *)data; 2632 2633 /* We don't have screen maps, so return a handcrafted one. */ 2634 for (i = 0; i < 256; i++) 2635 sm->scrmap[i] = i; 2636 return (0); 2637 } 2638 case KDSETMODE: 2639 /* 2640 * FIXME: This implementation is incomplete compared to 2641 * syscons. 2642 */ 2643 switch (*(int *)data) { 2644 case KD_TEXT: 2645 case KD_TEXT1: 2646 case KD_PIXEL: 2647 vw->vw_flags &= ~VWF_GRAPHICS; 2648 break; 2649 case KD_GRAPHICS: 2650 vw->vw_flags |= VWF_GRAPHICS; 2651 break; 2652 } 2653 return (0); 2654 case KDENABIO: /* allow io operations */ 2655 error = priv_check(td, PRIV_IO); 2656 if (error != 0) 2657 return (error); 2658 error = securelevel_gt(td->td_ucred, 0); 2659 if (error != 0) 2660 return (error); 2661 #if defined(__i386__) 2662 td->td_frame->tf_eflags |= PSL_IOPL; 2663 #elif defined(__amd64__) 2664 td->td_frame->tf_rflags |= PSL_IOPL; 2665 #endif 2666 return (0); 2667 case KDDISABIO: /* disallow io operations (default) */ 2668 #if defined(__i386__) 2669 td->td_frame->tf_eflags &= ~PSL_IOPL; 2670 #elif defined(__amd64__) 2671 td->td_frame->tf_rflags &= ~PSL_IOPL; 2672 #endif 2673 return (0); 2674 case KDMKTONE: /* sound the bell */ 2675 vtterm_beep(tm, *(u_int *)data); 2676 return (0); 2677 case KIOCSOUND: /* make tone (*data) hz */ 2678 /* TODO */ 2679 return (0); 2680 case CONS_SETKBD: /* set the new keyboard */ 2681 mtx_lock(&Giant); 2682 error = 0; 2683 if (vd->vd_keyboard == NULL || 2684 vd->vd_keyboard->kb_index != *(int *)data) { 2685 kbd = kbd_get_keyboard(*(int *)data); 2686 if (kbd == NULL) { 2687 mtx_unlock(&Giant); 2688 return (EINVAL); 2689 } 2690 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, 2691 (void *)vd, vt_kbdevent, vd); 2692 if (i >= 0) { 2693 if ((kbd = vd->vd_keyboard) != NULL) { 2694 vt_save_kbd_state(vd->vd_curwindow, kbd); 2695 kbd_release(kbd, (void *)vd); 2696 } 2697 kbd = vd->vd_keyboard = kbd_get_keyboard(i); 2698 2699 vt_update_kbd_mode(vd->vd_curwindow, kbd); 2700 vt_update_kbd_state(vd->vd_curwindow, kbd); 2701 } else { 2702 error = EPERM; /* XXX */ 2703 } 2704 } 2705 mtx_unlock(&Giant); 2706 return (error); 2707 case CONS_RELKBD: /* release the current keyboard */ 2708 mtx_lock(&Giant); 2709 error = 0; 2710 if ((kbd = vd->vd_keyboard) != NULL) { 2711 vt_save_kbd_state(vd->vd_curwindow, kbd); 2712 error = kbd_release(kbd, (void *)vd); 2713 if (error == 0) { 2714 vd->vd_keyboard = NULL; 2715 } 2716 } 2717 mtx_unlock(&Giant); 2718 return (error); 2719 case VT_ACTIVATE: { 2720 int win; 2721 win = *(int *)data - 1; 2722 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME, 2723 VT_UNIT(vw), win); 2724 if ((win >= VT_MAXWINDOWS) || (win < 0)) 2725 return (EINVAL); 2726 return (vt_proc_window_switch(vd->vd_windows[win])); 2727 } 2728 case VT_GETACTIVE: 2729 *(int *)data = vd->vd_curwindow->vw_number + 1; 2730 return (0); 2731 case VT_GETINDEX: 2732 *(int *)data = vw->vw_number + 1; 2733 return (0); 2734 case VT_LOCKSWITCH: 2735 /* TODO: Check current state, switching can be in progress. */ 2736 if ((*(int *)data) == 0x01) 2737 vw->vw_flags |= VWF_VTYLOCK; 2738 else if ((*(int *)data) == 0x02) 2739 vw->vw_flags &= ~VWF_VTYLOCK; 2740 else 2741 return (EINVAL); 2742 return (0); 2743 case VT_OPENQRY: 2744 VT_LOCK(vd); 2745 for (i = 0; i < VT_MAXWINDOWS; i++) { 2746 vw = vd->vd_windows[i]; 2747 if (vw == NULL) 2748 continue; 2749 if (!(vw->vw_flags & VWF_OPENED)) { 2750 *(int *)data = vw->vw_number + 1; 2751 VT_UNLOCK(vd); 2752 return (0); 2753 } 2754 } 2755 VT_UNLOCK(vd); 2756 return (EINVAL); 2757 case VT_WAITACTIVE: { 2758 unsigned int idx; 2759 2760 error = 0; 2761 2762 idx = *(unsigned int *)data; 2763 if (idx > VT_MAXWINDOWS) 2764 return (EINVAL); 2765 if (idx > 0) 2766 vw = vd->vd_windows[idx - 1]; 2767 2768 VT_LOCK(vd); 2769 while (vd->vd_curwindow != vw && error == 0) 2770 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2771 VT_UNLOCK(vd); 2772 return (error); 2773 } 2774 case VT_SETMODE: { /* set screen switcher mode */ 2775 struct vt_mode *mode; 2776 struct proc *p1; 2777 2778 mode = (struct vt_mode *)data; 2779 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw)); 2780 if (vw->vw_smode.mode == VT_PROCESS) { 2781 p1 = pfind(vw->vw_pid); 2782 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) { 2783 if (p1) 2784 PROC_UNLOCK(p1); 2785 DPRINTF(5, "error EPERM\n"); 2786 return (EPERM); 2787 } 2788 if (p1) 2789 PROC_UNLOCK(p1); 2790 } 2791 if (mode->mode == VT_AUTO) { 2792 vw->vw_smode.mode = VT_AUTO; 2793 vw->vw_proc = NULL; 2794 vw->vw_pid = 0; 2795 DPRINTF(5, "VT_AUTO, "); 2796 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2797 cnavailable(vw->vw_terminal->consdev, TRUE); 2798 /* were we in the middle of the vty switching process? */ 2799 if (finish_vt_rel(vw, TRUE, &s) == 0) 2800 DPRINTF(5, "reset WAIT_REL, "); 2801 if (finish_vt_acq(vw) == 0) 2802 DPRINTF(5, "reset WAIT_ACQ, "); 2803 return (0); 2804 } else if (mode->mode == VT_PROCESS) { 2805 if (!ISSIGVALID(mode->relsig) || 2806 !ISSIGVALID(mode->acqsig) || 2807 !ISSIGVALID(mode->frsig)) { 2808 DPRINTF(5, "error EINVAL\n"); 2809 return (EINVAL); 2810 } 2811 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid); 2812 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode)); 2813 vw->vw_proc = td->td_proc; 2814 vw->vw_pid = vw->vw_proc->p_pid; 2815 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2816 cnavailable(vw->vw_terminal->consdev, FALSE); 2817 } else { 2818 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n", 2819 mode->mode); 2820 return (EINVAL); 2821 } 2822 DPRINTF(5, "\n"); 2823 return (0); 2824 } 2825 case VT_GETMODE: /* get screen switcher mode */ 2826 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode)); 2827 return (0); 2828 2829 case VT_RELDISP: /* screen switcher ioctl */ 2830 /* 2831 * This must be the current vty which is in the VT_PROCESS 2832 * switching mode... 2833 */ 2834 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode != 2835 VT_PROCESS)) { 2836 return (EINVAL); 2837 } 2838 /* ...and this process is controlling it. */ 2839 if (vw->vw_proc != td->td_proc) { 2840 return (EPERM); 2841 } 2842 error = EINVAL; 2843 switch(*(int *)data) { 2844 case VT_FALSE: /* user refuses to release screen, abort */ 2845 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0) 2846 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n", 2847 SC_DRIVER_NAME, VT_UNIT(vw)); 2848 break; 2849 case VT_TRUE: /* user has released screen, go on */ 2850 /* finish_vt_rel(..., TRUE, ...) should not be locked */ 2851 if (vw->vw_flags & VWF_SWWAIT_REL) { 2852 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0) 2853 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n", 2854 SC_DRIVER_NAME, VT_UNIT(vw)); 2855 } else { 2856 error = EINVAL; 2857 } 2858 return (error); 2859 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 2860 if ((error = finish_vt_acq(vw)) == 0) 2861 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n", 2862 SC_DRIVER_NAME, VT_UNIT(vw)); 2863 break; 2864 default: 2865 break; 2866 } 2867 return (error); 2868 } 2869 2870 return (ENOIOCTL); 2871 } 2872 2873 static struct vt_window * 2874 vt_allocate_window(struct vt_device *vd, unsigned int window) 2875 { 2876 struct vt_window *vw; 2877 struct terminal *tm; 2878 term_pos_t size; 2879 struct winsize wsz; 2880 2881 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO); 2882 vw->vw_device = vd; 2883 vw->vw_number = window; 2884 vw->vw_kbdmode = K_XLATE; 2885 2886 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 2887 vw->vw_font = vtfont_ref(vt_font_assigned); 2888 vt_compute_drawable_area(vw); 2889 } 2890 2891 vt_termsize(vd, vw->vw_font, &size); 2892 vt_winsize(vd, vw->vw_font, &wsz); 2893 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw); 2894 vw->vw_buf.vb_terminal = tm; /* must be set before vtbuf_init() */ 2895 vtbuf_init(&vw->vw_buf, &size); 2896 2897 terminal_set_winsize(tm, &wsz); 2898 vd->vd_windows[window] = vw; 2899 callout_init(&vw->vw_proc_dead_timer, 1); 2900 2901 return (vw); 2902 } 2903 2904 void 2905 vt_upgrade(struct vt_device *vd) 2906 { 2907 struct vt_window *vw; 2908 unsigned int i; 2909 int register_handlers; 2910 2911 if (!vty_enabled(VTY_VT)) 2912 return; 2913 if (main_vd->vd_driver == NULL) 2914 return; 2915 2916 for (i = 0; i < VT_MAXWINDOWS; i++) { 2917 vw = vd->vd_windows[i]; 2918 if (vw == NULL) { 2919 /* New window. */ 2920 vw = vt_allocate_window(vd, i); 2921 } 2922 if (!(vw->vw_flags & VWF_READY)) { 2923 callout_init(&vw->vw_proc_dead_timer, 1); 2924 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw)); 2925 vw->vw_flags |= VWF_READY; 2926 if (vw->vw_flags & VWF_CONSOLE) { 2927 /* For existing console window. */ 2928 EVENTHANDLER_REGISTER(shutdown_pre_sync, 2929 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT); 2930 } 2931 } 2932 } 2933 VT_LOCK(vd); 2934 if (vd->vd_curwindow == NULL) 2935 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW]; 2936 2937 register_handlers = 0; 2938 if (!(vd->vd_flags & VDF_ASYNC)) { 2939 /* Attach keyboard. */ 2940 vt_allocate_keyboard(vd); 2941 2942 /* Init 25 Hz timer. */ 2943 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0); 2944 2945 /* 2946 * Start timer when everything ready. 2947 * Note that the operations here are purposefully ordered. 2948 * We need to ensure vd_timer_armed is non-zero before we set 2949 * the VDF_ASYNC flag. That prevents this function from 2950 * racing with vt_resume_flush_timer() to update the 2951 * callout structure. 2952 */ 2953 atomic_add_acq_int(&vd->vd_timer_armed, 1); 2954 vd->vd_flags |= VDF_ASYNC; 2955 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd); 2956 register_handlers = 1; 2957 } 2958 2959 VT_UNLOCK(vd); 2960 2961 /* Refill settings with new sizes. */ 2962 vt_resize(vd); 2963 2964 if (register_handlers) { 2965 /* Register suspend/resume handlers. */ 2966 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler, 2967 vd, EVENTHANDLER_PRI_ANY); 2968 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd, 2969 EVENTHANDLER_PRI_ANY); 2970 } 2971 } 2972 2973 static void 2974 vt_resize(struct vt_device *vd) 2975 { 2976 struct vt_window *vw; 2977 int i; 2978 2979 for (i = 0; i < VT_MAXWINDOWS; i++) { 2980 vw = vd->vd_windows[i]; 2981 VT_LOCK(vd); 2982 /* Assign default font to window, if not textmode. */ 2983 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL) 2984 vw->vw_font = vtfont_ref(vt_font_assigned); 2985 VT_UNLOCK(vd); 2986 2987 /* Resize terminal windows */ 2988 while (vt_change_font(vw, vw->vw_font) == EBUSY) { 2989 DPRINTF(100, "%s: vt_change_font() is busy, " 2990 "window %d\n", __func__, i); 2991 } 2992 } 2993 } 2994 2995 static void 2996 vt_replace_backend(const struct vt_driver *drv, void *softc) 2997 { 2998 struct vt_device *vd; 2999 3000 vd = main_vd; 3001 3002 if (vd->vd_flags & VDF_ASYNC) { 3003 /* Stop vt_flush periodic task. */ 3004 VT_LOCK(vd); 3005 vt_suspend_flush_timer(vd); 3006 VT_UNLOCK(vd); 3007 /* 3008 * Mute current terminal until we done. vt_change_font (called 3009 * from vt_resize) will unmute it. 3010 */ 3011 terminal_mute(vd->vd_curwindow->vw_terminal, 1); 3012 } 3013 3014 /* 3015 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will 3016 * set it. 3017 */ 3018 VT_LOCK(vd); 3019 vd->vd_flags &= ~VDF_TEXTMODE; 3020 3021 if (drv != NULL) { 3022 /* 3023 * We want to upgrade from the current driver to the 3024 * given driver. 3025 */ 3026 3027 vd->vd_prev_driver = vd->vd_driver; 3028 vd->vd_prev_softc = vd->vd_softc; 3029 vd->vd_driver = drv; 3030 vd->vd_softc = softc; 3031 3032 vd->vd_driver->vd_init(vd); 3033 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) { 3034 /* 3035 * No driver given: we want to downgrade to the previous 3036 * driver. 3037 */ 3038 const struct vt_driver *old_drv; 3039 void *old_softc; 3040 3041 old_drv = vd->vd_driver; 3042 old_softc = vd->vd_softc; 3043 3044 vd->vd_driver = vd->vd_prev_driver; 3045 vd->vd_softc = vd->vd_prev_softc; 3046 vd->vd_prev_driver = NULL; 3047 vd->vd_prev_softc = NULL; 3048 3049 vd->vd_flags |= VDF_DOWNGRADE; 3050 3051 vd->vd_driver->vd_init(vd); 3052 3053 if (old_drv->vd_fini) 3054 old_drv->vd_fini(vd, old_softc); 3055 3056 vd->vd_flags &= ~VDF_DOWNGRADE; 3057 } 3058 3059 VT_UNLOCK(vd); 3060 3061 /* Update windows sizes and initialize last items. */ 3062 vt_upgrade(vd); 3063 3064 #ifdef DEV_SPLASH 3065 if (vd->vd_flags & VDF_SPLASH) 3066 vtterm_splash(vd); 3067 #endif 3068 3069 if (vd->vd_flags & VDF_ASYNC) { 3070 /* Allow to put chars now. */ 3071 terminal_mute(vd->vd_curwindow->vw_terminal, 0); 3072 /* Rerun timer for screen updates. */ 3073 vt_resume_flush_timer(vd->vd_curwindow, 0); 3074 } 3075 3076 /* 3077 * Register as console. If it already registered, cnadd() will ignore 3078 * it. 3079 */ 3080 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal); 3081 } 3082 3083 static void 3084 vt_suspend_handler(void *priv) 3085 { 3086 struct vt_device *vd; 3087 3088 vd = priv; 3089 vd->vd_flags |= VDF_SUSPENDED; 3090 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL) 3091 vd->vd_driver->vd_suspend(vd); 3092 } 3093 3094 static void 3095 vt_resume_handler(void *priv) 3096 { 3097 struct vt_device *vd; 3098 3099 vd = priv; 3100 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL) 3101 vd->vd_driver->vd_resume(vd); 3102 vd->vd_flags &= ~VDF_SUSPENDED; 3103 } 3104 3105 void 3106 vt_allocate(const struct vt_driver *drv, void *softc) 3107 { 3108 3109 if (!vty_enabled(VTY_VT)) 3110 return; 3111 3112 if (main_vd->vd_driver == NULL) { 3113 main_vd->vd_driver = drv; 3114 printf("VT: initialize with new VT driver \"%s\".\n", 3115 drv->vd_name); 3116 } else { 3117 /* 3118 * Check if have rights to replace current driver. For example: 3119 * it is bad idea to replace KMS driver with generic VGA one. 3120 */ 3121 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) { 3122 printf("VT: Driver priority %d too low. Current %d\n ", 3123 drv->vd_priority, main_vd->vd_driver->vd_priority); 3124 return; 3125 } 3126 printf("VT: Replacing driver \"%s\" with new \"%s\".\n", 3127 main_vd->vd_driver->vd_name, drv->vd_name); 3128 } 3129 3130 vt_replace_backend(drv, softc); 3131 } 3132 3133 void 3134 vt_deallocate(const struct vt_driver *drv, void *softc) 3135 { 3136 3137 if (!vty_enabled(VTY_VT)) 3138 return; 3139 3140 if (main_vd->vd_prev_driver == NULL || 3141 main_vd->vd_driver != drv || 3142 main_vd->vd_softc != softc) 3143 return; 3144 3145 printf("VT: Switching back from \"%s\" to \"%s\".\n", 3146 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name); 3147 3148 vt_replace_backend(NULL, NULL); 3149 } 3150 3151 void 3152 vt_suspend(struct vt_device *vd) 3153 { 3154 int error; 3155 3156 if (vt_suspendswitch == 0) 3157 return; 3158 /* Save current window. */ 3159 vd->vd_savedwindow = vd->vd_curwindow; 3160 /* Ask holding process to free window and switch to console window */ 3161 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]); 3162 3163 /* Wait for the window switch to complete. */ 3164 error = 0; 3165 VT_LOCK(vd); 3166 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0) 3167 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 3168 VT_UNLOCK(vd); 3169 } 3170 3171 void 3172 vt_resume(struct vt_device *vd) 3173 { 3174 3175 if (vt_suspendswitch == 0) 3176 return; 3177 /* Switch back to saved window, if any */ 3178 vt_proc_window_switch(vd->vd_savedwindow); 3179 vd->vd_savedwindow = NULL; 3180 } 3181