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