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