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, 0, "vt(9) parameters"); 124 static VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)"); 125 static VT_SYSCTL_INT(enable_bell, 1, "Enable bell"); 126 static VT_SYSCTL_INT(debug, 0, "vt(9) debug level"); 127 static VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode"); 128 static VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend"); 129 130 /* Allow to disable some keyboard combinations. */ 131 static VT_SYSCTL_INT(kbd_halt, 1, "Enable halt keyboard combination. " 132 "See kbdmap(5) to configure."); 133 static VT_SYSCTL_INT(kbd_poweroff, 1, "Enable Power Off keyboard combination. " 134 "See kbdmap(5) to configure."); 135 static VT_SYSCTL_INT(kbd_reboot, 1, "Enable reboot keyboard combination. " 136 "See kbdmap(5) to configure (typically Ctrl-Alt-Delete)."); 137 static VT_SYSCTL_INT(kbd_debug, 1, "Enable key combination to enter debugger. " 138 "See kbdmap(5) to configure (typically Ctrl-Alt-Esc)."); 139 static VT_SYSCTL_INT(kbd_panic, 0, "Enable request to panic. " 140 "See kbdmap(5) to configure."); 141 142 /* Used internally, not a tunable. */ 143 int vt_draw_logo_cpus; 144 VT_SYSCTL_INT(splash_cpu, 0, "Show logo CPUs during boot"); 145 VT_SYSCTL_INT(splash_ncpu, 0, "Override number of logos displayed " 146 "(0 = do not override)"); 147 VT_SYSCTL_INT(splash_cpu_style, 2, "Draw logo style " 148 "(0 = Alternate beastie, 1 = Beastie, 2 = Orb)"); 149 VT_SYSCTL_INT(splash_cpu_duration, 10, "Hide logos after (seconds)"); 150 151 static unsigned int vt_unit = 0; 152 static MALLOC_DEFINE(M_VT, "vt", "vt device"); 153 struct vt_device *main_vd = &vt_consdev; 154 155 /* Boot logo. */ 156 extern unsigned int vt_logo_width; 157 extern unsigned int vt_logo_height; 158 extern unsigned int vt_logo_depth; 159 extern unsigned char vt_logo_image[]; 160 #ifndef DEV_SPLASH 161 #define vtterm_draw_cpu_logos(...) do {} while (0) 162 const unsigned int vt_logo_sprite_height; 163 #endif 164 165 /* Font. */ 166 extern struct vt_font vt_font_default; 167 #ifndef SC_NO_CUTPASTE 168 extern struct vt_mouse_cursor vt_default_mouse_pointer; 169 #endif 170 171 static int signal_vt_rel(struct vt_window *); 172 static int signal_vt_acq(struct vt_window *); 173 static int finish_vt_rel(struct vt_window *, int, int *); 174 static int finish_vt_acq(struct vt_window *); 175 static int vt_window_switch(struct vt_window *); 176 static int vt_late_window_switch(struct vt_window *); 177 static int vt_proc_alive(struct vt_window *); 178 static void vt_resize(struct vt_device *); 179 static void vt_update_static(void *); 180 #ifndef SC_NO_CUTPASTE 181 static void vt_mouse_paste(void); 182 #endif 183 static void vt_suspend_handler(void *priv); 184 static void vt_resume_handler(void *priv); 185 186 SET_DECLARE(vt_drv_set, struct vt_driver); 187 188 #define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)) 189 #define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_MAX_WIDTH)) 190 191 struct terminal vt_consterm; 192 static struct vt_window vt_conswindow; 193 #ifndef SC_NO_CONSDRAWN 194 static term_char_t vt_consdrawn[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 195 static term_color_t vt_consdrawnfg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 196 static term_color_t vt_consdrawnbg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 197 #endif 198 struct vt_device vt_consdev = { 199 .vd_driver = NULL, 200 .vd_softc = NULL, 201 .vd_prev_driver = NULL, 202 .vd_prev_softc = NULL, 203 .vd_flags = VDF_INVALID, 204 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, }, 205 .vd_curwindow = &vt_conswindow, 206 .vd_kbstate = 0, 207 208 #ifndef SC_NO_CUTPASTE 209 .vd_pastebuf = { 210 .vpb_buf = NULL, 211 .vpb_bufsz = 0, 212 .vpb_len = 0 213 }, 214 .vd_mcursor = &vt_default_mouse_pointer, 215 .vd_mcursor_fg = TC_WHITE, 216 .vd_mcursor_bg = TC_BLACK, 217 #endif 218 219 #ifndef SC_NO_CONSDRAWN 220 .vd_drawn = vt_consdrawn, 221 .vd_drawnfg = vt_consdrawnfg, 222 .vd_drawnbg = vt_consdrawnbg, 223 #endif 224 }; 225 static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)]; 226 static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE]; 227 static struct vt_window vt_conswindow = { 228 .vw_number = VT_CONSWINDOW, 229 .vw_flags = VWF_CONSOLE, 230 .vw_buf = { 231 .vb_buffer = &vt_constextbuf[0], 232 .vb_rows = &vt_constextbufrows[0], 233 .vb_history_size = VBF_DEFAULT_HISTORY_SIZE, 234 .vb_curroffset = 0, 235 .vb_roffset = 0, 236 .vb_flags = VBF_STATIC, 237 .vb_mark_start = {.tp_row = 0, .tp_col = 0,}, 238 .vb_mark_end = {.tp_row = 0, .tp_col = 0,}, 239 .vb_scr_size = { 240 .tp_row = _VTDEFH, 241 .tp_col = _VTDEFW, 242 }, 243 }, 244 .vw_device = &vt_consdev, 245 .vw_terminal = &vt_consterm, 246 .vw_kbdmode = K_XLATE, 247 .vw_grabbed = 0, 248 }; 249 struct terminal vt_consterm = { 250 .tm_class = &vt_termclass, 251 .tm_softc = &vt_conswindow, 252 .tm_flags = TF_CONS, 253 }; 254 static struct consdev vt_consterm_consdev = { 255 .cn_ops = &termcn_cnops, 256 .cn_arg = &vt_consterm, 257 .cn_name = "ttyv0", 258 }; 259 260 /* Add to set of consoles. */ 261 DATA_SET(cons_set, vt_consterm_consdev); 262 263 /* 264 * Right after kmem is done to allow early drivers to use locking and allocate 265 * memory. 266 */ 267 SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static, 268 &vt_consdev); 269 /* Delay until all devices attached, to not waste time. */ 270 SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade, 271 &vt_consdev); 272 273 /* Initialize locks/mem depended members. */ 274 static void 275 vt_update_static(void *dummy) 276 { 277 278 if (!vty_enabled(VTY_VT)) 279 return; 280 if (main_vd->vd_driver != NULL) 281 printf("VT(%s): %s %ux%u\n", main_vd->vd_driver->vd_name, 282 (main_vd->vd_flags & VDF_TEXTMODE) ? "text" : "resolution", 283 main_vd->vd_width, main_vd->vd_height); 284 else 285 printf("VT: init without driver.\n"); 286 287 mtx_init(&main_vd->vd_lock, "vtdev", NULL, MTX_DEF); 288 cv_init(&main_vd->vd_winswitch, "vtwswt"); 289 } 290 291 static void 292 vt_schedule_flush(struct vt_device *vd, int ms) 293 { 294 295 if (ms <= 0) 296 /* Default to initial value. */ 297 ms = 1000 / VT_TIMERFREQ; 298 299 callout_schedule(&vd->vd_timer, hz / (1000 / ms)); 300 } 301 302 void 303 vt_resume_flush_timer(struct vt_window *vw, int ms) 304 { 305 struct vt_device *vd = vw->vw_device; 306 307 if (vd->vd_curwindow != vw) 308 return; 309 310 if (!(vd->vd_flags & VDF_ASYNC) || 311 !atomic_cmpset_int(&vd->vd_timer_armed, 0, 1)) 312 return; 313 314 vt_schedule_flush(vd, ms); 315 } 316 317 static void 318 vt_suspend_flush_timer(struct vt_device *vd) 319 { 320 /* 321 * As long as this function is called locked, callout_stop() 322 * has the same effect like callout_drain() with regard to 323 * preventing the callback function from executing. 324 */ 325 VT_LOCK_ASSERT(vd, MA_OWNED); 326 327 if (!(vd->vd_flags & VDF_ASYNC) || 328 !atomic_cmpset_int(&vd->vd_timer_armed, 1, 0)) 329 return; 330 331 callout_stop(&vd->vd_timer); 332 } 333 334 static void 335 vt_switch_timer(void *arg) 336 { 337 338 (void)vt_late_window_switch((struct vt_window *)arg); 339 } 340 341 static int 342 vt_save_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 343 { 344 int mode, ret; 345 346 mode = 0; 347 ret = kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode); 348 if (ret == ENOIOCTL) 349 ret = ENODEV; 350 if (ret != 0) 351 return (ret); 352 353 vw->vw_kbdmode = mode; 354 355 return (0); 356 } 357 358 static int 359 vt_update_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 360 { 361 int ret; 362 363 ret = kbdd_ioctl(kbd, KDSKBMODE, (caddr_t)&vw->vw_kbdmode); 364 if (ret == ENOIOCTL) 365 ret = ENODEV; 366 367 return (ret); 368 } 369 370 static int 371 vt_save_kbd_state(struct vt_window *vw, keyboard_t *kbd) 372 { 373 int state, ret; 374 375 state = 0; 376 ret = kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state); 377 if (ret == ENOIOCTL) 378 ret = ENODEV; 379 if (ret != 0) 380 return (ret); 381 382 vw->vw_kbdstate &= ~LOCK_MASK; 383 vw->vw_kbdstate |= state & LOCK_MASK; 384 385 return (0); 386 } 387 388 static int 389 vt_update_kbd_state(struct vt_window *vw, keyboard_t *kbd) 390 { 391 int state, ret; 392 393 state = vw->vw_kbdstate & LOCK_MASK; 394 ret = kbdd_ioctl(kbd, KDSKBSTATE, (caddr_t)&state); 395 if (ret == ENOIOCTL) 396 ret = ENODEV; 397 398 return (ret); 399 } 400 401 static int 402 vt_save_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 403 { 404 int leds, ret; 405 406 leds = 0; 407 ret = kbdd_ioctl(kbd, KDGETLED, (caddr_t)&leds); 408 if (ret == ENOIOCTL) 409 ret = ENODEV; 410 if (ret != 0) 411 return (ret); 412 413 vw->vw_kbdstate &= ~LED_MASK; 414 vw->vw_kbdstate |= leds & LED_MASK; 415 416 return (0); 417 } 418 419 static int 420 vt_update_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 421 { 422 int leds, ret; 423 424 leds = vw->vw_kbdstate & LED_MASK; 425 ret = kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 426 if (ret == ENOIOCTL) 427 ret = ENODEV; 428 429 return (ret); 430 } 431 432 static int 433 vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw) 434 { 435 436 DPRINTF(40, "%s\n", __func__); 437 curvw->vw_switch_to = vw; 438 /* Set timer to allow switch in case when process hang. */ 439 callout_reset(&vw->vw_proc_dead_timer, hz * vt_deadtimer, 440 vt_switch_timer, (void *)vw); 441 /* Notify process about vt switch attempt. */ 442 DPRINTF(30, "%s: Notify process.\n", __func__); 443 signal_vt_rel(curvw); 444 445 return (0); 446 } 447 448 static int 449 vt_window_postswitch(struct vt_window *vw) 450 { 451 452 signal_vt_acq(vw); 453 return (0); 454 } 455 456 /* vt_late_window_switch will done VT switching for regular case. */ 457 static int 458 vt_late_window_switch(struct vt_window *vw) 459 { 460 struct vt_window *curvw; 461 int ret; 462 463 callout_stop(&vw->vw_proc_dead_timer); 464 465 ret = vt_window_switch(vw); 466 if (ret != 0) { 467 /* 468 * If the switch hasn't happened, then return the VT 469 * to the current owner, if any. 470 */ 471 curvw = vw->vw_device->vd_curwindow; 472 if (curvw->vw_smode.mode == VT_PROCESS) 473 (void)vt_window_postswitch(curvw); 474 return (ret); 475 } 476 477 /* Notify owner process about terminal availability. */ 478 if (vw->vw_smode.mode == VT_PROCESS) { 479 ret = vt_window_postswitch(vw); 480 } 481 return (ret); 482 } 483 484 /* Switch window. */ 485 static int 486 vt_proc_window_switch(struct vt_window *vw) 487 { 488 struct vt_window *curvw; 489 struct vt_device *vd; 490 int ret; 491 492 /* Prevent switching to NULL */ 493 if (vw == NULL) { 494 DPRINTF(30, "%s: Cannot switch: vw is NULL.", __func__); 495 return (EINVAL); 496 } 497 vd = vw->vw_device; 498 curvw = vd->vd_curwindow; 499 500 /* Check if virtual terminal is locked */ 501 if (curvw->vw_flags & VWF_VTYLOCK) 502 return (EBUSY); 503 504 /* Check if switch already in progress */ 505 if (curvw->vw_flags & VWF_SWWAIT_REL) { 506 /* Check if switching to same window */ 507 if (curvw->vw_switch_to == vw) { 508 DPRINTF(30, "%s: Switch in progress to same vw.", __func__); 509 return (0); /* success */ 510 } 511 DPRINTF(30, "%s: Switch in progress to different vw.", __func__); 512 return (EBUSY); 513 } 514 515 /* Avoid switching to already selected window */ 516 if (vw == curvw) { 517 DPRINTF(30, "%s: Cannot switch: vw == curvw.", __func__); 518 return (0); /* success */ 519 } 520 521 /* 522 * Early check for an attempt to switch to a non-functional VT. 523 * The same check is done in vt_window_switch(), but it's better 524 * to fail as early as possible to avoid needless pre-switch 525 * actions. 526 */ 527 VT_LOCK(vd); 528 if ((vw->vw_flags & (VWF_OPENED|VWF_CONSOLE)) == 0) { 529 VT_UNLOCK(vd); 530 return (EINVAL); 531 } 532 VT_UNLOCK(vd); 533 534 /* Ask current process permission to switch away. */ 535 if (curvw->vw_smode.mode == VT_PROCESS) { 536 DPRINTF(30, "%s: VT_PROCESS ", __func__); 537 if (vt_proc_alive(curvw) == FALSE) { 538 DPRINTF(30, "Dead. Cleaning."); 539 /* Dead */ 540 } else { 541 DPRINTF(30, "%s: Signaling process.\n", __func__); 542 /* Alive, try to ask him. */ 543 ret = vt_window_preswitch(vw, curvw); 544 /* Wait for process answer or timeout. */ 545 return (ret); 546 } 547 DPRINTF(30, "\n"); 548 } 549 550 ret = vt_late_window_switch(vw); 551 return (ret); 552 } 553 554 /* Switch window ignoring process locking. */ 555 static int 556 vt_window_switch(struct vt_window *vw) 557 { 558 struct vt_device *vd = vw->vw_device; 559 struct vt_window *curvw = vd->vd_curwindow; 560 keyboard_t *kbd; 561 562 if (kdb_active) { 563 /* 564 * When grabbing the console for the debugger, avoid 565 * locks as that can result in deadlock. While this 566 * could use try locks, that wouldn't really make a 567 * difference as there are sufficient barriers in 568 * debugger entry/exit to be equivalent to 569 * successfully try-locking here. 570 */ 571 if (curvw == vw) 572 return (0); 573 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) 574 return (EINVAL); 575 576 vd->vd_curwindow = vw; 577 vd->vd_flags |= VDF_INVALID; 578 if (vd->vd_driver->vd_postswitch) 579 vd->vd_driver->vd_postswitch(vd); 580 return (0); 581 } 582 583 VT_LOCK(vd); 584 if (curvw == vw) { 585 /* Nothing to do. */ 586 VT_UNLOCK(vd); 587 return (0); 588 } 589 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) { 590 VT_UNLOCK(vd); 591 return (EINVAL); 592 } 593 594 vt_suspend_flush_timer(vd); 595 596 vd->vd_curwindow = vw; 597 vd->vd_flags |= VDF_INVALID; 598 cv_broadcast(&vd->vd_winswitch); 599 VT_UNLOCK(vd); 600 601 if (vd->vd_driver->vd_postswitch) 602 vd->vd_driver->vd_postswitch(vd); 603 604 vt_resume_flush_timer(vw, 0); 605 606 /* Restore per-window keyboard mode. */ 607 mtx_lock(&Giant); 608 kbd = kbd_get_keyboard(vd->vd_keyboard); 609 if (kbd != 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 = -1; 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 } 1046 vd->vd_keyboard = idx0; 1047 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard); 1048 1049 if (vd->vd_curwindow == &vt_conswindow) { 1050 for (i = 0; i < grabbed; ++i) 1051 vtterm_cngrab(vd->vd_curwindow->vw_terminal); 1052 } 1053 1054 return (idx0); 1055 } 1056 1057 static void 1058 vtterm_bell(struct terminal *tm) 1059 { 1060 struct vt_window *vw = tm->tm_softc; 1061 struct vt_device *vd = vw->vw_device; 1062 1063 if (!vt_enable_bell) 1064 return; 1065 1066 if (vd->vd_flags & VDF_QUIET_BELL) 1067 return; 1068 1069 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION); 1070 } 1071 1072 static void 1073 vtterm_beep(struct terminal *tm, u_int param) 1074 { 1075 u_int freq, period; 1076 1077 if (!vt_enable_bell) 1078 return; 1079 1080 if ((param == 0) || ((param & 0xffff) == 0)) { 1081 vtterm_bell(tm); 1082 return; 1083 } 1084 1085 period = ((param >> 16) & 0xffff) * hz / 1000; 1086 freq = 1193182 / (param & 0xffff); 1087 1088 sysbeep(freq, period); 1089 } 1090 1091 static void 1092 vtterm_cursor(struct terminal *tm, const term_pos_t *p) 1093 { 1094 struct vt_window *vw = tm->tm_softc; 1095 1096 vtbuf_cursor_position(&vw->vw_buf, p); 1097 } 1098 1099 static void 1100 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c) 1101 { 1102 struct vt_window *vw = tm->tm_softc; 1103 1104 vtbuf_putchar(&vw->vw_buf, p, c); 1105 } 1106 1107 static void 1108 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c) 1109 { 1110 struct vt_window *vw = tm->tm_softc; 1111 1112 vtbuf_fill(&vw->vw_buf, r, c); 1113 } 1114 1115 static void 1116 vtterm_copy(struct terminal *tm, const term_rect_t *r, 1117 const term_pos_t *p) 1118 { 1119 struct vt_window *vw = tm->tm_softc; 1120 1121 vtbuf_copy(&vw->vw_buf, r, p); 1122 } 1123 1124 static void 1125 vtterm_param(struct terminal *tm, int cmd, unsigned int arg) 1126 { 1127 struct vt_window *vw = tm->tm_softc; 1128 1129 switch (cmd) { 1130 case TP_SETLOCALCURSOR: 1131 /* 1132 * 0 means normal (usually block), 1 means hidden, and 1133 * 2 means blinking (always block) for compatibility with 1134 * syscons. We don't support any changes except hiding, 1135 * so must map 2 to 0. 1136 */ 1137 arg = (arg == 1) ? 0 : 1; 1138 /* FALLTHROUGH */ 1139 case TP_SHOWCURSOR: 1140 vtbuf_cursor_visibility(&vw->vw_buf, arg); 1141 vt_resume_flush_timer(vw, 0); 1142 break; 1143 case TP_MOUSE: 1144 vw->vw_mouse_level = arg; 1145 break; 1146 } 1147 } 1148 1149 void 1150 vt_determine_colors(term_char_t c, int cursor, 1151 term_color_t *fg, term_color_t *bg) 1152 { 1153 term_color_t tmp; 1154 int invert; 1155 1156 invert = 0; 1157 1158 *fg = TCHAR_FGCOLOR(c); 1159 if (TCHAR_FORMAT(c) & TF_BOLD) 1160 *fg = TCOLOR_LIGHT(*fg); 1161 *bg = TCHAR_BGCOLOR(c); 1162 if (TCHAR_FORMAT(c) & TF_BLINK) 1163 *bg = TCOLOR_LIGHT(*bg); 1164 1165 if (TCHAR_FORMAT(c) & TF_REVERSE) 1166 invert ^= 1; 1167 if (cursor) 1168 invert ^= 1; 1169 1170 if (invert) { 1171 tmp = *fg; 1172 *fg = *bg; 1173 *bg = tmp; 1174 } 1175 } 1176 1177 #ifndef SC_NO_CUTPASTE 1178 int 1179 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area) 1180 { 1181 unsigned int mx, my; 1182 1183 /* 1184 * We use the cursor position saved during the current refresh, 1185 * in case the cursor moved since. 1186 */ 1187 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col; 1188 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row; 1189 1190 if (mx >= area->tr_end.tp_col || 1191 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col || 1192 my >= area->tr_end.tp_row || 1193 my + vd->vd_mcursor->height <= area->tr_begin.tp_row) 1194 return (0); 1195 return (1); 1196 } 1197 1198 static void 1199 vt_mark_mouse_position_as_dirty(struct vt_device *vd, int locked) 1200 { 1201 term_rect_t area; 1202 struct vt_window *vw; 1203 struct vt_font *vf; 1204 int x, y; 1205 1206 vw = vd->vd_curwindow; 1207 vf = vw->vw_font; 1208 1209 x = vd->vd_mx_drawn; 1210 y = vd->vd_my_drawn; 1211 1212 if (vf != NULL) { 1213 area.tr_begin.tp_col = x / vf->vf_width; 1214 area.tr_begin.tp_row = y / vf->vf_height; 1215 area.tr_end.tp_col = 1216 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1; 1217 area.tr_end.tp_row = 1218 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1; 1219 } else { 1220 /* 1221 * No font loaded (ie. vt_vga operating in textmode). 1222 * 1223 * FIXME: This fake area needs to be revisited once the 1224 * mouse cursor is supported in vt_vga's textmode. 1225 */ 1226 area.tr_begin.tp_col = x; 1227 area.tr_begin.tp_row = y; 1228 area.tr_end.tp_col = x + 2; 1229 area.tr_end.tp_row = y + 2; 1230 } 1231 1232 if (!locked) 1233 vtbuf_lock(&vw->vw_buf); 1234 if (vd->vd_driver->vd_invalidate_text) 1235 vd->vd_driver->vd_invalidate_text(vd, &area); 1236 vtbuf_dirty(&vw->vw_buf, &area); 1237 if (!locked) 1238 vtbuf_unlock(&vw->vw_buf); 1239 } 1240 #endif 1241 1242 static void 1243 vt_set_border(struct vt_device *vd, const term_rect_t *area, 1244 term_color_t c) 1245 { 1246 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect; 1247 1248 if (drawrect == NULL) 1249 return; 1250 1251 /* Top bar */ 1252 if (area->tr_begin.tp_row > 0) 1253 drawrect(vd, 0, 0, vd->vd_width - 1, 1254 area->tr_begin.tp_row - 1, 1, c); 1255 1256 /* Left bar */ 1257 if (area->tr_begin.tp_col > 0) 1258 drawrect(vd, 0, area->tr_begin.tp_row, 1259 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c); 1260 1261 /* Right bar */ 1262 if (area->tr_end.tp_col < vd->vd_width) 1263 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row, 1264 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c); 1265 1266 /* Bottom bar */ 1267 if (area->tr_end.tp_row < vd->vd_height) 1268 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1, 1269 vd->vd_height - 1, 1, c); 1270 } 1271 1272 static int 1273 vt_flush(struct vt_device *vd) 1274 { 1275 struct vt_window *vw; 1276 struct vt_font *vf; 1277 term_rect_t tarea; 1278 #ifndef SC_NO_CUTPASTE 1279 int cursor_was_shown, cursor_moved; 1280 #endif 1281 1282 vw = vd->vd_curwindow; 1283 if (vw == NULL) 1284 return (0); 1285 1286 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY) 1287 return (0); 1288 1289 vf = vw->vw_font; 1290 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL)) 1291 return (0); 1292 1293 vtbuf_lock(&vw->vw_buf); 1294 1295 #ifndef SC_NO_CUTPASTE 1296 cursor_was_shown = vd->vd_mshown; 1297 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn || 1298 vd->vd_my != vd->vd_my_drawn); 1299 1300 /* Check if the cursor should be displayed or not. */ 1301 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */ 1302 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */ 1303 !kdb_active && panicstr == NULL) { /* DDB inactive. */ 1304 vd->vd_mshown = 1; 1305 } else { 1306 vd->vd_mshown = 0; 1307 } 1308 1309 /* 1310 * If the cursor changed display state or moved, we must mark 1311 * the old position as dirty, so that it's erased. 1312 */ 1313 if (cursor_was_shown != vd->vd_mshown || 1314 (vd->vd_mshown && cursor_moved)) 1315 vt_mark_mouse_position_as_dirty(vd, true); 1316 1317 /* 1318 * Save position of the mouse cursor. It's used by backends to 1319 * know where to draw the cursor and during the next refresh to 1320 * erase the previous position. 1321 */ 1322 vd->vd_mx_drawn = vd->vd_mx; 1323 vd->vd_my_drawn = vd->vd_my; 1324 1325 /* 1326 * If the cursor is displayed and has moved since last refresh, 1327 * mark the new position as dirty. 1328 */ 1329 if (vd->vd_mshown && cursor_moved) 1330 vt_mark_mouse_position_as_dirty(vd, true); 1331 #endif 1332 1333 vtbuf_undirty(&vw->vw_buf, &tarea); 1334 1335 /* Force a full redraw when the screen contents might be invalid. */ 1336 if (vd->vd_flags & (VDF_INVALID | VDF_SUSPENDED)) { 1337 const teken_attr_t *a; 1338 1339 vd->vd_flags &= ~VDF_INVALID; 1340 1341 a = teken_get_curattr(&vw->vw_terminal->tm_emulator); 1342 vt_set_border(vd, &vw->vw_draw_area, a->ta_bgcolor); 1343 vt_termrect(vd, vf, &tarea); 1344 if (vd->vd_driver->vd_invalidate_text) 1345 vd->vd_driver->vd_invalidate_text(vd, &tarea); 1346 if (vt_draw_logo_cpus) 1347 vtterm_draw_cpu_logos(vd); 1348 } 1349 1350 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) { 1351 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea); 1352 vtbuf_unlock(&vw->vw_buf); 1353 return (1); 1354 } 1355 1356 vtbuf_unlock(&vw->vw_buf); 1357 return (0); 1358 } 1359 1360 static void 1361 vt_timer(void *arg) 1362 { 1363 struct vt_device *vd; 1364 int changed; 1365 1366 vd = arg; 1367 /* Update screen if required. */ 1368 changed = vt_flush(vd); 1369 1370 /* Schedule for next update. */ 1371 if (changed) 1372 vt_schedule_flush(vd, 0); 1373 else 1374 vd->vd_timer_armed = 0; 1375 } 1376 1377 static void 1378 vtterm_pre_input(struct terminal *tm) 1379 { 1380 struct vt_window *vw = tm->tm_softc; 1381 1382 vtbuf_lock(&vw->vw_buf); 1383 } 1384 1385 static void 1386 vtterm_post_input(struct terminal *tm) 1387 { 1388 struct vt_window *vw = tm->tm_softc; 1389 1390 vtbuf_unlock(&vw->vw_buf); 1391 vt_resume_flush_timer(vw, 0); 1392 } 1393 1394 static void 1395 vtterm_done(struct terminal *tm) 1396 { 1397 struct vt_window *vw = tm->tm_softc; 1398 struct vt_device *vd = vw->vw_device; 1399 1400 if (kdb_active || panicstr != NULL) { 1401 /* Switch to the debugger. */ 1402 if (vd->vd_curwindow != vw) { 1403 vd->vd_curwindow = vw; 1404 vd->vd_flags |= VDF_INVALID; 1405 if (vd->vd_driver->vd_postswitch) 1406 vd->vd_driver->vd_postswitch(vd); 1407 } 1408 vd->vd_flags &= ~VDF_SPLASH; 1409 vt_flush(vd); 1410 } else if (!(vd->vd_flags & VDF_ASYNC)) { 1411 vt_flush(vd); 1412 } 1413 } 1414 1415 #ifdef DEV_SPLASH 1416 static void 1417 vtterm_splash(struct vt_device *vd) 1418 { 1419 vt_axis_t top, left; 1420 1421 /* Display a nice boot splash. */ 1422 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) { 1423 1424 top = (vd->vd_height - vt_logo_height) / 2; 1425 left = (vd->vd_width - vt_logo_width) / 2; 1426 switch (vt_logo_depth) { 1427 case 1: 1428 /* XXX: Unhardcode colors! */ 1429 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow, 1430 vt_logo_image, NULL, vt_logo_width, vt_logo_height, 1431 left, top, TC_WHITE, TC_BLACK); 1432 } 1433 vd->vd_flags |= VDF_SPLASH; 1434 } 1435 } 1436 #endif 1437 1438 1439 static void 1440 vtterm_cnprobe(struct terminal *tm, struct consdev *cp) 1441 { 1442 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL; 1443 struct vt_window *vw = tm->tm_softc; 1444 struct vt_device *vd = vw->vw_device; 1445 struct winsize wsz; 1446 const term_attr_t *a; 1447 1448 if (!vty_enabled(VTY_VT)) 1449 return; 1450 1451 if (vd->vd_flags & VDF_INITIALIZED) 1452 /* Initialization already done. */ 1453 return; 1454 1455 SET_FOREACH(vtdlist, vt_drv_set) { 1456 vtd = *vtdlist; 1457 if (vtd->vd_probe == NULL) 1458 continue; 1459 if (vtd->vd_probe(vd) == CN_DEAD) 1460 continue; 1461 if ((vtdbest == NULL) || 1462 (vtd->vd_priority > vtdbest->vd_priority)) 1463 vtdbest = vtd; 1464 } 1465 if (vtdbest == NULL) { 1466 cp->cn_pri = CN_DEAD; 1467 vd->vd_flags |= VDF_DEAD; 1468 } else { 1469 vd->vd_driver = vtdbest; 1470 cp->cn_pri = vd->vd_driver->vd_init(vd); 1471 } 1472 1473 /* Check if driver's vt_init return CN_DEAD. */ 1474 if (cp->cn_pri == CN_DEAD) { 1475 vd->vd_flags |= VDF_DEAD; 1476 } 1477 1478 /* Initialize any early-boot keyboard drivers */ 1479 kbd_configure(KB_CONF_PROBE_ONLY); 1480 1481 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1); 1482 vd->vd_windows[VT_CONSWINDOW] = vw; 1483 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw)); 1484 1485 /* Attach default font if not in TEXTMODE. */ 1486 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 1487 vw->vw_font = vtfont_ref(&vt_font_default); 1488 vt_compute_drawable_area(vw); 1489 } 1490 1491 /* 1492 * The original screen size was faked (_VTDEFW x _VTDEFH). Now 1493 * that we have the real viewable size, fix it in the static 1494 * buffer. 1495 */ 1496 if (vd->vd_width != 0 && vd->vd_height != 0) 1497 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size); 1498 1499 /* We need to access terminal attributes from vtbuf */ 1500 vw->vw_buf.vb_terminal = tm; 1501 vtbuf_init_early(&vw->vw_buf); 1502 vt_winsize(vd, vw->vw_font, &wsz); 1503 a = teken_get_curattr(&tm->tm_emulator); 1504 terminal_set_winsize_blank(tm, &wsz, 1, a); 1505 1506 if (vtdbest != NULL) { 1507 #ifdef DEV_SPLASH 1508 if (!vt_splash_cpu) 1509 vtterm_splash(vd); 1510 #endif 1511 vd->vd_flags |= VDF_INITIALIZED; 1512 } 1513 } 1514 1515 static int 1516 vtterm_cngetc(struct terminal *tm) 1517 { 1518 struct vt_window *vw = tm->tm_softc; 1519 struct vt_device *vd = vw->vw_device; 1520 keyboard_t *kbd; 1521 u_int c; 1522 1523 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1524 return (*vw->vw_kbdsq++); 1525 1526 /* Make sure the splash screen is not there. */ 1527 if (vd->vd_flags & VDF_SPLASH) { 1528 /* Remove splash */ 1529 vd->vd_flags &= ~VDF_SPLASH; 1530 /* Mark screen as invalid to force update */ 1531 vd->vd_flags |= VDF_INVALID; 1532 vt_flush(vd); 1533 } 1534 1535 /* Stripped down keyboard handler. */ 1536 kbd = kbd_get_keyboard(vd->vd_keyboard); 1537 if (kbd == NULL) 1538 return (-1); 1539 1540 /* Force keyboard input mode to K_XLATE */ 1541 vw->vw_kbdmode = K_XLATE; 1542 vt_update_kbd_mode(vw, kbd); 1543 1544 /* Switch the keyboard to polling to make it work here. */ 1545 kbdd_poll(kbd, TRUE); 1546 c = kbdd_read_char(kbd, 0); 1547 kbdd_poll(kbd, FALSE); 1548 if (c & RELKEY) 1549 return (-1); 1550 1551 if (vw->vw_flags & VWF_SCROLL) { 1552 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */); 1553 vt_flush(vd); 1554 return (-1); 1555 } 1556 1557 /* Stripped down handling of vt_kbdevent(), without locking, etc. */ 1558 if (c & SPCLKEY) { 1559 switch (c) { 1560 case SPCLKEY | SLK: 1561 vt_save_kbd_state(vw, kbd); 1562 if (vw->vw_kbdstate & SLKED) { 1563 /* Turn scrolling on. */ 1564 vw->vw_flags |= VWF_SCROLL; 1565 VTBUF_SLCK_ENABLE(&vw->vw_buf); 1566 } else { 1567 /* Turn scrolling off. */ 1568 vt_scroll(vw, 0, VHS_END); 1569 vw->vw_flags &= ~VWF_SCROLL; 1570 VTBUF_SLCK_DISABLE(&vw->vw_buf); 1571 } 1572 break; 1573 /* XXX: KDB can handle history. */ 1574 case SPCLKEY | FKEY | F(50): /* Arrow up. */ 1575 vw->vw_kbdsq = "\x1b[A"; 1576 break; 1577 case SPCLKEY | FKEY | F(58): /* Arrow down. */ 1578 vw->vw_kbdsq = "\x1b[B"; 1579 break; 1580 case SPCLKEY | FKEY | F(55): /* Arrow right. */ 1581 vw->vw_kbdsq = "\x1b[C"; 1582 break; 1583 case SPCLKEY | FKEY | F(53): /* Arrow left. */ 1584 vw->vw_kbdsq = "\x1b[D"; 1585 break; 1586 } 1587 1588 /* Force refresh to make scrollback work. */ 1589 vt_flush(vd); 1590 } else if (KEYFLAGS(c) == 0) { 1591 return (KEYCHAR(c)); 1592 } 1593 1594 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1595 return (*vw->vw_kbdsq++); 1596 1597 return (-1); 1598 } 1599 1600 static void 1601 vtterm_cngrab(struct terminal *tm) 1602 { 1603 struct vt_device *vd; 1604 struct vt_window *vw; 1605 keyboard_t *kbd; 1606 1607 vw = tm->tm_softc; 1608 vd = vw->vw_device; 1609 1610 if (!cold) 1611 vt_window_switch(vw); 1612 1613 kbd = kbd_get_keyboard(vd->vd_keyboard); 1614 if (kbd == 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 kbd = kbd_get_keyboard(vd->vd_keyboard); 1645 if (kbd == NULL) 1646 return; 1647 1648 if (--vw->vw_grabbed > 0) 1649 return; 1650 1651 kbdd_poll(kbd, FALSE); 1652 1653 vw->vw_kbdmode = vw->vw_prev_kbdmode; 1654 vt_update_kbd_mode(vw, kbd); 1655 kbdd_disable(kbd); 1656 } 1657 1658 static void 1659 vtterm_opened(struct terminal *tm, int opened) 1660 { 1661 struct vt_window *vw = tm->tm_softc; 1662 struct vt_device *vd = vw->vw_device; 1663 1664 VT_LOCK(vd); 1665 vd->vd_flags &= ~VDF_SPLASH; 1666 if (opened) 1667 vw->vw_flags |= VWF_OPENED; 1668 else { 1669 vw->vw_flags &= ~VWF_OPENED; 1670 /* TODO: finish ACQ/REL */ 1671 } 1672 VT_UNLOCK(vd); 1673 } 1674 1675 static int 1676 vt_change_font(struct vt_window *vw, struct vt_font *vf) 1677 { 1678 struct vt_device *vd = vw->vw_device; 1679 struct terminal *tm = vw->vw_terminal; 1680 term_pos_t size; 1681 struct winsize wsz; 1682 1683 /* 1684 * Changing fonts. 1685 * 1686 * Changing fonts is a little tricky. We must prevent 1687 * simultaneous access to the device, so we must stop 1688 * the display timer and the terminal from accessing. 1689 * We need to switch fonts and grow our screen buffer. 1690 * 1691 * XXX: Right now the code uses terminal_mute() to 1692 * prevent data from reaching the console driver while 1693 * resizing the screen buffer. This isn't elegant... 1694 */ 1695 1696 VT_LOCK(vd); 1697 if (vw->vw_flags & VWF_BUSY) { 1698 /* Another process is changing the font. */ 1699 VT_UNLOCK(vd); 1700 return (EBUSY); 1701 } 1702 vw->vw_flags |= VWF_BUSY; 1703 VT_UNLOCK(vd); 1704 1705 vt_termsize(vd, vf, &size); 1706 vt_winsize(vd, vf, &wsz); 1707 1708 /* Grow the screen buffer and terminal. */ 1709 terminal_mute(tm, 1); 1710 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 1711 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 1712 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 1713 terminal_mute(tm, 0); 1714 1715 /* Actually apply the font to the current window. */ 1716 VT_LOCK(vd); 1717 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) { 1718 /* 1719 * In case vt_change_font called to update size we don't need 1720 * to update font link. 1721 */ 1722 vtfont_unref(vw->vw_font); 1723 vw->vw_font = vtfont_ref(vf); 1724 } 1725 1726 /* 1727 * Compute the drawable area and move the mouse cursor inside 1728 * it, in case the new area is smaller than the previous one. 1729 */ 1730 vt_compute_drawable_area(vw); 1731 vd->vd_mx = min(vd->vd_mx, 1732 vw->vw_draw_area.tr_end.tp_col - 1733 vw->vw_draw_area.tr_begin.tp_col - 1); 1734 vd->vd_my = min(vd->vd_my, 1735 vw->vw_draw_area.tr_end.tp_row - 1736 vw->vw_draw_area.tr_begin.tp_row - 1); 1737 1738 /* Force a full redraw the next timer tick. */ 1739 if (vd->vd_curwindow == vw) { 1740 vd->vd_flags |= VDF_INVALID; 1741 vt_resume_flush_timer(vw, 0); 1742 } 1743 vw->vw_flags &= ~VWF_BUSY; 1744 VT_UNLOCK(vd); 1745 return (0); 1746 } 1747 1748 static int 1749 vt_proc_alive(struct vt_window *vw) 1750 { 1751 struct proc *p; 1752 1753 if (vw->vw_smode.mode != VT_PROCESS) 1754 return (FALSE); 1755 1756 if (vw->vw_proc) { 1757 if ((p = pfind(vw->vw_pid)) != NULL) 1758 PROC_UNLOCK(p); 1759 if (vw->vw_proc == p) 1760 return (TRUE); 1761 vw->vw_proc = NULL; 1762 vw->vw_smode.mode = VT_AUTO; 1763 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid); 1764 vw->vw_pid = 0; 1765 } 1766 return (FALSE); 1767 } 1768 1769 static int 1770 signal_vt_rel(struct vt_window *vw) 1771 { 1772 1773 if (vw->vw_smode.mode != VT_PROCESS) 1774 return (FALSE); 1775 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1776 vw->vw_proc = NULL; 1777 vw->vw_pid = 0; 1778 return (TRUE); 1779 } 1780 vw->vw_flags |= VWF_SWWAIT_REL; 1781 PROC_LOCK(vw->vw_proc); 1782 kern_psignal(vw->vw_proc, vw->vw_smode.relsig); 1783 PROC_UNLOCK(vw->vw_proc); 1784 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid); 1785 return (TRUE); 1786 } 1787 1788 static int 1789 signal_vt_acq(struct vt_window *vw) 1790 { 1791 1792 if (vw->vw_smode.mode != VT_PROCESS) 1793 return (FALSE); 1794 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 1795 cnavailable(vw->vw_terminal->consdev, FALSE); 1796 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1797 vw->vw_proc = NULL; 1798 vw->vw_pid = 0; 1799 return (TRUE); 1800 } 1801 vw->vw_flags |= VWF_SWWAIT_ACQ; 1802 PROC_LOCK(vw->vw_proc); 1803 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig); 1804 PROC_UNLOCK(vw->vw_proc); 1805 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid); 1806 return (TRUE); 1807 } 1808 1809 static int 1810 finish_vt_rel(struct vt_window *vw, int release, int *s) 1811 { 1812 1813 if (vw->vw_flags & VWF_SWWAIT_REL) { 1814 vw->vw_flags &= ~VWF_SWWAIT_REL; 1815 if (release) { 1816 callout_drain(&vw->vw_proc_dead_timer); 1817 (void)vt_late_window_switch(vw->vw_switch_to); 1818 } 1819 return (0); 1820 } 1821 return (EINVAL); 1822 } 1823 1824 static int 1825 finish_vt_acq(struct vt_window *vw) 1826 { 1827 1828 if (vw->vw_flags & VWF_SWWAIT_ACQ) { 1829 vw->vw_flags &= ~VWF_SWWAIT_ACQ; 1830 return (0); 1831 } 1832 return (EINVAL); 1833 } 1834 1835 #ifndef SC_NO_CUTPASTE 1836 static void 1837 vt_mouse_terminput_button(struct vt_device *vd, int button) 1838 { 1839 struct vt_window *vw; 1840 struct vt_font *vf; 1841 char mouseb[6] = "\x1B[M"; 1842 int i, x, y; 1843 1844 vw = vd->vd_curwindow; 1845 vf = vw->vw_font; 1846 1847 /* Translate to char position. */ 1848 x = vd->vd_mx / vf->vf_width; 1849 y = vd->vd_my / vf->vf_height; 1850 /* Avoid overflow. */ 1851 x = MIN(x, 255 - '!'); 1852 y = MIN(y, 255 - '!'); 1853 1854 mouseb[3] = ' ' + button; 1855 mouseb[4] = '!' + x; 1856 mouseb[5] = '!' + y; 1857 1858 for (i = 0; i < sizeof(mouseb); i++) 1859 terminal_input_char(vw->vw_terminal, mouseb[i]); 1860 } 1861 1862 static void 1863 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event, 1864 int cnt) 1865 { 1866 1867 switch (type) { 1868 case MOUSE_BUTTON_EVENT: 1869 if (cnt > 0) { 1870 /* Mouse button pressed. */ 1871 if (event & MOUSE_BUTTON1DOWN) 1872 vt_mouse_terminput_button(vd, 0); 1873 if (event & MOUSE_BUTTON2DOWN) 1874 vt_mouse_terminput_button(vd, 1); 1875 if (event & MOUSE_BUTTON3DOWN) 1876 vt_mouse_terminput_button(vd, 2); 1877 } else { 1878 /* Mouse button released. */ 1879 vt_mouse_terminput_button(vd, 3); 1880 } 1881 break; 1882 #ifdef notyet 1883 case MOUSE_MOTION_EVENT: 1884 if (mouse->u.data.z < 0) { 1885 /* Scroll up. */ 1886 sc_mouse_input_button(vd, 64); 1887 } else if (mouse->u.data.z > 0) { 1888 /* Scroll down. */ 1889 sc_mouse_input_button(vd, 65); 1890 } 1891 break; 1892 #endif 1893 } 1894 } 1895 1896 static void 1897 vt_mouse_paste() 1898 { 1899 term_char_t *buf; 1900 int i, len; 1901 1902 len = VD_PASTEBUFLEN(main_vd); 1903 buf = VD_PASTEBUF(main_vd); 1904 len /= sizeof(term_char_t); 1905 for (i = 0; i < len; i++) { 1906 if (buf[i] == '\0') 1907 continue; 1908 terminal_input_char(main_vd->vd_curwindow->vw_terminal, 1909 buf[i]); 1910 } 1911 } 1912 1913 void 1914 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel) 1915 { 1916 struct vt_device *vd; 1917 struct vt_window *vw; 1918 struct vt_font *vf; 1919 term_pos_t size; 1920 int len, mark; 1921 1922 vd = main_vd; 1923 vw = vd->vd_curwindow; 1924 vf = vw->vw_font; 1925 mark = 0; 1926 1927 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS)) 1928 /* 1929 * Either the mouse is disabled, or the window is in 1930 * "graphics mode". The graphics mode is usually set by 1931 * an X server, using the KDSETMODE ioctl. 1932 */ 1933 return; 1934 1935 if (vf == NULL) /* Text mode. */ 1936 return; 1937 1938 /* 1939 * TODO: add flag about pointer position changed, to not redraw chars 1940 * under mouse pointer when nothing changed. 1941 */ 1942 1943 if (vw->vw_mouse_level > 0) 1944 vt_mouse_terminput(vd, type, x, y, event, cnt); 1945 1946 switch (type) { 1947 case MOUSE_ACTION: 1948 case MOUSE_MOTION_EVENT: 1949 /* Movement */ 1950 x += vd->vd_mx; 1951 y += vd->vd_my; 1952 1953 vt_termsize(vd, vf, &size); 1954 1955 /* Apply limits. */ 1956 x = MAX(x, 0); 1957 y = MAX(y, 0); 1958 x = MIN(x, (size.tp_col * vf->vf_width) - 1); 1959 y = MIN(y, (size.tp_row * vf->vf_height) - 1); 1960 1961 vd->vd_mx = x; 1962 vd->vd_my = y; 1963 if (vd->vd_mstate & MOUSE_BUTTON1DOWN) 1964 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE, 1965 vd->vd_mx / vf->vf_width, 1966 vd->vd_my / vf->vf_height); 1967 1968 vt_resume_flush_timer(vw, 0); 1969 return; /* Done */ 1970 case MOUSE_BUTTON_EVENT: 1971 /* Buttons */ 1972 break; 1973 default: 1974 return; /* Done */ 1975 } 1976 1977 switch (event) { 1978 case MOUSE_BUTTON1DOWN: 1979 switch (cnt % 4) { 1980 case 0: /* up */ 1981 mark = VTB_MARK_END; 1982 break; 1983 case 1: /* single click: start cut operation */ 1984 mark = VTB_MARK_START; 1985 break; 1986 case 2: /* double click: cut a word */ 1987 mark = VTB_MARK_WORD; 1988 break; 1989 case 3: /* triple click: cut a line */ 1990 mark = VTB_MARK_ROW; 1991 break; 1992 } 1993 break; 1994 case VT_MOUSE_PASTEBUTTON: 1995 switch (cnt) { 1996 case 0: /* up */ 1997 break; 1998 default: 1999 vt_mouse_paste(); 2000 break; 2001 } 2002 return; /* Done */ 2003 case VT_MOUSE_EXTENDBUTTON: 2004 switch (cnt) { 2005 case 0: /* up */ 2006 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN)) 2007 mark = VTB_MARK_EXTEND; 2008 else 2009 mark = 0; 2010 break; 2011 default: 2012 mark = VTB_MARK_EXTEND; 2013 break; 2014 } 2015 break; 2016 default: 2017 return; /* Done */ 2018 } 2019 2020 /* Save buttons state. */ 2021 if (cnt > 0) 2022 vd->vd_mstate |= event; 2023 else 2024 vd->vd_mstate &= ~event; 2025 2026 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width, 2027 vd->vd_my / vf->vf_height) == 1) { 2028 /* 2029 * We have something marked to copy, so update pointer to 2030 * window with selection. 2031 */ 2032 vt_resume_flush_timer(vw, 0); 2033 2034 switch (mark) { 2035 case VTB_MARK_END: 2036 case VTB_MARK_WORD: 2037 case VTB_MARK_ROW: 2038 case VTB_MARK_EXTEND: 2039 break; 2040 default: 2041 /* Other types of mark do not require to copy data. */ 2042 return; 2043 } 2044 2045 /* Get current selection size in bytes. */ 2046 len = vtbuf_get_marked_len(&vw->vw_buf); 2047 if (len <= 0) 2048 return; 2049 2050 /* Reallocate buffer only if old one is too small. */ 2051 if (len > VD_PASTEBUFSZ(vd)) { 2052 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT, 2053 M_WAITOK | M_ZERO); 2054 /* Update buffer size. */ 2055 VD_PASTEBUFSZ(vd) = len; 2056 } 2057 /* Request copy/paste buffer data, no more than `len' */ 2058 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd), 2059 VD_PASTEBUFSZ(vd)); 2060 2061 VD_PASTEBUFLEN(vd) = len; 2062 2063 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */ 2064 } 2065 } 2066 2067 void 2068 vt_mouse_state(int show) 2069 { 2070 struct vt_device *vd; 2071 struct vt_window *vw; 2072 2073 vd = main_vd; 2074 vw = vd->vd_curwindow; 2075 2076 switch (show) { 2077 case VT_MOUSE_HIDE: 2078 vw->vw_flags |= VWF_MOUSE_HIDE; 2079 break; 2080 case VT_MOUSE_SHOW: 2081 vw->vw_flags &= ~VWF_MOUSE_HIDE; 2082 break; 2083 } 2084 2085 /* Mark mouse position as dirty. */ 2086 vt_mark_mouse_position_as_dirty(vd, false); 2087 vt_resume_flush_timer(vw, 0); 2088 } 2089 #endif 2090 2091 static int 2092 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr, 2093 int nprot, vm_memattr_t *memattr) 2094 { 2095 struct vt_window *vw = tm->tm_softc; 2096 struct vt_device *vd = vw->vw_device; 2097 2098 if (vd->vd_driver->vd_fb_mmap) 2099 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot, 2100 memattr)); 2101 2102 return (ENXIO); 2103 } 2104 2105 static int 2106 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data, 2107 struct thread *td) 2108 { 2109 struct vt_window *vw = tm->tm_softc; 2110 struct vt_device *vd = vw->vw_device; 2111 keyboard_t *kbd; 2112 int error, i, s; 2113 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 2114 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 2115 int ival; 2116 2117 switch (cmd) { 2118 case _IO('v', 4): 2119 cmd = VT_RELDISP; 2120 break; 2121 case _IO('v', 5): 2122 cmd = VT_ACTIVATE; 2123 break; 2124 case _IO('v', 6): 2125 cmd = VT_WAITACTIVE; 2126 break; 2127 case _IO('K', 20): 2128 cmd = KDSKBSTATE; 2129 break; 2130 case _IO('K', 67): 2131 cmd = KDSETRAD; 2132 break; 2133 case _IO('K', 7): 2134 cmd = KDSKBMODE; 2135 break; 2136 case _IO('K', 8): 2137 cmd = KDMKTONE; 2138 break; 2139 case _IO('K', 10): 2140 cmd = KDSETMODE; 2141 break; 2142 case _IO('K', 13): 2143 cmd = KDSBORDER; 2144 break; 2145 case _IO('K', 63): 2146 cmd = KIOCSOUND; 2147 break; 2148 case _IO('K', 66): 2149 cmd = KDSETLED; 2150 break; 2151 case _IO('c', 104): 2152 cmd = CONS_SETWINORG; 2153 break; 2154 case _IO('c', 110): 2155 cmd = CONS_SETKBD; 2156 break; 2157 default: 2158 goto skip_thunk; 2159 } 2160 ival = IOCPARM_IVAL(data); 2161 data = (caddr_t)&ival; 2162 skip_thunk: 2163 #endif 2164 2165 switch (cmd) { 2166 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 2167 if (*(int *)data & ~0x7f) 2168 return (EINVAL); 2169 /* FALLTHROUGH */ 2170 case GIO_KEYMAP: 2171 case PIO_KEYMAP: 2172 case GIO_DEADKEYMAP: 2173 case PIO_DEADKEYMAP: 2174 case GETFKEY: 2175 case SETFKEY: 2176 case KDGKBINFO: 2177 case KDGKBTYPE: 2178 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 2179 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 2180 case KBADDKBD: /* add/remove keyboard to/from mux */ 2181 case KBRELKBD: { 2182 error = 0; 2183 2184 mtx_lock(&Giant); 2185 kbd = kbd_get_keyboard(vd->vd_keyboard); 2186 if (kbd != NULL) 2187 error = kbdd_ioctl(kbd, cmd, data); 2188 mtx_unlock(&Giant); 2189 if (error == ENOIOCTL) { 2190 if (cmd == KDGKBTYPE) { 2191 /* always return something? XXX */ 2192 *(int *)data = 0; 2193 } else { 2194 return (ENODEV); 2195 } 2196 } 2197 return (error); 2198 } 2199 case KDGKBSTATE: { /* get keyboard state (locks) */ 2200 error = 0; 2201 2202 if (vw == vd->vd_curwindow) { 2203 mtx_lock(&Giant); 2204 kbd = kbd_get_keyboard(vd->vd_keyboard); 2205 if (kbd != NULL) 2206 error = vt_save_kbd_state(vw, kbd); 2207 mtx_unlock(&Giant); 2208 2209 if (error != 0) 2210 return (error); 2211 } 2212 2213 *(int *)data = vw->vw_kbdstate & LOCK_MASK; 2214 2215 return (error); 2216 } 2217 case KDSKBSTATE: { /* set keyboard state (locks) */ 2218 int state; 2219 2220 state = *(int *)data; 2221 if (state & ~LOCK_MASK) 2222 return (EINVAL); 2223 2224 vw->vw_kbdstate &= ~LOCK_MASK; 2225 vw->vw_kbdstate |= state; 2226 2227 error = 0; 2228 if (vw == vd->vd_curwindow) { 2229 mtx_lock(&Giant); 2230 kbd = kbd_get_keyboard(vd->vd_keyboard); 2231 if (kbd != NULL) 2232 error = vt_update_kbd_state(vw, kbd); 2233 mtx_unlock(&Giant); 2234 } 2235 2236 return (error); 2237 } 2238 case KDGETLED: { /* get keyboard LED status */ 2239 error = 0; 2240 2241 if (vw == vd->vd_curwindow) { 2242 mtx_lock(&Giant); 2243 kbd = kbd_get_keyboard(vd->vd_keyboard); 2244 if (kbd != NULL) 2245 error = vt_save_kbd_leds(vw, kbd); 2246 mtx_unlock(&Giant); 2247 2248 if (error != 0) 2249 return (error); 2250 } 2251 2252 *(int *)data = vw->vw_kbdstate & LED_MASK; 2253 2254 return (error); 2255 } 2256 case KDSETLED: { /* set keyboard LED status */ 2257 int leds; 2258 2259 leds = *(int *)data; 2260 if (leds & ~LED_MASK) 2261 return (EINVAL); 2262 2263 vw->vw_kbdstate &= ~LED_MASK; 2264 vw->vw_kbdstate |= leds; 2265 2266 error = 0; 2267 if (vw == vd->vd_curwindow) { 2268 mtx_lock(&Giant); 2269 kbd = kbd_get_keyboard(vd->vd_keyboard); 2270 if (kbd != NULL) 2271 error = vt_update_kbd_leds(vw, kbd); 2272 mtx_unlock(&Giant); 2273 } 2274 2275 return (error); 2276 } 2277 case KDGETMODE: 2278 *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ? 2279 KD_GRAPHICS : KD_TEXT; 2280 return (0); 2281 case KDGKBMODE: { 2282 error = 0; 2283 2284 if (vw == vd->vd_curwindow) { 2285 mtx_lock(&Giant); 2286 kbd = kbd_get_keyboard(vd->vd_keyboard); 2287 if (kbd != 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 kbd = kbd_get_keyboard(vd->vd_keyboard); 2313 if (kbd != NULL) 2314 error = vt_update_kbd_mode(vw, kbd); 2315 mtx_unlock(&Giant); 2316 } 2317 2318 return (error); 2319 default: 2320 return (EINVAL); 2321 } 2322 } 2323 case FBIOGTYPE: 2324 case FBIO_GETWINORG: /* get frame buffer window origin */ 2325 case FBIO_GETDISPSTART: /* get display start address */ 2326 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 2327 case FBIO_BLANK: /* blank display */ 2328 if (vd->vd_driver->vd_fb_ioctl) 2329 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td)); 2330 break; 2331 case CONS_BLANKTIME: 2332 /* XXX */ 2333 return (0); 2334 case CONS_HISTORY: 2335 if (*(int *)data < 0) 2336 return EINVAL; 2337 if (*(int *)data != vd->vd_curwindow->vw_buf.vb_history_size) 2338 vtbuf_sethistory_size(&vd->vd_curwindow->vw_buf, 2339 *(int *)data); 2340 return 0; 2341 case CONS_GET: 2342 /* XXX */ 2343 *(int *)data = M_CG640x480; 2344 return (0); 2345 case CONS_BELLTYPE: /* set bell type sound */ 2346 if ((*(int *)data) & CONS_QUIET_BELL) 2347 vd->vd_flags |= VDF_QUIET_BELL; 2348 else 2349 vd->vd_flags &= ~VDF_QUIET_BELL; 2350 return (0); 2351 case CONS_GETINFO: { 2352 vid_info_t *vi = (vid_info_t *)data; 2353 if (vi->size != sizeof(struct vid_info)) 2354 return (EINVAL); 2355 2356 if (vw == vd->vd_curwindow) { 2357 mtx_lock(&Giant); 2358 kbd = kbd_get_keyboard(vd->vd_keyboard); 2359 if (kbd != NULL) 2360 vt_save_kbd_state(vw, kbd); 2361 mtx_unlock(&Giant); 2362 } 2363 2364 vi->m_num = vd->vd_curwindow->vw_number + 1; 2365 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK; 2366 /* XXX: other fields! */ 2367 return (0); 2368 } 2369 case CONS_GETVERS: 2370 *(int *)data = 0x200; 2371 return (0); 2372 case CONS_MODEINFO: 2373 /* XXX */ 2374 return (0); 2375 case CONS_MOUSECTL: { 2376 mouse_info_t *mouse = (mouse_info_t*)data; 2377 2378 /* 2379 * All the commands except MOUSE_SHOW nd MOUSE_HIDE 2380 * should not be applied to individual TTYs, but only to 2381 * consolectl. 2382 */ 2383 switch (mouse->operation) { 2384 case MOUSE_HIDE: 2385 if (vd->vd_flags & VDF_MOUSECURSOR) { 2386 vd->vd_flags &= ~VDF_MOUSECURSOR; 2387 #ifndef SC_NO_CUTPASTE 2388 vt_mouse_state(VT_MOUSE_HIDE); 2389 #endif 2390 } 2391 return (0); 2392 case MOUSE_SHOW: 2393 if (!(vd->vd_flags & VDF_MOUSECURSOR)) { 2394 vd->vd_flags |= VDF_MOUSECURSOR; 2395 vd->vd_mx = vd->vd_width / 2; 2396 vd->vd_my = vd->vd_height / 2; 2397 #ifndef SC_NO_CUTPASTE 2398 vt_mouse_state(VT_MOUSE_SHOW); 2399 #endif 2400 } 2401 return (0); 2402 default: 2403 return (EINVAL); 2404 } 2405 } 2406 case PIO_VFONT: { 2407 struct vt_font *vf; 2408 2409 if (vd->vd_flags & VDF_TEXTMODE) 2410 return (ENOTSUP); 2411 2412 error = vtfont_load((void *)data, &vf); 2413 if (error != 0) 2414 return (error); 2415 2416 error = vt_change_font(vw, vf); 2417 vtfont_unref(vf); 2418 return (error); 2419 } 2420 case PIO_VFONT_DEFAULT: { 2421 /* Reset to default font. */ 2422 error = vt_change_font(vw, &vt_font_default); 2423 return (error); 2424 } 2425 case GIO_SCRNMAP: { 2426 scrmap_t *sm = (scrmap_t *)data; 2427 2428 /* We don't have screen maps, so return a handcrafted one. */ 2429 for (i = 0; i < 256; i++) 2430 sm->scrmap[i] = i; 2431 return (0); 2432 } 2433 case KDSETMODE: 2434 /* 2435 * FIXME: This implementation is incomplete compared to 2436 * syscons. 2437 */ 2438 switch (*(int *)data) { 2439 case KD_TEXT: 2440 case KD_TEXT1: 2441 case KD_PIXEL: 2442 vw->vw_flags &= ~VWF_GRAPHICS; 2443 break; 2444 case KD_GRAPHICS: 2445 vw->vw_flags |= VWF_GRAPHICS; 2446 break; 2447 } 2448 return (0); 2449 case KDENABIO: /* allow io operations */ 2450 error = priv_check(td, PRIV_IO); 2451 if (error != 0) 2452 return (error); 2453 error = securelevel_gt(td->td_ucred, 0); 2454 if (error != 0) 2455 return (error); 2456 #if defined(__i386__) 2457 td->td_frame->tf_eflags |= PSL_IOPL; 2458 #elif defined(__amd64__) 2459 td->td_frame->tf_rflags |= PSL_IOPL; 2460 #endif 2461 return (0); 2462 case KDDISABIO: /* disallow io operations (default) */ 2463 #if defined(__i386__) 2464 td->td_frame->tf_eflags &= ~PSL_IOPL; 2465 #elif defined(__amd64__) 2466 td->td_frame->tf_rflags &= ~PSL_IOPL; 2467 #endif 2468 return (0); 2469 case KDMKTONE: /* sound the bell */ 2470 vtterm_beep(tm, *(u_int *)data); 2471 return (0); 2472 case KIOCSOUND: /* make tone (*data) hz */ 2473 /* TODO */ 2474 return (0); 2475 case CONS_SETKBD: /* set the new keyboard */ 2476 mtx_lock(&Giant); 2477 error = 0; 2478 if (vd->vd_keyboard != *(int *)data) { 2479 kbd = kbd_get_keyboard(*(int *)data); 2480 if (kbd == NULL) { 2481 mtx_unlock(&Giant); 2482 return (EINVAL); 2483 } 2484 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, 2485 (void *)vd, vt_kbdevent, vd); 2486 if (i >= 0) { 2487 if (vd->vd_keyboard != -1) { 2488 kbd = kbd_get_keyboard(vd->vd_keyboard); 2489 vt_save_kbd_state(vd->vd_curwindow, kbd); 2490 kbd_release(kbd, (void *)vd); 2491 } 2492 kbd = kbd_get_keyboard(i); 2493 vd->vd_keyboard = i; 2494 2495 vt_update_kbd_mode(vd->vd_curwindow, kbd); 2496 vt_update_kbd_state(vd->vd_curwindow, kbd); 2497 } else { 2498 error = EPERM; /* XXX */ 2499 } 2500 } 2501 mtx_unlock(&Giant); 2502 return (error); 2503 case CONS_RELKBD: /* release the current keyboard */ 2504 mtx_lock(&Giant); 2505 error = 0; 2506 if (vd->vd_keyboard != -1) { 2507 kbd = kbd_get_keyboard(vd->vd_keyboard); 2508 if (kbd == NULL) { 2509 mtx_unlock(&Giant); 2510 return (EINVAL); 2511 } 2512 vt_save_kbd_state(vd->vd_curwindow, kbd); 2513 error = kbd_release(kbd, (void *)vd); 2514 if (error == 0) { 2515 vd->vd_keyboard = -1; 2516 } 2517 } 2518 mtx_unlock(&Giant); 2519 return (error); 2520 case VT_ACTIVATE: { 2521 int win; 2522 win = *(int *)data - 1; 2523 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME, 2524 VT_UNIT(vw), win); 2525 if ((win >= VT_MAXWINDOWS) || (win < 0)) 2526 return (EINVAL); 2527 return (vt_proc_window_switch(vd->vd_windows[win])); 2528 } 2529 case VT_GETACTIVE: 2530 *(int *)data = vd->vd_curwindow->vw_number + 1; 2531 return (0); 2532 case VT_GETINDEX: 2533 *(int *)data = vw->vw_number + 1; 2534 return (0); 2535 case VT_LOCKSWITCH: 2536 /* TODO: Check current state, switching can be in progress. */ 2537 if ((*(int *)data) == 0x01) 2538 vw->vw_flags |= VWF_VTYLOCK; 2539 else if ((*(int *)data) == 0x02) 2540 vw->vw_flags &= ~VWF_VTYLOCK; 2541 else 2542 return (EINVAL); 2543 return (0); 2544 case VT_OPENQRY: 2545 VT_LOCK(vd); 2546 for (i = 0; i < VT_MAXWINDOWS; i++) { 2547 vw = vd->vd_windows[i]; 2548 if (vw == NULL) 2549 continue; 2550 if (!(vw->vw_flags & VWF_OPENED)) { 2551 *(int *)data = vw->vw_number + 1; 2552 VT_UNLOCK(vd); 2553 return (0); 2554 } 2555 } 2556 VT_UNLOCK(vd); 2557 return (EINVAL); 2558 case VT_WAITACTIVE: { 2559 unsigned int idx; 2560 2561 error = 0; 2562 2563 idx = *(unsigned int *)data; 2564 if (idx > VT_MAXWINDOWS) 2565 return (EINVAL); 2566 if (idx > 0) 2567 vw = vd->vd_windows[idx - 1]; 2568 2569 VT_LOCK(vd); 2570 while (vd->vd_curwindow != vw && error == 0) 2571 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2572 VT_UNLOCK(vd); 2573 return (error); 2574 } 2575 case VT_SETMODE: { /* set screen switcher mode */ 2576 struct vt_mode *mode; 2577 struct proc *p1; 2578 2579 mode = (struct vt_mode *)data; 2580 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw)); 2581 if (vw->vw_smode.mode == VT_PROCESS) { 2582 p1 = pfind(vw->vw_pid); 2583 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) { 2584 if (p1) 2585 PROC_UNLOCK(p1); 2586 DPRINTF(5, "error EPERM\n"); 2587 return (EPERM); 2588 } 2589 if (p1) 2590 PROC_UNLOCK(p1); 2591 } 2592 if (mode->mode == VT_AUTO) { 2593 vw->vw_smode.mode = VT_AUTO; 2594 vw->vw_proc = NULL; 2595 vw->vw_pid = 0; 2596 DPRINTF(5, "VT_AUTO, "); 2597 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2598 cnavailable(vw->vw_terminal->consdev, TRUE); 2599 /* were we in the middle of the vty switching process? */ 2600 if (finish_vt_rel(vw, TRUE, &s) == 0) 2601 DPRINTF(5, "reset WAIT_REL, "); 2602 if (finish_vt_acq(vw) == 0) 2603 DPRINTF(5, "reset WAIT_ACQ, "); 2604 return (0); 2605 } else if (mode->mode == VT_PROCESS) { 2606 if (!ISSIGVALID(mode->relsig) || 2607 !ISSIGVALID(mode->acqsig) || 2608 !ISSIGVALID(mode->frsig)) { 2609 DPRINTF(5, "error EINVAL\n"); 2610 return (EINVAL); 2611 } 2612 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid); 2613 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode)); 2614 vw->vw_proc = td->td_proc; 2615 vw->vw_pid = vw->vw_proc->p_pid; 2616 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2617 cnavailable(vw->vw_terminal->consdev, FALSE); 2618 } else { 2619 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n", 2620 mode->mode); 2621 return (EINVAL); 2622 } 2623 DPRINTF(5, "\n"); 2624 return (0); 2625 } 2626 case VT_GETMODE: /* get screen switcher mode */ 2627 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode)); 2628 return (0); 2629 2630 case VT_RELDISP: /* screen switcher ioctl */ 2631 /* 2632 * This must be the current vty which is in the VT_PROCESS 2633 * switching mode... 2634 */ 2635 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode != 2636 VT_PROCESS)) { 2637 return (EINVAL); 2638 } 2639 /* ...and this process is controlling it. */ 2640 if (vw->vw_proc != td->td_proc) { 2641 return (EPERM); 2642 } 2643 error = EINVAL; 2644 switch(*(int *)data) { 2645 case VT_FALSE: /* user refuses to release screen, abort */ 2646 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0) 2647 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n", 2648 SC_DRIVER_NAME, VT_UNIT(vw)); 2649 break; 2650 case VT_TRUE: /* user has released screen, go on */ 2651 /* finish_vt_rel(..., TRUE, ...) should not be locked */ 2652 if (vw->vw_flags & VWF_SWWAIT_REL) { 2653 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0) 2654 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n", 2655 SC_DRIVER_NAME, VT_UNIT(vw)); 2656 } else { 2657 error = EINVAL; 2658 } 2659 return (error); 2660 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 2661 if ((error = finish_vt_acq(vw)) == 0) 2662 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n", 2663 SC_DRIVER_NAME, VT_UNIT(vw)); 2664 break; 2665 default: 2666 break; 2667 } 2668 return (error); 2669 } 2670 2671 return (ENOIOCTL); 2672 } 2673 2674 static struct vt_window * 2675 vt_allocate_window(struct vt_device *vd, unsigned int window) 2676 { 2677 struct vt_window *vw; 2678 struct terminal *tm; 2679 term_pos_t size; 2680 struct winsize wsz; 2681 2682 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO); 2683 vw->vw_device = vd; 2684 vw->vw_number = window; 2685 vw->vw_kbdmode = K_XLATE; 2686 2687 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 2688 vw->vw_font = vtfont_ref(&vt_font_default); 2689 vt_compute_drawable_area(vw); 2690 } 2691 2692 vt_termsize(vd, vw->vw_font, &size); 2693 vt_winsize(vd, vw->vw_font, &wsz); 2694 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw); 2695 vw->vw_buf.vb_terminal = tm; /* must be set before vtbuf_init() */ 2696 vtbuf_init(&vw->vw_buf, &size); 2697 2698 terminal_set_winsize(tm, &wsz); 2699 vd->vd_windows[window] = vw; 2700 callout_init(&vw->vw_proc_dead_timer, 0); 2701 2702 return (vw); 2703 } 2704 2705 void 2706 vt_upgrade(struct vt_device *vd) 2707 { 2708 struct vt_window *vw; 2709 unsigned int i; 2710 int register_handlers; 2711 2712 if (!vty_enabled(VTY_VT)) 2713 return; 2714 if (main_vd->vd_driver == NULL) 2715 return; 2716 2717 for (i = 0; i < VT_MAXWINDOWS; i++) { 2718 vw = vd->vd_windows[i]; 2719 if (vw == NULL) { 2720 /* New window. */ 2721 vw = vt_allocate_window(vd, i); 2722 } 2723 if (!(vw->vw_flags & VWF_READY)) { 2724 callout_init(&vw->vw_proc_dead_timer, 0); 2725 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw)); 2726 vw->vw_flags |= VWF_READY; 2727 if (vw->vw_flags & VWF_CONSOLE) { 2728 /* For existing console window. */ 2729 EVENTHANDLER_REGISTER(shutdown_pre_sync, 2730 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT); 2731 } 2732 } 2733 2734 } 2735 VT_LOCK(vd); 2736 if (vd->vd_curwindow == NULL) 2737 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW]; 2738 2739 register_handlers = 0; 2740 if (!(vd->vd_flags & VDF_ASYNC)) { 2741 /* Attach keyboard. */ 2742 vt_allocate_keyboard(vd); 2743 2744 /* Init 25 Hz timer. */ 2745 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0); 2746 2747 /* 2748 * Start timer when everything ready. 2749 * Note that the operations here are purposefully ordered. 2750 * We need to ensure vd_timer_armed is non-zero before we set 2751 * the VDF_ASYNC flag. That prevents this function from 2752 * racing with vt_resume_flush_timer() to update the 2753 * callout structure. 2754 */ 2755 atomic_add_acq_int(&vd->vd_timer_armed, 1); 2756 vd->vd_flags |= VDF_ASYNC; 2757 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd); 2758 register_handlers = 1; 2759 } 2760 2761 VT_UNLOCK(vd); 2762 2763 /* Refill settings with new sizes. */ 2764 vt_resize(vd); 2765 2766 if (register_handlers) { 2767 /* Register suspend/resume handlers. */ 2768 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler, 2769 vd, EVENTHANDLER_PRI_ANY); 2770 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd, 2771 EVENTHANDLER_PRI_ANY); 2772 } 2773 } 2774 2775 static void 2776 vt_resize(struct vt_device *vd) 2777 { 2778 struct vt_window *vw; 2779 int i; 2780 2781 for (i = 0; i < VT_MAXWINDOWS; i++) { 2782 vw = vd->vd_windows[i]; 2783 VT_LOCK(vd); 2784 /* Assign default font to window, if not textmode. */ 2785 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL) 2786 vw->vw_font = vtfont_ref(&vt_font_default); 2787 VT_UNLOCK(vd); 2788 2789 /* Resize terminal windows */ 2790 while (vt_change_font(vw, vw->vw_font) == EBUSY) { 2791 DPRINTF(100, "%s: vt_change_font() is busy, " 2792 "window %d\n", __func__, i); 2793 } 2794 } 2795 } 2796 2797 static void 2798 vt_replace_backend(const struct vt_driver *drv, void *softc) 2799 { 2800 struct vt_device *vd; 2801 2802 vd = main_vd; 2803 2804 if (vd->vd_flags & VDF_ASYNC) { 2805 /* Stop vt_flush periodic task. */ 2806 VT_LOCK(vd); 2807 vt_suspend_flush_timer(vd); 2808 VT_UNLOCK(vd); 2809 /* 2810 * Mute current terminal until we done. vt_change_font (called 2811 * from vt_resize) will unmute it. 2812 */ 2813 terminal_mute(vd->vd_curwindow->vw_terminal, 1); 2814 } 2815 2816 /* 2817 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will 2818 * set it. 2819 */ 2820 VT_LOCK(vd); 2821 vd->vd_flags &= ~VDF_TEXTMODE; 2822 2823 if (drv != NULL) { 2824 /* 2825 * We want to upgrade from the current driver to the 2826 * given driver. 2827 */ 2828 2829 vd->vd_prev_driver = vd->vd_driver; 2830 vd->vd_prev_softc = vd->vd_softc; 2831 vd->vd_driver = drv; 2832 vd->vd_softc = softc; 2833 2834 vd->vd_driver->vd_init(vd); 2835 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) { 2836 /* 2837 * No driver given: we want to downgrade to the previous 2838 * driver. 2839 */ 2840 const struct vt_driver *old_drv; 2841 void *old_softc; 2842 2843 old_drv = vd->vd_driver; 2844 old_softc = vd->vd_softc; 2845 2846 vd->vd_driver = vd->vd_prev_driver; 2847 vd->vd_softc = vd->vd_prev_softc; 2848 vd->vd_prev_driver = NULL; 2849 vd->vd_prev_softc = NULL; 2850 2851 vd->vd_flags |= VDF_DOWNGRADE; 2852 2853 vd->vd_driver->vd_init(vd); 2854 2855 if (old_drv->vd_fini) 2856 old_drv->vd_fini(vd, old_softc); 2857 2858 vd->vd_flags &= ~VDF_DOWNGRADE; 2859 } 2860 2861 VT_UNLOCK(vd); 2862 2863 /* Update windows sizes and initialize last items. */ 2864 vt_upgrade(vd); 2865 2866 #ifdef DEV_SPLASH 2867 if (vd->vd_flags & VDF_SPLASH) 2868 vtterm_splash(vd); 2869 #endif 2870 2871 if (vd->vd_flags & VDF_ASYNC) { 2872 /* Allow to put chars now. */ 2873 terminal_mute(vd->vd_curwindow->vw_terminal, 0); 2874 /* Rerun timer for screen updates. */ 2875 vt_resume_flush_timer(vd->vd_curwindow, 0); 2876 } 2877 2878 /* 2879 * Register as console. If it already registered, cnadd() will ignore 2880 * it. 2881 */ 2882 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal); 2883 } 2884 2885 static void 2886 vt_suspend_handler(void *priv) 2887 { 2888 struct vt_device *vd; 2889 2890 vd = priv; 2891 vd->vd_flags |= VDF_SUSPENDED; 2892 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL) 2893 vd->vd_driver->vd_suspend(vd); 2894 } 2895 2896 static void 2897 vt_resume_handler(void *priv) 2898 { 2899 struct vt_device *vd; 2900 2901 vd = priv; 2902 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL) 2903 vd->vd_driver->vd_resume(vd); 2904 vd->vd_flags &= ~VDF_SUSPENDED; 2905 } 2906 2907 void 2908 vt_allocate(const struct vt_driver *drv, void *softc) 2909 { 2910 2911 if (!vty_enabled(VTY_VT)) 2912 return; 2913 2914 if (main_vd->vd_driver == NULL) { 2915 main_vd->vd_driver = drv; 2916 printf("VT: initialize with new VT driver \"%s\".\n", 2917 drv->vd_name); 2918 } else { 2919 /* 2920 * Check if have rights to replace current driver. For example: 2921 * it is bad idea to replace KMS driver with generic VGA one. 2922 */ 2923 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) { 2924 printf("VT: Driver priority %d too low. Current %d\n ", 2925 drv->vd_priority, main_vd->vd_driver->vd_priority); 2926 return; 2927 } 2928 printf("VT: Replacing driver \"%s\" with new \"%s\".\n", 2929 main_vd->vd_driver->vd_name, drv->vd_name); 2930 } 2931 2932 vt_replace_backend(drv, softc); 2933 } 2934 2935 void 2936 vt_deallocate(const struct vt_driver *drv, void *softc) 2937 { 2938 2939 if (!vty_enabled(VTY_VT)) 2940 return; 2941 2942 if (main_vd->vd_prev_driver == NULL || 2943 main_vd->vd_driver != drv || 2944 main_vd->vd_softc != softc) 2945 return; 2946 2947 printf("VT: Switching back from \"%s\" to \"%s\".\n", 2948 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name); 2949 2950 vt_replace_backend(NULL, NULL); 2951 } 2952 2953 void 2954 vt_suspend(struct vt_device *vd) 2955 { 2956 int error; 2957 2958 if (vt_suspendswitch == 0) 2959 return; 2960 /* Save current window. */ 2961 vd->vd_savedwindow = vd->vd_curwindow; 2962 /* Ask holding process to free window and switch to console window */ 2963 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]); 2964 2965 /* Wait for the window switch to complete. */ 2966 error = 0; 2967 VT_LOCK(vd); 2968 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0) 2969 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2970 VT_UNLOCK(vd); 2971 } 2972 2973 void 2974 vt_resume(struct vt_device *vd) 2975 { 2976 2977 if (vt_suspendswitch == 0) 2978 return; 2979 /* Switch back to saved window, if any */ 2980 vt_proc_window_switch(vd->vd_savedwindow); 2981 vd->vd_savedwindow = NULL; 2982 } 2983