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