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 "opt_compat.h" 39 40 #include <sys/param.h> 41 #include <sys/consio.h> 42 #include <sys/eventhandler.h> 43 #include <sys/fbio.h> 44 #include <sys/kbio.h> 45 #include <sys/kdb.h> 46 #include <sys/kernel.h> 47 #include <sys/lock.h> 48 #include <sys/malloc.h> 49 #include <sys/mutex.h> 50 #include <sys/power.h> 51 #include <sys/priv.h> 52 #include <sys/proc.h> 53 #include <sys/random.h> 54 #include <sys/reboot.h> 55 #include <sys/systm.h> 56 #include <sys/terminal.h> 57 58 #include <dev/kbd/kbdreg.h> 59 #include <dev/vt/vt.h> 60 61 #if defined(__i386__) || defined(__amd64__) 62 #include <machine/psl.h> 63 #include <machine/frame.h> 64 #endif 65 66 static tc_bell_t vtterm_bell; 67 static tc_cursor_t vtterm_cursor; 68 static tc_putchar_t vtterm_putchar; 69 static tc_fill_t vtterm_fill; 70 static tc_copy_t vtterm_copy; 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_param = vtterm_param, 91 .tc_done = vtterm_done, 92 93 .tc_cnprobe = vtterm_cnprobe, 94 .tc_cngetc = vtterm_cngetc, 95 96 .tc_cngrab = vtterm_cngrab, 97 .tc_cnungrab = vtterm_cnungrab, 98 99 .tc_opened = vtterm_opened, 100 .tc_ioctl = vtterm_ioctl, 101 .tc_mmap = vtterm_mmap, 102 }; 103 104 /* 105 * Use a constant timer of 25 Hz to redraw the screen. 106 * 107 * XXX: In theory we should only fire up the timer when there is really 108 * activity. Unfortunately we cannot always start timers. We really 109 * don't want to process kernel messages synchronously, because it 110 * really slows down the system. 111 */ 112 #define VT_TIMERFREQ 25 113 114 /* Bell pitch/duration. */ 115 #define VT_BELLDURATION ((5 * hz + 99) / 100) 116 #define VT_BELLPITCH 800 117 118 #define VT_UNIT(vw) ((vw)->vw_device->vd_unit * VT_MAXWINDOWS + \ 119 (vw)->vw_number) 120 121 static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD, 0, "vt(9) parameters"); 122 static VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)"); 123 static VT_SYSCTL_INT(enable_bell, 1, "Enable bell"); 124 static VT_SYSCTL_INT(debug, 0, "vt(9) debug level"); 125 static VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode"); 126 static VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend"); 127 128 /* Allow to disable some keyboard combinations. */ 129 static VT_SYSCTL_INT(kbd_halt, 1, "Enable halt keyboard combination. " 130 "See kbdmap(5) to configure."); 131 static VT_SYSCTL_INT(kbd_poweroff, 1, "Enable Power Off keyboard combination. " 132 "See kbdmap(5) to configure."); 133 static VT_SYSCTL_INT(kbd_reboot, 1, "Enable reboot keyboard combination. " 134 "See kbdmap(5) to configure (typically Ctrl-Alt-Delete)."); 135 static VT_SYSCTL_INT(kbd_debug, 1, "Enable key combination to enter debugger. " 136 "See kbdmap(5) to configure (typically Ctrl-Alt-Esc)."); 137 static VT_SYSCTL_INT(kbd_panic, 0, "Enable request to panic. " 138 "See kbdmap(5) to configure."); 139 140 /* Used internally, not a tunable. */ 141 int vt_draw_logo_cpus; 142 VT_SYSCTL_INT(splash_cpu, 0, "Show logo CPUs during boot"); 143 VT_SYSCTL_INT(splash_ncpu, 0, "Override number of logos displayed " 144 "(0 = do not override)"); 145 VT_SYSCTL_INT(splash_cpu_style, 2, "Draw logo style " 146 "(0 = Alternate beastie, 1 = Beastie, 2 = Orb)"); 147 VT_SYSCTL_INT(splash_cpu_duration, 10, "Hide logos after (seconds)"); 148 149 static unsigned int vt_unit = 0; 150 static MALLOC_DEFINE(M_VT, "vt", "vt device"); 151 struct vt_device *main_vd = &vt_consdev; 152 153 /* Boot logo. */ 154 extern unsigned int vt_logo_width; 155 extern unsigned int vt_logo_height; 156 extern unsigned int vt_logo_depth; 157 extern unsigned char vt_logo_image[]; 158 #ifndef DEV_SPLASH 159 #define vtterm_draw_cpu_logos(...) do {} while (0) 160 const unsigned int vt_logo_sprite_height; 161 #endif 162 163 /* Font. */ 164 extern struct vt_font vt_font_default; 165 #ifndef SC_NO_CUTPASTE 166 extern struct vt_mouse_cursor vt_default_mouse_pointer; 167 #endif 168 169 static int signal_vt_rel(struct vt_window *); 170 static int signal_vt_acq(struct vt_window *); 171 static int finish_vt_rel(struct vt_window *, int, int *); 172 static int finish_vt_acq(struct vt_window *); 173 static int vt_window_switch(struct vt_window *); 174 static int vt_late_window_switch(struct vt_window *); 175 static int vt_proc_alive(struct vt_window *); 176 static void vt_resize(struct vt_device *); 177 static void vt_update_static(void *); 178 #ifndef SC_NO_CUTPASTE 179 static void vt_mouse_paste(void); 180 #endif 181 static void vt_suspend_handler(void *priv); 182 static void vt_resume_handler(void *priv); 183 184 SET_DECLARE(vt_drv_set, struct vt_driver); 185 186 #define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)) 187 #define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_MAX_WIDTH)) 188 189 struct terminal vt_consterm; 190 static struct vt_window vt_conswindow; 191 struct vt_device vt_consdev = { 192 .vd_driver = NULL, 193 .vd_softc = NULL, 194 .vd_prev_driver = NULL, 195 .vd_prev_softc = NULL, 196 .vd_flags = VDF_INVALID, 197 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, }, 198 .vd_curwindow = &vt_conswindow, 199 .vd_kbstate = 0, 200 201 #ifndef SC_NO_CUTPASTE 202 .vd_pastebuf = { 203 .vpb_buf = NULL, 204 .vpb_bufsz = 0, 205 .vpb_len = 0 206 }, 207 .vd_mcursor = &vt_default_mouse_pointer, 208 .vd_mcursor_fg = TC_WHITE, 209 .vd_mcursor_bg = TC_BLACK, 210 #endif 211 }; 212 static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)]; 213 static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE]; 214 static struct vt_window vt_conswindow = { 215 .vw_number = VT_CONSWINDOW, 216 .vw_flags = VWF_CONSOLE, 217 .vw_buf = { 218 .vb_buffer = &vt_constextbuf[0], 219 .vb_rows = &vt_constextbufrows[0], 220 .vb_history_size = VBF_DEFAULT_HISTORY_SIZE, 221 .vb_curroffset = 0, 222 .vb_roffset = 0, 223 .vb_flags = VBF_STATIC, 224 .vb_mark_start = {.tp_row = 0, .tp_col = 0,}, 225 .vb_mark_end = {.tp_row = 0, .tp_col = 0,}, 226 .vb_scr_size = { 227 .tp_row = _VTDEFH, 228 .tp_col = _VTDEFW, 229 }, 230 }, 231 .vw_device = &vt_consdev, 232 .vw_terminal = &vt_consterm, 233 .vw_kbdmode = K_XLATE, 234 .vw_grabbed = 0, 235 }; 236 struct terminal vt_consterm = { 237 .tm_class = &vt_termclass, 238 .tm_softc = &vt_conswindow, 239 .tm_flags = TF_CONS, 240 }; 241 static struct consdev vt_consterm_consdev = { 242 .cn_ops = &termcn_cnops, 243 .cn_arg = &vt_consterm, 244 .cn_name = "ttyv0", 245 }; 246 247 /* Add to set of consoles. */ 248 DATA_SET(cons_set, vt_consterm_consdev); 249 250 /* 251 * Right after kmem is done to allow early drivers to use locking and allocate 252 * memory. 253 */ 254 SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static, 255 &vt_consdev); 256 /* Delay until all devices attached, to not waste time. */ 257 SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade, 258 &vt_consdev); 259 260 /* Initialize locks/mem depended members. */ 261 static void 262 vt_update_static(void *dummy) 263 { 264 265 if (!vty_enabled(VTY_VT)) 266 return; 267 if (main_vd->vd_driver != NULL) 268 printf("VT(%s): %s %ux%u\n", main_vd->vd_driver->vd_name, 269 (main_vd->vd_flags & VDF_TEXTMODE) ? "text" : "resolution", 270 main_vd->vd_width, main_vd->vd_height); 271 else 272 printf("VT: init without driver.\n"); 273 274 mtx_init(&main_vd->vd_lock, "vtdev", NULL, MTX_DEF); 275 cv_init(&main_vd->vd_winswitch, "vtwswt"); 276 } 277 278 static void 279 vt_schedule_flush(struct vt_device *vd, int ms) 280 { 281 282 if (ms <= 0) 283 /* Default to initial value. */ 284 ms = 1000 / VT_TIMERFREQ; 285 286 callout_schedule(&vd->vd_timer, hz / (1000 / ms)); 287 } 288 289 void 290 vt_resume_flush_timer(struct vt_device *vd, int ms) 291 { 292 293 if (!(vd->vd_flags & VDF_ASYNC) || 294 !atomic_cmpset_int(&vd->vd_timer_armed, 0, 1)) 295 return; 296 297 vt_schedule_flush(vd, ms); 298 } 299 300 static void 301 vt_suspend_flush_timer(struct vt_device *vd) 302 { 303 /* 304 * As long as this function is called locked, callout_stop() 305 * has the same effect like callout_drain() with regard to 306 * preventing the callback function from executing. 307 */ 308 VT_LOCK_ASSERT(vd, MA_OWNED); 309 310 if (!(vd->vd_flags & VDF_ASYNC) || 311 !atomic_cmpset_int(&vd->vd_timer_armed, 1, 0)) 312 return; 313 314 callout_stop(&vd->vd_timer); 315 } 316 317 static void 318 vt_switch_timer(void *arg) 319 { 320 321 vt_late_window_switch((struct vt_window *)arg); 322 } 323 324 static int 325 vt_save_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 326 { 327 int mode, ret; 328 329 mode = 0; 330 ret = kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode); 331 if (ret == ENOIOCTL) 332 ret = ENODEV; 333 if (ret != 0) 334 return (ret); 335 336 vw->vw_kbdmode = mode; 337 338 return (0); 339 } 340 341 static int 342 vt_update_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 343 { 344 int ret; 345 346 ret = kbdd_ioctl(kbd, KDSKBMODE, (caddr_t)&vw->vw_kbdmode); 347 if (ret == ENOIOCTL) 348 ret = ENODEV; 349 350 return (ret); 351 } 352 353 static int 354 vt_save_kbd_state(struct vt_window *vw, keyboard_t *kbd) 355 { 356 int state, ret; 357 358 state = 0; 359 ret = kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state); 360 if (ret == ENOIOCTL) 361 ret = ENODEV; 362 if (ret != 0) 363 return (ret); 364 365 vw->vw_kbdstate &= ~LOCK_MASK; 366 vw->vw_kbdstate |= state & LOCK_MASK; 367 368 return (0); 369 } 370 371 static int 372 vt_update_kbd_state(struct vt_window *vw, keyboard_t *kbd) 373 { 374 int state, ret; 375 376 state = vw->vw_kbdstate & LOCK_MASK; 377 ret = kbdd_ioctl(kbd, KDSKBSTATE, (caddr_t)&state); 378 if (ret == ENOIOCTL) 379 ret = ENODEV; 380 381 return (ret); 382 } 383 384 static int 385 vt_save_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 386 { 387 int leds, ret; 388 389 leds = 0; 390 ret = kbdd_ioctl(kbd, KDGETLED, (caddr_t)&leds); 391 if (ret == ENOIOCTL) 392 ret = ENODEV; 393 if (ret != 0) 394 return (ret); 395 396 vw->vw_kbdstate &= ~LED_MASK; 397 vw->vw_kbdstate |= leds & LED_MASK; 398 399 return (0); 400 } 401 402 static int 403 vt_update_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 404 { 405 int leds, ret; 406 407 leds = vw->vw_kbdstate & LED_MASK; 408 ret = kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 409 if (ret == ENOIOCTL) 410 ret = ENODEV; 411 412 return (ret); 413 } 414 415 static int 416 vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw) 417 { 418 419 DPRINTF(40, "%s\n", __func__); 420 curvw->vw_switch_to = vw; 421 /* Set timer to allow switch in case when process hang. */ 422 callout_reset(&vw->vw_proc_dead_timer, hz * vt_deadtimer, 423 vt_switch_timer, (void *)vw); 424 /* Notify process about vt switch attempt. */ 425 DPRINTF(30, "%s: Notify process.\n", __func__); 426 signal_vt_rel(curvw); 427 428 return (0); 429 } 430 431 static int 432 vt_window_postswitch(struct vt_window *vw) 433 { 434 435 signal_vt_acq(vw); 436 return (0); 437 } 438 439 /* vt_late_window_switch will done VT switching for regular case. */ 440 static int 441 vt_late_window_switch(struct vt_window *vw) 442 { 443 int ret; 444 445 callout_stop(&vw->vw_proc_dead_timer); 446 447 ret = vt_window_switch(vw); 448 if (ret) 449 return (ret); 450 451 /* Notify owner process about terminal availability. */ 452 if (vw->vw_smode.mode == VT_PROCESS) { 453 ret = vt_window_postswitch(vw); 454 } 455 return (ret); 456 } 457 458 /* Switch window. */ 459 static int 460 vt_proc_window_switch(struct vt_window *vw) 461 { 462 struct vt_window *curvw; 463 struct vt_device *vd; 464 int ret; 465 466 /* Prevent switching to NULL */ 467 if (vw == NULL) { 468 DPRINTF(30, "%s: Cannot switch: vw is NULL.", __func__); 469 return (EINVAL); 470 } 471 vd = vw->vw_device; 472 curvw = vd->vd_curwindow; 473 474 /* Check if virtual terminal is locked */ 475 if (curvw->vw_flags & VWF_VTYLOCK) 476 return (EBUSY); 477 478 /* Check if switch already in progress */ 479 if (curvw->vw_flags & VWF_SWWAIT_REL) { 480 /* Check if switching to same window */ 481 if (curvw->vw_switch_to == vw) { 482 DPRINTF(30, "%s: Switch in progress to same vw.", __func__); 483 return (0); /* success */ 484 } 485 DPRINTF(30, "%s: Switch in progress to different vw.", __func__); 486 return (EBUSY); 487 } 488 489 /* Avoid switching to already selected window */ 490 if (vw == curvw) { 491 DPRINTF(30, "%s: Cannot switch: vw == curvw.", __func__); 492 return (0); /* success */ 493 } 494 495 /* Ask current process permission to switch away. */ 496 if (curvw->vw_smode.mode == VT_PROCESS) { 497 DPRINTF(30, "%s: VT_PROCESS ", __func__); 498 if (vt_proc_alive(curvw) == FALSE) { 499 DPRINTF(30, "Dead. Cleaning."); 500 /* Dead */ 501 } else { 502 DPRINTF(30, "%s: Signaling process.\n", __func__); 503 /* Alive, try to ask him. */ 504 ret = vt_window_preswitch(vw, curvw); 505 /* Wait for process answer or timeout. */ 506 return (ret); 507 } 508 DPRINTF(30, "\n"); 509 } 510 511 ret = vt_late_window_switch(vw); 512 return (ret); 513 } 514 515 /* Switch window ignoring process locking. */ 516 static int 517 vt_window_switch(struct vt_window *vw) 518 { 519 struct vt_device *vd = vw->vw_device; 520 struct vt_window *curvw = vd->vd_curwindow; 521 keyboard_t *kbd; 522 523 VT_LOCK(vd); 524 if (curvw == vw) { 525 /* Nothing to do. */ 526 VT_UNLOCK(vd); 527 return (0); 528 } 529 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) { 530 VT_UNLOCK(vd); 531 return (EINVAL); 532 } 533 534 vt_suspend_flush_timer(vd); 535 536 vd->vd_curwindow = vw; 537 vd->vd_flags |= VDF_INVALID; 538 cv_broadcast(&vd->vd_winswitch); 539 VT_UNLOCK(vd); 540 541 if (vd->vd_driver->vd_postswitch) 542 vd->vd_driver->vd_postswitch(vd); 543 544 vt_resume_flush_timer(vd, 0); 545 546 /* Restore per-window keyboard mode. */ 547 mtx_lock(&Giant); 548 kbd = kbd_get_keyboard(vd->vd_keyboard); 549 if (kbd != NULL) { 550 if (curvw->vw_kbdmode == K_XLATE) 551 vt_save_kbd_state(curvw, kbd); 552 553 vt_update_kbd_mode(vw, kbd); 554 vt_update_kbd_state(vw, kbd); 555 } 556 mtx_unlock(&Giant); 557 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number); 558 559 return (0); 560 } 561 562 void 563 vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size) 564 { 565 566 size->tp_row = vd->vd_height; 567 if (vt_draw_logo_cpus) 568 size->tp_row -= vt_logo_sprite_height; 569 size->tp_col = vd->vd_width; 570 if (vf != NULL) { 571 size->tp_row /= vf->vf_height; 572 size->tp_col /= vf->vf_width; 573 } 574 } 575 576 static inline void 577 vt_termrect(struct vt_device *vd, struct vt_font *vf, term_rect_t *rect) 578 { 579 580 rect->tr_begin.tp_row = rect->tr_begin.tp_col = 0; 581 if (vt_draw_logo_cpus) 582 rect->tr_begin.tp_row = vt_logo_sprite_height; 583 584 rect->tr_end.tp_row = vd->vd_height; 585 rect->tr_end.tp_col = vd->vd_width; 586 587 if (vf != NULL) { 588 rect->tr_begin.tp_row = 589 howmany(rect->tr_begin.tp_row, vf->vf_height); 590 591 rect->tr_end.tp_row /= vf->vf_height; 592 rect->tr_end.tp_col /= vf->vf_width; 593 } 594 } 595 596 void 597 vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size) 598 { 599 600 size->ws_ypixel = vd->vd_height; 601 if (vt_draw_logo_cpus) 602 size->ws_ypixel -= vt_logo_sprite_height; 603 size->ws_row = size->ws_ypixel; 604 size->ws_col = size->ws_xpixel = vd->vd_width; 605 if (vf != NULL) { 606 size->ws_row /= vf->vf_height; 607 size->ws_col /= vf->vf_width; 608 } 609 } 610 611 void 612 vt_compute_drawable_area(struct vt_window *vw) 613 { 614 struct vt_device *vd; 615 struct vt_font *vf; 616 vt_axis_t height; 617 618 vd = vw->vw_device; 619 620 if (vw->vw_font == NULL) { 621 vw->vw_draw_area.tr_begin.tp_col = 0; 622 vw->vw_draw_area.tr_begin.tp_row = 0; 623 if (vt_draw_logo_cpus) 624 vw->vw_draw_area.tr_begin.tp_row = vt_logo_sprite_height; 625 vw->vw_draw_area.tr_end.tp_col = vd->vd_width; 626 vw->vw_draw_area.tr_end.tp_row = vd->vd_height; 627 return; 628 } 629 630 vf = vw->vw_font; 631 632 /* 633 * Compute the drawable area, so that the text is centered on 634 * the screen. 635 */ 636 637 height = vd->vd_height; 638 if (vt_draw_logo_cpus) 639 height -= vt_logo_sprite_height; 640 vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2; 641 vw->vw_draw_area.tr_begin.tp_row = (height % vf->vf_height) / 2; 642 if (vt_draw_logo_cpus) 643 vw->vw_draw_area.tr_begin.tp_row += vt_logo_sprite_height; 644 vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col + 645 rounddown(vd->vd_width, vf->vf_width); 646 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row + 647 rounddown(height, vf->vf_height); 648 } 649 650 static void 651 vt_scroll(struct vt_window *vw, int offset, int whence) 652 { 653 int diff; 654 term_pos_t size; 655 656 if ((vw->vw_flags & VWF_SCROLL) == 0) 657 return; 658 659 vt_termsize(vw->vw_device, vw->vw_font, &size); 660 661 diff = vthistory_seek(&vw->vw_buf, offset, whence); 662 if (diff) 663 vw->vw_device->vd_flags |= VDF_INVALID; 664 vt_resume_flush_timer(vw->vw_device, 0); 665 } 666 667 static int 668 vt_machine_kbdevent(int c) 669 { 670 671 switch (c) { 672 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */ 673 if (vt_kbd_debug) 674 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger"); 675 return (1); 676 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */ 677 if (vt_kbd_halt) 678 shutdown_nice(RB_HALT); 679 return (1); 680 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */ 681 #ifndef SC_NO_CUTPASTE 682 /* Insert text from cut-paste buffer. */ 683 vt_mouse_paste(); 684 #endif 685 break; 686 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */ 687 if (vt_kbd_poweroff) 688 shutdown_nice(RB_HALT|RB_POWEROFF); 689 return (1); 690 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */ 691 /* 692 * Request to immediate panic if sysctl 693 * kern.vt.enable_panic_key allow it. 694 */ 695 if (vt_kbd_panic) 696 panic("Forced by the panic key"); 697 return (1); 698 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */ 699 if (vt_kbd_reboot) 700 shutdown_nice(RB_AUTOBOOT); 701 return (1); 702 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */ 703 /* Force activatation/deactivation of the screen saver. */ 704 /* TODO */ 705 return (1); 706 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */ 707 /* Put machine into Stand-By mode. */ 708 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 709 return (1); 710 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */ 711 /* Suspend machine. */ 712 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 713 return (1); 714 } 715 716 return (0); 717 } 718 719 static void 720 vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console) 721 { 722 struct vt_device *vd; 723 term_pos_t size; 724 725 vd = vw->vw_device; 726 /* Only special keys handled in ScrollLock mode */ 727 if ((c & SPCLKEY) == 0) 728 return; 729 730 c &= ~SPCLKEY; 731 732 if (console == 0) { 733 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 734 vw = vd->vd_windows[c - F_SCR]; 735 vt_proc_window_switch(vw); 736 return; 737 } 738 VT_LOCK(vd); 739 } 740 741 switch (c) { 742 case SLK: { 743 /* Turn scrolling off. */ 744 vt_scroll(vw, 0, VHS_END); 745 VTBUF_SLCK_DISABLE(&vw->vw_buf); 746 vw->vw_flags &= ~VWF_SCROLL; 747 break; 748 } 749 case FKEY | F(49): /* Home key. */ 750 vt_scroll(vw, 0, VHS_SET); 751 break; 752 case FKEY | F(50): /* Arrow up. */ 753 vt_scroll(vw, -1, VHS_CUR); 754 break; 755 case FKEY | F(51): /* Page up. */ 756 vt_termsize(vd, vw->vw_font, &size); 757 vt_scroll(vw, -size.tp_row, VHS_CUR); 758 break; 759 case FKEY | F(57): /* End key. */ 760 vt_scroll(vw, 0, VHS_END); 761 break; 762 case FKEY | F(58): /* Arrow down. */ 763 vt_scroll(vw, 1, VHS_CUR); 764 break; 765 case FKEY | F(59): /* Page down. */ 766 vt_termsize(vd, vw->vw_font, &size); 767 vt_scroll(vw, size.tp_row, VHS_CUR); 768 break; 769 } 770 771 if (console == 0) 772 VT_UNLOCK(vd); 773 } 774 775 static int 776 vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c) 777 { 778 struct vt_window *vw = vd->vd_curwindow; 779 780 random_harvest_queue(&c, sizeof(c), 1, RANDOM_KEYBOARD); 781 #if VT_ALT_TO_ESC_HACK 782 if (c & RELKEY) { 783 switch (c & ~RELKEY) { 784 case (SPCLKEY | RALT): 785 if (vt_enable_altgr != 0) 786 break; 787 case (SPCLKEY | LALT): 788 vd->vd_kbstate &= ~ALKED; 789 } 790 /* Other keys ignored for RELKEY event. */ 791 return (0); 792 } else { 793 switch (c & ~RELKEY) { 794 case (SPCLKEY | RALT): 795 if (vt_enable_altgr != 0) 796 break; 797 case (SPCLKEY | LALT): 798 vd->vd_kbstate |= ALKED; 799 } 800 } 801 #else 802 if (c & RELKEY) 803 /* Other keys ignored for RELKEY event. */ 804 return (0); 805 #endif 806 807 if (vt_machine_kbdevent(c)) 808 return (0); 809 810 if (vw->vw_flags & VWF_SCROLL) { 811 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */); 812 /* Scroll mode keys handled, nothing to do more. */ 813 return (0); 814 } 815 816 if (c & SPCLKEY) { 817 c &= ~SPCLKEY; 818 819 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 820 vw = vd->vd_windows[c - F_SCR]; 821 vt_proc_window_switch(vw); 822 return (0); 823 } 824 825 switch (c) { 826 case NEXT: 827 /* Switch to next VT. */ 828 c = (vw->vw_number + 1) % VT_MAXWINDOWS; 829 vw = vd->vd_windows[c]; 830 vt_proc_window_switch(vw); 831 return (0); 832 case PREV: 833 /* Switch to previous VT. */ 834 c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS; 835 vw = vd->vd_windows[c]; 836 vt_proc_window_switch(vw); 837 return (0); 838 case SLK: { 839 vt_save_kbd_state(vw, kbd); 840 VT_LOCK(vd); 841 if (vw->vw_kbdstate & SLKED) { 842 /* Turn scrolling on. */ 843 vw->vw_flags |= VWF_SCROLL; 844 VTBUF_SLCK_ENABLE(&vw->vw_buf); 845 } else { 846 /* Turn scrolling off. */ 847 vw->vw_flags &= ~VWF_SCROLL; 848 VTBUF_SLCK_DISABLE(&vw->vw_buf); 849 vt_scroll(vw, 0, VHS_END); 850 } 851 VT_UNLOCK(vd); 852 break; 853 } 854 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3): 855 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6): 856 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9): 857 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12): 858 /* F1 through F12 keys. */ 859 terminal_input_special(vw->vw_terminal, 860 TKEY_F1 + c - (FKEY | F(1))); 861 break; 862 case FKEY | F(49): /* Home key. */ 863 terminal_input_special(vw->vw_terminal, TKEY_HOME); 864 break; 865 case FKEY | F(50): /* Arrow up. */ 866 terminal_input_special(vw->vw_terminal, TKEY_UP); 867 break; 868 case FKEY | F(51): /* Page up. */ 869 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP); 870 break; 871 case FKEY | F(53): /* Arrow left. */ 872 terminal_input_special(vw->vw_terminal, TKEY_LEFT); 873 break; 874 case FKEY | F(55): /* Arrow right. */ 875 terminal_input_special(vw->vw_terminal, TKEY_RIGHT); 876 break; 877 case FKEY | F(57): /* End key. */ 878 terminal_input_special(vw->vw_terminal, TKEY_END); 879 break; 880 case FKEY | F(58): /* Arrow down. */ 881 terminal_input_special(vw->vw_terminal, TKEY_DOWN); 882 break; 883 case FKEY | F(59): /* Page down. */ 884 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN); 885 break; 886 case FKEY | F(60): /* Insert key. */ 887 terminal_input_special(vw->vw_terminal, TKEY_INSERT); 888 break; 889 case FKEY | F(61): /* Delete key. */ 890 terminal_input_special(vw->vw_terminal, TKEY_DELETE); 891 break; 892 } 893 } else if (KEYFLAGS(c) == 0) { 894 /* Don't do UTF-8 conversion when doing raw mode. */ 895 if (vw->vw_kbdmode == K_XLATE) { 896 #if VT_ALT_TO_ESC_HACK 897 if (vd->vd_kbstate & ALKED) { 898 /* 899 * Prepend ESC sequence if one of ALT keys down. 900 */ 901 terminal_input_char(vw->vw_terminal, 0x1b); 902 } 903 #endif 904 #if defined(KDB) 905 kdb_alt_break(c, &vd->vd_altbrk); 906 #endif 907 terminal_input_char(vw->vw_terminal, KEYCHAR(c)); 908 } else 909 terminal_input_raw(vw->vw_terminal, c); 910 } 911 return (0); 912 } 913 914 static int 915 vt_kbdevent(keyboard_t *kbd, int event, void *arg) 916 { 917 struct vt_device *vd = arg; 918 int c; 919 920 switch (event) { 921 case KBDIO_KEYINPUT: 922 break; 923 case KBDIO_UNLOADING: 924 mtx_lock(&Giant); 925 vd->vd_keyboard = -1; 926 kbd_release(kbd, (void *)vd); 927 mtx_unlock(&Giant); 928 return (0); 929 default: 930 return (EINVAL); 931 } 932 933 while ((c = kbdd_read_char(kbd, 0)) != NOKEY) 934 vt_processkey(kbd, vd, c); 935 936 return (0); 937 } 938 939 static int 940 vt_allocate_keyboard(struct vt_device *vd) 941 { 942 int idx0, idx; 943 keyboard_t *k0, *k; 944 keyboard_info_t ki; 945 946 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd); 947 if (idx0 >= 0) { 948 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0); 949 k0 = kbd_get_keyboard(idx0); 950 951 for (idx = kbd_find_keyboard2("*", -1, 0); 952 idx != -1; 953 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 954 k = kbd_get_keyboard(idx); 955 956 if (idx == idx0 || KBD_IS_BUSY(k)) 957 continue; 958 959 bzero(&ki, sizeof(ki)); 960 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name)); 961 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0'; 962 ki.kb_unit = k->kb_unit; 963 964 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 965 } 966 } else { 967 DPRINTF(20, "%s: no kbdmux allocated\n", __func__); 968 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd); 969 if (idx0 < 0) { 970 DPRINTF(10, "%s: No keyboard found.\n", __func__); 971 return (-1); 972 } 973 } 974 vd->vd_keyboard = idx0; 975 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard); 976 977 return (idx0); 978 } 979 980 static void 981 vtterm_bell(struct terminal *tm) 982 { 983 struct vt_window *vw = tm->tm_softc; 984 struct vt_device *vd = vw->vw_device; 985 986 if (!vt_enable_bell) 987 return; 988 989 if (vd->vd_flags & VDF_QUIET_BELL) 990 return; 991 992 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION); 993 } 994 995 static void 996 vtterm_beep(struct terminal *tm, u_int param) 997 { 998 u_int freq, period; 999 1000 if (!vt_enable_bell) 1001 return; 1002 1003 if ((param == 0) || ((param & 0xffff) == 0)) { 1004 vtterm_bell(tm); 1005 return; 1006 } 1007 1008 period = ((param >> 16) & 0xffff) * hz / 1000; 1009 freq = 1193182 / (param & 0xffff); 1010 1011 sysbeep(freq, period); 1012 } 1013 1014 static void 1015 vtterm_cursor(struct terminal *tm, const term_pos_t *p) 1016 { 1017 struct vt_window *vw = tm->tm_softc; 1018 1019 vtbuf_cursor_position(&vw->vw_buf, p); 1020 vt_resume_flush_timer(vw->vw_device, 0); 1021 } 1022 1023 static void 1024 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c) 1025 { 1026 struct vt_window *vw = tm->tm_softc; 1027 1028 vtbuf_putchar(&vw->vw_buf, p, c); 1029 vt_resume_flush_timer(vw->vw_device, 0); 1030 } 1031 1032 static void 1033 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c) 1034 { 1035 struct vt_window *vw = tm->tm_softc; 1036 1037 vtbuf_fill_locked(&vw->vw_buf, r, c); 1038 vt_resume_flush_timer(vw->vw_device, 0); 1039 } 1040 1041 static void 1042 vtterm_copy(struct terminal *tm, const term_rect_t *r, 1043 const term_pos_t *p) 1044 { 1045 struct vt_window *vw = tm->tm_softc; 1046 1047 vtbuf_copy(&vw->vw_buf, r, p); 1048 vt_resume_flush_timer(vw->vw_device, 0); 1049 } 1050 1051 static void 1052 vtterm_param(struct terminal *tm, int cmd, unsigned int arg) 1053 { 1054 struct vt_window *vw = tm->tm_softc; 1055 1056 switch (cmd) { 1057 case TP_SETLOCALCURSOR: 1058 /* 1059 * 0 means normal (usually block), 1 means hidden, and 1060 * 2 means blinking (always block) for compatibility with 1061 * syscons. We don't support any changes except hiding, 1062 * so must map 2 to 0. 1063 */ 1064 arg = (arg == 1) ? 0 : 1; 1065 /* FALLTHROUGH */ 1066 case TP_SHOWCURSOR: 1067 vtbuf_cursor_visibility(&vw->vw_buf, arg); 1068 vt_resume_flush_timer(vw->vw_device, 0); 1069 break; 1070 case TP_MOUSE: 1071 vw->vw_mouse_level = arg; 1072 break; 1073 } 1074 } 1075 1076 void 1077 vt_determine_colors(term_char_t c, int cursor, 1078 term_color_t *fg, term_color_t *bg) 1079 { 1080 term_color_t tmp; 1081 int invert; 1082 1083 invert = 0; 1084 1085 *fg = TCHAR_FGCOLOR(c); 1086 if (TCHAR_FORMAT(c) & TF_BOLD) 1087 *fg = TCOLOR_LIGHT(*fg); 1088 *bg = TCHAR_BGCOLOR(c); 1089 if (TCHAR_FORMAT(c) & TF_BLINK) 1090 *bg = TCOLOR_LIGHT(*bg); 1091 1092 if (TCHAR_FORMAT(c) & TF_REVERSE) 1093 invert ^= 1; 1094 if (cursor) 1095 invert ^= 1; 1096 1097 if (invert) { 1098 tmp = *fg; 1099 *fg = *bg; 1100 *bg = tmp; 1101 } 1102 } 1103 1104 #ifndef SC_NO_CUTPASTE 1105 int 1106 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area) 1107 { 1108 unsigned int mx, my; 1109 1110 /* 1111 * We use the cursor position saved during the current refresh, 1112 * in case the cursor moved since. 1113 */ 1114 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col; 1115 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row; 1116 1117 if (mx >= area->tr_end.tp_col || 1118 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col || 1119 my >= area->tr_end.tp_row || 1120 my + vd->vd_mcursor->height <= area->tr_begin.tp_row) 1121 return (0); 1122 return (1); 1123 } 1124 1125 static void 1126 vt_mark_mouse_position_as_dirty(struct vt_device *vd) 1127 { 1128 term_rect_t area; 1129 struct vt_window *vw; 1130 struct vt_font *vf; 1131 int x, y; 1132 1133 vw = vd->vd_curwindow; 1134 vf = vw->vw_font; 1135 1136 x = vd->vd_mx_drawn; 1137 y = vd->vd_my_drawn; 1138 1139 if (vf != NULL) { 1140 area.tr_begin.tp_col = x / vf->vf_width; 1141 area.tr_begin.tp_row = y / vf->vf_height; 1142 area.tr_end.tp_col = 1143 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1; 1144 area.tr_end.tp_row = 1145 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1; 1146 } else { 1147 /* 1148 * No font loaded (ie. vt_vga operating in textmode). 1149 * 1150 * FIXME: This fake area needs to be revisited once the 1151 * mouse cursor is supported in vt_vga's textmode. 1152 */ 1153 area.tr_begin.tp_col = x; 1154 area.tr_begin.tp_row = y; 1155 area.tr_end.tp_col = x + 2; 1156 area.tr_end.tp_row = y + 2; 1157 } 1158 1159 vtbuf_dirty(&vw->vw_buf, &area); 1160 } 1161 #endif 1162 1163 static void 1164 vt_set_border(struct vt_device *vd, const term_rect_t *area, 1165 const term_color_t c) 1166 { 1167 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect; 1168 1169 if (drawrect == NULL) 1170 return; 1171 1172 /* Top bar */ 1173 if (area->tr_begin.tp_row > 0) 1174 drawrect(vd, 0, 0, vd->vd_width - 1, 1175 area->tr_begin.tp_row - 1, 1, c); 1176 1177 /* Left bar */ 1178 if (area->tr_begin.tp_col > 0) 1179 drawrect(vd, 0, area->tr_begin.tp_row, 1180 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c); 1181 1182 /* Right bar */ 1183 if (area->tr_end.tp_col < vd->vd_width) 1184 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row, 1185 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c); 1186 1187 /* Bottom bar */ 1188 if (area->tr_end.tp_row < vd->vd_height) 1189 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1, 1190 vd->vd_height - 1, 1, c); 1191 } 1192 1193 static int 1194 vt_flush(struct vt_device *vd) 1195 { 1196 struct vt_window *vw; 1197 struct vt_font *vf; 1198 term_rect_t tarea; 1199 #ifndef SC_NO_CUTPASTE 1200 int cursor_was_shown, cursor_moved; 1201 #endif 1202 1203 vw = vd->vd_curwindow; 1204 if (vw == NULL) 1205 return (0); 1206 1207 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY) 1208 return (0); 1209 1210 vf = vw->vw_font; 1211 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL)) 1212 return (0); 1213 1214 #ifndef SC_NO_CUTPASTE 1215 cursor_was_shown = vd->vd_mshown; 1216 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn || 1217 vd->vd_my != vd->vd_my_drawn); 1218 1219 /* Check if the cursor should be displayed or not. */ 1220 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */ 1221 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */ 1222 !kdb_active && panicstr == NULL) { /* DDB inactive. */ 1223 vd->vd_mshown = 1; 1224 } else { 1225 vd->vd_mshown = 0; 1226 } 1227 1228 /* 1229 * If the cursor changed display state or moved, we must mark 1230 * the old position as dirty, so that it's erased. 1231 */ 1232 if (cursor_was_shown != vd->vd_mshown || 1233 (vd->vd_mshown && cursor_moved)) 1234 vt_mark_mouse_position_as_dirty(vd); 1235 1236 /* 1237 * Save position of the mouse cursor. It's used by backends to 1238 * know where to draw the cursor and during the next refresh to 1239 * erase the previous position. 1240 */ 1241 vd->vd_mx_drawn = vd->vd_mx; 1242 vd->vd_my_drawn = vd->vd_my; 1243 1244 /* 1245 * If the cursor is displayed and has moved since last refresh, 1246 * mark the new position as dirty. 1247 */ 1248 if (vd->vd_mshown && cursor_moved) 1249 vt_mark_mouse_position_as_dirty(vd); 1250 #endif 1251 1252 vtbuf_undirty(&vw->vw_buf, &tarea); 1253 1254 /* Force a full redraw when the screen contents are invalid. */ 1255 if (vd->vd_flags & VDF_INVALID) { 1256 vd->vd_flags &= ~VDF_INVALID; 1257 1258 vt_set_border(vd, &vw->vw_draw_area, TC_BLACK); 1259 vt_termrect(vd, vf, &tarea); 1260 if (vt_draw_logo_cpus) 1261 vtterm_draw_cpu_logos(vd); 1262 } 1263 1264 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) { 1265 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea); 1266 return (1); 1267 } 1268 1269 return (0); 1270 } 1271 1272 static void 1273 vt_timer(void *arg) 1274 { 1275 struct vt_device *vd; 1276 int changed; 1277 1278 vd = arg; 1279 /* Update screen if required. */ 1280 changed = vt_flush(vd); 1281 1282 /* Schedule for next update. */ 1283 if (changed) 1284 vt_schedule_flush(vd, 0); 1285 else 1286 vd->vd_timer_armed = 0; 1287 } 1288 1289 static void 1290 vtterm_done(struct terminal *tm) 1291 { 1292 struct vt_window *vw = tm->tm_softc; 1293 struct vt_device *vd = vw->vw_device; 1294 1295 if (kdb_active || panicstr != NULL) { 1296 /* Switch to the debugger. */ 1297 if (vd->vd_curwindow != vw) { 1298 vd->vd_curwindow = vw; 1299 vd->vd_flags |= VDF_INVALID; 1300 if (vd->vd_driver->vd_postswitch) 1301 vd->vd_driver->vd_postswitch(vd); 1302 } 1303 vd->vd_flags &= ~VDF_SPLASH; 1304 vt_flush(vd); 1305 } else if (!(vd->vd_flags & VDF_ASYNC)) { 1306 vt_flush(vd); 1307 } 1308 } 1309 1310 #ifdef DEV_SPLASH 1311 static void 1312 vtterm_splash(struct vt_device *vd) 1313 { 1314 vt_axis_t top, left; 1315 1316 /* Display a nice boot splash. */ 1317 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) { 1318 1319 top = (vd->vd_height - vt_logo_height) / 2; 1320 left = (vd->vd_width - vt_logo_width) / 2; 1321 switch (vt_logo_depth) { 1322 case 1: 1323 /* XXX: Unhardcode colors! */ 1324 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow, 1325 vt_logo_image, NULL, vt_logo_width, vt_logo_height, 1326 left, top, TC_WHITE, TC_BLACK); 1327 } 1328 vd->vd_flags |= VDF_SPLASH; 1329 } 1330 } 1331 #endif 1332 1333 1334 static void 1335 vtterm_cnprobe(struct terminal *tm, struct consdev *cp) 1336 { 1337 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL; 1338 struct vt_window *vw = tm->tm_softc; 1339 struct vt_device *vd = vw->vw_device; 1340 struct winsize wsz; 1341 term_attr_t attr; 1342 term_char_t c; 1343 1344 if (!vty_enabled(VTY_VT)) 1345 return; 1346 1347 if (vd->vd_flags & VDF_INITIALIZED) 1348 /* Initialization already done. */ 1349 return; 1350 1351 SET_FOREACH(vtdlist, vt_drv_set) { 1352 vtd = *vtdlist; 1353 if (vtd->vd_probe == NULL) 1354 continue; 1355 if (vtd->vd_probe(vd) == CN_DEAD) 1356 continue; 1357 if ((vtdbest == NULL) || 1358 (vtd->vd_priority > vtdbest->vd_priority)) 1359 vtdbest = vtd; 1360 } 1361 if (vtdbest == NULL) { 1362 cp->cn_pri = CN_DEAD; 1363 vd->vd_flags |= VDF_DEAD; 1364 } else { 1365 vd->vd_driver = vtdbest; 1366 cp->cn_pri = vd->vd_driver->vd_init(vd); 1367 } 1368 1369 /* Check if driver's vt_init return CN_DEAD. */ 1370 if (cp->cn_pri == CN_DEAD) { 1371 vd->vd_flags |= VDF_DEAD; 1372 } 1373 1374 /* Initialize any early-boot keyboard drivers */ 1375 kbd_configure(KB_CONF_PROBE_ONLY); 1376 1377 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1); 1378 vd->vd_windows[VT_CONSWINDOW] = vw; 1379 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw)); 1380 1381 /* Attach default font if not in TEXTMODE. */ 1382 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 1383 vw->vw_font = vtfont_ref(&vt_font_default); 1384 vt_compute_drawable_area(vw); 1385 } 1386 1387 /* 1388 * The original screen size was faked (_VTDEFW x _VTDEFH). Now 1389 * that we have the real viewable size, fix it in the static 1390 * buffer. 1391 */ 1392 if (vd->vd_width != 0 && vd->vd_height != 0) 1393 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size); 1394 1395 vtbuf_init_early(&vw->vw_buf); 1396 vt_winsize(vd, vw->vw_font, &wsz); 1397 c = (boothowto & RB_MUTE) == 0 ? TERMINAL_KERN_ATTR : 1398 TERMINAL_NORM_ATTR; 1399 attr.ta_format = TCHAR_FORMAT(c); 1400 attr.ta_fgcolor = TCHAR_FGCOLOR(c); 1401 attr.ta_bgcolor = TCHAR_BGCOLOR(c); 1402 terminal_set_winsize_blank(tm, &wsz, 1, &attr); 1403 1404 if (vtdbest != NULL) { 1405 #ifdef DEV_SPLASH 1406 if (!vt_splash_cpu) 1407 vtterm_splash(vd); 1408 #endif 1409 vd->vd_flags |= VDF_INITIALIZED; 1410 } 1411 } 1412 1413 static int 1414 vtterm_cngetc(struct terminal *tm) 1415 { 1416 struct vt_window *vw = tm->tm_softc; 1417 struct vt_device *vd = vw->vw_device; 1418 keyboard_t *kbd; 1419 u_int c; 1420 1421 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1422 return (*vw->vw_kbdsq++); 1423 1424 /* Make sure the splash screen is not there. */ 1425 if (vd->vd_flags & VDF_SPLASH) { 1426 /* Remove splash */ 1427 vd->vd_flags &= ~VDF_SPLASH; 1428 /* Mark screen as invalid to force update */ 1429 vd->vd_flags |= VDF_INVALID; 1430 vt_flush(vd); 1431 } 1432 1433 /* Stripped down keyboard handler. */ 1434 kbd = kbd_get_keyboard(vd->vd_keyboard); 1435 if (kbd == NULL) 1436 return (-1); 1437 1438 /* Force keyboard input mode to K_XLATE */ 1439 vw->vw_kbdmode = K_XLATE; 1440 vt_update_kbd_mode(vw, kbd); 1441 1442 /* Switch the keyboard to polling to make it work here. */ 1443 kbdd_poll(kbd, TRUE); 1444 c = kbdd_read_char(kbd, 0); 1445 kbdd_poll(kbd, FALSE); 1446 if (c & RELKEY) 1447 return (-1); 1448 1449 if (vw->vw_flags & VWF_SCROLL) { 1450 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */); 1451 vt_flush(vd); 1452 return (-1); 1453 } 1454 1455 /* Stripped down handling of vt_kbdevent(), without locking, etc. */ 1456 if (c & SPCLKEY) { 1457 switch (c) { 1458 case SPCLKEY | SLK: 1459 vt_save_kbd_state(vw, kbd); 1460 if (vw->vw_kbdstate & SLKED) { 1461 /* Turn scrolling on. */ 1462 vw->vw_flags |= VWF_SCROLL; 1463 VTBUF_SLCK_ENABLE(&vw->vw_buf); 1464 } else { 1465 /* Turn scrolling off. */ 1466 vt_scroll(vw, 0, VHS_END); 1467 vw->vw_flags &= ~VWF_SCROLL; 1468 VTBUF_SLCK_DISABLE(&vw->vw_buf); 1469 } 1470 break; 1471 /* XXX: KDB can handle history. */ 1472 case SPCLKEY | FKEY | F(50): /* Arrow up. */ 1473 vw->vw_kbdsq = "\x1b[A"; 1474 break; 1475 case SPCLKEY | FKEY | F(58): /* Arrow down. */ 1476 vw->vw_kbdsq = "\x1b[B"; 1477 break; 1478 case SPCLKEY | FKEY | F(55): /* Arrow right. */ 1479 vw->vw_kbdsq = "\x1b[C"; 1480 break; 1481 case SPCLKEY | FKEY | F(53): /* Arrow left. */ 1482 vw->vw_kbdsq = "\x1b[D"; 1483 break; 1484 } 1485 1486 /* Force refresh to make scrollback work. */ 1487 vt_flush(vd); 1488 } else if (KEYFLAGS(c) == 0) { 1489 return (KEYCHAR(c)); 1490 } 1491 1492 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1493 return (*vw->vw_kbdsq++); 1494 1495 return (-1); 1496 } 1497 1498 static void 1499 vtterm_cngrab(struct terminal *tm) 1500 { 1501 struct vt_device *vd; 1502 struct vt_window *vw; 1503 keyboard_t *kbd; 1504 1505 vw = tm->tm_softc; 1506 vd = vw->vw_device; 1507 1508 if (!cold) 1509 vt_window_switch(vw); 1510 1511 kbd = kbd_get_keyboard(vd->vd_keyboard); 1512 if (kbd == NULL) 1513 return; 1514 1515 if (vw->vw_grabbed++ > 0) 1516 return; 1517 1518 /* 1519 * Make sure the keyboard is accessible even when the kbd device 1520 * driver is disabled. 1521 */ 1522 kbdd_enable(kbd); 1523 1524 /* We shall always use the keyboard in the XLATE mode here. */ 1525 vw->vw_prev_kbdmode = vw->vw_kbdmode; 1526 vw->vw_kbdmode = K_XLATE; 1527 vt_update_kbd_mode(vw, kbd); 1528 1529 kbdd_poll(kbd, TRUE); 1530 } 1531 1532 static void 1533 vtterm_cnungrab(struct terminal *tm) 1534 { 1535 struct vt_device *vd; 1536 struct vt_window *vw; 1537 keyboard_t *kbd; 1538 1539 vw = tm->tm_softc; 1540 vd = vw->vw_device; 1541 1542 kbd = kbd_get_keyboard(vd->vd_keyboard); 1543 if (kbd == NULL) 1544 return; 1545 1546 if (--vw->vw_grabbed > 0) 1547 return; 1548 1549 kbdd_poll(kbd, FALSE); 1550 1551 vw->vw_kbdmode = vw->vw_prev_kbdmode; 1552 vt_update_kbd_mode(vw, kbd); 1553 kbdd_disable(kbd); 1554 } 1555 1556 static void 1557 vtterm_opened(struct terminal *tm, int opened) 1558 { 1559 struct vt_window *vw = tm->tm_softc; 1560 struct vt_device *vd = vw->vw_device; 1561 1562 VT_LOCK(vd); 1563 vd->vd_flags &= ~VDF_SPLASH; 1564 if (opened) 1565 vw->vw_flags |= VWF_OPENED; 1566 else { 1567 vw->vw_flags &= ~VWF_OPENED; 1568 /* TODO: finish ACQ/REL */ 1569 } 1570 VT_UNLOCK(vd); 1571 } 1572 1573 static int 1574 vt_change_font(struct vt_window *vw, struct vt_font *vf) 1575 { 1576 struct vt_device *vd = vw->vw_device; 1577 struct terminal *tm = vw->vw_terminal; 1578 term_pos_t size; 1579 struct winsize wsz; 1580 1581 /* 1582 * Changing fonts. 1583 * 1584 * Changing fonts is a little tricky. We must prevent 1585 * simultaneous access to the device, so we must stop 1586 * the display timer and the terminal from accessing. 1587 * We need to switch fonts and grow our screen buffer. 1588 * 1589 * XXX: Right now the code uses terminal_mute() to 1590 * prevent data from reaching the console driver while 1591 * resizing the screen buffer. This isn't elegant... 1592 */ 1593 1594 VT_LOCK(vd); 1595 if (vw->vw_flags & VWF_BUSY) { 1596 /* Another process is changing the font. */ 1597 VT_UNLOCK(vd); 1598 return (EBUSY); 1599 } 1600 vw->vw_flags |= VWF_BUSY; 1601 VT_UNLOCK(vd); 1602 1603 vt_termsize(vd, vf, &size); 1604 vt_winsize(vd, vf, &wsz); 1605 1606 /* Grow the screen buffer and terminal. */ 1607 terminal_mute(tm, 1); 1608 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 1609 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 1610 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 1611 terminal_mute(tm, 0); 1612 1613 /* Actually apply the font to the current window. */ 1614 VT_LOCK(vd); 1615 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) { 1616 /* 1617 * In case vt_change_font called to update size we don't need 1618 * to update font link. 1619 */ 1620 vtfont_unref(vw->vw_font); 1621 vw->vw_font = vtfont_ref(vf); 1622 } 1623 1624 /* 1625 * Compute the drawable area and move the mouse cursor inside 1626 * it, in case the new area is smaller than the previous one. 1627 */ 1628 vt_compute_drawable_area(vw); 1629 vd->vd_mx = min(vd->vd_mx, 1630 vw->vw_draw_area.tr_end.tp_col - 1631 vw->vw_draw_area.tr_begin.tp_col - 1); 1632 vd->vd_my = min(vd->vd_my, 1633 vw->vw_draw_area.tr_end.tp_row - 1634 vw->vw_draw_area.tr_begin.tp_row - 1); 1635 1636 /* Force a full redraw the next timer tick. */ 1637 if (vd->vd_curwindow == vw) { 1638 vd->vd_flags |= VDF_INVALID; 1639 vt_resume_flush_timer(vw->vw_device, 0); 1640 } 1641 vw->vw_flags &= ~VWF_BUSY; 1642 VT_UNLOCK(vd); 1643 return (0); 1644 } 1645 1646 static int 1647 vt_proc_alive(struct vt_window *vw) 1648 { 1649 struct proc *p; 1650 1651 if (vw->vw_smode.mode != VT_PROCESS) 1652 return (FALSE); 1653 1654 if (vw->vw_proc) { 1655 if ((p = pfind(vw->vw_pid)) != NULL) 1656 PROC_UNLOCK(p); 1657 if (vw->vw_proc == p) 1658 return (TRUE); 1659 vw->vw_proc = NULL; 1660 vw->vw_smode.mode = VT_AUTO; 1661 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid); 1662 vw->vw_pid = 0; 1663 } 1664 return (FALSE); 1665 } 1666 1667 static int 1668 signal_vt_rel(struct vt_window *vw) 1669 { 1670 1671 if (vw->vw_smode.mode != VT_PROCESS) 1672 return (FALSE); 1673 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1674 vw->vw_proc = NULL; 1675 vw->vw_pid = 0; 1676 return (TRUE); 1677 } 1678 vw->vw_flags |= VWF_SWWAIT_REL; 1679 PROC_LOCK(vw->vw_proc); 1680 kern_psignal(vw->vw_proc, vw->vw_smode.relsig); 1681 PROC_UNLOCK(vw->vw_proc); 1682 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid); 1683 return (TRUE); 1684 } 1685 1686 static int 1687 signal_vt_acq(struct vt_window *vw) 1688 { 1689 1690 if (vw->vw_smode.mode != VT_PROCESS) 1691 return (FALSE); 1692 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 1693 cnavailable(vw->vw_terminal->consdev, FALSE); 1694 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1695 vw->vw_proc = NULL; 1696 vw->vw_pid = 0; 1697 return (TRUE); 1698 } 1699 vw->vw_flags |= VWF_SWWAIT_ACQ; 1700 PROC_LOCK(vw->vw_proc); 1701 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig); 1702 PROC_UNLOCK(vw->vw_proc); 1703 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid); 1704 return (TRUE); 1705 } 1706 1707 static int 1708 finish_vt_rel(struct vt_window *vw, int release, int *s) 1709 { 1710 1711 if (vw->vw_flags & VWF_SWWAIT_REL) { 1712 vw->vw_flags &= ~VWF_SWWAIT_REL; 1713 if (release) { 1714 callout_drain(&vw->vw_proc_dead_timer); 1715 vt_late_window_switch(vw->vw_switch_to); 1716 } 1717 return (0); 1718 } 1719 return (EINVAL); 1720 } 1721 1722 static int 1723 finish_vt_acq(struct vt_window *vw) 1724 { 1725 1726 if (vw->vw_flags & VWF_SWWAIT_ACQ) { 1727 vw->vw_flags &= ~VWF_SWWAIT_ACQ; 1728 return (0); 1729 } 1730 return (EINVAL); 1731 } 1732 1733 #ifndef SC_NO_CUTPASTE 1734 static void 1735 vt_mouse_terminput_button(struct vt_device *vd, int button) 1736 { 1737 struct vt_window *vw; 1738 struct vt_font *vf; 1739 char mouseb[6] = "\x1B[M"; 1740 int i, x, y; 1741 1742 vw = vd->vd_curwindow; 1743 vf = vw->vw_font; 1744 1745 /* Translate to char position. */ 1746 x = vd->vd_mx / vf->vf_width; 1747 y = vd->vd_my / vf->vf_height; 1748 /* Avoid overflow. */ 1749 x = MIN(x, 255 - '!'); 1750 y = MIN(y, 255 - '!'); 1751 1752 mouseb[3] = ' ' + button; 1753 mouseb[4] = '!' + x; 1754 mouseb[5] = '!' + y; 1755 1756 for (i = 0; i < sizeof(mouseb); i++) 1757 terminal_input_char(vw->vw_terminal, mouseb[i]); 1758 } 1759 1760 static void 1761 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event, 1762 int cnt) 1763 { 1764 1765 switch (type) { 1766 case MOUSE_BUTTON_EVENT: 1767 if (cnt > 0) { 1768 /* Mouse button pressed. */ 1769 if (event & MOUSE_BUTTON1DOWN) 1770 vt_mouse_terminput_button(vd, 0); 1771 if (event & MOUSE_BUTTON2DOWN) 1772 vt_mouse_terminput_button(vd, 1); 1773 if (event & MOUSE_BUTTON3DOWN) 1774 vt_mouse_terminput_button(vd, 2); 1775 } else { 1776 /* Mouse button released. */ 1777 vt_mouse_terminput_button(vd, 3); 1778 } 1779 break; 1780 #ifdef notyet 1781 case MOUSE_MOTION_EVENT: 1782 if (mouse->u.data.z < 0) { 1783 /* Scroll up. */ 1784 sc_mouse_input_button(vd, 64); 1785 } else if (mouse->u.data.z > 0) { 1786 /* Scroll down. */ 1787 sc_mouse_input_button(vd, 65); 1788 } 1789 break; 1790 #endif 1791 } 1792 } 1793 1794 static void 1795 vt_mouse_paste() 1796 { 1797 term_char_t *buf; 1798 int i, len; 1799 1800 len = VD_PASTEBUFLEN(main_vd); 1801 buf = VD_PASTEBUF(main_vd); 1802 len /= sizeof(term_char_t); 1803 for (i = 0; i < len; i++) { 1804 if (buf[i] == '\0') 1805 continue; 1806 terminal_input_char(main_vd->vd_curwindow->vw_terminal, 1807 buf[i]); 1808 } 1809 } 1810 1811 void 1812 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel) 1813 { 1814 struct vt_device *vd; 1815 struct vt_window *vw; 1816 struct vt_font *vf; 1817 term_pos_t size; 1818 int len, mark; 1819 1820 vd = main_vd; 1821 vw = vd->vd_curwindow; 1822 vf = vw->vw_font; 1823 mark = 0; 1824 1825 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS)) 1826 /* 1827 * Either the mouse is disabled, or the window is in 1828 * "graphics mode". The graphics mode is usually set by 1829 * an X server, using the KDSETMODE ioctl. 1830 */ 1831 return; 1832 1833 if (vf == NULL) /* Text mode. */ 1834 return; 1835 1836 /* 1837 * TODO: add flag about pointer position changed, to not redraw chars 1838 * under mouse pointer when nothing changed. 1839 */ 1840 1841 if (vw->vw_mouse_level > 0) 1842 vt_mouse_terminput(vd, type, x, y, event, cnt); 1843 1844 switch (type) { 1845 case MOUSE_ACTION: 1846 case MOUSE_MOTION_EVENT: 1847 /* Movement */ 1848 x += vd->vd_mx; 1849 y += vd->vd_my; 1850 1851 vt_termsize(vd, vf, &size); 1852 1853 /* Apply limits. */ 1854 x = MAX(x, 0); 1855 y = MAX(y, 0); 1856 x = MIN(x, (size.tp_col * vf->vf_width) - 1); 1857 y = MIN(y, (size.tp_row * vf->vf_height) - 1); 1858 1859 vd->vd_mx = x; 1860 vd->vd_my = y; 1861 if (vd->vd_mstate & MOUSE_BUTTON1DOWN) 1862 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE, 1863 vd->vd_mx / vf->vf_width, 1864 vd->vd_my / vf->vf_height); 1865 1866 vt_resume_flush_timer(vw->vw_device, 0); 1867 return; /* Done */ 1868 case MOUSE_BUTTON_EVENT: 1869 /* Buttons */ 1870 break; 1871 default: 1872 return; /* Done */ 1873 } 1874 1875 switch (event) { 1876 case MOUSE_BUTTON1DOWN: 1877 switch (cnt % 4) { 1878 case 0: /* up */ 1879 mark = VTB_MARK_END; 1880 break; 1881 case 1: /* single click: start cut operation */ 1882 mark = VTB_MARK_START; 1883 break; 1884 case 2: /* double click: cut a word */ 1885 mark = VTB_MARK_WORD; 1886 break; 1887 case 3: /* triple click: cut a line */ 1888 mark = VTB_MARK_ROW; 1889 break; 1890 } 1891 break; 1892 case VT_MOUSE_PASTEBUTTON: 1893 switch (cnt) { 1894 case 0: /* up */ 1895 break; 1896 default: 1897 vt_mouse_paste(); 1898 break; 1899 } 1900 return; /* Done */ 1901 case VT_MOUSE_EXTENDBUTTON: 1902 switch (cnt) { 1903 case 0: /* up */ 1904 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN)) 1905 mark = VTB_MARK_EXTEND; 1906 else 1907 mark = 0; 1908 break; 1909 default: 1910 mark = VTB_MARK_EXTEND; 1911 break; 1912 } 1913 break; 1914 default: 1915 return; /* Done */ 1916 } 1917 1918 /* Save buttons state. */ 1919 if (cnt > 0) 1920 vd->vd_mstate |= event; 1921 else 1922 vd->vd_mstate &= ~event; 1923 1924 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width, 1925 vd->vd_my / vf->vf_height) == 1) { 1926 /* 1927 * We have something marked to copy, so update pointer to 1928 * window with selection. 1929 */ 1930 vt_resume_flush_timer(vw->vw_device, 0); 1931 1932 switch (mark) { 1933 case VTB_MARK_END: 1934 case VTB_MARK_WORD: 1935 case VTB_MARK_ROW: 1936 case VTB_MARK_EXTEND: 1937 break; 1938 default: 1939 /* Other types of mark do not require to copy data. */ 1940 return; 1941 } 1942 1943 /* Get current selection size in bytes. */ 1944 len = vtbuf_get_marked_len(&vw->vw_buf); 1945 if (len <= 0) 1946 return; 1947 1948 /* Reallocate buffer only if old one is too small. */ 1949 if (len > VD_PASTEBUFSZ(vd)) { 1950 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT, 1951 M_WAITOK | M_ZERO); 1952 /* Update buffer size. */ 1953 VD_PASTEBUFSZ(vd) = len; 1954 } 1955 /* Request copy/paste buffer data, no more than `len' */ 1956 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd), 1957 VD_PASTEBUFSZ(vd)); 1958 1959 VD_PASTEBUFLEN(vd) = len; 1960 1961 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */ 1962 } 1963 } 1964 1965 void 1966 vt_mouse_state(int show) 1967 { 1968 struct vt_device *vd; 1969 struct vt_window *vw; 1970 1971 vd = main_vd; 1972 vw = vd->vd_curwindow; 1973 1974 switch (show) { 1975 case VT_MOUSE_HIDE: 1976 vw->vw_flags |= VWF_MOUSE_HIDE; 1977 break; 1978 case VT_MOUSE_SHOW: 1979 vw->vw_flags &= ~VWF_MOUSE_HIDE; 1980 break; 1981 } 1982 1983 /* Mark mouse position as dirty. */ 1984 vt_mark_mouse_position_as_dirty(vd); 1985 vt_resume_flush_timer(vw->vw_device, 0); 1986 } 1987 #endif 1988 1989 static int 1990 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr, 1991 int nprot, vm_memattr_t *memattr) 1992 { 1993 struct vt_window *vw = tm->tm_softc; 1994 struct vt_device *vd = vw->vw_device; 1995 1996 if (vd->vd_driver->vd_fb_mmap) 1997 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot, 1998 memattr)); 1999 2000 return (ENXIO); 2001 } 2002 2003 static int 2004 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data, 2005 struct thread *td) 2006 { 2007 struct vt_window *vw = tm->tm_softc; 2008 struct vt_device *vd = vw->vw_device; 2009 keyboard_t *kbd; 2010 int error, i, s; 2011 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 2012 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 2013 int ival; 2014 2015 switch (cmd) { 2016 case _IO('v', 4): 2017 cmd = VT_RELDISP; 2018 break; 2019 case _IO('v', 5): 2020 cmd = VT_ACTIVATE; 2021 break; 2022 case _IO('v', 6): 2023 cmd = VT_WAITACTIVE; 2024 break; 2025 case _IO('K', 20): 2026 cmd = KDSKBSTATE; 2027 break; 2028 case _IO('K', 67): 2029 cmd = KDSETRAD; 2030 break; 2031 case _IO('K', 7): 2032 cmd = KDSKBMODE; 2033 break; 2034 case _IO('K', 8): 2035 cmd = KDMKTONE; 2036 break; 2037 case _IO('K', 63): 2038 cmd = KIOCSOUND; 2039 break; 2040 case _IO('K', 66): 2041 cmd = KDSETLED; 2042 break; 2043 case _IO('c', 110): 2044 cmd = CONS_SETKBD; 2045 break; 2046 default: 2047 goto skip_thunk; 2048 } 2049 ival = IOCPARM_IVAL(data); 2050 data = (caddr_t)&ival; 2051 skip_thunk: 2052 #endif 2053 2054 switch (cmd) { 2055 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 2056 if (*(int *)data & ~0x7f) 2057 return (EINVAL); 2058 /* FALLTHROUGH */ 2059 case GIO_KEYMAP: 2060 case PIO_KEYMAP: 2061 case GIO_DEADKEYMAP: 2062 case PIO_DEADKEYMAP: 2063 case GETFKEY: 2064 case SETFKEY: 2065 case KDGKBINFO: 2066 case KDGKBTYPE: 2067 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 2068 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 2069 case KBADDKBD: /* add/remove keyboard to/from mux */ 2070 case KBRELKBD: { 2071 error = 0; 2072 2073 mtx_lock(&Giant); 2074 kbd = kbd_get_keyboard(vd->vd_keyboard); 2075 if (kbd != NULL) 2076 error = kbdd_ioctl(kbd, cmd, data); 2077 mtx_unlock(&Giant); 2078 if (error == ENOIOCTL) { 2079 if (cmd == KDGKBTYPE) { 2080 /* always return something? XXX */ 2081 *(int *)data = 0; 2082 } else { 2083 return (ENODEV); 2084 } 2085 } 2086 return (error); 2087 } 2088 case KDGKBSTATE: { /* get keyboard state (locks) */ 2089 error = 0; 2090 2091 if (vw == vd->vd_curwindow) { 2092 mtx_lock(&Giant); 2093 kbd = kbd_get_keyboard(vd->vd_keyboard); 2094 if (kbd != NULL) 2095 error = vt_save_kbd_state(vw, kbd); 2096 mtx_unlock(&Giant); 2097 2098 if (error != 0) 2099 return (error); 2100 } 2101 2102 *(int *)data = vw->vw_kbdstate & LOCK_MASK; 2103 2104 return (error); 2105 } 2106 case KDSKBSTATE: { /* set keyboard state (locks) */ 2107 int state; 2108 2109 state = *(int *)data; 2110 if (state & ~LOCK_MASK) 2111 return (EINVAL); 2112 2113 vw->vw_kbdstate &= ~LOCK_MASK; 2114 vw->vw_kbdstate |= state; 2115 2116 error = 0; 2117 if (vw == vd->vd_curwindow) { 2118 mtx_lock(&Giant); 2119 kbd = kbd_get_keyboard(vd->vd_keyboard); 2120 if (kbd != NULL) 2121 error = vt_update_kbd_state(vw, kbd); 2122 mtx_unlock(&Giant); 2123 } 2124 2125 return (error); 2126 } 2127 case KDGETLED: { /* get keyboard LED status */ 2128 error = 0; 2129 2130 if (vw == vd->vd_curwindow) { 2131 mtx_lock(&Giant); 2132 kbd = kbd_get_keyboard(vd->vd_keyboard); 2133 if (kbd != NULL) 2134 error = vt_save_kbd_leds(vw, kbd); 2135 mtx_unlock(&Giant); 2136 2137 if (error != 0) 2138 return (error); 2139 } 2140 2141 *(int *)data = vw->vw_kbdstate & LED_MASK; 2142 2143 return (error); 2144 } 2145 case KDSETLED: { /* set keyboard LED status */ 2146 int leds; 2147 2148 leds = *(int *)data; 2149 if (leds & ~LED_MASK) 2150 return (EINVAL); 2151 2152 vw->vw_kbdstate &= ~LED_MASK; 2153 vw->vw_kbdstate |= leds; 2154 2155 error = 0; 2156 if (vw == vd->vd_curwindow) { 2157 mtx_lock(&Giant); 2158 kbd = kbd_get_keyboard(vd->vd_keyboard); 2159 if (kbd != NULL) 2160 error = vt_update_kbd_leds(vw, kbd); 2161 mtx_unlock(&Giant); 2162 } 2163 2164 return (error); 2165 } 2166 case KDGETMODE: 2167 *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ? 2168 KD_GRAPHICS : KD_TEXT; 2169 return (0); 2170 case KDGKBMODE: { 2171 error = 0; 2172 2173 if (vw == vd->vd_curwindow) { 2174 mtx_lock(&Giant); 2175 kbd = kbd_get_keyboard(vd->vd_keyboard); 2176 if (kbd != NULL) 2177 error = vt_save_kbd_mode(vw, kbd); 2178 mtx_unlock(&Giant); 2179 2180 if (error != 0) 2181 return (error); 2182 } 2183 2184 *(int *)data = vw->vw_kbdmode; 2185 2186 return (error); 2187 } 2188 case KDSKBMODE: { 2189 int mode; 2190 2191 mode = *(int *)data; 2192 switch (mode) { 2193 case K_XLATE: 2194 case K_RAW: 2195 case K_CODE: 2196 vw->vw_kbdmode = mode; 2197 2198 error = 0; 2199 if (vw == vd->vd_curwindow) { 2200 mtx_lock(&Giant); 2201 kbd = kbd_get_keyboard(vd->vd_keyboard); 2202 if (kbd != NULL) 2203 error = vt_update_kbd_mode(vw, kbd); 2204 mtx_unlock(&Giant); 2205 } 2206 2207 return (error); 2208 default: 2209 return (EINVAL); 2210 } 2211 } 2212 case FBIOGTYPE: 2213 case FBIO_GETWINORG: /* get frame buffer window origin */ 2214 case FBIO_GETDISPSTART: /* get display start address */ 2215 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 2216 case FBIO_BLANK: /* blank display */ 2217 if (vd->vd_driver->vd_fb_ioctl) 2218 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td)); 2219 break; 2220 case CONS_BLANKTIME: 2221 /* XXX */ 2222 return (0); 2223 case CONS_HISTORY: 2224 if (*(int *)data < 0) 2225 return EINVAL; 2226 if (*(int *)data != vd->vd_curwindow->vw_buf.vb_history_size) 2227 vtbuf_sethistory_size(&vd->vd_curwindow->vw_buf, 2228 *(int *)data); 2229 return 0; 2230 case CONS_GET: 2231 /* XXX */ 2232 *(int *)data = M_CG640x480; 2233 return (0); 2234 case CONS_BELLTYPE: /* set bell type sound */ 2235 if ((*(int *)data) & CONS_QUIET_BELL) 2236 vd->vd_flags |= VDF_QUIET_BELL; 2237 else 2238 vd->vd_flags &= ~VDF_QUIET_BELL; 2239 return (0); 2240 case CONS_GETINFO: { 2241 vid_info_t *vi = (vid_info_t *)data; 2242 if (vi->size != sizeof(struct vid_info)) 2243 return (EINVAL); 2244 2245 if (vw == vd->vd_curwindow) { 2246 mtx_lock(&Giant); 2247 kbd = kbd_get_keyboard(vd->vd_keyboard); 2248 if (kbd != NULL) 2249 vt_save_kbd_state(vw, kbd); 2250 mtx_unlock(&Giant); 2251 } 2252 2253 vi->m_num = vd->vd_curwindow->vw_number + 1; 2254 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK; 2255 /* XXX: other fields! */ 2256 return (0); 2257 } 2258 case CONS_GETVERS: 2259 *(int *)data = 0x200; 2260 return (0); 2261 case CONS_MODEINFO: 2262 /* XXX */ 2263 return (0); 2264 case CONS_MOUSECTL: { 2265 mouse_info_t *mouse = (mouse_info_t*)data; 2266 2267 /* 2268 * All the commands except MOUSE_SHOW nd MOUSE_HIDE 2269 * should not be applied to individual TTYs, but only to 2270 * consolectl. 2271 */ 2272 switch (mouse->operation) { 2273 case MOUSE_HIDE: 2274 if (vd->vd_flags & VDF_MOUSECURSOR) { 2275 vd->vd_flags &= ~VDF_MOUSECURSOR; 2276 #ifndef SC_NO_CUTPASTE 2277 vt_mouse_state(VT_MOUSE_HIDE); 2278 #endif 2279 } 2280 return (0); 2281 case MOUSE_SHOW: 2282 if (!(vd->vd_flags & VDF_MOUSECURSOR)) { 2283 vd->vd_flags |= VDF_MOUSECURSOR; 2284 vd->vd_mx = vd->vd_width / 2; 2285 vd->vd_my = vd->vd_height / 2; 2286 #ifndef SC_NO_CUTPASTE 2287 vt_mouse_state(VT_MOUSE_SHOW); 2288 #endif 2289 } 2290 return (0); 2291 default: 2292 return (EINVAL); 2293 } 2294 } 2295 case PIO_VFONT: { 2296 struct vt_font *vf; 2297 2298 if (vd->vd_flags & VDF_TEXTMODE) 2299 return (ENOTSUP); 2300 2301 error = vtfont_load((void *)data, &vf); 2302 if (error != 0) 2303 return (error); 2304 2305 error = vt_change_font(vw, vf); 2306 vtfont_unref(vf); 2307 return (error); 2308 } 2309 case PIO_VFONT_DEFAULT: { 2310 /* Reset to default font. */ 2311 error = vt_change_font(vw, &vt_font_default); 2312 return (error); 2313 } 2314 case GIO_SCRNMAP: { 2315 scrmap_t *sm = (scrmap_t *)data; 2316 2317 /* We don't have screen maps, so return a handcrafted one. */ 2318 for (i = 0; i < 256; i++) 2319 sm->scrmap[i] = i; 2320 return (0); 2321 } 2322 case KDSETMODE: 2323 /* 2324 * FIXME: This implementation is incomplete compared to 2325 * syscons. 2326 */ 2327 switch (*(int *)data) { 2328 case KD_TEXT: 2329 case KD_TEXT1: 2330 case KD_PIXEL: 2331 vw->vw_flags &= ~VWF_GRAPHICS; 2332 break; 2333 case KD_GRAPHICS: 2334 vw->vw_flags |= VWF_GRAPHICS; 2335 break; 2336 } 2337 return (0); 2338 case KDENABIO: /* allow io operations */ 2339 error = priv_check(td, PRIV_IO); 2340 if (error != 0) 2341 return (error); 2342 error = securelevel_gt(td->td_ucred, 0); 2343 if (error != 0) 2344 return (error); 2345 #if defined(__i386__) 2346 td->td_frame->tf_eflags |= PSL_IOPL; 2347 #elif defined(__amd64__) 2348 td->td_frame->tf_rflags |= PSL_IOPL; 2349 #endif 2350 return (0); 2351 case KDDISABIO: /* disallow io operations (default) */ 2352 #if defined(__i386__) 2353 td->td_frame->tf_eflags &= ~PSL_IOPL; 2354 #elif defined(__amd64__) 2355 td->td_frame->tf_rflags &= ~PSL_IOPL; 2356 #endif 2357 return (0); 2358 case KDMKTONE: /* sound the bell */ 2359 vtterm_beep(tm, *(u_int *)data); 2360 return (0); 2361 case KIOCSOUND: /* make tone (*data) hz */ 2362 /* TODO */ 2363 return (0); 2364 case CONS_SETKBD: /* set the new keyboard */ 2365 mtx_lock(&Giant); 2366 error = 0; 2367 if (vd->vd_keyboard != *(int *)data) { 2368 kbd = kbd_get_keyboard(*(int *)data); 2369 if (kbd == NULL) { 2370 mtx_unlock(&Giant); 2371 return (EINVAL); 2372 } 2373 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, 2374 (void *)vd, vt_kbdevent, vd); 2375 if (i >= 0) { 2376 if (vd->vd_keyboard != -1) { 2377 kbd = kbd_get_keyboard(vd->vd_keyboard); 2378 vt_save_kbd_state(vd->vd_curwindow, kbd); 2379 kbd_release(kbd, (void *)vd); 2380 } 2381 kbd = kbd_get_keyboard(i); 2382 vd->vd_keyboard = i; 2383 2384 vt_update_kbd_mode(vd->vd_curwindow, kbd); 2385 vt_update_kbd_state(vd->vd_curwindow, kbd); 2386 } else { 2387 error = EPERM; /* XXX */ 2388 } 2389 } 2390 mtx_unlock(&Giant); 2391 return (error); 2392 case CONS_RELKBD: /* release the current keyboard */ 2393 mtx_lock(&Giant); 2394 error = 0; 2395 if (vd->vd_keyboard != -1) { 2396 kbd = kbd_get_keyboard(vd->vd_keyboard); 2397 if (kbd == NULL) { 2398 mtx_unlock(&Giant); 2399 return (EINVAL); 2400 } 2401 vt_save_kbd_state(vd->vd_curwindow, kbd); 2402 error = kbd_release(kbd, (void *)vd); 2403 if (error == 0) { 2404 vd->vd_keyboard = -1; 2405 } 2406 } 2407 mtx_unlock(&Giant); 2408 return (error); 2409 case VT_ACTIVATE: { 2410 int win; 2411 win = *(int *)data - 1; 2412 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME, 2413 VT_UNIT(vw), win); 2414 if ((win >= VT_MAXWINDOWS) || (win < 0)) 2415 return (EINVAL); 2416 return (vt_proc_window_switch(vd->vd_windows[win])); 2417 } 2418 case VT_GETACTIVE: 2419 *(int *)data = vd->vd_curwindow->vw_number + 1; 2420 return (0); 2421 case VT_GETINDEX: 2422 *(int *)data = vw->vw_number + 1; 2423 return (0); 2424 case VT_LOCKSWITCH: 2425 /* TODO: Check current state, switching can be in progress. */ 2426 if ((*(int *)data) == 0x01) 2427 vw->vw_flags |= VWF_VTYLOCK; 2428 else if ((*(int *)data) == 0x02) 2429 vw->vw_flags &= ~VWF_VTYLOCK; 2430 else 2431 return (EINVAL); 2432 return (0); 2433 case VT_OPENQRY: 2434 VT_LOCK(vd); 2435 for (i = 0; i < VT_MAXWINDOWS; i++) { 2436 vw = vd->vd_windows[i]; 2437 if (vw == NULL) 2438 continue; 2439 if (!(vw->vw_flags & VWF_OPENED)) { 2440 *(int *)data = vw->vw_number + 1; 2441 VT_UNLOCK(vd); 2442 return (0); 2443 } 2444 } 2445 VT_UNLOCK(vd); 2446 return (EINVAL); 2447 case VT_WAITACTIVE: { 2448 unsigned int idx; 2449 2450 error = 0; 2451 2452 idx = *(unsigned int *)data; 2453 if (idx > VT_MAXWINDOWS) 2454 return (EINVAL); 2455 if (idx > 0) 2456 vw = vd->vd_windows[idx - 1]; 2457 2458 VT_LOCK(vd); 2459 while (vd->vd_curwindow != vw && error == 0) 2460 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2461 VT_UNLOCK(vd); 2462 return (error); 2463 } 2464 case VT_SETMODE: { /* set screen switcher mode */ 2465 struct vt_mode *mode; 2466 struct proc *p1; 2467 2468 mode = (struct vt_mode *)data; 2469 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw)); 2470 if (vw->vw_smode.mode == VT_PROCESS) { 2471 p1 = pfind(vw->vw_pid); 2472 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) { 2473 if (p1) 2474 PROC_UNLOCK(p1); 2475 DPRINTF(5, "error EPERM\n"); 2476 return (EPERM); 2477 } 2478 if (p1) 2479 PROC_UNLOCK(p1); 2480 } 2481 if (mode->mode == VT_AUTO) { 2482 vw->vw_smode.mode = VT_AUTO; 2483 vw->vw_proc = NULL; 2484 vw->vw_pid = 0; 2485 DPRINTF(5, "VT_AUTO, "); 2486 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2487 cnavailable(vw->vw_terminal->consdev, TRUE); 2488 /* were we in the middle of the vty switching process? */ 2489 if (finish_vt_rel(vw, TRUE, &s) == 0) 2490 DPRINTF(5, "reset WAIT_REL, "); 2491 if (finish_vt_acq(vw) == 0) 2492 DPRINTF(5, "reset WAIT_ACQ, "); 2493 return (0); 2494 } else if (mode->mode == VT_PROCESS) { 2495 if (!ISSIGVALID(mode->relsig) || 2496 !ISSIGVALID(mode->acqsig) || 2497 !ISSIGVALID(mode->frsig)) { 2498 DPRINTF(5, "error EINVAL\n"); 2499 return (EINVAL); 2500 } 2501 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid); 2502 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode)); 2503 vw->vw_proc = td->td_proc; 2504 vw->vw_pid = vw->vw_proc->p_pid; 2505 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2506 cnavailable(vw->vw_terminal->consdev, FALSE); 2507 } else { 2508 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n", 2509 mode->mode); 2510 return (EINVAL); 2511 } 2512 DPRINTF(5, "\n"); 2513 return (0); 2514 } 2515 case VT_GETMODE: /* get screen switcher mode */ 2516 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode)); 2517 return (0); 2518 2519 case VT_RELDISP: /* screen switcher ioctl */ 2520 /* 2521 * This must be the current vty which is in the VT_PROCESS 2522 * switching mode... 2523 */ 2524 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode != 2525 VT_PROCESS)) { 2526 return (EINVAL); 2527 } 2528 /* ...and this process is controlling it. */ 2529 if (vw->vw_proc != td->td_proc) { 2530 return (EPERM); 2531 } 2532 error = EINVAL; 2533 switch(*(int *)data) { 2534 case VT_FALSE: /* user refuses to release screen, abort */ 2535 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0) 2536 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n", 2537 SC_DRIVER_NAME, VT_UNIT(vw)); 2538 break; 2539 case VT_TRUE: /* user has released screen, go on */ 2540 /* finish_vt_rel(..., TRUE, ...) should not be locked */ 2541 if (vw->vw_flags & VWF_SWWAIT_REL) { 2542 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0) 2543 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n", 2544 SC_DRIVER_NAME, VT_UNIT(vw)); 2545 } else { 2546 error = EINVAL; 2547 } 2548 return (error); 2549 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 2550 if ((error = finish_vt_acq(vw)) == 0) 2551 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n", 2552 SC_DRIVER_NAME, VT_UNIT(vw)); 2553 break; 2554 default: 2555 break; 2556 } 2557 return (error); 2558 } 2559 2560 return (ENOIOCTL); 2561 } 2562 2563 static struct vt_window * 2564 vt_allocate_window(struct vt_device *vd, unsigned int window) 2565 { 2566 struct vt_window *vw; 2567 struct terminal *tm; 2568 term_pos_t size; 2569 struct winsize wsz; 2570 2571 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO); 2572 vw->vw_device = vd; 2573 vw->vw_number = window; 2574 vw->vw_kbdmode = K_XLATE; 2575 2576 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 2577 vw->vw_font = vtfont_ref(&vt_font_default); 2578 vt_compute_drawable_area(vw); 2579 } 2580 2581 vt_termsize(vd, vw->vw_font, &size); 2582 vt_winsize(vd, vw->vw_font, &wsz); 2583 vtbuf_init(&vw->vw_buf, &size); 2584 2585 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw); 2586 terminal_set_winsize(tm, &wsz); 2587 vd->vd_windows[window] = vw; 2588 callout_init(&vw->vw_proc_dead_timer, 0); 2589 2590 return (vw); 2591 } 2592 2593 void 2594 vt_upgrade(struct vt_device *vd) 2595 { 2596 struct vt_window *vw; 2597 unsigned int i; 2598 int register_handlers; 2599 2600 if (!vty_enabled(VTY_VT)) 2601 return; 2602 if (main_vd->vd_driver == NULL) 2603 return; 2604 2605 for (i = 0; i < VT_MAXWINDOWS; i++) { 2606 vw = vd->vd_windows[i]; 2607 if (vw == NULL) { 2608 /* New window. */ 2609 vw = vt_allocate_window(vd, i); 2610 } 2611 if (!(vw->vw_flags & VWF_READY)) { 2612 callout_init(&vw->vw_proc_dead_timer, 0); 2613 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw)); 2614 vw->vw_flags |= VWF_READY; 2615 if (vw->vw_flags & VWF_CONSOLE) { 2616 /* For existing console window. */ 2617 EVENTHANDLER_REGISTER(shutdown_pre_sync, 2618 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT); 2619 } 2620 } 2621 2622 } 2623 VT_LOCK(vd); 2624 if (vd->vd_curwindow == NULL) 2625 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW]; 2626 2627 register_handlers = 0; 2628 if (!(vd->vd_flags & VDF_ASYNC)) { 2629 /* Attach keyboard. */ 2630 vt_allocate_keyboard(vd); 2631 2632 /* Init 25 Hz timer. */ 2633 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0); 2634 2635 /* 2636 * Start timer when everything ready. 2637 * Note that the operations here are purposefully ordered. 2638 * We need to ensure vd_timer_armed is non-zero before we set 2639 * the VDF_ASYNC flag. That prevents this function from 2640 * racing with vt_resume_flush_timer() to update the 2641 * callout structure. 2642 */ 2643 atomic_add_acq_int(&vd->vd_timer_armed, 1); 2644 vd->vd_flags |= VDF_ASYNC; 2645 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd); 2646 register_handlers = 1; 2647 } 2648 2649 VT_UNLOCK(vd); 2650 2651 /* Refill settings with new sizes. */ 2652 vt_resize(vd); 2653 2654 if (register_handlers) { 2655 /* Register suspend/resume handlers. */ 2656 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler, 2657 vd, EVENTHANDLER_PRI_ANY); 2658 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd, 2659 EVENTHANDLER_PRI_ANY); 2660 } 2661 } 2662 2663 static void 2664 vt_resize(struct vt_device *vd) 2665 { 2666 struct vt_window *vw; 2667 int i; 2668 2669 for (i = 0; i < VT_MAXWINDOWS; i++) { 2670 vw = vd->vd_windows[i]; 2671 VT_LOCK(vd); 2672 /* Assign default font to window, if not textmode. */ 2673 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL) 2674 vw->vw_font = vtfont_ref(&vt_font_default); 2675 VT_UNLOCK(vd); 2676 2677 /* Resize terminal windows */ 2678 while (vt_change_font(vw, vw->vw_font) == EBUSY) { 2679 DPRINTF(100, "%s: vt_change_font() is busy, " 2680 "window %d\n", __func__, i); 2681 } 2682 } 2683 } 2684 2685 static void 2686 vt_replace_backend(const struct vt_driver *drv, void *softc) 2687 { 2688 struct vt_device *vd; 2689 2690 vd = main_vd; 2691 2692 if (vd->vd_flags & VDF_ASYNC) { 2693 /* Stop vt_flush periodic task. */ 2694 VT_LOCK(vd); 2695 vt_suspend_flush_timer(vd); 2696 VT_UNLOCK(vd); 2697 /* 2698 * Mute current terminal until we done. vt_change_font (called 2699 * from vt_resize) will unmute it. 2700 */ 2701 terminal_mute(vd->vd_curwindow->vw_terminal, 1); 2702 } 2703 2704 /* 2705 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will 2706 * set it. 2707 */ 2708 VT_LOCK(vd); 2709 vd->vd_flags &= ~VDF_TEXTMODE; 2710 2711 if (drv != NULL) { 2712 /* 2713 * We want to upgrade from the current driver to the 2714 * given driver. 2715 */ 2716 2717 vd->vd_prev_driver = vd->vd_driver; 2718 vd->vd_prev_softc = vd->vd_softc; 2719 vd->vd_driver = drv; 2720 vd->vd_softc = softc; 2721 2722 vd->vd_driver->vd_init(vd); 2723 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) { 2724 /* 2725 * No driver given: we want to downgrade to the previous 2726 * driver. 2727 */ 2728 const struct vt_driver *old_drv; 2729 void *old_softc; 2730 2731 old_drv = vd->vd_driver; 2732 old_softc = vd->vd_softc; 2733 2734 vd->vd_driver = vd->vd_prev_driver; 2735 vd->vd_softc = vd->vd_prev_softc; 2736 vd->vd_prev_driver = NULL; 2737 vd->vd_prev_softc = NULL; 2738 2739 vd->vd_flags |= VDF_DOWNGRADE; 2740 2741 vd->vd_driver->vd_init(vd); 2742 2743 if (old_drv->vd_fini) 2744 old_drv->vd_fini(vd, old_softc); 2745 2746 vd->vd_flags &= ~VDF_DOWNGRADE; 2747 } 2748 2749 VT_UNLOCK(vd); 2750 2751 /* Update windows sizes and initialize last items. */ 2752 vt_upgrade(vd); 2753 2754 #ifdef DEV_SPLASH 2755 if (vd->vd_flags & VDF_SPLASH) 2756 vtterm_splash(vd); 2757 #endif 2758 2759 if (vd->vd_flags & VDF_ASYNC) { 2760 /* Allow to put chars now. */ 2761 terminal_mute(vd->vd_curwindow->vw_terminal, 0); 2762 /* Rerun timer for screen updates. */ 2763 vt_resume_flush_timer(vd, 0); 2764 } 2765 2766 /* 2767 * Register as console. If it already registered, cnadd() will ignore 2768 * it. 2769 */ 2770 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal); 2771 } 2772 2773 static void 2774 vt_suspend_handler(void *priv) 2775 { 2776 struct vt_device *vd; 2777 2778 vd = priv; 2779 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL) 2780 vd->vd_driver->vd_suspend(vd); 2781 } 2782 2783 static void 2784 vt_resume_handler(void *priv) 2785 { 2786 struct vt_device *vd; 2787 2788 vd = priv; 2789 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL) 2790 vd->vd_driver->vd_resume(vd); 2791 } 2792 2793 void 2794 vt_allocate(const struct vt_driver *drv, void *softc) 2795 { 2796 2797 if (!vty_enabled(VTY_VT)) 2798 return; 2799 2800 if (main_vd->vd_driver == NULL) { 2801 main_vd->vd_driver = drv; 2802 printf("VT: initialize with new VT driver \"%s\".\n", 2803 drv->vd_name); 2804 } else { 2805 /* 2806 * Check if have rights to replace current driver. For example: 2807 * it is bad idea to replace KMS driver with generic VGA one. 2808 */ 2809 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) { 2810 printf("VT: Driver priority %d too low. Current %d\n ", 2811 drv->vd_priority, main_vd->vd_driver->vd_priority); 2812 return; 2813 } 2814 printf("VT: Replacing driver \"%s\" with new \"%s\".\n", 2815 main_vd->vd_driver->vd_name, drv->vd_name); 2816 } 2817 2818 vt_replace_backend(drv, softc); 2819 } 2820 2821 void 2822 vt_deallocate(const struct vt_driver *drv, void *softc) 2823 { 2824 2825 if (!vty_enabled(VTY_VT)) 2826 return; 2827 2828 if (main_vd->vd_prev_driver == NULL || 2829 main_vd->vd_driver != drv || 2830 main_vd->vd_softc != softc) 2831 return; 2832 2833 printf("VT: Switching back from \"%s\" to \"%s\".\n", 2834 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name); 2835 2836 vt_replace_backend(NULL, NULL); 2837 } 2838 2839 void 2840 vt_suspend(struct vt_device *vd) 2841 { 2842 int error; 2843 2844 if (vt_suspendswitch == 0) 2845 return; 2846 /* Save current window. */ 2847 vd->vd_savedwindow = vd->vd_curwindow; 2848 /* Ask holding process to free window and switch to console window */ 2849 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]); 2850 2851 /* Wait for the window switch to complete. */ 2852 error = 0; 2853 VT_LOCK(vd); 2854 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0) 2855 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2856 VT_UNLOCK(vd); 2857 } 2858 2859 void 2860 vt_resume(struct vt_device *vd) 2861 { 2862 2863 if (vt_suspendswitch == 0) 2864 return; 2865 /* Switch back to saved window, if any */ 2866 vt_proc_window_switch(vd->vd_savedwindow); 2867 vd->vd_savedwindow = NULL; 2868 } 2869