1 /*- 2 * Copyright (c) 2009, 2013 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Ed Schouten under sponsorship from the 6 * FreeBSD Foundation. 7 * 8 * Portions of this software were developed by Oleksandr Rybalko 9 * under sponsorship from the FreeBSD Foundation. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include "opt_compat.h" 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_param_t vtterm_param; 70 static tc_done_t vtterm_done; 71 72 static tc_cnprobe_t vtterm_cnprobe; 73 static tc_cngetc_t vtterm_cngetc; 74 75 static tc_cngrab_t vtterm_cngrab; 76 static tc_cnungrab_t vtterm_cnungrab; 77 78 static tc_opened_t vtterm_opened; 79 static tc_ioctl_t vtterm_ioctl; 80 static tc_mmap_t vtterm_mmap; 81 82 const struct terminal_class vt_termclass = { 83 .tc_bell = vtterm_bell, 84 .tc_cursor = vtterm_cursor, 85 .tc_putchar = vtterm_putchar, 86 .tc_fill = vtterm_fill, 87 .tc_copy = vtterm_copy, 88 .tc_param = vtterm_param, 89 .tc_done = vtterm_done, 90 91 .tc_cnprobe = vtterm_cnprobe, 92 .tc_cngetc = vtterm_cngetc, 93 94 .tc_cngrab = vtterm_cngrab, 95 .tc_cnungrab = vtterm_cnungrab, 96 97 .tc_opened = vtterm_opened, 98 .tc_ioctl = vtterm_ioctl, 99 .tc_mmap = vtterm_mmap, 100 }; 101 102 /* 103 * Use a constant timer of 25 Hz to redraw the screen. 104 * 105 * XXX: In theory we should only fire up the timer when there is really 106 * activity. Unfortunately we cannot always start timers. We really 107 * don't want to process kernel messages synchronously, because it 108 * really slows down the system. 109 */ 110 #define VT_TIMERFREQ 25 111 112 /* Bell pitch/duration. */ 113 #define VT_BELLDURATION ((5 * hz + 99) / 100) 114 #define VT_BELLPITCH 800 115 116 #define VT_UNIT(vw) ((vw)->vw_device->vd_unit * VT_MAXWINDOWS + \ 117 (vw)->vw_number) 118 119 static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD, 0, "vt(9) parameters"); 120 static VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)"); 121 static VT_SYSCTL_INT(enable_bell, 1, "Enable bell"); 122 static VT_SYSCTL_INT(debug, 0, "vt(9) debug level"); 123 static VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode"); 124 static VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend"); 125 126 /* Allow to disable some keyboard combinations. */ 127 static VT_SYSCTL_INT(kbd_halt, 1, "Enable halt keyboard combination. " 128 "See kbdmap(5) to configure."); 129 static VT_SYSCTL_INT(kbd_poweroff, 1, "Enable Power Off keyboard combination. " 130 "See kbdmap(5) to configure."); 131 static VT_SYSCTL_INT(kbd_reboot, 1, "Enable reboot keyboard combination. " 132 "See kbdmap(5) to configure (typically Ctrl-Alt-Delete)."); 133 static VT_SYSCTL_INT(kbd_debug, 1, "Enable key combination to enter debugger. " 134 "See kbdmap(5) to configure (typically Ctrl-Alt-Esc)."); 135 static VT_SYSCTL_INT(kbd_panic, 0, "Enable request to panic. " 136 "See kbdmap(5) to configure."); 137 138 /* Used internally, not a tunable. */ 139 int vt_draw_logo_cpus; 140 VT_SYSCTL_INT(splash_cpu, 0, "Show logo CPUs during boot"); 141 VT_SYSCTL_INT(splash_ncpu, 0, "Override number of logos displayed " 142 "(0 = do not override)"); 143 VT_SYSCTL_INT(splash_cpu_style, 2, "Draw logo style " 144 "(0 = Alternate beastie, 1 = Beastie, 2 = Orb)"); 145 VT_SYSCTL_INT(splash_cpu_duration, 10, "Hide logos after (seconds)"); 146 147 static unsigned int vt_unit = 0; 148 static MALLOC_DEFINE(M_VT, "vt", "vt device"); 149 struct vt_device *main_vd = &vt_consdev; 150 151 /* Boot logo. */ 152 extern unsigned int vt_logo_width; 153 extern unsigned int vt_logo_height; 154 extern unsigned int vt_logo_depth; 155 extern unsigned char vt_logo_image[]; 156 #ifndef DEV_SPLASH 157 #define vtterm_draw_cpu_logos(...) do {} while (0) 158 const unsigned int vt_logo_sprite_height; 159 #endif 160 161 /* Font. */ 162 extern struct vt_font vt_font_default; 163 #ifndef SC_NO_CUTPASTE 164 extern struct vt_mouse_cursor vt_default_mouse_pointer; 165 #endif 166 167 static int signal_vt_rel(struct vt_window *); 168 static int signal_vt_acq(struct vt_window *); 169 static int finish_vt_rel(struct vt_window *, int, int *); 170 static int finish_vt_acq(struct vt_window *); 171 static int vt_window_switch(struct vt_window *); 172 static int vt_late_window_switch(struct vt_window *); 173 static int vt_proc_alive(struct vt_window *); 174 static void vt_resize(struct vt_device *); 175 static void vt_update_static(void *); 176 #ifndef SC_NO_CUTPASTE 177 static void vt_mouse_paste(void); 178 #endif 179 static void vt_suspend_handler(void *priv); 180 static void vt_resume_handler(void *priv); 181 182 SET_DECLARE(vt_drv_set, struct vt_driver); 183 184 #define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)) 185 #define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_MAX_WIDTH)) 186 187 struct terminal vt_consterm; 188 static struct vt_window vt_conswindow; 189 struct vt_device vt_consdev = { 190 .vd_driver = NULL, 191 .vd_softc = NULL, 192 .vd_prev_driver = NULL, 193 .vd_prev_softc = NULL, 194 .vd_flags = VDF_INVALID, 195 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, }, 196 .vd_curwindow = &vt_conswindow, 197 .vd_kbstate = 0, 198 199 #ifndef SC_NO_CUTPASTE 200 .vd_pastebuf = { 201 .vpb_buf = NULL, 202 .vpb_bufsz = 0, 203 .vpb_len = 0 204 }, 205 .vd_mcursor = &vt_default_mouse_pointer, 206 .vd_mcursor_fg = TC_WHITE, 207 .vd_mcursor_bg = TC_BLACK, 208 #endif 209 }; 210 static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)]; 211 static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE]; 212 static struct vt_window vt_conswindow = { 213 .vw_number = VT_CONSWINDOW, 214 .vw_flags = VWF_CONSOLE, 215 .vw_buf = { 216 .vb_buffer = &vt_constextbuf[0], 217 .vb_rows = &vt_constextbufrows[0], 218 .vb_history_size = VBF_DEFAULT_HISTORY_SIZE, 219 .vb_curroffset = 0, 220 .vb_roffset = 0, 221 .vb_flags = VBF_STATIC, 222 .vb_mark_start = {.tp_row = 0, .tp_col = 0,}, 223 .vb_mark_end = {.tp_row = 0, .tp_col = 0,}, 224 .vb_scr_size = { 225 .tp_row = _VTDEFH, 226 .tp_col = _VTDEFW, 227 }, 228 }, 229 .vw_device = &vt_consdev, 230 .vw_terminal = &vt_consterm, 231 .vw_kbdmode = K_XLATE, 232 .vw_grabbed = 0, 233 }; 234 struct terminal vt_consterm = { 235 .tm_class = &vt_termclass, 236 .tm_softc = &vt_conswindow, 237 .tm_flags = TF_CONS, 238 }; 239 static struct consdev vt_consterm_consdev = { 240 .cn_ops = &termcn_cnops, 241 .cn_arg = &vt_consterm, 242 .cn_name = "ttyv0", 243 }; 244 245 /* Add to set of consoles. */ 246 DATA_SET(cons_set, vt_consterm_consdev); 247 248 /* 249 * Right after kmem is done to allow early drivers to use locking and allocate 250 * memory. 251 */ 252 SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static, 253 &vt_consdev); 254 /* Delay until all devices attached, to not waste time. */ 255 SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade, 256 &vt_consdev); 257 258 /* Initialize locks/mem depended members. */ 259 static void 260 vt_update_static(void *dummy) 261 { 262 263 if (!vty_enabled(VTY_VT)) 264 return; 265 if (main_vd->vd_driver != NULL) 266 printf("VT(%s): %s %ux%u\n", main_vd->vd_driver->vd_name, 267 (main_vd->vd_flags & VDF_TEXTMODE) ? "text" : "resolution", 268 main_vd->vd_width, main_vd->vd_height); 269 else 270 printf("VT: init without driver.\n"); 271 272 mtx_init(&main_vd->vd_lock, "vtdev", NULL, MTX_DEF); 273 cv_init(&main_vd->vd_winswitch, "vtwswt"); 274 } 275 276 static void 277 vt_schedule_flush(struct vt_device *vd, int ms) 278 { 279 280 if (ms <= 0) 281 /* Default to initial value. */ 282 ms = 1000 / VT_TIMERFREQ; 283 284 callout_schedule(&vd->vd_timer, hz / (1000 / ms)); 285 } 286 287 void 288 vt_resume_flush_timer(struct vt_device *vd, int ms) 289 { 290 291 if (!(vd->vd_flags & VDF_ASYNC) || 292 !atomic_cmpset_int(&vd->vd_timer_armed, 0, 1)) 293 return; 294 295 vt_schedule_flush(vd, ms); 296 } 297 298 static void 299 vt_suspend_flush_timer(struct vt_device *vd) 300 { 301 /* 302 * As long as this function is called locked, callout_stop() 303 * has the same effect like callout_drain() with regard to 304 * preventing the callback function from executing. 305 */ 306 VT_LOCK_ASSERT(vd, MA_OWNED); 307 308 if (!(vd->vd_flags & VDF_ASYNC) || 309 !atomic_cmpset_int(&vd->vd_timer_armed, 1, 0)) 310 return; 311 312 callout_stop(&vd->vd_timer); 313 } 314 315 static void 316 vt_switch_timer(void *arg) 317 { 318 319 vt_late_window_switch((struct vt_window *)arg); 320 } 321 322 static int 323 vt_save_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 324 { 325 int mode, ret; 326 327 mode = 0; 328 ret = kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode); 329 if (ret == ENOIOCTL) 330 ret = ENODEV; 331 if (ret != 0) 332 return (ret); 333 334 vw->vw_kbdmode = mode; 335 336 return (0); 337 } 338 339 static int 340 vt_update_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 341 { 342 int ret; 343 344 ret = kbdd_ioctl(kbd, KDSKBMODE, (caddr_t)&vw->vw_kbdmode); 345 if (ret == ENOIOCTL) 346 ret = ENODEV; 347 348 return (ret); 349 } 350 351 static int 352 vt_save_kbd_state(struct vt_window *vw, keyboard_t *kbd) 353 { 354 int state, ret; 355 356 state = 0; 357 ret = kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state); 358 if (ret == ENOIOCTL) 359 ret = ENODEV; 360 if (ret != 0) 361 return (ret); 362 363 vw->vw_kbdstate &= ~LOCK_MASK; 364 vw->vw_kbdstate |= state & LOCK_MASK; 365 366 return (0); 367 } 368 369 static int 370 vt_update_kbd_state(struct vt_window *vw, keyboard_t *kbd) 371 { 372 int state, ret; 373 374 state = vw->vw_kbdstate & LOCK_MASK; 375 ret = kbdd_ioctl(kbd, KDSKBSTATE, (caddr_t)&state); 376 if (ret == ENOIOCTL) 377 ret = ENODEV; 378 379 return (ret); 380 } 381 382 static int 383 vt_save_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 384 { 385 int leds, ret; 386 387 leds = 0; 388 ret = kbdd_ioctl(kbd, KDGETLED, (caddr_t)&leds); 389 if (ret == ENOIOCTL) 390 ret = ENODEV; 391 if (ret != 0) 392 return (ret); 393 394 vw->vw_kbdstate &= ~LED_MASK; 395 vw->vw_kbdstate |= leds & LED_MASK; 396 397 return (0); 398 } 399 400 static int 401 vt_update_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 402 { 403 int leds, ret; 404 405 leds = vw->vw_kbdstate & LED_MASK; 406 ret = kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 407 if (ret == ENOIOCTL) 408 ret = ENODEV; 409 410 return (ret); 411 } 412 413 static int 414 vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw) 415 { 416 417 DPRINTF(40, "%s\n", __func__); 418 curvw->vw_switch_to = vw; 419 /* Set timer to allow switch in case when process hang. */ 420 callout_reset(&vw->vw_proc_dead_timer, hz * vt_deadtimer, 421 vt_switch_timer, (void *)vw); 422 /* Notify process about vt switch attempt. */ 423 DPRINTF(30, "%s: Notify process.\n", __func__); 424 signal_vt_rel(curvw); 425 426 return (0); 427 } 428 429 static int 430 vt_window_postswitch(struct vt_window *vw) 431 { 432 433 signal_vt_acq(vw); 434 return (0); 435 } 436 437 /* vt_late_window_switch will done VT switching for regular case. */ 438 static int 439 vt_late_window_switch(struct vt_window *vw) 440 { 441 int ret; 442 443 callout_stop(&vw->vw_proc_dead_timer); 444 445 ret = vt_window_switch(vw); 446 if (ret) 447 return (ret); 448 449 /* Notify owner process about terminal availability. */ 450 if (vw->vw_smode.mode == VT_PROCESS) { 451 ret = vt_window_postswitch(vw); 452 } 453 return (ret); 454 } 455 456 /* Switch window. */ 457 static int 458 vt_proc_window_switch(struct vt_window *vw) 459 { 460 struct vt_window *curvw; 461 struct vt_device *vd; 462 int ret; 463 464 /* Prevent switching to NULL */ 465 if (vw == NULL) { 466 DPRINTF(30, "%s: Cannot switch: vw is NULL.", __func__); 467 return (EINVAL); 468 } 469 vd = vw->vw_device; 470 curvw = vd->vd_curwindow; 471 472 /* Check if virtual terminal is locked */ 473 if (curvw->vw_flags & VWF_VTYLOCK) 474 return (EBUSY); 475 476 /* Check if switch already in progress */ 477 if (curvw->vw_flags & VWF_SWWAIT_REL) { 478 /* Check if switching to same window */ 479 if (curvw->vw_switch_to == vw) { 480 DPRINTF(30, "%s: Switch in progress to same vw.", __func__); 481 return (0); /* success */ 482 } 483 DPRINTF(30, "%s: Switch in progress to different vw.", __func__); 484 return (EBUSY); 485 } 486 487 /* Avoid switching to already selected window */ 488 if (vw == curvw) { 489 DPRINTF(30, "%s: Cannot switch: vw == curvw.", __func__); 490 return (0); /* success */ 491 } 492 493 /* Ask current process permission to switch away. */ 494 if (curvw->vw_smode.mode == VT_PROCESS) { 495 DPRINTF(30, "%s: VT_PROCESS ", __func__); 496 if (vt_proc_alive(curvw) == FALSE) { 497 DPRINTF(30, "Dead. Cleaning."); 498 /* Dead */ 499 } else { 500 DPRINTF(30, "%s: Signaling process.\n", __func__); 501 /* Alive, try to ask him. */ 502 ret = vt_window_preswitch(vw, curvw); 503 /* Wait for process answer or timeout. */ 504 return (ret); 505 } 506 DPRINTF(30, "\n"); 507 } 508 509 ret = vt_late_window_switch(vw); 510 return (ret); 511 } 512 513 /* Switch window ignoring process locking. */ 514 static int 515 vt_window_switch(struct vt_window *vw) 516 { 517 struct vt_device *vd = vw->vw_device; 518 struct vt_window *curvw = vd->vd_curwindow; 519 keyboard_t *kbd; 520 521 VT_LOCK(vd); 522 if (curvw == vw) { 523 /* Nothing to do. */ 524 VT_UNLOCK(vd); 525 return (0); 526 } 527 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) { 528 VT_UNLOCK(vd); 529 return (EINVAL); 530 } 531 532 vt_suspend_flush_timer(vd); 533 534 vd->vd_curwindow = vw; 535 vd->vd_flags |= VDF_INVALID; 536 cv_broadcast(&vd->vd_winswitch); 537 VT_UNLOCK(vd); 538 539 if (vd->vd_driver->vd_postswitch) 540 vd->vd_driver->vd_postswitch(vd); 541 542 vt_resume_flush_timer(vd, 0); 543 544 /* Restore per-window keyboard mode. */ 545 mtx_lock(&Giant); 546 kbd = kbd_get_keyboard(vd->vd_keyboard); 547 if (kbd != NULL) { 548 if (curvw->vw_kbdmode == K_XLATE) 549 vt_save_kbd_state(curvw, kbd); 550 551 vt_update_kbd_mode(vw, kbd); 552 vt_update_kbd_state(vw, kbd); 553 } 554 mtx_unlock(&Giant); 555 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number); 556 557 return (0); 558 } 559 560 void 561 vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size) 562 { 563 564 size->tp_row = vd->vd_height; 565 if (vt_draw_logo_cpus) 566 size->tp_row -= vt_logo_sprite_height; 567 size->tp_col = vd->vd_width; 568 if (vf != NULL) { 569 size->tp_row /= vf->vf_height; 570 size->tp_col /= vf->vf_width; 571 } 572 } 573 574 static inline void 575 vt_termrect(struct vt_device *vd, struct vt_font *vf, term_rect_t *rect) 576 { 577 578 rect->tr_begin.tp_row = rect->tr_begin.tp_col = 0; 579 if (vt_draw_logo_cpus) 580 rect->tr_begin.tp_row = vt_logo_sprite_height; 581 582 rect->tr_end.tp_row = vd->vd_height; 583 rect->tr_end.tp_col = vd->vd_width; 584 585 if (vf != NULL) { 586 rect->tr_begin.tp_row = 587 howmany(rect->tr_begin.tp_row, vf->vf_height); 588 589 rect->tr_end.tp_row /= vf->vf_height; 590 rect->tr_end.tp_col /= vf->vf_width; 591 } 592 } 593 594 void 595 vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size) 596 { 597 598 size->ws_ypixel = vd->vd_height; 599 if (vt_draw_logo_cpus) 600 size->ws_ypixel -= vt_logo_sprite_height; 601 size->ws_row = size->ws_ypixel; 602 size->ws_col = size->ws_xpixel = vd->vd_width; 603 if (vf != NULL) { 604 size->ws_row /= vf->vf_height; 605 size->ws_col /= vf->vf_width; 606 } 607 } 608 609 void 610 vt_compute_drawable_area(struct vt_window *vw) 611 { 612 struct vt_device *vd; 613 struct vt_font *vf; 614 vt_axis_t height; 615 616 vd = vw->vw_device; 617 618 if (vw->vw_font == NULL) { 619 vw->vw_draw_area.tr_begin.tp_col = 0; 620 vw->vw_draw_area.tr_begin.tp_row = 0; 621 if (vt_draw_logo_cpus) 622 vw->vw_draw_area.tr_begin.tp_row = vt_logo_sprite_height; 623 vw->vw_draw_area.tr_end.tp_col = vd->vd_width; 624 vw->vw_draw_area.tr_end.tp_row = vd->vd_height; 625 return; 626 } 627 628 vf = vw->vw_font; 629 630 /* 631 * Compute the drawable area, so that the text is centered on 632 * the screen. 633 */ 634 635 height = vd->vd_height; 636 if (vt_draw_logo_cpus) 637 height -= vt_logo_sprite_height; 638 vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2; 639 vw->vw_draw_area.tr_begin.tp_row = (height % vf->vf_height) / 2; 640 if (vt_draw_logo_cpus) 641 vw->vw_draw_area.tr_begin.tp_row += vt_logo_sprite_height; 642 vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col + 643 rounddown(vd->vd_width, vf->vf_width); 644 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row + 645 rounddown(height, vf->vf_height); 646 } 647 648 static void 649 vt_scroll(struct vt_window *vw, int offset, int whence) 650 { 651 int diff; 652 term_pos_t size; 653 654 if ((vw->vw_flags & VWF_SCROLL) == 0) 655 return; 656 657 vt_termsize(vw->vw_device, vw->vw_font, &size); 658 659 diff = vthistory_seek(&vw->vw_buf, offset, whence); 660 if (diff) 661 vw->vw_device->vd_flags |= VDF_INVALID; 662 vt_resume_flush_timer(vw->vw_device, 0); 663 } 664 665 static int 666 vt_machine_kbdevent(int c) 667 { 668 669 switch (c) { 670 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */ 671 if (vt_kbd_debug) 672 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger"); 673 return (1); 674 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */ 675 if (vt_kbd_halt) 676 shutdown_nice(RB_HALT); 677 return (1); 678 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */ 679 #ifndef SC_NO_CUTPASTE 680 /* Insert text from cut-paste buffer. */ 681 vt_mouse_paste(); 682 #endif 683 break; 684 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */ 685 if (vt_kbd_poweroff) 686 shutdown_nice(RB_HALT|RB_POWEROFF); 687 return (1); 688 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */ 689 /* 690 * Request to immediate panic if sysctl 691 * kern.vt.enable_panic_key allow it. 692 */ 693 if (vt_kbd_panic) 694 panic("Forced by the panic key"); 695 return (1); 696 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */ 697 if (vt_kbd_reboot) 698 shutdown_nice(RB_AUTOBOOT); 699 return (1); 700 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */ 701 /* Force activatation/deactivation of the screen saver. */ 702 /* TODO */ 703 return (1); 704 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */ 705 /* Put machine into Stand-By mode. */ 706 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 707 return (1); 708 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */ 709 /* Suspend machine. */ 710 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 711 return (1); 712 } 713 714 return (0); 715 } 716 717 static void 718 vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console) 719 { 720 struct vt_device *vd; 721 term_pos_t size; 722 723 vd = vw->vw_device; 724 /* Only special keys handled in ScrollLock mode */ 725 if ((c & SPCLKEY) == 0) 726 return; 727 728 c &= ~SPCLKEY; 729 730 if (console == 0) { 731 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 732 vw = vd->vd_windows[c - F_SCR]; 733 vt_proc_window_switch(vw); 734 return; 735 } 736 VT_LOCK(vd); 737 } 738 739 switch (c) { 740 case SLK: { 741 /* Turn scrolling off. */ 742 vt_scroll(vw, 0, VHS_END); 743 VTBUF_SLCK_DISABLE(&vw->vw_buf); 744 vw->vw_flags &= ~VWF_SCROLL; 745 break; 746 } 747 case FKEY | F(49): /* Home key. */ 748 vt_scroll(vw, 0, VHS_SET); 749 break; 750 case FKEY | F(50): /* Arrow up. */ 751 vt_scroll(vw, -1, VHS_CUR); 752 break; 753 case FKEY | F(51): /* Page up. */ 754 vt_termsize(vd, vw->vw_font, &size); 755 vt_scroll(vw, -size.tp_row, VHS_CUR); 756 break; 757 case FKEY | F(57): /* End key. */ 758 vt_scroll(vw, 0, VHS_END); 759 break; 760 case FKEY | F(58): /* Arrow down. */ 761 vt_scroll(vw, 1, VHS_CUR); 762 break; 763 case FKEY | F(59): /* Page down. */ 764 vt_termsize(vd, vw->vw_font, &size); 765 vt_scroll(vw, size.tp_row, VHS_CUR); 766 break; 767 } 768 769 if (console == 0) 770 VT_UNLOCK(vd); 771 } 772 773 static int 774 vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c) 775 { 776 struct vt_window *vw = vd->vd_curwindow; 777 778 random_harvest_queue(&c, sizeof(c), 1, RANDOM_KEYBOARD); 779 #if VT_ALT_TO_ESC_HACK 780 if (c & RELKEY) { 781 switch (c & ~RELKEY) { 782 case (SPCLKEY | RALT): 783 if (vt_enable_altgr != 0) 784 break; 785 case (SPCLKEY | LALT): 786 vd->vd_kbstate &= ~ALKED; 787 } 788 /* Other keys ignored for RELKEY event. */ 789 return (0); 790 } else { 791 switch (c & ~RELKEY) { 792 case (SPCLKEY | RALT): 793 if (vt_enable_altgr != 0) 794 break; 795 case (SPCLKEY | LALT): 796 vd->vd_kbstate |= ALKED; 797 } 798 } 799 #else 800 if (c & RELKEY) 801 /* Other keys ignored for RELKEY event. */ 802 return (0); 803 #endif 804 805 if (vt_machine_kbdevent(c)) 806 return (0); 807 808 if (vw->vw_flags & VWF_SCROLL) { 809 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */); 810 /* Scroll mode keys handled, nothing to do more. */ 811 return (0); 812 } 813 814 if (c & SPCLKEY) { 815 c &= ~SPCLKEY; 816 817 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 818 vw = vd->vd_windows[c - F_SCR]; 819 vt_proc_window_switch(vw); 820 return (0); 821 } 822 823 switch (c) { 824 case NEXT: 825 /* Switch to next VT. */ 826 c = (vw->vw_number + 1) % VT_MAXWINDOWS; 827 vw = vd->vd_windows[c]; 828 vt_proc_window_switch(vw); 829 return (0); 830 case PREV: 831 /* Switch to previous VT. */ 832 c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS; 833 vw = vd->vd_windows[c]; 834 vt_proc_window_switch(vw); 835 return (0); 836 case SLK: { 837 vt_save_kbd_state(vw, kbd); 838 VT_LOCK(vd); 839 if (vw->vw_kbdstate & SLKED) { 840 /* Turn scrolling on. */ 841 vw->vw_flags |= VWF_SCROLL; 842 VTBUF_SLCK_ENABLE(&vw->vw_buf); 843 } else { 844 /* Turn scrolling off. */ 845 vw->vw_flags &= ~VWF_SCROLL; 846 VTBUF_SLCK_DISABLE(&vw->vw_buf); 847 vt_scroll(vw, 0, VHS_END); 848 } 849 VT_UNLOCK(vd); 850 break; 851 } 852 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3): 853 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6): 854 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9): 855 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12): 856 /* F1 through F12 keys. */ 857 terminal_input_special(vw->vw_terminal, 858 TKEY_F1 + c - (FKEY | F(1))); 859 break; 860 case FKEY | F(49): /* Home key. */ 861 terminal_input_special(vw->vw_terminal, TKEY_HOME); 862 break; 863 case FKEY | F(50): /* Arrow up. */ 864 terminal_input_special(vw->vw_terminal, TKEY_UP); 865 break; 866 case FKEY | F(51): /* Page up. */ 867 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP); 868 break; 869 case FKEY | F(53): /* Arrow left. */ 870 terminal_input_special(vw->vw_terminal, TKEY_LEFT); 871 break; 872 case FKEY | F(55): /* Arrow right. */ 873 terminal_input_special(vw->vw_terminal, TKEY_RIGHT); 874 break; 875 case FKEY | F(57): /* End key. */ 876 terminal_input_special(vw->vw_terminal, TKEY_END); 877 break; 878 case FKEY | F(58): /* Arrow down. */ 879 terminal_input_special(vw->vw_terminal, TKEY_DOWN); 880 break; 881 case FKEY | F(59): /* Page down. */ 882 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN); 883 break; 884 case FKEY | F(60): /* Insert key. */ 885 terminal_input_special(vw->vw_terminal, TKEY_INSERT); 886 break; 887 case FKEY | F(61): /* Delete key. */ 888 terminal_input_special(vw->vw_terminal, TKEY_DELETE); 889 break; 890 } 891 } else if (KEYFLAGS(c) == 0) { 892 /* Don't do UTF-8 conversion when doing raw mode. */ 893 if (vw->vw_kbdmode == K_XLATE) { 894 #if VT_ALT_TO_ESC_HACK 895 if (vd->vd_kbstate & ALKED) { 896 /* 897 * Prepend ESC sequence if one of ALT keys down. 898 */ 899 terminal_input_char(vw->vw_terminal, 0x1b); 900 } 901 #endif 902 #if defined(KDB) 903 kdb_alt_break(c, &vd->vd_altbrk); 904 #endif 905 terminal_input_char(vw->vw_terminal, KEYCHAR(c)); 906 } else 907 terminal_input_raw(vw->vw_terminal, c); 908 } 909 return (0); 910 } 911 912 static int 913 vt_kbdevent(keyboard_t *kbd, int event, void *arg) 914 { 915 struct vt_device *vd = arg; 916 int c; 917 918 switch (event) { 919 case KBDIO_KEYINPUT: 920 break; 921 case KBDIO_UNLOADING: 922 mtx_lock(&Giant); 923 vd->vd_keyboard = -1; 924 kbd_release(kbd, (void *)vd); 925 mtx_unlock(&Giant); 926 return (0); 927 default: 928 return (EINVAL); 929 } 930 931 while ((c = kbdd_read_char(kbd, 0)) != NOKEY) 932 vt_processkey(kbd, vd, c); 933 934 return (0); 935 } 936 937 static int 938 vt_allocate_keyboard(struct vt_device *vd) 939 { 940 int idx0, idx; 941 keyboard_t *k0, *k; 942 keyboard_info_t ki; 943 944 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd); 945 if (idx0 >= 0) { 946 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0); 947 k0 = kbd_get_keyboard(idx0); 948 949 for (idx = kbd_find_keyboard2("*", -1, 0); 950 idx != -1; 951 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 952 k = kbd_get_keyboard(idx); 953 954 if (idx == idx0 || KBD_IS_BUSY(k)) 955 continue; 956 957 bzero(&ki, sizeof(ki)); 958 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name)); 959 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0'; 960 ki.kb_unit = k->kb_unit; 961 962 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 963 } 964 } else { 965 DPRINTF(20, "%s: no kbdmux allocated\n", __func__); 966 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd); 967 if (idx0 < 0) { 968 DPRINTF(10, "%s: No keyboard found.\n", __func__); 969 return (-1); 970 } 971 } 972 vd->vd_keyboard = idx0; 973 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard); 974 975 return (idx0); 976 } 977 978 static void 979 vtterm_bell(struct terminal *tm) 980 { 981 struct vt_window *vw = tm->tm_softc; 982 struct vt_device *vd = vw->vw_device; 983 984 if (!vt_enable_bell) 985 return; 986 987 if (vd->vd_flags & VDF_QUIET_BELL) 988 return; 989 990 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION); 991 } 992 993 static void 994 vtterm_beep(struct terminal *tm, u_int param) 995 { 996 u_int freq, period; 997 998 if (!vt_enable_bell) 999 return; 1000 1001 if ((param == 0) || ((param & 0xffff) == 0)) { 1002 vtterm_bell(tm); 1003 return; 1004 } 1005 1006 period = ((param >> 16) & 0xffff) * hz / 1000; 1007 freq = 1193182 / (param & 0xffff); 1008 1009 sysbeep(freq, period); 1010 } 1011 1012 static void 1013 vtterm_cursor(struct terminal *tm, const term_pos_t *p) 1014 { 1015 struct vt_window *vw = tm->tm_softc; 1016 1017 vtbuf_cursor_position(&vw->vw_buf, p); 1018 vt_resume_flush_timer(vw->vw_device, 0); 1019 } 1020 1021 static void 1022 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c) 1023 { 1024 struct vt_window *vw = tm->tm_softc; 1025 1026 vtbuf_putchar(&vw->vw_buf, p, c); 1027 vt_resume_flush_timer(vw->vw_device, 0); 1028 } 1029 1030 static void 1031 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c) 1032 { 1033 struct vt_window *vw = tm->tm_softc; 1034 1035 vtbuf_fill_locked(&vw->vw_buf, r, c); 1036 vt_resume_flush_timer(vw->vw_device, 0); 1037 } 1038 1039 static void 1040 vtterm_copy(struct terminal *tm, const term_rect_t *r, 1041 const term_pos_t *p) 1042 { 1043 struct vt_window *vw = tm->tm_softc; 1044 1045 vtbuf_copy(&vw->vw_buf, r, p); 1046 vt_resume_flush_timer(vw->vw_device, 0); 1047 } 1048 1049 static void 1050 vtterm_param(struct terminal *tm, int cmd, unsigned int arg) 1051 { 1052 struct vt_window *vw = tm->tm_softc; 1053 1054 switch (cmd) { 1055 case TP_SETLOCALCURSOR: 1056 /* 1057 * 0 means normal (usually block), 1 means hidden, and 1058 * 2 means blinking (always block) for compatibility with 1059 * syscons. We don't support any changes except hiding, 1060 * so must map 2 to 0. 1061 */ 1062 arg = (arg == 1) ? 0 : 1; 1063 /* FALLTHROUGH */ 1064 case TP_SHOWCURSOR: 1065 vtbuf_cursor_visibility(&vw->vw_buf, arg); 1066 vt_resume_flush_timer(vw->vw_device, 0); 1067 break; 1068 case TP_MOUSE: 1069 vw->vw_mouse_level = arg; 1070 break; 1071 } 1072 } 1073 1074 void 1075 vt_determine_colors(term_char_t c, int cursor, 1076 term_color_t *fg, term_color_t *bg) 1077 { 1078 term_color_t tmp; 1079 int invert; 1080 1081 invert = 0; 1082 1083 *fg = TCHAR_FGCOLOR(c); 1084 if (TCHAR_FORMAT(c) & TF_BOLD) 1085 *fg = TCOLOR_LIGHT(*fg); 1086 *bg = TCHAR_BGCOLOR(c); 1087 if (TCHAR_FORMAT(c) & TF_BLINK) 1088 *bg = TCOLOR_LIGHT(*bg); 1089 1090 if (TCHAR_FORMAT(c) & TF_REVERSE) 1091 invert ^= 1; 1092 if (cursor) 1093 invert ^= 1; 1094 1095 if (invert) { 1096 tmp = *fg; 1097 *fg = *bg; 1098 *bg = tmp; 1099 } 1100 } 1101 1102 #ifndef SC_NO_CUTPASTE 1103 int 1104 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area) 1105 { 1106 unsigned int mx, my; 1107 1108 /* 1109 * We use the cursor position saved during the current refresh, 1110 * in case the cursor moved since. 1111 */ 1112 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col; 1113 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row; 1114 1115 if (mx >= area->tr_end.tp_col || 1116 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col || 1117 my >= area->tr_end.tp_row || 1118 my + vd->vd_mcursor->height <= area->tr_begin.tp_row) 1119 return (0); 1120 return (1); 1121 } 1122 1123 static void 1124 vt_mark_mouse_position_as_dirty(struct vt_device *vd) 1125 { 1126 term_rect_t area; 1127 struct vt_window *vw; 1128 struct vt_font *vf; 1129 int x, y; 1130 1131 vw = vd->vd_curwindow; 1132 vf = vw->vw_font; 1133 1134 x = vd->vd_mx_drawn; 1135 y = vd->vd_my_drawn; 1136 1137 if (vf != NULL) { 1138 area.tr_begin.tp_col = x / vf->vf_width; 1139 area.tr_begin.tp_row = y / vf->vf_height; 1140 area.tr_end.tp_col = 1141 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1; 1142 area.tr_end.tp_row = 1143 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1; 1144 } else { 1145 /* 1146 * No font loaded (ie. vt_vga operating in textmode). 1147 * 1148 * FIXME: This fake area needs to be revisited once the 1149 * mouse cursor is supported in vt_vga's textmode. 1150 */ 1151 area.tr_begin.tp_col = x; 1152 area.tr_begin.tp_row = y; 1153 area.tr_end.tp_col = x + 2; 1154 area.tr_end.tp_row = y + 2; 1155 } 1156 1157 vtbuf_dirty(&vw->vw_buf, &area); 1158 } 1159 #endif 1160 1161 static void 1162 vt_set_border(struct vt_device *vd, const term_rect_t *area, 1163 const term_color_t c) 1164 { 1165 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect; 1166 1167 if (drawrect == NULL) 1168 return; 1169 1170 /* Top bar */ 1171 if (area->tr_begin.tp_row > 0) 1172 drawrect(vd, 0, 0, vd->vd_width - 1, 1173 area->tr_begin.tp_row - 1, 1, c); 1174 1175 /* Left bar */ 1176 if (area->tr_begin.tp_col > 0) 1177 drawrect(vd, 0, area->tr_begin.tp_row, 1178 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c); 1179 1180 /* Right bar */ 1181 if (area->tr_end.tp_col < vd->vd_width) 1182 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row, 1183 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c); 1184 1185 /* Bottom bar */ 1186 if (area->tr_end.tp_row < vd->vd_height) 1187 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1, 1188 vd->vd_height - 1, 1, c); 1189 } 1190 1191 static int 1192 vt_flush(struct vt_device *vd) 1193 { 1194 struct vt_window *vw; 1195 struct vt_font *vf; 1196 term_rect_t tarea; 1197 #ifndef SC_NO_CUTPASTE 1198 int cursor_was_shown, cursor_moved; 1199 #endif 1200 1201 vw = vd->vd_curwindow; 1202 if (vw == NULL) 1203 return (0); 1204 1205 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY) 1206 return (0); 1207 1208 vf = vw->vw_font; 1209 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL)) 1210 return (0); 1211 1212 #ifndef SC_NO_CUTPASTE 1213 cursor_was_shown = vd->vd_mshown; 1214 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn || 1215 vd->vd_my != vd->vd_my_drawn); 1216 1217 /* Check if the cursor should be displayed or not. */ 1218 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */ 1219 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */ 1220 !kdb_active && panicstr == NULL) { /* DDB inactive. */ 1221 vd->vd_mshown = 1; 1222 } else { 1223 vd->vd_mshown = 0; 1224 } 1225 1226 /* 1227 * If the cursor changed display state or moved, we must mark 1228 * the old position as dirty, so that it's erased. 1229 */ 1230 if (cursor_was_shown != vd->vd_mshown || 1231 (vd->vd_mshown && cursor_moved)) 1232 vt_mark_mouse_position_as_dirty(vd); 1233 1234 /* 1235 * Save position of the mouse cursor. It's used by backends to 1236 * know where to draw the cursor and during the next refresh to 1237 * erase the previous position. 1238 */ 1239 vd->vd_mx_drawn = vd->vd_mx; 1240 vd->vd_my_drawn = vd->vd_my; 1241 1242 /* 1243 * If the cursor is displayed and has moved since last refresh, 1244 * mark the new position as dirty. 1245 */ 1246 if (vd->vd_mshown && cursor_moved) 1247 vt_mark_mouse_position_as_dirty(vd); 1248 #endif 1249 1250 vtbuf_undirty(&vw->vw_buf, &tarea); 1251 1252 /* Force a full redraw when the screen contents are invalid. */ 1253 if (vd->vd_flags & VDF_INVALID) { 1254 vd->vd_flags &= ~VDF_INVALID; 1255 1256 vt_set_border(vd, &vw->vw_draw_area, TC_BLACK); 1257 vt_termrect(vd, vf, &tarea); 1258 if (vt_draw_logo_cpus) 1259 vtterm_draw_cpu_logos(vd); 1260 } 1261 1262 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) { 1263 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea); 1264 return (1); 1265 } 1266 1267 return (0); 1268 } 1269 1270 static void 1271 vt_timer(void *arg) 1272 { 1273 struct vt_device *vd; 1274 int changed; 1275 1276 vd = arg; 1277 /* Update screen if required. */ 1278 changed = vt_flush(vd); 1279 1280 /* Schedule for next update. */ 1281 if (changed) 1282 vt_schedule_flush(vd, 0); 1283 else 1284 vd->vd_timer_armed = 0; 1285 } 1286 1287 static void 1288 vtterm_done(struct terminal *tm) 1289 { 1290 struct vt_window *vw = tm->tm_softc; 1291 struct vt_device *vd = vw->vw_device; 1292 1293 if (kdb_active || panicstr != NULL) { 1294 /* Switch to the debugger. */ 1295 if (vd->vd_curwindow != vw) { 1296 vd->vd_curwindow = vw; 1297 vd->vd_flags |= VDF_INVALID; 1298 if (vd->vd_driver->vd_postswitch) 1299 vd->vd_driver->vd_postswitch(vd); 1300 } 1301 vd->vd_flags &= ~VDF_SPLASH; 1302 vt_flush(vd); 1303 } else if (!(vd->vd_flags & VDF_ASYNC)) { 1304 vt_flush(vd); 1305 } 1306 } 1307 1308 #ifdef DEV_SPLASH 1309 static void 1310 vtterm_splash(struct vt_device *vd) 1311 { 1312 vt_axis_t top, left; 1313 1314 /* Display a nice boot splash. */ 1315 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) { 1316 1317 top = (vd->vd_height - vt_logo_height) / 2; 1318 left = (vd->vd_width - vt_logo_width) / 2; 1319 switch (vt_logo_depth) { 1320 case 1: 1321 /* XXX: Unhardcode colors! */ 1322 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow, 1323 vt_logo_image, NULL, vt_logo_width, vt_logo_height, 1324 left, top, TC_WHITE, TC_BLACK); 1325 } 1326 vd->vd_flags |= VDF_SPLASH; 1327 } 1328 } 1329 #endif 1330 1331 1332 static void 1333 vtterm_cnprobe(struct terminal *tm, struct consdev *cp) 1334 { 1335 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL; 1336 struct vt_window *vw = tm->tm_softc; 1337 struct vt_device *vd = vw->vw_device; 1338 struct winsize wsz; 1339 term_attr_t attr; 1340 term_char_t c; 1341 1342 if (!vty_enabled(VTY_VT)) 1343 return; 1344 1345 if (vd->vd_flags & VDF_INITIALIZED) 1346 /* Initialization already done. */ 1347 return; 1348 1349 SET_FOREACH(vtdlist, vt_drv_set) { 1350 vtd = *vtdlist; 1351 if (vtd->vd_probe == NULL) 1352 continue; 1353 if (vtd->vd_probe(vd) == CN_DEAD) 1354 continue; 1355 if ((vtdbest == NULL) || 1356 (vtd->vd_priority > vtdbest->vd_priority)) 1357 vtdbest = vtd; 1358 } 1359 if (vtdbest == NULL) { 1360 cp->cn_pri = CN_DEAD; 1361 vd->vd_flags |= VDF_DEAD; 1362 } else { 1363 vd->vd_driver = vtdbest; 1364 cp->cn_pri = vd->vd_driver->vd_init(vd); 1365 } 1366 1367 /* Check if driver's vt_init return CN_DEAD. */ 1368 if (cp->cn_pri == CN_DEAD) { 1369 vd->vd_flags |= VDF_DEAD; 1370 } 1371 1372 /* Initialize any early-boot keyboard drivers */ 1373 kbd_configure(KB_CONF_PROBE_ONLY); 1374 1375 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1); 1376 vd->vd_windows[VT_CONSWINDOW] = vw; 1377 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw)); 1378 1379 /* Attach default font if not in TEXTMODE. */ 1380 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 1381 vw->vw_font = vtfont_ref(&vt_font_default); 1382 vt_compute_drawable_area(vw); 1383 } 1384 1385 /* 1386 * The original screen size was faked (_VTDEFW x _VTDEFH). Now 1387 * that we have the real viewable size, fix it in the static 1388 * buffer. 1389 */ 1390 if (vd->vd_width != 0 && vd->vd_height != 0) 1391 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size); 1392 1393 vtbuf_init_early(&vw->vw_buf); 1394 vt_winsize(vd, vw->vw_font, &wsz); 1395 c = (boothowto & RB_MUTE) == 0 ? TERMINAL_KERN_ATTR : 1396 TERMINAL_NORM_ATTR; 1397 attr.ta_format = TCHAR_FORMAT(c); 1398 attr.ta_fgcolor = TCHAR_FGCOLOR(c); 1399 attr.ta_bgcolor = TCHAR_BGCOLOR(c); 1400 terminal_set_winsize_blank(tm, &wsz, 1, &attr); 1401 1402 if (vtdbest != NULL) { 1403 #ifdef DEV_SPLASH 1404 if (!vt_splash_cpu) 1405 vtterm_splash(vd); 1406 #endif 1407 vd->vd_flags |= VDF_INITIALIZED; 1408 } 1409 } 1410 1411 static int 1412 vtterm_cngetc(struct terminal *tm) 1413 { 1414 struct vt_window *vw = tm->tm_softc; 1415 struct vt_device *vd = vw->vw_device; 1416 keyboard_t *kbd; 1417 u_int c; 1418 1419 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1420 return (*vw->vw_kbdsq++); 1421 1422 /* Make sure the splash screen is not there. */ 1423 if (vd->vd_flags & VDF_SPLASH) { 1424 /* Remove splash */ 1425 vd->vd_flags &= ~VDF_SPLASH; 1426 /* Mark screen as invalid to force update */ 1427 vd->vd_flags |= VDF_INVALID; 1428 vt_flush(vd); 1429 } 1430 1431 /* Stripped down keyboard handler. */ 1432 kbd = kbd_get_keyboard(vd->vd_keyboard); 1433 if (kbd == NULL) 1434 return (-1); 1435 1436 /* Force keyboard input mode to K_XLATE */ 1437 vw->vw_kbdmode = K_XLATE; 1438 vt_update_kbd_mode(vw, kbd); 1439 1440 /* Switch the keyboard to polling to make it work here. */ 1441 kbdd_poll(kbd, TRUE); 1442 c = kbdd_read_char(kbd, 0); 1443 kbdd_poll(kbd, FALSE); 1444 if (c & RELKEY) 1445 return (-1); 1446 1447 if (vw->vw_flags & VWF_SCROLL) { 1448 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */); 1449 vt_flush(vd); 1450 return (-1); 1451 } 1452 1453 /* Stripped down handling of vt_kbdevent(), without locking, etc. */ 1454 if (c & SPCLKEY) { 1455 switch (c) { 1456 case SPCLKEY | SLK: 1457 vt_save_kbd_state(vw, kbd); 1458 if (vw->vw_kbdstate & SLKED) { 1459 /* Turn scrolling on. */ 1460 vw->vw_flags |= VWF_SCROLL; 1461 VTBUF_SLCK_ENABLE(&vw->vw_buf); 1462 } else { 1463 /* Turn scrolling off. */ 1464 vt_scroll(vw, 0, VHS_END); 1465 vw->vw_flags &= ~VWF_SCROLL; 1466 VTBUF_SLCK_DISABLE(&vw->vw_buf); 1467 } 1468 break; 1469 /* XXX: KDB can handle history. */ 1470 case SPCLKEY | FKEY | F(50): /* Arrow up. */ 1471 vw->vw_kbdsq = "\x1b[A"; 1472 break; 1473 case SPCLKEY | FKEY | F(58): /* Arrow down. */ 1474 vw->vw_kbdsq = "\x1b[B"; 1475 break; 1476 case SPCLKEY | FKEY | F(55): /* Arrow right. */ 1477 vw->vw_kbdsq = "\x1b[C"; 1478 break; 1479 case SPCLKEY | FKEY | F(53): /* Arrow left. */ 1480 vw->vw_kbdsq = "\x1b[D"; 1481 break; 1482 } 1483 1484 /* Force refresh to make scrollback work. */ 1485 vt_flush(vd); 1486 } else if (KEYFLAGS(c) == 0) { 1487 return (KEYCHAR(c)); 1488 } 1489 1490 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1491 return (*vw->vw_kbdsq++); 1492 1493 return (-1); 1494 } 1495 1496 static void 1497 vtterm_cngrab(struct terminal *tm) 1498 { 1499 struct vt_device *vd; 1500 struct vt_window *vw; 1501 keyboard_t *kbd; 1502 1503 vw = tm->tm_softc; 1504 vd = vw->vw_device; 1505 1506 if (!cold) 1507 vt_window_switch(vw); 1508 1509 kbd = kbd_get_keyboard(vd->vd_keyboard); 1510 if (kbd == NULL) 1511 return; 1512 1513 if (vw->vw_grabbed++ > 0) 1514 return; 1515 1516 /* 1517 * Make sure the keyboard is accessible even when the kbd device 1518 * driver is disabled. 1519 */ 1520 kbdd_enable(kbd); 1521 1522 /* We shall always use the keyboard in the XLATE mode here. */ 1523 vw->vw_prev_kbdmode = vw->vw_kbdmode; 1524 vw->vw_kbdmode = K_XLATE; 1525 vt_update_kbd_mode(vw, kbd); 1526 1527 kbdd_poll(kbd, TRUE); 1528 } 1529 1530 static void 1531 vtterm_cnungrab(struct terminal *tm) 1532 { 1533 struct vt_device *vd; 1534 struct vt_window *vw; 1535 keyboard_t *kbd; 1536 1537 vw = tm->tm_softc; 1538 vd = vw->vw_device; 1539 1540 kbd = kbd_get_keyboard(vd->vd_keyboard); 1541 if (kbd == NULL) 1542 return; 1543 1544 if (--vw->vw_grabbed > 0) 1545 return; 1546 1547 kbdd_poll(kbd, FALSE); 1548 1549 vw->vw_kbdmode = vw->vw_prev_kbdmode; 1550 vt_update_kbd_mode(vw, kbd); 1551 kbdd_disable(kbd); 1552 } 1553 1554 static void 1555 vtterm_opened(struct terminal *tm, int opened) 1556 { 1557 struct vt_window *vw = tm->tm_softc; 1558 struct vt_device *vd = vw->vw_device; 1559 1560 VT_LOCK(vd); 1561 vd->vd_flags &= ~VDF_SPLASH; 1562 if (opened) 1563 vw->vw_flags |= VWF_OPENED; 1564 else { 1565 vw->vw_flags &= ~VWF_OPENED; 1566 /* TODO: finish ACQ/REL */ 1567 } 1568 VT_UNLOCK(vd); 1569 } 1570 1571 static int 1572 vt_change_font(struct vt_window *vw, struct vt_font *vf) 1573 { 1574 struct vt_device *vd = vw->vw_device; 1575 struct terminal *tm = vw->vw_terminal; 1576 term_pos_t size; 1577 struct winsize wsz; 1578 1579 /* 1580 * Changing fonts. 1581 * 1582 * Changing fonts is a little tricky. We must prevent 1583 * simultaneous access to the device, so we must stop 1584 * the display timer and the terminal from accessing. 1585 * We need to switch fonts and grow our screen buffer. 1586 * 1587 * XXX: Right now the code uses terminal_mute() to 1588 * prevent data from reaching the console driver while 1589 * resizing the screen buffer. This isn't elegant... 1590 */ 1591 1592 VT_LOCK(vd); 1593 if (vw->vw_flags & VWF_BUSY) { 1594 /* Another process is changing the font. */ 1595 VT_UNLOCK(vd); 1596 return (EBUSY); 1597 } 1598 vw->vw_flags |= VWF_BUSY; 1599 VT_UNLOCK(vd); 1600 1601 vt_termsize(vd, vf, &size); 1602 vt_winsize(vd, vf, &wsz); 1603 1604 /* Grow the screen buffer and terminal. */ 1605 terminal_mute(tm, 1); 1606 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 1607 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 1608 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 1609 terminal_mute(tm, 0); 1610 1611 /* Actually apply the font to the current window. */ 1612 VT_LOCK(vd); 1613 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) { 1614 /* 1615 * In case vt_change_font called to update size we don't need 1616 * to update font link. 1617 */ 1618 vtfont_unref(vw->vw_font); 1619 vw->vw_font = vtfont_ref(vf); 1620 } 1621 1622 /* 1623 * Compute the drawable area and move the mouse cursor inside 1624 * it, in case the new area is smaller than the previous one. 1625 */ 1626 vt_compute_drawable_area(vw); 1627 vd->vd_mx = min(vd->vd_mx, 1628 vw->vw_draw_area.tr_end.tp_col - 1629 vw->vw_draw_area.tr_begin.tp_col - 1); 1630 vd->vd_my = min(vd->vd_my, 1631 vw->vw_draw_area.tr_end.tp_row - 1632 vw->vw_draw_area.tr_begin.tp_row - 1); 1633 1634 /* Force a full redraw the next timer tick. */ 1635 if (vd->vd_curwindow == vw) { 1636 vd->vd_flags |= VDF_INVALID; 1637 vt_resume_flush_timer(vw->vw_device, 0); 1638 } 1639 vw->vw_flags &= ~VWF_BUSY; 1640 VT_UNLOCK(vd); 1641 return (0); 1642 } 1643 1644 static int 1645 vt_proc_alive(struct vt_window *vw) 1646 { 1647 struct proc *p; 1648 1649 if (vw->vw_smode.mode != VT_PROCESS) 1650 return (FALSE); 1651 1652 if (vw->vw_proc) { 1653 if ((p = pfind(vw->vw_pid)) != NULL) 1654 PROC_UNLOCK(p); 1655 if (vw->vw_proc == p) 1656 return (TRUE); 1657 vw->vw_proc = NULL; 1658 vw->vw_smode.mode = VT_AUTO; 1659 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid); 1660 vw->vw_pid = 0; 1661 } 1662 return (FALSE); 1663 } 1664 1665 static int 1666 signal_vt_rel(struct vt_window *vw) 1667 { 1668 1669 if (vw->vw_smode.mode != VT_PROCESS) 1670 return (FALSE); 1671 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1672 vw->vw_proc = NULL; 1673 vw->vw_pid = 0; 1674 return (TRUE); 1675 } 1676 vw->vw_flags |= VWF_SWWAIT_REL; 1677 PROC_LOCK(vw->vw_proc); 1678 kern_psignal(vw->vw_proc, vw->vw_smode.relsig); 1679 PROC_UNLOCK(vw->vw_proc); 1680 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid); 1681 return (TRUE); 1682 } 1683 1684 static int 1685 signal_vt_acq(struct vt_window *vw) 1686 { 1687 1688 if (vw->vw_smode.mode != VT_PROCESS) 1689 return (FALSE); 1690 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 1691 cnavailable(vw->vw_terminal->consdev, FALSE); 1692 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1693 vw->vw_proc = NULL; 1694 vw->vw_pid = 0; 1695 return (TRUE); 1696 } 1697 vw->vw_flags |= VWF_SWWAIT_ACQ; 1698 PROC_LOCK(vw->vw_proc); 1699 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig); 1700 PROC_UNLOCK(vw->vw_proc); 1701 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid); 1702 return (TRUE); 1703 } 1704 1705 static int 1706 finish_vt_rel(struct vt_window *vw, int release, int *s) 1707 { 1708 1709 if (vw->vw_flags & VWF_SWWAIT_REL) { 1710 vw->vw_flags &= ~VWF_SWWAIT_REL; 1711 if (release) { 1712 callout_drain(&vw->vw_proc_dead_timer); 1713 vt_late_window_switch(vw->vw_switch_to); 1714 } 1715 return (0); 1716 } 1717 return (EINVAL); 1718 } 1719 1720 static int 1721 finish_vt_acq(struct vt_window *vw) 1722 { 1723 1724 if (vw->vw_flags & VWF_SWWAIT_ACQ) { 1725 vw->vw_flags &= ~VWF_SWWAIT_ACQ; 1726 return (0); 1727 } 1728 return (EINVAL); 1729 } 1730 1731 #ifndef SC_NO_CUTPASTE 1732 static void 1733 vt_mouse_terminput_button(struct vt_device *vd, int button) 1734 { 1735 struct vt_window *vw; 1736 struct vt_font *vf; 1737 char mouseb[6] = "\x1B[M"; 1738 int i, x, y; 1739 1740 vw = vd->vd_curwindow; 1741 vf = vw->vw_font; 1742 1743 /* Translate to char position. */ 1744 x = vd->vd_mx / vf->vf_width; 1745 y = vd->vd_my / vf->vf_height; 1746 /* Avoid overflow. */ 1747 x = MIN(x, 255 - '!'); 1748 y = MIN(y, 255 - '!'); 1749 1750 mouseb[3] = ' ' + button; 1751 mouseb[4] = '!' + x; 1752 mouseb[5] = '!' + y; 1753 1754 for (i = 0; i < sizeof(mouseb); i++) 1755 terminal_input_char(vw->vw_terminal, mouseb[i]); 1756 } 1757 1758 static void 1759 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event, 1760 int cnt) 1761 { 1762 1763 switch (type) { 1764 case MOUSE_BUTTON_EVENT: 1765 if (cnt > 0) { 1766 /* Mouse button pressed. */ 1767 if (event & MOUSE_BUTTON1DOWN) 1768 vt_mouse_terminput_button(vd, 0); 1769 if (event & MOUSE_BUTTON2DOWN) 1770 vt_mouse_terminput_button(vd, 1); 1771 if (event & MOUSE_BUTTON3DOWN) 1772 vt_mouse_terminput_button(vd, 2); 1773 } else { 1774 /* Mouse button released. */ 1775 vt_mouse_terminput_button(vd, 3); 1776 } 1777 break; 1778 #ifdef notyet 1779 case MOUSE_MOTION_EVENT: 1780 if (mouse->u.data.z < 0) { 1781 /* Scroll up. */ 1782 sc_mouse_input_button(vd, 64); 1783 } else if (mouse->u.data.z > 0) { 1784 /* Scroll down. */ 1785 sc_mouse_input_button(vd, 65); 1786 } 1787 break; 1788 #endif 1789 } 1790 } 1791 1792 static void 1793 vt_mouse_paste() 1794 { 1795 term_char_t *buf; 1796 int i, len; 1797 1798 len = VD_PASTEBUFLEN(main_vd); 1799 buf = VD_PASTEBUF(main_vd); 1800 len /= sizeof(term_char_t); 1801 for (i = 0; i < len; i++) { 1802 if (buf[i] == '\0') 1803 continue; 1804 terminal_input_char(main_vd->vd_curwindow->vw_terminal, 1805 buf[i]); 1806 } 1807 } 1808 1809 void 1810 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel) 1811 { 1812 struct vt_device *vd; 1813 struct vt_window *vw; 1814 struct vt_font *vf; 1815 term_pos_t size; 1816 int len, mark; 1817 1818 vd = main_vd; 1819 vw = vd->vd_curwindow; 1820 vf = vw->vw_font; 1821 mark = 0; 1822 1823 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS)) 1824 /* 1825 * Either the mouse is disabled, or the window is in 1826 * "graphics mode". The graphics mode is usually set by 1827 * an X server, using the KDSETMODE ioctl. 1828 */ 1829 return; 1830 1831 if (vf == NULL) /* Text mode. */ 1832 return; 1833 1834 /* 1835 * TODO: add flag about pointer position changed, to not redraw chars 1836 * under mouse pointer when nothing changed. 1837 */ 1838 1839 if (vw->vw_mouse_level > 0) 1840 vt_mouse_terminput(vd, type, x, y, event, cnt); 1841 1842 switch (type) { 1843 case MOUSE_ACTION: 1844 case MOUSE_MOTION_EVENT: 1845 /* Movement */ 1846 x += vd->vd_mx; 1847 y += vd->vd_my; 1848 1849 vt_termsize(vd, vf, &size); 1850 1851 /* Apply limits. */ 1852 x = MAX(x, 0); 1853 y = MAX(y, 0); 1854 x = MIN(x, (size.tp_col * vf->vf_width) - 1); 1855 y = MIN(y, (size.tp_row * vf->vf_height) - 1); 1856 1857 vd->vd_mx = x; 1858 vd->vd_my = y; 1859 if (vd->vd_mstate & MOUSE_BUTTON1DOWN) 1860 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE, 1861 vd->vd_mx / vf->vf_width, 1862 vd->vd_my / vf->vf_height); 1863 1864 vt_resume_flush_timer(vw->vw_device, 0); 1865 return; /* Done */ 1866 case MOUSE_BUTTON_EVENT: 1867 /* Buttons */ 1868 break; 1869 default: 1870 return; /* Done */ 1871 } 1872 1873 switch (event) { 1874 case MOUSE_BUTTON1DOWN: 1875 switch (cnt % 4) { 1876 case 0: /* up */ 1877 mark = VTB_MARK_END; 1878 break; 1879 case 1: /* single click: start cut operation */ 1880 mark = VTB_MARK_START; 1881 break; 1882 case 2: /* double click: cut a word */ 1883 mark = VTB_MARK_WORD; 1884 break; 1885 case 3: /* triple click: cut a line */ 1886 mark = VTB_MARK_ROW; 1887 break; 1888 } 1889 break; 1890 case VT_MOUSE_PASTEBUTTON: 1891 switch (cnt) { 1892 case 0: /* up */ 1893 break; 1894 default: 1895 vt_mouse_paste(); 1896 break; 1897 } 1898 return; /* Done */ 1899 case VT_MOUSE_EXTENDBUTTON: 1900 switch (cnt) { 1901 case 0: /* up */ 1902 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN)) 1903 mark = VTB_MARK_EXTEND; 1904 else 1905 mark = 0; 1906 break; 1907 default: 1908 mark = VTB_MARK_EXTEND; 1909 break; 1910 } 1911 break; 1912 default: 1913 return; /* Done */ 1914 } 1915 1916 /* Save buttons state. */ 1917 if (cnt > 0) 1918 vd->vd_mstate |= event; 1919 else 1920 vd->vd_mstate &= ~event; 1921 1922 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width, 1923 vd->vd_my / vf->vf_height) == 1) { 1924 /* 1925 * We have something marked to copy, so update pointer to 1926 * window with selection. 1927 */ 1928 vt_resume_flush_timer(vw->vw_device, 0); 1929 1930 switch (mark) { 1931 case VTB_MARK_END: 1932 case VTB_MARK_WORD: 1933 case VTB_MARK_ROW: 1934 case VTB_MARK_EXTEND: 1935 break; 1936 default: 1937 /* Other types of mark do not require to copy data. */ 1938 return; 1939 } 1940 1941 /* Get current selection size in bytes. */ 1942 len = vtbuf_get_marked_len(&vw->vw_buf); 1943 if (len <= 0) 1944 return; 1945 1946 /* Reallocate buffer only if old one is too small. */ 1947 if (len > VD_PASTEBUFSZ(vd)) { 1948 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT, 1949 M_WAITOK | M_ZERO); 1950 /* Update buffer size. */ 1951 VD_PASTEBUFSZ(vd) = len; 1952 } 1953 /* Request copy/paste buffer data, no more than `len' */ 1954 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd), 1955 VD_PASTEBUFSZ(vd)); 1956 1957 VD_PASTEBUFLEN(vd) = len; 1958 1959 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */ 1960 } 1961 } 1962 1963 void 1964 vt_mouse_state(int show) 1965 { 1966 struct vt_device *vd; 1967 struct vt_window *vw; 1968 1969 vd = main_vd; 1970 vw = vd->vd_curwindow; 1971 1972 switch (show) { 1973 case VT_MOUSE_HIDE: 1974 vw->vw_flags |= VWF_MOUSE_HIDE; 1975 break; 1976 case VT_MOUSE_SHOW: 1977 vw->vw_flags &= ~VWF_MOUSE_HIDE; 1978 break; 1979 } 1980 1981 /* Mark mouse position as dirty. */ 1982 vt_mark_mouse_position_as_dirty(vd); 1983 vt_resume_flush_timer(vw->vw_device, 0); 1984 } 1985 #endif 1986 1987 static int 1988 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr, 1989 int nprot, vm_memattr_t *memattr) 1990 { 1991 struct vt_window *vw = tm->tm_softc; 1992 struct vt_device *vd = vw->vw_device; 1993 1994 if (vd->vd_driver->vd_fb_mmap) 1995 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot, 1996 memattr)); 1997 1998 return (ENXIO); 1999 } 2000 2001 static int 2002 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data, 2003 struct thread *td) 2004 { 2005 struct vt_window *vw = tm->tm_softc; 2006 struct vt_device *vd = vw->vw_device; 2007 keyboard_t *kbd; 2008 int error, i, s; 2009 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 2010 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 2011 int ival; 2012 2013 switch (cmd) { 2014 case _IO('v', 4): 2015 cmd = VT_RELDISP; 2016 break; 2017 case _IO('v', 5): 2018 cmd = VT_ACTIVATE; 2019 break; 2020 case _IO('v', 6): 2021 cmd = VT_WAITACTIVE; 2022 break; 2023 case _IO('K', 20): 2024 cmd = KDSKBSTATE; 2025 break; 2026 case _IO('K', 67): 2027 cmd = KDSETRAD; 2028 break; 2029 case _IO('K', 7): 2030 cmd = KDSKBMODE; 2031 break; 2032 case _IO('K', 8): 2033 cmd = KDMKTONE; 2034 break; 2035 case _IO('K', 63): 2036 cmd = KIOCSOUND; 2037 break; 2038 case _IO('K', 66): 2039 cmd = KDSETLED; 2040 break; 2041 case _IO('c', 110): 2042 cmd = CONS_SETKBD; 2043 break; 2044 default: 2045 goto skip_thunk; 2046 } 2047 ival = IOCPARM_IVAL(data); 2048 data = (caddr_t)&ival; 2049 skip_thunk: 2050 #endif 2051 2052 switch (cmd) { 2053 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 2054 if (*(int *)data & ~0x7f) 2055 return (EINVAL); 2056 /* FALLTHROUGH */ 2057 case GIO_KEYMAP: 2058 case PIO_KEYMAP: 2059 case GIO_DEADKEYMAP: 2060 case PIO_DEADKEYMAP: 2061 case GETFKEY: 2062 case SETFKEY: 2063 case KDGKBINFO: 2064 case KDGKBTYPE: 2065 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 2066 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 2067 case KBADDKBD: /* add/remove keyboard to/from mux */ 2068 case KBRELKBD: { 2069 error = 0; 2070 2071 mtx_lock(&Giant); 2072 kbd = kbd_get_keyboard(vd->vd_keyboard); 2073 if (kbd != NULL) 2074 error = kbdd_ioctl(kbd, cmd, data); 2075 mtx_unlock(&Giant); 2076 if (error == ENOIOCTL) { 2077 if (cmd == KDGKBTYPE) { 2078 /* always return something? XXX */ 2079 *(int *)data = 0; 2080 } else { 2081 return (ENODEV); 2082 } 2083 } 2084 return (error); 2085 } 2086 case KDGKBSTATE: { /* get keyboard state (locks) */ 2087 error = 0; 2088 2089 if (vw == vd->vd_curwindow) { 2090 mtx_lock(&Giant); 2091 kbd = kbd_get_keyboard(vd->vd_keyboard); 2092 if (kbd != NULL) 2093 error = vt_save_kbd_state(vw, kbd); 2094 mtx_unlock(&Giant); 2095 2096 if (error != 0) 2097 return (error); 2098 } 2099 2100 *(int *)data = vw->vw_kbdstate & LOCK_MASK; 2101 2102 return (error); 2103 } 2104 case KDSKBSTATE: { /* set keyboard state (locks) */ 2105 int state; 2106 2107 state = *(int *)data; 2108 if (state & ~LOCK_MASK) 2109 return (EINVAL); 2110 2111 vw->vw_kbdstate &= ~LOCK_MASK; 2112 vw->vw_kbdstate |= state; 2113 2114 error = 0; 2115 if (vw == vd->vd_curwindow) { 2116 mtx_lock(&Giant); 2117 kbd = kbd_get_keyboard(vd->vd_keyboard); 2118 if (kbd != NULL) 2119 error = vt_update_kbd_state(vw, kbd); 2120 mtx_unlock(&Giant); 2121 } 2122 2123 return (error); 2124 } 2125 case KDGETLED: { /* get keyboard LED status */ 2126 error = 0; 2127 2128 if (vw == vd->vd_curwindow) { 2129 mtx_lock(&Giant); 2130 kbd = kbd_get_keyboard(vd->vd_keyboard); 2131 if (kbd != NULL) 2132 error = vt_save_kbd_leds(vw, kbd); 2133 mtx_unlock(&Giant); 2134 2135 if (error != 0) 2136 return (error); 2137 } 2138 2139 *(int *)data = vw->vw_kbdstate & LED_MASK; 2140 2141 return (error); 2142 } 2143 case KDSETLED: { /* set keyboard LED status */ 2144 int leds; 2145 2146 leds = *(int *)data; 2147 if (leds & ~LED_MASK) 2148 return (EINVAL); 2149 2150 vw->vw_kbdstate &= ~LED_MASK; 2151 vw->vw_kbdstate |= leds; 2152 2153 error = 0; 2154 if (vw == vd->vd_curwindow) { 2155 mtx_lock(&Giant); 2156 kbd = kbd_get_keyboard(vd->vd_keyboard); 2157 if (kbd != NULL) 2158 error = vt_update_kbd_leds(vw, kbd); 2159 mtx_unlock(&Giant); 2160 } 2161 2162 return (error); 2163 } 2164 case KDGETMODE: 2165 *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ? 2166 KD_GRAPHICS : KD_TEXT; 2167 return (0); 2168 case KDGKBMODE: { 2169 error = 0; 2170 2171 if (vw == vd->vd_curwindow) { 2172 mtx_lock(&Giant); 2173 kbd = kbd_get_keyboard(vd->vd_keyboard); 2174 if (kbd != NULL) 2175 error = vt_save_kbd_mode(vw, kbd); 2176 mtx_unlock(&Giant); 2177 2178 if (error != 0) 2179 return (error); 2180 } 2181 2182 *(int *)data = vw->vw_kbdmode; 2183 2184 return (error); 2185 } 2186 case KDSKBMODE: { 2187 int mode; 2188 2189 mode = *(int *)data; 2190 switch (mode) { 2191 case K_XLATE: 2192 case K_RAW: 2193 case K_CODE: 2194 vw->vw_kbdmode = mode; 2195 2196 error = 0; 2197 if (vw == vd->vd_curwindow) { 2198 mtx_lock(&Giant); 2199 kbd = kbd_get_keyboard(vd->vd_keyboard); 2200 if (kbd != NULL) 2201 error = vt_update_kbd_mode(vw, kbd); 2202 mtx_unlock(&Giant); 2203 } 2204 2205 return (error); 2206 default: 2207 return (EINVAL); 2208 } 2209 } 2210 case FBIOGTYPE: 2211 case FBIO_GETWINORG: /* get frame buffer window origin */ 2212 case FBIO_GETDISPSTART: /* get display start address */ 2213 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 2214 case FBIO_BLANK: /* blank display */ 2215 if (vd->vd_driver->vd_fb_ioctl) 2216 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td)); 2217 break; 2218 case CONS_BLANKTIME: 2219 /* XXX */ 2220 return (0); 2221 case CONS_GET: 2222 /* XXX */ 2223 *(int *)data = M_CG640x480; 2224 return (0); 2225 case CONS_BELLTYPE: /* set bell type sound */ 2226 if ((*(int *)data) & CONS_QUIET_BELL) 2227 vd->vd_flags |= VDF_QUIET_BELL; 2228 else 2229 vd->vd_flags &= ~VDF_QUIET_BELL; 2230 return (0); 2231 case CONS_GETINFO: { 2232 vid_info_t *vi = (vid_info_t *)data; 2233 if (vi->size != sizeof(struct vid_info)) 2234 return (EINVAL); 2235 2236 if (vw == vd->vd_curwindow) { 2237 mtx_lock(&Giant); 2238 kbd = kbd_get_keyboard(vd->vd_keyboard); 2239 if (kbd != NULL) 2240 vt_save_kbd_state(vw, kbd); 2241 mtx_unlock(&Giant); 2242 } 2243 2244 vi->m_num = vd->vd_curwindow->vw_number + 1; 2245 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK; 2246 /* XXX: other fields! */ 2247 return (0); 2248 } 2249 case CONS_GETVERS: 2250 *(int *)data = 0x200; 2251 return (0); 2252 case CONS_MODEINFO: 2253 /* XXX */ 2254 return (0); 2255 case CONS_MOUSECTL: { 2256 mouse_info_t *mouse = (mouse_info_t*)data; 2257 2258 /* 2259 * All the commands except MOUSE_SHOW nd MOUSE_HIDE 2260 * should not be applied to individual TTYs, but only to 2261 * consolectl. 2262 */ 2263 switch (mouse->operation) { 2264 case MOUSE_HIDE: 2265 if (vd->vd_flags & VDF_MOUSECURSOR) { 2266 vd->vd_flags &= ~VDF_MOUSECURSOR; 2267 #ifndef SC_NO_CUTPASTE 2268 vt_mouse_state(VT_MOUSE_HIDE); 2269 #endif 2270 } 2271 return (0); 2272 case MOUSE_SHOW: 2273 if (!(vd->vd_flags & VDF_MOUSECURSOR)) { 2274 vd->vd_flags |= VDF_MOUSECURSOR; 2275 vd->vd_mx = vd->vd_width / 2; 2276 vd->vd_my = vd->vd_height / 2; 2277 #ifndef SC_NO_CUTPASTE 2278 vt_mouse_state(VT_MOUSE_SHOW); 2279 #endif 2280 } 2281 return (0); 2282 default: 2283 return (EINVAL); 2284 } 2285 } 2286 case PIO_VFONT: { 2287 struct vt_font *vf; 2288 2289 if (vd->vd_flags & VDF_TEXTMODE) 2290 return (ENOTSUP); 2291 2292 error = vtfont_load((void *)data, &vf); 2293 if (error != 0) 2294 return (error); 2295 2296 error = vt_change_font(vw, vf); 2297 vtfont_unref(vf); 2298 return (error); 2299 } 2300 case PIO_VFONT_DEFAULT: { 2301 /* Reset to default font. */ 2302 error = vt_change_font(vw, &vt_font_default); 2303 return (error); 2304 } 2305 case GIO_SCRNMAP: { 2306 scrmap_t *sm = (scrmap_t *)data; 2307 2308 /* We don't have screen maps, so return a handcrafted one. */ 2309 for (i = 0; i < 256; i++) 2310 sm->scrmap[i] = i; 2311 return (0); 2312 } 2313 case KDSETMODE: 2314 /* 2315 * FIXME: This implementation is incomplete compared to 2316 * syscons. 2317 */ 2318 switch (*(int *)data) { 2319 case KD_TEXT: 2320 case KD_TEXT1: 2321 case KD_PIXEL: 2322 vw->vw_flags &= ~VWF_GRAPHICS; 2323 break; 2324 case KD_GRAPHICS: 2325 vw->vw_flags |= VWF_GRAPHICS; 2326 break; 2327 } 2328 return (0); 2329 case KDENABIO: /* allow io operations */ 2330 error = priv_check(td, PRIV_IO); 2331 if (error != 0) 2332 return (error); 2333 error = securelevel_gt(td->td_ucred, 0); 2334 if (error != 0) 2335 return (error); 2336 #if defined(__i386__) 2337 td->td_frame->tf_eflags |= PSL_IOPL; 2338 #elif defined(__amd64__) 2339 td->td_frame->tf_rflags |= PSL_IOPL; 2340 #endif 2341 return (0); 2342 case KDDISABIO: /* disallow io operations (default) */ 2343 #if defined(__i386__) 2344 td->td_frame->tf_eflags &= ~PSL_IOPL; 2345 #elif defined(__amd64__) 2346 td->td_frame->tf_rflags &= ~PSL_IOPL; 2347 #endif 2348 return (0); 2349 case KDMKTONE: /* sound the bell */ 2350 vtterm_beep(tm, *(u_int *)data); 2351 return (0); 2352 case KIOCSOUND: /* make tone (*data) hz */ 2353 /* TODO */ 2354 return (0); 2355 case CONS_SETKBD: /* set the new keyboard */ 2356 mtx_lock(&Giant); 2357 error = 0; 2358 if (vd->vd_keyboard != *(int *)data) { 2359 kbd = kbd_get_keyboard(*(int *)data); 2360 if (kbd == NULL) { 2361 mtx_unlock(&Giant); 2362 return (EINVAL); 2363 } 2364 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, 2365 (void *)vd, vt_kbdevent, vd); 2366 if (i >= 0) { 2367 if (vd->vd_keyboard != -1) { 2368 kbd = kbd_get_keyboard(vd->vd_keyboard); 2369 vt_save_kbd_state(vd->vd_curwindow, kbd); 2370 kbd_release(kbd, (void *)vd); 2371 } 2372 kbd = kbd_get_keyboard(i); 2373 vd->vd_keyboard = i; 2374 2375 vt_update_kbd_mode(vd->vd_curwindow, kbd); 2376 vt_update_kbd_state(vd->vd_curwindow, kbd); 2377 } else { 2378 error = EPERM; /* XXX */ 2379 } 2380 } 2381 mtx_unlock(&Giant); 2382 return (error); 2383 case CONS_RELKBD: /* release the current keyboard */ 2384 mtx_lock(&Giant); 2385 error = 0; 2386 if (vd->vd_keyboard != -1) { 2387 kbd = kbd_get_keyboard(vd->vd_keyboard); 2388 if (kbd == NULL) { 2389 mtx_unlock(&Giant); 2390 return (EINVAL); 2391 } 2392 vt_save_kbd_state(vd->vd_curwindow, kbd); 2393 error = kbd_release(kbd, (void *)vd); 2394 if (error == 0) { 2395 vd->vd_keyboard = -1; 2396 } 2397 } 2398 mtx_unlock(&Giant); 2399 return (error); 2400 case VT_ACTIVATE: { 2401 int win; 2402 win = *(int *)data - 1; 2403 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME, 2404 VT_UNIT(vw), win); 2405 if ((win >= VT_MAXWINDOWS) || (win < 0)) 2406 return (EINVAL); 2407 return (vt_proc_window_switch(vd->vd_windows[win])); 2408 } 2409 case VT_GETACTIVE: 2410 *(int *)data = vd->vd_curwindow->vw_number + 1; 2411 return (0); 2412 case VT_GETINDEX: 2413 *(int *)data = vw->vw_number + 1; 2414 return (0); 2415 case VT_LOCKSWITCH: 2416 /* TODO: Check current state, switching can be in progress. */ 2417 if ((*(int *)data) == 0x01) 2418 vw->vw_flags |= VWF_VTYLOCK; 2419 else if ((*(int *)data) == 0x02) 2420 vw->vw_flags &= ~VWF_VTYLOCK; 2421 else 2422 return (EINVAL); 2423 return (0); 2424 case VT_OPENQRY: 2425 VT_LOCK(vd); 2426 for (i = 0; i < VT_MAXWINDOWS; i++) { 2427 vw = vd->vd_windows[i]; 2428 if (vw == NULL) 2429 continue; 2430 if (!(vw->vw_flags & VWF_OPENED)) { 2431 *(int *)data = vw->vw_number + 1; 2432 VT_UNLOCK(vd); 2433 return (0); 2434 } 2435 } 2436 VT_UNLOCK(vd); 2437 return (EINVAL); 2438 case VT_WAITACTIVE: { 2439 unsigned int idx; 2440 2441 error = 0; 2442 2443 idx = *(unsigned int *)data; 2444 if (idx > VT_MAXWINDOWS) 2445 return (EINVAL); 2446 if (idx > 0) 2447 vw = vd->vd_windows[idx - 1]; 2448 2449 VT_LOCK(vd); 2450 while (vd->vd_curwindow != vw && error == 0) 2451 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2452 VT_UNLOCK(vd); 2453 return (error); 2454 } 2455 case VT_SETMODE: { /* set screen switcher mode */ 2456 struct vt_mode *mode; 2457 struct proc *p1; 2458 2459 mode = (struct vt_mode *)data; 2460 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw)); 2461 if (vw->vw_smode.mode == VT_PROCESS) { 2462 p1 = pfind(vw->vw_pid); 2463 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) { 2464 if (p1) 2465 PROC_UNLOCK(p1); 2466 DPRINTF(5, "error EPERM\n"); 2467 return (EPERM); 2468 } 2469 if (p1) 2470 PROC_UNLOCK(p1); 2471 } 2472 if (mode->mode == VT_AUTO) { 2473 vw->vw_smode.mode = VT_AUTO; 2474 vw->vw_proc = NULL; 2475 vw->vw_pid = 0; 2476 DPRINTF(5, "VT_AUTO, "); 2477 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2478 cnavailable(vw->vw_terminal->consdev, TRUE); 2479 /* were we in the middle of the vty switching process? */ 2480 if (finish_vt_rel(vw, TRUE, &s) == 0) 2481 DPRINTF(5, "reset WAIT_REL, "); 2482 if (finish_vt_acq(vw) == 0) 2483 DPRINTF(5, "reset WAIT_ACQ, "); 2484 return (0); 2485 } else if (mode->mode == VT_PROCESS) { 2486 if (!ISSIGVALID(mode->relsig) || 2487 !ISSIGVALID(mode->acqsig) || 2488 !ISSIGVALID(mode->frsig)) { 2489 DPRINTF(5, "error EINVAL\n"); 2490 return (EINVAL); 2491 } 2492 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid); 2493 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode)); 2494 vw->vw_proc = td->td_proc; 2495 vw->vw_pid = vw->vw_proc->p_pid; 2496 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2497 cnavailable(vw->vw_terminal->consdev, FALSE); 2498 } else { 2499 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n", 2500 mode->mode); 2501 return (EINVAL); 2502 } 2503 DPRINTF(5, "\n"); 2504 return (0); 2505 } 2506 case VT_GETMODE: /* get screen switcher mode */ 2507 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode)); 2508 return (0); 2509 2510 case VT_RELDISP: /* screen switcher ioctl */ 2511 /* 2512 * This must be the current vty which is in the VT_PROCESS 2513 * switching mode... 2514 */ 2515 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode != 2516 VT_PROCESS)) { 2517 return (EINVAL); 2518 } 2519 /* ...and this process is controlling it. */ 2520 if (vw->vw_proc != td->td_proc) { 2521 return (EPERM); 2522 } 2523 error = EINVAL; 2524 switch(*(int *)data) { 2525 case VT_FALSE: /* user refuses to release screen, abort */ 2526 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0) 2527 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n", 2528 SC_DRIVER_NAME, VT_UNIT(vw)); 2529 break; 2530 case VT_TRUE: /* user has released screen, go on */ 2531 /* finish_vt_rel(..., TRUE, ...) should not be locked */ 2532 if (vw->vw_flags & VWF_SWWAIT_REL) { 2533 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0) 2534 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n", 2535 SC_DRIVER_NAME, VT_UNIT(vw)); 2536 } else { 2537 error = EINVAL; 2538 } 2539 return (error); 2540 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 2541 if ((error = finish_vt_acq(vw)) == 0) 2542 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n", 2543 SC_DRIVER_NAME, VT_UNIT(vw)); 2544 break; 2545 default: 2546 break; 2547 } 2548 return (error); 2549 } 2550 2551 return (ENOIOCTL); 2552 } 2553 2554 static struct vt_window * 2555 vt_allocate_window(struct vt_device *vd, unsigned int window) 2556 { 2557 struct vt_window *vw; 2558 struct terminal *tm; 2559 term_pos_t size; 2560 struct winsize wsz; 2561 2562 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO); 2563 vw->vw_device = vd; 2564 vw->vw_number = window; 2565 vw->vw_kbdmode = K_XLATE; 2566 2567 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 2568 vw->vw_font = vtfont_ref(&vt_font_default); 2569 vt_compute_drawable_area(vw); 2570 } 2571 2572 vt_termsize(vd, vw->vw_font, &size); 2573 vt_winsize(vd, vw->vw_font, &wsz); 2574 vtbuf_init(&vw->vw_buf, &size); 2575 2576 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw); 2577 terminal_set_winsize(tm, &wsz); 2578 vd->vd_windows[window] = vw; 2579 callout_init(&vw->vw_proc_dead_timer, 0); 2580 2581 return (vw); 2582 } 2583 2584 void 2585 vt_upgrade(struct vt_device *vd) 2586 { 2587 struct vt_window *vw; 2588 unsigned int i; 2589 int register_handlers; 2590 2591 if (!vty_enabled(VTY_VT)) 2592 return; 2593 if (main_vd->vd_driver == NULL) 2594 return; 2595 2596 for (i = 0; i < VT_MAXWINDOWS; i++) { 2597 vw = vd->vd_windows[i]; 2598 if (vw == NULL) { 2599 /* New window. */ 2600 vw = vt_allocate_window(vd, i); 2601 } 2602 if (!(vw->vw_flags & VWF_READY)) { 2603 callout_init(&vw->vw_proc_dead_timer, 0); 2604 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw)); 2605 vw->vw_flags |= VWF_READY; 2606 if (vw->vw_flags & VWF_CONSOLE) { 2607 /* For existing console window. */ 2608 EVENTHANDLER_REGISTER(shutdown_pre_sync, 2609 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT); 2610 } 2611 } 2612 2613 } 2614 VT_LOCK(vd); 2615 if (vd->vd_curwindow == NULL) 2616 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW]; 2617 2618 register_handlers = 0; 2619 if (!(vd->vd_flags & VDF_ASYNC)) { 2620 /* Attach keyboard. */ 2621 vt_allocate_keyboard(vd); 2622 2623 /* Init 25 Hz timer. */ 2624 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0); 2625 2626 /* 2627 * Start timer when everything ready. 2628 * Note that the operations here are purposefully ordered. 2629 * We need to ensure vd_timer_armed is non-zero before we set 2630 * the VDF_ASYNC flag. That prevents this function from 2631 * racing with vt_resume_flush_timer() to update the 2632 * callout structure. 2633 */ 2634 atomic_add_acq_int(&vd->vd_timer_armed, 1); 2635 vd->vd_flags |= VDF_ASYNC; 2636 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd); 2637 register_handlers = 1; 2638 } 2639 2640 VT_UNLOCK(vd); 2641 2642 /* Refill settings with new sizes. */ 2643 vt_resize(vd); 2644 2645 if (register_handlers) { 2646 /* Register suspend/resume handlers. */ 2647 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler, 2648 vd, EVENTHANDLER_PRI_ANY); 2649 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd, 2650 EVENTHANDLER_PRI_ANY); 2651 } 2652 } 2653 2654 static void 2655 vt_resize(struct vt_device *vd) 2656 { 2657 struct vt_window *vw; 2658 int i; 2659 2660 for (i = 0; i < VT_MAXWINDOWS; i++) { 2661 vw = vd->vd_windows[i]; 2662 VT_LOCK(vd); 2663 /* Assign default font to window, if not textmode. */ 2664 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL) 2665 vw->vw_font = vtfont_ref(&vt_font_default); 2666 VT_UNLOCK(vd); 2667 2668 /* Resize terminal windows */ 2669 while (vt_change_font(vw, vw->vw_font) == EBUSY) { 2670 DPRINTF(100, "%s: vt_change_font() is busy, " 2671 "window %d\n", __func__, i); 2672 } 2673 } 2674 } 2675 2676 static void 2677 vt_replace_backend(const struct vt_driver *drv, void *softc) 2678 { 2679 struct vt_device *vd; 2680 2681 vd = main_vd; 2682 2683 if (vd->vd_flags & VDF_ASYNC) { 2684 /* Stop vt_flush periodic task. */ 2685 VT_LOCK(vd); 2686 vt_suspend_flush_timer(vd); 2687 VT_UNLOCK(vd); 2688 /* 2689 * Mute current terminal until we done. vt_change_font (called 2690 * from vt_resize) will unmute it. 2691 */ 2692 terminal_mute(vd->vd_curwindow->vw_terminal, 1); 2693 } 2694 2695 /* 2696 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will 2697 * set it. 2698 */ 2699 VT_LOCK(vd); 2700 vd->vd_flags &= ~VDF_TEXTMODE; 2701 2702 if (drv != NULL) { 2703 /* 2704 * We want to upgrade from the current driver to the 2705 * given driver. 2706 */ 2707 2708 vd->vd_prev_driver = vd->vd_driver; 2709 vd->vd_prev_softc = vd->vd_softc; 2710 vd->vd_driver = drv; 2711 vd->vd_softc = softc; 2712 2713 vd->vd_driver->vd_init(vd); 2714 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) { 2715 /* 2716 * No driver given: we want to downgrade to the previous 2717 * driver. 2718 */ 2719 const struct vt_driver *old_drv; 2720 void *old_softc; 2721 2722 old_drv = vd->vd_driver; 2723 old_softc = vd->vd_softc; 2724 2725 vd->vd_driver = vd->vd_prev_driver; 2726 vd->vd_softc = vd->vd_prev_softc; 2727 vd->vd_prev_driver = NULL; 2728 vd->vd_prev_softc = NULL; 2729 2730 vd->vd_flags |= VDF_DOWNGRADE; 2731 2732 vd->vd_driver->vd_init(vd); 2733 2734 if (old_drv->vd_fini) 2735 old_drv->vd_fini(vd, old_softc); 2736 2737 vd->vd_flags &= ~VDF_DOWNGRADE; 2738 } 2739 2740 VT_UNLOCK(vd); 2741 2742 /* Update windows sizes and initialize last items. */ 2743 vt_upgrade(vd); 2744 2745 #ifdef DEV_SPLASH 2746 if (vd->vd_flags & VDF_SPLASH) 2747 vtterm_splash(vd); 2748 #endif 2749 2750 if (vd->vd_flags & VDF_ASYNC) { 2751 /* Allow to put chars now. */ 2752 terminal_mute(vd->vd_curwindow->vw_terminal, 0); 2753 /* Rerun timer for screen updates. */ 2754 vt_resume_flush_timer(vd, 0); 2755 } 2756 2757 /* 2758 * Register as console. If it already registered, cnadd() will ignore 2759 * it. 2760 */ 2761 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal); 2762 } 2763 2764 static void 2765 vt_suspend_handler(void *priv) 2766 { 2767 struct vt_device *vd; 2768 2769 vd = priv; 2770 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL) 2771 vd->vd_driver->vd_suspend(vd); 2772 } 2773 2774 static void 2775 vt_resume_handler(void *priv) 2776 { 2777 struct vt_device *vd; 2778 2779 vd = priv; 2780 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL) 2781 vd->vd_driver->vd_resume(vd); 2782 } 2783 2784 void 2785 vt_allocate(const struct vt_driver *drv, void *softc) 2786 { 2787 2788 if (!vty_enabled(VTY_VT)) 2789 return; 2790 2791 if (main_vd->vd_driver == NULL) { 2792 main_vd->vd_driver = drv; 2793 printf("VT: initialize with new VT driver \"%s\".\n", 2794 drv->vd_name); 2795 } else { 2796 /* 2797 * Check if have rights to replace current driver. For example: 2798 * it is bad idea to replace KMS driver with generic VGA one. 2799 */ 2800 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) { 2801 printf("VT: Driver priority %d too low. Current %d\n ", 2802 drv->vd_priority, main_vd->vd_driver->vd_priority); 2803 return; 2804 } 2805 printf("VT: Replacing driver \"%s\" with new \"%s\".\n", 2806 main_vd->vd_driver->vd_name, drv->vd_name); 2807 } 2808 2809 vt_replace_backend(drv, softc); 2810 } 2811 2812 void 2813 vt_deallocate(const struct vt_driver *drv, void *softc) 2814 { 2815 2816 if (!vty_enabled(VTY_VT)) 2817 return; 2818 2819 if (main_vd->vd_prev_driver == NULL || 2820 main_vd->vd_driver != drv || 2821 main_vd->vd_softc != softc) 2822 return; 2823 2824 printf("VT: Switching back from \"%s\" to \"%s\".\n", 2825 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name); 2826 2827 vt_replace_backend(NULL, NULL); 2828 } 2829 2830 void 2831 vt_suspend(struct vt_device *vd) 2832 { 2833 int error; 2834 2835 if (vt_suspendswitch == 0) 2836 return; 2837 /* Save current window. */ 2838 vd->vd_savedwindow = vd->vd_curwindow; 2839 /* Ask holding process to free window and switch to console window */ 2840 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]); 2841 2842 /* Wait for the window switch to complete. */ 2843 error = 0; 2844 VT_LOCK(vd); 2845 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0) 2846 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2847 VT_UNLOCK(vd); 2848 } 2849 2850 void 2851 vt_resume(struct vt_device *vd) 2852 { 2853 2854 if (vt_suspendswitch == 0) 2855 return; 2856 /* Switch back to saved window, if any */ 2857 vt_proc_window_switch(vd->vd_savedwindow); 2858 vd->vd_savedwindow = NULL; 2859 } 2860