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