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_SHOWCURSOR: 1056 vtbuf_cursor_visibility(&vw->vw_buf, arg); 1057 vt_resume_flush_timer(vw->vw_device, 0); 1058 break; 1059 case TP_MOUSE: 1060 vw->vw_mouse_level = arg; 1061 break; 1062 } 1063 } 1064 1065 void 1066 vt_determine_colors(term_char_t c, int cursor, 1067 term_color_t *fg, term_color_t *bg) 1068 { 1069 term_color_t tmp; 1070 int invert; 1071 1072 invert = 0; 1073 1074 *fg = TCHAR_FGCOLOR(c); 1075 if (TCHAR_FORMAT(c) & TF_BOLD) 1076 *fg = TCOLOR_LIGHT(*fg); 1077 *bg = TCHAR_BGCOLOR(c); 1078 if (TCHAR_FORMAT(c) & TF_BLINK) 1079 *bg = TCOLOR_LIGHT(*bg); 1080 1081 if (TCHAR_FORMAT(c) & TF_REVERSE) 1082 invert ^= 1; 1083 if (cursor) 1084 invert ^= 1; 1085 1086 if (invert) { 1087 tmp = *fg; 1088 *fg = *bg; 1089 *bg = tmp; 1090 } 1091 } 1092 1093 #ifndef SC_NO_CUTPASTE 1094 int 1095 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area) 1096 { 1097 unsigned int mx, my; 1098 1099 /* 1100 * We use the cursor position saved during the current refresh, 1101 * in case the cursor moved since. 1102 */ 1103 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col; 1104 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row; 1105 1106 if (mx >= area->tr_end.tp_col || 1107 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col || 1108 my >= area->tr_end.tp_row || 1109 my + vd->vd_mcursor->height <= area->tr_begin.tp_row) 1110 return (0); 1111 return (1); 1112 } 1113 1114 static void 1115 vt_mark_mouse_position_as_dirty(struct vt_device *vd) 1116 { 1117 term_rect_t area; 1118 struct vt_window *vw; 1119 struct vt_font *vf; 1120 int x, y; 1121 1122 vw = vd->vd_curwindow; 1123 vf = vw->vw_font; 1124 1125 x = vd->vd_mx_drawn; 1126 y = vd->vd_my_drawn; 1127 1128 if (vf != NULL) { 1129 area.tr_begin.tp_col = x / vf->vf_width; 1130 area.tr_begin.tp_row = y / vf->vf_height; 1131 area.tr_end.tp_col = 1132 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1; 1133 area.tr_end.tp_row = 1134 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1; 1135 } else { 1136 /* 1137 * No font loaded (ie. vt_vga operating in textmode). 1138 * 1139 * FIXME: This fake area needs to be revisited once the 1140 * mouse cursor is supported in vt_vga's textmode. 1141 */ 1142 area.tr_begin.tp_col = x; 1143 area.tr_begin.tp_row = y; 1144 area.tr_end.tp_col = x + 2; 1145 area.tr_end.tp_row = y + 2; 1146 } 1147 1148 vtbuf_dirty(&vw->vw_buf, &area); 1149 } 1150 #endif 1151 1152 static void 1153 vt_set_border(struct vt_device *vd, const term_rect_t *area, 1154 const term_color_t c) 1155 { 1156 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect; 1157 1158 if (drawrect == NULL) 1159 return; 1160 1161 /* Top bar */ 1162 if (area->tr_begin.tp_row > 0) 1163 drawrect(vd, 0, 0, vd->vd_width - 1, 1164 area->tr_begin.tp_row - 1, 1, c); 1165 1166 /* Left bar */ 1167 if (area->tr_begin.tp_col > 0) 1168 drawrect(vd, 0, area->tr_begin.tp_row, 1169 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c); 1170 1171 /* Right bar */ 1172 if (area->tr_end.tp_col < vd->vd_width) 1173 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row, 1174 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c); 1175 1176 /* Bottom bar */ 1177 if (area->tr_end.tp_row < vd->vd_height) 1178 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1, 1179 vd->vd_height - 1, 1, c); 1180 } 1181 1182 static int 1183 vt_flush(struct vt_device *vd) 1184 { 1185 struct vt_window *vw; 1186 struct vt_font *vf; 1187 term_rect_t tarea; 1188 #ifndef SC_NO_CUTPASTE 1189 int cursor_was_shown, cursor_moved; 1190 #endif 1191 1192 vw = vd->vd_curwindow; 1193 if (vw == NULL) 1194 return (0); 1195 1196 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY) 1197 return (0); 1198 1199 vf = vw->vw_font; 1200 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL)) 1201 return (0); 1202 1203 #ifndef SC_NO_CUTPASTE 1204 cursor_was_shown = vd->vd_mshown; 1205 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn || 1206 vd->vd_my != vd->vd_my_drawn); 1207 1208 /* Check if the cursor should be displayed or not. */ 1209 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */ 1210 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */ 1211 !kdb_active && panicstr == NULL) { /* DDB inactive. */ 1212 vd->vd_mshown = 1; 1213 } else { 1214 vd->vd_mshown = 0; 1215 } 1216 1217 /* 1218 * If the cursor changed display state or moved, we must mark 1219 * the old position as dirty, so that it's erased. 1220 */ 1221 if (cursor_was_shown != vd->vd_mshown || 1222 (vd->vd_mshown && cursor_moved)) 1223 vt_mark_mouse_position_as_dirty(vd); 1224 1225 /* 1226 * Save position of the mouse cursor. It's used by backends to 1227 * know where to draw the cursor and during the next refresh to 1228 * erase the previous position. 1229 */ 1230 vd->vd_mx_drawn = vd->vd_mx; 1231 vd->vd_my_drawn = vd->vd_my; 1232 1233 /* 1234 * If the cursor is displayed and has moved since last refresh, 1235 * mark the new position as dirty. 1236 */ 1237 if (vd->vd_mshown && cursor_moved) 1238 vt_mark_mouse_position_as_dirty(vd); 1239 #endif 1240 1241 vtbuf_undirty(&vw->vw_buf, &tarea); 1242 1243 /* Force a full redraw when the screen contents are invalid. */ 1244 if (vd->vd_flags & VDF_INVALID) { 1245 vd->vd_flags &= ~VDF_INVALID; 1246 1247 vt_set_border(vd, &vw->vw_draw_area, TC_BLACK); 1248 vt_termrect(vd, vf, &tarea); 1249 if (vt_draw_logo_cpus) 1250 vtterm_draw_cpu_logos(vd); 1251 } 1252 1253 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) { 1254 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea); 1255 return (1); 1256 } 1257 1258 return (0); 1259 } 1260 1261 static void 1262 vt_timer(void *arg) 1263 { 1264 struct vt_device *vd; 1265 int changed; 1266 1267 vd = arg; 1268 /* Update screen if required. */ 1269 changed = vt_flush(vd); 1270 1271 /* Schedule for next update. */ 1272 if (changed) 1273 vt_schedule_flush(vd, 0); 1274 else 1275 vd->vd_timer_armed = 0; 1276 } 1277 1278 static void 1279 vtterm_done(struct terminal *tm) 1280 { 1281 struct vt_window *vw = tm->tm_softc; 1282 struct vt_device *vd = vw->vw_device; 1283 1284 if (kdb_active || panicstr != NULL) { 1285 /* Switch to the debugger. */ 1286 if (vd->vd_curwindow != vw) { 1287 vd->vd_curwindow = vw; 1288 vd->vd_flags |= VDF_INVALID; 1289 if (vd->vd_driver->vd_postswitch) 1290 vd->vd_driver->vd_postswitch(vd); 1291 } 1292 vd->vd_flags &= ~VDF_SPLASH; 1293 vt_flush(vd); 1294 } else if (!(vd->vd_flags & VDF_ASYNC)) { 1295 vt_flush(vd); 1296 } 1297 } 1298 1299 #ifdef DEV_SPLASH 1300 static void 1301 vtterm_splash(struct vt_device *vd) 1302 { 1303 vt_axis_t top, left; 1304 1305 /* Display a nice boot splash. */ 1306 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) { 1307 1308 top = (vd->vd_height - vt_logo_height) / 2; 1309 left = (vd->vd_width - vt_logo_width) / 2; 1310 switch (vt_logo_depth) { 1311 case 1: 1312 /* XXX: Unhardcode colors! */ 1313 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow, 1314 vt_logo_image, NULL, vt_logo_width, vt_logo_height, 1315 left, top, TC_WHITE, TC_BLACK); 1316 } 1317 vd->vd_flags |= VDF_SPLASH; 1318 } 1319 } 1320 #endif 1321 1322 1323 static void 1324 vtterm_cnprobe(struct terminal *tm, struct consdev *cp) 1325 { 1326 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL; 1327 struct vt_window *vw = tm->tm_softc; 1328 struct vt_device *vd = vw->vw_device; 1329 struct winsize wsz; 1330 term_attr_t attr; 1331 term_char_t c; 1332 1333 if (!vty_enabled(VTY_VT)) 1334 return; 1335 1336 if (vd->vd_flags & VDF_INITIALIZED) 1337 /* Initialization already done. */ 1338 return; 1339 1340 SET_FOREACH(vtdlist, vt_drv_set) { 1341 vtd = *vtdlist; 1342 if (vtd->vd_probe == NULL) 1343 continue; 1344 if (vtd->vd_probe(vd) == CN_DEAD) 1345 continue; 1346 if ((vtdbest == NULL) || 1347 (vtd->vd_priority > vtdbest->vd_priority)) 1348 vtdbest = vtd; 1349 } 1350 if (vtdbest == NULL) { 1351 cp->cn_pri = CN_DEAD; 1352 vd->vd_flags |= VDF_DEAD; 1353 } else { 1354 vd->vd_driver = vtdbest; 1355 cp->cn_pri = vd->vd_driver->vd_init(vd); 1356 } 1357 1358 /* Check if driver's vt_init return CN_DEAD. */ 1359 if (cp->cn_pri == CN_DEAD) { 1360 vd->vd_flags |= VDF_DEAD; 1361 } 1362 1363 /* Initialize any early-boot keyboard drivers */ 1364 kbd_configure(KB_CONF_PROBE_ONLY); 1365 1366 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1); 1367 vd->vd_windows[VT_CONSWINDOW] = vw; 1368 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw)); 1369 1370 /* Attach default font if not in TEXTMODE. */ 1371 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 1372 vw->vw_font = vtfont_ref(&vt_font_default); 1373 vt_compute_drawable_area(vw); 1374 } 1375 1376 /* 1377 * The original screen size was faked (_VTDEFW x _VTDEFH). Now 1378 * that we have the real viewable size, fix it in the static 1379 * buffer. 1380 */ 1381 if (vd->vd_width != 0 && vd->vd_height != 0) 1382 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size); 1383 1384 vtbuf_init_early(&vw->vw_buf); 1385 vt_winsize(vd, vw->vw_font, &wsz); 1386 c = (boothowto & RB_MUTE) == 0 ? TERMINAL_KERN_ATTR : 1387 TERMINAL_NORM_ATTR; 1388 attr.ta_format = TCHAR_FORMAT(c); 1389 attr.ta_fgcolor = TCHAR_FGCOLOR(c); 1390 attr.ta_bgcolor = TCHAR_BGCOLOR(c); 1391 terminal_set_winsize_blank(tm, &wsz, 1, &attr); 1392 1393 if (vtdbest != NULL) { 1394 #ifdef DEV_SPLASH 1395 if (!vt_splash_cpu) 1396 vtterm_splash(vd); 1397 #endif 1398 vd->vd_flags |= VDF_INITIALIZED; 1399 } 1400 } 1401 1402 static int 1403 vtterm_cngetc(struct terminal *tm) 1404 { 1405 struct vt_window *vw = tm->tm_softc; 1406 struct vt_device *vd = vw->vw_device; 1407 keyboard_t *kbd; 1408 u_int c; 1409 1410 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1411 return (*vw->vw_kbdsq++); 1412 1413 /* Make sure the splash screen is not there. */ 1414 if (vd->vd_flags & VDF_SPLASH) { 1415 /* Remove splash */ 1416 vd->vd_flags &= ~VDF_SPLASH; 1417 /* Mark screen as invalid to force update */ 1418 vd->vd_flags |= VDF_INVALID; 1419 vt_flush(vd); 1420 } 1421 1422 /* Stripped down keyboard handler. */ 1423 kbd = kbd_get_keyboard(vd->vd_keyboard); 1424 if (kbd == NULL) 1425 return (-1); 1426 1427 /* Force keyboard input mode to K_XLATE */ 1428 vw->vw_kbdmode = K_XLATE; 1429 vt_update_kbd_mode(vw, kbd); 1430 1431 /* Switch the keyboard to polling to make it work here. */ 1432 kbdd_poll(kbd, TRUE); 1433 c = kbdd_read_char(kbd, 0); 1434 kbdd_poll(kbd, FALSE); 1435 if (c & RELKEY) 1436 return (-1); 1437 1438 if (vw->vw_flags & VWF_SCROLL) { 1439 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */); 1440 vt_flush(vd); 1441 return (-1); 1442 } 1443 1444 /* Stripped down handling of vt_kbdevent(), without locking, etc. */ 1445 if (c & SPCLKEY) { 1446 switch (c) { 1447 case SPCLKEY | SLK: 1448 vt_save_kbd_state(vw, kbd); 1449 if (vw->vw_kbdstate & SLKED) { 1450 /* Turn scrolling on. */ 1451 vw->vw_flags |= VWF_SCROLL; 1452 VTBUF_SLCK_ENABLE(&vw->vw_buf); 1453 } else { 1454 /* Turn scrolling off. */ 1455 vt_scroll(vw, 0, VHS_END); 1456 vw->vw_flags &= ~VWF_SCROLL; 1457 VTBUF_SLCK_DISABLE(&vw->vw_buf); 1458 } 1459 break; 1460 /* XXX: KDB can handle history. */ 1461 case SPCLKEY | FKEY | F(50): /* Arrow up. */ 1462 vw->vw_kbdsq = "\x1b[A"; 1463 break; 1464 case SPCLKEY | FKEY | F(58): /* Arrow down. */ 1465 vw->vw_kbdsq = "\x1b[B"; 1466 break; 1467 case SPCLKEY | FKEY | F(55): /* Arrow right. */ 1468 vw->vw_kbdsq = "\x1b[C"; 1469 break; 1470 case SPCLKEY | FKEY | F(53): /* Arrow left. */ 1471 vw->vw_kbdsq = "\x1b[D"; 1472 break; 1473 } 1474 1475 /* Force refresh to make scrollback work. */ 1476 vt_flush(vd); 1477 } else if (KEYFLAGS(c) == 0) { 1478 return (KEYCHAR(c)); 1479 } 1480 1481 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1482 return (*vw->vw_kbdsq++); 1483 1484 return (-1); 1485 } 1486 1487 static void 1488 vtterm_cngrab(struct terminal *tm) 1489 { 1490 struct vt_device *vd; 1491 struct vt_window *vw; 1492 keyboard_t *kbd; 1493 1494 vw = tm->tm_softc; 1495 vd = vw->vw_device; 1496 1497 if (!cold) 1498 vt_window_switch(vw); 1499 1500 kbd = kbd_get_keyboard(vd->vd_keyboard); 1501 if (kbd == NULL) 1502 return; 1503 1504 if (vw->vw_grabbed++ > 0) 1505 return; 1506 1507 /* 1508 * Make sure the keyboard is accessible even when the kbd device 1509 * driver is disabled. 1510 */ 1511 kbdd_enable(kbd); 1512 1513 /* We shall always use the keyboard in the XLATE mode here. */ 1514 vw->vw_prev_kbdmode = vw->vw_kbdmode; 1515 vw->vw_kbdmode = K_XLATE; 1516 vt_update_kbd_mode(vw, kbd); 1517 1518 kbdd_poll(kbd, TRUE); 1519 } 1520 1521 static void 1522 vtterm_cnungrab(struct terminal *tm) 1523 { 1524 struct vt_device *vd; 1525 struct vt_window *vw; 1526 keyboard_t *kbd; 1527 1528 vw = tm->tm_softc; 1529 vd = vw->vw_device; 1530 1531 kbd = kbd_get_keyboard(vd->vd_keyboard); 1532 if (kbd == NULL) 1533 return; 1534 1535 if (--vw->vw_grabbed > 0) 1536 return; 1537 1538 kbdd_poll(kbd, FALSE); 1539 1540 vw->vw_kbdmode = vw->vw_prev_kbdmode; 1541 vt_update_kbd_mode(vw, kbd); 1542 kbdd_disable(kbd); 1543 } 1544 1545 static void 1546 vtterm_opened(struct terminal *tm, int opened) 1547 { 1548 struct vt_window *vw = tm->tm_softc; 1549 struct vt_device *vd = vw->vw_device; 1550 1551 VT_LOCK(vd); 1552 vd->vd_flags &= ~VDF_SPLASH; 1553 if (opened) 1554 vw->vw_flags |= VWF_OPENED; 1555 else { 1556 vw->vw_flags &= ~VWF_OPENED; 1557 /* TODO: finish ACQ/REL */ 1558 } 1559 VT_UNLOCK(vd); 1560 } 1561 1562 static int 1563 vt_change_font(struct vt_window *vw, struct vt_font *vf) 1564 { 1565 struct vt_device *vd = vw->vw_device; 1566 struct terminal *tm = vw->vw_terminal; 1567 term_pos_t size; 1568 struct winsize wsz; 1569 1570 /* 1571 * Changing fonts. 1572 * 1573 * Changing fonts is a little tricky. We must prevent 1574 * simultaneous access to the device, so we must stop 1575 * the display timer and the terminal from accessing. 1576 * We need to switch fonts and grow our screen buffer. 1577 * 1578 * XXX: Right now the code uses terminal_mute() to 1579 * prevent data from reaching the console driver while 1580 * resizing the screen buffer. This isn't elegant... 1581 */ 1582 1583 VT_LOCK(vd); 1584 if (vw->vw_flags & VWF_BUSY) { 1585 /* Another process is changing the font. */ 1586 VT_UNLOCK(vd); 1587 return (EBUSY); 1588 } 1589 vw->vw_flags |= VWF_BUSY; 1590 VT_UNLOCK(vd); 1591 1592 vt_termsize(vd, vf, &size); 1593 vt_winsize(vd, vf, &wsz); 1594 1595 /* Grow the screen buffer and terminal. */ 1596 terminal_mute(tm, 1); 1597 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 1598 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 1599 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 1600 terminal_mute(tm, 0); 1601 1602 /* Actually apply the font to the current window. */ 1603 VT_LOCK(vd); 1604 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) { 1605 /* 1606 * In case vt_change_font called to update size we don't need 1607 * to update font link. 1608 */ 1609 vtfont_unref(vw->vw_font); 1610 vw->vw_font = vtfont_ref(vf); 1611 } 1612 1613 /* 1614 * Compute the drawable area and move the mouse cursor inside 1615 * it, in case the new area is smaller than the previous one. 1616 */ 1617 vt_compute_drawable_area(vw); 1618 vd->vd_mx = min(vd->vd_mx, 1619 vw->vw_draw_area.tr_end.tp_col - 1620 vw->vw_draw_area.tr_begin.tp_col - 1); 1621 vd->vd_my = min(vd->vd_my, 1622 vw->vw_draw_area.tr_end.tp_row - 1623 vw->vw_draw_area.tr_begin.tp_row - 1); 1624 1625 /* Force a full redraw the next timer tick. */ 1626 if (vd->vd_curwindow == vw) { 1627 vd->vd_flags |= VDF_INVALID; 1628 vt_resume_flush_timer(vw->vw_device, 0); 1629 } 1630 vw->vw_flags &= ~VWF_BUSY; 1631 VT_UNLOCK(vd); 1632 return (0); 1633 } 1634 1635 static int 1636 vt_proc_alive(struct vt_window *vw) 1637 { 1638 struct proc *p; 1639 1640 if (vw->vw_smode.mode != VT_PROCESS) 1641 return (FALSE); 1642 1643 if (vw->vw_proc) { 1644 if ((p = pfind(vw->vw_pid)) != NULL) 1645 PROC_UNLOCK(p); 1646 if (vw->vw_proc == p) 1647 return (TRUE); 1648 vw->vw_proc = NULL; 1649 vw->vw_smode.mode = VT_AUTO; 1650 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid); 1651 vw->vw_pid = 0; 1652 } 1653 return (FALSE); 1654 } 1655 1656 static int 1657 signal_vt_rel(struct vt_window *vw) 1658 { 1659 1660 if (vw->vw_smode.mode != VT_PROCESS) 1661 return (FALSE); 1662 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1663 vw->vw_proc = NULL; 1664 vw->vw_pid = 0; 1665 return (TRUE); 1666 } 1667 vw->vw_flags |= VWF_SWWAIT_REL; 1668 PROC_LOCK(vw->vw_proc); 1669 kern_psignal(vw->vw_proc, vw->vw_smode.relsig); 1670 PROC_UNLOCK(vw->vw_proc); 1671 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid); 1672 return (TRUE); 1673 } 1674 1675 static int 1676 signal_vt_acq(struct vt_window *vw) 1677 { 1678 1679 if (vw->vw_smode.mode != VT_PROCESS) 1680 return (FALSE); 1681 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 1682 cnavailable(vw->vw_terminal->consdev, FALSE); 1683 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1684 vw->vw_proc = NULL; 1685 vw->vw_pid = 0; 1686 return (TRUE); 1687 } 1688 vw->vw_flags |= VWF_SWWAIT_ACQ; 1689 PROC_LOCK(vw->vw_proc); 1690 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig); 1691 PROC_UNLOCK(vw->vw_proc); 1692 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid); 1693 return (TRUE); 1694 } 1695 1696 static int 1697 finish_vt_rel(struct vt_window *vw, int release, int *s) 1698 { 1699 1700 if (vw->vw_flags & VWF_SWWAIT_REL) { 1701 vw->vw_flags &= ~VWF_SWWAIT_REL; 1702 if (release) { 1703 callout_drain(&vw->vw_proc_dead_timer); 1704 vt_late_window_switch(vw->vw_switch_to); 1705 } 1706 return (0); 1707 } 1708 return (EINVAL); 1709 } 1710 1711 static int 1712 finish_vt_acq(struct vt_window *vw) 1713 { 1714 1715 if (vw->vw_flags & VWF_SWWAIT_ACQ) { 1716 vw->vw_flags &= ~VWF_SWWAIT_ACQ; 1717 return (0); 1718 } 1719 return (EINVAL); 1720 } 1721 1722 #ifndef SC_NO_CUTPASTE 1723 static void 1724 vt_mouse_terminput_button(struct vt_device *vd, int button) 1725 { 1726 struct vt_window *vw; 1727 struct vt_font *vf; 1728 char mouseb[6] = "\x1B[M"; 1729 int i, x, y; 1730 1731 vw = vd->vd_curwindow; 1732 vf = vw->vw_font; 1733 1734 /* Translate to char position. */ 1735 x = vd->vd_mx / vf->vf_width; 1736 y = vd->vd_my / vf->vf_height; 1737 /* Avoid overflow. */ 1738 x = MIN(x, 255 - '!'); 1739 y = MIN(y, 255 - '!'); 1740 1741 mouseb[3] = ' ' + button; 1742 mouseb[4] = '!' + x; 1743 mouseb[5] = '!' + y; 1744 1745 for (i = 0; i < sizeof(mouseb); i++) 1746 terminal_input_char(vw->vw_terminal, mouseb[i]); 1747 } 1748 1749 static void 1750 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event, 1751 int cnt) 1752 { 1753 1754 switch (type) { 1755 case MOUSE_BUTTON_EVENT: 1756 if (cnt > 0) { 1757 /* Mouse button pressed. */ 1758 if (event & MOUSE_BUTTON1DOWN) 1759 vt_mouse_terminput_button(vd, 0); 1760 if (event & MOUSE_BUTTON2DOWN) 1761 vt_mouse_terminput_button(vd, 1); 1762 if (event & MOUSE_BUTTON3DOWN) 1763 vt_mouse_terminput_button(vd, 2); 1764 } else { 1765 /* Mouse button released. */ 1766 vt_mouse_terminput_button(vd, 3); 1767 } 1768 break; 1769 #ifdef notyet 1770 case MOUSE_MOTION_EVENT: 1771 if (mouse->u.data.z < 0) { 1772 /* Scroll up. */ 1773 sc_mouse_input_button(vd, 64); 1774 } else if (mouse->u.data.z > 0) { 1775 /* Scroll down. */ 1776 sc_mouse_input_button(vd, 65); 1777 } 1778 break; 1779 #endif 1780 } 1781 } 1782 1783 static void 1784 vt_mouse_paste() 1785 { 1786 term_char_t *buf; 1787 int i, len; 1788 1789 len = VD_PASTEBUFLEN(main_vd); 1790 buf = VD_PASTEBUF(main_vd); 1791 len /= sizeof(term_char_t); 1792 for (i = 0; i < len; i++) { 1793 if (buf[i] == '\0') 1794 continue; 1795 terminal_input_char(main_vd->vd_curwindow->vw_terminal, 1796 buf[i]); 1797 } 1798 } 1799 1800 void 1801 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel) 1802 { 1803 struct vt_device *vd; 1804 struct vt_window *vw; 1805 struct vt_font *vf; 1806 term_pos_t size; 1807 int len, mark; 1808 1809 vd = main_vd; 1810 vw = vd->vd_curwindow; 1811 vf = vw->vw_font; 1812 mark = 0; 1813 1814 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS)) 1815 /* 1816 * Either the mouse is disabled, or the window is in 1817 * "graphics mode". The graphics mode is usually set by 1818 * an X server, using the KDSETMODE ioctl. 1819 */ 1820 return; 1821 1822 if (vf == NULL) /* Text mode. */ 1823 return; 1824 1825 /* 1826 * TODO: add flag about pointer position changed, to not redraw chars 1827 * under mouse pointer when nothing changed. 1828 */ 1829 1830 if (vw->vw_mouse_level > 0) 1831 vt_mouse_terminput(vd, type, x, y, event, cnt); 1832 1833 switch (type) { 1834 case MOUSE_ACTION: 1835 case MOUSE_MOTION_EVENT: 1836 /* Movement */ 1837 x += vd->vd_mx; 1838 y += vd->vd_my; 1839 1840 vt_termsize(vd, vf, &size); 1841 1842 /* Apply limits. */ 1843 x = MAX(x, 0); 1844 y = MAX(y, 0); 1845 x = MIN(x, (size.tp_col * vf->vf_width) - 1); 1846 y = MIN(y, (size.tp_row * vf->vf_height) - 1); 1847 1848 vd->vd_mx = x; 1849 vd->vd_my = y; 1850 if (vd->vd_mstate & MOUSE_BUTTON1DOWN) 1851 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE, 1852 vd->vd_mx / vf->vf_width, 1853 vd->vd_my / vf->vf_height); 1854 1855 vt_resume_flush_timer(vw->vw_device, 0); 1856 return; /* Done */ 1857 case MOUSE_BUTTON_EVENT: 1858 /* Buttons */ 1859 break; 1860 default: 1861 return; /* Done */ 1862 } 1863 1864 switch (event) { 1865 case MOUSE_BUTTON1DOWN: 1866 switch (cnt % 4) { 1867 case 0: /* up */ 1868 mark = VTB_MARK_END; 1869 break; 1870 case 1: /* single click: start cut operation */ 1871 mark = VTB_MARK_START; 1872 break; 1873 case 2: /* double click: cut a word */ 1874 mark = VTB_MARK_WORD; 1875 break; 1876 case 3: /* triple click: cut a line */ 1877 mark = VTB_MARK_ROW; 1878 break; 1879 } 1880 break; 1881 case VT_MOUSE_PASTEBUTTON: 1882 switch (cnt) { 1883 case 0: /* up */ 1884 break; 1885 default: 1886 vt_mouse_paste(); 1887 break; 1888 } 1889 return; /* Done */ 1890 case VT_MOUSE_EXTENDBUTTON: 1891 switch (cnt) { 1892 case 0: /* up */ 1893 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN)) 1894 mark = VTB_MARK_EXTEND; 1895 else 1896 mark = 0; 1897 break; 1898 default: 1899 mark = VTB_MARK_EXTEND; 1900 break; 1901 } 1902 break; 1903 default: 1904 return; /* Done */ 1905 } 1906 1907 /* Save buttons state. */ 1908 if (cnt > 0) 1909 vd->vd_mstate |= event; 1910 else 1911 vd->vd_mstate &= ~event; 1912 1913 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width, 1914 vd->vd_my / vf->vf_height) == 1) { 1915 /* 1916 * We have something marked to copy, so update pointer to 1917 * window with selection. 1918 */ 1919 vt_resume_flush_timer(vw->vw_device, 0); 1920 1921 switch (mark) { 1922 case VTB_MARK_END: 1923 case VTB_MARK_WORD: 1924 case VTB_MARK_ROW: 1925 case VTB_MARK_EXTEND: 1926 break; 1927 default: 1928 /* Other types of mark do not require to copy data. */ 1929 return; 1930 } 1931 1932 /* Get current selection size in bytes. */ 1933 len = vtbuf_get_marked_len(&vw->vw_buf); 1934 if (len <= 0) 1935 return; 1936 1937 /* Reallocate buffer only if old one is too small. */ 1938 if (len > VD_PASTEBUFSZ(vd)) { 1939 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT, 1940 M_WAITOK | M_ZERO); 1941 /* Update buffer size. */ 1942 VD_PASTEBUFSZ(vd) = len; 1943 } 1944 /* Request copy/paste buffer data, no more than `len' */ 1945 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd), 1946 VD_PASTEBUFSZ(vd)); 1947 1948 VD_PASTEBUFLEN(vd) = len; 1949 1950 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */ 1951 } 1952 } 1953 1954 void 1955 vt_mouse_state(int show) 1956 { 1957 struct vt_device *vd; 1958 struct vt_window *vw; 1959 1960 vd = main_vd; 1961 vw = vd->vd_curwindow; 1962 1963 switch (show) { 1964 case VT_MOUSE_HIDE: 1965 vw->vw_flags |= VWF_MOUSE_HIDE; 1966 break; 1967 case VT_MOUSE_SHOW: 1968 vw->vw_flags &= ~VWF_MOUSE_HIDE; 1969 break; 1970 } 1971 1972 /* Mark mouse position as dirty. */ 1973 vt_mark_mouse_position_as_dirty(vd); 1974 vt_resume_flush_timer(vw->vw_device, 0); 1975 } 1976 #endif 1977 1978 static int 1979 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr, 1980 int nprot, vm_memattr_t *memattr) 1981 { 1982 struct vt_window *vw = tm->tm_softc; 1983 struct vt_device *vd = vw->vw_device; 1984 1985 if (vd->vd_driver->vd_fb_mmap) 1986 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot, 1987 memattr)); 1988 1989 return (ENXIO); 1990 } 1991 1992 static int 1993 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data, 1994 struct thread *td) 1995 { 1996 struct vt_window *vw = tm->tm_softc; 1997 struct vt_device *vd = vw->vw_device; 1998 keyboard_t *kbd; 1999 int error, i, s; 2000 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 2001 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 2002 int ival; 2003 2004 switch (cmd) { 2005 case _IO('v', 4): 2006 cmd = VT_RELDISP; 2007 break; 2008 case _IO('v', 5): 2009 cmd = VT_ACTIVATE; 2010 break; 2011 case _IO('v', 6): 2012 cmd = VT_WAITACTIVE; 2013 break; 2014 case _IO('K', 20): 2015 cmd = KDSKBSTATE; 2016 break; 2017 case _IO('K', 67): 2018 cmd = KDSETRAD; 2019 break; 2020 case _IO('K', 7): 2021 cmd = KDSKBMODE; 2022 break; 2023 case _IO('K', 8): 2024 cmd = KDMKTONE; 2025 break; 2026 case _IO('K', 63): 2027 cmd = KIOCSOUND; 2028 break; 2029 case _IO('K', 66): 2030 cmd = KDSETLED; 2031 break; 2032 case _IO('c', 110): 2033 cmd = CONS_SETKBD; 2034 break; 2035 default: 2036 goto skip_thunk; 2037 } 2038 ival = IOCPARM_IVAL(data); 2039 data = (caddr_t)&ival; 2040 skip_thunk: 2041 #endif 2042 2043 switch (cmd) { 2044 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 2045 if (*(int *)data & ~0x7f) 2046 return (EINVAL); 2047 /* FALLTHROUGH */ 2048 case GIO_KEYMAP: 2049 case PIO_KEYMAP: 2050 case GIO_DEADKEYMAP: 2051 case PIO_DEADKEYMAP: 2052 case GETFKEY: 2053 case SETFKEY: 2054 case KDGKBINFO: 2055 case KDGKBTYPE: 2056 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 2057 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 2058 case KBADDKBD: /* add/remove keyboard to/from mux */ 2059 case KBRELKBD: { 2060 error = 0; 2061 2062 mtx_lock(&Giant); 2063 kbd = kbd_get_keyboard(vd->vd_keyboard); 2064 if (kbd != NULL) 2065 error = kbdd_ioctl(kbd, cmd, data); 2066 mtx_unlock(&Giant); 2067 if (error == ENOIOCTL) { 2068 if (cmd == KDGKBTYPE) { 2069 /* always return something? XXX */ 2070 *(int *)data = 0; 2071 } else { 2072 return (ENODEV); 2073 } 2074 } 2075 return (error); 2076 } 2077 case KDGKBSTATE: { /* get keyboard state (locks) */ 2078 error = 0; 2079 2080 if (vw == vd->vd_curwindow) { 2081 mtx_lock(&Giant); 2082 kbd = kbd_get_keyboard(vd->vd_keyboard); 2083 if (kbd != NULL) 2084 error = vt_save_kbd_state(vw, kbd); 2085 mtx_unlock(&Giant); 2086 2087 if (error != 0) 2088 return (error); 2089 } 2090 2091 *(int *)data = vw->vw_kbdstate & LOCK_MASK; 2092 2093 return (error); 2094 } 2095 case KDSKBSTATE: { /* set keyboard state (locks) */ 2096 int state; 2097 2098 state = *(int *)data; 2099 if (state & ~LOCK_MASK) 2100 return (EINVAL); 2101 2102 vw->vw_kbdstate &= ~LOCK_MASK; 2103 vw->vw_kbdstate |= state; 2104 2105 error = 0; 2106 if (vw == vd->vd_curwindow) { 2107 mtx_lock(&Giant); 2108 kbd = kbd_get_keyboard(vd->vd_keyboard); 2109 if (kbd != NULL) 2110 error = vt_update_kbd_state(vw, kbd); 2111 mtx_unlock(&Giant); 2112 } 2113 2114 return (error); 2115 } 2116 case KDGETLED: { /* get keyboard LED status */ 2117 error = 0; 2118 2119 if (vw == vd->vd_curwindow) { 2120 mtx_lock(&Giant); 2121 kbd = kbd_get_keyboard(vd->vd_keyboard); 2122 if (kbd != NULL) 2123 error = vt_save_kbd_leds(vw, kbd); 2124 mtx_unlock(&Giant); 2125 2126 if (error != 0) 2127 return (error); 2128 } 2129 2130 *(int *)data = vw->vw_kbdstate & LED_MASK; 2131 2132 return (error); 2133 } 2134 case KDSETLED: { /* set keyboard LED status */ 2135 int leds; 2136 2137 leds = *(int *)data; 2138 if (leds & ~LED_MASK) 2139 return (EINVAL); 2140 2141 vw->vw_kbdstate &= ~LED_MASK; 2142 vw->vw_kbdstate |= leds; 2143 2144 error = 0; 2145 if (vw == vd->vd_curwindow) { 2146 mtx_lock(&Giant); 2147 kbd = kbd_get_keyboard(vd->vd_keyboard); 2148 if (kbd != NULL) 2149 error = vt_update_kbd_leds(vw, kbd); 2150 mtx_unlock(&Giant); 2151 } 2152 2153 return (error); 2154 } 2155 case KDGKBMODE: { 2156 error = 0; 2157 2158 if (vw == vd->vd_curwindow) { 2159 mtx_lock(&Giant); 2160 kbd = kbd_get_keyboard(vd->vd_keyboard); 2161 if (kbd != NULL) 2162 error = vt_save_kbd_mode(vw, kbd); 2163 mtx_unlock(&Giant); 2164 2165 if (error != 0) 2166 return (error); 2167 } 2168 2169 *(int *)data = vw->vw_kbdmode; 2170 2171 return (error); 2172 } 2173 case KDSKBMODE: { 2174 int mode; 2175 2176 mode = *(int *)data; 2177 switch (mode) { 2178 case K_XLATE: 2179 case K_RAW: 2180 case K_CODE: 2181 vw->vw_kbdmode = mode; 2182 2183 error = 0; 2184 if (vw == vd->vd_curwindow) { 2185 mtx_lock(&Giant); 2186 kbd = kbd_get_keyboard(vd->vd_keyboard); 2187 if (kbd != NULL) 2188 error = vt_update_kbd_mode(vw, kbd); 2189 mtx_unlock(&Giant); 2190 } 2191 2192 return (error); 2193 default: 2194 return (EINVAL); 2195 } 2196 } 2197 case FBIOGTYPE: 2198 case FBIO_GETWINORG: /* get frame buffer window origin */ 2199 case FBIO_GETDISPSTART: /* get display start address */ 2200 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 2201 case FBIO_BLANK: /* blank display */ 2202 if (vd->vd_driver->vd_fb_ioctl) 2203 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td)); 2204 break; 2205 case CONS_BLANKTIME: 2206 /* XXX */ 2207 return (0); 2208 case CONS_GET: 2209 /* XXX */ 2210 *(int *)data = M_CG640x480; 2211 return (0); 2212 case CONS_BELLTYPE: /* set bell type sound */ 2213 if ((*(int *)data) & CONS_QUIET_BELL) 2214 vd->vd_flags |= VDF_QUIET_BELL; 2215 else 2216 vd->vd_flags &= ~VDF_QUIET_BELL; 2217 return (0); 2218 case CONS_GETINFO: { 2219 vid_info_t *vi = (vid_info_t *)data; 2220 if (vi->size != sizeof(struct vid_info)) 2221 return (EINVAL); 2222 2223 if (vw == vd->vd_curwindow) { 2224 mtx_lock(&Giant); 2225 kbd = kbd_get_keyboard(vd->vd_keyboard); 2226 if (kbd != NULL) 2227 vt_save_kbd_state(vw, kbd); 2228 mtx_unlock(&Giant); 2229 } 2230 2231 vi->m_num = vd->vd_curwindow->vw_number + 1; 2232 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK; 2233 /* XXX: other fields! */ 2234 return (0); 2235 } 2236 case CONS_GETVERS: 2237 *(int *)data = 0x200; 2238 return (0); 2239 case CONS_MODEINFO: 2240 /* XXX */ 2241 return (0); 2242 case CONS_MOUSECTL: { 2243 mouse_info_t *mouse = (mouse_info_t*)data; 2244 2245 /* 2246 * All the commands except MOUSE_SHOW nd MOUSE_HIDE 2247 * should not be applied to individual TTYs, but only to 2248 * consolectl. 2249 */ 2250 switch (mouse->operation) { 2251 case MOUSE_HIDE: 2252 if (vd->vd_flags & VDF_MOUSECURSOR) { 2253 vd->vd_flags &= ~VDF_MOUSECURSOR; 2254 #ifndef SC_NO_CUTPASTE 2255 vt_mouse_state(VT_MOUSE_HIDE); 2256 #endif 2257 } 2258 return (0); 2259 case MOUSE_SHOW: 2260 if (!(vd->vd_flags & VDF_MOUSECURSOR)) { 2261 vd->vd_flags |= VDF_MOUSECURSOR; 2262 vd->vd_mx = vd->vd_width / 2; 2263 vd->vd_my = vd->vd_height / 2; 2264 #ifndef SC_NO_CUTPASTE 2265 vt_mouse_state(VT_MOUSE_SHOW); 2266 #endif 2267 } 2268 return (0); 2269 default: 2270 return (EINVAL); 2271 } 2272 } 2273 case PIO_VFONT: { 2274 struct vt_font *vf; 2275 2276 if (vd->vd_flags & VDF_TEXTMODE) 2277 return (ENOTSUP); 2278 2279 error = vtfont_load((void *)data, &vf); 2280 if (error != 0) 2281 return (error); 2282 2283 error = vt_change_font(vw, vf); 2284 vtfont_unref(vf); 2285 return (error); 2286 } 2287 case PIO_VFONT_DEFAULT: { 2288 /* Reset to default font. */ 2289 error = vt_change_font(vw, &vt_font_default); 2290 return (error); 2291 } 2292 case GIO_SCRNMAP: { 2293 scrmap_t *sm = (scrmap_t *)data; 2294 2295 /* We don't have screen maps, so return a handcrafted one. */ 2296 for (i = 0; i < 256; i++) 2297 sm->scrmap[i] = i; 2298 return (0); 2299 } 2300 case KDSETMODE: 2301 /* 2302 * FIXME: This implementation is incomplete compared to 2303 * syscons. 2304 */ 2305 switch (*(int *)data) { 2306 case KD_TEXT: 2307 case KD_TEXT1: 2308 case KD_PIXEL: 2309 vw->vw_flags &= ~VWF_GRAPHICS; 2310 break; 2311 case KD_GRAPHICS: 2312 vw->vw_flags |= VWF_GRAPHICS; 2313 break; 2314 } 2315 return (0); 2316 case KDENABIO: /* allow io operations */ 2317 error = priv_check(td, PRIV_IO); 2318 if (error != 0) 2319 return (error); 2320 error = securelevel_gt(td->td_ucred, 0); 2321 if (error != 0) 2322 return (error); 2323 #if defined(__i386__) 2324 td->td_frame->tf_eflags |= PSL_IOPL; 2325 #elif defined(__amd64__) 2326 td->td_frame->tf_rflags |= PSL_IOPL; 2327 #endif 2328 return (0); 2329 case KDDISABIO: /* disallow io operations (default) */ 2330 #if defined(__i386__) 2331 td->td_frame->tf_eflags &= ~PSL_IOPL; 2332 #elif defined(__amd64__) 2333 td->td_frame->tf_rflags &= ~PSL_IOPL; 2334 #endif 2335 return (0); 2336 case KDMKTONE: /* sound the bell */ 2337 vtterm_beep(tm, *(u_int *)data); 2338 return (0); 2339 case KIOCSOUND: /* make tone (*data) hz */ 2340 /* TODO */ 2341 return (0); 2342 case CONS_SETKBD: /* set the new keyboard */ 2343 mtx_lock(&Giant); 2344 error = 0; 2345 if (vd->vd_keyboard != *(int *)data) { 2346 kbd = kbd_get_keyboard(*(int *)data); 2347 if (kbd == NULL) { 2348 mtx_unlock(&Giant); 2349 return (EINVAL); 2350 } 2351 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, 2352 (void *)vd, vt_kbdevent, vd); 2353 if (i >= 0) { 2354 if (vd->vd_keyboard != -1) { 2355 kbd = kbd_get_keyboard(vd->vd_keyboard); 2356 vt_save_kbd_state(vd->vd_curwindow, kbd); 2357 kbd_release(kbd, (void *)vd); 2358 } 2359 kbd = kbd_get_keyboard(i); 2360 vd->vd_keyboard = i; 2361 2362 vt_update_kbd_mode(vd->vd_curwindow, kbd); 2363 vt_update_kbd_state(vd->vd_curwindow, kbd); 2364 } else { 2365 error = EPERM; /* XXX */ 2366 } 2367 } 2368 mtx_unlock(&Giant); 2369 return (error); 2370 case CONS_RELKBD: /* release the current keyboard */ 2371 mtx_lock(&Giant); 2372 error = 0; 2373 if (vd->vd_keyboard != -1) { 2374 kbd = kbd_get_keyboard(vd->vd_keyboard); 2375 if (kbd == NULL) { 2376 mtx_unlock(&Giant); 2377 return (EINVAL); 2378 } 2379 vt_save_kbd_state(vd->vd_curwindow, kbd); 2380 error = kbd_release(kbd, (void *)vd); 2381 if (error == 0) { 2382 vd->vd_keyboard = -1; 2383 } 2384 } 2385 mtx_unlock(&Giant); 2386 return (error); 2387 case VT_ACTIVATE: { 2388 int win; 2389 win = *(int *)data - 1; 2390 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME, 2391 VT_UNIT(vw), win); 2392 if ((win >= VT_MAXWINDOWS) || (win < 0)) 2393 return (EINVAL); 2394 return (vt_proc_window_switch(vd->vd_windows[win])); 2395 } 2396 case VT_GETACTIVE: 2397 *(int *)data = vd->vd_curwindow->vw_number + 1; 2398 return (0); 2399 case VT_GETINDEX: 2400 *(int *)data = vw->vw_number + 1; 2401 return (0); 2402 case VT_LOCKSWITCH: 2403 /* TODO: Check current state, switching can be in progress. */ 2404 if ((*(int *)data) == 0x01) 2405 vw->vw_flags |= VWF_VTYLOCK; 2406 else if ((*(int *)data) == 0x02) 2407 vw->vw_flags &= ~VWF_VTYLOCK; 2408 else 2409 return (EINVAL); 2410 return (0); 2411 case VT_OPENQRY: 2412 VT_LOCK(vd); 2413 for (i = 0; i < VT_MAXWINDOWS; i++) { 2414 vw = vd->vd_windows[i]; 2415 if (vw == NULL) 2416 continue; 2417 if (!(vw->vw_flags & VWF_OPENED)) { 2418 *(int *)data = vw->vw_number + 1; 2419 VT_UNLOCK(vd); 2420 return (0); 2421 } 2422 } 2423 VT_UNLOCK(vd); 2424 return (EINVAL); 2425 case VT_WAITACTIVE: { 2426 unsigned int idx; 2427 2428 error = 0; 2429 2430 idx = *(unsigned int *)data; 2431 if (idx > VT_MAXWINDOWS) 2432 return (EINVAL); 2433 if (idx > 0) 2434 vw = vd->vd_windows[idx - 1]; 2435 2436 VT_LOCK(vd); 2437 while (vd->vd_curwindow != vw && error == 0) 2438 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2439 VT_UNLOCK(vd); 2440 return (error); 2441 } 2442 case VT_SETMODE: { /* set screen switcher mode */ 2443 struct vt_mode *mode; 2444 struct proc *p1; 2445 2446 mode = (struct vt_mode *)data; 2447 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw)); 2448 if (vw->vw_smode.mode == VT_PROCESS) { 2449 p1 = pfind(vw->vw_pid); 2450 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) { 2451 if (p1) 2452 PROC_UNLOCK(p1); 2453 DPRINTF(5, "error EPERM\n"); 2454 return (EPERM); 2455 } 2456 if (p1) 2457 PROC_UNLOCK(p1); 2458 } 2459 if (mode->mode == VT_AUTO) { 2460 vw->vw_smode.mode = VT_AUTO; 2461 vw->vw_proc = NULL; 2462 vw->vw_pid = 0; 2463 DPRINTF(5, "VT_AUTO, "); 2464 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2465 cnavailable(vw->vw_terminal->consdev, TRUE); 2466 /* were we in the middle of the vty switching process? */ 2467 if (finish_vt_rel(vw, TRUE, &s) == 0) 2468 DPRINTF(5, "reset WAIT_REL, "); 2469 if (finish_vt_acq(vw) == 0) 2470 DPRINTF(5, "reset WAIT_ACQ, "); 2471 return (0); 2472 } else if (mode->mode == VT_PROCESS) { 2473 if (!ISSIGVALID(mode->relsig) || 2474 !ISSIGVALID(mode->acqsig) || 2475 !ISSIGVALID(mode->frsig)) { 2476 DPRINTF(5, "error EINVAL\n"); 2477 return (EINVAL); 2478 } 2479 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid); 2480 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode)); 2481 vw->vw_proc = td->td_proc; 2482 vw->vw_pid = vw->vw_proc->p_pid; 2483 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2484 cnavailable(vw->vw_terminal->consdev, FALSE); 2485 } else { 2486 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n", 2487 mode->mode); 2488 return (EINVAL); 2489 } 2490 DPRINTF(5, "\n"); 2491 return (0); 2492 } 2493 case VT_GETMODE: /* get screen switcher mode */ 2494 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode)); 2495 return (0); 2496 2497 case VT_RELDISP: /* screen switcher ioctl */ 2498 /* 2499 * This must be the current vty which is in the VT_PROCESS 2500 * switching mode... 2501 */ 2502 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode != 2503 VT_PROCESS)) { 2504 return (EINVAL); 2505 } 2506 /* ...and this process is controlling it. */ 2507 if (vw->vw_proc != td->td_proc) { 2508 return (EPERM); 2509 } 2510 error = EINVAL; 2511 switch(*(int *)data) { 2512 case VT_FALSE: /* user refuses to release screen, abort */ 2513 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0) 2514 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n", 2515 SC_DRIVER_NAME, VT_UNIT(vw)); 2516 break; 2517 case VT_TRUE: /* user has released screen, go on */ 2518 /* finish_vt_rel(..., TRUE, ...) should not be locked */ 2519 if (vw->vw_flags & VWF_SWWAIT_REL) { 2520 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0) 2521 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n", 2522 SC_DRIVER_NAME, VT_UNIT(vw)); 2523 } else { 2524 error = EINVAL; 2525 } 2526 return (error); 2527 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 2528 if ((error = finish_vt_acq(vw)) == 0) 2529 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n", 2530 SC_DRIVER_NAME, VT_UNIT(vw)); 2531 break; 2532 default: 2533 break; 2534 } 2535 return (error); 2536 } 2537 2538 return (ENOIOCTL); 2539 } 2540 2541 static struct vt_window * 2542 vt_allocate_window(struct vt_device *vd, unsigned int window) 2543 { 2544 struct vt_window *vw; 2545 struct terminal *tm; 2546 term_pos_t size; 2547 struct winsize wsz; 2548 2549 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO); 2550 vw->vw_device = vd; 2551 vw->vw_number = window; 2552 vw->vw_kbdmode = K_XLATE; 2553 2554 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 2555 vw->vw_font = vtfont_ref(&vt_font_default); 2556 vt_compute_drawable_area(vw); 2557 } 2558 2559 vt_termsize(vd, vw->vw_font, &size); 2560 vt_winsize(vd, vw->vw_font, &wsz); 2561 vtbuf_init(&vw->vw_buf, &size); 2562 2563 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw); 2564 terminal_set_winsize(tm, &wsz); 2565 vd->vd_windows[window] = vw; 2566 callout_init(&vw->vw_proc_dead_timer, 0); 2567 2568 return (vw); 2569 } 2570 2571 void 2572 vt_upgrade(struct vt_device *vd) 2573 { 2574 struct vt_window *vw; 2575 unsigned int i; 2576 int register_handlers; 2577 2578 if (!vty_enabled(VTY_VT)) 2579 return; 2580 if (main_vd->vd_driver == NULL) 2581 return; 2582 2583 for (i = 0; i < VT_MAXWINDOWS; i++) { 2584 vw = vd->vd_windows[i]; 2585 if (vw == NULL) { 2586 /* New window. */ 2587 vw = vt_allocate_window(vd, i); 2588 } 2589 if (!(vw->vw_flags & VWF_READY)) { 2590 callout_init(&vw->vw_proc_dead_timer, 0); 2591 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw)); 2592 vw->vw_flags |= VWF_READY; 2593 if (vw->vw_flags & VWF_CONSOLE) { 2594 /* For existing console window. */ 2595 EVENTHANDLER_REGISTER(shutdown_pre_sync, 2596 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT); 2597 } 2598 } 2599 2600 } 2601 VT_LOCK(vd); 2602 if (vd->vd_curwindow == NULL) 2603 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW]; 2604 2605 register_handlers = 0; 2606 if (!(vd->vd_flags & VDF_ASYNC)) { 2607 /* Attach keyboard. */ 2608 vt_allocate_keyboard(vd); 2609 2610 /* Init 25 Hz timer. */ 2611 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0); 2612 2613 /* 2614 * Start timer when everything ready. 2615 * Note that the operations here are purposefully ordered. 2616 * We need to ensure vd_timer_armed is non-zero before we set 2617 * the VDF_ASYNC flag. That prevents this function from 2618 * racing with vt_resume_flush_timer() to update the 2619 * callout structure. 2620 */ 2621 atomic_add_acq_int(&vd->vd_timer_armed, 1); 2622 vd->vd_flags |= VDF_ASYNC; 2623 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd); 2624 register_handlers = 1; 2625 } 2626 2627 VT_UNLOCK(vd); 2628 2629 /* Refill settings with new sizes. */ 2630 vt_resize(vd); 2631 2632 if (register_handlers) { 2633 /* Register suspend/resume handlers. */ 2634 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler, 2635 vd, EVENTHANDLER_PRI_ANY); 2636 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd, 2637 EVENTHANDLER_PRI_ANY); 2638 } 2639 } 2640 2641 static void 2642 vt_resize(struct vt_device *vd) 2643 { 2644 struct vt_window *vw; 2645 int i; 2646 2647 for (i = 0; i < VT_MAXWINDOWS; i++) { 2648 vw = vd->vd_windows[i]; 2649 VT_LOCK(vd); 2650 /* Assign default font to window, if not textmode. */ 2651 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL) 2652 vw->vw_font = vtfont_ref(&vt_font_default); 2653 VT_UNLOCK(vd); 2654 2655 /* Resize terminal windows */ 2656 while (vt_change_font(vw, vw->vw_font) == EBUSY) { 2657 DPRINTF(100, "%s: vt_change_font() is busy, " 2658 "window %d\n", __func__, i); 2659 } 2660 } 2661 } 2662 2663 static void 2664 vt_replace_backend(const struct vt_driver *drv, void *softc) 2665 { 2666 struct vt_device *vd; 2667 2668 vd = main_vd; 2669 2670 if (vd->vd_flags & VDF_ASYNC) { 2671 /* Stop vt_flush periodic task. */ 2672 VT_LOCK(vd); 2673 vt_suspend_flush_timer(vd); 2674 VT_UNLOCK(vd); 2675 /* 2676 * Mute current terminal until we done. vt_change_font (called 2677 * from vt_resize) will unmute it. 2678 */ 2679 terminal_mute(vd->vd_curwindow->vw_terminal, 1); 2680 } 2681 2682 /* 2683 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will 2684 * set it. 2685 */ 2686 VT_LOCK(vd); 2687 vd->vd_flags &= ~VDF_TEXTMODE; 2688 2689 if (drv != NULL) { 2690 /* 2691 * We want to upgrade from the current driver to the 2692 * given driver. 2693 */ 2694 2695 vd->vd_prev_driver = vd->vd_driver; 2696 vd->vd_prev_softc = vd->vd_softc; 2697 vd->vd_driver = drv; 2698 vd->vd_softc = softc; 2699 2700 vd->vd_driver->vd_init(vd); 2701 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) { 2702 /* 2703 * No driver given: we want to downgrade to the previous 2704 * driver. 2705 */ 2706 const struct vt_driver *old_drv; 2707 void *old_softc; 2708 2709 old_drv = vd->vd_driver; 2710 old_softc = vd->vd_softc; 2711 2712 vd->vd_driver = vd->vd_prev_driver; 2713 vd->vd_softc = vd->vd_prev_softc; 2714 vd->vd_prev_driver = NULL; 2715 vd->vd_prev_softc = NULL; 2716 2717 vd->vd_flags |= VDF_DOWNGRADE; 2718 2719 vd->vd_driver->vd_init(vd); 2720 2721 if (old_drv->vd_fini) 2722 old_drv->vd_fini(vd, old_softc); 2723 2724 vd->vd_flags &= ~VDF_DOWNGRADE; 2725 } 2726 2727 VT_UNLOCK(vd); 2728 2729 /* Update windows sizes and initialize last items. */ 2730 vt_upgrade(vd); 2731 2732 #ifdef DEV_SPLASH 2733 if (vd->vd_flags & VDF_SPLASH) 2734 vtterm_splash(vd); 2735 #endif 2736 2737 if (vd->vd_flags & VDF_ASYNC) { 2738 /* Allow to put chars now. */ 2739 terminal_mute(vd->vd_curwindow->vw_terminal, 0); 2740 /* Rerun timer for screen updates. */ 2741 vt_resume_flush_timer(vd, 0); 2742 } 2743 2744 /* 2745 * Register as console. If it already registered, cnadd() will ignore 2746 * it. 2747 */ 2748 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal); 2749 } 2750 2751 static void 2752 vt_suspend_handler(void *priv) 2753 { 2754 struct vt_device *vd; 2755 2756 vd = priv; 2757 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL) 2758 vd->vd_driver->vd_suspend(vd); 2759 } 2760 2761 static void 2762 vt_resume_handler(void *priv) 2763 { 2764 struct vt_device *vd; 2765 2766 vd = priv; 2767 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL) 2768 vd->vd_driver->vd_resume(vd); 2769 } 2770 2771 void 2772 vt_allocate(const struct vt_driver *drv, void *softc) 2773 { 2774 2775 if (!vty_enabled(VTY_VT)) 2776 return; 2777 2778 if (main_vd->vd_driver == NULL) { 2779 main_vd->vd_driver = drv; 2780 printf("VT: initialize with new VT driver \"%s\".\n", 2781 drv->vd_name); 2782 } else { 2783 /* 2784 * Check if have rights to replace current driver. For example: 2785 * it is bad idea to replace KMS driver with generic VGA one. 2786 */ 2787 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) { 2788 printf("VT: Driver priority %d too low. Current %d\n ", 2789 drv->vd_priority, main_vd->vd_driver->vd_priority); 2790 return; 2791 } 2792 printf("VT: Replacing driver \"%s\" with new \"%s\".\n", 2793 main_vd->vd_driver->vd_name, drv->vd_name); 2794 } 2795 2796 vt_replace_backend(drv, softc); 2797 } 2798 2799 void 2800 vt_deallocate(const struct vt_driver *drv, void *softc) 2801 { 2802 2803 if (!vty_enabled(VTY_VT)) 2804 return; 2805 2806 if (main_vd->vd_prev_driver == NULL || 2807 main_vd->vd_driver != drv || 2808 main_vd->vd_softc != softc) 2809 return; 2810 2811 printf("VT: Switching back from \"%s\" to \"%s\".\n", 2812 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name); 2813 2814 vt_replace_backend(NULL, NULL); 2815 } 2816 2817 void 2818 vt_suspend(struct vt_device *vd) 2819 { 2820 int error; 2821 2822 if (vt_suspendswitch == 0) 2823 return; 2824 /* Save current window. */ 2825 vd->vd_savedwindow = vd->vd_curwindow; 2826 /* Ask holding process to free window and switch to console window */ 2827 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]); 2828 2829 /* Wait for the window switch to complete. */ 2830 error = 0; 2831 VT_LOCK(vd); 2832 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0) 2833 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2834 VT_UNLOCK(vd); 2835 } 2836 2837 void 2838 vt_resume(struct vt_device *vd) 2839 { 2840 2841 if (vt_suspendswitch == 0) 2842 return; 2843 /* Switch back to saved window, if any */ 2844 vt_proc_window_switch(vd->vd_savedwindow); 2845 vd->vd_savedwindow = NULL; 2846 } 2847