1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009, 2013 The FreeBSD Foundation 5 * All rights reserved. 6 * 7 * This software was developed by Ed Schouten under sponsorship from the 8 * FreeBSD Foundation. 9 * 10 * Portions of this software were developed by Oleksandr Rybalko 11 * under sponsorship from the FreeBSD Foundation. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <sys/param.h> 39 #include <sys/consio.h> 40 #include <sys/eventhandler.h> 41 #include <sys/fbio.h> 42 #include <sys/kbio.h> 43 #include <sys/kdb.h> 44 #include <sys/kernel.h> 45 #include <sys/lock.h> 46 #include <sys/malloc.h> 47 #include <sys/mutex.h> 48 #include <sys/power.h> 49 #include <sys/priv.h> 50 #include <sys/proc.h> 51 #include <sys/random.h> 52 #include <sys/reboot.h> 53 #include <sys/systm.h> 54 #include <sys/terminal.h> 55 56 #include <dev/kbd/kbdreg.h> 57 #include <dev/vt/vt.h> 58 59 #if defined(__i386__) || defined(__amd64__) 60 #include <machine/psl.h> 61 #include <machine/frame.h> 62 #endif 63 64 static tc_bell_t vtterm_bell; 65 static tc_cursor_t vtterm_cursor; 66 static tc_putchar_t vtterm_putchar; 67 static tc_fill_t vtterm_fill; 68 static tc_copy_t vtterm_copy; 69 static tc_pre_input_t vtterm_pre_input; 70 static tc_post_input_t vtterm_post_input; 71 static tc_param_t vtterm_param; 72 static tc_done_t vtterm_done; 73 74 static tc_cnprobe_t vtterm_cnprobe; 75 static tc_cngetc_t vtterm_cngetc; 76 77 static tc_cngrab_t vtterm_cngrab; 78 static tc_cnungrab_t vtterm_cnungrab; 79 80 static tc_opened_t vtterm_opened; 81 static tc_ioctl_t vtterm_ioctl; 82 static tc_mmap_t vtterm_mmap; 83 84 const struct terminal_class vt_termclass = { 85 .tc_bell = vtterm_bell, 86 .tc_cursor = vtterm_cursor, 87 .tc_putchar = vtterm_putchar, 88 .tc_fill = vtterm_fill, 89 .tc_copy = vtterm_copy, 90 .tc_pre_input = vtterm_pre_input, 91 .tc_post_input = vtterm_post_input, 92 .tc_param = vtterm_param, 93 .tc_done = vtterm_done, 94 95 .tc_cnprobe = vtterm_cnprobe, 96 .tc_cngetc = vtterm_cngetc, 97 98 .tc_cngrab = vtterm_cngrab, 99 .tc_cnungrab = vtterm_cnungrab, 100 101 .tc_opened = vtterm_opened, 102 .tc_ioctl = vtterm_ioctl, 103 .tc_mmap = vtterm_mmap, 104 }; 105 106 /* 107 * Use a constant timer of 25 Hz to redraw the screen. 108 * 109 * XXX: In theory we should only fire up the timer when there is really 110 * activity. Unfortunately we cannot always start timers. We really 111 * don't want to process kernel messages synchronously, because it 112 * really slows down the system. 113 */ 114 #define VT_TIMERFREQ 25 115 116 /* Bell pitch/duration. */ 117 #define VT_BELLDURATION ((5 * hz + 99) / 100) 118 #define VT_BELLPITCH 800 119 120 #define VT_UNIT(vw) ((vw)->vw_device->vd_unit * VT_MAXWINDOWS + \ 121 (vw)->vw_number) 122 123 static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD, 0, "vt(9) parameters"); 124 static VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)"); 125 static VT_SYSCTL_INT(enable_bell, 1, "Enable bell"); 126 static VT_SYSCTL_INT(debug, 0, "vt(9) debug level"); 127 static VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode"); 128 static VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend"); 129 130 /* Allow to disable some keyboard combinations. */ 131 static VT_SYSCTL_INT(kbd_halt, 1, "Enable halt keyboard combination. " 132 "See kbdmap(5) to configure."); 133 static VT_SYSCTL_INT(kbd_poweroff, 1, "Enable Power Off keyboard combination. " 134 "See kbdmap(5) to configure."); 135 static VT_SYSCTL_INT(kbd_reboot, 1, "Enable reboot keyboard combination. " 136 "See kbdmap(5) to configure (typically Ctrl-Alt-Delete)."); 137 static VT_SYSCTL_INT(kbd_debug, 1, "Enable key combination to enter debugger. " 138 "See kbdmap(5) to configure (typically Ctrl-Alt-Esc)."); 139 static VT_SYSCTL_INT(kbd_panic, 0, "Enable request to panic. " 140 "See kbdmap(5) to configure."); 141 142 /* Used internally, not a tunable. */ 143 int vt_draw_logo_cpus; 144 VT_SYSCTL_INT(splash_cpu, 0, "Show logo CPUs during boot"); 145 VT_SYSCTL_INT(splash_ncpu, 0, "Override number of logos displayed " 146 "(0 = do not override)"); 147 VT_SYSCTL_INT(splash_cpu_style, 2, "Draw logo style " 148 "(0 = Alternate beastie, 1 = Beastie, 2 = Orb)"); 149 VT_SYSCTL_INT(splash_cpu_duration, 10, "Hide logos after (seconds)"); 150 151 static unsigned int vt_unit = 0; 152 static MALLOC_DEFINE(M_VT, "vt", "vt device"); 153 struct vt_device *main_vd = &vt_consdev; 154 155 /* Boot logo. */ 156 extern unsigned int vt_logo_width; 157 extern unsigned int vt_logo_height; 158 extern unsigned int vt_logo_depth; 159 extern unsigned char vt_logo_image[]; 160 #ifndef DEV_SPLASH 161 #define vtterm_draw_cpu_logos(...) do {} while (0) 162 const unsigned int vt_logo_sprite_height; 163 #endif 164 165 /* Font. */ 166 extern struct vt_font vt_font_default; 167 #ifndef SC_NO_CUTPASTE 168 extern struct vt_mouse_cursor vt_default_mouse_pointer; 169 #endif 170 171 static int signal_vt_rel(struct vt_window *); 172 static int signal_vt_acq(struct vt_window *); 173 static int finish_vt_rel(struct vt_window *, int, int *); 174 static int finish_vt_acq(struct vt_window *); 175 static int vt_window_switch(struct vt_window *); 176 static int vt_late_window_switch(struct vt_window *); 177 static int vt_proc_alive(struct vt_window *); 178 static void vt_resize(struct vt_device *); 179 static void vt_update_static(void *); 180 #ifndef SC_NO_CUTPASTE 181 static void vt_mouse_paste(void); 182 #endif 183 static void vt_suspend_handler(void *priv); 184 static void vt_resume_handler(void *priv); 185 186 SET_DECLARE(vt_drv_set, struct vt_driver); 187 188 #define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_MAX_HEIGHT)) 189 #define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_MAX_WIDTH)) 190 191 struct terminal vt_consterm; 192 static struct vt_window vt_conswindow; 193 #ifndef SC_NO_CONSDRAWN 194 static term_char_t vt_consdrawn[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 195 static term_color_t vt_consdrawnfg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 196 static term_color_t vt_consdrawnbg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)]; 197 #endif 198 struct vt_device vt_consdev = { 199 .vd_driver = NULL, 200 .vd_softc = NULL, 201 .vd_prev_driver = NULL, 202 .vd_prev_softc = NULL, 203 .vd_flags = VDF_INVALID, 204 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, }, 205 .vd_curwindow = &vt_conswindow, 206 .vd_kbstate = 0, 207 208 #ifndef SC_NO_CUTPASTE 209 .vd_pastebuf = { 210 .vpb_buf = NULL, 211 .vpb_bufsz = 0, 212 .vpb_len = 0 213 }, 214 .vd_mcursor = &vt_default_mouse_pointer, 215 .vd_mcursor_fg = TC_WHITE, 216 .vd_mcursor_bg = TC_BLACK, 217 #endif 218 219 #ifndef SC_NO_CONSDRAWN 220 .vd_drawn = vt_consdrawn, 221 .vd_drawnfg = vt_consdrawnfg, 222 .vd_drawnbg = vt_consdrawnbg, 223 #endif 224 }; 225 static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)]; 226 static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE]; 227 static struct vt_window vt_conswindow = { 228 .vw_number = VT_CONSWINDOW, 229 .vw_flags = VWF_CONSOLE, 230 .vw_buf = { 231 .vb_buffer = &vt_constextbuf[0], 232 .vb_rows = &vt_constextbufrows[0], 233 .vb_history_size = VBF_DEFAULT_HISTORY_SIZE, 234 .vb_curroffset = 0, 235 .vb_roffset = 0, 236 .vb_flags = VBF_STATIC, 237 .vb_mark_start = {.tp_row = 0, .tp_col = 0,}, 238 .vb_mark_end = {.tp_row = 0, .tp_col = 0,}, 239 .vb_scr_size = { 240 .tp_row = _VTDEFH, 241 .tp_col = _VTDEFW, 242 }, 243 }, 244 .vw_device = &vt_consdev, 245 .vw_terminal = &vt_consterm, 246 .vw_kbdmode = K_XLATE, 247 .vw_grabbed = 0, 248 }; 249 struct terminal vt_consterm = { 250 .tm_class = &vt_termclass, 251 .tm_softc = &vt_conswindow, 252 .tm_flags = TF_CONS, 253 }; 254 static struct consdev vt_consterm_consdev = { 255 .cn_ops = &termcn_cnops, 256 .cn_arg = &vt_consterm, 257 .cn_name = "ttyv0", 258 }; 259 260 /* Add to set of consoles. */ 261 DATA_SET(cons_set, vt_consterm_consdev); 262 263 /* 264 * Right after kmem is done to allow early drivers to use locking and allocate 265 * memory. 266 */ 267 SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static, 268 &vt_consdev); 269 /* Delay until all devices attached, to not waste time. */ 270 SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade, 271 &vt_consdev); 272 273 /* Initialize locks/mem depended members. */ 274 static void 275 vt_update_static(void *dummy) 276 { 277 278 if (!vty_enabled(VTY_VT)) 279 return; 280 if (main_vd->vd_driver != NULL) 281 printf("VT(%s): %s %ux%u\n", main_vd->vd_driver->vd_name, 282 (main_vd->vd_flags & VDF_TEXTMODE) ? "text" : "resolution", 283 main_vd->vd_width, main_vd->vd_height); 284 else 285 printf("VT: init without driver.\n"); 286 287 mtx_init(&main_vd->vd_lock, "vtdev", NULL, MTX_DEF); 288 cv_init(&main_vd->vd_winswitch, "vtwswt"); 289 } 290 291 static void 292 vt_schedule_flush(struct vt_device *vd, int ms) 293 { 294 295 if (ms <= 0) 296 /* Default to initial value. */ 297 ms = 1000 / VT_TIMERFREQ; 298 299 callout_schedule(&vd->vd_timer, hz / (1000 / ms)); 300 } 301 302 void 303 vt_resume_flush_timer(struct vt_window *vw, int ms) 304 { 305 struct vt_device *vd = vw->vw_device; 306 307 if (vd->vd_curwindow != vw) 308 return; 309 310 if (!(vd->vd_flags & VDF_ASYNC) || 311 !atomic_cmpset_int(&vd->vd_timer_armed, 0, 1)) 312 return; 313 314 vt_schedule_flush(vd, ms); 315 } 316 317 static void 318 vt_suspend_flush_timer(struct vt_device *vd) 319 { 320 /* 321 * As long as this function is called locked, callout_stop() 322 * has the same effect like callout_drain() with regard to 323 * preventing the callback function from executing. 324 */ 325 VT_LOCK_ASSERT(vd, MA_OWNED); 326 327 if (!(vd->vd_flags & VDF_ASYNC) || 328 !atomic_cmpset_int(&vd->vd_timer_armed, 1, 0)) 329 return; 330 331 callout_stop(&vd->vd_timer); 332 } 333 334 static void 335 vt_switch_timer(void *arg) 336 { 337 338 vt_late_window_switch((struct vt_window *)arg); 339 } 340 341 static int 342 vt_save_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 343 { 344 int mode, ret; 345 346 mode = 0; 347 ret = kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode); 348 if (ret == ENOIOCTL) 349 ret = ENODEV; 350 if (ret != 0) 351 return (ret); 352 353 vw->vw_kbdmode = mode; 354 355 return (0); 356 } 357 358 static int 359 vt_update_kbd_mode(struct vt_window *vw, keyboard_t *kbd) 360 { 361 int ret; 362 363 ret = kbdd_ioctl(kbd, KDSKBMODE, (caddr_t)&vw->vw_kbdmode); 364 if (ret == ENOIOCTL) 365 ret = ENODEV; 366 367 return (ret); 368 } 369 370 static int 371 vt_save_kbd_state(struct vt_window *vw, keyboard_t *kbd) 372 { 373 int state, ret; 374 375 state = 0; 376 ret = kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state); 377 if (ret == ENOIOCTL) 378 ret = ENODEV; 379 if (ret != 0) 380 return (ret); 381 382 vw->vw_kbdstate &= ~LOCK_MASK; 383 vw->vw_kbdstate |= state & LOCK_MASK; 384 385 return (0); 386 } 387 388 static int 389 vt_update_kbd_state(struct vt_window *vw, keyboard_t *kbd) 390 { 391 int state, ret; 392 393 state = vw->vw_kbdstate & LOCK_MASK; 394 ret = kbdd_ioctl(kbd, KDSKBSTATE, (caddr_t)&state); 395 if (ret == ENOIOCTL) 396 ret = ENODEV; 397 398 return (ret); 399 } 400 401 static int 402 vt_save_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 403 { 404 int leds, ret; 405 406 leds = 0; 407 ret = kbdd_ioctl(kbd, KDGETLED, (caddr_t)&leds); 408 if (ret == ENOIOCTL) 409 ret = ENODEV; 410 if (ret != 0) 411 return (ret); 412 413 vw->vw_kbdstate &= ~LED_MASK; 414 vw->vw_kbdstate |= leds & LED_MASK; 415 416 return (0); 417 } 418 419 static int 420 vt_update_kbd_leds(struct vt_window *vw, keyboard_t *kbd) 421 { 422 int leds, ret; 423 424 leds = vw->vw_kbdstate & LED_MASK; 425 ret = kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 426 if (ret == ENOIOCTL) 427 ret = ENODEV; 428 429 return (ret); 430 } 431 432 static int 433 vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw) 434 { 435 436 DPRINTF(40, "%s\n", __func__); 437 curvw->vw_switch_to = vw; 438 /* Set timer to allow switch in case when process hang. */ 439 callout_reset(&vw->vw_proc_dead_timer, hz * vt_deadtimer, 440 vt_switch_timer, (void *)vw); 441 /* Notify process about vt switch attempt. */ 442 DPRINTF(30, "%s: Notify process.\n", __func__); 443 signal_vt_rel(curvw); 444 445 return (0); 446 } 447 448 static int 449 vt_window_postswitch(struct vt_window *vw) 450 { 451 452 signal_vt_acq(vw); 453 return (0); 454 } 455 456 /* vt_late_window_switch will done VT switching for regular case. */ 457 static int 458 vt_late_window_switch(struct vt_window *vw) 459 { 460 int ret; 461 462 callout_stop(&vw->vw_proc_dead_timer); 463 464 ret = vt_window_switch(vw); 465 if (ret) 466 return (ret); 467 468 /* Notify owner process about terminal availability. */ 469 if (vw->vw_smode.mode == VT_PROCESS) { 470 ret = vt_window_postswitch(vw); 471 } 472 return (ret); 473 } 474 475 /* Switch window. */ 476 static int 477 vt_proc_window_switch(struct vt_window *vw) 478 { 479 struct vt_window *curvw; 480 struct vt_device *vd; 481 int ret; 482 483 /* Prevent switching to NULL */ 484 if (vw == NULL) { 485 DPRINTF(30, "%s: Cannot switch: vw is NULL.", __func__); 486 return (EINVAL); 487 } 488 vd = vw->vw_device; 489 curvw = vd->vd_curwindow; 490 491 /* Check if virtual terminal is locked */ 492 if (curvw->vw_flags & VWF_VTYLOCK) 493 return (EBUSY); 494 495 /* Check if switch already in progress */ 496 if (curvw->vw_flags & VWF_SWWAIT_REL) { 497 /* Check if switching to same window */ 498 if (curvw->vw_switch_to == vw) { 499 DPRINTF(30, "%s: Switch in progress to same vw.", __func__); 500 return (0); /* success */ 501 } 502 DPRINTF(30, "%s: Switch in progress to different vw.", __func__); 503 return (EBUSY); 504 } 505 506 /* Avoid switching to already selected window */ 507 if (vw == curvw) { 508 DPRINTF(30, "%s: Cannot switch: vw == curvw.", __func__); 509 return (0); /* success */ 510 } 511 512 /* Ask current process permission to switch away. */ 513 if (curvw->vw_smode.mode == VT_PROCESS) { 514 DPRINTF(30, "%s: VT_PROCESS ", __func__); 515 if (vt_proc_alive(curvw) == FALSE) { 516 DPRINTF(30, "Dead. Cleaning."); 517 /* Dead */ 518 } else { 519 DPRINTF(30, "%s: Signaling process.\n", __func__); 520 /* Alive, try to ask him. */ 521 ret = vt_window_preswitch(vw, curvw); 522 /* Wait for process answer or timeout. */ 523 return (ret); 524 } 525 DPRINTF(30, "\n"); 526 } 527 528 ret = vt_late_window_switch(vw); 529 return (ret); 530 } 531 532 /* Switch window ignoring process locking. */ 533 static int 534 vt_window_switch(struct vt_window *vw) 535 { 536 struct vt_device *vd = vw->vw_device; 537 struct vt_window *curvw = vd->vd_curwindow; 538 keyboard_t *kbd; 539 540 if (kdb_active) { 541 /* 542 * When grabbing the console for the debugger, avoid 543 * locks as that can result in deadlock. While this 544 * could use try locks, that wouldn't really make a 545 * difference as there are sufficient barriers in 546 * debugger entry/exit to be equivalent to 547 * successfully try-locking here. 548 */ 549 if (curvw == vw) 550 return (0); 551 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) 552 return (EINVAL); 553 554 vd->vd_curwindow = vw; 555 vd->vd_flags |= VDF_INVALID; 556 if (vd->vd_driver->vd_postswitch) 557 vd->vd_driver->vd_postswitch(vd); 558 return (0); 559 } 560 561 VT_LOCK(vd); 562 if (curvw == vw) { 563 /* Nothing to do. */ 564 VT_UNLOCK(vd); 565 return (0); 566 } 567 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) { 568 VT_UNLOCK(vd); 569 return (EINVAL); 570 } 571 572 vt_suspend_flush_timer(vd); 573 574 vd->vd_curwindow = vw; 575 vd->vd_flags |= VDF_INVALID; 576 cv_broadcast(&vd->vd_winswitch); 577 VT_UNLOCK(vd); 578 579 if (vd->vd_driver->vd_postswitch) 580 vd->vd_driver->vd_postswitch(vd); 581 582 vt_resume_flush_timer(vw, 0); 583 584 /* Restore per-window keyboard mode. */ 585 mtx_lock(&Giant); 586 kbd = kbd_get_keyboard(vd->vd_keyboard); 587 if (kbd != NULL) { 588 if (curvw->vw_kbdmode == K_XLATE) 589 vt_save_kbd_state(curvw, kbd); 590 591 vt_update_kbd_mode(vw, kbd); 592 vt_update_kbd_state(vw, kbd); 593 } 594 mtx_unlock(&Giant); 595 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number); 596 597 return (0); 598 } 599 600 void 601 vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size) 602 { 603 604 size->tp_row = vd->vd_height; 605 if (vt_draw_logo_cpus) 606 size->tp_row -= vt_logo_sprite_height; 607 size->tp_col = vd->vd_width; 608 if (vf != NULL) { 609 size->tp_row /= vf->vf_height; 610 size->tp_col /= vf->vf_width; 611 } 612 } 613 614 static inline void 615 vt_termrect(struct vt_device *vd, struct vt_font *vf, term_rect_t *rect) 616 { 617 618 rect->tr_begin.tp_row = rect->tr_begin.tp_col = 0; 619 if (vt_draw_logo_cpus) 620 rect->tr_begin.tp_row = vt_logo_sprite_height; 621 622 rect->tr_end.tp_row = vd->vd_height; 623 rect->tr_end.tp_col = vd->vd_width; 624 625 if (vf != NULL) { 626 rect->tr_begin.tp_row = 627 howmany(rect->tr_begin.tp_row, vf->vf_height); 628 629 rect->tr_end.tp_row /= vf->vf_height; 630 rect->tr_end.tp_col /= vf->vf_width; 631 } 632 } 633 634 void 635 vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size) 636 { 637 638 size->ws_ypixel = vd->vd_height; 639 if (vt_draw_logo_cpus) 640 size->ws_ypixel -= vt_logo_sprite_height; 641 size->ws_row = size->ws_ypixel; 642 size->ws_col = size->ws_xpixel = vd->vd_width; 643 if (vf != NULL) { 644 size->ws_row /= vf->vf_height; 645 size->ws_col /= vf->vf_width; 646 } 647 } 648 649 void 650 vt_compute_drawable_area(struct vt_window *vw) 651 { 652 struct vt_device *vd; 653 struct vt_font *vf; 654 vt_axis_t height; 655 656 vd = vw->vw_device; 657 658 if (vw->vw_font == NULL) { 659 vw->vw_draw_area.tr_begin.tp_col = 0; 660 vw->vw_draw_area.tr_begin.tp_row = 0; 661 if (vt_draw_logo_cpus) 662 vw->vw_draw_area.tr_begin.tp_row = vt_logo_sprite_height; 663 vw->vw_draw_area.tr_end.tp_col = vd->vd_width; 664 vw->vw_draw_area.tr_end.tp_row = vd->vd_height; 665 return; 666 } 667 668 vf = vw->vw_font; 669 670 /* 671 * Compute the drawable area, so that the text is centered on 672 * the screen. 673 */ 674 675 height = vd->vd_height; 676 if (vt_draw_logo_cpus) 677 height -= vt_logo_sprite_height; 678 vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2; 679 vw->vw_draw_area.tr_begin.tp_row = (height % vf->vf_height) / 2; 680 if (vt_draw_logo_cpus) 681 vw->vw_draw_area.tr_begin.tp_row += vt_logo_sprite_height; 682 vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col + 683 rounddown(vd->vd_width, vf->vf_width); 684 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row + 685 rounddown(height, vf->vf_height); 686 } 687 688 static void 689 vt_scroll(struct vt_window *vw, int offset, int whence) 690 { 691 int diff; 692 term_pos_t size; 693 694 if ((vw->vw_flags & VWF_SCROLL) == 0) 695 return; 696 697 vt_termsize(vw->vw_device, vw->vw_font, &size); 698 699 diff = vthistory_seek(&vw->vw_buf, offset, whence); 700 if (diff) 701 vw->vw_device->vd_flags |= VDF_INVALID; 702 vt_resume_flush_timer(vw, 0); 703 } 704 705 static int 706 vt_machine_kbdevent(int c) 707 { 708 709 switch (c) { 710 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */ 711 if (vt_kbd_debug) 712 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger"); 713 return (1); 714 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */ 715 if (vt_kbd_halt) 716 shutdown_nice(RB_HALT); 717 return (1); 718 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */ 719 #ifndef SC_NO_CUTPASTE 720 /* Insert text from cut-paste buffer. */ 721 vt_mouse_paste(); 722 #endif 723 break; 724 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */ 725 if (vt_kbd_poweroff) 726 shutdown_nice(RB_HALT|RB_POWEROFF); 727 return (1); 728 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */ 729 /* 730 * Request to immediate panic if sysctl 731 * kern.vt.enable_panic_key allow it. 732 */ 733 if (vt_kbd_panic) 734 panic("Forced by the panic key"); 735 return (1); 736 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */ 737 if (vt_kbd_reboot) 738 shutdown_nice(RB_AUTOBOOT); 739 return (1); 740 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */ 741 /* Force activatation/deactivation of the screen saver. */ 742 /* TODO */ 743 return (1); 744 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */ 745 /* Put machine into Stand-By mode. */ 746 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 747 return (1); 748 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */ 749 /* Suspend machine. */ 750 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 751 return (1); 752 } 753 754 return (0); 755 } 756 757 static void 758 vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console) 759 { 760 struct vt_device *vd; 761 term_pos_t size; 762 763 vd = vw->vw_device; 764 /* Only special keys handled in ScrollLock mode */ 765 if ((c & SPCLKEY) == 0) 766 return; 767 768 c &= ~SPCLKEY; 769 770 if (console == 0) { 771 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 772 vw = vd->vd_windows[c - F_SCR]; 773 vt_proc_window_switch(vw); 774 return; 775 } 776 VT_LOCK(vd); 777 } 778 779 switch (c) { 780 case SLK: { 781 /* Turn scrolling off. */ 782 vt_scroll(vw, 0, VHS_END); 783 VTBUF_SLCK_DISABLE(&vw->vw_buf); 784 vw->vw_flags &= ~VWF_SCROLL; 785 break; 786 } 787 case FKEY | F(49): /* Home key. */ 788 vt_scroll(vw, 0, VHS_SET); 789 break; 790 case FKEY | F(50): /* Arrow up. */ 791 vt_scroll(vw, -1, VHS_CUR); 792 break; 793 case FKEY | F(51): /* Page up. */ 794 vt_termsize(vd, vw->vw_font, &size); 795 vt_scroll(vw, -size.tp_row, VHS_CUR); 796 break; 797 case FKEY | F(57): /* End key. */ 798 vt_scroll(vw, 0, VHS_END); 799 break; 800 case FKEY | F(58): /* Arrow down. */ 801 vt_scroll(vw, 1, VHS_CUR); 802 break; 803 case FKEY | F(59): /* Page down. */ 804 vt_termsize(vd, vw->vw_font, &size); 805 vt_scroll(vw, size.tp_row, VHS_CUR); 806 break; 807 } 808 809 if (console == 0) 810 VT_UNLOCK(vd); 811 } 812 813 static int 814 vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c) 815 { 816 struct vt_window *vw = vd->vd_curwindow; 817 818 random_harvest_queue(&c, sizeof(c), RANDOM_KEYBOARD); 819 #if VT_ALT_TO_ESC_HACK 820 if (c & RELKEY) { 821 switch (c & ~RELKEY) { 822 case (SPCLKEY | RALT): 823 if (vt_enable_altgr != 0) 824 break; 825 case (SPCLKEY | LALT): 826 vd->vd_kbstate &= ~ALKED; 827 } 828 /* Other keys ignored for RELKEY event. */ 829 return (0); 830 } else { 831 switch (c & ~RELKEY) { 832 case (SPCLKEY | RALT): 833 if (vt_enable_altgr != 0) 834 break; 835 case (SPCLKEY | LALT): 836 vd->vd_kbstate |= ALKED; 837 } 838 } 839 #else 840 if (c & RELKEY) 841 /* Other keys ignored for RELKEY event. */ 842 return (0); 843 #endif 844 845 if (vt_machine_kbdevent(c)) 846 return (0); 847 848 if (vw->vw_flags & VWF_SCROLL) { 849 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */); 850 /* Scroll mode keys handled, nothing to do more. */ 851 return (0); 852 } 853 854 if (c & SPCLKEY) { 855 c &= ~SPCLKEY; 856 857 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 858 vw = vd->vd_windows[c - F_SCR]; 859 vt_proc_window_switch(vw); 860 return (0); 861 } 862 863 switch (c) { 864 case NEXT: 865 /* Switch to next VT. */ 866 c = (vw->vw_number + 1) % VT_MAXWINDOWS; 867 vw = vd->vd_windows[c]; 868 vt_proc_window_switch(vw); 869 return (0); 870 case PREV: 871 /* Switch to previous VT. */ 872 c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS; 873 vw = vd->vd_windows[c]; 874 vt_proc_window_switch(vw); 875 return (0); 876 case SLK: { 877 vt_save_kbd_state(vw, kbd); 878 VT_LOCK(vd); 879 if (vw->vw_kbdstate & SLKED) { 880 /* Turn scrolling on. */ 881 vw->vw_flags |= VWF_SCROLL; 882 VTBUF_SLCK_ENABLE(&vw->vw_buf); 883 } else { 884 /* Turn scrolling off. */ 885 vw->vw_flags &= ~VWF_SCROLL; 886 VTBUF_SLCK_DISABLE(&vw->vw_buf); 887 vt_scroll(vw, 0, VHS_END); 888 } 889 VT_UNLOCK(vd); 890 break; 891 } 892 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3): 893 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6): 894 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9): 895 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12): 896 /* F1 through F12 keys. */ 897 terminal_input_special(vw->vw_terminal, 898 TKEY_F1 + c - (FKEY | F(1))); 899 break; 900 case FKEY | F(49): /* Home key. */ 901 terminal_input_special(vw->vw_terminal, TKEY_HOME); 902 break; 903 case FKEY | F(50): /* Arrow up. */ 904 terminal_input_special(vw->vw_terminal, TKEY_UP); 905 break; 906 case FKEY | F(51): /* Page up. */ 907 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP); 908 break; 909 case FKEY | F(53): /* Arrow left. */ 910 terminal_input_special(vw->vw_terminal, TKEY_LEFT); 911 break; 912 case FKEY | F(55): /* Arrow right. */ 913 terminal_input_special(vw->vw_terminal, TKEY_RIGHT); 914 break; 915 case FKEY | F(57): /* End key. */ 916 terminal_input_special(vw->vw_terminal, TKEY_END); 917 break; 918 case FKEY | F(58): /* Arrow down. */ 919 terminal_input_special(vw->vw_terminal, TKEY_DOWN); 920 break; 921 case FKEY | F(59): /* Page down. */ 922 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN); 923 break; 924 case FKEY | F(60): /* Insert key. */ 925 terminal_input_special(vw->vw_terminal, TKEY_INSERT); 926 break; 927 case FKEY | F(61): /* Delete key. */ 928 terminal_input_special(vw->vw_terminal, TKEY_DELETE); 929 break; 930 } 931 } else if (KEYFLAGS(c) == 0) { 932 /* Don't do UTF-8 conversion when doing raw mode. */ 933 if (vw->vw_kbdmode == K_XLATE) { 934 #if VT_ALT_TO_ESC_HACK 935 if (vd->vd_kbstate & ALKED) { 936 /* 937 * Prepend ESC sequence if one of ALT keys down. 938 */ 939 terminal_input_char(vw->vw_terminal, 0x1b); 940 } 941 #endif 942 #if defined(KDB) 943 kdb_alt_break(c, &vd->vd_altbrk); 944 #endif 945 terminal_input_char(vw->vw_terminal, KEYCHAR(c)); 946 } else 947 terminal_input_raw(vw->vw_terminal, c); 948 } 949 return (0); 950 } 951 952 static int 953 vt_kbdevent(keyboard_t *kbd, int event, void *arg) 954 { 955 struct vt_device *vd = arg; 956 int c; 957 958 switch (event) { 959 case KBDIO_KEYINPUT: 960 break; 961 case KBDIO_UNLOADING: 962 mtx_lock(&Giant); 963 vd->vd_keyboard = -1; 964 kbd_release(kbd, (void *)vd); 965 mtx_unlock(&Giant); 966 return (0); 967 default: 968 return (EINVAL); 969 } 970 971 while ((c = kbdd_read_char(kbd, 0)) != NOKEY) 972 vt_processkey(kbd, vd, c); 973 974 return (0); 975 } 976 977 static int 978 vt_allocate_keyboard(struct vt_device *vd) 979 { 980 int idx0, idx; 981 keyboard_t *k0, *k; 982 keyboard_info_t ki; 983 984 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd); 985 if (idx0 >= 0) { 986 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0); 987 k0 = kbd_get_keyboard(idx0); 988 989 for (idx = kbd_find_keyboard2("*", -1, 0); 990 idx != -1; 991 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 992 k = kbd_get_keyboard(idx); 993 994 if (idx == idx0 || KBD_IS_BUSY(k)) 995 continue; 996 997 bzero(&ki, sizeof(ki)); 998 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name)); 999 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0'; 1000 ki.kb_unit = k->kb_unit; 1001 1002 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 1003 } 1004 } else { 1005 DPRINTF(20, "%s: no kbdmux allocated\n", __func__); 1006 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd); 1007 if (idx0 < 0) { 1008 DPRINTF(10, "%s: No keyboard found.\n", __func__); 1009 return (-1); 1010 } 1011 } 1012 vd->vd_keyboard = idx0; 1013 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard); 1014 1015 return (idx0); 1016 } 1017 1018 static void 1019 vtterm_bell(struct terminal *tm) 1020 { 1021 struct vt_window *vw = tm->tm_softc; 1022 struct vt_device *vd = vw->vw_device; 1023 1024 if (!vt_enable_bell) 1025 return; 1026 1027 if (vd->vd_flags & VDF_QUIET_BELL) 1028 return; 1029 1030 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION); 1031 } 1032 1033 static void 1034 vtterm_beep(struct terminal *tm, u_int param) 1035 { 1036 u_int freq, period; 1037 1038 if (!vt_enable_bell) 1039 return; 1040 1041 if ((param == 0) || ((param & 0xffff) == 0)) { 1042 vtterm_bell(tm); 1043 return; 1044 } 1045 1046 period = ((param >> 16) & 0xffff) * hz / 1000; 1047 freq = 1193182 / (param & 0xffff); 1048 1049 sysbeep(freq, period); 1050 } 1051 1052 static void 1053 vtterm_cursor(struct terminal *tm, const term_pos_t *p) 1054 { 1055 struct vt_window *vw = tm->tm_softc; 1056 1057 vtbuf_cursor_position(&vw->vw_buf, p); 1058 } 1059 1060 static void 1061 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c) 1062 { 1063 struct vt_window *vw = tm->tm_softc; 1064 1065 vtbuf_putchar(&vw->vw_buf, p, c); 1066 } 1067 1068 static void 1069 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c) 1070 { 1071 struct vt_window *vw = tm->tm_softc; 1072 1073 vtbuf_fill(&vw->vw_buf, r, c); 1074 } 1075 1076 static void 1077 vtterm_copy(struct terminal *tm, const term_rect_t *r, 1078 const term_pos_t *p) 1079 { 1080 struct vt_window *vw = tm->tm_softc; 1081 1082 vtbuf_copy(&vw->vw_buf, r, p); 1083 } 1084 1085 static void 1086 vtterm_param(struct terminal *tm, int cmd, unsigned int arg) 1087 { 1088 struct vt_window *vw = tm->tm_softc; 1089 1090 switch (cmd) { 1091 case TP_SETLOCALCURSOR: 1092 /* 1093 * 0 means normal (usually block), 1 means hidden, and 1094 * 2 means blinking (always block) for compatibility with 1095 * syscons. We don't support any changes except hiding, 1096 * so must map 2 to 0. 1097 */ 1098 arg = (arg == 1) ? 0 : 1; 1099 /* FALLTHROUGH */ 1100 case TP_SHOWCURSOR: 1101 vtbuf_cursor_visibility(&vw->vw_buf, arg); 1102 vt_resume_flush_timer(vw, 0); 1103 break; 1104 case TP_MOUSE: 1105 vw->vw_mouse_level = arg; 1106 break; 1107 } 1108 } 1109 1110 void 1111 vt_determine_colors(term_char_t c, int cursor, 1112 term_color_t *fg, term_color_t *bg) 1113 { 1114 term_color_t tmp; 1115 int invert; 1116 1117 invert = 0; 1118 1119 *fg = TCHAR_FGCOLOR(c); 1120 if (TCHAR_FORMAT(c) & TF_BOLD) 1121 *fg = TCOLOR_LIGHT(*fg); 1122 *bg = TCHAR_BGCOLOR(c); 1123 if (TCHAR_FORMAT(c) & TF_BLINK) 1124 *bg = TCOLOR_LIGHT(*bg); 1125 1126 if (TCHAR_FORMAT(c) & TF_REVERSE) 1127 invert ^= 1; 1128 if (cursor) 1129 invert ^= 1; 1130 1131 if (invert) { 1132 tmp = *fg; 1133 *fg = *bg; 1134 *bg = tmp; 1135 } 1136 } 1137 1138 #ifndef SC_NO_CUTPASTE 1139 int 1140 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area) 1141 { 1142 unsigned int mx, my; 1143 1144 /* 1145 * We use the cursor position saved during the current refresh, 1146 * in case the cursor moved since. 1147 */ 1148 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col; 1149 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row; 1150 1151 if (mx >= area->tr_end.tp_col || 1152 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col || 1153 my >= area->tr_end.tp_row || 1154 my + vd->vd_mcursor->height <= area->tr_begin.tp_row) 1155 return (0); 1156 return (1); 1157 } 1158 1159 static void 1160 vt_mark_mouse_position_as_dirty(struct vt_device *vd, int locked) 1161 { 1162 term_rect_t area; 1163 struct vt_window *vw; 1164 struct vt_font *vf; 1165 int x, y; 1166 1167 vw = vd->vd_curwindow; 1168 vf = vw->vw_font; 1169 1170 x = vd->vd_mx_drawn; 1171 y = vd->vd_my_drawn; 1172 1173 if (vf != NULL) { 1174 area.tr_begin.tp_col = x / vf->vf_width; 1175 area.tr_begin.tp_row = y / vf->vf_height; 1176 area.tr_end.tp_col = 1177 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1; 1178 area.tr_end.tp_row = 1179 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1; 1180 } else { 1181 /* 1182 * No font loaded (ie. vt_vga operating in textmode). 1183 * 1184 * FIXME: This fake area needs to be revisited once the 1185 * mouse cursor is supported in vt_vga's textmode. 1186 */ 1187 area.tr_begin.tp_col = x; 1188 area.tr_begin.tp_row = y; 1189 area.tr_end.tp_col = x + 2; 1190 area.tr_end.tp_row = y + 2; 1191 } 1192 1193 if (!locked) 1194 vtbuf_lock(&vw->vw_buf); 1195 if (vd->vd_driver->vd_invalidate_text) 1196 vd->vd_driver->vd_invalidate_text(vd, &area); 1197 vtbuf_dirty(&vw->vw_buf, &area); 1198 if (!locked) 1199 vtbuf_unlock(&vw->vw_buf); 1200 } 1201 #endif 1202 1203 static void 1204 vt_set_border(struct vt_device *vd, const term_rect_t *area, 1205 const term_color_t c) 1206 { 1207 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect; 1208 1209 if (drawrect == NULL) 1210 return; 1211 1212 /* Top bar */ 1213 if (area->tr_begin.tp_row > 0) 1214 drawrect(vd, 0, 0, vd->vd_width - 1, 1215 area->tr_begin.tp_row - 1, 1, c); 1216 1217 /* Left bar */ 1218 if (area->tr_begin.tp_col > 0) 1219 drawrect(vd, 0, area->tr_begin.tp_row, 1220 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c); 1221 1222 /* Right bar */ 1223 if (area->tr_end.tp_col < vd->vd_width) 1224 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row, 1225 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c); 1226 1227 /* Bottom bar */ 1228 if (area->tr_end.tp_row < vd->vd_height) 1229 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1, 1230 vd->vd_height - 1, 1, c); 1231 } 1232 1233 static int 1234 vt_flush(struct vt_device *vd) 1235 { 1236 struct vt_window *vw; 1237 struct vt_font *vf; 1238 term_rect_t tarea; 1239 #ifndef SC_NO_CUTPASTE 1240 int cursor_was_shown, cursor_moved; 1241 #endif 1242 1243 vw = vd->vd_curwindow; 1244 if (vw == NULL) 1245 return (0); 1246 1247 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY) 1248 return (0); 1249 1250 vf = vw->vw_font; 1251 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL)) 1252 return (0); 1253 1254 vtbuf_lock(&vw->vw_buf); 1255 1256 #ifndef SC_NO_CUTPASTE 1257 cursor_was_shown = vd->vd_mshown; 1258 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn || 1259 vd->vd_my != vd->vd_my_drawn); 1260 1261 /* Check if the cursor should be displayed or not. */ 1262 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */ 1263 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */ 1264 !kdb_active && panicstr == NULL) { /* DDB inactive. */ 1265 vd->vd_mshown = 1; 1266 } else { 1267 vd->vd_mshown = 0; 1268 } 1269 1270 /* 1271 * If the cursor changed display state or moved, we must mark 1272 * the old position as dirty, so that it's erased. 1273 */ 1274 if (cursor_was_shown != vd->vd_mshown || 1275 (vd->vd_mshown && cursor_moved)) 1276 vt_mark_mouse_position_as_dirty(vd, true); 1277 1278 /* 1279 * Save position of the mouse cursor. It's used by backends to 1280 * know where to draw the cursor and during the next refresh to 1281 * erase the previous position. 1282 */ 1283 vd->vd_mx_drawn = vd->vd_mx; 1284 vd->vd_my_drawn = vd->vd_my; 1285 1286 /* 1287 * If the cursor is displayed and has moved since last refresh, 1288 * mark the new position as dirty. 1289 */ 1290 if (vd->vd_mshown && cursor_moved) 1291 vt_mark_mouse_position_as_dirty(vd, true); 1292 #endif 1293 1294 vtbuf_undirty(&vw->vw_buf, &tarea); 1295 1296 /* Force a full redraw when the screen contents might be invalid. */ 1297 if (vd->vd_flags & (VDF_INVALID | VDF_SUSPENDED)) { 1298 vd->vd_flags &= ~VDF_INVALID; 1299 1300 vt_set_border(vd, &vw->vw_draw_area, TC_BLACK); 1301 vt_termrect(vd, vf, &tarea); 1302 if (vd->vd_driver->vd_invalidate_text) 1303 vd->vd_driver->vd_invalidate_text(vd, &tarea); 1304 if (vt_draw_logo_cpus) 1305 vtterm_draw_cpu_logos(vd); 1306 } 1307 1308 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) { 1309 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea); 1310 vtbuf_unlock(&vw->vw_buf); 1311 return (1); 1312 } 1313 1314 vtbuf_unlock(&vw->vw_buf); 1315 return (0); 1316 } 1317 1318 static void 1319 vt_timer(void *arg) 1320 { 1321 struct vt_device *vd; 1322 int changed; 1323 1324 vd = arg; 1325 /* Update screen if required. */ 1326 changed = vt_flush(vd); 1327 1328 /* Schedule for next update. */ 1329 if (changed) 1330 vt_schedule_flush(vd, 0); 1331 else 1332 vd->vd_timer_armed = 0; 1333 } 1334 1335 static void 1336 vtterm_pre_input(struct terminal *tm) 1337 { 1338 struct vt_window *vw = tm->tm_softc; 1339 1340 vtbuf_lock(&vw->vw_buf); 1341 } 1342 1343 static void 1344 vtterm_post_input(struct terminal *tm) 1345 { 1346 struct vt_window *vw = tm->tm_softc; 1347 1348 vtbuf_unlock(&vw->vw_buf); 1349 vt_resume_flush_timer(vw, 0); 1350 } 1351 1352 static void 1353 vtterm_done(struct terminal *tm) 1354 { 1355 struct vt_window *vw = tm->tm_softc; 1356 struct vt_device *vd = vw->vw_device; 1357 1358 if (kdb_active || panicstr != NULL) { 1359 /* Switch to the debugger. */ 1360 if (vd->vd_curwindow != vw) { 1361 vd->vd_curwindow = vw; 1362 vd->vd_flags |= VDF_INVALID; 1363 if (vd->vd_driver->vd_postswitch) 1364 vd->vd_driver->vd_postswitch(vd); 1365 } 1366 vd->vd_flags &= ~VDF_SPLASH; 1367 vt_flush(vd); 1368 } else if (!(vd->vd_flags & VDF_ASYNC)) { 1369 vt_flush(vd); 1370 } 1371 } 1372 1373 #ifdef DEV_SPLASH 1374 static void 1375 vtterm_splash(struct vt_device *vd) 1376 { 1377 vt_axis_t top, left; 1378 1379 /* Display a nice boot splash. */ 1380 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) { 1381 1382 top = (vd->vd_height - vt_logo_height) / 2; 1383 left = (vd->vd_width - vt_logo_width) / 2; 1384 switch (vt_logo_depth) { 1385 case 1: 1386 /* XXX: Unhardcode colors! */ 1387 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow, 1388 vt_logo_image, NULL, vt_logo_width, vt_logo_height, 1389 left, top, TC_WHITE, TC_BLACK); 1390 } 1391 vd->vd_flags |= VDF_SPLASH; 1392 } 1393 } 1394 #endif 1395 1396 1397 static void 1398 vtterm_cnprobe(struct terminal *tm, struct consdev *cp) 1399 { 1400 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL; 1401 struct vt_window *vw = tm->tm_softc; 1402 struct vt_device *vd = vw->vw_device; 1403 struct winsize wsz; 1404 term_attr_t attr; 1405 term_char_t c; 1406 1407 if (!vty_enabled(VTY_VT)) 1408 return; 1409 1410 if (vd->vd_flags & VDF_INITIALIZED) 1411 /* Initialization already done. */ 1412 return; 1413 1414 SET_FOREACH(vtdlist, vt_drv_set) { 1415 vtd = *vtdlist; 1416 if (vtd->vd_probe == NULL) 1417 continue; 1418 if (vtd->vd_probe(vd) == CN_DEAD) 1419 continue; 1420 if ((vtdbest == NULL) || 1421 (vtd->vd_priority > vtdbest->vd_priority)) 1422 vtdbest = vtd; 1423 } 1424 if (vtdbest == NULL) { 1425 cp->cn_pri = CN_DEAD; 1426 vd->vd_flags |= VDF_DEAD; 1427 } else { 1428 vd->vd_driver = vtdbest; 1429 cp->cn_pri = vd->vd_driver->vd_init(vd); 1430 } 1431 1432 /* Check if driver's vt_init return CN_DEAD. */ 1433 if (cp->cn_pri == CN_DEAD) { 1434 vd->vd_flags |= VDF_DEAD; 1435 } 1436 1437 /* Initialize any early-boot keyboard drivers */ 1438 kbd_configure(KB_CONF_PROBE_ONLY); 1439 1440 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1); 1441 vd->vd_windows[VT_CONSWINDOW] = vw; 1442 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw)); 1443 1444 /* Attach default font if not in TEXTMODE. */ 1445 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 1446 vw->vw_font = vtfont_ref(&vt_font_default); 1447 vt_compute_drawable_area(vw); 1448 } 1449 1450 /* 1451 * The original screen size was faked (_VTDEFW x _VTDEFH). Now 1452 * that we have the real viewable size, fix it in the static 1453 * buffer. 1454 */ 1455 if (vd->vd_width != 0 && vd->vd_height != 0) 1456 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size); 1457 1458 vtbuf_init_early(&vw->vw_buf); 1459 vt_winsize(vd, vw->vw_font, &wsz); 1460 c = (boothowto & RB_MUTE) == 0 ? TERMINAL_KERN_ATTR : 1461 TERMINAL_NORM_ATTR; 1462 attr.ta_format = TCHAR_FORMAT(c); 1463 attr.ta_fgcolor = TCHAR_FGCOLOR(c); 1464 attr.ta_bgcolor = TCHAR_BGCOLOR(c); 1465 terminal_set_winsize_blank(tm, &wsz, 1, &attr); 1466 1467 if (vtdbest != NULL) { 1468 #ifdef DEV_SPLASH 1469 if (!vt_splash_cpu) 1470 vtterm_splash(vd); 1471 #endif 1472 vd->vd_flags |= VDF_INITIALIZED; 1473 } 1474 } 1475 1476 static int 1477 vtterm_cngetc(struct terminal *tm) 1478 { 1479 struct vt_window *vw = tm->tm_softc; 1480 struct vt_device *vd = vw->vw_device; 1481 keyboard_t *kbd; 1482 u_int c; 1483 1484 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1485 return (*vw->vw_kbdsq++); 1486 1487 /* Make sure the splash screen is not there. */ 1488 if (vd->vd_flags & VDF_SPLASH) { 1489 /* Remove splash */ 1490 vd->vd_flags &= ~VDF_SPLASH; 1491 /* Mark screen as invalid to force update */ 1492 vd->vd_flags |= VDF_INVALID; 1493 vt_flush(vd); 1494 } 1495 1496 /* Stripped down keyboard handler. */ 1497 kbd = kbd_get_keyboard(vd->vd_keyboard); 1498 if (kbd == NULL) 1499 return (-1); 1500 1501 /* Force keyboard input mode to K_XLATE */ 1502 vw->vw_kbdmode = K_XLATE; 1503 vt_update_kbd_mode(vw, kbd); 1504 1505 /* Switch the keyboard to polling to make it work here. */ 1506 kbdd_poll(kbd, TRUE); 1507 c = kbdd_read_char(kbd, 0); 1508 kbdd_poll(kbd, FALSE); 1509 if (c & RELKEY) 1510 return (-1); 1511 1512 if (vw->vw_flags & VWF_SCROLL) { 1513 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */); 1514 vt_flush(vd); 1515 return (-1); 1516 } 1517 1518 /* Stripped down handling of vt_kbdevent(), without locking, etc. */ 1519 if (c & SPCLKEY) { 1520 switch (c) { 1521 case SPCLKEY | SLK: 1522 vt_save_kbd_state(vw, kbd); 1523 if (vw->vw_kbdstate & SLKED) { 1524 /* Turn scrolling on. */ 1525 vw->vw_flags |= VWF_SCROLL; 1526 VTBUF_SLCK_ENABLE(&vw->vw_buf); 1527 } else { 1528 /* Turn scrolling off. */ 1529 vt_scroll(vw, 0, VHS_END); 1530 vw->vw_flags &= ~VWF_SCROLL; 1531 VTBUF_SLCK_DISABLE(&vw->vw_buf); 1532 } 1533 break; 1534 /* XXX: KDB can handle history. */ 1535 case SPCLKEY | FKEY | F(50): /* Arrow up. */ 1536 vw->vw_kbdsq = "\x1b[A"; 1537 break; 1538 case SPCLKEY | FKEY | F(58): /* Arrow down. */ 1539 vw->vw_kbdsq = "\x1b[B"; 1540 break; 1541 case SPCLKEY | FKEY | F(55): /* Arrow right. */ 1542 vw->vw_kbdsq = "\x1b[C"; 1543 break; 1544 case SPCLKEY | FKEY | F(53): /* Arrow left. */ 1545 vw->vw_kbdsq = "\x1b[D"; 1546 break; 1547 } 1548 1549 /* Force refresh to make scrollback work. */ 1550 vt_flush(vd); 1551 } else if (KEYFLAGS(c) == 0) { 1552 return (KEYCHAR(c)); 1553 } 1554 1555 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1556 return (*vw->vw_kbdsq++); 1557 1558 return (-1); 1559 } 1560 1561 static void 1562 vtterm_cngrab(struct terminal *tm) 1563 { 1564 struct vt_device *vd; 1565 struct vt_window *vw; 1566 keyboard_t *kbd; 1567 1568 vw = tm->tm_softc; 1569 vd = vw->vw_device; 1570 1571 if (!cold) 1572 vt_window_switch(vw); 1573 1574 kbd = kbd_get_keyboard(vd->vd_keyboard); 1575 if (kbd == NULL) 1576 return; 1577 1578 if (vw->vw_grabbed++ > 0) 1579 return; 1580 1581 /* 1582 * Make sure the keyboard is accessible even when the kbd device 1583 * driver is disabled. 1584 */ 1585 kbdd_enable(kbd); 1586 1587 /* We shall always use the keyboard in the XLATE mode here. */ 1588 vw->vw_prev_kbdmode = vw->vw_kbdmode; 1589 vw->vw_kbdmode = K_XLATE; 1590 vt_update_kbd_mode(vw, kbd); 1591 1592 kbdd_poll(kbd, TRUE); 1593 } 1594 1595 static void 1596 vtterm_cnungrab(struct terminal *tm) 1597 { 1598 struct vt_device *vd; 1599 struct vt_window *vw; 1600 keyboard_t *kbd; 1601 1602 vw = tm->tm_softc; 1603 vd = vw->vw_device; 1604 1605 kbd = kbd_get_keyboard(vd->vd_keyboard); 1606 if (kbd == NULL) 1607 return; 1608 1609 if (--vw->vw_grabbed > 0) 1610 return; 1611 1612 kbdd_poll(kbd, FALSE); 1613 1614 vw->vw_kbdmode = vw->vw_prev_kbdmode; 1615 vt_update_kbd_mode(vw, kbd); 1616 kbdd_disable(kbd); 1617 } 1618 1619 static void 1620 vtterm_opened(struct terminal *tm, int opened) 1621 { 1622 struct vt_window *vw = tm->tm_softc; 1623 struct vt_device *vd = vw->vw_device; 1624 1625 VT_LOCK(vd); 1626 vd->vd_flags &= ~VDF_SPLASH; 1627 if (opened) 1628 vw->vw_flags |= VWF_OPENED; 1629 else { 1630 vw->vw_flags &= ~VWF_OPENED; 1631 /* TODO: finish ACQ/REL */ 1632 } 1633 VT_UNLOCK(vd); 1634 } 1635 1636 static int 1637 vt_change_font(struct vt_window *vw, struct vt_font *vf) 1638 { 1639 struct vt_device *vd = vw->vw_device; 1640 struct terminal *tm = vw->vw_terminal; 1641 term_pos_t size; 1642 struct winsize wsz; 1643 1644 /* 1645 * Changing fonts. 1646 * 1647 * Changing fonts is a little tricky. We must prevent 1648 * simultaneous access to the device, so we must stop 1649 * the display timer and the terminal from accessing. 1650 * We need to switch fonts and grow our screen buffer. 1651 * 1652 * XXX: Right now the code uses terminal_mute() to 1653 * prevent data from reaching the console driver while 1654 * resizing the screen buffer. This isn't elegant... 1655 */ 1656 1657 VT_LOCK(vd); 1658 if (vw->vw_flags & VWF_BUSY) { 1659 /* Another process is changing the font. */ 1660 VT_UNLOCK(vd); 1661 return (EBUSY); 1662 } 1663 vw->vw_flags |= VWF_BUSY; 1664 VT_UNLOCK(vd); 1665 1666 vt_termsize(vd, vf, &size); 1667 vt_winsize(vd, vf, &wsz); 1668 1669 /* Grow the screen buffer and terminal. */ 1670 terminal_mute(tm, 1); 1671 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 1672 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 1673 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 1674 terminal_mute(tm, 0); 1675 1676 /* Actually apply the font to the current window. */ 1677 VT_LOCK(vd); 1678 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) { 1679 /* 1680 * In case vt_change_font called to update size we don't need 1681 * to update font link. 1682 */ 1683 vtfont_unref(vw->vw_font); 1684 vw->vw_font = vtfont_ref(vf); 1685 } 1686 1687 /* 1688 * Compute the drawable area and move the mouse cursor inside 1689 * it, in case the new area is smaller than the previous one. 1690 */ 1691 vt_compute_drawable_area(vw); 1692 vd->vd_mx = min(vd->vd_mx, 1693 vw->vw_draw_area.tr_end.tp_col - 1694 vw->vw_draw_area.tr_begin.tp_col - 1); 1695 vd->vd_my = min(vd->vd_my, 1696 vw->vw_draw_area.tr_end.tp_row - 1697 vw->vw_draw_area.tr_begin.tp_row - 1); 1698 1699 /* Force a full redraw the next timer tick. */ 1700 if (vd->vd_curwindow == vw) { 1701 vd->vd_flags |= VDF_INVALID; 1702 vt_resume_flush_timer(vw, 0); 1703 } 1704 vw->vw_flags &= ~VWF_BUSY; 1705 VT_UNLOCK(vd); 1706 return (0); 1707 } 1708 1709 static int 1710 vt_proc_alive(struct vt_window *vw) 1711 { 1712 struct proc *p; 1713 1714 if (vw->vw_smode.mode != VT_PROCESS) 1715 return (FALSE); 1716 1717 if (vw->vw_proc) { 1718 if ((p = pfind(vw->vw_pid)) != NULL) 1719 PROC_UNLOCK(p); 1720 if (vw->vw_proc == p) 1721 return (TRUE); 1722 vw->vw_proc = NULL; 1723 vw->vw_smode.mode = VT_AUTO; 1724 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid); 1725 vw->vw_pid = 0; 1726 } 1727 return (FALSE); 1728 } 1729 1730 static int 1731 signal_vt_rel(struct vt_window *vw) 1732 { 1733 1734 if (vw->vw_smode.mode != VT_PROCESS) 1735 return (FALSE); 1736 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1737 vw->vw_proc = NULL; 1738 vw->vw_pid = 0; 1739 return (TRUE); 1740 } 1741 vw->vw_flags |= VWF_SWWAIT_REL; 1742 PROC_LOCK(vw->vw_proc); 1743 kern_psignal(vw->vw_proc, vw->vw_smode.relsig); 1744 PROC_UNLOCK(vw->vw_proc); 1745 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid); 1746 return (TRUE); 1747 } 1748 1749 static int 1750 signal_vt_acq(struct vt_window *vw) 1751 { 1752 1753 if (vw->vw_smode.mode != VT_PROCESS) 1754 return (FALSE); 1755 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 1756 cnavailable(vw->vw_terminal->consdev, FALSE); 1757 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1758 vw->vw_proc = NULL; 1759 vw->vw_pid = 0; 1760 return (TRUE); 1761 } 1762 vw->vw_flags |= VWF_SWWAIT_ACQ; 1763 PROC_LOCK(vw->vw_proc); 1764 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig); 1765 PROC_UNLOCK(vw->vw_proc); 1766 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid); 1767 return (TRUE); 1768 } 1769 1770 static int 1771 finish_vt_rel(struct vt_window *vw, int release, int *s) 1772 { 1773 1774 if (vw->vw_flags & VWF_SWWAIT_REL) { 1775 vw->vw_flags &= ~VWF_SWWAIT_REL; 1776 if (release) { 1777 callout_drain(&vw->vw_proc_dead_timer); 1778 vt_late_window_switch(vw->vw_switch_to); 1779 } 1780 return (0); 1781 } 1782 return (EINVAL); 1783 } 1784 1785 static int 1786 finish_vt_acq(struct vt_window *vw) 1787 { 1788 1789 if (vw->vw_flags & VWF_SWWAIT_ACQ) { 1790 vw->vw_flags &= ~VWF_SWWAIT_ACQ; 1791 return (0); 1792 } 1793 return (EINVAL); 1794 } 1795 1796 #ifndef SC_NO_CUTPASTE 1797 static void 1798 vt_mouse_terminput_button(struct vt_device *vd, int button) 1799 { 1800 struct vt_window *vw; 1801 struct vt_font *vf; 1802 char mouseb[6] = "\x1B[M"; 1803 int i, x, y; 1804 1805 vw = vd->vd_curwindow; 1806 vf = vw->vw_font; 1807 1808 /* Translate to char position. */ 1809 x = vd->vd_mx / vf->vf_width; 1810 y = vd->vd_my / vf->vf_height; 1811 /* Avoid overflow. */ 1812 x = MIN(x, 255 - '!'); 1813 y = MIN(y, 255 - '!'); 1814 1815 mouseb[3] = ' ' + button; 1816 mouseb[4] = '!' + x; 1817 mouseb[5] = '!' + y; 1818 1819 for (i = 0; i < sizeof(mouseb); i++) 1820 terminal_input_char(vw->vw_terminal, mouseb[i]); 1821 } 1822 1823 static void 1824 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event, 1825 int cnt) 1826 { 1827 1828 switch (type) { 1829 case MOUSE_BUTTON_EVENT: 1830 if (cnt > 0) { 1831 /* Mouse button pressed. */ 1832 if (event & MOUSE_BUTTON1DOWN) 1833 vt_mouse_terminput_button(vd, 0); 1834 if (event & MOUSE_BUTTON2DOWN) 1835 vt_mouse_terminput_button(vd, 1); 1836 if (event & MOUSE_BUTTON3DOWN) 1837 vt_mouse_terminput_button(vd, 2); 1838 } else { 1839 /* Mouse button released. */ 1840 vt_mouse_terminput_button(vd, 3); 1841 } 1842 break; 1843 #ifdef notyet 1844 case MOUSE_MOTION_EVENT: 1845 if (mouse->u.data.z < 0) { 1846 /* Scroll up. */ 1847 sc_mouse_input_button(vd, 64); 1848 } else if (mouse->u.data.z > 0) { 1849 /* Scroll down. */ 1850 sc_mouse_input_button(vd, 65); 1851 } 1852 break; 1853 #endif 1854 } 1855 } 1856 1857 static void 1858 vt_mouse_paste() 1859 { 1860 term_char_t *buf; 1861 int i, len; 1862 1863 len = VD_PASTEBUFLEN(main_vd); 1864 buf = VD_PASTEBUF(main_vd); 1865 len /= sizeof(term_char_t); 1866 for (i = 0; i < len; i++) { 1867 if (buf[i] == '\0') 1868 continue; 1869 terminal_input_char(main_vd->vd_curwindow->vw_terminal, 1870 buf[i]); 1871 } 1872 } 1873 1874 void 1875 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel) 1876 { 1877 struct vt_device *vd; 1878 struct vt_window *vw; 1879 struct vt_font *vf; 1880 term_pos_t size; 1881 int len, mark; 1882 1883 vd = main_vd; 1884 vw = vd->vd_curwindow; 1885 vf = vw->vw_font; 1886 mark = 0; 1887 1888 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS)) 1889 /* 1890 * Either the mouse is disabled, or the window is in 1891 * "graphics mode". The graphics mode is usually set by 1892 * an X server, using the KDSETMODE ioctl. 1893 */ 1894 return; 1895 1896 if (vf == NULL) /* Text mode. */ 1897 return; 1898 1899 /* 1900 * TODO: add flag about pointer position changed, to not redraw chars 1901 * under mouse pointer when nothing changed. 1902 */ 1903 1904 if (vw->vw_mouse_level > 0) 1905 vt_mouse_terminput(vd, type, x, y, event, cnt); 1906 1907 switch (type) { 1908 case MOUSE_ACTION: 1909 case MOUSE_MOTION_EVENT: 1910 /* Movement */ 1911 x += vd->vd_mx; 1912 y += vd->vd_my; 1913 1914 vt_termsize(vd, vf, &size); 1915 1916 /* Apply limits. */ 1917 x = MAX(x, 0); 1918 y = MAX(y, 0); 1919 x = MIN(x, (size.tp_col * vf->vf_width) - 1); 1920 y = MIN(y, (size.tp_row * vf->vf_height) - 1); 1921 1922 vd->vd_mx = x; 1923 vd->vd_my = y; 1924 if (vd->vd_mstate & MOUSE_BUTTON1DOWN) 1925 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE, 1926 vd->vd_mx / vf->vf_width, 1927 vd->vd_my / vf->vf_height); 1928 1929 vt_resume_flush_timer(vw, 0); 1930 return; /* Done */ 1931 case MOUSE_BUTTON_EVENT: 1932 /* Buttons */ 1933 break; 1934 default: 1935 return; /* Done */ 1936 } 1937 1938 switch (event) { 1939 case MOUSE_BUTTON1DOWN: 1940 switch (cnt % 4) { 1941 case 0: /* up */ 1942 mark = VTB_MARK_END; 1943 break; 1944 case 1: /* single click: start cut operation */ 1945 mark = VTB_MARK_START; 1946 break; 1947 case 2: /* double click: cut a word */ 1948 mark = VTB_MARK_WORD; 1949 break; 1950 case 3: /* triple click: cut a line */ 1951 mark = VTB_MARK_ROW; 1952 break; 1953 } 1954 break; 1955 case VT_MOUSE_PASTEBUTTON: 1956 switch (cnt) { 1957 case 0: /* up */ 1958 break; 1959 default: 1960 vt_mouse_paste(); 1961 break; 1962 } 1963 return; /* Done */ 1964 case VT_MOUSE_EXTENDBUTTON: 1965 switch (cnt) { 1966 case 0: /* up */ 1967 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN)) 1968 mark = VTB_MARK_EXTEND; 1969 else 1970 mark = 0; 1971 break; 1972 default: 1973 mark = VTB_MARK_EXTEND; 1974 break; 1975 } 1976 break; 1977 default: 1978 return; /* Done */ 1979 } 1980 1981 /* Save buttons state. */ 1982 if (cnt > 0) 1983 vd->vd_mstate |= event; 1984 else 1985 vd->vd_mstate &= ~event; 1986 1987 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width, 1988 vd->vd_my / vf->vf_height) == 1) { 1989 /* 1990 * We have something marked to copy, so update pointer to 1991 * window with selection. 1992 */ 1993 vt_resume_flush_timer(vw, 0); 1994 1995 switch (mark) { 1996 case VTB_MARK_END: 1997 case VTB_MARK_WORD: 1998 case VTB_MARK_ROW: 1999 case VTB_MARK_EXTEND: 2000 break; 2001 default: 2002 /* Other types of mark do not require to copy data. */ 2003 return; 2004 } 2005 2006 /* Get current selection size in bytes. */ 2007 len = vtbuf_get_marked_len(&vw->vw_buf); 2008 if (len <= 0) 2009 return; 2010 2011 /* Reallocate buffer only if old one is too small. */ 2012 if (len > VD_PASTEBUFSZ(vd)) { 2013 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT, 2014 M_WAITOK | M_ZERO); 2015 /* Update buffer size. */ 2016 VD_PASTEBUFSZ(vd) = len; 2017 } 2018 /* Request copy/paste buffer data, no more than `len' */ 2019 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd), 2020 VD_PASTEBUFSZ(vd)); 2021 2022 VD_PASTEBUFLEN(vd) = len; 2023 2024 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */ 2025 } 2026 } 2027 2028 void 2029 vt_mouse_state(int show) 2030 { 2031 struct vt_device *vd; 2032 struct vt_window *vw; 2033 2034 vd = main_vd; 2035 vw = vd->vd_curwindow; 2036 2037 switch (show) { 2038 case VT_MOUSE_HIDE: 2039 vw->vw_flags |= VWF_MOUSE_HIDE; 2040 break; 2041 case VT_MOUSE_SHOW: 2042 vw->vw_flags &= ~VWF_MOUSE_HIDE; 2043 break; 2044 } 2045 2046 /* Mark mouse position as dirty. */ 2047 vt_mark_mouse_position_as_dirty(vd, false); 2048 vt_resume_flush_timer(vw, 0); 2049 } 2050 #endif 2051 2052 static int 2053 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr, 2054 int nprot, vm_memattr_t *memattr) 2055 { 2056 struct vt_window *vw = tm->tm_softc; 2057 struct vt_device *vd = vw->vw_device; 2058 2059 if (vd->vd_driver->vd_fb_mmap) 2060 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot, 2061 memattr)); 2062 2063 return (ENXIO); 2064 } 2065 2066 static int 2067 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data, 2068 struct thread *td) 2069 { 2070 struct vt_window *vw = tm->tm_softc; 2071 struct vt_device *vd = vw->vw_device; 2072 keyboard_t *kbd; 2073 int error, i, s; 2074 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 2075 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 2076 int ival; 2077 2078 switch (cmd) { 2079 case _IO('v', 4): 2080 cmd = VT_RELDISP; 2081 break; 2082 case _IO('v', 5): 2083 cmd = VT_ACTIVATE; 2084 break; 2085 case _IO('v', 6): 2086 cmd = VT_WAITACTIVE; 2087 break; 2088 case _IO('K', 20): 2089 cmd = KDSKBSTATE; 2090 break; 2091 case _IO('K', 67): 2092 cmd = KDSETRAD; 2093 break; 2094 case _IO('K', 7): 2095 cmd = KDSKBMODE; 2096 break; 2097 case _IO('K', 8): 2098 cmd = KDMKTONE; 2099 break; 2100 case _IO('K', 63): 2101 cmd = KIOCSOUND; 2102 break; 2103 case _IO('K', 66): 2104 cmd = KDSETLED; 2105 break; 2106 case _IO('c', 110): 2107 cmd = CONS_SETKBD; 2108 break; 2109 default: 2110 goto skip_thunk; 2111 } 2112 ival = IOCPARM_IVAL(data); 2113 data = (caddr_t)&ival; 2114 skip_thunk: 2115 #endif 2116 2117 switch (cmd) { 2118 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 2119 if (*(int *)data & ~0x7f) 2120 return (EINVAL); 2121 /* FALLTHROUGH */ 2122 case GIO_KEYMAP: 2123 case PIO_KEYMAP: 2124 case GIO_DEADKEYMAP: 2125 case PIO_DEADKEYMAP: 2126 case GETFKEY: 2127 case SETFKEY: 2128 case KDGKBINFO: 2129 case KDGKBTYPE: 2130 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 2131 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 2132 case KBADDKBD: /* add/remove keyboard to/from mux */ 2133 case KBRELKBD: { 2134 error = 0; 2135 2136 mtx_lock(&Giant); 2137 kbd = kbd_get_keyboard(vd->vd_keyboard); 2138 if (kbd != NULL) 2139 error = kbdd_ioctl(kbd, cmd, data); 2140 mtx_unlock(&Giant); 2141 if (error == ENOIOCTL) { 2142 if (cmd == KDGKBTYPE) { 2143 /* always return something? XXX */ 2144 *(int *)data = 0; 2145 } else { 2146 return (ENODEV); 2147 } 2148 } 2149 return (error); 2150 } 2151 case KDGKBSTATE: { /* get keyboard state (locks) */ 2152 error = 0; 2153 2154 if (vw == vd->vd_curwindow) { 2155 mtx_lock(&Giant); 2156 kbd = kbd_get_keyboard(vd->vd_keyboard); 2157 if (kbd != NULL) 2158 error = vt_save_kbd_state(vw, kbd); 2159 mtx_unlock(&Giant); 2160 2161 if (error != 0) 2162 return (error); 2163 } 2164 2165 *(int *)data = vw->vw_kbdstate & LOCK_MASK; 2166 2167 return (error); 2168 } 2169 case KDSKBSTATE: { /* set keyboard state (locks) */ 2170 int state; 2171 2172 state = *(int *)data; 2173 if (state & ~LOCK_MASK) 2174 return (EINVAL); 2175 2176 vw->vw_kbdstate &= ~LOCK_MASK; 2177 vw->vw_kbdstate |= state; 2178 2179 error = 0; 2180 if (vw == vd->vd_curwindow) { 2181 mtx_lock(&Giant); 2182 kbd = kbd_get_keyboard(vd->vd_keyboard); 2183 if (kbd != NULL) 2184 error = vt_update_kbd_state(vw, kbd); 2185 mtx_unlock(&Giant); 2186 } 2187 2188 return (error); 2189 } 2190 case KDGETLED: { /* get keyboard LED status */ 2191 error = 0; 2192 2193 if (vw == vd->vd_curwindow) { 2194 mtx_lock(&Giant); 2195 kbd = kbd_get_keyboard(vd->vd_keyboard); 2196 if (kbd != NULL) 2197 error = vt_save_kbd_leds(vw, kbd); 2198 mtx_unlock(&Giant); 2199 2200 if (error != 0) 2201 return (error); 2202 } 2203 2204 *(int *)data = vw->vw_kbdstate & LED_MASK; 2205 2206 return (error); 2207 } 2208 case KDSETLED: { /* set keyboard LED status */ 2209 int leds; 2210 2211 leds = *(int *)data; 2212 if (leds & ~LED_MASK) 2213 return (EINVAL); 2214 2215 vw->vw_kbdstate &= ~LED_MASK; 2216 vw->vw_kbdstate |= leds; 2217 2218 error = 0; 2219 if (vw == vd->vd_curwindow) { 2220 mtx_lock(&Giant); 2221 kbd = kbd_get_keyboard(vd->vd_keyboard); 2222 if (kbd != NULL) 2223 error = vt_update_kbd_leds(vw, kbd); 2224 mtx_unlock(&Giant); 2225 } 2226 2227 return (error); 2228 } 2229 case KDGETMODE: 2230 *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ? 2231 KD_GRAPHICS : KD_TEXT; 2232 return (0); 2233 case KDGKBMODE: { 2234 error = 0; 2235 2236 if (vw == vd->vd_curwindow) { 2237 mtx_lock(&Giant); 2238 kbd = kbd_get_keyboard(vd->vd_keyboard); 2239 if (kbd != NULL) 2240 error = vt_save_kbd_mode(vw, kbd); 2241 mtx_unlock(&Giant); 2242 2243 if (error != 0) 2244 return (error); 2245 } 2246 2247 *(int *)data = vw->vw_kbdmode; 2248 2249 return (error); 2250 } 2251 case KDSKBMODE: { 2252 int mode; 2253 2254 mode = *(int *)data; 2255 switch (mode) { 2256 case K_XLATE: 2257 case K_RAW: 2258 case K_CODE: 2259 vw->vw_kbdmode = mode; 2260 2261 error = 0; 2262 if (vw == vd->vd_curwindow) { 2263 mtx_lock(&Giant); 2264 kbd = kbd_get_keyboard(vd->vd_keyboard); 2265 if (kbd != NULL) 2266 error = vt_update_kbd_mode(vw, kbd); 2267 mtx_unlock(&Giant); 2268 } 2269 2270 return (error); 2271 default: 2272 return (EINVAL); 2273 } 2274 } 2275 case FBIOGTYPE: 2276 case FBIO_GETWINORG: /* get frame buffer window origin */ 2277 case FBIO_GETDISPSTART: /* get display start address */ 2278 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 2279 case FBIO_BLANK: /* blank display */ 2280 if (vd->vd_driver->vd_fb_ioctl) 2281 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td)); 2282 break; 2283 case CONS_BLANKTIME: 2284 /* XXX */ 2285 return (0); 2286 case CONS_HISTORY: 2287 if (*(int *)data < 0) 2288 return EINVAL; 2289 if (*(int *)data != vd->vd_curwindow->vw_buf.vb_history_size) 2290 vtbuf_sethistory_size(&vd->vd_curwindow->vw_buf, 2291 *(int *)data); 2292 return 0; 2293 case CONS_GET: 2294 /* XXX */ 2295 *(int *)data = M_CG640x480; 2296 return (0); 2297 case CONS_BELLTYPE: /* set bell type sound */ 2298 if ((*(int *)data) & CONS_QUIET_BELL) 2299 vd->vd_flags |= VDF_QUIET_BELL; 2300 else 2301 vd->vd_flags &= ~VDF_QUIET_BELL; 2302 return (0); 2303 case CONS_GETINFO: { 2304 vid_info_t *vi = (vid_info_t *)data; 2305 if (vi->size != sizeof(struct vid_info)) 2306 return (EINVAL); 2307 2308 if (vw == vd->vd_curwindow) { 2309 mtx_lock(&Giant); 2310 kbd = kbd_get_keyboard(vd->vd_keyboard); 2311 if (kbd != NULL) 2312 vt_save_kbd_state(vw, kbd); 2313 mtx_unlock(&Giant); 2314 } 2315 2316 vi->m_num = vd->vd_curwindow->vw_number + 1; 2317 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK; 2318 /* XXX: other fields! */ 2319 return (0); 2320 } 2321 case CONS_GETVERS: 2322 *(int *)data = 0x200; 2323 return (0); 2324 case CONS_MODEINFO: 2325 /* XXX */ 2326 return (0); 2327 case CONS_MOUSECTL: { 2328 mouse_info_t *mouse = (mouse_info_t*)data; 2329 2330 /* 2331 * All the commands except MOUSE_SHOW nd MOUSE_HIDE 2332 * should not be applied to individual TTYs, but only to 2333 * consolectl. 2334 */ 2335 switch (mouse->operation) { 2336 case MOUSE_HIDE: 2337 if (vd->vd_flags & VDF_MOUSECURSOR) { 2338 vd->vd_flags &= ~VDF_MOUSECURSOR; 2339 #ifndef SC_NO_CUTPASTE 2340 vt_mouse_state(VT_MOUSE_HIDE); 2341 #endif 2342 } 2343 return (0); 2344 case MOUSE_SHOW: 2345 if (!(vd->vd_flags & VDF_MOUSECURSOR)) { 2346 vd->vd_flags |= VDF_MOUSECURSOR; 2347 vd->vd_mx = vd->vd_width / 2; 2348 vd->vd_my = vd->vd_height / 2; 2349 #ifndef SC_NO_CUTPASTE 2350 vt_mouse_state(VT_MOUSE_SHOW); 2351 #endif 2352 } 2353 return (0); 2354 default: 2355 return (EINVAL); 2356 } 2357 } 2358 case PIO_VFONT: { 2359 struct vt_font *vf; 2360 2361 if (vd->vd_flags & VDF_TEXTMODE) 2362 return (ENOTSUP); 2363 2364 error = vtfont_load((void *)data, &vf); 2365 if (error != 0) 2366 return (error); 2367 2368 error = vt_change_font(vw, vf); 2369 vtfont_unref(vf); 2370 return (error); 2371 } 2372 case PIO_VFONT_DEFAULT: { 2373 /* Reset to default font. */ 2374 error = vt_change_font(vw, &vt_font_default); 2375 return (error); 2376 } 2377 case GIO_SCRNMAP: { 2378 scrmap_t *sm = (scrmap_t *)data; 2379 2380 /* We don't have screen maps, so return a handcrafted one. */ 2381 for (i = 0; i < 256; i++) 2382 sm->scrmap[i] = i; 2383 return (0); 2384 } 2385 case KDSETMODE: 2386 /* 2387 * FIXME: This implementation is incomplete compared to 2388 * syscons. 2389 */ 2390 switch (*(int *)data) { 2391 case KD_TEXT: 2392 case KD_TEXT1: 2393 case KD_PIXEL: 2394 vw->vw_flags &= ~VWF_GRAPHICS; 2395 break; 2396 case KD_GRAPHICS: 2397 vw->vw_flags |= VWF_GRAPHICS; 2398 break; 2399 } 2400 return (0); 2401 case KDENABIO: /* allow io operations */ 2402 error = priv_check(td, PRIV_IO); 2403 if (error != 0) 2404 return (error); 2405 error = securelevel_gt(td->td_ucred, 0); 2406 if (error != 0) 2407 return (error); 2408 #if defined(__i386__) 2409 td->td_frame->tf_eflags |= PSL_IOPL; 2410 #elif defined(__amd64__) 2411 td->td_frame->tf_rflags |= PSL_IOPL; 2412 #endif 2413 return (0); 2414 case KDDISABIO: /* disallow io operations (default) */ 2415 #if defined(__i386__) 2416 td->td_frame->tf_eflags &= ~PSL_IOPL; 2417 #elif defined(__amd64__) 2418 td->td_frame->tf_rflags &= ~PSL_IOPL; 2419 #endif 2420 return (0); 2421 case KDMKTONE: /* sound the bell */ 2422 vtterm_beep(tm, *(u_int *)data); 2423 return (0); 2424 case KIOCSOUND: /* make tone (*data) hz */ 2425 /* TODO */ 2426 return (0); 2427 case CONS_SETKBD: /* set the new keyboard */ 2428 mtx_lock(&Giant); 2429 error = 0; 2430 if (vd->vd_keyboard != *(int *)data) { 2431 kbd = kbd_get_keyboard(*(int *)data); 2432 if (kbd == NULL) { 2433 mtx_unlock(&Giant); 2434 return (EINVAL); 2435 } 2436 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, 2437 (void *)vd, vt_kbdevent, vd); 2438 if (i >= 0) { 2439 if (vd->vd_keyboard != -1) { 2440 kbd = kbd_get_keyboard(vd->vd_keyboard); 2441 vt_save_kbd_state(vd->vd_curwindow, kbd); 2442 kbd_release(kbd, (void *)vd); 2443 } 2444 kbd = kbd_get_keyboard(i); 2445 vd->vd_keyboard = i; 2446 2447 vt_update_kbd_mode(vd->vd_curwindow, kbd); 2448 vt_update_kbd_state(vd->vd_curwindow, kbd); 2449 } else { 2450 error = EPERM; /* XXX */ 2451 } 2452 } 2453 mtx_unlock(&Giant); 2454 return (error); 2455 case CONS_RELKBD: /* release the current keyboard */ 2456 mtx_lock(&Giant); 2457 error = 0; 2458 if (vd->vd_keyboard != -1) { 2459 kbd = kbd_get_keyboard(vd->vd_keyboard); 2460 if (kbd == NULL) { 2461 mtx_unlock(&Giant); 2462 return (EINVAL); 2463 } 2464 vt_save_kbd_state(vd->vd_curwindow, kbd); 2465 error = kbd_release(kbd, (void *)vd); 2466 if (error == 0) { 2467 vd->vd_keyboard = -1; 2468 } 2469 } 2470 mtx_unlock(&Giant); 2471 return (error); 2472 case VT_ACTIVATE: { 2473 int win; 2474 win = *(int *)data - 1; 2475 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME, 2476 VT_UNIT(vw), win); 2477 if ((win >= VT_MAXWINDOWS) || (win < 0)) 2478 return (EINVAL); 2479 return (vt_proc_window_switch(vd->vd_windows[win])); 2480 } 2481 case VT_GETACTIVE: 2482 *(int *)data = vd->vd_curwindow->vw_number + 1; 2483 return (0); 2484 case VT_GETINDEX: 2485 *(int *)data = vw->vw_number + 1; 2486 return (0); 2487 case VT_LOCKSWITCH: 2488 /* TODO: Check current state, switching can be in progress. */ 2489 if ((*(int *)data) == 0x01) 2490 vw->vw_flags |= VWF_VTYLOCK; 2491 else if ((*(int *)data) == 0x02) 2492 vw->vw_flags &= ~VWF_VTYLOCK; 2493 else 2494 return (EINVAL); 2495 return (0); 2496 case VT_OPENQRY: 2497 VT_LOCK(vd); 2498 for (i = 0; i < VT_MAXWINDOWS; i++) { 2499 vw = vd->vd_windows[i]; 2500 if (vw == NULL) 2501 continue; 2502 if (!(vw->vw_flags & VWF_OPENED)) { 2503 *(int *)data = vw->vw_number + 1; 2504 VT_UNLOCK(vd); 2505 return (0); 2506 } 2507 } 2508 VT_UNLOCK(vd); 2509 return (EINVAL); 2510 case VT_WAITACTIVE: { 2511 unsigned int idx; 2512 2513 error = 0; 2514 2515 idx = *(unsigned int *)data; 2516 if (idx > VT_MAXWINDOWS) 2517 return (EINVAL); 2518 if (idx > 0) 2519 vw = vd->vd_windows[idx - 1]; 2520 2521 VT_LOCK(vd); 2522 while (vd->vd_curwindow != vw && error == 0) 2523 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2524 VT_UNLOCK(vd); 2525 return (error); 2526 } 2527 case VT_SETMODE: { /* set screen switcher mode */ 2528 struct vt_mode *mode; 2529 struct proc *p1; 2530 2531 mode = (struct vt_mode *)data; 2532 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw)); 2533 if (vw->vw_smode.mode == VT_PROCESS) { 2534 p1 = pfind(vw->vw_pid); 2535 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) { 2536 if (p1) 2537 PROC_UNLOCK(p1); 2538 DPRINTF(5, "error EPERM\n"); 2539 return (EPERM); 2540 } 2541 if (p1) 2542 PROC_UNLOCK(p1); 2543 } 2544 if (mode->mode == VT_AUTO) { 2545 vw->vw_smode.mode = VT_AUTO; 2546 vw->vw_proc = NULL; 2547 vw->vw_pid = 0; 2548 DPRINTF(5, "VT_AUTO, "); 2549 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2550 cnavailable(vw->vw_terminal->consdev, TRUE); 2551 /* were we in the middle of the vty switching process? */ 2552 if (finish_vt_rel(vw, TRUE, &s) == 0) 2553 DPRINTF(5, "reset WAIT_REL, "); 2554 if (finish_vt_acq(vw) == 0) 2555 DPRINTF(5, "reset WAIT_ACQ, "); 2556 return (0); 2557 } else if (mode->mode == VT_PROCESS) { 2558 if (!ISSIGVALID(mode->relsig) || 2559 !ISSIGVALID(mode->acqsig) || 2560 !ISSIGVALID(mode->frsig)) { 2561 DPRINTF(5, "error EINVAL\n"); 2562 return (EINVAL); 2563 } 2564 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid); 2565 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode)); 2566 vw->vw_proc = td->td_proc; 2567 vw->vw_pid = vw->vw_proc->p_pid; 2568 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2569 cnavailable(vw->vw_terminal->consdev, FALSE); 2570 } else { 2571 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n", 2572 mode->mode); 2573 return (EINVAL); 2574 } 2575 DPRINTF(5, "\n"); 2576 return (0); 2577 } 2578 case VT_GETMODE: /* get screen switcher mode */ 2579 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode)); 2580 return (0); 2581 2582 case VT_RELDISP: /* screen switcher ioctl */ 2583 /* 2584 * This must be the current vty which is in the VT_PROCESS 2585 * switching mode... 2586 */ 2587 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode != 2588 VT_PROCESS)) { 2589 return (EINVAL); 2590 } 2591 /* ...and this process is controlling it. */ 2592 if (vw->vw_proc != td->td_proc) { 2593 return (EPERM); 2594 } 2595 error = EINVAL; 2596 switch(*(int *)data) { 2597 case VT_FALSE: /* user refuses to release screen, abort */ 2598 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0) 2599 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n", 2600 SC_DRIVER_NAME, VT_UNIT(vw)); 2601 break; 2602 case VT_TRUE: /* user has released screen, go on */ 2603 /* finish_vt_rel(..., TRUE, ...) should not be locked */ 2604 if (vw->vw_flags & VWF_SWWAIT_REL) { 2605 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0) 2606 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n", 2607 SC_DRIVER_NAME, VT_UNIT(vw)); 2608 } else { 2609 error = EINVAL; 2610 } 2611 return (error); 2612 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 2613 if ((error = finish_vt_acq(vw)) == 0) 2614 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n", 2615 SC_DRIVER_NAME, VT_UNIT(vw)); 2616 break; 2617 default: 2618 break; 2619 } 2620 return (error); 2621 } 2622 2623 return (ENOIOCTL); 2624 } 2625 2626 static struct vt_window * 2627 vt_allocate_window(struct vt_device *vd, unsigned int window) 2628 { 2629 struct vt_window *vw; 2630 struct terminal *tm; 2631 term_pos_t size; 2632 struct winsize wsz; 2633 2634 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO); 2635 vw->vw_device = vd; 2636 vw->vw_number = window; 2637 vw->vw_kbdmode = K_XLATE; 2638 2639 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 2640 vw->vw_font = vtfont_ref(&vt_font_default); 2641 vt_compute_drawable_area(vw); 2642 } 2643 2644 vt_termsize(vd, vw->vw_font, &size); 2645 vt_winsize(vd, vw->vw_font, &wsz); 2646 vtbuf_init(&vw->vw_buf, &size); 2647 2648 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw); 2649 terminal_set_winsize(tm, &wsz); 2650 vd->vd_windows[window] = vw; 2651 callout_init(&vw->vw_proc_dead_timer, 0); 2652 2653 return (vw); 2654 } 2655 2656 void 2657 vt_upgrade(struct vt_device *vd) 2658 { 2659 struct vt_window *vw; 2660 unsigned int i; 2661 int register_handlers; 2662 2663 if (!vty_enabled(VTY_VT)) 2664 return; 2665 if (main_vd->vd_driver == NULL) 2666 return; 2667 2668 for (i = 0; i < VT_MAXWINDOWS; i++) { 2669 vw = vd->vd_windows[i]; 2670 if (vw == NULL) { 2671 /* New window. */ 2672 vw = vt_allocate_window(vd, i); 2673 } 2674 if (!(vw->vw_flags & VWF_READY)) { 2675 callout_init(&vw->vw_proc_dead_timer, 0); 2676 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw)); 2677 vw->vw_flags |= VWF_READY; 2678 if (vw->vw_flags & VWF_CONSOLE) { 2679 /* For existing console window. */ 2680 EVENTHANDLER_REGISTER(shutdown_pre_sync, 2681 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT); 2682 } 2683 } 2684 2685 } 2686 VT_LOCK(vd); 2687 if (vd->vd_curwindow == NULL) 2688 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW]; 2689 2690 register_handlers = 0; 2691 if (!(vd->vd_flags & VDF_ASYNC)) { 2692 /* Attach keyboard. */ 2693 vt_allocate_keyboard(vd); 2694 2695 /* Init 25 Hz timer. */ 2696 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0); 2697 2698 /* 2699 * Start timer when everything ready. 2700 * Note that the operations here are purposefully ordered. 2701 * We need to ensure vd_timer_armed is non-zero before we set 2702 * the VDF_ASYNC flag. That prevents this function from 2703 * racing with vt_resume_flush_timer() to update the 2704 * callout structure. 2705 */ 2706 atomic_add_acq_int(&vd->vd_timer_armed, 1); 2707 vd->vd_flags |= VDF_ASYNC; 2708 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd); 2709 register_handlers = 1; 2710 } 2711 2712 VT_UNLOCK(vd); 2713 2714 /* Refill settings with new sizes. */ 2715 vt_resize(vd); 2716 2717 if (register_handlers) { 2718 /* Register suspend/resume handlers. */ 2719 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler, 2720 vd, EVENTHANDLER_PRI_ANY); 2721 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd, 2722 EVENTHANDLER_PRI_ANY); 2723 } 2724 } 2725 2726 static void 2727 vt_resize(struct vt_device *vd) 2728 { 2729 struct vt_window *vw; 2730 int i; 2731 2732 for (i = 0; i < VT_MAXWINDOWS; i++) { 2733 vw = vd->vd_windows[i]; 2734 VT_LOCK(vd); 2735 /* Assign default font to window, if not textmode. */ 2736 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL) 2737 vw->vw_font = vtfont_ref(&vt_font_default); 2738 VT_UNLOCK(vd); 2739 2740 /* Resize terminal windows */ 2741 while (vt_change_font(vw, vw->vw_font) == EBUSY) { 2742 DPRINTF(100, "%s: vt_change_font() is busy, " 2743 "window %d\n", __func__, i); 2744 } 2745 } 2746 } 2747 2748 static void 2749 vt_replace_backend(const struct vt_driver *drv, void *softc) 2750 { 2751 struct vt_device *vd; 2752 2753 vd = main_vd; 2754 2755 if (vd->vd_flags & VDF_ASYNC) { 2756 /* Stop vt_flush periodic task. */ 2757 VT_LOCK(vd); 2758 vt_suspend_flush_timer(vd); 2759 VT_UNLOCK(vd); 2760 /* 2761 * Mute current terminal until we done. vt_change_font (called 2762 * from vt_resize) will unmute it. 2763 */ 2764 terminal_mute(vd->vd_curwindow->vw_terminal, 1); 2765 } 2766 2767 /* 2768 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will 2769 * set it. 2770 */ 2771 VT_LOCK(vd); 2772 vd->vd_flags &= ~VDF_TEXTMODE; 2773 2774 if (drv != NULL) { 2775 /* 2776 * We want to upgrade from the current driver to the 2777 * given driver. 2778 */ 2779 2780 vd->vd_prev_driver = vd->vd_driver; 2781 vd->vd_prev_softc = vd->vd_softc; 2782 vd->vd_driver = drv; 2783 vd->vd_softc = softc; 2784 2785 vd->vd_driver->vd_init(vd); 2786 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) { 2787 /* 2788 * No driver given: we want to downgrade to the previous 2789 * driver. 2790 */ 2791 const struct vt_driver *old_drv; 2792 void *old_softc; 2793 2794 old_drv = vd->vd_driver; 2795 old_softc = vd->vd_softc; 2796 2797 vd->vd_driver = vd->vd_prev_driver; 2798 vd->vd_softc = vd->vd_prev_softc; 2799 vd->vd_prev_driver = NULL; 2800 vd->vd_prev_softc = NULL; 2801 2802 vd->vd_flags |= VDF_DOWNGRADE; 2803 2804 vd->vd_driver->vd_init(vd); 2805 2806 if (old_drv->vd_fini) 2807 old_drv->vd_fini(vd, old_softc); 2808 2809 vd->vd_flags &= ~VDF_DOWNGRADE; 2810 } 2811 2812 VT_UNLOCK(vd); 2813 2814 /* Update windows sizes and initialize last items. */ 2815 vt_upgrade(vd); 2816 2817 #ifdef DEV_SPLASH 2818 if (vd->vd_flags & VDF_SPLASH) 2819 vtterm_splash(vd); 2820 #endif 2821 2822 if (vd->vd_flags & VDF_ASYNC) { 2823 /* Allow to put chars now. */ 2824 terminal_mute(vd->vd_curwindow->vw_terminal, 0); 2825 /* Rerun timer for screen updates. */ 2826 vt_resume_flush_timer(vd->vd_curwindow, 0); 2827 } 2828 2829 /* 2830 * Register as console. If it already registered, cnadd() will ignore 2831 * it. 2832 */ 2833 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal); 2834 } 2835 2836 static void 2837 vt_suspend_handler(void *priv) 2838 { 2839 struct vt_device *vd; 2840 2841 vd = priv; 2842 vd->vd_flags |= VDF_SUSPENDED; 2843 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL) 2844 vd->vd_driver->vd_suspend(vd); 2845 } 2846 2847 static void 2848 vt_resume_handler(void *priv) 2849 { 2850 struct vt_device *vd; 2851 2852 vd = priv; 2853 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL) 2854 vd->vd_driver->vd_resume(vd); 2855 vd->vd_flags &= ~VDF_SUSPENDED; 2856 } 2857 2858 void 2859 vt_allocate(const struct vt_driver *drv, void *softc) 2860 { 2861 2862 if (!vty_enabled(VTY_VT)) 2863 return; 2864 2865 if (main_vd->vd_driver == NULL) { 2866 main_vd->vd_driver = drv; 2867 printf("VT: initialize with new VT driver \"%s\".\n", 2868 drv->vd_name); 2869 } else { 2870 /* 2871 * Check if have rights to replace current driver. For example: 2872 * it is bad idea to replace KMS driver with generic VGA one. 2873 */ 2874 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) { 2875 printf("VT: Driver priority %d too low. Current %d\n ", 2876 drv->vd_priority, main_vd->vd_driver->vd_priority); 2877 return; 2878 } 2879 printf("VT: Replacing driver \"%s\" with new \"%s\".\n", 2880 main_vd->vd_driver->vd_name, drv->vd_name); 2881 } 2882 2883 vt_replace_backend(drv, softc); 2884 } 2885 2886 void 2887 vt_deallocate(const struct vt_driver *drv, void *softc) 2888 { 2889 2890 if (!vty_enabled(VTY_VT)) 2891 return; 2892 2893 if (main_vd->vd_prev_driver == NULL || 2894 main_vd->vd_driver != drv || 2895 main_vd->vd_softc != softc) 2896 return; 2897 2898 printf("VT: Switching back from \"%s\" to \"%s\".\n", 2899 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name); 2900 2901 vt_replace_backend(NULL, NULL); 2902 } 2903 2904 void 2905 vt_suspend(struct vt_device *vd) 2906 { 2907 int error; 2908 2909 if (vt_suspendswitch == 0) 2910 return; 2911 /* Save current window. */ 2912 vd->vd_savedwindow = vd->vd_curwindow; 2913 /* Ask holding process to free window and switch to console window */ 2914 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]); 2915 2916 /* Wait for the window switch to complete. */ 2917 error = 0; 2918 VT_LOCK(vd); 2919 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0) 2920 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2921 VT_UNLOCK(vd); 2922 } 2923 2924 void 2925 vt_resume(struct vt_device *vd) 2926 { 2927 2928 if (vt_suspendswitch == 0) 2929 return; 2930 /* Switch back to saved window, if any */ 2931 vt_proc_window_switch(vd->vd_savedwindow); 2932 vd->vd_savedwindow = NULL; 2933 } 2934