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 grabbed, i, idx0, idx; 981 keyboard_t *k0, *k; 982 keyboard_info_t ki; 983 984 /* 985 * If vt_upgrade() happens while the console is grabbed, we are 986 * potentially going to switch keyboard devices while the keyboard is in 987 * use. Unwind the grabbing of the current keyboard first, then we will 988 * re-grab the new keyboard below, before we return. 989 */ 990 if (vd->vd_curwindow == &vt_conswindow) { 991 grabbed = vd->vd_curwindow->vw_grabbed; 992 for (i = 0; i < grabbed; ++i) 993 vtterm_cnungrab(vd->vd_curwindow->vw_terminal); 994 } 995 996 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd); 997 if (idx0 >= 0) { 998 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0); 999 k0 = kbd_get_keyboard(idx0); 1000 1001 for (idx = kbd_find_keyboard2("*", -1, 0); 1002 idx != -1; 1003 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 1004 k = kbd_get_keyboard(idx); 1005 1006 if (idx == idx0 || KBD_IS_BUSY(k)) 1007 continue; 1008 1009 bzero(&ki, sizeof(ki)); 1010 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name)); 1011 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0'; 1012 ki.kb_unit = k->kb_unit; 1013 1014 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 1015 } 1016 } else { 1017 DPRINTF(20, "%s: no kbdmux allocated\n", __func__); 1018 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd); 1019 if (idx0 < 0) { 1020 DPRINTF(10, "%s: No keyboard found.\n", __func__); 1021 return (-1); 1022 } 1023 } 1024 vd->vd_keyboard = idx0; 1025 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard); 1026 1027 if (vd->vd_curwindow == &vt_conswindow) { 1028 for (i = 0; i < grabbed; ++i) 1029 vtterm_cngrab(vd->vd_curwindow->vw_terminal); 1030 } 1031 1032 return (idx0); 1033 } 1034 1035 static void 1036 vtterm_bell(struct terminal *tm) 1037 { 1038 struct vt_window *vw = tm->tm_softc; 1039 struct vt_device *vd = vw->vw_device; 1040 1041 if (!vt_enable_bell) 1042 return; 1043 1044 if (vd->vd_flags & VDF_QUIET_BELL) 1045 return; 1046 1047 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION); 1048 } 1049 1050 static void 1051 vtterm_beep(struct terminal *tm, u_int param) 1052 { 1053 u_int freq, period; 1054 1055 if (!vt_enable_bell) 1056 return; 1057 1058 if ((param == 0) || ((param & 0xffff) == 0)) { 1059 vtterm_bell(tm); 1060 return; 1061 } 1062 1063 period = ((param >> 16) & 0xffff) * hz / 1000; 1064 freq = 1193182 / (param & 0xffff); 1065 1066 sysbeep(freq, period); 1067 } 1068 1069 static void 1070 vtterm_cursor(struct terminal *tm, const term_pos_t *p) 1071 { 1072 struct vt_window *vw = tm->tm_softc; 1073 1074 vtbuf_cursor_position(&vw->vw_buf, p); 1075 } 1076 1077 static void 1078 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c) 1079 { 1080 struct vt_window *vw = tm->tm_softc; 1081 1082 vtbuf_putchar(&vw->vw_buf, p, c); 1083 } 1084 1085 static void 1086 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c) 1087 { 1088 struct vt_window *vw = tm->tm_softc; 1089 1090 vtbuf_fill(&vw->vw_buf, r, c); 1091 } 1092 1093 static void 1094 vtterm_copy(struct terminal *tm, const term_rect_t *r, 1095 const term_pos_t *p) 1096 { 1097 struct vt_window *vw = tm->tm_softc; 1098 1099 vtbuf_copy(&vw->vw_buf, r, p); 1100 } 1101 1102 static void 1103 vtterm_param(struct terminal *tm, int cmd, unsigned int arg) 1104 { 1105 struct vt_window *vw = tm->tm_softc; 1106 1107 switch (cmd) { 1108 case TP_SETLOCALCURSOR: 1109 /* 1110 * 0 means normal (usually block), 1 means hidden, and 1111 * 2 means blinking (always block) for compatibility with 1112 * syscons. We don't support any changes except hiding, 1113 * so must map 2 to 0. 1114 */ 1115 arg = (arg == 1) ? 0 : 1; 1116 /* FALLTHROUGH */ 1117 case TP_SHOWCURSOR: 1118 vtbuf_cursor_visibility(&vw->vw_buf, arg); 1119 vt_resume_flush_timer(vw, 0); 1120 break; 1121 case TP_MOUSE: 1122 vw->vw_mouse_level = arg; 1123 break; 1124 } 1125 } 1126 1127 void 1128 vt_determine_colors(term_char_t c, int cursor, 1129 term_color_t *fg, term_color_t *bg) 1130 { 1131 term_color_t tmp; 1132 int invert; 1133 1134 invert = 0; 1135 1136 *fg = TCHAR_FGCOLOR(c); 1137 if (TCHAR_FORMAT(c) & TF_BOLD) 1138 *fg = TCOLOR_LIGHT(*fg); 1139 *bg = TCHAR_BGCOLOR(c); 1140 if (TCHAR_FORMAT(c) & TF_BLINK) 1141 *bg = TCOLOR_LIGHT(*bg); 1142 1143 if (TCHAR_FORMAT(c) & TF_REVERSE) 1144 invert ^= 1; 1145 if (cursor) 1146 invert ^= 1; 1147 1148 if (invert) { 1149 tmp = *fg; 1150 *fg = *bg; 1151 *bg = tmp; 1152 } 1153 } 1154 1155 #ifndef SC_NO_CUTPASTE 1156 int 1157 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area) 1158 { 1159 unsigned int mx, my; 1160 1161 /* 1162 * We use the cursor position saved during the current refresh, 1163 * in case the cursor moved since. 1164 */ 1165 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col; 1166 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row; 1167 1168 if (mx >= area->tr_end.tp_col || 1169 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col || 1170 my >= area->tr_end.tp_row || 1171 my + vd->vd_mcursor->height <= area->tr_begin.tp_row) 1172 return (0); 1173 return (1); 1174 } 1175 1176 static void 1177 vt_mark_mouse_position_as_dirty(struct vt_device *vd, int locked) 1178 { 1179 term_rect_t area; 1180 struct vt_window *vw; 1181 struct vt_font *vf; 1182 int x, y; 1183 1184 vw = vd->vd_curwindow; 1185 vf = vw->vw_font; 1186 1187 x = vd->vd_mx_drawn; 1188 y = vd->vd_my_drawn; 1189 1190 if (vf != NULL) { 1191 area.tr_begin.tp_col = x / vf->vf_width; 1192 area.tr_begin.tp_row = y / vf->vf_height; 1193 area.tr_end.tp_col = 1194 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1; 1195 area.tr_end.tp_row = 1196 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1; 1197 } else { 1198 /* 1199 * No font loaded (ie. vt_vga operating in textmode). 1200 * 1201 * FIXME: This fake area needs to be revisited once the 1202 * mouse cursor is supported in vt_vga's textmode. 1203 */ 1204 area.tr_begin.tp_col = x; 1205 area.tr_begin.tp_row = y; 1206 area.tr_end.tp_col = x + 2; 1207 area.tr_end.tp_row = y + 2; 1208 } 1209 1210 if (!locked) 1211 vtbuf_lock(&vw->vw_buf); 1212 if (vd->vd_driver->vd_invalidate_text) 1213 vd->vd_driver->vd_invalidate_text(vd, &area); 1214 vtbuf_dirty(&vw->vw_buf, &area); 1215 if (!locked) 1216 vtbuf_unlock(&vw->vw_buf); 1217 } 1218 #endif 1219 1220 static void 1221 vt_set_border(struct vt_device *vd, const term_rect_t *area, 1222 const term_color_t c) 1223 { 1224 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect; 1225 1226 if (drawrect == NULL) 1227 return; 1228 1229 /* Top bar */ 1230 if (area->tr_begin.tp_row > 0) 1231 drawrect(vd, 0, 0, vd->vd_width - 1, 1232 area->tr_begin.tp_row - 1, 1, c); 1233 1234 /* Left bar */ 1235 if (area->tr_begin.tp_col > 0) 1236 drawrect(vd, 0, area->tr_begin.tp_row, 1237 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c); 1238 1239 /* Right bar */ 1240 if (area->tr_end.tp_col < vd->vd_width) 1241 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row, 1242 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c); 1243 1244 /* Bottom bar */ 1245 if (area->tr_end.tp_row < vd->vd_height) 1246 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1, 1247 vd->vd_height - 1, 1, c); 1248 } 1249 1250 static int 1251 vt_flush(struct vt_device *vd) 1252 { 1253 struct vt_window *vw; 1254 struct vt_font *vf; 1255 term_rect_t tarea; 1256 #ifndef SC_NO_CUTPASTE 1257 int cursor_was_shown, cursor_moved; 1258 #endif 1259 1260 vw = vd->vd_curwindow; 1261 if (vw == NULL) 1262 return (0); 1263 1264 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY) 1265 return (0); 1266 1267 vf = vw->vw_font; 1268 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL)) 1269 return (0); 1270 1271 vtbuf_lock(&vw->vw_buf); 1272 1273 #ifndef SC_NO_CUTPASTE 1274 cursor_was_shown = vd->vd_mshown; 1275 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn || 1276 vd->vd_my != vd->vd_my_drawn); 1277 1278 /* Check if the cursor should be displayed or not. */ 1279 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */ 1280 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */ 1281 !kdb_active && panicstr == NULL) { /* DDB inactive. */ 1282 vd->vd_mshown = 1; 1283 } else { 1284 vd->vd_mshown = 0; 1285 } 1286 1287 /* 1288 * If the cursor changed display state or moved, we must mark 1289 * the old position as dirty, so that it's erased. 1290 */ 1291 if (cursor_was_shown != vd->vd_mshown || 1292 (vd->vd_mshown && cursor_moved)) 1293 vt_mark_mouse_position_as_dirty(vd, true); 1294 1295 /* 1296 * Save position of the mouse cursor. It's used by backends to 1297 * know where to draw the cursor and during the next refresh to 1298 * erase the previous position. 1299 */ 1300 vd->vd_mx_drawn = vd->vd_mx; 1301 vd->vd_my_drawn = vd->vd_my; 1302 1303 /* 1304 * If the cursor is displayed and has moved since last refresh, 1305 * mark the new position as dirty. 1306 */ 1307 if (vd->vd_mshown && cursor_moved) 1308 vt_mark_mouse_position_as_dirty(vd, true); 1309 #endif 1310 1311 vtbuf_undirty(&vw->vw_buf, &tarea); 1312 1313 /* Force a full redraw when the screen contents might be invalid. */ 1314 if (vd->vd_flags & (VDF_INVALID | VDF_SUSPENDED)) { 1315 vd->vd_flags &= ~VDF_INVALID; 1316 1317 vt_set_border(vd, &vw->vw_draw_area, TC_BLACK); 1318 vt_termrect(vd, vf, &tarea); 1319 if (vd->vd_driver->vd_invalidate_text) 1320 vd->vd_driver->vd_invalidate_text(vd, &tarea); 1321 if (vt_draw_logo_cpus) 1322 vtterm_draw_cpu_logos(vd); 1323 } 1324 1325 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) { 1326 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea); 1327 vtbuf_unlock(&vw->vw_buf); 1328 return (1); 1329 } 1330 1331 vtbuf_unlock(&vw->vw_buf); 1332 return (0); 1333 } 1334 1335 static void 1336 vt_timer(void *arg) 1337 { 1338 struct vt_device *vd; 1339 int changed; 1340 1341 vd = arg; 1342 /* Update screen if required. */ 1343 changed = vt_flush(vd); 1344 1345 /* Schedule for next update. */ 1346 if (changed) 1347 vt_schedule_flush(vd, 0); 1348 else 1349 vd->vd_timer_armed = 0; 1350 } 1351 1352 static void 1353 vtterm_pre_input(struct terminal *tm) 1354 { 1355 struct vt_window *vw = tm->tm_softc; 1356 1357 vtbuf_lock(&vw->vw_buf); 1358 } 1359 1360 static void 1361 vtterm_post_input(struct terminal *tm) 1362 { 1363 struct vt_window *vw = tm->tm_softc; 1364 1365 vtbuf_unlock(&vw->vw_buf); 1366 vt_resume_flush_timer(vw, 0); 1367 } 1368 1369 static void 1370 vtterm_done(struct terminal *tm) 1371 { 1372 struct vt_window *vw = tm->tm_softc; 1373 struct vt_device *vd = vw->vw_device; 1374 1375 if (kdb_active || panicstr != NULL) { 1376 /* Switch to the debugger. */ 1377 if (vd->vd_curwindow != vw) { 1378 vd->vd_curwindow = vw; 1379 vd->vd_flags |= VDF_INVALID; 1380 if (vd->vd_driver->vd_postswitch) 1381 vd->vd_driver->vd_postswitch(vd); 1382 } 1383 vd->vd_flags &= ~VDF_SPLASH; 1384 vt_flush(vd); 1385 } else if (!(vd->vd_flags & VDF_ASYNC)) { 1386 vt_flush(vd); 1387 } 1388 } 1389 1390 #ifdef DEV_SPLASH 1391 static void 1392 vtterm_splash(struct vt_device *vd) 1393 { 1394 vt_axis_t top, left; 1395 1396 /* Display a nice boot splash. */ 1397 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) { 1398 1399 top = (vd->vd_height - vt_logo_height) / 2; 1400 left = (vd->vd_width - vt_logo_width) / 2; 1401 switch (vt_logo_depth) { 1402 case 1: 1403 /* XXX: Unhardcode colors! */ 1404 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow, 1405 vt_logo_image, NULL, vt_logo_width, vt_logo_height, 1406 left, top, TC_WHITE, TC_BLACK); 1407 } 1408 vd->vd_flags |= VDF_SPLASH; 1409 } 1410 } 1411 #endif 1412 1413 1414 static void 1415 vtterm_cnprobe(struct terminal *tm, struct consdev *cp) 1416 { 1417 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL; 1418 struct vt_window *vw = tm->tm_softc; 1419 struct vt_device *vd = vw->vw_device; 1420 struct winsize wsz; 1421 term_attr_t attr; 1422 term_char_t c; 1423 1424 if (!vty_enabled(VTY_VT)) 1425 return; 1426 1427 if (vd->vd_flags & VDF_INITIALIZED) 1428 /* Initialization already done. */ 1429 return; 1430 1431 SET_FOREACH(vtdlist, vt_drv_set) { 1432 vtd = *vtdlist; 1433 if (vtd->vd_probe == NULL) 1434 continue; 1435 if (vtd->vd_probe(vd) == CN_DEAD) 1436 continue; 1437 if ((vtdbest == NULL) || 1438 (vtd->vd_priority > vtdbest->vd_priority)) 1439 vtdbest = vtd; 1440 } 1441 if (vtdbest == NULL) { 1442 cp->cn_pri = CN_DEAD; 1443 vd->vd_flags |= VDF_DEAD; 1444 } else { 1445 vd->vd_driver = vtdbest; 1446 cp->cn_pri = vd->vd_driver->vd_init(vd); 1447 } 1448 1449 /* Check if driver's vt_init return CN_DEAD. */ 1450 if (cp->cn_pri == CN_DEAD) { 1451 vd->vd_flags |= VDF_DEAD; 1452 } 1453 1454 /* Initialize any early-boot keyboard drivers */ 1455 kbd_configure(KB_CONF_PROBE_ONLY); 1456 1457 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1); 1458 vd->vd_windows[VT_CONSWINDOW] = vw; 1459 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw)); 1460 1461 /* Attach default font if not in TEXTMODE. */ 1462 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 1463 vw->vw_font = vtfont_ref(&vt_font_default); 1464 vt_compute_drawable_area(vw); 1465 } 1466 1467 /* 1468 * The original screen size was faked (_VTDEFW x _VTDEFH). Now 1469 * that we have the real viewable size, fix it in the static 1470 * buffer. 1471 */ 1472 if (vd->vd_width != 0 && vd->vd_height != 0) 1473 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size); 1474 1475 vtbuf_init_early(&vw->vw_buf); 1476 vt_winsize(vd, vw->vw_font, &wsz); 1477 c = (boothowto & RB_MUTE) == 0 ? TERMINAL_KERN_ATTR : 1478 TERMINAL_NORM_ATTR; 1479 attr.ta_format = TCHAR_FORMAT(c); 1480 attr.ta_fgcolor = TCHAR_FGCOLOR(c); 1481 attr.ta_bgcolor = TCHAR_BGCOLOR(c); 1482 terminal_set_winsize_blank(tm, &wsz, 1, &attr); 1483 1484 if (vtdbest != NULL) { 1485 #ifdef DEV_SPLASH 1486 if (!vt_splash_cpu) 1487 vtterm_splash(vd); 1488 #endif 1489 vd->vd_flags |= VDF_INITIALIZED; 1490 } 1491 } 1492 1493 static int 1494 vtterm_cngetc(struct terminal *tm) 1495 { 1496 struct vt_window *vw = tm->tm_softc; 1497 struct vt_device *vd = vw->vw_device; 1498 keyboard_t *kbd; 1499 u_int c; 1500 1501 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1502 return (*vw->vw_kbdsq++); 1503 1504 /* Make sure the splash screen is not there. */ 1505 if (vd->vd_flags & VDF_SPLASH) { 1506 /* Remove splash */ 1507 vd->vd_flags &= ~VDF_SPLASH; 1508 /* Mark screen as invalid to force update */ 1509 vd->vd_flags |= VDF_INVALID; 1510 vt_flush(vd); 1511 } 1512 1513 /* Stripped down keyboard handler. */ 1514 kbd = kbd_get_keyboard(vd->vd_keyboard); 1515 if (kbd == NULL) 1516 return (-1); 1517 1518 /* Force keyboard input mode to K_XLATE */ 1519 vw->vw_kbdmode = K_XLATE; 1520 vt_update_kbd_mode(vw, kbd); 1521 1522 /* Switch the keyboard to polling to make it work here. */ 1523 kbdd_poll(kbd, TRUE); 1524 c = kbdd_read_char(kbd, 0); 1525 kbdd_poll(kbd, FALSE); 1526 if (c & RELKEY) 1527 return (-1); 1528 1529 if (vw->vw_flags & VWF_SCROLL) { 1530 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */); 1531 vt_flush(vd); 1532 return (-1); 1533 } 1534 1535 /* Stripped down handling of vt_kbdevent(), without locking, etc. */ 1536 if (c & SPCLKEY) { 1537 switch (c) { 1538 case SPCLKEY | SLK: 1539 vt_save_kbd_state(vw, kbd); 1540 if (vw->vw_kbdstate & SLKED) { 1541 /* Turn scrolling on. */ 1542 vw->vw_flags |= VWF_SCROLL; 1543 VTBUF_SLCK_ENABLE(&vw->vw_buf); 1544 } else { 1545 /* Turn scrolling off. */ 1546 vt_scroll(vw, 0, VHS_END); 1547 vw->vw_flags &= ~VWF_SCROLL; 1548 VTBUF_SLCK_DISABLE(&vw->vw_buf); 1549 } 1550 break; 1551 /* XXX: KDB can handle history. */ 1552 case SPCLKEY | FKEY | F(50): /* Arrow up. */ 1553 vw->vw_kbdsq = "\x1b[A"; 1554 break; 1555 case SPCLKEY | FKEY | F(58): /* Arrow down. */ 1556 vw->vw_kbdsq = "\x1b[B"; 1557 break; 1558 case SPCLKEY | FKEY | F(55): /* Arrow right. */ 1559 vw->vw_kbdsq = "\x1b[C"; 1560 break; 1561 case SPCLKEY | FKEY | F(53): /* Arrow left. */ 1562 vw->vw_kbdsq = "\x1b[D"; 1563 break; 1564 } 1565 1566 /* Force refresh to make scrollback work. */ 1567 vt_flush(vd); 1568 } else if (KEYFLAGS(c) == 0) { 1569 return (KEYCHAR(c)); 1570 } 1571 1572 if (vw->vw_kbdsq && *vw->vw_kbdsq) 1573 return (*vw->vw_kbdsq++); 1574 1575 return (-1); 1576 } 1577 1578 static void 1579 vtterm_cngrab(struct terminal *tm) 1580 { 1581 struct vt_device *vd; 1582 struct vt_window *vw; 1583 keyboard_t *kbd; 1584 1585 vw = tm->tm_softc; 1586 vd = vw->vw_device; 1587 1588 if (!cold) 1589 vt_window_switch(vw); 1590 1591 kbd = kbd_get_keyboard(vd->vd_keyboard); 1592 if (kbd == NULL) 1593 return; 1594 1595 if (vw->vw_grabbed++ > 0) 1596 return; 1597 1598 /* 1599 * Make sure the keyboard is accessible even when the kbd device 1600 * driver is disabled. 1601 */ 1602 kbdd_enable(kbd); 1603 1604 /* We shall always use the keyboard in the XLATE mode here. */ 1605 vw->vw_prev_kbdmode = vw->vw_kbdmode; 1606 vw->vw_kbdmode = K_XLATE; 1607 vt_update_kbd_mode(vw, kbd); 1608 1609 kbdd_poll(kbd, TRUE); 1610 } 1611 1612 static void 1613 vtterm_cnungrab(struct terminal *tm) 1614 { 1615 struct vt_device *vd; 1616 struct vt_window *vw; 1617 keyboard_t *kbd; 1618 1619 vw = tm->tm_softc; 1620 vd = vw->vw_device; 1621 1622 kbd = kbd_get_keyboard(vd->vd_keyboard); 1623 if (kbd == NULL) 1624 return; 1625 1626 if (--vw->vw_grabbed > 0) 1627 return; 1628 1629 kbdd_poll(kbd, FALSE); 1630 1631 vw->vw_kbdmode = vw->vw_prev_kbdmode; 1632 vt_update_kbd_mode(vw, kbd); 1633 kbdd_disable(kbd); 1634 } 1635 1636 static void 1637 vtterm_opened(struct terminal *tm, int opened) 1638 { 1639 struct vt_window *vw = tm->tm_softc; 1640 struct vt_device *vd = vw->vw_device; 1641 1642 VT_LOCK(vd); 1643 vd->vd_flags &= ~VDF_SPLASH; 1644 if (opened) 1645 vw->vw_flags |= VWF_OPENED; 1646 else { 1647 vw->vw_flags &= ~VWF_OPENED; 1648 /* TODO: finish ACQ/REL */ 1649 } 1650 VT_UNLOCK(vd); 1651 } 1652 1653 static int 1654 vt_change_font(struct vt_window *vw, struct vt_font *vf) 1655 { 1656 struct vt_device *vd = vw->vw_device; 1657 struct terminal *tm = vw->vw_terminal; 1658 term_pos_t size; 1659 struct winsize wsz; 1660 1661 /* 1662 * Changing fonts. 1663 * 1664 * Changing fonts is a little tricky. We must prevent 1665 * simultaneous access to the device, so we must stop 1666 * the display timer and the terminal from accessing. 1667 * We need to switch fonts and grow our screen buffer. 1668 * 1669 * XXX: Right now the code uses terminal_mute() to 1670 * prevent data from reaching the console driver while 1671 * resizing the screen buffer. This isn't elegant... 1672 */ 1673 1674 VT_LOCK(vd); 1675 if (vw->vw_flags & VWF_BUSY) { 1676 /* Another process is changing the font. */ 1677 VT_UNLOCK(vd); 1678 return (EBUSY); 1679 } 1680 vw->vw_flags |= VWF_BUSY; 1681 VT_UNLOCK(vd); 1682 1683 vt_termsize(vd, vf, &size); 1684 vt_winsize(vd, vf, &wsz); 1685 1686 /* Grow the screen buffer and terminal. */ 1687 terminal_mute(tm, 1); 1688 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 1689 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 1690 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 1691 terminal_mute(tm, 0); 1692 1693 /* Actually apply the font to the current window. */ 1694 VT_LOCK(vd); 1695 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) { 1696 /* 1697 * In case vt_change_font called to update size we don't need 1698 * to update font link. 1699 */ 1700 vtfont_unref(vw->vw_font); 1701 vw->vw_font = vtfont_ref(vf); 1702 } 1703 1704 /* 1705 * Compute the drawable area and move the mouse cursor inside 1706 * it, in case the new area is smaller than the previous one. 1707 */ 1708 vt_compute_drawable_area(vw); 1709 vd->vd_mx = min(vd->vd_mx, 1710 vw->vw_draw_area.tr_end.tp_col - 1711 vw->vw_draw_area.tr_begin.tp_col - 1); 1712 vd->vd_my = min(vd->vd_my, 1713 vw->vw_draw_area.tr_end.tp_row - 1714 vw->vw_draw_area.tr_begin.tp_row - 1); 1715 1716 /* Force a full redraw the next timer tick. */ 1717 if (vd->vd_curwindow == vw) { 1718 vd->vd_flags |= VDF_INVALID; 1719 vt_resume_flush_timer(vw, 0); 1720 } 1721 vw->vw_flags &= ~VWF_BUSY; 1722 VT_UNLOCK(vd); 1723 return (0); 1724 } 1725 1726 static int 1727 vt_proc_alive(struct vt_window *vw) 1728 { 1729 struct proc *p; 1730 1731 if (vw->vw_smode.mode != VT_PROCESS) 1732 return (FALSE); 1733 1734 if (vw->vw_proc) { 1735 if ((p = pfind(vw->vw_pid)) != NULL) 1736 PROC_UNLOCK(p); 1737 if (vw->vw_proc == p) 1738 return (TRUE); 1739 vw->vw_proc = NULL; 1740 vw->vw_smode.mode = VT_AUTO; 1741 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid); 1742 vw->vw_pid = 0; 1743 } 1744 return (FALSE); 1745 } 1746 1747 static int 1748 signal_vt_rel(struct vt_window *vw) 1749 { 1750 1751 if (vw->vw_smode.mode != VT_PROCESS) 1752 return (FALSE); 1753 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1754 vw->vw_proc = NULL; 1755 vw->vw_pid = 0; 1756 return (TRUE); 1757 } 1758 vw->vw_flags |= VWF_SWWAIT_REL; 1759 PROC_LOCK(vw->vw_proc); 1760 kern_psignal(vw->vw_proc, vw->vw_smode.relsig); 1761 PROC_UNLOCK(vw->vw_proc); 1762 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid); 1763 return (TRUE); 1764 } 1765 1766 static int 1767 signal_vt_acq(struct vt_window *vw) 1768 { 1769 1770 if (vw->vw_smode.mode != VT_PROCESS) 1771 return (FALSE); 1772 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 1773 cnavailable(vw->vw_terminal->consdev, FALSE); 1774 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1775 vw->vw_proc = NULL; 1776 vw->vw_pid = 0; 1777 return (TRUE); 1778 } 1779 vw->vw_flags |= VWF_SWWAIT_ACQ; 1780 PROC_LOCK(vw->vw_proc); 1781 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig); 1782 PROC_UNLOCK(vw->vw_proc); 1783 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid); 1784 return (TRUE); 1785 } 1786 1787 static int 1788 finish_vt_rel(struct vt_window *vw, int release, int *s) 1789 { 1790 1791 if (vw->vw_flags & VWF_SWWAIT_REL) { 1792 vw->vw_flags &= ~VWF_SWWAIT_REL; 1793 if (release) { 1794 callout_drain(&vw->vw_proc_dead_timer); 1795 vt_late_window_switch(vw->vw_switch_to); 1796 } 1797 return (0); 1798 } 1799 return (EINVAL); 1800 } 1801 1802 static int 1803 finish_vt_acq(struct vt_window *vw) 1804 { 1805 1806 if (vw->vw_flags & VWF_SWWAIT_ACQ) { 1807 vw->vw_flags &= ~VWF_SWWAIT_ACQ; 1808 return (0); 1809 } 1810 return (EINVAL); 1811 } 1812 1813 #ifndef SC_NO_CUTPASTE 1814 static void 1815 vt_mouse_terminput_button(struct vt_device *vd, int button) 1816 { 1817 struct vt_window *vw; 1818 struct vt_font *vf; 1819 char mouseb[6] = "\x1B[M"; 1820 int i, x, y; 1821 1822 vw = vd->vd_curwindow; 1823 vf = vw->vw_font; 1824 1825 /* Translate to char position. */ 1826 x = vd->vd_mx / vf->vf_width; 1827 y = vd->vd_my / vf->vf_height; 1828 /* Avoid overflow. */ 1829 x = MIN(x, 255 - '!'); 1830 y = MIN(y, 255 - '!'); 1831 1832 mouseb[3] = ' ' + button; 1833 mouseb[4] = '!' + x; 1834 mouseb[5] = '!' + y; 1835 1836 for (i = 0; i < sizeof(mouseb); i++) 1837 terminal_input_char(vw->vw_terminal, mouseb[i]); 1838 } 1839 1840 static void 1841 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event, 1842 int cnt) 1843 { 1844 1845 switch (type) { 1846 case MOUSE_BUTTON_EVENT: 1847 if (cnt > 0) { 1848 /* Mouse button pressed. */ 1849 if (event & MOUSE_BUTTON1DOWN) 1850 vt_mouse_terminput_button(vd, 0); 1851 if (event & MOUSE_BUTTON2DOWN) 1852 vt_mouse_terminput_button(vd, 1); 1853 if (event & MOUSE_BUTTON3DOWN) 1854 vt_mouse_terminput_button(vd, 2); 1855 } else { 1856 /* Mouse button released. */ 1857 vt_mouse_terminput_button(vd, 3); 1858 } 1859 break; 1860 #ifdef notyet 1861 case MOUSE_MOTION_EVENT: 1862 if (mouse->u.data.z < 0) { 1863 /* Scroll up. */ 1864 sc_mouse_input_button(vd, 64); 1865 } else if (mouse->u.data.z > 0) { 1866 /* Scroll down. */ 1867 sc_mouse_input_button(vd, 65); 1868 } 1869 break; 1870 #endif 1871 } 1872 } 1873 1874 static void 1875 vt_mouse_paste() 1876 { 1877 term_char_t *buf; 1878 int i, len; 1879 1880 len = VD_PASTEBUFLEN(main_vd); 1881 buf = VD_PASTEBUF(main_vd); 1882 len /= sizeof(term_char_t); 1883 for (i = 0; i < len; i++) { 1884 if (buf[i] == '\0') 1885 continue; 1886 terminal_input_char(main_vd->vd_curwindow->vw_terminal, 1887 buf[i]); 1888 } 1889 } 1890 1891 void 1892 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel) 1893 { 1894 struct vt_device *vd; 1895 struct vt_window *vw; 1896 struct vt_font *vf; 1897 term_pos_t size; 1898 int len, mark; 1899 1900 vd = main_vd; 1901 vw = vd->vd_curwindow; 1902 vf = vw->vw_font; 1903 mark = 0; 1904 1905 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS)) 1906 /* 1907 * Either the mouse is disabled, or the window is in 1908 * "graphics mode". The graphics mode is usually set by 1909 * an X server, using the KDSETMODE ioctl. 1910 */ 1911 return; 1912 1913 if (vf == NULL) /* Text mode. */ 1914 return; 1915 1916 /* 1917 * TODO: add flag about pointer position changed, to not redraw chars 1918 * under mouse pointer when nothing changed. 1919 */ 1920 1921 if (vw->vw_mouse_level > 0) 1922 vt_mouse_terminput(vd, type, x, y, event, cnt); 1923 1924 switch (type) { 1925 case MOUSE_ACTION: 1926 case MOUSE_MOTION_EVENT: 1927 /* Movement */ 1928 x += vd->vd_mx; 1929 y += vd->vd_my; 1930 1931 vt_termsize(vd, vf, &size); 1932 1933 /* Apply limits. */ 1934 x = MAX(x, 0); 1935 y = MAX(y, 0); 1936 x = MIN(x, (size.tp_col * vf->vf_width) - 1); 1937 y = MIN(y, (size.tp_row * vf->vf_height) - 1); 1938 1939 vd->vd_mx = x; 1940 vd->vd_my = y; 1941 if (vd->vd_mstate & MOUSE_BUTTON1DOWN) 1942 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE, 1943 vd->vd_mx / vf->vf_width, 1944 vd->vd_my / vf->vf_height); 1945 1946 vt_resume_flush_timer(vw, 0); 1947 return; /* Done */ 1948 case MOUSE_BUTTON_EVENT: 1949 /* Buttons */ 1950 break; 1951 default: 1952 return; /* Done */ 1953 } 1954 1955 switch (event) { 1956 case MOUSE_BUTTON1DOWN: 1957 switch (cnt % 4) { 1958 case 0: /* up */ 1959 mark = VTB_MARK_END; 1960 break; 1961 case 1: /* single click: start cut operation */ 1962 mark = VTB_MARK_START; 1963 break; 1964 case 2: /* double click: cut a word */ 1965 mark = VTB_MARK_WORD; 1966 break; 1967 case 3: /* triple click: cut a line */ 1968 mark = VTB_MARK_ROW; 1969 break; 1970 } 1971 break; 1972 case VT_MOUSE_PASTEBUTTON: 1973 switch (cnt) { 1974 case 0: /* up */ 1975 break; 1976 default: 1977 vt_mouse_paste(); 1978 break; 1979 } 1980 return; /* Done */ 1981 case VT_MOUSE_EXTENDBUTTON: 1982 switch (cnt) { 1983 case 0: /* up */ 1984 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN)) 1985 mark = VTB_MARK_EXTEND; 1986 else 1987 mark = 0; 1988 break; 1989 default: 1990 mark = VTB_MARK_EXTEND; 1991 break; 1992 } 1993 break; 1994 default: 1995 return; /* Done */ 1996 } 1997 1998 /* Save buttons state. */ 1999 if (cnt > 0) 2000 vd->vd_mstate |= event; 2001 else 2002 vd->vd_mstate &= ~event; 2003 2004 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width, 2005 vd->vd_my / vf->vf_height) == 1) { 2006 /* 2007 * We have something marked to copy, so update pointer to 2008 * window with selection. 2009 */ 2010 vt_resume_flush_timer(vw, 0); 2011 2012 switch (mark) { 2013 case VTB_MARK_END: 2014 case VTB_MARK_WORD: 2015 case VTB_MARK_ROW: 2016 case VTB_MARK_EXTEND: 2017 break; 2018 default: 2019 /* Other types of mark do not require to copy data. */ 2020 return; 2021 } 2022 2023 /* Get current selection size in bytes. */ 2024 len = vtbuf_get_marked_len(&vw->vw_buf); 2025 if (len <= 0) 2026 return; 2027 2028 /* Reallocate buffer only if old one is too small. */ 2029 if (len > VD_PASTEBUFSZ(vd)) { 2030 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT, 2031 M_WAITOK | M_ZERO); 2032 /* Update buffer size. */ 2033 VD_PASTEBUFSZ(vd) = len; 2034 } 2035 /* Request copy/paste buffer data, no more than `len' */ 2036 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd), 2037 VD_PASTEBUFSZ(vd)); 2038 2039 VD_PASTEBUFLEN(vd) = len; 2040 2041 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */ 2042 } 2043 } 2044 2045 void 2046 vt_mouse_state(int show) 2047 { 2048 struct vt_device *vd; 2049 struct vt_window *vw; 2050 2051 vd = main_vd; 2052 vw = vd->vd_curwindow; 2053 2054 switch (show) { 2055 case VT_MOUSE_HIDE: 2056 vw->vw_flags |= VWF_MOUSE_HIDE; 2057 break; 2058 case VT_MOUSE_SHOW: 2059 vw->vw_flags &= ~VWF_MOUSE_HIDE; 2060 break; 2061 } 2062 2063 /* Mark mouse position as dirty. */ 2064 vt_mark_mouse_position_as_dirty(vd, false); 2065 vt_resume_flush_timer(vw, 0); 2066 } 2067 #endif 2068 2069 static int 2070 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr, 2071 int nprot, vm_memattr_t *memattr) 2072 { 2073 struct vt_window *vw = tm->tm_softc; 2074 struct vt_device *vd = vw->vw_device; 2075 2076 if (vd->vd_driver->vd_fb_mmap) 2077 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot, 2078 memattr)); 2079 2080 return (ENXIO); 2081 } 2082 2083 static int 2084 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data, 2085 struct thread *td) 2086 { 2087 struct vt_window *vw = tm->tm_softc; 2088 struct vt_device *vd = vw->vw_device; 2089 keyboard_t *kbd; 2090 int error, i, s; 2091 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 2092 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 2093 int ival; 2094 2095 switch (cmd) { 2096 case _IO('v', 4): 2097 cmd = VT_RELDISP; 2098 break; 2099 case _IO('v', 5): 2100 cmd = VT_ACTIVATE; 2101 break; 2102 case _IO('v', 6): 2103 cmd = VT_WAITACTIVE; 2104 break; 2105 case _IO('K', 20): 2106 cmd = KDSKBSTATE; 2107 break; 2108 case _IO('K', 67): 2109 cmd = KDSETRAD; 2110 break; 2111 case _IO('K', 7): 2112 cmd = KDSKBMODE; 2113 break; 2114 case _IO('K', 8): 2115 cmd = KDMKTONE; 2116 break; 2117 case _IO('K', 10): 2118 cmd = KDSETMODE; 2119 break; 2120 case _IO('K', 13): 2121 cmd = KDSBORDER; 2122 break; 2123 case _IO('K', 63): 2124 cmd = KIOCSOUND; 2125 break; 2126 case _IO('K', 66): 2127 cmd = KDSETLED; 2128 break; 2129 case _IO('c', 104): 2130 cmd = CONS_SETWINORG; 2131 break; 2132 case _IO('c', 110): 2133 cmd = CONS_SETKBD; 2134 break; 2135 default: 2136 goto skip_thunk; 2137 } 2138 ival = IOCPARM_IVAL(data); 2139 data = (caddr_t)&ival; 2140 skip_thunk: 2141 #endif 2142 2143 switch (cmd) { 2144 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 2145 if (*(int *)data & ~0x7f) 2146 return (EINVAL); 2147 /* FALLTHROUGH */ 2148 case GIO_KEYMAP: 2149 case PIO_KEYMAP: 2150 case GIO_DEADKEYMAP: 2151 case PIO_DEADKEYMAP: 2152 case GETFKEY: 2153 case SETFKEY: 2154 case KDGKBINFO: 2155 case KDGKBTYPE: 2156 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 2157 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 2158 case KBADDKBD: /* add/remove keyboard to/from mux */ 2159 case KBRELKBD: { 2160 error = 0; 2161 2162 mtx_lock(&Giant); 2163 kbd = kbd_get_keyboard(vd->vd_keyboard); 2164 if (kbd != NULL) 2165 error = kbdd_ioctl(kbd, cmd, data); 2166 mtx_unlock(&Giant); 2167 if (error == ENOIOCTL) { 2168 if (cmd == KDGKBTYPE) { 2169 /* always return something? XXX */ 2170 *(int *)data = 0; 2171 } else { 2172 return (ENODEV); 2173 } 2174 } 2175 return (error); 2176 } 2177 case KDGKBSTATE: { /* get keyboard state (locks) */ 2178 error = 0; 2179 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_save_kbd_state(vw, kbd); 2185 mtx_unlock(&Giant); 2186 2187 if (error != 0) 2188 return (error); 2189 } 2190 2191 *(int *)data = vw->vw_kbdstate & LOCK_MASK; 2192 2193 return (error); 2194 } 2195 case KDSKBSTATE: { /* set keyboard state (locks) */ 2196 int state; 2197 2198 state = *(int *)data; 2199 if (state & ~LOCK_MASK) 2200 return (EINVAL); 2201 2202 vw->vw_kbdstate &= ~LOCK_MASK; 2203 vw->vw_kbdstate |= state; 2204 2205 error = 0; 2206 if (vw == vd->vd_curwindow) { 2207 mtx_lock(&Giant); 2208 kbd = kbd_get_keyboard(vd->vd_keyboard); 2209 if (kbd != NULL) 2210 error = vt_update_kbd_state(vw, kbd); 2211 mtx_unlock(&Giant); 2212 } 2213 2214 return (error); 2215 } 2216 case KDGETLED: { /* get keyboard LED status */ 2217 error = 0; 2218 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_save_kbd_leds(vw, kbd); 2224 mtx_unlock(&Giant); 2225 2226 if (error != 0) 2227 return (error); 2228 } 2229 2230 *(int *)data = vw->vw_kbdstate & LED_MASK; 2231 2232 return (error); 2233 } 2234 case KDSETLED: { /* set keyboard LED status */ 2235 int leds; 2236 2237 leds = *(int *)data; 2238 if (leds & ~LED_MASK) 2239 return (EINVAL); 2240 2241 vw->vw_kbdstate &= ~LED_MASK; 2242 vw->vw_kbdstate |= leds; 2243 2244 error = 0; 2245 if (vw == vd->vd_curwindow) { 2246 mtx_lock(&Giant); 2247 kbd = kbd_get_keyboard(vd->vd_keyboard); 2248 if (kbd != NULL) 2249 error = vt_update_kbd_leds(vw, kbd); 2250 mtx_unlock(&Giant); 2251 } 2252 2253 return (error); 2254 } 2255 case KDGETMODE: 2256 *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ? 2257 KD_GRAPHICS : KD_TEXT; 2258 return (0); 2259 case KDGKBMODE: { 2260 error = 0; 2261 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_save_kbd_mode(vw, kbd); 2267 mtx_unlock(&Giant); 2268 2269 if (error != 0) 2270 return (error); 2271 } 2272 2273 *(int *)data = vw->vw_kbdmode; 2274 2275 return (error); 2276 } 2277 case KDSKBMODE: { 2278 int mode; 2279 2280 mode = *(int *)data; 2281 switch (mode) { 2282 case K_XLATE: 2283 case K_RAW: 2284 case K_CODE: 2285 vw->vw_kbdmode = mode; 2286 2287 error = 0; 2288 if (vw == vd->vd_curwindow) { 2289 mtx_lock(&Giant); 2290 kbd = kbd_get_keyboard(vd->vd_keyboard); 2291 if (kbd != NULL) 2292 error = vt_update_kbd_mode(vw, kbd); 2293 mtx_unlock(&Giant); 2294 } 2295 2296 return (error); 2297 default: 2298 return (EINVAL); 2299 } 2300 } 2301 case FBIOGTYPE: 2302 case FBIO_GETWINORG: /* get frame buffer window origin */ 2303 case FBIO_GETDISPSTART: /* get display start address */ 2304 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 2305 case FBIO_BLANK: /* blank display */ 2306 if (vd->vd_driver->vd_fb_ioctl) 2307 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td)); 2308 break; 2309 case CONS_BLANKTIME: 2310 /* XXX */ 2311 return (0); 2312 case CONS_HISTORY: 2313 if (*(int *)data < 0) 2314 return EINVAL; 2315 if (*(int *)data != vd->vd_curwindow->vw_buf.vb_history_size) 2316 vtbuf_sethistory_size(&vd->vd_curwindow->vw_buf, 2317 *(int *)data); 2318 return 0; 2319 case CONS_GET: 2320 /* XXX */ 2321 *(int *)data = M_CG640x480; 2322 return (0); 2323 case CONS_BELLTYPE: /* set bell type sound */ 2324 if ((*(int *)data) & CONS_QUIET_BELL) 2325 vd->vd_flags |= VDF_QUIET_BELL; 2326 else 2327 vd->vd_flags &= ~VDF_QUIET_BELL; 2328 return (0); 2329 case CONS_GETINFO: { 2330 vid_info_t *vi = (vid_info_t *)data; 2331 if (vi->size != sizeof(struct vid_info)) 2332 return (EINVAL); 2333 2334 if (vw == vd->vd_curwindow) { 2335 mtx_lock(&Giant); 2336 kbd = kbd_get_keyboard(vd->vd_keyboard); 2337 if (kbd != NULL) 2338 vt_save_kbd_state(vw, kbd); 2339 mtx_unlock(&Giant); 2340 } 2341 2342 vi->m_num = vd->vd_curwindow->vw_number + 1; 2343 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK; 2344 /* XXX: other fields! */ 2345 return (0); 2346 } 2347 case CONS_GETVERS: 2348 *(int *)data = 0x200; 2349 return (0); 2350 case CONS_MODEINFO: 2351 /* XXX */ 2352 return (0); 2353 case CONS_MOUSECTL: { 2354 mouse_info_t *mouse = (mouse_info_t*)data; 2355 2356 /* 2357 * All the commands except MOUSE_SHOW nd MOUSE_HIDE 2358 * should not be applied to individual TTYs, but only to 2359 * consolectl. 2360 */ 2361 switch (mouse->operation) { 2362 case MOUSE_HIDE: 2363 if (vd->vd_flags & VDF_MOUSECURSOR) { 2364 vd->vd_flags &= ~VDF_MOUSECURSOR; 2365 #ifndef SC_NO_CUTPASTE 2366 vt_mouse_state(VT_MOUSE_HIDE); 2367 #endif 2368 } 2369 return (0); 2370 case MOUSE_SHOW: 2371 if (!(vd->vd_flags & VDF_MOUSECURSOR)) { 2372 vd->vd_flags |= VDF_MOUSECURSOR; 2373 vd->vd_mx = vd->vd_width / 2; 2374 vd->vd_my = vd->vd_height / 2; 2375 #ifndef SC_NO_CUTPASTE 2376 vt_mouse_state(VT_MOUSE_SHOW); 2377 #endif 2378 } 2379 return (0); 2380 default: 2381 return (EINVAL); 2382 } 2383 } 2384 case PIO_VFONT: { 2385 struct vt_font *vf; 2386 2387 if (vd->vd_flags & VDF_TEXTMODE) 2388 return (ENOTSUP); 2389 2390 error = vtfont_load((void *)data, &vf); 2391 if (error != 0) 2392 return (error); 2393 2394 error = vt_change_font(vw, vf); 2395 vtfont_unref(vf); 2396 return (error); 2397 } 2398 case PIO_VFONT_DEFAULT: { 2399 /* Reset to default font. */ 2400 error = vt_change_font(vw, &vt_font_default); 2401 return (error); 2402 } 2403 case GIO_SCRNMAP: { 2404 scrmap_t *sm = (scrmap_t *)data; 2405 2406 /* We don't have screen maps, so return a handcrafted one. */ 2407 for (i = 0; i < 256; i++) 2408 sm->scrmap[i] = i; 2409 return (0); 2410 } 2411 case KDSETMODE: 2412 /* 2413 * FIXME: This implementation is incomplete compared to 2414 * syscons. 2415 */ 2416 switch (*(int *)data) { 2417 case KD_TEXT: 2418 case KD_TEXT1: 2419 case KD_PIXEL: 2420 vw->vw_flags &= ~VWF_GRAPHICS; 2421 break; 2422 case KD_GRAPHICS: 2423 vw->vw_flags |= VWF_GRAPHICS; 2424 break; 2425 } 2426 return (0); 2427 case KDENABIO: /* allow io operations */ 2428 error = priv_check(td, PRIV_IO); 2429 if (error != 0) 2430 return (error); 2431 error = securelevel_gt(td->td_ucred, 0); 2432 if (error != 0) 2433 return (error); 2434 #if defined(__i386__) 2435 td->td_frame->tf_eflags |= PSL_IOPL; 2436 #elif defined(__amd64__) 2437 td->td_frame->tf_rflags |= PSL_IOPL; 2438 #endif 2439 return (0); 2440 case KDDISABIO: /* disallow io operations (default) */ 2441 #if defined(__i386__) 2442 td->td_frame->tf_eflags &= ~PSL_IOPL; 2443 #elif defined(__amd64__) 2444 td->td_frame->tf_rflags &= ~PSL_IOPL; 2445 #endif 2446 return (0); 2447 case KDMKTONE: /* sound the bell */ 2448 vtterm_beep(tm, *(u_int *)data); 2449 return (0); 2450 case KIOCSOUND: /* make tone (*data) hz */ 2451 /* TODO */ 2452 return (0); 2453 case CONS_SETKBD: /* set the new keyboard */ 2454 mtx_lock(&Giant); 2455 error = 0; 2456 if (vd->vd_keyboard != *(int *)data) { 2457 kbd = kbd_get_keyboard(*(int *)data); 2458 if (kbd == NULL) { 2459 mtx_unlock(&Giant); 2460 return (EINVAL); 2461 } 2462 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, 2463 (void *)vd, vt_kbdevent, vd); 2464 if (i >= 0) { 2465 if (vd->vd_keyboard != -1) { 2466 kbd = kbd_get_keyboard(vd->vd_keyboard); 2467 vt_save_kbd_state(vd->vd_curwindow, kbd); 2468 kbd_release(kbd, (void *)vd); 2469 } 2470 kbd = kbd_get_keyboard(i); 2471 vd->vd_keyboard = i; 2472 2473 vt_update_kbd_mode(vd->vd_curwindow, kbd); 2474 vt_update_kbd_state(vd->vd_curwindow, kbd); 2475 } else { 2476 error = EPERM; /* XXX */ 2477 } 2478 } 2479 mtx_unlock(&Giant); 2480 return (error); 2481 case CONS_RELKBD: /* release the current keyboard */ 2482 mtx_lock(&Giant); 2483 error = 0; 2484 if (vd->vd_keyboard != -1) { 2485 kbd = kbd_get_keyboard(vd->vd_keyboard); 2486 if (kbd == NULL) { 2487 mtx_unlock(&Giant); 2488 return (EINVAL); 2489 } 2490 vt_save_kbd_state(vd->vd_curwindow, kbd); 2491 error = kbd_release(kbd, (void *)vd); 2492 if (error == 0) { 2493 vd->vd_keyboard = -1; 2494 } 2495 } 2496 mtx_unlock(&Giant); 2497 return (error); 2498 case VT_ACTIVATE: { 2499 int win; 2500 win = *(int *)data - 1; 2501 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME, 2502 VT_UNIT(vw), win); 2503 if ((win >= VT_MAXWINDOWS) || (win < 0)) 2504 return (EINVAL); 2505 return (vt_proc_window_switch(vd->vd_windows[win])); 2506 } 2507 case VT_GETACTIVE: 2508 *(int *)data = vd->vd_curwindow->vw_number + 1; 2509 return (0); 2510 case VT_GETINDEX: 2511 *(int *)data = vw->vw_number + 1; 2512 return (0); 2513 case VT_LOCKSWITCH: 2514 /* TODO: Check current state, switching can be in progress. */ 2515 if ((*(int *)data) == 0x01) 2516 vw->vw_flags |= VWF_VTYLOCK; 2517 else if ((*(int *)data) == 0x02) 2518 vw->vw_flags &= ~VWF_VTYLOCK; 2519 else 2520 return (EINVAL); 2521 return (0); 2522 case VT_OPENQRY: 2523 VT_LOCK(vd); 2524 for (i = 0; i < VT_MAXWINDOWS; i++) { 2525 vw = vd->vd_windows[i]; 2526 if (vw == NULL) 2527 continue; 2528 if (!(vw->vw_flags & VWF_OPENED)) { 2529 *(int *)data = vw->vw_number + 1; 2530 VT_UNLOCK(vd); 2531 return (0); 2532 } 2533 } 2534 VT_UNLOCK(vd); 2535 return (EINVAL); 2536 case VT_WAITACTIVE: { 2537 unsigned int idx; 2538 2539 error = 0; 2540 2541 idx = *(unsigned int *)data; 2542 if (idx > VT_MAXWINDOWS) 2543 return (EINVAL); 2544 if (idx > 0) 2545 vw = vd->vd_windows[idx - 1]; 2546 2547 VT_LOCK(vd); 2548 while (vd->vd_curwindow != vw && error == 0) 2549 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2550 VT_UNLOCK(vd); 2551 return (error); 2552 } 2553 case VT_SETMODE: { /* set screen switcher mode */ 2554 struct vt_mode *mode; 2555 struct proc *p1; 2556 2557 mode = (struct vt_mode *)data; 2558 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw)); 2559 if (vw->vw_smode.mode == VT_PROCESS) { 2560 p1 = pfind(vw->vw_pid); 2561 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) { 2562 if (p1) 2563 PROC_UNLOCK(p1); 2564 DPRINTF(5, "error EPERM\n"); 2565 return (EPERM); 2566 } 2567 if (p1) 2568 PROC_UNLOCK(p1); 2569 } 2570 if (mode->mode == VT_AUTO) { 2571 vw->vw_smode.mode = VT_AUTO; 2572 vw->vw_proc = NULL; 2573 vw->vw_pid = 0; 2574 DPRINTF(5, "VT_AUTO, "); 2575 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2576 cnavailable(vw->vw_terminal->consdev, TRUE); 2577 /* were we in the middle of the vty switching process? */ 2578 if (finish_vt_rel(vw, TRUE, &s) == 0) 2579 DPRINTF(5, "reset WAIT_REL, "); 2580 if (finish_vt_acq(vw) == 0) 2581 DPRINTF(5, "reset WAIT_ACQ, "); 2582 return (0); 2583 } else if (mode->mode == VT_PROCESS) { 2584 if (!ISSIGVALID(mode->relsig) || 2585 !ISSIGVALID(mode->acqsig) || 2586 !ISSIGVALID(mode->frsig)) { 2587 DPRINTF(5, "error EINVAL\n"); 2588 return (EINVAL); 2589 } 2590 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid); 2591 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode)); 2592 vw->vw_proc = td->td_proc; 2593 vw->vw_pid = vw->vw_proc->p_pid; 2594 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 2595 cnavailable(vw->vw_terminal->consdev, FALSE); 2596 } else { 2597 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n", 2598 mode->mode); 2599 return (EINVAL); 2600 } 2601 DPRINTF(5, "\n"); 2602 return (0); 2603 } 2604 case VT_GETMODE: /* get screen switcher mode */ 2605 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode)); 2606 return (0); 2607 2608 case VT_RELDISP: /* screen switcher ioctl */ 2609 /* 2610 * This must be the current vty which is in the VT_PROCESS 2611 * switching mode... 2612 */ 2613 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode != 2614 VT_PROCESS)) { 2615 return (EINVAL); 2616 } 2617 /* ...and this process is controlling it. */ 2618 if (vw->vw_proc != td->td_proc) { 2619 return (EPERM); 2620 } 2621 error = EINVAL; 2622 switch(*(int *)data) { 2623 case VT_FALSE: /* user refuses to release screen, abort */ 2624 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0) 2625 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n", 2626 SC_DRIVER_NAME, VT_UNIT(vw)); 2627 break; 2628 case VT_TRUE: /* user has released screen, go on */ 2629 /* finish_vt_rel(..., TRUE, ...) should not be locked */ 2630 if (vw->vw_flags & VWF_SWWAIT_REL) { 2631 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0) 2632 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n", 2633 SC_DRIVER_NAME, VT_UNIT(vw)); 2634 } else { 2635 error = EINVAL; 2636 } 2637 return (error); 2638 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 2639 if ((error = finish_vt_acq(vw)) == 0) 2640 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n", 2641 SC_DRIVER_NAME, VT_UNIT(vw)); 2642 break; 2643 default: 2644 break; 2645 } 2646 return (error); 2647 } 2648 2649 return (ENOIOCTL); 2650 } 2651 2652 static struct vt_window * 2653 vt_allocate_window(struct vt_device *vd, unsigned int window) 2654 { 2655 struct vt_window *vw; 2656 struct terminal *tm; 2657 term_pos_t size; 2658 struct winsize wsz; 2659 2660 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO); 2661 vw->vw_device = vd; 2662 vw->vw_number = window; 2663 vw->vw_kbdmode = K_XLATE; 2664 2665 if ((vd->vd_flags & VDF_TEXTMODE) == 0) { 2666 vw->vw_font = vtfont_ref(&vt_font_default); 2667 vt_compute_drawable_area(vw); 2668 } 2669 2670 vt_termsize(vd, vw->vw_font, &size); 2671 vt_winsize(vd, vw->vw_font, &wsz); 2672 vtbuf_init(&vw->vw_buf, &size); 2673 2674 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw); 2675 terminal_set_winsize(tm, &wsz); 2676 vd->vd_windows[window] = vw; 2677 callout_init(&vw->vw_proc_dead_timer, 0); 2678 2679 return (vw); 2680 } 2681 2682 void 2683 vt_upgrade(struct vt_device *vd) 2684 { 2685 struct vt_window *vw; 2686 unsigned int i; 2687 int register_handlers; 2688 2689 if (!vty_enabled(VTY_VT)) 2690 return; 2691 if (main_vd->vd_driver == NULL) 2692 return; 2693 2694 for (i = 0; i < VT_MAXWINDOWS; i++) { 2695 vw = vd->vd_windows[i]; 2696 if (vw == NULL) { 2697 /* New window. */ 2698 vw = vt_allocate_window(vd, i); 2699 } 2700 if (!(vw->vw_flags & VWF_READY)) { 2701 callout_init(&vw->vw_proc_dead_timer, 0); 2702 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw)); 2703 vw->vw_flags |= VWF_READY; 2704 if (vw->vw_flags & VWF_CONSOLE) { 2705 /* For existing console window. */ 2706 EVENTHANDLER_REGISTER(shutdown_pre_sync, 2707 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT); 2708 } 2709 } 2710 2711 } 2712 VT_LOCK(vd); 2713 if (vd->vd_curwindow == NULL) 2714 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW]; 2715 2716 register_handlers = 0; 2717 if (!(vd->vd_flags & VDF_ASYNC)) { 2718 /* Attach keyboard. */ 2719 vt_allocate_keyboard(vd); 2720 2721 /* Init 25 Hz timer. */ 2722 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0); 2723 2724 /* 2725 * Start timer when everything ready. 2726 * Note that the operations here are purposefully ordered. 2727 * We need to ensure vd_timer_armed is non-zero before we set 2728 * the VDF_ASYNC flag. That prevents this function from 2729 * racing with vt_resume_flush_timer() to update the 2730 * callout structure. 2731 */ 2732 atomic_add_acq_int(&vd->vd_timer_armed, 1); 2733 vd->vd_flags |= VDF_ASYNC; 2734 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd); 2735 register_handlers = 1; 2736 } 2737 2738 VT_UNLOCK(vd); 2739 2740 /* Refill settings with new sizes. */ 2741 vt_resize(vd); 2742 2743 if (register_handlers) { 2744 /* Register suspend/resume handlers. */ 2745 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler, 2746 vd, EVENTHANDLER_PRI_ANY); 2747 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd, 2748 EVENTHANDLER_PRI_ANY); 2749 } 2750 } 2751 2752 static void 2753 vt_resize(struct vt_device *vd) 2754 { 2755 struct vt_window *vw; 2756 int i; 2757 2758 for (i = 0; i < VT_MAXWINDOWS; i++) { 2759 vw = vd->vd_windows[i]; 2760 VT_LOCK(vd); 2761 /* Assign default font to window, if not textmode. */ 2762 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL) 2763 vw->vw_font = vtfont_ref(&vt_font_default); 2764 VT_UNLOCK(vd); 2765 2766 /* Resize terminal windows */ 2767 while (vt_change_font(vw, vw->vw_font) == EBUSY) { 2768 DPRINTF(100, "%s: vt_change_font() is busy, " 2769 "window %d\n", __func__, i); 2770 } 2771 } 2772 } 2773 2774 static void 2775 vt_replace_backend(const struct vt_driver *drv, void *softc) 2776 { 2777 struct vt_device *vd; 2778 2779 vd = main_vd; 2780 2781 if (vd->vd_flags & VDF_ASYNC) { 2782 /* Stop vt_flush periodic task. */ 2783 VT_LOCK(vd); 2784 vt_suspend_flush_timer(vd); 2785 VT_UNLOCK(vd); 2786 /* 2787 * Mute current terminal until we done. vt_change_font (called 2788 * from vt_resize) will unmute it. 2789 */ 2790 terminal_mute(vd->vd_curwindow->vw_terminal, 1); 2791 } 2792 2793 /* 2794 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will 2795 * set it. 2796 */ 2797 VT_LOCK(vd); 2798 vd->vd_flags &= ~VDF_TEXTMODE; 2799 2800 if (drv != NULL) { 2801 /* 2802 * We want to upgrade from the current driver to the 2803 * given driver. 2804 */ 2805 2806 vd->vd_prev_driver = vd->vd_driver; 2807 vd->vd_prev_softc = vd->vd_softc; 2808 vd->vd_driver = drv; 2809 vd->vd_softc = softc; 2810 2811 vd->vd_driver->vd_init(vd); 2812 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) { 2813 /* 2814 * No driver given: we want to downgrade to the previous 2815 * driver. 2816 */ 2817 const struct vt_driver *old_drv; 2818 void *old_softc; 2819 2820 old_drv = vd->vd_driver; 2821 old_softc = vd->vd_softc; 2822 2823 vd->vd_driver = vd->vd_prev_driver; 2824 vd->vd_softc = vd->vd_prev_softc; 2825 vd->vd_prev_driver = NULL; 2826 vd->vd_prev_softc = NULL; 2827 2828 vd->vd_flags |= VDF_DOWNGRADE; 2829 2830 vd->vd_driver->vd_init(vd); 2831 2832 if (old_drv->vd_fini) 2833 old_drv->vd_fini(vd, old_softc); 2834 2835 vd->vd_flags &= ~VDF_DOWNGRADE; 2836 } 2837 2838 VT_UNLOCK(vd); 2839 2840 /* Update windows sizes and initialize last items. */ 2841 vt_upgrade(vd); 2842 2843 #ifdef DEV_SPLASH 2844 if (vd->vd_flags & VDF_SPLASH) 2845 vtterm_splash(vd); 2846 #endif 2847 2848 if (vd->vd_flags & VDF_ASYNC) { 2849 /* Allow to put chars now. */ 2850 terminal_mute(vd->vd_curwindow->vw_terminal, 0); 2851 /* Rerun timer for screen updates. */ 2852 vt_resume_flush_timer(vd->vd_curwindow, 0); 2853 } 2854 2855 /* 2856 * Register as console. If it already registered, cnadd() will ignore 2857 * it. 2858 */ 2859 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal); 2860 } 2861 2862 static void 2863 vt_suspend_handler(void *priv) 2864 { 2865 struct vt_device *vd; 2866 2867 vd = priv; 2868 vd->vd_flags |= VDF_SUSPENDED; 2869 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL) 2870 vd->vd_driver->vd_suspend(vd); 2871 } 2872 2873 static void 2874 vt_resume_handler(void *priv) 2875 { 2876 struct vt_device *vd; 2877 2878 vd = priv; 2879 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL) 2880 vd->vd_driver->vd_resume(vd); 2881 vd->vd_flags &= ~VDF_SUSPENDED; 2882 } 2883 2884 void 2885 vt_allocate(const struct vt_driver *drv, void *softc) 2886 { 2887 2888 if (!vty_enabled(VTY_VT)) 2889 return; 2890 2891 if (main_vd->vd_driver == NULL) { 2892 main_vd->vd_driver = drv; 2893 printf("VT: initialize with new VT driver \"%s\".\n", 2894 drv->vd_name); 2895 } else { 2896 /* 2897 * Check if have rights to replace current driver. For example: 2898 * it is bad idea to replace KMS driver with generic VGA one. 2899 */ 2900 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) { 2901 printf("VT: Driver priority %d too low. Current %d\n ", 2902 drv->vd_priority, main_vd->vd_driver->vd_priority); 2903 return; 2904 } 2905 printf("VT: Replacing driver \"%s\" with new \"%s\".\n", 2906 main_vd->vd_driver->vd_name, drv->vd_name); 2907 } 2908 2909 vt_replace_backend(drv, softc); 2910 } 2911 2912 void 2913 vt_deallocate(const struct vt_driver *drv, void *softc) 2914 { 2915 2916 if (!vty_enabled(VTY_VT)) 2917 return; 2918 2919 if (main_vd->vd_prev_driver == NULL || 2920 main_vd->vd_driver != drv || 2921 main_vd->vd_softc != softc) 2922 return; 2923 2924 printf("VT: Switching back from \"%s\" to \"%s\".\n", 2925 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name); 2926 2927 vt_replace_backend(NULL, NULL); 2928 } 2929 2930 void 2931 vt_suspend(struct vt_device *vd) 2932 { 2933 int error; 2934 2935 if (vt_suspendswitch == 0) 2936 return; 2937 /* Save current window. */ 2938 vd->vd_savedwindow = vd->vd_curwindow; 2939 /* Ask holding process to free window and switch to console window */ 2940 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]); 2941 2942 /* Wait for the window switch to complete. */ 2943 error = 0; 2944 VT_LOCK(vd); 2945 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0) 2946 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 2947 VT_UNLOCK(vd); 2948 } 2949 2950 void 2951 vt_resume(struct vt_device *vd) 2952 { 2953 2954 if (vt_suspendswitch == 0) 2955 return; 2956 /* Switch back to saved window, if any */ 2957 vt_proc_window_switch(vd->vd_savedwindow); 2958 vd->vd_savedwindow = NULL; 2959 } 2960