vt_core.c revision 262861
1/*- 2 * Copyright (c) 2009, 2013 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Ed Schouten under sponsorship from the 6 * FreeBSD Foundation. 7 * 8 * Portions of this software were developed by Oleksandr Rybalko 9 * under sponsorship from the FreeBSD Foundation. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: stable/10/sys/dev/vt/vt_core.c 262861 2014-03-06 18:30:56Z jhb $"); 35 36#include "opt_compat.h" 37 38#include <sys/param.h> 39#include <sys/consio.h> 40#include <sys/eventhandler.h> 41#include <sys/fbio.h> 42#include <sys/kbio.h> 43#include <sys/kdb.h> 44#include <sys/kernel.h> 45#include <sys/lock.h> 46#include <sys/malloc.h> 47#include <sys/mutex.h> 48#include <sys/priv.h> 49#include <sys/proc.h> 50#include <sys/reboot.h> 51#include <sys/systm.h> 52#include <sys/terminal.h> 53 54#include <dev/kbd/kbdreg.h> 55#include <dev/vt/vt.h> 56 57#if defined(__i386__) || defined(__amd64__) 58#include <machine/psl.h> 59#include <machine/frame.h> 60#endif 61 62static tc_bell_t vtterm_bell; 63static tc_cursor_t vtterm_cursor; 64static tc_putchar_t vtterm_putchar; 65static tc_fill_t vtterm_fill; 66static tc_copy_t vtterm_copy; 67static tc_param_t vtterm_param; 68static tc_done_t vtterm_done; 69 70static tc_cnprobe_t vtterm_cnprobe; 71static tc_cngetc_t vtterm_cngetc; 72 73static tc_opened_t vtterm_opened; 74static tc_ioctl_t vtterm_ioctl; 75static tc_mmap_t vtterm_mmap; 76 77const struct terminal_class vt_termclass = { 78 .tc_bell = vtterm_bell, 79 .tc_cursor = vtterm_cursor, 80 .tc_putchar = vtterm_putchar, 81 .tc_fill = vtterm_fill, 82 .tc_copy = vtterm_copy, 83 .tc_param = vtterm_param, 84 .tc_done = vtterm_done, 85 86 .tc_cnprobe = vtterm_cnprobe, 87 .tc_cngetc = vtterm_cngetc, 88 89 .tc_opened = vtterm_opened, 90 .tc_ioctl = vtterm_ioctl, 91 .tc_mmap = vtterm_mmap, 92}; 93 94/* 95 * Use a constant timer of 25 Hz to redraw the screen. 96 * 97 * XXX: In theory we should only fire up the timer when there is really 98 * activity. Unfortunately we cannot always start timers. We really 99 * don't want to process kernel messages synchronously, because it 100 * really slows down the system. 101 */ 102#define VT_TIMERFREQ 25 103 104/* Bell pitch/duration. */ 105#define VT_BELLDURATION ((5 * hz + 99) / 100) 106#define VT_BELLPITCH 800 107 108#define VT_LOCK(vd) mtx_lock(&(vd)->vd_lock) 109#define VT_UNLOCK(vd) mtx_unlock(&(vd)->vd_lock) 110 111#define VT_UNIT(vw) ((vw)->vw_device->vd_unit * VT_MAXWINDOWS + \ 112 (vw)->vw_number) 113 114/* XXX while syscons is here. */ 115int sc_txtmouse_no_retrace_wait; 116 117static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD, 0, "vt(9) parameters"); 118VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)"); 119VT_SYSCTL_INT(debug, 0, "vt(9) debug level"); 120VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode"); 121VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend"); 122 123static unsigned int vt_unit = 0; 124static MALLOC_DEFINE(M_VT, "vt", "vt device"); 125struct vt_device *main_vd = NULL; 126 127/* Boot logo. */ 128extern unsigned int vt_logo_width; 129extern unsigned int vt_logo_height; 130extern unsigned int vt_logo_depth; 131extern unsigned char vt_logo_image[]; 132 133/* Font. */ 134extern struct vt_font vt_font_default; 135#ifndef SC_NO_CUTPASTE 136extern struct mouse_cursor vt_default_mouse_pointer; 137#endif 138 139static int signal_vt_rel(struct vt_window *); 140static int signal_vt_acq(struct vt_window *); 141static int finish_vt_rel(struct vt_window *, int, int *); 142static int finish_vt_acq(struct vt_window *); 143static int vt_window_switch(struct vt_window *); 144static int vt_late_window_switch(struct vt_window *); 145static int vt_proc_alive(struct vt_window *); 146static void vt_resize(struct vt_device *); 147 148static void 149vt_switch_timer(void *arg) 150{ 151 152 vt_late_window_switch((struct vt_window *)arg); 153} 154 155static int 156vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw) 157{ 158 159 DPRINTF(40, "%s\n", __func__); 160 curvw->vw_switch_to = vw; 161 /* Set timer to allow switch in case when process hang. */ 162 callout_reset(&vw->vw_proc_dead_timer, hz * vt_deadtimer, 163 vt_switch_timer, (void *)vw); 164 /* Notify process about vt switch attempt. */ 165 DPRINTF(30, "%s: Notify process.\n", __func__); 166 signal_vt_rel(curvw); 167 168 return (0); 169} 170 171static int 172vt_window_postswitch(struct vt_window *vw) 173{ 174 175 signal_vt_acq(vw); 176 return (0); 177} 178 179/* vt_late_window_switch will done VT switching for regular case. */ 180static int 181vt_late_window_switch(struct vt_window *vw) 182{ 183 int ret; 184 185 callout_stop(&vw->vw_proc_dead_timer); 186 187 ret = vt_window_switch(vw); 188 if (ret) 189 return (ret); 190 191 /* Notify owner process about terminal availability. */ 192 if (vw->vw_smode.mode == VT_PROCESS) { 193 ret = vt_window_postswitch(vw); 194 } 195 return (ret); 196} 197 198/* Switch window. */ 199static int 200vt_proc_window_switch(struct vt_window *vw) 201{ 202 struct vt_window *curvw; 203 struct vt_device *vd; 204 int ret; 205 206 if (vw->vw_flags & VWF_VTYLOCK) 207 return (EBUSY); 208 209 vd = vw->vw_device; 210 curvw = vd->vd_curwindow; 211 212 /* Ask current process permitions to switch away. */ 213 if (curvw->vw_smode.mode == VT_PROCESS) { 214 DPRINTF(30, "%s: VT_PROCESS ", __func__); 215 if (vt_proc_alive(curvw) == FALSE) { 216 DPRINTF(30, "Dead. Cleaning."); 217 /* Dead */ 218 } else { 219 DPRINTF(30, "%s: Signaling process.\n", __func__); 220 /* Alive, try to ask him. */ 221 ret = vt_window_preswitch(vw, curvw); 222 /* Wait for process answer or timeout. */ 223 return (ret); 224 } 225 DPRINTF(30, "\n"); 226 } 227 228 ret = vt_late_window_switch(vw); 229 return (ret); 230} 231 232/* Switch window ignoring process locking. */ 233static int 234vt_window_switch(struct vt_window *vw) 235{ 236 struct vt_device *vd = vw->vw_device; 237 struct vt_window *curvw = vd->vd_curwindow; 238 keyboard_t *kbd; 239 240 VT_LOCK(vd); 241 if (curvw == vw) { 242 /* Nothing to do. */ 243 VT_UNLOCK(vd); 244 return (0); 245 } 246 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) { 247 VT_UNLOCK(vd); 248 return (EINVAL); 249 } 250 251 vd->vd_curwindow = vw; 252 vd->vd_flags |= VDF_INVALID; 253 cv_broadcast(&vd->vd_winswitch); 254 VT_UNLOCK(vd); 255 256 if (vd->vd_driver->vd_postswitch) 257 vd->vd_driver->vd_postswitch(vd); 258 259 /* Restore per-window keyboard mode. */ 260 mtx_lock(&Giant); 261 kbd = kbd_get_keyboard(vd->vd_keyboard); 262 if (kbd != NULL) { 263 kbdd_ioctl(kbd, KDSKBMODE, (void *)&vw->vw_kbdmode); 264 } 265 mtx_unlock(&Giant); 266 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number); 267 268 return (0); 269} 270 271static inline void 272vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size) 273{ 274 275 size->tp_row = vd->vd_height; 276 size->tp_col = vd->vd_width; 277 if (vf != NULL) { 278 size->tp_row /= vf->vf_height; 279 size->tp_col /= vf->vf_width; 280 } 281} 282 283static inline void 284vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size) 285{ 286 287 size->ws_row = size->ws_ypixel = vd->vd_height; 288 size->ws_col = size->ws_xpixel = vd->vd_width; 289 if (vf != NULL) { 290 size->ws_row /= vf->vf_height; 291 size->ws_col /= vf->vf_width; 292 } 293} 294 295static void 296vt_scroll(struct vt_window *vw, int offset, int whence) 297{ 298 int diff; 299 term_pos_t size; 300 301 if ((vw->vw_flags & VWF_SCROLL) == 0) 302 return; 303 304 vt_termsize(vw->vw_device, vw->vw_font, &size); 305 306 diff = vthistory_seek(&vw->vw_buf, offset, whence); 307 /* 308 * Offset changed, please update Nth lines on sceen. 309 * +N - Nth lines at top; 310 * -N - Nth lines at bottom. 311 */ 312 313 if (diff < -size.tp_row || diff > size.tp_row) { 314 vw->vw_device->vd_flags |= VDF_INVALID; 315 return; 316 } 317 vw->vw_device->vd_flags |= VDF_INVALID; /*XXX*/ 318} 319 320static int 321vt_machine_kbdevent(int c) 322{ 323 324 switch (c) { 325 case SPCLKEY | DBG: 326 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger"); 327 return (1); 328 case SPCLKEY | RBT: 329 /* XXX: Make this configurable! */ 330 shutdown_nice(0); 331 return (1); 332 case SPCLKEY | HALT: 333 shutdown_nice(RB_HALT); 334 return (1); 335 case SPCLKEY | PDWN: 336 shutdown_nice(RB_HALT|RB_POWEROFF); 337 return (1); 338 }; 339 340 return (0); 341} 342 343static void 344vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console) 345{ 346 struct vt_device *vd; 347 term_pos_t size; 348 349 vd = vw->vw_device; 350 /* Only special keys handled in ScrollLock mode */ 351 if ((c & SPCLKEY) == 0) 352 return; 353 354 c &= ~SPCLKEY; 355 356 if (console == 0) { 357 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 358 vw = vd->vd_windows[c - F_SCR]; 359 if (vw != NULL) 360 vt_proc_window_switch(vw); 361 return; 362 } 363 VT_LOCK(vd); 364 } 365 366 switch (c) { 367 case SLK: { 368 /* Turn scrolling off. */ 369 vt_scroll(vw, 0, VHS_END); 370 VTBUF_SLCK_DISABLE(&vw->vw_buf); 371 vw->vw_flags &= ~VWF_SCROLL; 372 break; 373 } 374 case FKEY | F(49): /* Home key. */ 375 vt_scroll(vw, 0, VHS_SET); 376 break; 377 case FKEY | F(50): /* Arrow up. */ 378 vt_scroll(vw, -1, VHS_CUR); 379 break; 380 case FKEY | F(51): /* Page up. */ 381 vt_termsize(vd, vw->vw_font, &size); 382 vt_scroll(vw, -size.tp_row, VHS_CUR); 383 break; 384 case FKEY | F(57): /* End key. */ 385 vt_scroll(vw, 0, VHS_END); 386 break; 387 case FKEY | F(58): /* Arrow down. */ 388 vt_scroll(vw, 1, VHS_CUR); 389 break; 390 case FKEY | F(59): /* Page down. */ 391 vt_termsize(vd, vw->vw_font, &size); 392 vt_scroll(vw, size.tp_row, VHS_CUR); 393 break; 394 } 395 396 if (console == 0) 397 VT_UNLOCK(vd); 398} 399 400static int 401vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c) 402{ 403 struct vt_window *vw = vd->vd_curwindow; 404 int state = 0; 405 406#if VT_ALT_TO_ESC_HACK 407 if (c & RELKEY) { 408 switch (c & ~RELKEY) { 409 case (SPCLKEY | RALT): 410 if (vt_enable_altgr != 0) 411 break; 412 case (SPCLKEY | LALT): 413 vd->vd_kbstate &= ~ALKED; 414 } 415 /* Other keys ignored for RELKEY event. */ 416 return (0); 417 } else { 418 switch (c & ~RELKEY) { 419 case (SPCLKEY | RALT): 420 if (vt_enable_altgr != 0) 421 break; 422 case (SPCLKEY | LALT): 423 vd->vd_kbstate |= ALKED; 424 } 425 } 426#else 427 if (c & RELKEY) 428 /* Other keys ignored for RELKEY event. */ 429 return (0); 430#endif 431 432 if (vt_machine_kbdevent(c)) 433 return (0); 434 435 if (vw->vw_flags & VWF_SCROLL) { 436 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */); 437 /* Scroll mode keys handled, nothing to do more. */ 438 return (0); 439 } 440 441 if (c & SPCLKEY) { 442 c &= ~SPCLKEY; 443 444 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) { 445 vw = vd->vd_windows[c - F_SCR]; 446 if (vw != NULL) 447 vt_proc_window_switch(vw); 448 return (0); 449 } 450 451 switch (c) { 452 case SLK: { 453 454 kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state); 455 VT_LOCK(vd); 456 if (state & SLKED) { 457 /* Turn scrolling on. */ 458 vw->vw_flags |= VWF_SCROLL; 459 VTBUF_SLCK_ENABLE(&vw->vw_buf); 460 } else { 461 /* Turn scrolling off. */ 462 vw->vw_flags &= ~VWF_SCROLL; 463 VTBUF_SLCK_DISABLE(&vw->vw_buf); 464 vt_scroll(vw, 0, VHS_END); 465 } 466 VT_UNLOCK(vd); 467 break; 468 } 469 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3): 470 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6): 471 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9): 472 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12): 473 /* F1 through F12 keys. */ 474 terminal_input_special(vw->vw_terminal, 475 TKEY_F1 + c - (FKEY | F(1))); 476 break; 477 case FKEY | F(49): /* Home key. */ 478 terminal_input_special(vw->vw_terminal, TKEY_HOME); 479 break; 480 case FKEY | F(50): /* Arrow up. */ 481 terminal_input_special(vw->vw_terminal, TKEY_UP); 482 break; 483 case FKEY | F(51): /* Page up. */ 484 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP); 485 break; 486 case FKEY | F(53): /* Arrow left. */ 487 terminal_input_special(vw->vw_terminal, TKEY_LEFT); 488 break; 489 case FKEY | F(55): /* Arrow right. */ 490 terminal_input_special(vw->vw_terminal, TKEY_RIGHT); 491 break; 492 case FKEY | F(57): /* End key. */ 493 terminal_input_special(vw->vw_terminal, TKEY_END); 494 break; 495 case FKEY | F(58): /* Arrow down. */ 496 terminal_input_special(vw->vw_terminal, TKEY_DOWN); 497 break; 498 case FKEY | F(59): /* Page down. */ 499 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN); 500 break; 501 case FKEY | F(60): /* Insert key. */ 502 terminal_input_special(vw->vw_terminal, TKEY_INSERT); 503 break; 504 case FKEY | F(61): /* Delete key. */ 505 terminal_input_special(vw->vw_terminal, TKEY_DELETE); 506 break; 507 } 508 } else if (KEYFLAGS(c) == 0) { 509 /* Don't do UTF-8 conversion when doing raw mode. */ 510 if (vw->vw_kbdmode == K_XLATE) { 511#if VT_ALT_TO_ESC_HACK 512 if (vd->vd_kbstate & ALKED) { 513 /* 514 * Prepend ESC sequence if one of ALT keys down. 515 */ 516 terminal_input_char(vw->vw_terminal, 0x1b); 517 } 518#endif 519 520 terminal_input_char(vw->vw_terminal, KEYCHAR(c)); 521 } else 522 terminal_input_raw(vw->vw_terminal, c); 523 } 524 return (0); 525} 526 527static int 528vt_kbdevent(keyboard_t *kbd, int event, void *arg) 529{ 530 struct vt_device *vd = arg; 531 int c; 532 533 switch (event) { 534 case KBDIO_KEYINPUT: 535 break; 536 case KBDIO_UNLOADING: 537 mtx_lock(&Giant); 538 vd->vd_keyboard = -1; 539 kbd_release(kbd, (void *)&vd->vd_keyboard); 540 mtx_unlock(&Giant); 541 return (0); 542 default: 543 return (EINVAL); 544 } 545 546 while ((c = kbdd_read_char(kbd, 0)) != NOKEY) 547 vt_processkey(kbd, vd, c); 548 549 return (0); 550} 551 552static int 553vt_allocate_keyboard(struct vt_device *vd) 554{ 555 int idx0, idx; 556 keyboard_t *k0, *k; 557 keyboard_info_t ki; 558 559 idx0 = kbd_allocate("kbdmux", -1, (void *)&vd->vd_keyboard, 560 vt_kbdevent, vd); 561 /* XXX: kb_token lost */ 562 vd->vd_keyboard = idx0; 563 if (idx0 != -1) { 564 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0); 565 k0 = kbd_get_keyboard(idx0); 566 567 for (idx = kbd_find_keyboard2("*", -1, 0); 568 idx != -1; 569 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 570 k = kbd_get_keyboard(idx); 571 572 if (idx == idx0 || KBD_IS_BUSY(k)) 573 continue; 574 575 bzero(&ki, sizeof(ki)); 576 strcpy(ki.kb_name, k->kb_name); 577 ki.kb_unit = k->kb_unit; 578 579 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 580 } 581 } else { 582 DPRINTF(20, "%s: no kbdmux allocated\n", __func__); 583 idx0 = kbd_allocate("*", -1, (void *)&vd->vd_keyboard, 584 vt_kbdevent, vd); 585 } 586 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard); 587 588 return (idx0); 589} 590 591static void 592vtterm_bell(struct terminal *tm) 593{ 594 struct vt_window *vw = tm->tm_softc; 595 struct vt_device *vd = vw->vw_device; 596 597 if (vd->vd_flags & VDF_QUIET_BELL) 598 return; 599 600 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION); 601} 602 603static void 604vtterm_cursor(struct terminal *tm, const term_pos_t *p) 605{ 606 struct vt_window *vw = tm->tm_softc; 607 608 vtbuf_cursor_position(&vw->vw_buf, p); 609} 610 611static void 612vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c) 613{ 614 struct vt_window *vw = tm->tm_softc; 615 616 vtbuf_putchar(&vw->vw_buf, p, c); 617} 618 619static void 620vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c) 621{ 622 struct vt_window *vw = tm->tm_softc; 623 624 vtbuf_fill_locked(&vw->vw_buf, r, c); 625} 626 627static void 628vtterm_copy(struct terminal *tm, const term_rect_t *r, 629 const term_pos_t *p) 630{ 631 struct vt_window *vw = tm->tm_softc; 632 633 vtbuf_copy(&vw->vw_buf, r, p); 634} 635 636static void 637vtterm_param(struct terminal *tm, int cmd, unsigned int arg) 638{ 639 struct vt_window *vw = tm->tm_softc; 640 641 switch (cmd) { 642 case TP_SHOWCURSOR: 643 vtbuf_cursor_visibility(&vw->vw_buf, arg); 644 break; 645 case TP_MOUSE: 646 vw->vw_mouse_level = arg; 647 break; 648 } 649} 650 651static inline void 652vt_determine_colors(term_char_t c, int cursor, 653 term_color_t *fg, term_color_t *bg) 654{ 655 656 *fg = TCHAR_FGCOLOR(c); 657 if (TCHAR_FORMAT(c) & TF_BOLD) 658 *fg = TCOLOR_LIGHT(*fg); 659 *bg = TCHAR_BGCOLOR(c); 660 661 if (TCHAR_FORMAT(c) & TF_REVERSE) { 662 term_color_t tmp; 663 664 tmp = *fg; 665 *fg = *bg; 666 *bg = tmp; 667 } 668 669 if (cursor) { 670 *fg = *bg; 671 *bg = TC_WHITE; 672 } 673} 674 675static void 676vt_bitblt_char(struct vt_device *vd, struct vt_font *vf, term_char_t c, 677 int iscursor, unsigned int row, unsigned int col) 678{ 679 term_color_t fg, bg; 680 681 vt_determine_colors(c, iscursor, &fg, &bg); 682 683 if (vf != NULL) { 684 const uint8_t *src; 685 vt_axis_t top, left; 686 687 src = vtfont_lookup(vf, c); 688 689 /* 690 * Align the terminal to the centre of the screen. 691 * Fonts may not always be able to fill the entire 692 * screen. 693 */ 694 top = row * vf->vf_height + vd->vd_offset.tp_row; 695 left = col * vf->vf_width + vd->vd_offset.tp_col; 696 697 vd->vd_driver->vd_bitbltchr(vd, src, NULL, 0, top, left, 698 vf->vf_width, vf->vf_height, fg, bg); 699 } else { 700 vd->vd_driver->vd_putchar(vd, TCHAR_CHARACTER(c), 701 row, col, fg, bg); 702 } 703} 704 705static void 706vt_flush(struct vt_device *vd) 707{ 708 struct vt_window *vw = vd->vd_curwindow; 709 struct vt_font *vf = vw->vw_font; 710 struct vt_bufmask tmask; 711 unsigned int row, col; 712 term_rect_t tarea; 713 term_pos_t size; 714 term_char_t *r; 715#ifndef SC_NO_CUTPASTE 716 struct mouse_cursor *m; 717 int bpl, h, w; 718#endif 719 720 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY) 721 return; 722 723 vtbuf_undirty(&vw->vw_buf, &tarea, &tmask); 724 vt_termsize(vd, vf, &size); 725 726 /* Force a full redraw when the screen contents are invalid. */ 727 if (vd->vd_flags & VDF_INVALID) { 728 tarea.tr_begin.tp_row = tarea.tr_begin.tp_col = 0; 729 tarea.tr_end = size; 730 tmask.vbm_row = tmask.vbm_col = VBM_DIRTY; 731 732 vd->vd_flags &= ~VDF_INVALID; 733 } 734 735#ifndef SC_NO_CUTPASTE 736 if ((vw->vw_flags & VWF_MOUSE_HIDE) == 0) { 737 /* Mark last mouse position as dirty to erase. */ 738 vtbuf_mouse_cursor_position(&vw->vw_buf, vd->vd_mdirtyx, 739 vd->vd_mdirtyy); 740 } 741#endif 742 743 for (row = tarea.tr_begin.tp_row; row < tarea.tr_end.tp_row; row++) { 744 if (!VTBUF_DIRTYROW(&tmask, row)) 745 continue; 746 r = VTBUF_GET_ROW(&vw->vw_buf, row); 747 for (col = tarea.tr_begin.tp_col; 748 col < tarea.tr_end.tp_col; col++) { 749 if (!VTBUF_DIRTYCOL(&tmask, col)) 750 continue; 751 752 vt_bitblt_char(vd, vf, r[col], 753 VTBUF_ISCURSOR(&vw->vw_buf, row, col), row, col); 754 } 755 } 756 757#ifndef SC_NO_CUTPASTE 758 /* Mouse disabled. */ 759 if (vw->vw_flags & VWF_MOUSE_HIDE) 760 return; 761 762 /* No mouse for DDB. */ 763 if (kdb_active || panicstr != NULL) 764 return; 765 766 if ((vd->vd_flags & (VDF_MOUSECURSOR|VDF_TEXTMODE)) == 767 VDF_MOUSECURSOR) { 768 m = &vt_default_mouse_pointer; 769 bpl = (m->w + 7) >> 3; /* Bytes per sorce line. */ 770 w = m->w; 771 h = m->h; 772 773 if ((vd->vd_mx + m->w) > (size.tp_col * vf->vf_width)) 774 w = (size.tp_col * vf->vf_width) - vd->vd_mx - 1; 775 if ((vd->vd_my + m->h) > (size.tp_row * vf->vf_height)) 776 h = (size.tp_row * vf->vf_height) - vd->vd_my - 1; 777 778 vd->vd_driver->vd_bitbltchr(vd, m->map, m->mask, bpl, 779 vd->vd_offset.tp_row + vd->vd_my, 780 vd->vd_offset.tp_col + vd->vd_mx, 781 w, h, TC_WHITE, TC_BLACK); 782 /* Save point of last mouse cursor to erase it later. */ 783 vd->vd_mdirtyx = vd->vd_mx / vf->vf_width; 784 vd->vd_mdirtyy = vd->vd_my / vf->vf_height; 785 } 786#endif 787} 788 789static void 790vt_timer(void *arg) 791{ 792 struct vt_device *vd; 793 794 vd = arg; 795 /* Update screen if required. */ 796 vt_flush(vd); 797 /* Schedule for next update. */ 798 callout_schedule(&vd->vd_timer, hz / VT_TIMERFREQ); 799} 800 801static void 802vtterm_done(struct terminal *tm) 803{ 804 struct vt_window *vw = tm->tm_softc; 805 struct vt_device *vd = vw->vw_device; 806 807 if (kdb_active || panicstr != NULL) { 808 /* Switch to the debugger. */ 809 if (vd->vd_curwindow != vw) { 810 vd->vd_curwindow = vw; 811 vd->vd_flags |= VDF_INVALID; 812 if (vd->vd_driver->vd_postswitch) 813 vd->vd_driver->vd_postswitch(vd); 814 } 815 vd->vd_flags &= ~VDF_SPLASH; 816 vt_flush(vd); 817 } else if (!(vd->vd_flags & VDF_ASYNC)) { 818 vt_flush(vd); 819 } 820} 821 822#ifdef DEV_SPLASH 823static void 824vtterm_splash(struct vt_device *vd) 825{ 826 vt_axis_t top, left; 827 828 /* Display a nice boot splash. */ 829 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) { 830 831 top = (vd->vd_height - vt_logo_height) / 2; 832 left = (vd->vd_width - vt_logo_width) / 2; 833 switch (vt_logo_depth) { 834 case 1: 835 /* XXX: Unhardcode colors! */ 836 vd->vd_driver->vd_bitbltchr(vd, vt_logo_image, NULL, 0, 837 top, left, vt_logo_width, vt_logo_height, 0xf, 0x0); 838 } 839 vd->vd_flags |= VDF_SPLASH; 840 } 841} 842#endif 843 844static void 845vtterm_cnprobe(struct terminal *tm, struct consdev *cp) 846{ 847 struct vt_window *vw = tm->tm_softc; 848 struct vt_device *vd = vw->vw_device; 849 struct winsize wsz; 850 851 if (vd->vd_flags & VDF_INITIALIZED) 852 /* Initialization already done. */ 853 return; 854 855 cp->cn_pri = vd->vd_driver->vd_init(vd); 856 if (cp->cn_pri == CN_DEAD) { 857 vd->vd_flags |= VDF_DEAD; 858 return; 859 } 860 861 /* Initialize any early-boot keyboard drivers */ 862 kbd_configure(KB_CONF_PROBE_ONLY); 863 864 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1); 865 vd->vd_windows[VT_CONSWINDOW] = vw; 866 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw)); 867 868 if (!(vd->vd_flags & VDF_TEXTMODE)) 869 vw->vw_font = vtfont_ref(&vt_font_default); 870 871 vtbuf_init_early(&vw->vw_buf); 872 vt_winsize(vd, vw->vw_font, &wsz); 873 terminal_set_winsize(tm, &wsz); 874 875#ifdef DEV_SPLASH 876 vtterm_splash(vd); 877#endif 878 879 vd->vd_flags |= VDF_INITIALIZED; 880 main_vd = vd; 881} 882 883static int 884vtterm_cngetc(struct terminal *tm) 885{ 886 struct vt_window *vw = tm->tm_softc; 887 struct vt_device *vd = vw->vw_device; 888 keyboard_t *kbd; 889 int state; 890 u_int c; 891 892 if (vw->vw_kbdsq && *vw->vw_kbdsq) 893 return (*vw->vw_kbdsq++); 894 895 state = 0; 896 /* Make sure the splash screen is not there. */ 897 if (vd->vd_flags & VDF_SPLASH) { 898 /* Remove splash */ 899 vd->vd_flags &= ~VDF_SPLASH; 900 /* Mark screen as invalid to force update */ 901 vd->vd_flags |= VDF_INVALID; 902 vt_flush(vd); 903 } 904 905 /* Stripped down keyboard handler. */ 906 kbd = kbd_get_keyboard(vd->vd_keyboard); 907 if (kbd == NULL) 908 return (-1); 909 910 /* Force keyboard input mode to K_XLATE */ 911 c = K_XLATE; 912 kbdd_ioctl(kbd, KDSKBMODE, (void *)&c); 913 914 /* Switch the keyboard to polling to make it work here. */ 915 kbdd_poll(kbd, TRUE); 916 c = kbdd_read_char(kbd, 0); 917 kbdd_poll(kbd, FALSE); 918 if (c & RELKEY) 919 return (-1); 920 921 if (vw->vw_flags & VWF_SCROLL) { 922 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */); 923 vt_flush(vd); 924 return (-1); 925 } 926 927 /* Stripped down handling of vt_kbdevent(), without locking, etc. */ 928 if (c & SPCLKEY) { 929 switch (c) { 930 case SPCLKEY | SLK: 931 kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state); 932 if (state & SLKED) { 933 /* Turn scrolling on. */ 934 vw->vw_flags |= VWF_SCROLL; 935 VTBUF_SLCK_ENABLE(&vw->vw_buf); 936 } else { 937 /* Turn scrolling off. */ 938 vt_scroll(vw, 0, VHS_END); 939 vw->vw_flags &= ~VWF_SCROLL; 940 VTBUF_SLCK_DISABLE(&vw->vw_buf); 941 } 942 break; 943 /* XXX: KDB can handle history. */ 944 case SPCLKEY | FKEY | F(50): /* Arrow up. */ 945 vw->vw_kbdsq = "\x1b[A"; 946 break; 947 case SPCLKEY | FKEY | F(58): /* Arrow down. */ 948 vw->vw_kbdsq = "\x1b[B"; 949 break; 950 case SPCLKEY | FKEY | F(55): /* Arrow right. */ 951 vw->vw_kbdsq = "\x1b[C"; 952 break; 953 case SPCLKEY | FKEY | F(53): /* Arrow left. */ 954 vw->vw_kbdsq = "\x1b[D"; 955 break; 956 } 957 958 /* Force refresh to make scrollback work. */ 959 vt_flush(vd); 960 } else if (KEYFLAGS(c) == 0) { 961 return (KEYCHAR(c)); 962 } 963 964 if (vw->vw_kbdsq && *vw->vw_kbdsq) 965 return (*vw->vw_kbdsq++); 966 967 return (-1); 968} 969 970static void 971vtterm_opened(struct terminal *tm, int opened) 972{ 973 struct vt_window *vw = tm->tm_softc; 974 struct vt_device *vd = vw->vw_device; 975 976 VT_LOCK(vd); 977 vd->vd_flags &= ~VDF_SPLASH; 978 if (opened) 979 vw->vw_flags |= VWF_OPENED; 980 else { 981 vw->vw_flags &= ~VWF_OPENED; 982 /* TODO: finish ACQ/REL */ 983 } 984 VT_UNLOCK(vd); 985} 986 987static int 988vt_change_font(struct vt_window *vw, struct vt_font *vf) 989{ 990 struct vt_device *vd = vw->vw_device; 991 struct terminal *tm = vw->vw_terminal; 992 term_pos_t size; 993 struct winsize wsz; 994 995 /* 996 * Changing fonts. 997 * 998 * Changing fonts is a little tricky. We must prevent 999 * simultaneous access to the device, so we must stop 1000 * the display timer and the terminal from accessing. 1001 * We need to switch fonts and grow our screen buffer. 1002 * 1003 * XXX: Right now the code uses terminal_mute() to 1004 * prevent data from reaching the console driver while 1005 * resizing the screen buffer. This isn't elegant... 1006 */ 1007 1008 VT_LOCK(vd); 1009 if (vw->vw_flags & VWF_BUSY) { 1010 /* Another process is changing the font. */ 1011 VT_UNLOCK(vd); 1012 return (EBUSY); 1013 } 1014 if (vw->vw_font == NULL) { 1015 /* Our device doesn't need fonts. */ 1016 VT_UNLOCK(vd); 1017 return (ENOTTY); 1018 } 1019 vw->vw_flags |= VWF_BUSY; 1020 VT_UNLOCK(vd); 1021 1022 vt_termsize(vd, vf, &size); 1023 vt_winsize(vd, vf, &wsz); 1024 /* Save offset to font aligned area. */ 1025 vd->vd_offset.tp_col = (vd->vd_width % vf->vf_width) / 2; 1026 vd->vd_offset.tp_row = (vd->vd_height % vf->vf_height) / 2; 1027 1028 /* Grow the screen buffer and terminal. */ 1029 terminal_mute(tm, 1); 1030 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 1031 terminal_set_winsize_blank(tm, &wsz, 0); 1032 terminal_mute(tm, 0); 1033 1034 /* Actually apply the font to the current window. */ 1035 VT_LOCK(vd); 1036 vtfont_unref(vw->vw_font); 1037 vw->vw_font = vtfont_ref(vf); 1038 1039 /* Force a full redraw the next timer tick. */ 1040 if (vd->vd_curwindow == vw) 1041 vd->vd_flags |= VDF_INVALID; 1042 vw->vw_flags &= ~VWF_BUSY; 1043 VT_UNLOCK(vd); 1044 return (0); 1045} 1046 1047static int 1048vt_set_border(struct vt_window *vw, struct vt_font *vf, term_color_t c) 1049{ 1050 struct vt_device *vd = vw->vw_device; 1051 int l, r, t, b, w, h; 1052 1053 if (vd->vd_driver->vd_drawrect == NULL) 1054 return (ENOTSUP); 1055 1056 w = vd->vd_width - 1; 1057 h = vd->vd_height - 1; 1058 l = vd->vd_offset.tp_col - 1; 1059 r = w - l; 1060 t = vd->vd_offset.tp_row - 1; 1061 b = h - t; 1062 1063 vd->vd_driver->vd_drawrect(vd, 0, 0, w, t, 1, c); /* Top bar. */ 1064 vd->vd_driver->vd_drawrect(vd, 0, t, l, b, 1, c); /* Left bar. */ 1065 vd->vd_driver->vd_drawrect(vd, r, t, w, b, 1, c); /* Right bar. */ 1066 vd->vd_driver->vd_drawrect(vd, 0, b, w, h, 1, c); /* Bottom bar. */ 1067 1068 return (0); 1069} 1070 1071static int 1072vt_proc_alive(struct vt_window *vw) 1073{ 1074 struct proc *p; 1075 1076 if (vw->vw_smode.mode != VT_PROCESS) 1077 return (FALSE); 1078 1079 if (vw->vw_proc) { 1080 if ((p = pfind(vw->vw_pid)) != NULL) 1081 PROC_UNLOCK(p); 1082 if (vw->vw_proc == p) 1083 return (TRUE); 1084 vw->vw_proc = NULL; 1085 vw->vw_smode.mode = VT_AUTO; 1086 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid); 1087 vw->vw_pid = 0; 1088 } 1089 return (FALSE); 1090} 1091 1092static int 1093signal_vt_rel(struct vt_window *vw) 1094{ 1095 1096 if (vw->vw_smode.mode != VT_PROCESS) 1097 return (FALSE); 1098 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1099 vw->vw_proc = NULL; 1100 vw->vw_pid = 0; 1101 return (TRUE); 1102 } 1103 vw->vw_flags |= VWF_SWWAIT_REL; 1104 PROC_LOCK(vw->vw_proc); 1105 kern_psignal(vw->vw_proc, vw->vw_smode.relsig); 1106 PROC_UNLOCK(vw->vw_proc); 1107 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid); 1108 return (TRUE); 1109} 1110 1111static int 1112signal_vt_acq(struct vt_window *vw) 1113{ 1114 1115 if (vw->vw_smode.mode != VT_PROCESS) 1116 return (FALSE); 1117 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 1118 cnavailable(vw->vw_terminal->consdev, FALSE); 1119 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) { 1120 vw->vw_proc = NULL; 1121 vw->vw_pid = 0; 1122 return (TRUE); 1123 } 1124 vw->vw_flags |= VWF_SWWAIT_ACQ; 1125 PROC_LOCK(vw->vw_proc); 1126 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig); 1127 PROC_UNLOCK(vw->vw_proc); 1128 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid); 1129 return (TRUE); 1130} 1131 1132static int 1133finish_vt_rel(struct vt_window *vw, int release, int *s) 1134{ 1135 1136 if (vw->vw_flags & VWF_SWWAIT_REL) { 1137 vw->vw_flags &= ~VWF_SWWAIT_REL; 1138 if (release) { 1139 callout_drain(&vw->vw_proc_dead_timer); 1140 vt_late_window_switch(vw->vw_switch_to); 1141 } 1142 return (0); 1143 } 1144 return (EINVAL); 1145} 1146 1147static int 1148finish_vt_acq(struct vt_window *vw) 1149{ 1150 1151 if (vw->vw_flags & VWF_SWWAIT_ACQ) { 1152 vw->vw_flags &= ~VWF_SWWAIT_ACQ; 1153 return (0); 1154 } 1155 return (EINVAL); 1156} 1157 1158#ifndef SC_NO_CUTPASTE 1159static void 1160vt_mouse_terminput_button(struct vt_device *vd, int button) 1161{ 1162 struct vt_window *vw; 1163 struct vt_font *vf; 1164 char mouseb[6] = "\x1B[M"; 1165 int i, x, y; 1166 1167 vw = vd->vd_curwindow; 1168 vf = vw->vw_font; 1169 1170 /* Translate to char position. */ 1171 x = vd->vd_mx / vf->vf_width; 1172 y = vd->vd_my / vf->vf_height; 1173 /* Avoid overflow. */ 1174 x = MIN(x, 255 - '!'); 1175 y = MIN(y, 255 - '!'); 1176 1177 mouseb[3] = ' ' + button; 1178 mouseb[4] = '!' + x; 1179 mouseb[5] = '!' + y; 1180 1181 for (i = 0; i < sizeof(mouseb); i++ ) 1182 terminal_input_char(vw->vw_terminal, mouseb[i]); 1183} 1184 1185static void 1186vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event, 1187 int cnt) 1188{ 1189 1190 switch (type) { 1191 case MOUSE_BUTTON_EVENT: 1192 if (cnt > 0) { 1193 /* Mouse button pressed. */ 1194 if (event & MOUSE_BUTTON1DOWN) 1195 vt_mouse_terminput_button(vd, 0); 1196 if (event & MOUSE_BUTTON2DOWN) 1197 vt_mouse_terminput_button(vd, 1); 1198 if (event & MOUSE_BUTTON3DOWN) 1199 vt_mouse_terminput_button(vd, 2); 1200 } else { 1201 /* Mouse button released. */ 1202 vt_mouse_terminput_button(vd, 3); 1203 } 1204 break; 1205#ifdef notyet 1206 case MOUSE_MOTION_EVENT: 1207 if (mouse->u.data.z < 0) { 1208 /* Scroll up. */ 1209 sc_mouse_input_button(vd, 64); 1210 } else if (mouse->u.data.z > 0) { 1211 /* Scroll down. */ 1212 sc_mouse_input_button(vd, 65); 1213 } 1214 break; 1215#endif 1216 } 1217} 1218 1219void 1220vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel) 1221{ 1222 struct vt_device *vd; 1223 struct vt_window *vw; 1224 struct vt_font *vf; 1225 term_pos_t size; 1226 term_char_t *buf; 1227 int i, len, mark; 1228 1229 vd = main_vd; 1230 vw = vd->vd_curwindow; 1231 vf = vw->vw_font; 1232 mark = 0; 1233 1234 if (vw->vw_flags & VWF_MOUSE_HIDE) 1235 return; /* Mouse disabled. */ 1236 1237 if (vf == NULL) /* Text mode. */ 1238 return; 1239 1240 /* 1241 * TODO: add flag about pointer position changed, to not redraw chars 1242 * under mouse pointer when nothing changed. 1243 */ 1244 1245 if (vw->vw_mouse_level > 0) 1246 vt_mouse_terminput(vd, type, x, y, event, cnt); 1247 1248 switch (type) { 1249 case MOUSE_ACTION: 1250 case MOUSE_MOTION_EVENT: 1251 /* Movement */ 1252 x += vd->vd_mx; 1253 y += vd->vd_my; 1254 1255 vt_termsize(vd, vf, &size); 1256 1257 /* Apply limits. */ 1258 x = MAX(x, 0); 1259 y = MAX(y, 0); 1260 x = MIN(x, (size.tp_col * vf->vf_width) - 1); 1261 y = MIN(y, (size.tp_row * vf->vf_height) - 1); 1262 1263 vd->vd_mx = x; 1264 vd->vd_my = y; 1265 if ((vd->vd_mstate & MOUSE_BUTTON1DOWN) && 1266 (vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE, 1267 vd->vd_mx / vf->vf_width, 1268 vd->vd_my / vf->vf_height) == 1)) { 1269 1270 /* 1271 * We have something marked to copy, so update pointer 1272 * to window with selection. 1273 */ 1274 vd->vd_markedwin = vw; 1275 } 1276 return; /* Done */ 1277 case MOUSE_BUTTON_EVENT: 1278 /* Buttons */ 1279 break; 1280 default: 1281 return; /* Done */ 1282 } 1283 1284 switch (event) { 1285 case MOUSE_BUTTON1DOWN: 1286 switch (cnt % 4) { 1287 case 0: /* up */ 1288 mark = VTB_MARK_END; 1289 break; 1290 case 1: /* single click: start cut operation */ 1291 mark = VTB_MARK_START; 1292 break; 1293 case 2: /* double click: cut a word */ 1294 mark = VTB_MARK_WORD; 1295 break; 1296 case 3: /* triple click: cut a line */ 1297 mark = VTB_MARK_ROW; 1298 break; 1299 } 1300 break; 1301 case VT_MOUSE_PASTEBUTTON: 1302 switch (cnt) { 1303 case 0: /* up */ 1304 break; 1305 default: 1306 if (vd->vd_markedwin == NULL) 1307 return; 1308 /* Get current selecton size in bytes. */ 1309 len = vtbuf_get_marked_len(&vd->vd_markedwin->vw_buf); 1310 if (len <= 0) 1311 return; 1312 1313 buf = malloc(len, M_VT, M_WAITOK | M_ZERO); 1314 /* Request cupy/paste buffer data, no more than `len' */ 1315 vtbuf_extract_marked(&vd->vd_markedwin->vw_buf, buf, 1316 len); 1317 1318 len /= sizeof(term_char_t); 1319 for (i = 0; i < len; i++ ) { 1320 if (buf[i] == '\0') 1321 continue; 1322 terminal_input_char(vw->vw_terminal, buf[i]); 1323 } 1324 1325 /* Done, so cleanup. */ 1326 free(buf, M_VT); 1327 break; 1328 } 1329 return; /* Done */ 1330 case VT_MOUSE_EXTENDBUTTON: 1331 switch (cnt) { 1332 case 0: /* up */ 1333 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN)) 1334 mark = VTB_MARK_EXTEND; 1335 else 1336 mark = 0; 1337 break; 1338 default: 1339 mark = VTB_MARK_EXTEND; 1340 break; 1341 } 1342 break; 1343 default: 1344 return; /* Done */ 1345 } 1346 1347 /* Save buttons state. */ 1348 if (cnt > 0) 1349 vd->vd_mstate |= event; 1350 else 1351 vd->vd_mstate &= ~event; 1352 1353 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width, 1354 vd->vd_my / vf->vf_height) == 1) { 1355 /* 1356 * We have something marked to copy, so update pointer to 1357 * window with selection. 1358 */ 1359 vd->vd_markedwin = vw; 1360 } 1361} 1362 1363void 1364vt_mouse_state(int show) 1365{ 1366 struct vt_device *vd; 1367 struct vt_window *vw; 1368 1369 vd = main_vd; 1370 vw = vd->vd_curwindow; 1371 1372 switch (show) { 1373 case VT_MOUSE_HIDE: 1374 vw->vw_flags |= VWF_MOUSE_HIDE; 1375 break; 1376 case VT_MOUSE_SHOW: 1377 vw->vw_flags &= ~VWF_MOUSE_HIDE; 1378 break; 1379 } 1380} 1381#endif 1382 1383static int 1384vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr, 1385 int nprot, vm_memattr_t *memattr) 1386{ 1387 struct vt_window *vw = tm->tm_softc; 1388 struct vt_device *vd = vw->vw_device; 1389 1390 if (vd->vd_driver->vd_fb_mmap) 1391 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot, 1392 memattr)); 1393 1394 return (ENXIO); 1395} 1396 1397static int 1398vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data, 1399 struct thread *td) 1400{ 1401 struct vt_window *vw = tm->tm_softc; 1402 struct vt_device *vd = vw->vw_device; 1403 keyboard_t *kbd; 1404 int error, i, s; 1405#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1406 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1407 int ival; 1408 1409 switch (cmd) { 1410 case _IO('v', 4): 1411 cmd = VT_RELDISP; 1412 break; 1413 case _IO('v', 5): 1414 cmd = VT_ACTIVATE; 1415 break; 1416 case _IO('v', 6): 1417 cmd = VT_WAITACTIVE; 1418 break; 1419 case _IO('K', 20): 1420 cmd = KDSKBSTATE; 1421 break; 1422 case _IO('K', 67): 1423 cmd = KDSETRAD; 1424 break; 1425 case _IO('K', 7): 1426 cmd = KDSKBMODE; 1427 break; 1428 case _IO('K', 8): 1429 cmd = KDMKTONE; 1430 break; 1431 case _IO('K', 63): 1432 cmd = KIOCSOUND; 1433 break; 1434 case _IO('K', 66): 1435 cmd = KDSETLED; 1436 break; 1437 case _IO('c', 110): 1438 cmd = CONS_SETKBD; 1439 break; 1440 default: 1441 goto skip_thunk; 1442 } 1443 ival = IOCPARM_IVAL(data); 1444 data = (caddr_t)&ival; 1445skip_thunk: 1446#endif 1447 1448 switch (cmd) { 1449 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1450 if (*(int *)data & ~0x7f) 1451 return (EINVAL); 1452 case GIO_KEYMAP: 1453 case PIO_KEYMAP: 1454 case GIO_DEADKEYMAP: 1455 case PIO_DEADKEYMAP: 1456 case GETFKEY: 1457 case SETFKEY: 1458 case KDGKBINFO: 1459 case KDGKBTYPE: 1460 case KDSKBSTATE: /* set keyboard state (locks) */ 1461 case KDGKBSTATE: /* get keyboard state (locks) */ 1462 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1463 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1464 case KDSETLED: /* set keyboard LED status */ 1465 case KDGETLED: /* get keyboard LED status */ 1466 case KBADDKBD: /* add/remove keyboard to/from mux */ 1467 case KBRELKBD: { 1468 error = 0; 1469 1470 mtx_lock(&Giant); 1471 kbd = kbd_get_keyboard(vd->vd_keyboard); 1472 if (kbd != NULL) 1473 error = kbdd_ioctl(kbd, cmd, data); 1474 mtx_unlock(&Giant); 1475 if (error == ENOIOCTL) { 1476 if (cmd == KDGKBTYPE) { 1477 /* always return something? XXX */ 1478 *(int *)data = 0; 1479 } else { 1480 return (ENODEV); 1481 } 1482 } 1483 return (error); 1484 } 1485 case KDGKBMODE: { 1486 int mode = -1; 1487 1488 mtx_lock(&Giant); 1489 kbd = kbd_get_keyboard(vd->vd_keyboard); 1490 if (kbd != NULL) { 1491 kbdd_ioctl(kbd, KDGKBMODE, (void *)&mode); 1492 } 1493 mtx_unlock(&Giant); 1494 DPRINTF(20, "mode %d, vw_kbdmode %d\n", mode, vw->vw_kbdmode); 1495 *(int *)data = mode; 1496 return (0); 1497 } 1498 case KDSKBMODE: { 1499 int mode; 1500 1501 mode = *(int *)data; 1502 switch (mode) { 1503 case K_XLATE: 1504 case K_RAW: 1505 case K_CODE: 1506 vw->vw_kbdmode = mode; 1507 if (vw == vd->vd_curwindow) { 1508 keyboard_t *kbd; 1509 error = 0; 1510 1511 mtx_lock(&Giant); 1512 kbd = kbd_get_keyboard(vd->vd_keyboard); 1513 if (kbd != NULL) { 1514 error = kbdd_ioctl(kbd, KDSKBMODE, 1515 (void *)&mode); 1516 } 1517 mtx_unlock(&Giant); 1518 } 1519 return (0); 1520 default: 1521 return (EINVAL); 1522 } 1523 } 1524 case FBIOGTYPE: 1525 case FBIO_GETWINORG: /* get frame buffer window origin */ 1526 case FBIO_GETDISPSTART: /* get display start address */ 1527 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 1528 case FBIO_BLANK: /* blank display */ 1529 if (vd->vd_driver->vd_fb_ioctl) 1530 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td)); 1531 break; 1532 case CONS_BLANKTIME: 1533 /* XXX */ 1534 return (0); 1535 case CONS_GET: 1536 /* XXX */ 1537 *(int *)data = M_CG640x480; 1538 return (0); 1539 case CONS_BELLTYPE: /* set bell type sound */ 1540 if ((*(int *)data) & CONS_QUIET_BELL) 1541 vd->vd_flags |= VDF_QUIET_BELL; 1542 else 1543 vd->vd_flags &= ~VDF_QUIET_BELL; 1544 return (0); 1545 case CONS_GETINFO: { 1546 vid_info_t *vi = (vid_info_t *)data; 1547 1548 vi->m_num = vd->vd_curwindow->vw_number + 1; 1549 /* XXX: other fields! */ 1550 return (0); 1551 } 1552 case CONS_GETVERS: 1553 *(int *)data = 0x200; 1554 return (0); 1555 case CONS_MODEINFO: 1556 /* XXX */ 1557 return (0); 1558 case CONS_MOUSECTL: { 1559 mouse_info_t *mouse = (mouse_info_t*)data; 1560 1561 /* 1562 * This has no effect on vt(4). We don't draw any mouse 1563 * cursor. Just ignore MOUSE_HIDE and MOUSE_SHOW to 1564 * prevent excessive errors. All the other commands 1565 * should not be applied to individual TTYs, but only to 1566 * consolectl. 1567 */ 1568 switch (mouse->operation) { 1569 case MOUSE_HIDE: 1570 vd->vd_flags &= ~VDF_MOUSECURSOR; 1571 return (0); 1572 case MOUSE_SHOW: 1573 vd->vd_mx = vd->vd_width / 2; 1574 vd->vd_my = vd->vd_height / 2; 1575 vd->vd_flags |= VDF_MOUSECURSOR; 1576 return (0); 1577 default: 1578 return (EINVAL); 1579 } 1580 } 1581 case PIO_VFONT: { 1582 struct vt_font *vf; 1583 1584 error = vtfont_load((void *)data, &vf); 1585 if (error != 0) 1586 return (error); 1587 1588 error = vt_change_font(vw, vf); 1589 if (error == 0) { 1590 /* XXX: replace 0 with current bg color. */ 1591 vt_set_border(vw, vf, 0); 1592 } 1593 vtfont_unref(vf); 1594 return (error); 1595 } 1596 case GIO_SCRNMAP: { 1597 scrmap_t *sm = (scrmap_t *)data; 1598 int i; 1599 1600 /* We don't have screen maps, so return a handcrafted one. */ 1601 for (i = 0; i < 256; i++) 1602 sm->scrmap[i] = i; 1603 return (0); 1604 } 1605 case KDSETMODE: 1606 /* XXX */ 1607 return (0); 1608 case KDENABIO: /* allow io operations */ 1609 error = priv_check(td, PRIV_IO); 1610 if (error != 0) 1611 return (error); 1612 error = securelevel_gt(td->td_ucred, 0); 1613 if (error != 0) 1614 return (error); 1615#if defined(__i386__) 1616 td->td_frame->tf_eflags |= PSL_IOPL; 1617#elif defined(__amd64__) 1618 td->td_frame->tf_rflags |= PSL_IOPL; 1619#endif 1620 return (0); 1621 case KDDISABIO: /* disallow io operations (default) */ 1622#if defined(__i386__) 1623 td->td_frame->tf_eflags &= ~PSL_IOPL; 1624#elif defined(__amd64__) 1625 td->td_frame->tf_rflags &= ~PSL_IOPL; 1626#endif 1627 return (0); 1628 case KDMKTONE: /* sound the bell */ 1629 /* TODO */ 1630 return (0); 1631 case KIOCSOUND: /* make tone (*data) hz */ 1632 /* TODO */ 1633 return (0); 1634 case CONS_SETKBD: /* set the new keyboard */ 1635 mtx_lock(&Giant); 1636 error = 0; 1637 if (vd->vd_keyboard != *(int *)data) { 1638 kbd = kbd_get_keyboard(*(int *)data); 1639 if (kbd == NULL) { 1640 mtx_unlock(&Giant); 1641 return (EINVAL); 1642 } 1643 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, 1644 (void *)&vd->vd_keyboard, vt_kbdevent, vd); 1645 if (i >= 0) { 1646 if (vd->vd_keyboard != -1) { 1647 kbd_release(kbd, 1648 (void *)&vd->vd_keyboard); 1649 } 1650 kbd = kbd_get_keyboard(i); 1651 vd->vd_keyboard = i; 1652 1653 (void)kbdd_ioctl(kbd, KDSKBMODE, 1654 (caddr_t)&vd->vd_curwindow->vw_kbdmode); 1655 } else { 1656 error = EPERM; /* XXX */ 1657 } 1658 } 1659 mtx_unlock(&Giant); 1660 return (error); 1661 case CONS_RELKBD: /* release the current keyboard */ 1662 mtx_lock(&Giant); 1663 error = 0; 1664 if (vd->vd_keyboard != -1) { 1665 kbd = kbd_get_keyboard(vd->vd_keyboard); 1666 if (kbd == NULL) { 1667 mtx_unlock(&Giant); 1668 return (EINVAL); 1669 } 1670 error = kbd_release(kbd, (void *)&vd->vd_keyboard); 1671 if (error == 0) { 1672 vd->vd_keyboard = -1; 1673 } 1674 } 1675 mtx_unlock(&Giant); 1676 return (error); 1677 case VT_ACTIVATE: { 1678 int win; 1679 win = *(int *)data - 1; 1680 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME, 1681 VT_UNIT(vw), win); 1682 if ((win > VT_MAXWINDOWS) || (win < 0)) 1683 return (EINVAL); 1684 return (vt_proc_window_switch(vd->vd_windows[win])); 1685 } 1686 case VT_GETACTIVE: 1687 *(int *)data = vd->vd_curwindow->vw_number + 1; 1688 return (0); 1689 case VT_GETINDEX: 1690 *(int *)data = vw->vw_number + 1; 1691 return (0); 1692 case VT_LOCKSWITCH: 1693 /* TODO: Check current state, switching can be in progress. */ 1694 if ((*(int *)data) & 0x01) 1695 vw->vw_flags |= VWF_VTYLOCK; 1696 else 1697 vw->vw_flags &= ~VWF_VTYLOCK; 1698 case VT_OPENQRY: 1699 VT_LOCK(vd); 1700 for (i = 0; i < VT_MAXWINDOWS; i++) { 1701 vw = vd->vd_windows[i]; 1702 if (vw == NULL) 1703 continue; 1704 if (!(vw->vw_flags & VWF_OPENED)) { 1705 *(int *)data = vw->vw_number + 1; 1706 VT_UNLOCK(vd); 1707 return (0); 1708 } 1709 } 1710 VT_UNLOCK(vd); 1711 return (EINVAL); 1712 case VT_WAITACTIVE: 1713 error = 0; 1714 1715 i = *(unsigned int *)data; 1716 if (i > VT_MAXWINDOWS) 1717 return (EINVAL); 1718 if (i != 0) 1719 vw = vd->vd_windows[i - 1]; 1720 1721 VT_LOCK(vd); 1722 while (vd->vd_curwindow != vw && error == 0) 1723 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock); 1724 VT_UNLOCK(vd); 1725 return (error); 1726 case VT_SETMODE: { /* set screen switcher mode */ 1727 struct vt_mode *mode; 1728 struct proc *p1; 1729 1730 mode = (struct vt_mode *)data; 1731 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw)); 1732 if (vw->vw_smode.mode == VT_PROCESS) { 1733 p1 = pfind(vw->vw_pid); 1734 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) { 1735 if (p1) 1736 PROC_UNLOCK(p1); 1737 DPRINTF(5, "error EPERM\n"); 1738 return (EPERM); 1739 } 1740 if (p1) 1741 PROC_UNLOCK(p1); 1742 } 1743 if (mode->mode == VT_AUTO) { 1744 vw->vw_smode.mode = VT_AUTO; 1745 vw->vw_proc = NULL; 1746 vw->vw_pid = 0; 1747 DPRINTF(5, "VT_AUTO, "); 1748 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 1749 cnavailable(vw->vw_terminal->consdev, TRUE); 1750 /* were we in the middle of the vty switching process? */ 1751 if (finish_vt_rel(vw, TRUE, &s) == 0) 1752 DPRINTF(5, "reset WAIT_REL, "); 1753 if (finish_vt_acq(vw) == 0) 1754 DPRINTF(5, "reset WAIT_ACQ, "); 1755 return (0); 1756 } else if (mode->mode == VT_PROCESS) { 1757 if (!ISSIGVALID(mode->relsig) || 1758 !ISSIGVALID(mode->acqsig) || 1759 !ISSIGVALID(mode->frsig)) { 1760 DPRINTF(5, "error EINVAL\n"); 1761 return (EINVAL); 1762 } 1763 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid); 1764 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode)); 1765 vw->vw_proc = td->td_proc; 1766 vw->vw_pid = vw->vw_proc->p_pid; 1767 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW]) 1768 cnavailable(vw->vw_terminal->consdev, FALSE); 1769 } else { 1770 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n", 1771 mode->mode); 1772 return (EINVAL); 1773 } 1774 DPRINTF(5, "\n"); 1775 return (0); 1776 } 1777 case VT_GETMODE: /* get screen switcher mode */ 1778 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode)); 1779 return (0); 1780 1781 case VT_RELDISP: /* screen switcher ioctl */ 1782 /* 1783 * This must be the current vty which is in the VT_PROCESS 1784 * switching mode... 1785 */ 1786 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode != 1787 VT_PROCESS)) { 1788 return (EINVAL); 1789 } 1790 /* ...and this process is controlling it. */ 1791 if (vw->vw_proc != td->td_proc) { 1792 return (EPERM); 1793 } 1794 error = EINVAL; 1795 switch(*(int *)data) { 1796 case VT_FALSE: /* user refuses to release screen, abort */ 1797 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0) 1798 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n", 1799 SC_DRIVER_NAME, VT_UNIT(vw)); 1800 break; 1801 case VT_TRUE: /* user has released screen, go on */ 1802 /* finish_vt_rel(..., TRUE, ...) should not be locked */ 1803 if (vw->vw_flags & VWF_SWWAIT_REL) { 1804 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0) 1805 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n", 1806 SC_DRIVER_NAME, VT_UNIT(vw)); 1807 } else { 1808 error = EINVAL; 1809 } 1810 return (error); 1811 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1812 if ((error = finish_vt_acq(vw)) == 0) 1813 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n", 1814 SC_DRIVER_NAME, VT_UNIT(vw)); 1815 break; 1816 default: 1817 break; 1818 } 1819 return (error); 1820 } 1821 1822 return (ENOIOCTL); 1823} 1824 1825static struct vt_window * 1826vt_allocate_window(struct vt_device *vd, unsigned int window) 1827{ 1828 struct vt_window *vw; 1829 struct terminal *tm; 1830 term_pos_t size; 1831 struct winsize wsz; 1832 1833 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO); 1834 vw->vw_device = vd; 1835 vw->vw_number = window; 1836 vw->vw_kbdmode = K_XLATE; 1837 1838 if (!(vd->vd_flags & VDF_TEXTMODE)) 1839 vw->vw_font = vtfont_ref(&vt_font_default); 1840 1841 vt_termsize(vd, vw->vw_font, &size); 1842 vt_winsize(vd, vw->vw_font, &wsz); 1843 vtbuf_init(&vw->vw_buf, &size); 1844 1845 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw); 1846 terminal_set_winsize(tm, &wsz); 1847 vd->vd_windows[window] = vw; 1848 callout_init(&vw->vw_proc_dead_timer, 0); 1849 1850 return (vw); 1851} 1852 1853void 1854vt_upgrade(struct vt_device *vd) 1855{ 1856 struct vt_window *vw; 1857 unsigned int i; 1858 1859 /* Device didn't pass vd_init() or already upgraded. */ 1860 if (vd->vd_flags & (VDF_ASYNC|VDF_DEAD)) 1861 return; 1862 vd->vd_flags |= VDF_ASYNC; 1863 1864 mtx_init(&vd->vd_lock, "vtdev", NULL, MTX_DEF); 1865 cv_init(&vd->vd_winswitch, "vtwswt"); 1866 1867 /* Init 25 Hz timer. */ 1868 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0); 1869 1870 for (i = 0; i < VT_MAXWINDOWS; i++) { 1871 vw = vd->vd_windows[i]; 1872 if (vw == NULL) { 1873 /* New window. */ 1874 vw = vt_allocate_window(vd, i); 1875 } 1876 if (i == VT_CONSWINDOW) { 1877 /* Console window. */ 1878 EVENTHANDLER_REGISTER(shutdown_pre_sync, 1879 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT); 1880 } 1881 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw)); 1882 } 1883 if (vd->vd_curwindow == NULL) 1884 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW]; 1885 1886 /* Attach keyboard. */ 1887 vt_allocate_keyboard(vd); 1888 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard); 1889 1890 /* Start timer when everything ready. */ 1891 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd); 1892} 1893 1894static void 1895vt_resize(struct vt_device *vd) 1896{ 1897 struct vt_window *vw; 1898 int i; 1899 1900 for (i = 0; i < VT_MAXWINDOWS; i++) { 1901 vw = vd->vd_windows[i]; 1902 /* Resize terminal windows */ 1903 vt_change_font(vw, vw->vw_font); 1904 } 1905} 1906 1907void 1908vt_allocate(struct vt_driver *drv, void *softc) 1909{ 1910 struct vt_device *vd; 1911 struct winsize wsz; 1912 1913 if (main_vd == NULL) { 1914 main_vd = malloc(sizeof *vd, M_VT, M_WAITOK|M_ZERO); 1915 printf("%s: VT initialize with new VT driver.\n", __func__); 1916 } else { 1917 /* 1918 * Check if have rights to replace current driver. For example: 1919 * it is bad idea to replace KMS driver with generic VGA one. 1920 */ 1921 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) { 1922 printf("%s: Driver priority %d too low. Current %d\n ", 1923 __func__, drv->vd_priority, 1924 main_vd->vd_driver->vd_priority); 1925 return; 1926 } 1927 printf("%s: Replace existing VT driver.\n", __func__); 1928 } 1929 vd = main_vd; 1930 1931 /* Stop vt_flush periodic task. */ 1932 if (vd->vd_curwindow != NULL) 1933 callout_drain(&vd->vd_timer); 1934 1935 vd->vd_driver = drv; 1936 vd->vd_softc = softc; 1937 vd->vd_driver->vd_init(vd); 1938 1939 vt_upgrade(vd); 1940 1941 /* Refill settings with new sizes. */ 1942 vt_resize(vd); 1943 1944#ifdef DEV_SPLASH 1945 if (vd->vd_flags & VDF_SPLASH) 1946 vtterm_splash(vd); 1947#endif 1948 1949 if (vd->vd_curwindow != NULL) 1950 callout_schedule(&vd->vd_timer, hz / VT_TIMERFREQ); 1951 1952 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal); 1953 1954 /* Update console window sizes to actual. */ 1955 vt_winsize(vd, vd->vd_windows[VT_CONSWINDOW]->vw_font, &wsz); 1956 terminal_set_winsize(vd->vd_windows[VT_CONSWINDOW]->vw_terminal, &wsz); 1957} 1958 1959void 1960vt_suspend() 1961{ 1962 1963 if (vt_suspendswitch == 0) 1964 return; 1965 /* Save current window. */ 1966 main_vd->vd_savedwindow = main_vd->vd_curwindow; 1967 /* Ask holding process to free window and switch to console window */ 1968 vt_proc_window_switch(main_vd->vd_windows[VT_CONSWINDOW]); 1969} 1970 1971void 1972vt_resume() 1973{ 1974 1975 if (vt_suspendswitch == 0) 1976 return; 1977 /* Switch back to saved window */ 1978 if (main_vd->vd_savedwindow != NULL) 1979 vt_proc_window_switch(main_vd->vd_savedwindow); 1980 main_vd->vd_savedwindow = NULL; 1981} 1982