syscons.c revision 30662
1/*- 2 * Copyright (c) 1992-1997 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software withough specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $Id: syscons.c,v 1.234 1997/10/01 20:46:27 sos Exp $ 29 */ 30 31#include "sc.h" 32#include "apm.h" 33#include "opt_ddb.h" 34#include "opt_syscons.h" 35 36#if NSC > 0 37#include <sys/param.h> 38#include <sys/systm.h> 39#include <sys/conf.h> 40#include <sys/proc.h> 41#include <sys/signalvar.h> 42#include <sys/tty.h> 43#include <sys/kernel.h> 44#include <sys/malloc.h> 45#ifdef DEVFS 46#include <sys/devfsext.h> 47#endif 48 49#include <machine/clock.h> 50#include <machine/cons.h> 51#include <machine/console.h> 52#include <machine/md_var.h> 53#include <machine/psl.h> 54#include <machine/frame.h> 55#include <machine/pc/display.h> 56#include <machine/apm_bios.h> 57#include <machine/random.h> 58 59#include <vm/vm.h> 60#include <vm/vm_param.h> 61#include <vm/pmap.h> 62 63#include <i386/isa/isa.h> 64#include <i386/isa/isa_device.h> 65#include <i386/isa/timerreg.h> 66#include <i386/isa/kbdtables.h> 67#include <i386/isa/kbdio.h> 68#include <i386/isa/syscons.h> 69 70#if !defined(MAXCONS) 71#define MAXCONS 16 72#endif 73 74#if !defined(SC_MAX_HISTORY_SIZE) 75#define SC_MAX_HISTORY_SIZE (1000 * MAXCONS) 76#endif 77 78#if !defined(SC_HISTORY_SIZE) 79#define SC_HISTORY_SIZE (ROW * 4) 80#endif 81 82#if (SC_HISTORY_SIZE * MAXCONS) > SC_MAX_HISTORY_SIZE 83#undef SC_MAX_HISTORY_SIZE 84#define SC_MAX_HISTORY_SIZE (SC_HISTORY_SIZE * MAXCONS) 85#endif 86 87#define COLD 0 88#define WARM 1 89 90/* XXX use sc_bcopy where video memory is concerned */ 91#define sc_bcopy generic_bcopy 92extern void generic_bcopy(const void *, void *, size_t); 93 94static default_attr user_default = { 95 (FG_LIGHTGREY | BG_BLACK) << 8, 96 (FG_BLACK | BG_LIGHTGREY) << 8 97}; 98 99static default_attr kernel_default = { 100 (FG_WHITE | BG_BLACK) << 8, 101 (FG_BLACK | BG_LIGHTGREY) << 8 102}; 103 104static scr_stat main_console; 105static scr_stat *console[MAXCONS]; 106#ifdef DEVFS 107static void *sc_devfs_token[MAXCONS]; 108#endif 109 scr_stat *cur_console; 110static scr_stat *new_scp, *old_scp; 111static term_stat kernel_console; 112static default_attr *current_default; 113static int flags = 0; 114static int sc_port = IO_KBD; 115static KBDC sc_kbdc = NULL; 116static char init_done = COLD; 117static u_short sc_buffer[ROW*COL]; 118static char switch_in_progress = FALSE; 119static char write_in_progress = FALSE; 120static char blink_in_progress = FALSE; 121static int blinkrate = 0; 122 u_int crtc_addr = MONO_BASE; 123 char crtc_type = KD_MONO; 124 char crtc_vga = FALSE; 125static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 126static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 127static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 128static int delayed_next_scr = FALSE; 129static long scrn_blank_time = 0; /* screen saver timeout value */ 130 int scrn_blanked = 0; /* screen saver active flag */ 131static long scrn_time_stamp; 132 u_char scr_map[256]; 133 u_char scr_rmap[256]; 134 char *video_mode_ptr = NULL; 135 int fonts_loaded = 0 136#ifdef STD8X16FONT 137 | FONT_16 138#endif 139 ; 140 141 char font_8[256*8]; 142 char font_14[256*14]; 143#ifdef STD8X16FONT 144extern 145#endif 146 unsigned char font_16[256*16]; 147 char palette[256*3]; 148static char vgaregs[64]; 149static char *cut_buffer; 150static u_short mouse_and_mask[16] = { 151 0xc000, 0xe000, 0xf000, 0xf800, 152 0xfc00, 0xfe00, 0xff00, 0xff80, 153 0xfe00, 0x1e00, 0x1f00, 0x0f00, 154 0x0f00, 0x0000, 0x0000, 0x0000 155 }; 156static u_short mouse_or_mask[16] = { 157 0x0000, 0x4000, 0x6000, 0x7000, 158 0x7800, 0x7c00, 0x7e00, 0x6800, 159 0x0c00, 0x0c00, 0x0600, 0x0600, 160 0x0000, 0x0000, 0x0000, 0x0000 161 }; 162 163static int extra_history_size = 164 SC_MAX_HISTORY_SIZE - SC_HISTORY_SIZE * MAXCONS; 165 166static void none_saver(int blank) { } 167static void (*current_saver)(int blank) = none_saver; 168int (*sc_user_ioctl)(dev_t dev, int cmd, caddr_t data, 169 int flag, struct proc *p) = NULL; 170 171/* OS specific stuff */ 172#ifdef not_yet_done 173#define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 174struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 175struct MOUSE_TTY (sccons[MAXCONS+1] = ttymalloc(sccons[MAXCONS+1])) 176struct tty *sccons[MAXCONS+2]; 177#else 178#define VIRTUAL_TTY(x) &sccons[x] 179#define CONSOLE_TTY &sccons[MAXCONS] 180#define MOUSE_TTY &sccons[MAXCONS+1] 181static struct tty sccons[MAXCONS+2]; 182#endif 183#define SC_MOUSE 128 184#define SC_CONSOLE 255 185#define MONO_BUF pa_to_va(0xB0000) 186#define CGA_BUF pa_to_va(0xB8000) 187u_short *Crtat; 188static const int nsccons = MAXCONS+2; 189 190#define WRAPHIST(scp, pointer, offset)\ 191 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 192 + (offset)) % (scp->history_size))) 193#define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 194 195/* this should really be in `rtc.h' */ 196#define RTC_EQUIPMENT 0x14 197 198/* prototypes */ 199static int scattach(struct isa_device *dev); 200static int scparam(struct tty *tp, struct termios *t); 201static int scprobe(struct isa_device *dev); 202static int scvidprobe(int unit, int flags); 203static int sckbdprobe(int unit, int flags); 204static void scstart(struct tty *tp); 205static void scmousestart(struct tty *tp); 206static void scinit(void); 207static u_int scgetc(u_int flags); 208#define SCGETC_CN 1 209#define SCGETC_NONBLOCK 2 210static scr_stat *get_scr_stat(dev_t dev); 211static scr_stat *alloc_scp(void); 212static void init_scp(scr_stat *scp); 213static int get_scr_num(void); 214static timeout_t scrn_timer; 215static void stop_scrn_saver(void (*saver)(int)); 216static void clear_screen(scr_stat *scp); 217static int switch_scr(scr_stat *scp, u_int next_scr); 218static void exchange_scr(void); 219static inline void move_crsr(scr_stat *scp, int x, int y); 220static void scan_esc(scr_stat *scp, u_char c); 221static void draw_cursor_image(scr_stat *scp); 222static void remove_cursor_image(scr_stat *scp); 223static void ansi_put(scr_stat *scp, u_char *buf, int len); 224static u_char *get_fstr(u_int c, u_int *len); 225static void history_to_screen(scr_stat *scp); 226static int history_up_line(scr_stat *scp); 227static int history_down_line(scr_stat *scp); 228static int mask2attr(struct term_stat *term); 229static void set_keyboard(int command, int data); 230static void update_leds(int which); 231static void set_vgaregs(char *modetable); 232static void read_vgaregs(char *buf); 233static int comp_vgaregs(u_char *buf1, u_char *buf2); 234static void dump_vgaregs(u_char *buf); 235static void set_font_mode(void); 236static void set_normal_mode(void); 237static void set_destructive_cursor(scr_stat *scp); 238static void set_mouse_pos(scr_stat *scp); 239static void mouse_cut_start(scr_stat *scp); 240static void mouse_cut_end(scr_stat *scp); 241static void mouse_paste(scr_stat *scp); 242static void draw_mouse_image(scr_stat *scp); 243static void remove_mouse_image(scr_stat *scp); 244static void draw_cutmarking(scr_stat *scp); 245static void remove_cutmarking(scr_stat *scp); 246static void save_palette(void); 247static void do_bell(scr_stat *scp, int pitch, int duration); 248static timeout_t blink_screen; 249#ifdef SC_SPLASH_SCREEN 250static void toggle_splash_screen(scr_stat *scp); 251#endif 252 253struct isa_driver scdriver = { 254 scprobe, scattach, "sc", 1 255}; 256 257static d_open_t scopen; 258static d_close_t scclose; 259static d_read_t scread; 260static d_write_t scwrite; 261static d_ioctl_t scioctl; 262static d_devtotty_t scdevtotty; 263static d_mmap_t scmmap; 264 265#define CDEV_MAJOR 12 266static struct cdevsw scdevsw = { 267 scopen, scclose, scread, scwrite, 268 scioctl, nullstop, noreset, scdevtotty, 269 ttpoll, scmmap, nostrategy, "sc", NULL, -1 }; 270 271/* 272 * These functions need to be before calls to them so they can be inlined. 273 */ 274static inline void 275draw_cursor_image(scr_stat *scp) 276{ 277 u_short cursor_image, *ptr = Crtat + (scp->cursor_pos - scp->scr_buf); 278 u_short prev_image; 279 280 /* do we have a destructive cursor ? */ 281 if (flags & CHAR_CURSOR) { 282 prev_image = scp->cursor_saveunder; 283 cursor_image = *ptr & 0x00ff; 284 if (cursor_image == DEAD_CHAR) 285 cursor_image = prev_image & 0x00ff; 286 cursor_image |= *(scp->cursor_pos) & 0xff00; 287 scp->cursor_saveunder = cursor_image; 288 /* update the cursor bitmap if the char under the cursor has changed */ 289 if (prev_image != cursor_image) 290 set_destructive_cursor(scp); 291 /* modify cursor_image */ 292 if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){ 293 /* 294 * When the mouse pointer is at the same position as the cursor, 295 * the cursor bitmap needs to be updated even if the char under 296 * the cursor hasn't changed, because the mouse pionter may 297 * have moved by a few dots within the cursor cel. 298 */ 299 if ((prev_image == cursor_image) 300 && (cursor_image != *(scp->cursor_pos))) 301 set_destructive_cursor(scp); 302 cursor_image &= 0xff00; 303 cursor_image |= DEAD_CHAR; 304 } 305 } 306 else { 307 cursor_image = (*(ptr) & 0x00ff) | *(scp->cursor_pos) & 0xff00; 308 scp->cursor_saveunder = cursor_image; 309 if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){ 310 if ((cursor_image & 0x7000) == 0x7000) { 311 cursor_image &= 0x8fff; 312 if(!(cursor_image & 0x0700)) 313 cursor_image |= 0x0700; 314 } else { 315 cursor_image |= 0x7000; 316 if ((cursor_image & 0x0700) == 0x0700) 317 cursor_image &= 0xf0ff; 318 } 319 } 320 } 321 *ptr = cursor_image; 322} 323 324static inline void 325remove_cursor_image(scr_stat *scp) 326{ 327 *(Crtat + (scp->cursor_oldpos - scp->scr_buf)) = scp->cursor_saveunder; 328} 329 330static inline void 331move_crsr(scr_stat *scp, int x, int y) 332{ 333 if (x < 0) 334 x = 0; 335 if (y < 0) 336 y = 0; 337 if (x >= scp->xsize) 338 x = scp->xsize-1; 339 if (y >= scp->ysize) 340 y = scp->ysize-1; 341 scp->xpos = x; 342 scp->ypos = y; 343 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 344} 345 346static int 347scprobe(struct isa_device *dev) 348{ 349 if (!scvidprobe(dev->id_unit, dev->id_flags)) { 350 if (bootverbose) 351 printf("sc%d: no video adapter is found.\n", dev->id_unit); 352 return (0); 353 } 354 355 sc_port = dev->id_iobase; 356 if (sckbdprobe(dev->id_unit, dev->id_flags)) 357 return (IO_KBDSIZE); 358 else 359 return ((dev->id_flags & DETECT_KBD) ? 0 : IO_KBDSIZE); 360} 361 362/* probe video adapters, return TRUE if found */ 363static int 364scvidprobe(int unit, int flags) 365{ 366 /* 367 * XXX don't try to `printf' anything here, the console may not have 368 * been configured yet. 369 */ 370 u_short volatile *cp; 371 u_short was; 372 u_long pa; 373 u_long segoff; 374 375 /* do this test only once */ 376 if (init_done != COLD) 377 return (Crtat != 0); 378 379 /* 380 * Finish defaulting crtc variables for a mono screen. Crtat is a 381 * bogus common variable so that it can be shared with pcvt, so it 382 * can't be statically initialized. XXX. 383 */ 384 Crtat = (u_short *)MONO_BUF; 385 crtc_type = KD_MONO; 386 /* If CGA memory seems to work, switch to color. */ 387 cp = (u_short *)CGA_BUF; 388 was = *cp; 389 *cp = (u_short) 0xA55A; 390 if (*cp == 0xA55A) { 391 Crtat = (u_short *)CGA_BUF; 392 crtc_addr = COLOR_BASE; 393 crtc_type = KD_CGA; 394 } else { 395 cp = Crtat; 396 was = *cp; 397 *cp = (u_short) 0xA55A; 398 if (*cp != 0xA55A) { 399 /* no screen at all, bail out */ 400 Crtat = 0; 401 return FALSE; 402 } 403 } 404 *cp = was; 405 406 /* 407 * Check rtc and BIOS date area. 408 * XXX: don't use BIOSDATA_EQUIPMENT, it is not a dead copy 409 * of RTC_EQUIPMENT. The bit 4 and 5 of the ETC_EQUIPMENT are 410 * zeros for EGA and VGA. However, the EGA/VGA BIOS will set 411 * these bits in BIOSDATA_EQUIPMENT according to the monitor 412 * type detected. 413 */ 414 switch ((rtcin(RTC_EQUIPMENT) >> 4) & 3) { /* bit 4 and 5 */ 415 case 0: /* EGA/VGA, or nothing */ 416 crtc_type = KD_EGA; 417 /* the color adapter may be in the 40x25 mode... XXX */ 418 break; 419 case 1: /* CGA 40x25 */ 420 /* switch to the 80x25 mode? XXX */ 421 /* FALL THROUGH */ 422 case 2: /* CGA 80x25 */ 423 /* `crtc_type' has already been set... */ 424 /* crtc_type = KD_CGA; */ 425 break; 426 case 3: /* MDA */ 427 /* `crtc_type' has already been set... */ 428 /* crtc_type = KD_MONO; */ 429 break; 430 } 431 432 /* is this a VGA or higher ? */ 433 outb(crtc_addr, 7); 434 if (inb(crtc_addr) == 7) { 435 436 crtc_type = KD_VGA; 437 crtc_vga = TRUE; 438 read_vgaregs(vgaregs); 439 440 /* Get the BIOS video mode pointer */ 441 segoff = *(u_long *)pa_to_va(0x4a8); 442 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 443 if (ISMAPPED(pa, sizeof(u_long))) { 444 segoff = *(u_long *)pa_to_va(pa); 445 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 446 if (ISMAPPED(pa, 64)) 447 video_mode_ptr = (char *)pa_to_va(pa); 448 } 449 } 450 451 return TRUE; 452} 453 454/* probe the keyboard, return TRUE if found */ 455static int 456sckbdprobe(int unit, int flags) 457{ 458 int codeset; 459 int c = -1; 460 int m; 461 462 sc_kbdc = kbdc_open(sc_port); 463 464 if (!kbdc_lock(sc_kbdc, TRUE)) { 465 /* driver error? */ 466 printf("sc%d: unable to lock the controller.\n", unit); 467 return ((flags & DETECT_KBD) ? FALSE : TRUE); 468 } 469 470 /* discard anything left after UserConfig */ 471 empty_both_buffers(sc_kbdc, 10); 472 473 /* save the current keyboard controller command byte */ 474 m = kbdc_get_device_mask(sc_kbdc) & ~KBD_KBD_CONTROL_BITS; 475 c = get_controller_command_byte(sc_kbdc); 476 if (c == -1) { 477 /* CONTROLLER ERROR */ 478 printf("sc%d: unable to get the current command byte value.\n", unit); 479 goto fail; 480 } 481 if (bootverbose) 482 printf("sc%d: the current keyboard controller command byte %04x\n", 483 unit, c); 484#if 0 485 /* override the keyboard lock switch */ 486 c |= KBD_OVERRIDE_KBD_LOCK; 487#endif 488 489 /* 490 * The keyboard may have been screwed up by the boot block. 491 * We may just be able to recover from error by testing the controller 492 * and the keyboard port. The controller command byte needs to be saved 493 * before this recovery operation, as some controllers seem to set 494 * the command byte to particular values. 495 */ 496 test_controller(sc_kbdc); 497 test_kbd_port(sc_kbdc); 498 499 /* enable the keyboard port, but disable the keyboard intr. */ 500 if (!set_controller_command_byte(sc_kbdc, 501 KBD_KBD_CONTROL_BITS, 502 KBD_ENABLE_KBD_PORT | KBD_DISABLE_KBD_INT)) { 503 /* CONTROLLER ERROR 504 * there is very little we can do... 505 */ 506 printf("sc%d: unable to set the command byte.\n", unit); 507 goto fail; 508 } 509 510 /* 511 * Check if we have an XT keyboard before we attempt to reset it. 512 * The procedure assumes that the keyboard and the controller have 513 * been set up properly by BIOS and have not been messed up 514 * during the boot process. 515 */ 516 codeset = -1; 517 if (flags & XT_KEYBD) 518 /* the user says there is a XT keyboard */ 519 codeset = 1; 520#ifdef DETECT_XT_KEYBOARD 521 else if ((c & KBD_TRANSLATION) == 0) { 522 /* SET_SCANCODE_SET is not always supported; ignore error */ 523 if (send_kbd_command_and_data(sc_kbdc, KBDC_SET_SCANCODE_SET, 0) 524 == KBD_ACK) 525 codeset = read_kbd_data(sc_kbdc); 526 } 527 if (bootverbose) 528 printf("sc%d: keyboard scancode set %d\n", unit, codeset); 529#endif /* DETECT_XT_KEYBOARD */ 530 531 if (flags & KBD_NORESET) { 532 write_kbd_command(sc_kbdc, KBDC_ECHO); 533 if (read_kbd_data(sc_kbdc) != KBD_ECHO) { 534 empty_both_buffers(sc_kbdc, 10); 535 test_controller(sc_kbdc); 536 test_kbd_port(sc_kbdc); 537 if (bootverbose) 538 printf("sc%d: failed to get response from the keyboard.\n", 539 unit); 540 goto fail; 541 } 542 } else { 543 /* reset keyboard hardware */ 544 if (!reset_kbd(sc_kbdc)) { 545 /* KEYBOARD ERROR 546 * Keyboard reset may fail either because the keyboard doen't 547 * exist, or because the keyboard doesn't pass the self-test, 548 * or the keyboard controller on the motherboard and the keyboard 549 * somehow fail to shake hands. It is just possible, particularly 550 * in the last case, that the keyoard controller may be left 551 * in a hung state. test_controller() and test_kbd_port() appear 552 * to bring the keyboard controller back (I don't know why and 553 * how, though.) 554 */ 555 empty_both_buffers(sc_kbdc, 10); 556 test_controller(sc_kbdc); 557 test_kbd_port(sc_kbdc); 558 /* We could disable the keyboard port and interrupt... but, 559 * the keyboard may still exist (see above). 560 */ 561 if (bootverbose) 562 printf("sc%d: failed to reset the keyboard.\n", unit); 563 goto fail; 564 } 565 } 566 567 /* 568 * Allow us to set the XT_KEYBD flag in UserConfig so that keyboards 569 * such as those on the IBM ThinkPad laptop computers can be used 570 * with the standard console driver. 571 */ 572 if (codeset == 1) { 573 if (send_kbd_command_and_data( 574 sc_kbdc, KBDC_SET_SCANCODE_SET, codeset) == KBD_ACK) { 575 /* XT kbd doesn't need scan code translation */ 576 c &= ~KBD_TRANSLATION; 577 } else { 578 /* KEYBOARD ERROR 579 * The XT kbd isn't usable unless the proper scan code set 580 * is selected. 581 */ 582 printf("sc%d: unable to set the XT keyboard mode.\n", unit); 583 goto fail; 584 } 585 } 586 /* enable the keyboard port and intr. */ 587 if (!set_controller_command_byte(sc_kbdc, 588 KBD_KBD_CONTROL_BITS | KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK, 589 (c & (KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK)) 590 | KBD_ENABLE_KBD_PORT | KBD_ENABLE_KBD_INT)) { 591 /* CONTROLLER ERROR 592 * This is serious; we are left with the disabled keyboard intr. 593 */ 594 printf("sc%d: unable to enable the keyboard port and intr.\n", unit); 595 goto fail; 596 } 597 598succeed: 599 kbdc_set_device_mask(sc_kbdc, m | KBD_KBD_CONTROL_BITS), 600 kbdc_lock(sc_kbdc, FALSE); 601 return TRUE; 602 603fail: 604 if (c != -1) 605 /* try to restore the command byte as before, if possible */ 606 set_controller_command_byte(sc_kbdc, 0xff, c); 607 kbdc_set_device_mask(sc_kbdc, 608 (flags & DETECT_KBD) ? m : m | KBD_KBD_CONTROL_BITS); 609 kbdc_lock(sc_kbdc, FALSE); 610 return FALSE; 611} 612 613#if NAPM > 0 614static int 615scresume(void *dummy) 616{ 617 shfts = ctls = alts = agrs = metas = 0; 618 return 0; 619} 620#endif 621 622static int 623scattach(struct isa_device *dev) 624{ 625 scr_stat *scp; 626 dev_t cdev = makedev(CDEV_MAJOR, 0); 627#ifdef DEVFS 628 int vc; 629#endif 630 631 scinit(); 632 flags = dev->id_flags; 633 if (!crtc_vga) 634 flags &= ~CHAR_CURSOR; 635 636 scp = console[0]; 637 638 if (crtc_vga) { 639 cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 640 } 641 642 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 643 M_DEVBUF, M_NOWAIT); 644 645 /* copy temporary buffer to final buffer */ 646 bcopy(sc_buffer, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 647 648 scp->cursor_pos = scp->cursor_oldpos = 649 scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 650 scp->mouse_pos = scp->mouse_oldpos = 651 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 652 scp->mouse_xpos/8); 653 654 /* initialize history buffer & pointers */ 655 scp->history_head = scp->history_pos = 656 (u_short *)malloc(scp->history_size*sizeof(u_short), 657 M_DEVBUF, M_NOWAIT); 658 if (scp->history_head != NULL) 659 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 660 scp->history = scp->history_head; 661 662 /* initialize cursor stuff */ 663 if (!(scp->status & UNKNOWN_MODE)) 664 draw_cursor_image(scp); 665 666 /* get screen update going */ 667 scrn_timer(NULL); 668 669 update_leds(scp->status); 670 671 if (bootverbose) { 672 printf("sc%d: BIOS video mode:%d\n", 673 dev->id_unit, *(u_char *)pa_to_va(0x449)); 674 printf("sc%d: VGA registers upon power-up\n", dev->id_unit); 675 dump_vgaregs(vgaregs); 676 printf("sc%d: video mode:%d\n", dev->id_unit, scp->mode); 677 if (video_mode_ptr != NULL) { 678 printf("sc%d: VGA registers for mode:%d\n", 679 dev->id_unit, scp->mode); 680 dump_vgaregs(video_mode_ptr + (64*scp->mode)); 681 } 682 } 683 684 printf("sc%d: ", dev->id_unit); 685 switch(crtc_type) { 686 case KD_VGA: 687 if (crtc_addr == MONO_BASE) 688 printf("VGA mono"); 689 else 690 printf("VGA color"); 691 break; 692 case KD_EGA: 693 if (crtc_addr == MONO_BASE) 694 printf("EGA mono"); 695 else 696 printf("EGA color"); 697 break; 698 case KD_CGA: 699 printf("CGA"); 700 break; 701 case KD_MONO: 702 case KD_HERCULES: 703 default: 704 printf("MDA/hercules"); 705 break; 706 } 707 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, flags); 708 709#if NAPM > 0 710 scp->r_hook.ah_fun = scresume; 711 scp->r_hook.ah_arg = NULL; 712 scp->r_hook.ah_name = "system keyboard"; 713 scp->r_hook.ah_order = APM_MID_ORDER; 714 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 715#endif 716 717 cdevsw_add(&cdev, &scdevsw, NULL); 718 719#ifdef DEVFS 720 for (vc = 0; vc < MAXCONS; vc++) 721 sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, DV_CHR, UID_ROOT, 722 GID_WHEEL, 0600, "ttyv%n", vc); 723#endif 724 return 0; 725} 726 727struct tty 728*scdevtotty(dev_t dev) 729{ 730 int unit = minor(dev); 731 732 if (init_done == COLD) 733 return(NULL); 734 if (unit == SC_CONSOLE) 735 return CONSOLE_TTY; 736 if (unit == SC_MOUSE) 737 return MOUSE_TTY; 738 if (unit >= MAXCONS || unit < 0) 739 return(NULL); 740 return VIRTUAL_TTY(unit); 741} 742 743int 744scopen(dev_t dev, int flag, int mode, struct proc *p) 745{ 746 struct tty *tp = scdevtotty(dev); 747 748 if (!tp) 749 return(ENXIO); 750 751 tp->t_oproc = (minor(dev) == SC_MOUSE) ? scmousestart : scstart; 752 tp->t_param = scparam; 753 tp->t_dev = dev; 754 if (!(tp->t_state & TS_ISOPEN)) { 755 ttychars(tp); 756 /* Use the current setting of the <-- key as default VERASE. */ 757 /* If the Delete key is preferable, an stty is necessary */ 758 tp->t_cc[VERASE] = key_map.key[0x0e].map[0]; 759 tp->t_iflag = TTYDEF_IFLAG; 760 tp->t_oflag = TTYDEF_OFLAG; 761 tp->t_cflag = TTYDEF_CFLAG; 762 tp->t_lflag = TTYDEF_LFLAG; 763 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 764 scparam(tp, &tp->t_termios); 765 ttsetwater(tp); 766 (*linesw[tp->t_line].l_modem)(tp, 1); 767 } 768 else 769 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 770 return(EBUSY); 771 if (minor(dev) < MAXCONS && !console[minor(dev)]) { 772 console[minor(dev)] = alloc_scp(); 773 } 774 if (minor(dev)<MAXCONS && !tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 775 tp->t_winsize.ws_col = console[minor(dev)]->xsize; 776 tp->t_winsize.ws_row = console[minor(dev)]->ysize; 777 } 778 return ((*linesw[tp->t_line].l_open)(dev, tp)); 779} 780 781int 782scclose(dev_t dev, int flag, int mode, struct proc *p) 783{ 784 struct tty *tp = scdevtotty(dev); 785 struct scr_stat *scp; 786 787 if (!tp) 788 return(ENXIO); 789 if (minor(dev) < MAXCONS) { 790 scp = get_scr_stat(tp->t_dev); 791 if (scp->status & SWITCH_WAIT_ACQ) 792 wakeup((caddr_t)&scp->smode); 793#if not_yet_done 794 if (scp == &main_console) { 795 scp->pid = 0; 796 scp->proc = NULL; 797 scp->smode.mode = VT_AUTO; 798 } 799 else { 800 free(scp->scr_buf, M_DEVBUF); 801 if (scp->history != NULL) { 802 free(scp->history, M_DEVBUF); 803 if (scp->history_size / scp->xsize 804 > imax(SC_HISTORY_SIZE, scp->ysize)) 805 extra_history_size += scp->history_size / scp->xsize 806 - imax(SC_HISTORY_SIZE, scp->ysize); 807 } 808 free(scp, M_DEVBUF); 809 console[minor(dev)] = NULL; 810 } 811#else 812 scp->pid = 0; 813 scp->proc = NULL; 814 scp->smode.mode = VT_AUTO; 815#endif 816 } 817 spltty(); 818 (*linesw[tp->t_line].l_close)(tp, flag); 819 ttyclose(tp); 820 spl0(); 821 return(0); 822} 823 824int 825scread(dev_t dev, struct uio *uio, int flag) 826{ 827 struct tty *tp = scdevtotty(dev); 828 829 if (!tp) 830 return(ENXIO); 831 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 832} 833 834int 835scwrite(dev_t dev, struct uio *uio, int flag) 836{ 837 struct tty *tp = scdevtotty(dev); 838 839 if (!tp) 840 return(ENXIO); 841 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 842} 843 844void 845scintr(int unit) 846{ 847 static struct tty *cur_tty; 848 int c, len; 849 u_char *cp; 850 851 /* make screensaver happy */ 852 scrn_time_stamp = mono_time.tv_sec; 853 854 /* 855 * Loop while there is still input to get from the keyboard. 856 * I don't think this is nessesary, and it doesn't fix 857 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 858 */ 859 while ((c = scgetc(SCGETC_NONBLOCK)) != NOKEY) { 860 861 cur_tty = VIRTUAL_TTY(get_scr_num()); 862 if (!(cur_tty->t_state & TS_ISOPEN)) 863 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 864 continue; 865 866 switch (c & 0xff00) { 867 case 0x0000: /* normal key */ 868 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 869 break; 870 case FKEY: /* function key, return string */ 871 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 872 while (len-- > 0) 873 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 874 } 875 break; 876 case MKEY: /* meta is active, prepend ESC */ 877 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 878 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 879 break; 880 case BKEY: /* backtab fixed sequence (esc [ Z) */ 881 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 882 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 883 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 884 break; 885 } 886 } 887 888 if (cur_console->status & MOUSE_ENABLED) { 889 cur_console->status &= ~MOUSE_VISIBLE; 890 remove_mouse_image(cur_console); 891 } 892} 893 894static int 895scparam(struct tty *tp, struct termios *t) 896{ 897 tp->t_ispeed = t->c_ispeed; 898 tp->t_ospeed = t->c_ospeed; 899 tp->t_cflag = t->c_cflag; 900 return 0; 901} 902 903int 904scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 905{ 906 int error; 907 u_int i; 908 struct tty *tp; 909 scr_stat *scp; 910 u_short *usp; 911 912 tp = scdevtotty(dev); 913 if (!tp) 914 return ENXIO; 915 scp = get_scr_stat(tp->t_dev); 916 917 /* If there is a user_ioctl function call that first */ 918 if (sc_user_ioctl) { 919 if (error = (*sc_user_ioctl)(dev, cmd, data, flag, p)) 920 return error; 921 } 922 923 switch (cmd) { /* process console hardware related ioctl's */ 924 925 case GIO_ATTR: /* get current attributes */ 926 *(int*)data = (scp->term.cur_attr >> 8) & 0xFF; 927 return 0; 928 929 case GIO_COLOR: /* is this a color console ? */ 930 if (crtc_addr == COLOR_BASE) 931 *(int*)data = 1; 932 else 933 *(int*)data = 0; 934 return 0; 935 936 case CONS_CURRENT: /* get current adapter type */ 937 *(int *)data = crtc_type; 938 return 0; 939 940 case CONS_GET: /* get current video mode */ 941 *(int*)data = scp->mode; 942 return 0; 943 944 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 945 if (*(int *)data < 0) 946 return EINVAL; 947 scrn_blank_time = *(int *)data; 948 if (scrn_blank_time == 0) 949 scrn_time_stamp = mono_time.tv_sec; 950 return 0; 951 952 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 953 if ((*(int*)data) & 0x01) 954 flags |= BLINK_CURSOR; 955 else 956 flags &= ~BLINK_CURSOR; 957 if ((*(int*)data) & 0x02) { 958 if (!crtc_vga) 959 return ENXIO; 960 flags |= CHAR_CURSOR; 961 } else 962 flags &= ~CHAR_CURSOR; 963 /* 964 * The cursor shape is global property; all virtual consoles 965 * are affected. Update the cursor in the current console... 966 */ 967 if (!(cur_console->status & UNKNOWN_MODE)) { 968 remove_cursor_image(cur_console); 969 if (flags & CHAR_CURSOR) 970 set_destructive_cursor(cur_console); 971 draw_cursor_image(cur_console); 972 } 973 return 0; 974 975 case CONS_BELLTYPE: /* set bell type sound/visual */ 976 if (*data) 977 flags |= VISUAL_BELL; 978 else 979 flags &= ~VISUAL_BELL; 980 return 0; 981 982 case CONS_HISTORY: /* set history size */ 983 if (*(int *)data > 0) { 984 int lines; /* buffer size to allocate */ 985 int lines0; /* current buffer size */ 986 987 lines = imax(*(int *)data, scp->ysize); 988 lines0 = (scp->history != NULL) ? 989 scp->history_size / scp->xsize : scp->ysize; 990 /* 991 * syscons unconditionally allocates buffers upto SC_HISTORY_SIZE 992 * lines or scp->ysize lines, whichever is larger. A value 993 * greater than that is allowed, subject to extra_history_size. 994 */ 995 if (lines > imax(lines0, SC_HISTORY_SIZE) + extra_history_size) 996 return EINVAL; 997 if (cur_console->status & BUFFER_SAVED) 998 return EBUSY; 999 usp = scp->history; 1000 scp->history = NULL; 1001 if (usp != NULL) 1002 free(usp, M_DEVBUF); 1003 scp->history_size = lines * scp->xsize; 1004 /* 1005 * extra_history_size += 1006 * (lines0 > imax(SC_HISTORY_SIZE, scp->ysize)) ? 1007 * lines0 - imax(SC_HISTORY_SIZE, scp->ysize)) : 0; 1008 * extra_history_size -= 1009 * (lines > imax(SC_HISTORY_SIZE, scp->ysize)) ? 1010 * lines - imax(SC_HISTORY_SIZE, scp->ysize)) : 0; 1011 * lines0 >= ysize && lines >= ysize... Hey, the above can be 1012 * reduced to the following... 1013 */ 1014 extra_history_size += 1015 imax(lines0, SC_HISTORY_SIZE) - imax(lines, SC_HISTORY_SIZE); 1016 usp = (u_short *)malloc(scp->history_size * sizeof(u_short), 1017 M_DEVBUF, M_WAITOK); 1018 bzero(usp, scp->history_size * sizeof(u_short)); 1019 scp->history_head = scp->history_pos = usp; 1020 scp->history = usp; 1021 return 0; 1022 } 1023 else 1024 return EINVAL; 1025 1026 case CONS_MOUSECTL: /* control mouse arrow */ 1027 { 1028 mouse_info_t *mouse = (mouse_info_t*)data; 1029 1030 if (!crtc_vga) 1031 return ENXIO; 1032 1033 switch (mouse->operation) { 1034 case MOUSE_MODE: 1035 if (ISSIGVALID(mouse->u.mode.signal)) { 1036 scp->mouse_signal = mouse->u.mode.signal; 1037 scp->mouse_proc = p; 1038 scp->mouse_pid = p->p_pid; 1039 } 1040 else { 1041 scp->mouse_signal = 0; 1042 scp->mouse_proc = NULL; 1043 scp->mouse_pid = 0; 1044 } 1045 break; 1046 1047 case MOUSE_SHOW: 1048 if (!(scp->status & MOUSE_ENABLED)) { 1049 scp->status |= (MOUSE_ENABLED | MOUSE_VISIBLE); 1050 scp->mouse_oldpos = scp->mouse_pos; 1051 mark_all(scp); 1052 } 1053 else 1054 return EINVAL; 1055 break; 1056 1057 case MOUSE_HIDE: 1058 if (scp->status & MOUSE_ENABLED) { 1059 scp->status &= ~(MOUSE_ENABLED | MOUSE_VISIBLE); 1060 mark_all(scp); 1061 } 1062 else 1063 return EINVAL; 1064 break; 1065 1066 case MOUSE_MOVEABS: 1067 scp->mouse_xpos = mouse->u.data.x; 1068 scp->mouse_ypos = mouse->u.data.y; 1069 set_mouse_pos(scp); 1070 break; 1071 1072 case MOUSE_MOVEREL: 1073 scp->mouse_xpos += mouse->u.data.x; 1074 scp->mouse_ypos += mouse->u.data.y; 1075 set_mouse_pos(scp); 1076 break; 1077 1078 case MOUSE_GETINFO: 1079 mouse->u.data.x = scp->mouse_xpos; 1080 mouse->u.data.y = scp->mouse_ypos; 1081 mouse->u.data.buttons = scp->mouse_buttons; 1082 break; 1083 1084 case MOUSE_ACTION: 1085 /* this should maybe only be settable from /dev/consolectl SOS */ 1086 /* send out mouse event on /dev/sysmouse */ 1087 if (cur_console->status & MOUSE_ENABLED) 1088 cur_console->status |= MOUSE_VISIBLE; 1089 if ((MOUSE_TTY)->t_state & TS_ISOPEN) { 1090 u_char buf[5]; 1091 int i; 1092 1093 buf[0] = 0x80 | ((~mouse->u.data.buttons) & 0x07); 1094 buf[1] = (mouse->u.data.x & 0x1fe >> 1); 1095 buf[3] = (mouse->u.data.x & 0x1ff) - buf[1]; 1096 buf[2] = -(mouse->u.data.y & 0x1fe >> 1); 1097 buf[4] = -(mouse->u.data.y & 0x1ff) - buf[2]; 1098 for (i=0; i<5; i++) 1099 (*linesw[(MOUSE_TTY)->t_line].l_rint)(buf[i],MOUSE_TTY); 1100 } 1101 if (cur_console->mouse_signal) { 1102 cur_console->mouse_buttons = mouse->u.data.buttons; 1103 /* has controlling process died? */ 1104 if (cur_console->mouse_proc && 1105 (cur_console->mouse_proc != pfind(cur_console->mouse_pid))){ 1106 cur_console->mouse_signal = 0; 1107 cur_console->mouse_proc = NULL; 1108 cur_console->mouse_pid = 0; 1109 } 1110 else 1111 psignal(cur_console->mouse_proc, cur_console->mouse_signal); 1112 } 1113 else { 1114 /* process button presses */ 1115 if (cur_console->mouse_buttons != mouse->u.data.buttons) { 1116 cur_console->mouse_buttons = mouse->u.data.buttons; 1117 if (!(cur_console->status & UNKNOWN_MODE)) { 1118 if (cur_console->mouse_buttons & LEFT_BUTTON) 1119 mouse_cut_start(cur_console); 1120 else 1121 mouse_cut_end(cur_console); 1122 if (cur_console->mouse_buttons & RIGHT_BUTTON || 1123 cur_console->mouse_buttons & MIDDLE_BUTTON) 1124 mouse_paste(cur_console); 1125 } 1126 } 1127 } 1128 if (mouse->u.data.x != 0 || mouse->u.data.y != 0) { 1129 cur_console->mouse_xpos += mouse->u.data.x; 1130 cur_console->mouse_ypos += mouse->u.data.y; 1131 set_mouse_pos(cur_console); 1132 } 1133 break; 1134 1135 default: 1136 return EINVAL; 1137 } 1138 /* make screensaver happy */ 1139 scrn_time_stamp = mono_time.tv_sec; 1140 return 0; 1141 } 1142 1143 case CONS_GETINFO: /* get current (virtual) console info */ 1144 { 1145 vid_info_t *ptr = (vid_info_t*)data; 1146 if (ptr->size == sizeof(struct vid_info)) { 1147 ptr->m_num = get_scr_num(); 1148 ptr->mv_col = scp->xpos; 1149 ptr->mv_row = scp->ypos; 1150 ptr->mv_csz = scp->xsize; 1151 ptr->mv_rsz = scp->ysize; 1152 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 1153 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 1154 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 1155 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 1156 ptr->mv_grfc.fore = 0; /* not supported */ 1157 ptr->mv_grfc.back = 0; /* not supported */ 1158 ptr->mv_ovscan = scp->border; 1159 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 1160 return 0; 1161 } 1162 return EINVAL; 1163 } 1164 1165 case CONS_GETVERS: /* get version number */ 1166 *(int*)data = 0x200; /* version 2.0 */ 1167 return 0; 1168 1169 /* VGA TEXT MODES */ 1170 case SW_VGA_C40x25: 1171 case SW_VGA_C80x25: case SW_VGA_M80x25: 1172 case SW_VGA_C80x30: case SW_VGA_M80x30: 1173 case SW_VGA_C80x50: case SW_VGA_M80x50: 1174 case SW_VGA_C80x60: case SW_VGA_M80x60: 1175 case SW_B40x25: case SW_C40x25: 1176 case SW_B80x25: case SW_C80x25: 1177 case SW_ENH_B40x25: case SW_ENH_C40x25: 1178 case SW_ENH_B80x25: case SW_ENH_C80x25: 1179 case SW_ENH_B80x43: case SW_ENH_C80x43: 1180 case SW_EGAMONO80x25: 1181 1182 if (!crtc_vga || video_mode_ptr == NULL) 1183 return ENXIO; 1184 if (scp->history != NULL) 1185 i = imax(scp->history_size / scp->xsize 1186 - imax(SC_HISTORY_SIZE, scp->ysize), 0); 1187 switch (cmd & 0xff) { 1188 case M_VGA_C80x60: case M_VGA_M80x60: 1189 if (!(fonts_loaded & FONT_8)) 1190 return EINVAL; 1191 scp->xsize = 80; 1192 scp->ysize = 60; 1193 break; 1194 case M_VGA_C80x50: case M_VGA_M80x50: 1195 if (!(fonts_loaded & FONT_8)) 1196 return EINVAL; 1197 scp->xsize = 80; 1198 scp->ysize = 50; 1199 break; 1200 case M_ENH_B80x43: case M_ENH_C80x43: 1201 if (!(fonts_loaded & FONT_8)) 1202 return EINVAL; 1203 scp->xsize = 80; 1204 scp->ysize = 43; 1205 break; 1206 case M_VGA_C80x30: case M_VGA_M80x30: 1207 scp->xsize = 80; 1208 scp->ysize = 30; 1209 break; 1210 case M_ENH_C40x25: case M_ENH_B40x25: 1211 case M_ENH_C80x25: case M_ENH_B80x25: 1212 case M_EGAMONO80x25: 1213 if (!(fonts_loaded & FONT_14)) 1214 return EINVAL; 1215 /* FALL THROUGH */ 1216 default: 1217 if ((cmd & 0xff) > M_VGA_CG320) 1218 return EINVAL; 1219 else 1220 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 1221 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 1222 break; 1223 } 1224 scp->mode = cmd & 0xff; 1225 free(scp->scr_buf, M_DEVBUF); 1226 scp->scr_buf = (u_short *) 1227 malloc(scp->xsize*scp->ysize*sizeof(u_short), M_DEVBUF, M_WAITOK); 1228 scp->cursor_pos = scp->cursor_oldpos = 1229 scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 1230 scp->mouse_pos = scp->mouse_oldpos = 1231 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 1232 scp->mouse_xpos/8); 1233 free(cut_buffer, M_DEVBUF); 1234 cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 1235 cut_buffer[0] = 0x00; 1236 usp = scp->history; 1237 scp->history = NULL; 1238 if (usp != NULL) { 1239 free(usp, M_DEVBUF); 1240 extra_history_size += i; 1241 } 1242 scp->history_size = imax(SC_HISTORY_SIZE, scp->ysize) * scp->xsize; 1243 usp = (u_short *)malloc(scp->history_size * sizeof(u_short), 1244 M_DEVBUF, M_NOWAIT); 1245 if (usp != NULL) 1246 bzero(usp, scp->history_size * sizeof(u_short)); 1247 scp->history_head = scp->history_pos = usp; 1248 scp->history = usp; 1249 if (scp == cur_console) 1250 set_mode(scp); 1251 scp->status &= ~UNKNOWN_MODE; 1252 clear_screen(scp); 1253 if (tp->t_winsize.ws_col != scp->xsize 1254 || tp->t_winsize.ws_row != scp->ysize) { 1255 tp->t_winsize.ws_col = scp->xsize; 1256 tp->t_winsize.ws_row = scp->ysize; 1257 pgsignal(tp->t_pgrp, SIGWINCH, 1); 1258 } 1259 return 0; 1260 1261 /* GRAPHICS MODES */ 1262 case SW_BG320: case SW_BG640: 1263 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 1264 case SW_CG640x350: case SW_ENH_CG640: 1265 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 1266 1267 if (!crtc_vga || video_mode_ptr == NULL) 1268 return ENXIO; 1269 scp->mode = cmd & 0xFF; 1270 scp->xpixel = (*(video_mode_ptr + (scp->mode*64))) * 8; 1271 scp->ypixel = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 1272 (*(video_mode_ptr + (scp->mode*64) + 2)); 1273 if (scp == cur_console) 1274 set_mode(scp); 1275 scp->status |= UNKNOWN_MODE; /* graphics mode */ 1276 /* clear_graphics();*/ 1277 1278 if (tp->t_winsize.ws_xpixel != scp->xpixel 1279 || tp->t_winsize.ws_ypixel != scp->ypixel) { 1280 tp->t_winsize.ws_xpixel = scp->xpixel; 1281 tp->t_winsize.ws_ypixel = scp->ypixel; 1282 pgsignal(tp->t_pgrp, SIGWINCH, 1); 1283 } 1284 return 0; 1285 1286 case SW_VGA_MODEX: 1287 if (!crtc_vga || video_mode_ptr == NULL) 1288 return ENXIO; 1289 scp->mode = cmd & 0xFF; 1290 if (scp == cur_console) 1291 set_mode(scp); 1292 scp->status |= UNKNOWN_MODE; /* graphics mode */ 1293 /* clear_graphics();*/ 1294 scp->xpixel = 320; 1295 scp->ypixel = 240; 1296 if (tp->t_winsize.ws_xpixel != scp->xpixel 1297 || tp->t_winsize.ws_ypixel != scp->ypixel) { 1298 tp->t_winsize.ws_xpixel = scp->xpixel; 1299 tp->t_winsize.ws_ypixel = scp->ypixel; 1300 pgsignal(tp->t_pgrp, SIGWINCH, 1); 1301 } 1302 return 0; 1303 1304 case VT_SETMODE: /* set screen switcher mode */ 1305 { 1306 struct vt_mode *mode; 1307 1308 mode = (struct vt_mode *)data; 1309 if (ISSIGVALID(mode->relsig) && ISSIGVALID(mode->acqsig) && 1310 ISSIGVALID(mode->frsig)) { 1311 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1312 if (scp->smode.mode == VT_PROCESS) { 1313 scp->proc = p; 1314 scp->pid = scp->proc->p_pid; 1315 } 1316 return 0; 1317 } else 1318 return EINVAL; 1319 } 1320 1321 case VT_GETMODE: /* get screen switcher mode */ 1322 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1323 return 0; 1324 1325 case VT_RELDISP: /* screen switcher ioctl */ 1326 switch(*data) { 1327 case VT_FALSE: /* user refuses to release screen, abort */ 1328 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 1329 old_scp->status &= ~SWITCH_WAIT_REL; 1330 switch_in_progress = FALSE; 1331 return 0; 1332 } 1333 return EINVAL; 1334 1335 case VT_TRUE: /* user has released screen, go on */ 1336 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 1337 scp->status &= ~SWITCH_WAIT_REL; 1338 exchange_scr(); 1339 if (new_scp->smode.mode == VT_PROCESS) { 1340 new_scp->status |= SWITCH_WAIT_ACQ; 1341 psignal(new_scp->proc, new_scp->smode.acqsig); 1342 } 1343 else 1344 switch_in_progress = FALSE; 1345 return 0; 1346 } 1347 return EINVAL; 1348 1349 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1350 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 1351 scp->status &= ~SWITCH_WAIT_ACQ; 1352 switch_in_progress = FALSE; 1353 return 0; 1354 } 1355 return EINVAL; 1356 1357 default: 1358 return EINVAL; 1359 } 1360 /* NOT REACHED */ 1361 1362 case VT_OPENQRY: /* return free virtual console */ 1363 for (i = 0; i < MAXCONS; i++) { 1364 tp = VIRTUAL_TTY(i); 1365 if (!(tp->t_state & TS_ISOPEN)) { 1366 *data = i + 1; 1367 return 0; 1368 } 1369 } 1370 return EINVAL; 1371 1372 case VT_ACTIVATE: /* switch to screen *data */ 1373 return switch_scr(scp, (*data) - 1); 1374 1375 case VT_WAITACTIVE: /* wait for switch to occur */ 1376 if (*data > MAXCONS || *data < 0) 1377 return EINVAL; 1378 if (minor(dev) == (*data) - 1) 1379 return 0; 1380 if (*data == 0) { 1381 if (scp == cur_console) 1382 return 0; 1383 } 1384 else 1385 scp = console[(*data) - 1]; 1386 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 1387 "waitvt", 0)) == ERESTART) ; 1388 return error; 1389 1390 case VT_GETACTIVE: 1391 *data = get_scr_num()+1; 1392 return 0; 1393 1394 case KDENABIO: /* allow io operations */ 1395 error = suser(p->p_ucred, &p->p_acflag); 1396 if (error != 0) 1397 return error; 1398 if (securelevel > 0) 1399 return EPERM; 1400 p->p_md.md_regs->tf_eflags |= PSL_IOPL; 1401 return 0; 1402 1403 case KDDISABIO: /* disallow io operations (default) */ 1404 p->p_md.md_regs->tf_eflags &= ~PSL_IOPL; 1405 return 0; 1406 1407 case KDSETMODE: /* set current mode of this (virtual) console */ 1408 switch (*data) { 1409 case KD_TEXT: /* switch to TEXT (known) mode */ 1410 /* restore fonts & palette ! */ 1411 if (crtc_vga) { 1412 if (fonts_loaded & FONT_8) 1413 copy_font(LOAD, FONT_8, font_8); 1414 if (fonts_loaded & FONT_14) 1415 copy_font(LOAD, FONT_14, font_14); 1416 if (fonts_loaded & FONT_16) 1417 copy_font(LOAD, FONT_16, font_16); 1418 load_palette(palette); 1419 } 1420 /* FALL THROUGH */ 1421 1422 case KD_TEXT1: /* switch to TEXT (known) mode */ 1423 /* no restore fonts & palette */ 1424 if (crtc_vga && video_mode_ptr) 1425 set_mode(scp); 1426 scp->status &= ~UNKNOWN_MODE; 1427 clear_screen(scp); 1428 return 0; 1429 1430 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 1431 scp->status |= UNKNOWN_MODE; 1432 return 0; 1433 default: 1434 return EINVAL; 1435 } 1436 /* NOT REACHED */ 1437 1438 case KDGETMODE: /* get current mode of this (virtual) console */ 1439 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 1440 return 0; 1441 1442 case KDSBORDER: /* set border color of this (virtual) console */ 1443 scp->border = *data; 1444 if (scp == cur_console) 1445 set_border(scp->border); 1446 return 0; 1447 1448 case KDSKBSTATE: /* set keyboard state (locks) */ 1449 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 1450 scp->status &= ~LOCK_KEY_MASK; 1451 scp->status |= *data; 1452 if (scp == cur_console) 1453 update_leds(scp->status); 1454 return 0; 1455 } 1456 return EINVAL; 1457 1458 case KDGKBSTATE: /* get keyboard state (locks) */ 1459 *data = scp->status & LOCK_KEY_MASK; 1460 return 0; 1461 1462 case KDSETRAD: /* set keyboard repeat & delay rates */ 1463 if (*data & 0x80) 1464 return EINVAL; 1465 if (sc_kbdc != NULL) 1466 set_keyboard(KBDC_SET_TYPEMATIC, *data); 1467 return 0; 1468 1469 case KDSKBMODE: /* set keyboard mode */ 1470 switch (*data) { 1471 case K_RAW: /* switch to RAW scancode mode */ 1472 scp->status &= ~KBD_CODE_MODE; 1473 scp->status |= KBD_RAW_MODE; 1474 return 0; 1475 1476 case K_CODE: /* switch to CODE mode */ 1477 scp->status &= ~KBD_RAW_MODE; 1478 scp->status |= KBD_CODE_MODE; 1479 return 0; 1480 1481 case K_XLATE: /* switch to XLT ascii mode */ 1482 if (scp == cur_console && scp->status & KBD_RAW_MODE) 1483 shfts = ctls = alts = agrs = metas = 0; 1484 scp->status &= ~(KBD_RAW_MODE | KBD_CODE_MODE); 1485 return 0; 1486 default: 1487 return EINVAL; 1488 } 1489 /* NOT REACHED */ 1490 1491 case KDGKBMODE: /* get keyboard mode */ 1492 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : 1493 ((scp->status & KBD_CODE_MODE) ? K_CODE : K_XLATE); 1494 return 0; 1495 1496 case KDMKTONE: /* sound the bell */ 1497 if (*(int*)data) 1498 do_bell(scp, (*(int*)data)&0xffff, 1499 (((*(int*)data)>>16)&0xffff)*hz/1000); 1500 else 1501 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1502 return 0; 1503 1504 case KIOCSOUND: /* make tone (*data) hz */ 1505 if (scp == cur_console) { 1506 if (*(int*)data) { 1507 int pitch = timer_freq / *(int*)data; 1508 1509 /* set command for counter 2, 2 byte write */ 1510 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1511 return EBUSY; 1512 1513 /* set pitch */ 1514 outb(TIMER_CNTR2, pitch); 1515 outb(TIMER_CNTR2, (pitch>>8)); 1516 1517 /* enable counter 2 output to speaker */ 1518 outb(IO_PPI, inb(IO_PPI) | 3); 1519 } 1520 else { 1521 /* disable counter 2 output to speaker */ 1522 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1523 release_timer2(); 1524 } 1525 } 1526 return 0; 1527 1528 case KDGKBTYPE: /* get keyboard type */ 1529 *data = 0; /* type not known (yet) */ 1530 return 0; 1531 1532 case KDSETLED: /* set keyboard LED status */ 1533 if (*data >= 0 && *data <= LED_MASK) { 1534 scp->status &= ~LED_MASK; 1535 scp->status |= *data; 1536 if (scp == cur_console) 1537 update_leds(scp->status); 1538 return 0; 1539 } 1540 return EINVAL; 1541 1542 case KDGETLED: /* get keyboard LED status */ 1543 *data = scp->status & LED_MASK; 1544 return 0; 1545 1546 case GETFKEY: /* get functionkey string */ 1547 if (*(u_short*)data < n_fkey_tab) { 1548 fkeyarg_t *ptr = (fkeyarg_t*)data; 1549 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1550 fkey_tab[ptr->keynum].len); 1551 ptr->flen = fkey_tab[ptr->keynum].len; 1552 return 0; 1553 } 1554 else 1555 return EINVAL; 1556 1557 case SETFKEY: /* set functionkey string */ 1558 if (*(u_short*)data < n_fkey_tab) { 1559 fkeyarg_t *ptr = (fkeyarg_t*)data; 1560 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1561 min(ptr->flen, MAXFK)); 1562 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1563 return 0; 1564 } 1565 else 1566 return EINVAL; 1567 1568 case GIO_SCRNMAP: /* get output translation table */ 1569 bcopy(&scr_map, data, sizeof(scr_map)); 1570 return 0; 1571 1572 case PIO_SCRNMAP: /* set output translation table */ 1573 bcopy(data, &scr_map, sizeof(scr_map)); 1574 for (i=0; i<sizeof(scr_map); i++) 1575 scr_rmap[scr_map[i]] = i; 1576 return 0; 1577 1578 case GIO_KEYMAP: /* get keyboard translation table */ 1579 bcopy(&key_map, data, sizeof(key_map)); 1580 return 0; 1581 1582 case PIO_KEYMAP: /* set keyboard translation table */ 1583 bcopy(data, &key_map, sizeof(key_map)); 1584 return 0; 1585 1586 case PIO_FONT8x8: /* set 8x8 dot font */ 1587 if (!crtc_vga) 1588 return ENXIO; 1589 bcopy(data, font_8, 8*256); 1590 fonts_loaded |= FONT_8; 1591 if (!(cur_console->status & UNKNOWN_MODE)) { 1592 copy_font(LOAD, FONT_8, font_8); 1593 if (flags & CHAR_CURSOR) 1594 set_destructive_cursor(cur_console); 1595 } 1596 return 0; 1597 1598 case GIO_FONT8x8: /* get 8x8 dot font */ 1599 if (!crtc_vga) 1600 return ENXIO; 1601 if (fonts_loaded & FONT_8) { 1602 bcopy(font_8, data, 8*256); 1603 return 0; 1604 } 1605 else 1606 return ENXIO; 1607 1608 case PIO_FONT8x14: /* set 8x14 dot font */ 1609 if (!crtc_vga) 1610 return ENXIO; 1611 bcopy(data, font_14, 14*256); 1612 fonts_loaded |= FONT_14; 1613 if (!(cur_console->status & UNKNOWN_MODE)) { 1614 copy_font(LOAD, FONT_14, font_14); 1615 if (flags & CHAR_CURSOR) 1616 set_destructive_cursor(cur_console); 1617 } 1618 return 0; 1619 1620 case GIO_FONT8x14: /* get 8x14 dot font */ 1621 if (!crtc_vga) 1622 return ENXIO; 1623 if (fonts_loaded & FONT_14) { 1624 bcopy(font_14, data, 14*256); 1625 return 0; 1626 } 1627 else 1628 return ENXIO; 1629 1630 case PIO_FONT8x16: /* set 8x16 dot font */ 1631 if (!crtc_vga) 1632 return ENXIO; 1633 bcopy(data, font_16, 16*256); 1634 fonts_loaded |= FONT_16; 1635 if (!(cur_console->status & UNKNOWN_MODE)) { 1636 copy_font(LOAD, FONT_16, font_16); 1637 if (flags & CHAR_CURSOR) 1638 set_destructive_cursor(cur_console); 1639 } 1640 return 0; 1641 1642 case GIO_FONT8x16: /* get 8x16 dot font */ 1643 if (!crtc_vga) 1644 return ENXIO; 1645 if (fonts_loaded & FONT_16) { 1646 bcopy(font_16, data, 16*256); 1647 return 0; 1648 } 1649 else 1650 return ENXIO; 1651 default: 1652 break; 1653 } 1654 1655 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1656 if (error >= 0) 1657 return(error); 1658 error = ttioctl(tp, cmd, data, flag); 1659 if (error >= 0) 1660 return(error); 1661 return(ENOTTY); 1662} 1663 1664static void 1665scstart(struct tty *tp) 1666{ 1667 struct clist *rbp; 1668 int s, len; 1669 u_char buf[PCBURST]; 1670 scr_stat *scp = get_scr_stat(tp->t_dev); 1671 1672 if (scp->status & SLKED || blink_in_progress) 1673 return; /* XXX who repeats the call when the above flags are cleared? */ 1674 s = spltty(); 1675 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1676 tp->t_state |= TS_BUSY; 1677 rbp = &tp->t_outq; 1678 while (rbp->c_cc) { 1679 len = q_to_b(rbp, buf, PCBURST); 1680 splx(s); 1681 ansi_put(scp, buf, len); 1682 s = spltty(); 1683 } 1684 tp->t_state &= ~TS_BUSY; 1685 ttwwakeup(tp); 1686 } 1687 splx(s); 1688} 1689 1690static void 1691scmousestart(struct tty *tp) 1692{ 1693 struct clist *rbp; 1694 int s; 1695 u_char buf[PCBURST]; 1696 1697 s = spltty(); 1698 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1699 tp->t_state |= TS_BUSY; 1700 rbp = &tp->t_outq; 1701 while (rbp->c_cc) { 1702 q_to_b(rbp, buf, PCBURST); 1703 } 1704 tp->t_state &= ~TS_BUSY; 1705 ttwwakeup(tp); 1706 } 1707 splx(s); 1708} 1709 1710void 1711sccnprobe(struct consdev *cp) 1712{ 1713 struct isa_device *dvp; 1714 1715 /* 1716 * Take control if we are the highest priority enabled display device. 1717 */ 1718 dvp = find_display(); 1719 if (dvp == NULL || dvp->id_driver != &scdriver) { 1720 cp->cn_pri = CN_DEAD; 1721 return; 1722 } 1723 1724 if (!scvidprobe(dvp->id_unit, dvp->id_flags)) { 1725 cp->cn_pri = CN_DEAD; 1726 return; 1727 } 1728 1729 /* initialize required fields */ 1730 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLE); 1731 cp->cn_pri = CN_INTERNAL; 1732 1733 sc_kbdc = kbdc_open(sc_port); 1734} 1735 1736void 1737sccninit(struct consdev *cp) 1738{ 1739 scinit(); 1740} 1741 1742void 1743sccnputc(dev_t dev, int c) 1744{ 1745 u_char buf[1]; 1746 int s; 1747 scr_stat *scp = console[0]; 1748 term_stat save = scp->term; 1749 1750 scp->term = kernel_console; 1751 current_default = &kernel_default; 1752 if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) 1753 remove_cursor_image(scp); 1754 buf[0] = c; 1755 ansi_put(scp, buf, 1); 1756 kernel_console = scp->term; 1757 current_default = &user_default; 1758 scp->term = save; 1759 s = splclock(); 1760 if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) { 1761 if (/* timer not running && */ (scp->start <= scp->end)) { 1762 sc_bcopy(scp->scr_buf + scp->start, Crtat + scp->start, 1763 (1 + scp->end - scp->start) * sizeof(u_short)); 1764 scp->start = scp->xsize * scp->ysize; 1765 scp->end = 0; 1766 } 1767 scp->cursor_oldpos = scp->cursor_pos; 1768 draw_cursor_image(scp); 1769 } 1770 splx(s); 1771} 1772 1773int 1774sccngetc(dev_t dev) 1775{ 1776 int s = spltty(); /* block scintr and scrn_timer while we poll */ 1777 int c; 1778 1779 /* 1780 * Stop the screen saver if necessary. 1781 * What if we have been running in the screen saver code... XXX 1782 */ 1783 if (scrn_blanked > 0) 1784 stop_scrn_saver(current_saver); 1785 1786 c = scgetc(SCGETC_CN); 1787 1788 /* make sure the screen saver won't be activated soon */ 1789 scrn_time_stamp = mono_time.tv_sec; 1790 splx(s); 1791 return(c); 1792} 1793 1794int 1795sccncheckc(dev_t dev) 1796{ 1797 int c, s; 1798 1799 s = spltty(); 1800 if (scrn_blanked > 0) 1801 stop_scrn_saver(current_saver); 1802 c = scgetc(SCGETC_CN | SCGETC_NONBLOCK); 1803 if (c != NOKEY) 1804 scrn_time_stamp = mono_time.tv_sec; 1805 splx(s); 1806 return(c == NOKEY ? -1 : c); /* c == -1 can't happen */ 1807} 1808 1809static scr_stat 1810*get_scr_stat(dev_t dev) 1811{ 1812 int unit = minor(dev); 1813 1814 if (unit == SC_CONSOLE) 1815 return console[0]; 1816 if (unit >= MAXCONS || unit < 0) 1817 return(NULL); 1818 return console[unit]; 1819} 1820 1821static int 1822get_scr_num() 1823{ 1824 int i = 0; 1825 1826 while ((i < MAXCONS) && (cur_console != console[i])) 1827 i++; 1828 return i < MAXCONS ? i : 0; 1829} 1830 1831static void 1832scrn_timer(void *arg) 1833{ 1834 scr_stat *scp = cur_console; 1835 int s = spltty(); 1836 1837 /* 1838 * With release 2.1 of the Xaccel server, the keyboard is left 1839 * hanging pretty often. Apparently an interrupt from the 1840 * keyboard is lost, and I don't know why (yet). 1841 * This ugly hack calls scintr if input is ready for the keyboard 1842 * and conveniently hides the problem. XXX 1843 */ 1844 /* Try removing anything stuck in the keyboard controller; whether 1845 * it's a keyboard scan code or mouse data. `scintr()' doesn't 1846 * read the mouse data directly, but `kbdio' routines will, as a 1847 * side effect. 1848 */ 1849 if (kbdc_lock(sc_kbdc, TRUE)) { 1850 /* 1851 * We have seen the lock flag is not set. Let's reset the flag early; 1852 * otherwise `update_led()' failes which may want the lock 1853 * during `scintr()'. 1854 */ 1855 kbdc_lock(sc_kbdc, FALSE); 1856 if (kbdc_data_ready(sc_kbdc)) 1857 scintr(0); 1858 } 1859 1860 /* should we just return ? */ 1861 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1862 timeout(scrn_timer, NULL, hz / 10); 1863 splx(s); 1864 return; 1865 } 1866 1867 /* should we stop the screen saver? */ 1868 if (mono_time.tv_sec <= scrn_time_stamp + scrn_blank_time) 1869 if (scrn_blanked > 0) 1870 stop_scrn_saver(current_saver); 1871 1872 if (scrn_blanked <= 0) { 1873 /* update screen image */ 1874 if (scp->start <= scp->end) { 1875 sc_bcopy(scp->scr_buf + scp->start, Crtat + scp->start, 1876 (1 + scp->end - scp->start) * sizeof(u_short)); 1877 } 1878 1879 /* update "pseudo" mouse pointer image */ 1880 if ((scp->status & MOUSE_VISIBLE) && crtc_vga) { 1881 /* did mouse move since last time ? */ 1882 if (scp->status & MOUSE_MOVED) { 1883 /* do we need to remove old mouse pointer image ? */ 1884 if (scp->mouse_cut_start != NULL || 1885 (scp->mouse_pos-scp->scr_buf) <= scp->start || 1886 (scp->mouse_pos+scp->xsize+1-scp->scr_buf) >= scp->end) { 1887 remove_mouse_image(scp); 1888 } 1889 scp->status &= ~MOUSE_MOVED; 1890 draw_mouse_image(scp); 1891 } 1892 else { 1893 /* mouse didn't move, has it been overwritten ? */ 1894 if ((scp->mouse_pos+scp->xsize+1-scp->scr_buf) >= scp->start && 1895 (scp->mouse_pos - scp->scr_buf) <= scp->end) { 1896 draw_mouse_image(scp); 1897 } 1898 } 1899 } 1900 1901 /* update cursor image */ 1902 if (scp->status & CURSOR_ENABLED) { 1903 /* did cursor move since last time ? */ 1904 if (scp->cursor_pos != scp->cursor_oldpos) { 1905 /* do we need to remove old cursor image ? */ 1906 if ((scp->cursor_oldpos - scp->scr_buf) < scp->start || 1907 ((scp->cursor_oldpos - scp->scr_buf) > scp->end)) { 1908 remove_cursor_image(scp); 1909 } 1910 scp->cursor_oldpos = scp->cursor_pos; 1911 draw_cursor_image(scp); 1912 } 1913 else { 1914 /* cursor didn't move, has it been overwritten ? */ 1915 if (scp->cursor_pos - scp->scr_buf >= scp->start && 1916 scp->cursor_pos - scp->scr_buf <= scp->end) { 1917 draw_cursor_image(scp); 1918 } else { 1919 /* if its a blinking cursor, we may have to update it */ 1920 if (flags & BLINK_CURSOR) 1921 draw_cursor_image(scp); 1922 } 1923 } 1924 blinkrate++; 1925 } 1926 1927 if (scp->mouse_cut_start != NULL) 1928 draw_cutmarking(scp); 1929 1930 scp->end = 0; 1931 scp->start = scp->xsize*scp->ysize; 1932 } 1933 1934 /* should we activate the screen saver? */ 1935 if ((scrn_blank_time != 0) 1936 && (mono_time.tv_sec > scrn_time_stamp + scrn_blank_time)) 1937 (*current_saver)(TRUE); 1938 1939 timeout(scrn_timer, NULL, hz / 25); 1940 splx(s); 1941} 1942 1943int 1944add_scrn_saver(void (*this_saver)(int)) 1945{ 1946 if (current_saver != none_saver) 1947 return EBUSY; 1948 current_saver = this_saver; 1949 return 0; 1950} 1951 1952int 1953remove_scrn_saver(void (*this_saver)(int)) 1954{ 1955 if (current_saver != this_saver) 1956 return EINVAL; 1957 1958 /* 1959 * In order to prevent `current_saver' from being called by 1960 * the timeout routine `scrn_timer()' while we manipulate 1961 * the saver list, we shall set `current_saver' to `none_saver' 1962 * before stopping the current saver, rather than blocking by `splXX()'. 1963 */ 1964 current_saver = none_saver; 1965 if (scrn_blanked > 0) 1966 stop_scrn_saver(this_saver); 1967 1968 return 0; 1969} 1970 1971static void 1972stop_scrn_saver(void (*saver)(int)) 1973{ 1974 (*saver)(FALSE); 1975 scrn_time_stamp = mono_time.tv_sec; 1976 mark_all(cur_console); 1977} 1978 1979static void 1980clear_screen(scr_stat *scp) 1981{ 1982 move_crsr(scp, 0, 0); 1983 scp->cursor_oldpos = scp->cursor_pos; 1984 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1985 scp->xsize * scp->ysize); 1986 mark_all(scp); 1987 remove_cutmarking(scp); 1988} 1989 1990static int 1991switch_scr(scr_stat *scp, u_int next_scr) 1992{ 1993 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1994 switch_in_progress = FALSE; 1995 1996 if (next_scr >= MAXCONS || switch_in_progress || 1997 (cur_console->smode.mode == VT_AUTO 1998 && cur_console->status & UNKNOWN_MODE)) { 1999 do_bell(scp, BELL_PITCH, BELL_DURATION); 2000 return EINVAL; 2001 } 2002 2003 /* is the wanted virtual console open ? */ 2004 if (next_scr) { 2005 struct tty *tp = VIRTUAL_TTY(next_scr); 2006 if (!(tp->t_state & TS_ISOPEN)) { 2007 do_bell(scp, BELL_PITCH, BELL_DURATION); 2008 return EINVAL; 2009 } 2010 } 2011 /* delay switch if actively updating screen */ 2012 if (write_in_progress || blink_in_progress) { 2013 delayed_next_scr = next_scr+1; 2014 return 0; 2015 } 2016 switch_in_progress = TRUE; 2017 old_scp = cur_console; 2018 new_scp = console[next_scr]; 2019 wakeup((caddr_t)&new_scp->smode); 2020 if (new_scp == old_scp) { 2021 switch_in_progress = FALSE; 2022 delayed_next_scr = FALSE; 2023 return 0; 2024 } 2025 2026 /* has controlling process died? */ 2027 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 2028 old_scp->smode.mode = VT_AUTO; 2029 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 2030 new_scp->smode.mode = VT_AUTO; 2031 2032 /* check the modes and switch appropriately */ 2033 if (old_scp->smode.mode == VT_PROCESS) { 2034 old_scp->status |= SWITCH_WAIT_REL; 2035 psignal(old_scp->proc, old_scp->smode.relsig); 2036 } 2037 else { 2038 exchange_scr(); 2039 if (new_scp->smode.mode == VT_PROCESS) { 2040 new_scp->status |= SWITCH_WAIT_ACQ; 2041 psignal(new_scp->proc, new_scp->smode.acqsig); 2042 } 2043 else 2044 switch_in_progress = FALSE; 2045 } 2046 return 0; 2047} 2048 2049static void 2050exchange_scr(void) 2051{ 2052 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 2053 cur_console = new_scp; 2054 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 2055 if (crtc_vga && video_mode_ptr) 2056 set_mode(new_scp); 2057 } 2058 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 2059 if (!(new_scp->status & UNKNOWN_MODE) && (flags & CHAR_CURSOR)) 2060 set_destructive_cursor(new_scp); 2061 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) 2062 load_palette(palette); 2063 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE || 2064 old_scp->status & KBD_CODE_MODE || new_scp->status & KBD_CODE_MODE) 2065 shfts = ctls = alts = agrs = metas = 0; 2066 update_leds(new_scp->status); 2067 delayed_next_scr = FALSE; 2068 mark_all(new_scp); 2069} 2070 2071static void 2072scan_esc(scr_stat *scp, u_char c) 2073{ 2074 static u_char ansi_col[16] = 2075 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 2076 int i, n; 2077 u_short *src, *dst, count; 2078 2079 if (scp->term.esc == 1) { /* seen ESC */ 2080 switch (c) { 2081 2082 case '7': /* Save cursor position */ 2083 scp->saved_xpos = scp->xpos; 2084 scp->saved_ypos = scp->ypos; 2085 break; 2086 2087 case '8': /* Restore saved cursor position */ 2088 if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0) 2089 move_crsr(scp, scp->saved_xpos, scp->saved_ypos); 2090 break; 2091 2092 case '[': /* Start ESC [ sequence */ 2093 scp->term.esc = 2; 2094 scp->term.last_param = -1; 2095 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 2096 scp->term.param[i] = 1; 2097 scp->term.num_param = 0; 2098 return; 2099 2100 case 'M': /* Move cursor up 1 line, scroll if at top */ 2101 if (scp->ypos > 0) 2102 move_crsr(scp, scp->xpos, scp->ypos - 1); 2103 else { 2104 bcopy(scp->scr_buf, scp->scr_buf + scp->xsize, 2105 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 2106 fillw(scp->term.cur_color | scr_map[0x20], 2107 scp->scr_buf, scp->xsize); 2108 mark_all(scp); 2109 } 2110 break; 2111#if notyet 2112 case 'Q': 2113 scp->term.esc = 4; 2114 return; 2115#endif 2116 case 'c': /* Clear screen & home */ 2117 clear_screen(scp); 2118 break; 2119 2120 case '(': /* iso-2022: designate 94 character set to G0 */ 2121 scp->term.esc = 5; 2122 return; 2123 } 2124 } 2125 else if (scp->term.esc == 2) { /* seen ESC [ */ 2126 if (c >= '0' && c <= '9') { 2127 if (scp->term.num_param < MAX_ESC_PAR) { 2128 if (scp->term.last_param != scp->term.num_param) { 2129 scp->term.last_param = scp->term.num_param; 2130 scp->term.param[scp->term.num_param] = 0; 2131 } 2132 else 2133 scp->term.param[scp->term.num_param] *= 10; 2134 scp->term.param[scp->term.num_param] += c - '0'; 2135 return; 2136 } 2137 } 2138 scp->term.num_param = scp->term.last_param + 1; 2139 switch (c) { 2140 2141 case ';': 2142 if (scp->term.num_param < MAX_ESC_PAR) 2143 return; 2144 break; 2145 2146 case '=': 2147 scp->term.esc = 3; 2148 scp->term.last_param = -1; 2149 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 2150 scp->term.param[i] = 1; 2151 scp->term.num_param = 0; 2152 return; 2153 2154 case 'A': /* up n rows */ 2155 n = scp->term.param[0]; if (n < 1) n = 1; 2156 move_crsr(scp, scp->xpos, scp->ypos - n); 2157 break; 2158 2159 case 'B': /* down n rows */ 2160 n = scp->term.param[0]; if (n < 1) n = 1; 2161 move_crsr(scp, scp->xpos, scp->ypos + n); 2162 break; 2163 2164 case 'C': /* right n columns */ 2165 n = scp->term.param[0]; if (n < 1) n = 1; 2166 move_crsr(scp, scp->xpos + n, scp->ypos); 2167 break; 2168 2169 case 'D': /* left n columns */ 2170 n = scp->term.param[0]; if (n < 1) n = 1; 2171 move_crsr(scp, scp->xpos - n, scp->ypos); 2172 break; 2173 2174 case 'E': /* cursor to start of line n lines down */ 2175 n = scp->term.param[0]; if (n < 1) n = 1; 2176 move_crsr(scp, 0, scp->ypos + n); 2177 break; 2178 2179 case 'F': /* cursor to start of line n lines up */ 2180 n = scp->term.param[0]; if (n < 1) n = 1; 2181 move_crsr(scp, 0, scp->ypos - n); 2182 break; 2183 2184 case 'f': /* Cursor move */ 2185 case 'H': 2186 if (scp->term.num_param == 0) 2187 move_crsr(scp, 0, 0); 2188 else if (scp->term.num_param == 2) 2189 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 2190 break; 2191 2192 case 'J': /* Clear all or part of display */ 2193 if (scp->term.num_param == 0) 2194 n = 0; 2195 else 2196 n = scp->term.param[0]; 2197 switch (n) { 2198 case 0: /* clear form cursor to end of display */ 2199 fillw(scp->term.cur_color | scr_map[0x20], 2200 scp->cursor_pos, 2201 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 2202 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2203 mark_for_update(scp, scp->xsize * scp->ysize); 2204 remove_cutmarking(scp); 2205 break; 2206 case 1: /* clear from beginning of display to cursor */ 2207 fillw(scp->term.cur_color | scr_map[0x20], 2208 scp->scr_buf, 2209 scp->cursor_pos - scp->scr_buf); 2210 mark_for_update(scp, 0); 2211 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2212 remove_cutmarking(scp); 2213 break; 2214 case 2: /* clear entire display */ 2215 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 2216 scp->xsize * scp->ysize); 2217 mark_all(scp); 2218 remove_cutmarking(scp); 2219 break; 2220 } 2221 break; 2222 2223 case 'K': /* Clear all or part of line */ 2224 if (scp->term.num_param == 0) 2225 n = 0; 2226 else 2227 n = scp->term.param[0]; 2228 switch (n) { 2229 case 0: /* clear form cursor to end of line */ 2230 fillw(scp->term.cur_color | scr_map[0x20], 2231 scp->cursor_pos, 2232 scp->xsize - scp->xpos); 2233 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2234 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 2235 scp->xsize - scp->xpos); 2236 break; 2237 case 1: /* clear from beginning of line to cursor */ 2238 fillw(scp->term.cur_color | scr_map[0x20], 2239 scp->cursor_pos - scp->xpos, 2240 scp->xpos + 1); 2241 mark_for_update(scp, scp->ypos * scp->xsize); 2242 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2243 break; 2244 case 2: /* clear entire line */ 2245 fillw(scp->term.cur_color | scr_map[0x20], 2246 scp->cursor_pos - scp->xpos, 2247 scp->xsize); 2248 mark_for_update(scp, scp->ypos * scp->xsize); 2249 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 2250 break; 2251 } 2252 break; 2253 2254 case 'L': /* Insert n lines */ 2255 n = scp->term.param[0]; if (n < 1) n = 1; 2256 if (n > scp->ysize - scp->ypos) 2257 n = scp->ysize - scp->ypos; 2258 src = scp->scr_buf + scp->ypos * scp->xsize; 2259 dst = src + n * scp->xsize; 2260 count = scp->ysize - (scp->ypos + n); 2261 bcopy(src, dst, count * scp->xsize * sizeof(u_short)); 2262 fillw(scp->term.cur_color | scr_map[0x20], src, 2263 n * scp->xsize); 2264 mark_for_update(scp, scp->ypos * scp->xsize); 2265 mark_for_update(scp, scp->xsize * scp->ysize); 2266 break; 2267 2268 case 'M': /* Delete n lines */ 2269 n = scp->term.param[0]; if (n < 1) n = 1; 2270 if (n > scp->ysize - scp->ypos) 2271 n = scp->ysize - scp->ypos; 2272 dst = scp->scr_buf + scp->ypos * scp->xsize; 2273 src = dst + n * scp->xsize; 2274 count = scp->ysize - (scp->ypos + n); 2275 bcopy(src, dst, count * scp->xsize * sizeof(u_short)); 2276 src = dst + count * scp->xsize; 2277 fillw(scp->term.cur_color | scr_map[0x20], src, 2278 n * scp->xsize); 2279 mark_for_update(scp, scp->ypos * scp->xsize); 2280 mark_for_update(scp, scp->xsize * scp->ysize); 2281 break; 2282 2283 case 'P': /* Delete n chars */ 2284 n = scp->term.param[0]; if (n < 1) n = 1; 2285 if (n > scp->xsize - scp->xpos) 2286 n = scp->xsize - scp->xpos; 2287 dst = scp->cursor_pos; 2288 src = dst + n; 2289 count = scp->xsize - (scp->xpos + n); 2290 bcopy(src, dst, count * sizeof(u_short)); 2291 src = dst + count; 2292 fillw(scp->term.cur_color | scr_map[0x20], src, n); 2293 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2294 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 2295 break; 2296 2297 case '@': /* Insert n chars */ 2298 n = scp->term.param[0]; if (n < 1) n = 1; 2299 if (n > scp->xsize - scp->xpos) 2300 n = scp->xsize - scp->xpos; 2301 src = scp->cursor_pos; 2302 dst = src + n; 2303 count = scp->xsize - (scp->xpos + n); 2304 bcopy(src, dst, count * sizeof(u_short)); 2305 fillw(scp->term.cur_color | scr_map[0x20], src, n); 2306 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2307 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 2308 break; 2309 2310 case 'S': /* scroll up n lines */ 2311 n = scp->term.param[0]; if (n < 1) n = 1; 2312 if (n > scp->ysize) 2313 n = scp->ysize; 2314 bcopy(scp->scr_buf + (scp->xsize * n), 2315 scp->scr_buf, 2316 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 2317 fillw(scp->term.cur_color | scr_map[0x20], 2318 scp->scr_buf + scp->xsize * (scp->ysize - n), 2319 scp->xsize * n); 2320 mark_all(scp); 2321 break; 2322 2323 case 'T': /* scroll down n lines */ 2324 n = scp->term.param[0]; if (n < 1) n = 1; 2325 if (n > scp->ysize) 2326 n = scp->ysize; 2327 bcopy(scp->scr_buf, 2328 scp->scr_buf + (scp->xsize * n), 2329 scp->xsize * (scp->ysize - n) * 2330 sizeof(u_short)); 2331 fillw(scp->term.cur_color | scr_map[0x20], 2332 scp->scr_buf, scp->xsize * n); 2333 mark_all(scp); 2334 break; 2335 2336 case 'X': /* erase n characters in line */ 2337 n = scp->term.param[0]; if (n < 1) n = 1; 2338 if (n > scp->xsize - scp->xpos) 2339 n = scp->xsize - scp->xpos; 2340 fillw(scp->term.cur_color | scr_map[0x20], 2341 scp->cursor_pos, n); 2342 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2343 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 2344 break; 2345 2346 case 'Z': /* move n tabs backwards */ 2347 n = scp->term.param[0]; if (n < 1) n = 1; 2348 if ((i = scp->xpos & 0xf8) == scp->xpos) 2349 i -= 8*n; 2350 else 2351 i -= 8*(n-1); 2352 if (i < 0) 2353 i = 0; 2354 move_crsr(scp, i, scp->ypos); 2355 break; 2356 2357 case '`': /* move cursor to column n */ 2358 n = scp->term.param[0]; if (n < 1) n = 1; 2359 move_crsr(scp, n - 1, scp->ypos); 2360 break; 2361 2362 case 'a': /* move cursor n columns to the right */ 2363 n = scp->term.param[0]; if (n < 1) n = 1; 2364 move_crsr(scp, scp->xpos + n, scp->ypos); 2365 break; 2366 2367 case 'd': /* move cursor to row n */ 2368 n = scp->term.param[0]; if (n < 1) n = 1; 2369 move_crsr(scp, scp->xpos, n - 1); 2370 break; 2371 2372 case 'e': /* move cursor n rows down */ 2373 n = scp->term.param[0]; if (n < 1) n = 1; 2374 move_crsr(scp, scp->xpos, scp->ypos + n); 2375 break; 2376 2377 case 'm': /* change attribute */ 2378 if (scp->term.num_param == 0) { 2379 scp->term.attr_mask = NORMAL_ATTR; 2380 scp->term.cur_attr = 2381 scp->term.cur_color = scp->term.std_color; 2382 break; 2383 } 2384 for (i = 0; i < scp->term.num_param; i++) { 2385 switch (n = scp->term.param[i]) { 2386 case 0: /* back to normal */ 2387 scp->term.attr_mask = NORMAL_ATTR; 2388 scp->term.cur_attr = 2389 scp->term.cur_color = scp->term.std_color; 2390 break; 2391 case 1: /* bold */ 2392 scp->term.attr_mask |= BOLD_ATTR; 2393 scp->term.cur_attr = mask2attr(&scp->term); 2394 break; 2395 case 4: /* underline */ 2396 scp->term.attr_mask |= UNDERLINE_ATTR; 2397 scp->term.cur_attr = mask2attr(&scp->term); 2398 break; 2399 case 5: /* blink */ 2400 scp->term.attr_mask |= BLINK_ATTR; 2401 scp->term.cur_attr = mask2attr(&scp->term); 2402 break; 2403 case 7: /* reverse video */ 2404 scp->term.attr_mask |= REVERSE_ATTR; 2405 scp->term.cur_attr = mask2attr(&scp->term); 2406 break; 2407 case 30: case 31: /* set fg color */ 2408 case 32: case 33: case 34: 2409 case 35: case 36: case 37: 2410 scp->term.attr_mask |= FOREGROUND_CHANGED; 2411 scp->term.cur_color = 2412 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 2413 scp->term.cur_attr = mask2attr(&scp->term); 2414 break; 2415 case 40: case 41: /* set bg color */ 2416 case 42: case 43: case 44: 2417 case 45: case 46: case 47: 2418 scp->term.attr_mask |= BACKGROUND_CHANGED; 2419 scp->term.cur_color = 2420 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 2421 scp->term.cur_attr = mask2attr(&scp->term); 2422 break; 2423 } 2424 } 2425 break; 2426 2427 case 's': /* Save cursor position */ 2428 scp->saved_xpos = scp->xpos; 2429 scp->saved_ypos = scp->ypos; 2430 break; 2431 2432 case 'u': /* Restore saved cursor position */ 2433 if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0) 2434 move_crsr(scp, scp->saved_xpos, scp->saved_ypos); 2435 break; 2436 2437 case 'x': 2438 if (scp->term.num_param == 0) 2439 n = 0; 2440 else 2441 n = scp->term.param[0]; 2442 switch (n) { 2443 case 0: /* reset attributes */ 2444 scp->term.attr_mask = NORMAL_ATTR; 2445 scp->term.cur_attr = 2446 scp->term.cur_color = scp->term.std_color = 2447 current_default->std_color; 2448 scp->term.rev_color = current_default->rev_color; 2449 break; 2450 case 1: /* set ansi background */ 2451 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 2452 scp->term.cur_color = scp->term.std_color = 2453 (scp->term.std_color & 0x0F00) | 2454 (ansi_col[(scp->term.param[1])&0x0F]<<12); 2455 scp->term.cur_attr = mask2attr(&scp->term); 2456 break; 2457 case 2: /* set ansi foreground */ 2458 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 2459 scp->term.cur_color = scp->term.std_color = 2460 (scp->term.std_color & 0xF000) | 2461 (ansi_col[(scp->term.param[1])&0x0F]<<8); 2462 scp->term.cur_attr = mask2attr(&scp->term); 2463 break; 2464 case 3: /* set ansi attribute directly */ 2465 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 2466 scp->term.cur_color = scp->term.std_color = 2467 (scp->term.param[1]&0xFF)<<8; 2468 scp->term.cur_attr = mask2attr(&scp->term); 2469 break; 2470 case 5: /* set ansi reverse video background */ 2471 scp->term.rev_color = 2472 (scp->term.rev_color & 0x0F00) | 2473 (ansi_col[(scp->term.param[1])&0x0F]<<12); 2474 scp->term.cur_attr = mask2attr(&scp->term); 2475 break; 2476 case 6: /* set ansi reverse video foreground */ 2477 scp->term.rev_color = 2478 (scp->term.rev_color & 0xF000) | 2479 (ansi_col[(scp->term.param[1])&0x0F]<<8); 2480 scp->term.cur_attr = mask2attr(&scp->term); 2481 break; 2482 case 7: /* set ansi reverse video directly */ 2483 scp->term.rev_color = 2484 (scp->term.param[1]&0xFF)<<8; 2485 scp->term.cur_attr = mask2attr(&scp->term); 2486 break; 2487 } 2488 break; 2489 2490 case 'z': /* switch to (virtual) console n */ 2491 if (scp->term.num_param == 1) 2492 switch_scr(scp, scp->term.param[0]); 2493 break; 2494 } 2495 } 2496 else if (scp->term.esc == 3) { /* seen ESC [0-9]+ = */ 2497 if (c >= '0' && c <= '9') { 2498 if (scp->term.num_param < MAX_ESC_PAR) { 2499 if (scp->term.last_param != scp->term.num_param) { 2500 scp->term.last_param = scp->term.num_param; 2501 scp->term.param[scp->term.num_param] = 0; 2502 } 2503 else 2504 scp->term.param[scp->term.num_param] *= 10; 2505 scp->term.param[scp->term.num_param] += c - '0'; 2506 return; 2507 } 2508 } 2509 scp->term.num_param = scp->term.last_param + 1; 2510 switch (c) { 2511 2512 case ';': 2513 if (scp->term.num_param < MAX_ESC_PAR) 2514 return; 2515 break; 2516 2517 case 'A': /* set display border color */ 2518 if (scp->term.num_param == 1) { 2519 scp->border=scp->term.param[0] & 0xff; 2520 if (scp == cur_console) 2521 set_border(scp->border); 2522 } 2523 break; 2524 2525 case 'B': /* set bell pitch and duration */ 2526 if (scp->term.num_param == 2) { 2527 scp->bell_pitch = scp->term.param[0]; 2528 scp->bell_duration = scp->term.param[1]*10; 2529 } 2530 break; 2531 2532 case 'C': /* set cursor type & shape */ 2533 if (scp->term.num_param == 1) { 2534 if (scp->term.param[0] & 0x01) 2535 flags |= BLINK_CURSOR; 2536 else 2537 flags &= ~BLINK_CURSOR; 2538 if ((scp->term.param[0] & 0x02) && crtc_vga) 2539 flags |= CHAR_CURSOR; 2540 else 2541 flags &= ~CHAR_CURSOR; 2542 } 2543 else if (scp->term.num_param == 2) { 2544 scp->cursor_start = scp->term.param[0] & 0x1F; 2545 scp->cursor_end = scp->term.param[1] & 0x1F; 2546 } 2547 /* 2548 * The cursor shape is global property; all virtual consoles 2549 * are affected. Update the cursor in the current console... 2550 */ 2551 if (!(cur_console->status & UNKNOWN_MODE)) { 2552 remove_cursor_image(cur_console); 2553 if (crtc_vga && (flags & CHAR_CURSOR)) 2554 set_destructive_cursor(cur_console); 2555 draw_cursor_image(cur_console); 2556 } 2557 break; 2558 2559 case 'F': /* set ansi foreground */ 2560 if (scp->term.num_param == 1) { 2561 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 2562 scp->term.cur_color = scp->term.std_color = 2563 (scp->term.std_color & 0xF000) 2564 | ((scp->term.param[0] & 0x0F) << 8); 2565 scp->term.cur_attr = mask2attr(&scp->term); 2566 } 2567 break; 2568 2569 case 'G': /* set ansi background */ 2570 if (scp->term.num_param == 1) { 2571 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 2572 scp->term.cur_color = scp->term.std_color = 2573 (scp->term.std_color & 0x0F00) 2574 | ((scp->term.param[0] & 0x0F) << 12); 2575 scp->term.cur_attr = mask2attr(&scp->term); 2576 } 2577 break; 2578 2579 case 'H': /* set ansi reverse video foreground */ 2580 if (scp->term.num_param == 1) { 2581 scp->term.rev_color = 2582 (scp->term.rev_color & 0xF000) 2583 | ((scp->term.param[0] & 0x0F) << 8); 2584 scp->term.cur_attr = mask2attr(&scp->term); 2585 } 2586 break; 2587 2588 case 'I': /* set ansi reverse video background */ 2589 if (scp->term.num_param == 1) { 2590 scp->term.rev_color = 2591 (scp->term.rev_color & 0x0F00) 2592 | ((scp->term.param[0] & 0x0F) << 12); 2593 scp->term.cur_attr = mask2attr(&scp->term); 2594 } 2595 break; 2596 } 2597 } 2598#if notyet 2599 else if (scp->term.esc == 4) { /* seen ESC Q */ 2600 /* to be filled */ 2601 } 2602#endif 2603 else if (scp->term.esc == 5) { /* seen ESC ( */ 2604 switch (c) { 2605 case 'B': /* iso-2022: desginate ASCII into G0 */ 2606 break; 2607 /* other items to be filled */ 2608 default: 2609 break; 2610 } 2611 } 2612 scp->term.esc = 0; 2613} 2614 2615static void 2616ansi_put(scr_stat *scp, u_char *buf, int len) 2617{ 2618 u_char *ptr = buf; 2619 2620 /* make screensaver happy */ 2621 if (scp == cur_console) 2622 scrn_time_stamp = mono_time.tv_sec; 2623 2624 write_in_progress++; 2625outloop: 2626 if (scp->term.esc) { 2627 scan_esc(scp, *ptr++); 2628 len--; 2629 } 2630 else if (PRINTABLE(*ptr)) { /* Print only printables */ 2631 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 2632 u_short cur_attr = scp->term.cur_attr; 2633 u_short *cursor_pos = scp->cursor_pos; 2634 do { 2635 /* 2636 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 2637 * pointers in the following to volatile should have no effect, 2638 * but in fact speeds up this inner loop from 26 to 18 cycles 2639 * (+ cache misses) on i486's. 2640 */ 2641#define UCVP(ucp) ((u_char volatile *)(ucp)) 2642 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 2643 ptr++; 2644 cnt--; 2645 } while (cnt && PRINTABLE(*ptr)); 2646 len -= (cursor_pos - scp->cursor_pos); 2647 scp->xpos += (cursor_pos - scp->cursor_pos); 2648 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2649 mark_for_update(scp, cursor_pos - scp->scr_buf); 2650 scp->cursor_pos = cursor_pos; 2651 if (scp->xpos >= scp->xsize) { 2652 scp->xpos = 0; 2653 scp->ypos++; 2654 } 2655 } 2656 else { 2657 switch(*ptr) { 2658 case 0x07: 2659 do_bell(scp, scp->bell_pitch, scp->bell_duration); 2660 break; 2661 2662 case 0x08: /* non-destructive backspace */ 2663 if (scp->cursor_pos > scp->scr_buf) { 2664 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2665 scp->cursor_pos--; 2666 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2667 if (scp->xpos > 0) 2668 scp->xpos--; 2669 else { 2670 scp->xpos += scp->xsize - 1; 2671 scp->ypos--; 2672 } 2673 } 2674 break; 2675 2676 case 0x09: /* non-destructive tab */ 2677 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2678 scp->cursor_pos += (8 - scp->xpos % 8u); 2679 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2680 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 2681 scp->xpos = 0; 2682 scp->ypos++; 2683 } 2684 break; 2685 2686 case 0x0a: /* newline, same pos */ 2687 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2688 scp->cursor_pos += scp->xsize; 2689 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2690 scp->ypos++; 2691 break; 2692 2693 case 0x0c: /* form feed, clears screen */ 2694 clear_screen(scp); 2695 break; 2696 2697 case 0x0d: /* return, return to pos 0 */ 2698 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2699 scp->cursor_pos -= scp->xpos; 2700 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2701 scp->xpos = 0; 2702 break; 2703 2704 case 0x1b: /* start escape sequence */ 2705 scp->term.esc = 1; 2706 scp->term.num_param = 0; 2707 break; 2708 } 2709 ptr++; len--; 2710 } 2711 /* do we have to scroll ?? */ 2712 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2713 remove_cutmarking(scp); 2714 if (scp->history) { 2715 bcopy(scp->scr_buf, scp->history_head, 2716 scp->xsize * sizeof(u_short)); 2717 scp->history_head += scp->xsize; 2718 if (scp->history_head + scp->xsize > 2719 scp->history + scp->history_size) 2720 scp->history_head = scp->history; 2721 } 2722 bcopy(scp->scr_buf + scp->xsize, scp->scr_buf, 2723 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2724 fillw(scp->term.cur_color | scr_map[0x20], 2725 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2726 scp->xsize); 2727 scp->cursor_pos -= scp->xsize; 2728 scp->ypos--; 2729 mark_all(scp); 2730 } 2731 if (len) 2732 goto outloop; 2733 write_in_progress--; 2734 if (delayed_next_scr) 2735 switch_scr(scp, delayed_next_scr - 1); 2736} 2737 2738static void 2739scinit(void) 2740{ 2741 u_int hw_cursor; 2742 u_int i; 2743 2744 if (init_done != COLD) 2745 return; 2746 init_done = WARM; 2747 2748 /* 2749 * Ensure a zero start address. This is mainly to recover after 2750 * switching from pcvt using userconfig(). The registers are w/o 2751 * for old hardware so it's too hard to relocate the active screen 2752 * memory. 2753 */ 2754 outb(crtc_addr, 12); 2755 outb(crtc_addr + 1, 0); 2756 outb(crtc_addr, 13); 2757 outb(crtc_addr + 1, 0); 2758 2759 /* extract cursor location */ 2760 outb(crtc_addr, 14); 2761 hw_cursor = inb(crtc_addr + 1) << 8; 2762 outb(crtc_addr, 15); 2763 hw_cursor |= inb(crtc_addr + 1); 2764 2765 /* 2766 * Validate cursor location. It may be off the screen. Then we must 2767 * not use it for the initial buffer offset. 2768 */ 2769 if (hw_cursor >= ROW * COL) 2770 hw_cursor = (ROW - 1) * COL; 2771 2772 /* move hardware cursor out of the way */ 2773 outb(crtc_addr, 14); 2774 outb(crtc_addr + 1, 0xff); 2775 outb(crtc_addr, 15); 2776 outb(crtc_addr + 1, 0xff); 2777 2778 /* set up the first console */ 2779 current_default = &user_default; 2780 console[0] = &main_console; 2781 init_scp(console[0]); 2782 cur_console = console[0]; 2783 2784 /* discard the video mode table if we are not familiar with it... */ 2785 if (video_mode_ptr) { 2786 if (comp_vgaregs(vgaregs, video_mode_ptr + 64*console[0]->mode)) 2787 video_mode_ptr = NULL; 2788 } 2789 2790 /* copy screen to temporary buffer */ 2791 sc_bcopy(Crtat, sc_buffer, 2792 console[0]->xsize * console[0]->ysize * sizeof(u_short)); 2793 2794 console[0]->scr_buf = console[0]->mouse_pos = sc_buffer; 2795 console[0]->cursor_pos = console[0]->cursor_oldpos = sc_buffer + hw_cursor; 2796 console[0]->cursor_saveunder = *console[0]->cursor_pos; 2797 console[0]->xpos = hw_cursor % COL; 2798 console[0]->ypos = hw_cursor / COL; 2799 for (i=1; i<MAXCONS; i++) 2800 console[i] = NULL; 2801 kernel_console.esc = 0; 2802 kernel_console.attr_mask = NORMAL_ATTR; 2803 kernel_console.cur_attr = 2804 kernel_console.cur_color = kernel_console.std_color = 2805 kernel_default.std_color; 2806 kernel_console.rev_color = kernel_default.rev_color; 2807 2808 /* initialize mapscrn arrays to a one to one map */ 2809 for (i=0; i<sizeof(scr_map); i++) { 2810 scr_map[i] = scr_rmap[i] = i; 2811 } 2812 2813 /* Save font and palette if VGA */ 2814 if (crtc_vga) { 2815 if (fonts_loaded & FONT_16) { 2816 copy_font(LOAD, FONT_16, font_16); 2817 } else { 2818 copy_font(SAVE, FONT_16, font_16); 2819 fonts_loaded = FONT_16; 2820 } 2821 save_palette(); 2822 set_destructive_cursor(console[0]); 2823 } 2824 2825#ifdef SC_SPLASH_SCREEN 2826 /* 2827 * Now put up a graphics image, and maybe cycle a 2828 * couble of palette entries for simple animation. 2829 */ 2830 toggle_splash_screen(cur_console); 2831#endif 2832} 2833 2834static scr_stat 2835*alloc_scp() 2836{ 2837 scr_stat *scp; 2838 2839 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2840 init_scp(scp); 2841 scp->scr_buf = scp->cursor_pos = scp->cursor_oldpos = 2842 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2843 M_DEVBUF, M_WAITOK); 2844 scp->mouse_pos = scp->mouse_oldpos = 2845 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 2846 scp->mouse_xpos/8); 2847 scp->history_head = scp->history_pos = 2848 (u_short *)malloc(scp->history_size*sizeof(u_short), 2849 M_DEVBUF, M_WAITOK); 2850 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2851 scp->history = scp->history_head; 2852/* SOS 2853 if (crtc_vga && video_mode_ptr) 2854 set_mode(scp); 2855*/ 2856 clear_screen(scp); 2857 scp->cursor_saveunder = *scp->cursor_pos; 2858 return scp; 2859} 2860 2861static void 2862init_scp(scr_stat *scp) 2863{ 2864 if (crtc_vga) 2865 if (crtc_addr == MONO_BASE) 2866 scp->mode = M_VGA_M80x25; 2867 else 2868 scp->mode = M_VGA_C80x25; 2869 else 2870 if (crtc_addr == MONO_BASE) 2871 scp->mode = M_B80x25; 2872 else 2873 scp->mode = M_C80x25; 2874 2875 scp->font_size = 16; 2876 scp->xsize = COL; 2877 scp->ysize = ROW; 2878 scp->xpos = scp->ypos = 0; 2879 scp->saved_xpos = scp->saved_ypos = -1; 2880 scp->start = scp->xsize * scp->ysize; 2881 scp->end = 0; 2882 scp->term.esc = 0; 2883 scp->term.attr_mask = NORMAL_ATTR; 2884 scp->term.cur_attr = 2885 scp->term.cur_color = scp->term.std_color = 2886 current_default->std_color; 2887 scp->term.rev_color = current_default->rev_color; 2888 scp->border = BG_BLACK; 2889 scp->cursor_start = *(char *)pa_to_va(0x461); 2890 scp->cursor_end = *(char *)pa_to_va(0x460); 2891 scp->mouse_xpos = scp->xsize*8/2; 2892 scp->mouse_ypos = scp->ysize*scp->font_size/2; 2893 scp->mouse_cut_start = scp->mouse_cut_end = NULL; 2894 scp->mouse_signal = 0; 2895 scp->mouse_pid = 0; 2896 scp->mouse_proc = NULL; 2897 scp->bell_pitch = BELL_PITCH; 2898 scp->bell_duration = BELL_DURATION; 2899 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2900 scp->status |= CURSOR_ENABLED; 2901 scp->pid = 0; 2902 scp->proc = NULL; 2903 scp->smode.mode = VT_AUTO; 2904 scp->history_head = scp->history_pos = scp->history = NULL; 2905 scp->history_size = imax(SC_HISTORY_SIZE, scp->ysize) * scp->xsize; 2906} 2907 2908static u_char 2909*get_fstr(u_int c, u_int *len) 2910{ 2911 u_int i; 2912 2913 if (!(c & FKEY)) 2914 return(NULL); 2915 i = (c & 0xFF) - F_FN; 2916 if (i > n_fkey_tab) 2917 return(NULL); 2918 *len = fkey_tab[i].len; 2919 return(fkey_tab[i].str); 2920} 2921 2922static void 2923history_to_screen(scr_stat *scp) 2924{ 2925 int i; 2926 2927 for (i=0; i<scp->ysize; i++) 2928 bcopy(scp->history + (((scp->history_pos - scp->history) + 2929 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2930 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2931 scp->xsize * sizeof(u_short)); 2932 mark_all(scp); 2933} 2934 2935static int 2936history_up_line(scr_stat *scp) 2937{ 2938 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2939 scp->history_head) { 2940 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2941 history_to_screen(scp); 2942 return 0; 2943 } 2944 else 2945 return -1; 2946} 2947 2948static int 2949history_down_line(scr_stat *scp) 2950{ 2951 if (scp->history_pos != scp->history_head) { 2952 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2953 history_to_screen(scp); 2954 return 0; 2955 } 2956 else 2957 return -1; 2958} 2959 2960/* 2961 * scgetc(flags) - get character from keyboard. 2962 * If flags & SCGETC_CN, then avoid harmful side effects. 2963 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2964 * return NOKEY if there is nothing there. 2965 */ 2966static u_int 2967scgetc(u_int flags) 2968{ 2969 struct key_t *key; 2970 u_char scancode, keycode; 2971 u_int state, action; 2972 int c; 2973 static u_char esc_flag = 0, compose = 0; 2974 static u_int chr = 0; 2975 2976next_code: 2977 /* first see if there is something in the keyboard port */ 2978 if (flags & SCGETC_NONBLOCK) { 2979 c = read_kbd_data_no_wait(sc_kbdc); 2980 if (c == -1) 2981 return(NOKEY); 2982 } else { 2983 do { 2984 c = read_kbd_data(sc_kbdc); 2985 } while(c == -1); 2986 } 2987 scancode = (u_char)c; 2988 2989 /* do the /dev/random device a favour */ 2990 if (!(flags & SCGETC_CN)) 2991 add_keyboard_randomness(scancode); 2992 2993 if (cur_console->status & KBD_RAW_MODE) 2994 return scancode; 2995 2996 keycode = scancode & 0x7F; 2997 switch (esc_flag) { 2998 case 0x00: /* normal scancode */ 2999 switch(scancode) { 3000 case 0xB8: /* left alt (compose key) */ 3001 if (compose) { 3002 compose = 0; 3003 if (chr > 255) { 3004 do_bell(cur_console, 3005 BELL_PITCH, BELL_DURATION); 3006 chr = 0; 3007 } 3008 } 3009 break; 3010 case 0x38: 3011 if (!compose) { 3012 compose = 1; 3013 chr = 0; 3014 } 3015 break; 3016 case 0xE0: 3017 case 0xE1: 3018 esc_flag = scancode; 3019 goto next_code; 3020 } 3021 break; 3022 case 0xE0: /* 0xE0 prefix */ 3023 esc_flag = 0; 3024 switch (keycode) { 3025 case 0x1C: /* right enter key */ 3026 keycode = 0x59; 3027 break; 3028 case 0x1D: /* right ctrl key */ 3029 keycode = 0x5A; 3030 break; 3031 case 0x35: /* keypad divide key */ 3032 keycode = 0x5B; 3033 break; 3034 case 0x37: /* print scrn key */ 3035 keycode = 0x5C; 3036 break; 3037 case 0x38: /* right alt key (alt gr) */ 3038 keycode = 0x5D; 3039 break; 3040 case 0x47: /* grey home key */ 3041 keycode = 0x5E; 3042 break; 3043 case 0x48: /* grey up arrow key */ 3044 keycode = 0x5F; 3045 break; 3046 case 0x49: /* grey page up key */ 3047 keycode = 0x60; 3048 break; 3049 case 0x4B: /* grey left arrow key */ 3050 keycode = 0x61; 3051 break; 3052 case 0x4D: /* grey right arrow key */ 3053 keycode = 0x62; 3054 break; 3055 case 0x4F: /* grey end key */ 3056 keycode = 0x63; 3057 break; 3058 case 0x50: /* grey down arrow key */ 3059 keycode = 0x64; 3060 break; 3061 case 0x51: /* grey page down key */ 3062 keycode = 0x65; 3063 break; 3064 case 0x52: /* grey insert key */ 3065 keycode = 0x66; 3066 break; 3067 case 0x53: /* grey delete key */ 3068 keycode = 0x67; 3069 break; 3070 3071 /* the following 3 are only used on the MS "Natural" keyboard */ 3072 case 0x5b: /* left Window key */ 3073 keycode = 0x69; 3074 break; 3075 case 0x5c: /* right Window key */ 3076 keycode = 0x6a; 3077 break; 3078 case 0x5d: /* menu key */ 3079 keycode = 0x6b; 3080 break; 3081 default: /* ignore everything else */ 3082 goto next_code; 3083 } 3084 break; 3085 case 0xE1: /* 0xE1 prefix */ 3086 esc_flag = 0; 3087 if (keycode == 0x1D) 3088 esc_flag = 0x1D; 3089 goto next_code; 3090 /* NOT REACHED */ 3091 case 0x1D: /* pause / break */ 3092 esc_flag = 0; 3093 if (keycode != 0x45) 3094 goto next_code; 3095 keycode = 0x68; 3096 break; 3097 } 3098 3099 if (cur_console->status & KBD_CODE_MODE) 3100 return (keycode | (scancode & 0x80)); 3101 3102 /* if scroll-lock pressed allow history browsing */ 3103 if (cur_console->history && cur_console->status & SLKED) { 3104 int i; 3105 3106 cur_console->status &= ~CURSOR_ENABLED; 3107 if (!(cur_console->status & BUFFER_SAVED)) { 3108 cur_console->status |= BUFFER_SAVED; 3109 cur_console->history_save = cur_console->history_head; 3110 3111 /* copy screen into top of history buffer */ 3112 for (i=0; i<cur_console->ysize; i++) { 3113 bcopy(cur_console->scr_buf + (cur_console->xsize * i), 3114 cur_console->history_head, 3115 cur_console->xsize * sizeof(u_short)); 3116 cur_console->history_head += cur_console->xsize; 3117 if (cur_console->history_head + cur_console->xsize > 3118 cur_console->history + cur_console->history_size) 3119 cur_console->history_head=cur_console->history; 3120 } 3121 cur_console->history_pos = cur_console->history_head; 3122 history_to_screen(cur_console); 3123 } 3124 switch (scancode) { 3125 case 0x47: /* home key */ 3126 cur_console->history_pos = cur_console->history_head; 3127 history_to_screen(cur_console); 3128 goto next_code; 3129 3130 case 0x4F: /* end key */ 3131 cur_console->history_pos = 3132 WRAPHIST(cur_console, cur_console->history_head, 3133 cur_console->xsize*cur_console->ysize); 3134 history_to_screen(cur_console); 3135 goto next_code; 3136 3137 case 0x48: /* up arrow key */ 3138 if (history_up_line(cur_console)) 3139 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 3140 goto next_code; 3141 3142 case 0x50: /* down arrow key */ 3143 if (history_down_line(cur_console)) 3144 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 3145 goto next_code; 3146 3147 case 0x49: /* page up key */ 3148 for (i=0; i<cur_console->ysize; i++) 3149 if (history_up_line(cur_console)) { 3150 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 3151 break; 3152 } 3153 goto next_code; 3154 3155 case 0x51: /* page down key */ 3156 for (i=0; i<cur_console->ysize; i++) 3157 if (history_down_line(cur_console)) { 3158 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 3159 break; 3160 } 3161 goto next_code; 3162 } 3163 } 3164 3165 if (compose) { 3166 switch (scancode) { 3167 /* key pressed process it */ 3168 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 3169 chr = (scancode - 0x40) + chr*10; 3170 goto next_code; 3171 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 3172 chr = (scancode - 0x47) + chr*10; 3173 goto next_code; 3174 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 3175 chr = (scancode - 0x4E) + chr*10; 3176 goto next_code; 3177 case 0x52: /* keypad 0 */ 3178 chr *= 10; 3179 goto next_code; 3180 3181 /* key release, no interest here */ 3182 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 3183 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 3184 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 3185 case 0xD2: /* keypad 0 */ 3186 goto next_code; 3187 3188 case 0x38: /* left alt key */ 3189 break; 3190 default: 3191 if (chr) { 3192 compose = chr = 0; 3193 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 3194 goto next_code; 3195 } 3196 break; 3197 } 3198 } 3199 3200 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 3201 if ((!agrs && (cur_console->status & ALKED)) 3202 || (agrs && !(cur_console->status & ALKED))) 3203 keycode += ALTGR_OFFSET; 3204 key = &key_map.key[keycode]; 3205 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 3206 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 3207 state ^= 1; 3208 3209 /* Check for make/break */ 3210 action = key->map[state]; 3211 if (scancode & 0x80) { /* key released */ 3212 if (key->spcl & (0x80>>state)) { 3213 switch (action) { 3214 case LSH: 3215 shfts &= ~1; 3216 break; 3217 case RSH: 3218 shfts &= ~2; 3219 break; 3220 case LCTR: 3221 ctls &= ~1; 3222 break; 3223 case RCTR: 3224 ctls &= ~2; 3225 break; 3226 case LALT: 3227 alts &= ~1; 3228 break; 3229 case RALT: 3230 alts &= ~2; 3231 break; 3232 case NLK: 3233 nlkcnt = 0; 3234 break; 3235 case CLK: 3236 clkcnt = 0; 3237 break; 3238 case SLK: 3239 slkcnt = 0; 3240 break; 3241 case ASH: 3242 agrs = 0; 3243 break; 3244 case ALK: 3245 alkcnt = 0; 3246 break; 3247 case META: 3248 metas = 0; 3249 break; 3250 } 3251 } 3252 if (chr && !compose) { 3253 action = chr; 3254 chr = 0; 3255 return(action); 3256 } 3257 } else { 3258 /* key pressed */ 3259 if (key->spcl & (0x80>>state)) { 3260 switch (action) { 3261 /* LOCKING KEYS */ 3262 case NLK: 3263#ifdef SC_SPLASH_SCREEN 3264 toggle_splash_screen(cur_console); /* SOS XXX */ 3265#endif 3266 if (!nlkcnt) { 3267 nlkcnt++; 3268 if (cur_console->status & NLKED) 3269 cur_console->status &= ~NLKED; 3270 else 3271 cur_console->status |= NLKED; 3272 update_leds(cur_console->status); 3273 } 3274 break; 3275 case CLK: 3276 if (!clkcnt) { 3277 clkcnt++; 3278 if (cur_console->status & CLKED) 3279 cur_console->status &= ~CLKED; 3280 else 3281 cur_console->status |= CLKED; 3282 update_leds(cur_console->status); 3283 } 3284 break; 3285 case SLK: 3286 if (!slkcnt) { 3287 slkcnt++; 3288 if (cur_console->status & SLKED) { 3289 cur_console->status &= ~SLKED; 3290 if (cur_console->status & BUFFER_SAVED){ 3291 int i; 3292 u_short *ptr = cur_console->history_save; 3293 3294 for (i=0; i<cur_console->ysize; i++) { 3295 bcopy(ptr, 3296 cur_console->scr_buf + 3297 (cur_console->xsize*i), 3298 cur_console->xsize * sizeof(u_short)); 3299 ptr += cur_console->xsize; 3300 if (ptr + cur_console->xsize > 3301 cur_console->history + 3302 cur_console->history_size) 3303 ptr = cur_console->history; 3304 } 3305 cur_console->status &= ~BUFFER_SAVED; 3306 cur_console->history_head=cur_console->history_save; 3307 cur_console->status |= CURSOR_ENABLED; 3308 mark_all(cur_console); 3309 } 3310 scstart(VIRTUAL_TTY(get_scr_num())); 3311 } 3312 else 3313 cur_console->status |= SLKED; 3314 update_leds(cur_console->status); 3315 } 3316 break; 3317 case ALK: 3318 if (!alkcnt) { 3319 alkcnt++; 3320 if (cur_console->status & ALKED) 3321 cur_console->status &= ~ALKED; 3322 else 3323 cur_console->status |= ALKED; 3324 update_leds(cur_console->status); 3325 } 3326 break; 3327 3328 /* NON-LOCKING KEYS */ 3329 case NOP: 3330 break; 3331 case SPSC: 3332#ifdef SC_SPLASH_SCREEN 3333 toggle_splash_screen(cur_console); 3334#endif 3335 break; 3336 case RBT: 3337 shutdown_nice(); 3338 break; 3339 case SUSP: 3340#if NAPM > 0 3341 apm_suspend(); 3342#endif 3343 break; 3344 3345 case DBG: 3346#ifdef DDB /* try to switch to console 0 */ 3347 if (cur_console->smode.mode == VT_AUTO && 3348 console[0]->smode.mode == VT_AUTO) 3349 switch_scr(cur_console, 0); 3350 Debugger("manual escape to debugger"); 3351#else 3352 printf("No debugger in kernel\n"); 3353#endif 3354 break; 3355 case LSH: 3356 shfts |= 1; 3357 break; 3358 case RSH: 3359 shfts |= 2; 3360 break; 3361 case LCTR: 3362 ctls |= 1; 3363 break; 3364 case RCTR: 3365 ctls |= 2; 3366 break; 3367 case LALT: 3368 alts |= 1; 3369 break; 3370 case RALT: 3371 alts |= 2; 3372 break; 3373 case ASH: 3374 agrs = 1; 3375 break; 3376 case META: 3377 metas = 1; 3378 break; 3379 case NEXT: 3380 { 3381 int next, this = get_scr_num(); 3382 for (next = this+1; next != this; next = (next+1)%MAXCONS) { 3383 struct tty *tp = VIRTUAL_TTY(next); 3384 if (tp->t_state & TS_ISOPEN) { 3385 switch_scr(cur_console, next); 3386 break; 3387 } 3388 } 3389 } 3390 break; 3391 case BTAB: 3392 return(BKEY); 3393 default: 3394 if (action >= F_SCR && action <= L_SCR) { 3395 switch_scr(cur_console, action - F_SCR); 3396 break; 3397 } 3398 if (action >= F_FN && action <= L_FN) 3399 action |= FKEY; 3400 return(action); 3401 } 3402 } 3403 else { 3404 if (metas) 3405 action |= MKEY; 3406 return(action); 3407 } 3408 } 3409 goto next_code; 3410} 3411 3412int 3413scmmap(dev_t dev, int offset, int nprot) 3414{ 3415 if (offset > 0x20000 - PAGE_SIZE) 3416 return -1; 3417 return i386_btop((VIDEOMEM + offset)); 3418} 3419 3420/* 3421 * Calculate hardware attributes word using logical attributes mask and 3422 * hardware colors 3423 */ 3424 3425static int 3426mask2attr(struct term_stat *term) 3427{ 3428 int attr, mask = term->attr_mask; 3429 3430 if (mask & REVERSE_ATTR) { 3431 attr = ((mask & FOREGROUND_CHANGED) ? 3432 ((term->cur_color & 0xF000) >> 4) : 3433 (term->rev_color & 0x0F00)) | 3434 ((mask & BACKGROUND_CHANGED) ? 3435 ((term->cur_color & 0x0F00) << 4) : 3436 (term->rev_color & 0xF000)); 3437 } else 3438 attr = term->cur_color; 3439 3440 /* XXX: underline mapping for Hercules adapter can be better */ 3441 if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 3442 attr ^= 0x0800; 3443 if (mask & BLINK_ATTR) 3444 attr ^= 0x8000; 3445 3446 return attr; 3447} 3448 3449static void 3450set_keyboard(int command, int data) 3451{ 3452 int s; 3453 int c; 3454 3455 if (sc_kbdc == NULL) 3456 return; 3457 3458 /* prevent the timeout routine from polling the keyboard */ 3459 if (!kbdc_lock(sc_kbdc, TRUE)) 3460 return; 3461 3462 /* disable the keyboard and mouse interrupt */ 3463 s = spltty(); 3464#if 0 3465 c = get_controller_command_byte(sc_kbdc); 3466 if ((c == -1) 3467 || !set_controller_command_byte(sc_kbdc, 3468 kbdc_get_device_mask(sc_kbdc), 3469 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 3470 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 3471 /* CONTROLLER ERROR */ 3472 kbdc_lock(sc_kbdc, FALSE); 3473 splx(s); 3474 return; 3475 } 3476 /* 3477 * Now that the keyboard controller is told not to generate 3478 * the keyboard and mouse interrupts, call `splx()' to allow 3479 * the other tty interrupts. The clock interrupt may also occur, 3480 * but the timeout routine (`scrn_timer()') will be blocked 3481 * by the lock flag set via `kbdc_lock()' 3482 */ 3483 splx(s); 3484#endif 3485 3486 if (send_kbd_command_and_data(sc_kbdc, command, data) != KBD_ACK) 3487 send_kbd_command(sc_kbdc, KBDC_ENABLE_KBD); 3488 3489#if 0 3490 /* restore the interrupts */ 3491 if (!set_controller_command_byte(sc_kbdc, 3492 kbdc_get_device_mask(sc_kbdc), 3493 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 3494 /* CONTROLLER ERROR */ 3495 } 3496#else 3497 splx(s); 3498#endif 3499 kbdc_lock(sc_kbdc, FALSE); 3500} 3501 3502static void 3503update_leds(int which) 3504{ 3505 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 3506 3507 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 3508 if (key_map.n_keys > ALTGR_OFFSET) { 3509 if (which & ALKED) 3510 which |= CLKED; 3511 else 3512 which &= ~CLKED; 3513 } 3514 3515 set_keyboard(KBDC_SET_LEDS, xlate_leds[which & LED_MASK]); 3516} 3517 3518void 3519set_mode(scr_stat *scp) 3520{ 3521 char *modetable; 3522 char special_modetable[64]; 3523 3524 if (scp != cur_console) 3525 return; 3526 3527 /* setup video hardware for the given mode */ 3528 switch (scp->mode) { 3529 case M_VGA_M80x60: 3530 bcopy(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3531 goto special_80x60; 3532 3533 case M_VGA_C80x60: 3534 bcopy(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3535special_80x60: 3536 special_modetable[2] = 0x08; 3537 special_modetable[19] = 0x47; 3538 goto special_480l; 3539 3540 case M_VGA_M80x30: 3541 bcopy(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3542 goto special_80x30; 3543 3544 case M_VGA_C80x30: 3545 bcopy(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3546special_80x30: 3547 special_modetable[19] = 0x4f; 3548special_480l: 3549 special_modetable[9] |= 0xc0; 3550 special_modetable[16] = 0x08; 3551 special_modetable[17] = 0x3e; 3552 special_modetable[26] = 0xea; 3553 special_modetable[28] = 0xdf; 3554 special_modetable[31] = 0xe7; 3555 special_modetable[32] = 0x04; 3556 modetable = special_modetable; 3557 goto setup_mode; 3558 3559 case M_ENH_B80x43: 3560 bcopy(video_mode_ptr+(64*M_ENH_B80x25), &special_modetable, 64); 3561 goto special_80x43; 3562 3563 case M_ENH_C80x43: 3564 bcopy(video_mode_ptr+(64*M_ENH_C80x25), &special_modetable, 64); 3565special_80x43: 3566 special_modetable[28] = 87; 3567 goto special_80x50; 3568 3569 case M_VGA_M80x50: 3570 bcopy(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3571 goto special_80x50; 3572 3573 case M_VGA_C80x50: 3574 bcopy(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3575special_80x50: 3576 special_modetable[2] = 8; 3577 special_modetable[19] = 7; 3578 modetable = special_modetable; 3579 goto setup_mode; 3580 3581 case M_VGA_C40x25: case M_VGA_C80x25: 3582 case M_VGA_M80x25: 3583 case M_B40x25: case M_C40x25: 3584 case M_B80x25: case M_C80x25: 3585 case M_ENH_B40x25: case M_ENH_C40x25: 3586 case M_ENH_B80x25: case M_ENH_C80x25: 3587 case M_EGAMONO80x25: 3588 3589 modetable = video_mode_ptr + (scp->mode * 64); 3590setup_mode: 3591 set_vgaregs(modetable); 3592 scp->font_size = *(modetable + 2); 3593 3594 /* set font type (size) */ 3595 if (scp->font_size < 14) { 3596 if (fonts_loaded & FONT_8) 3597 copy_font(LOAD, FONT_8, font_8); 3598 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 3599 } else if (scp->font_size >= 16) { 3600 if (fonts_loaded & FONT_16) 3601 copy_font(LOAD, FONT_16, font_16); 3602 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 3603 } else { 3604 if (fonts_loaded & FONT_14) 3605 copy_font(LOAD, FONT_14, font_14); 3606 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 3607 } 3608 if (flags & CHAR_CURSOR) 3609 set_destructive_cursor(scp); 3610 mark_all(scp); 3611 break; 3612 3613 case M_VGA_MODEX: 3614 /* start out with std 320x200x256 mode */ 3615 bcopy(video_mode_ptr+(64*M_VGA_CG320), &special_modetable, 64); 3616 /* "unchain" the VGA mode */ 3617 special_modetable[5-1+0x04] &= 0xf7; 3618 special_modetable[5-1+0x04] |= 0x04; 3619 /* turn off doubleword mode */ 3620 special_modetable[10+0x14] &= 0xbf; 3621 /* turn off word adressing */ 3622 special_modetable[10+0x17] |= 0x40; 3623 /* set logical screen width */ 3624 special_modetable[10+0x13] = 80; 3625 /* set 240 lines */ 3626 special_modetable[10+0x11] = 0x2c; 3627 special_modetable[10+0x06] = 0x0d; 3628 special_modetable[10+0x07] = 0x3e; 3629 special_modetable[10+0x10] = 0xea; 3630 special_modetable[10+0x11] = 0xac; 3631 special_modetable[10+0x12] = 0xdf; 3632 special_modetable[10+0x15] = 0xe7; 3633 special_modetable[10+0x16] = 0x06; 3634 /* set vertical sync polarity to reflect aspect ratio */ 3635 special_modetable[9] = 0xe3; 3636 3637 modetable = special_modetable; 3638 goto setup_grmode; 3639 3640 case M_BG320: case M_CG320: case M_BG640: 3641 case M_CG320_D: case M_CG640_E: 3642 case M_CG640x350: case M_ENH_CG640: 3643 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 3644 modetable = video_mode_ptr + (scp->mode * 64); 3645setup_grmode: 3646 set_vgaregs(modetable); 3647 scp->font_size = FONT_NONE; 3648 break; 3649 3650 default: 3651 /* call user defined function XXX */ 3652 break; 3653 } 3654 3655 /* set border color for this (virtual) console */ 3656 set_border(scp->border); 3657 return; 3658} 3659 3660void 3661set_border(u_char color) 3662{ 3663 switch (crtc_type) { 3664 case KD_EGA: 3665 case KD_VGA: 3666 inb(crtc_addr + 6); /* reset flip-flop */ 3667 outb(ATC, 0x11); outb(ATC, color); 3668 inb(crtc_addr + 6); /* reset flip-flop */ 3669 outb(ATC, 0x20); /* enable Palette */ 3670 break; 3671 case KD_CGA: 3672 outb(crtc_addr + 5, color & 0x0f); /* color select register */ 3673 break; 3674 case KD_MONO: 3675 case KD_HERCULES: 3676 default: 3677 break; 3678 } 3679} 3680 3681static void 3682set_vgaregs(char *modetable) 3683{ 3684 int i, s = splhigh(); 3685 3686 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 3687 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 3688 for (i=0; i<4; i++) { /* program sequencer */ 3689 outb(TSIDX, i+1); 3690 outb(TSREG, modetable[i+5]); 3691 } 3692 outb(MISC, modetable[9]); /* set dot-clock */ 3693 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 3694 outb(crtc_addr, 0x11); 3695 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 3696 for (i=0; i<25; i++) { /* program crtc */ 3697 outb(crtc_addr, i); 3698 if (i == 14 || i == 15) /* no hardware cursor */ 3699 outb(crtc_addr+1, 0xff); 3700 else 3701 outb(crtc_addr+1, modetable[i+10]); 3702 } 3703 inb(crtc_addr+6); /* reset flip-flop */ 3704 for (i=0; i<20; i++) { /* program attribute ctrl */ 3705 outb(ATC, i); 3706 outb(ATC, modetable[i+35]); 3707 } 3708 for (i=0; i<9; i++) { /* program graph data ctrl */ 3709 outb(GDCIDX, i); 3710 outb(GDCREG, modetable[i+55]); 3711 } 3712 inb(crtc_addr+6); /* reset flip-flop */ 3713 outb(ATC, 0x20); /* enable palette */ 3714 splx(s); 3715} 3716 3717static void 3718read_vgaregs(char *buf) 3719{ 3720 int i, j; 3721 int s; 3722 3723 bzero(buf, 64); 3724 3725 s = splhigh(); 3726 3727 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 3728 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 3729 for (i=0, j=5; i<4; i++) { 3730 outb(TSIDX, i+1); 3731 buf[j++] = inb(TSREG); 3732 } 3733 buf[9] = inb(MISC + 10); /* dot-clock */ 3734 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 3735 3736 for (i=0, j=10; i<25; i++) { /* crtc */ 3737 outb(crtc_addr, i); 3738 buf[j++] = inb(crtc_addr+1); 3739 } 3740 for (i=0, j=35; i<20; i++) { /* attribute ctrl */ 3741 inb(crtc_addr+6); /* reset flip-flop */ 3742 outb(ATC, i); 3743 buf[j++] = inb(ATC + 1); 3744 } 3745 for (i=0, j=55; i<9; i++) { /* graph data ctrl */ 3746 outb(GDCIDX, i); 3747 buf[j++] = inb(GDCREG); 3748 } 3749 inb(crtc_addr+6); /* reset flip-flop */ 3750 outb(ATC, 0x20); /* enable palette */ 3751 3752 buf[0] = *(char *)pa_to_va(0x44a); /* COLS */ 3753 buf[1] = *(char *)pa_to_va(0x484); /* ROWS */ 3754 buf[2] = *(char *)pa_to_va(0x485); /* POINTS */ 3755 buf[3] = *(char *)pa_to_va(0x44c); 3756 buf[4] = *(char *)pa_to_va(0x44d); 3757 3758 splx(s); 3759} 3760 3761static int 3762comp_vgaregs(u_char *buf1, u_char *buf2) 3763{ 3764 int i; 3765 3766 for(i = 0; i < 20; ++i) { 3767 if (*buf1++ != *buf2++) 3768 return 1; 3769 } 3770 buf1 += 2; /* skip the cursor shape */ 3771 buf2 += 2; 3772 for(i = 22; i < 24; ++i) { 3773 if (*buf1++ != *buf2++) 3774 return 1; 3775 } 3776 buf1 += 2; /* skip the cursor position */ 3777 buf2 += 2; 3778 for(i = 26; i < 64; ++i) { 3779 if (*buf1++ != *buf2++) 3780 return 1; 3781 } 3782 return 0; 3783} 3784 3785static void 3786dump_vgaregs(u_char *buf) 3787{ 3788 int i; 3789 3790 for(i = 0; i < 64;) { 3791 printf("%02x ", buf[i]); 3792 if ((++i % 16) == 0) 3793 printf("\n"); 3794 } 3795} 3796 3797static void 3798set_font_mode() 3799{ 3800 int s = splhigh(); 3801 3802 /* setup vga for loading fonts (graphics plane mode) */ 3803 inb(crtc_addr+6); /* reset flip-flop */ 3804 outb(ATC, 0x10); outb(ATC, 0x01); 3805 inb(crtc_addr+6); /* reset flip-flop */ 3806 outb(ATC, 0x20); /* enable palette */ 3807 3808#if SLOW_VGA 3809 outb(TSIDX, 0x02); outb(TSREG, 0x04); 3810 outb(TSIDX, 0x04); outb(TSREG, 0x06); 3811 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 3812 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 3813 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 3814#else 3815 outw(TSIDX, 0x0402); 3816 outw(TSIDX, 0x0604); 3817 outw(GDCIDX, 0x0204); 3818 outw(GDCIDX, 0x0005); 3819 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 3820#endif 3821 splx(s); 3822} 3823 3824static void 3825set_normal_mode() 3826{ 3827 char *modetable; 3828 int s = splhigh(); 3829 3830 switch (cur_console->mode) { 3831 case M_VGA_M80x60: 3832 case M_VGA_M80x50: 3833 case M_VGA_M80x30: 3834 modetable = video_mode_ptr + (64*M_VGA_M80x25); 3835 break; 3836 3837 case M_VGA_C80x60: 3838 case M_VGA_C80x50: 3839 case M_VGA_C80x30: 3840 modetable = video_mode_ptr + (64*M_VGA_C80x25); 3841 break; 3842 3843 case M_ENH_B80x43: 3844 modetable = video_mode_ptr + (64*M_ENH_B80x25); 3845 break; 3846 3847 case M_ENH_C80x43: 3848 modetable = video_mode_ptr + (64*M_ENH_C80x25); 3849 break; 3850 3851 case M_VGA_C40x25: case M_VGA_C80x25: 3852 case M_VGA_M80x25: 3853 case M_B40x25: case M_C40x25: 3854 case M_B80x25: case M_C80x25: 3855 case M_ENH_B40x25: case M_ENH_C40x25: 3856 case M_ENH_B80x25: case M_ENH_C80x25: 3857 case M_EGAMONO80x25: 3858 3859 case M_BG320: case M_CG320: case M_BG640: 3860 case M_CG320_D: case M_CG640_E: 3861 case M_CG640x350: case M_ENH_CG640: 3862 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 3863 modetable = video_mode_ptr + (cur_console->mode * 64); 3864 break; 3865 3866 default: 3867 modetable = video_mode_ptr + (64*M_VGA_C80x25); 3868 } 3869 3870 if (video_mode_ptr == NULL) 3871 modetable = vgaregs; 3872 3873 /* setup vga for normal operation mode again */ 3874 inb(crtc_addr+6); /* reset flip-flop */ 3875 outb(ATC, 0x10); outb(ATC, modetable[0x10+35]); 3876 inb(crtc_addr+6); /* reset flip-flop */ 3877 outb(ATC, 0x20); /* enable palette */ 3878#if SLOW_VGA 3879 outb(TSIDX, 0x02); outb(TSREG, modetable[0x02+4]); 3880 outb(TSIDX, 0x04); outb(TSREG, modetable[0x04+4]); 3881 outb(GDCIDX, 0x04); outb(GDCREG, modetable[0x04+55]); 3882 outb(GDCIDX, 0x05); outb(GDCREG, modetable[0x05+55]); 3883 outb(GDCIDX, 0x06); outb(GDCREG, modetable[0x06+55]); 3884 if (crtc_addr == MONO_BASE) { 3885 outb(GDCIDX, 0x06); outb(GDCREG,(modetable[0x06+55] & 0x03) | 0x08); 3886 } 3887 else { 3888 outb(GDCIDX, 0x06); outb(GDCREG,(modetable[0x06+55] & 0x03) | 0x0c); 3889 } 3890#else 3891 outw(TSIDX, 0x0002 | (modetable[0x02+4]<<8)); 3892 outw(TSIDX, 0x0004 | (modetable[0x04+4]<<8)); 3893 outw(GDCIDX, 0x0004 | (modetable[0x04+55]<<8)); 3894 outw(GDCIDX, 0x0005 | (modetable[0x05+55]<<8)); 3895 if (crtc_addr == MONO_BASE) 3896 outw(GDCIDX, 0x0006 | (((modetable[0x06+55] & 0x03) | 0x08)<<8)); 3897 else 3898 outw(GDCIDX, 0x0006 | (((modetable[0x06+55] & 0x03) | 0x0c)<<8)); 3899#endif 3900 splx(s); 3901} 3902 3903void 3904copy_font(int operation, int font_type, char* font_image) 3905{ 3906 int ch, line, segment, fontsize; 3907 u_char val; 3908 3909 /* dont mess with console we dont know video mode on */ 3910 if (cur_console->status & UNKNOWN_MODE) 3911 return; 3912 3913 switch (font_type) { 3914 default: 3915 case FONT_8: 3916 segment = 0x8000; 3917 fontsize = 8; 3918 break; 3919 case FONT_14: 3920 segment = 0x4000; 3921 fontsize = 14; 3922 break; 3923 case FONT_16: 3924 segment = 0x0000; 3925 fontsize = 16; 3926 break; 3927 } 3928 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 3929 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 3930 set_font_mode(); 3931 for (ch=0; ch < 256; ch++) 3932 for (line=0; line < fontsize; line++) 3933 if (operation) 3934 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 3935 font_image[(ch*fontsize)+line]; 3936 else 3937 font_image[(ch*fontsize)+line] = 3938 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 3939 set_normal_mode(); 3940 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 3941} 3942 3943static void 3944set_destructive_cursor(scr_stat *scp) 3945{ 3946 u_char cursor[32]; 3947 caddr_t address; 3948 int i; 3949 char *font_buffer; 3950 3951 3952 if (scp->font_size < 14) { 3953 font_buffer = font_8; 3954 address = (caddr_t)VIDEOMEM + 0x8000; 3955 } 3956 else if (scp->font_size >= 16) { 3957 font_buffer = font_16; 3958 address = (caddr_t)VIDEOMEM; 3959 } 3960 else { 3961 font_buffer = font_14; 3962 address = (caddr_t)VIDEOMEM + 0x4000; 3963 } 3964 3965 if (scp->status & MOUSE_VISIBLE) { 3966 if ((scp->cursor_saveunder & 0xff) == 0xd0) 3967 bcopy(&scp->mouse_cursor[0], cursor, scp->font_size); 3968 else if ((scp->cursor_saveunder & 0xff) == 0xd1) 3969 bcopy(&scp->mouse_cursor[32], cursor, scp->font_size); 3970 else if ((scp->cursor_saveunder & 0xff) == 0xd2) 3971 bcopy(&scp->mouse_cursor[64], cursor, scp->font_size); 3972 else if ((scp->cursor_saveunder & 0xff) == 0xd3) 3973 bcopy(&scp->mouse_cursor[96], cursor, scp->font_size); 3974 else 3975 bcopy(font_buffer+((scp->cursor_saveunder & 0xff)*scp->font_size), 3976 cursor, scp->font_size); 3977 } 3978 else 3979 bcopy(font_buffer + ((scp->cursor_saveunder & 0xff) * scp->font_size), 3980 cursor, scp->font_size); 3981 for (i=0; i<32; i++) 3982 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3983 (scp->cursor_start >= scp->font_size && i == scp->font_size - 1)) 3984 cursor[i] |= 0xff; 3985#if 1 3986 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3987#endif 3988 set_font_mode(); 3989 sc_bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3990 set_normal_mode(); 3991} 3992 3993static void 3994set_mouse_pos(scr_stat *scp) 3995{ 3996 static int last_xpos = -1, last_ypos = -1; 3997 3998 if (scp->mouse_xpos < 0) 3999 scp->mouse_xpos = 0; 4000 if (scp->mouse_ypos < 0) 4001 scp->mouse_ypos = 0; 4002 if (scp->status & UNKNOWN_MODE) { 4003 if (scp->mouse_xpos > scp->xpixel-1) 4004 scp->mouse_xpos = scp->xpixel-1; 4005 if (scp->mouse_ypos > scp->ypixel-1) 4006 scp->mouse_ypos = scp->ypixel-1; 4007 return; 4008 } 4009 if (scp->mouse_xpos > (scp->xsize*8)-1) 4010 scp->mouse_xpos = (scp->xsize*8)-1; 4011 if (scp->mouse_ypos > (scp->ysize*scp->font_size)-1) 4012 scp->mouse_ypos = (scp->ysize*scp->font_size)-1; 4013 4014 if (scp->mouse_xpos != last_xpos || scp->mouse_ypos != last_ypos) { 4015 scp->status |= MOUSE_MOVED; 4016 4017 scp->mouse_pos = scp->scr_buf + 4018 ((scp->mouse_ypos/scp->font_size)*scp->xsize + scp->mouse_xpos/8); 4019 4020 if ((scp->status & MOUSE_VISIBLE) && (scp->status & MOUSE_CUTTING)) { 4021 u_short *ptr; 4022 int i = 0; 4023 4024 mark_for_update(scp, scp->mouse_cut_start - scp->scr_buf); 4025 mark_for_update(scp, scp->mouse_cut_end - scp->scr_buf); 4026 scp->mouse_cut_end = scp->mouse_pos; 4027 for (ptr = (scp->mouse_cut_start > scp->mouse_cut_end 4028 ? scp->mouse_cut_end : scp->mouse_cut_start); 4029 ptr <= (scp->mouse_cut_start > scp->mouse_cut_end 4030 ? scp->mouse_cut_start : scp->mouse_cut_end); 4031 ptr++) { 4032 cut_buffer[i++] = *ptr & 0xff; 4033 if (((ptr - scp->scr_buf) % scp->xsize) == (scp->xsize - 1)) { 4034 cut_buffer[i++] = '\n'; 4035 } 4036 } 4037 cut_buffer[i] = 0x00; 4038 } 4039 } 4040} 4041 4042static void 4043mouse_cut_start(scr_stat *scp) 4044{ 4045 int i; 4046 4047 if (scp->status & MOUSE_VISIBLE) { 4048 if (scp->mouse_pos == scp->mouse_cut_start && 4049 scp->mouse_cut_start == scp->mouse_cut_end) { 4050 cut_buffer[0] = 0x00; 4051 remove_cutmarking(scp); 4052 } 4053 else { 4054 scp->mouse_cut_start = scp->mouse_cut_end = scp->mouse_pos; 4055 cut_buffer[0] = *scp->mouse_cut_start & 0xff; 4056 cut_buffer[1] = 0x00; 4057 scp->status |= MOUSE_CUTTING; 4058 } 4059 mark_all(scp); 4060 /* delete all other screens cut markings */ 4061 for (i=0; i<MAXCONS; i++) { 4062 if (console[i] == NULL || console[i] == scp) 4063 continue; 4064 remove_cutmarking(console[i]); 4065 } 4066 } 4067} 4068 4069static void 4070mouse_cut_end(scr_stat *scp) 4071{ 4072 if (scp->status & MOUSE_VISIBLE) { 4073 scp->status &= ~MOUSE_CUTTING; 4074 } 4075} 4076 4077static void 4078mouse_paste(scr_stat *scp) 4079{ 4080 if (scp->status & MOUSE_VISIBLE) { 4081 struct tty *tp; 4082 u_char *ptr = cut_buffer; 4083 4084 tp = VIRTUAL_TTY(get_scr_num()); 4085 while (*ptr) 4086 (*linesw[tp->t_line].l_rint)(scr_rmap[*ptr++], tp); 4087 } 4088} 4089 4090static void 4091draw_mouse_image(scr_stat *scp) 4092{ 4093 caddr_t address; 4094 int i; 4095 char *font_buffer; 4096 u_short buffer[32]; 4097 u_short xoffset, yoffset; 4098 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 4099 int font_size = scp->font_size; 4100 4101 if (font_size < 14) { 4102 font_buffer = font_8; 4103 address = (caddr_t)VIDEOMEM + 0x8000; 4104 } 4105 else if (font_size >= 16) { 4106 font_buffer = font_16; 4107 address = (caddr_t)VIDEOMEM; 4108 } 4109 else { 4110 font_buffer = font_14; 4111 address = (caddr_t)VIDEOMEM + 0x4000; 4112 } 4113 xoffset = scp->mouse_xpos % 8; 4114 yoffset = scp->mouse_ypos % font_size; 4115 4116 /* prepare mousepointer char's bitmaps */ 4117 bcopy(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 4118 &scp->mouse_cursor[0], font_size); 4119 bcopy(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 4120 &scp->mouse_cursor[32], font_size); 4121 bcopy(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 4122 &scp->mouse_cursor[64], font_size); 4123 bcopy(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 4124 &scp->mouse_cursor[96], font_size); 4125 for (i=0; i<font_size; i++) { 4126 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 4127 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 4128 } 4129 4130 /* now and-or in the mousepointer image */ 4131 for (i=0; i<16; i++) { 4132 buffer[i+yoffset] = 4133 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 4134 | (mouse_or_mask[i] >> xoffset); 4135 } 4136 for (i=0; i<font_size; i++) { 4137 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 4138 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 4139 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 4140 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 4141 } 4142 4143 scp->mouse_oldpos = scp->mouse_pos; 4144 4145 /* wait for vertical retrace to avoid jitter on some videocards */ 4146#if 1 4147 while (!(inb(crtc_addr+6) & 0x08)) /* idle */ ; 4148#endif 4149 set_font_mode(); 4150 sc_bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 4151 set_normal_mode(); 4152 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 4153 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 4154 if (scp->mouse_xpos < (scp->xsize-1)*8) { 4155 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 4156 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 4157 } 4158 mark_for_update(scp, scp->mouse_pos - scp->scr_buf); 4159 mark_for_update(scp, scp->mouse_pos + scp->xsize + 1 - scp->scr_buf); 4160} 4161 4162static void 4163remove_mouse_image(scr_stat *scp) 4164{ 4165 u_short *crt_pos = Crtat + (scp->mouse_oldpos - scp->scr_buf); 4166 4167 *(crt_pos) = *(scp->mouse_oldpos); 4168 *(crt_pos+1) = *(scp->mouse_oldpos+1); 4169 *(crt_pos+scp->xsize) = *(scp->mouse_oldpos+scp->xsize); 4170 *(crt_pos+scp->xsize+1) = *(scp->mouse_oldpos+scp->xsize+1); 4171 mark_for_update(scp, scp->mouse_oldpos - scp->scr_buf); 4172 mark_for_update(scp, scp->mouse_oldpos + scp->xsize + 1 - scp->scr_buf); 4173} 4174 4175static void 4176draw_cutmarking(scr_stat *scp) 4177{ 4178 u_short *ptr; 4179 u_short och, nch; 4180 4181 for (ptr=scp->scr_buf; ptr<=(scp->scr_buf+(scp->xsize*scp->ysize)); ptr++) { 4182 nch = och = *(Crtat + (ptr - scp->scr_buf)); 4183 /* are we outside the selected area ? */ 4184 if ( ptr < (scp->mouse_cut_start > scp->mouse_cut_end ? 4185 scp->mouse_cut_end : scp->mouse_cut_start) || 4186 ptr > (scp->mouse_cut_start > scp->mouse_cut_end ? 4187 scp->mouse_cut_start : scp->mouse_cut_end)) { 4188 if (ptr != scp->cursor_pos) 4189 nch = (och & 0xff) | (*ptr & 0xff00); 4190 } 4191 else { 4192 /* are we clear of the cursor image ? */ 4193 if (ptr != scp->cursor_pos) 4194 nch = (och & 0x88ff) | (*ptr & 0x7000)>>4 | (*ptr & 0x0700)<<4; 4195 else { 4196 if (flags & CHAR_CURSOR) 4197 nch = (och & 0x88ff)|(*ptr & 0x7000)>>4|(*ptr & 0x0700)<<4; 4198 else 4199 if (!(flags & BLINK_CURSOR)) 4200 nch = (och & 0xff) | (*ptr & 0xff00); 4201 } 4202 } 4203 if (nch != och) 4204 *(Crtat + (ptr - scp->scr_buf)) = nch; 4205 } 4206} 4207 4208static void 4209remove_cutmarking(scr_stat *scp) 4210{ 4211 scp->mouse_cut_start = scp->mouse_cut_end = NULL; 4212 scp->status &= ~MOUSE_CUTTING; 4213 mark_all(scp); 4214} 4215 4216static void 4217save_palette(void) 4218{ 4219 int i; 4220 4221 outb(PALRADR, 0x00); 4222 for (i=0x00; i<0x300; i++) 4223 palette[i] = inb(PALDATA); 4224 inb(crtc_addr+6); /* reset flip/flop */ 4225} 4226 4227void 4228load_palette(char *palette) 4229{ 4230 int i; 4231 4232 outb(PIXMASK, 0xFF); /* no pixelmask */ 4233 outb(PALWADR, 0x00); 4234 for (i=0x00; i<0x300; i++) 4235 outb(PALDATA, palette[i]); 4236 inb(crtc_addr+6); /* reset flip/flop */ 4237 outb(ATC, 0x20); /* enable palette */ 4238} 4239 4240static void 4241do_bell(scr_stat *scp, int pitch, int duration) 4242{ 4243 if (flags & VISUAL_BELL) { 4244 if (blink_in_progress) 4245 return; 4246 blink_in_progress = 4; 4247 if (scp != cur_console) 4248 blink_in_progress += 2; 4249 blink_screen(cur_console); 4250 } else { 4251 if (scp != cur_console) 4252 pitch *= 2; 4253 sysbeep(pitch, duration); 4254 } 4255} 4256 4257static void 4258blink_screen(void *arg) 4259{ 4260 scr_stat *scp = arg; 4261 4262 if ((scp->status & UNKNOWN_MODE) || (blink_in_progress <= 1)) { 4263 blink_in_progress = FALSE; 4264 mark_all(scp); 4265 if (delayed_next_scr) 4266 switch_scr(scp, delayed_next_scr - 1); 4267 } 4268 else { 4269 if (blink_in_progress & 1) 4270 fillw(kernel_default.std_color | scr_map[0x20], 4271 Crtat, scp->xsize * scp->ysize); 4272 else 4273 fillw(kernel_default.rev_color | scr_map[0x20], 4274 Crtat, scp->xsize * scp->ysize); 4275 blink_in_progress--; 4276 timeout(blink_screen, scp, hz / 10); 4277 } 4278} 4279 4280#ifdef SC_SPLASH_SCREEN 4281static void 4282toggle_splash_screen(scr_stat *scp) 4283{ 4284 static int toggle = 0; 4285 static u_char save_mode; 4286 int s; 4287 4288 if (video_mode_ptr == NULL) 4289 return; 4290 4291 s = splhigh(); 4292 if (toggle) { 4293 scp->mode = save_mode; 4294 scp->status &= ~UNKNOWN_MODE; 4295 set_mode(scp); 4296 load_palette(palette); 4297 toggle = 0; 4298 } 4299 else { 4300 save_mode = scp->mode; 4301 scp->mode = M_VGA_CG320; 4302 scp->status |= UNKNOWN_MODE; 4303 set_mode(scp); 4304 /* load image */ 4305 toggle = 1; 4306 } 4307 splx(s); 4308} 4309#endif 4310#endif /* NSC */ 4311