syscons.c revision 21805
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 * $FreeBSD: head/sys/dev/syscons/syscons.c 21805 1997-01-17 15:49:13Z sos $ 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/ioctl.h> 41#include <sys/proc.h> 42#include <sys/signalvar.h> 43#include <sys/tty.h> 44#include <sys/uio.h> 45#include <sys/callout.h> 46#include <sys/kernel.h> 47#include <sys/syslog.h> 48#include <sys/errno.h> 49#include <sys/malloc.h> 50#ifdef DEVFS 51#include <sys/devfsext.h> 52#endif 53 54#include <machine/clock.h> 55#include <machine/cons.h> 56#include <machine/console.h> 57#include <machine/md_var.h> 58#include <machine/psl.h> 59#include <machine/frame.h> 60#include <machine/pc/display.h> 61#include <machine/apm_bios.h> 62#include <machine/random.h> 63 64#include <vm/vm.h> 65#include <vm/vm_param.h> 66#include <vm/pmap.h> 67 68#include <i386/isa/isa.h> 69#include <i386/isa/isa_device.h> 70#include <i386/isa/timerreg.h> 71#include <i386/isa/kbdtables.h> 72#include <i386/isa/kbdio.h> 73#include <i386/isa/syscons.h> 74 75#if !defined(MAXCONS) 76#define MAXCONS 16 77#endif 78 79#define COLD 0 80#define WARM 1 81 82/* this may break on older VGA's but is useful on real 32 bit systems */ 83#define bcopyw bcopy 84 85static default_attr user_default = { 86 (FG_LIGHTGREY | BG_BLACK) << 8, 87 (FG_BLACK | BG_LIGHTGREY) << 8 88}; 89 90static default_attr kernel_default = { 91 (FG_WHITE | BG_BLACK) << 8, 92 (FG_BLACK | BG_LIGHTGREY) << 8 93}; 94 95static scr_stat main_console; 96static scr_stat *console[MAXCONS]; 97#ifdef DEVFS 98static void *sc_devfs_token[MAXCONS]; 99#endif 100 scr_stat *cur_console; 101static scr_stat *new_scp, *old_scp; 102static term_stat kernel_console; 103static default_attr *current_default; 104static int flags = 0; 105static int sc_port = IO_KBD; 106static KBDC sc_kbdc = NULL; 107static char init_done = COLD; 108static u_short sc_buffer[ROW*COL]; 109static char switch_in_progress = FALSE; 110static char write_in_progress = FALSE; 111static char blink_in_progress = FALSE; 112static int blinkrate = 0; 113 u_int crtc_addr = MONO_BASE; 114 char crtc_vga = FALSE; 115static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 116static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 117static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 118static int delayed_next_scr = FALSE; 119static long scrn_blank_time = 0; /* screen saver timeout value */ 120 int scrn_blanked = FALSE; /* screen saver active flag */ 121static long scrn_time_stamp; 122 u_char scr_map[256]; 123 u_char scr_rmap[256]; 124 char *video_mode_ptr = NULL; 125 int fonts_loaded = 0; 126 char font_8[256*8]; 127 char font_14[256*14]; 128 char font_16[256*16]; 129 char palette[256*3]; 130static char *cut_buffer; 131static u_short mouse_and_mask[16] = { 132 0xc000, 0xe000, 0xf000, 0xf800, 133 0xfc00, 0xfe00, 0xff00, 0xff80, 134 0xfe00, 0x1e00, 0x1f00, 0x0f00, 135 0x0f00, 0x0000, 0x0000, 0x0000 136 }; 137static u_short mouse_or_mask[16] = { 138 0x0000, 0x4000, 0x6000, 0x7000, 139 0x7800, 0x7c00, 0x7e00, 0x6800, 140 0x0c00, 0x0c00, 0x0600, 0x0600, 141 0x0000, 0x0000, 0x0000, 0x0000 142 }; 143 144static void none_saver(int blank) { } 145void (*current_saver)(int blank) = none_saver; 146int (*sc_user_ioctl)(dev_t dev, int cmd, caddr_t data, 147 int flag, struct proc *p) = NULL; 148 149/* OS specific stuff */ 150#ifdef not_yet_done 151#define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 152struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 153struct MOUSE_TTY (sccons[MAXCONS+1] = ttymalloc(sccons[MAXCONS+1])) 154struct tty *sccons[MAXCONS+2]; 155#else 156#define VIRTUAL_TTY(x) &sccons[x] 157#define CONSOLE_TTY &sccons[MAXCONS] 158#define MOUSE_TTY &sccons[MAXCONS+1] 159static struct tty sccons[MAXCONS+2]; 160#endif 161#define SC_MOUSE 128 162#define SC_CONSOLE 255 163#define MONO_BUF pa_to_va(0xB0000) 164#define CGA_BUF pa_to_va(0xB8000) 165u_short *Crtat; 166static const int nsccons = MAXCONS+2; 167 168#define WRAPHIST(scp, pointer, offset)\ 169 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 170 + (offset)) % (scp->history_size))) 171 172/* prototypes */ 173static int scattach(struct isa_device *dev); 174static int scparam(struct tty *tp, struct termios *t); 175static int scprobe(struct isa_device *dev); 176static void scstart(struct tty *tp); 177static void scmousestart(struct tty *tp); 178static void scinit(void); 179static u_int scgetc(u_int flags); 180#define SCGETC_CN 1 181#define SCGETC_NONBLOCK 2 182static scr_stat *get_scr_stat(dev_t dev); 183static scr_stat *alloc_scp(void); 184static void init_scp(scr_stat *scp); 185static int get_scr_num(void); 186static void scrn_timer(void); 187static void clear_screen(scr_stat *scp); 188static int switch_scr(scr_stat *scp, u_int next_scr); 189static void exchange_scr(void); 190static inline void move_crsr(scr_stat *scp, int x, int y); 191static void scan_esc(scr_stat *scp, u_char c); 192static void draw_cursor_image(scr_stat *scp); 193static void remove_cursor_image(scr_stat *scp); 194static void ansi_put(scr_stat *scp, u_char *buf, int len); 195static u_char *get_fstr(u_int c, u_int *len); 196static void history_to_screen(scr_stat *scp); 197static int history_up_line(scr_stat *scp); 198static int history_down_line(scr_stat *scp); 199static int mask2attr(struct term_stat *term); 200static void set_keyboard(int command, int data); 201static void update_leds(int which); 202static void set_vgaregs(char *modetable); 203static void set_font_mode(void); 204static void set_normal_mode(void); 205static void set_destructive_cursor(scr_stat *scp); 206static void set_mouse_pos(scr_stat *scp); 207static void mouse_cut_start(scr_stat *scp); 208static void mouse_cut_end(scr_stat *scp); 209static void mouse_paste(scr_stat *scp); 210static void draw_mouse_image(scr_stat *scp); 211static void remove_mouse_image(scr_stat *scp); 212static void draw_cutmarking(scr_stat *scp); 213static void remove_cutmarking(scr_stat *scp); 214static void save_palette(void); 215static void do_bell(scr_stat *scp, int pitch, int duration); 216static void blink_screen(scr_stat *scp); 217#ifdef SC_SPLASH_SCREEN 218static void toggle_splash_screen(scr_stat *scp); 219#endif 220 221struct isa_driver scdriver = { 222 scprobe, scattach, "sc", 1 223}; 224 225static d_open_t scopen; 226static d_close_t scclose; 227static d_read_t scread; 228static d_write_t scwrite; 229static d_ioctl_t scioctl; 230static d_devtotty_t scdevtotty; 231static d_mmap_t scmmap; 232 233#define CDEV_MAJOR 12 234static struct cdevsw scdevsw = { 235 scopen, scclose, scread, scwrite, 236 scioctl, nullstop, noreset, scdevtotty, 237 ttselect, scmmap, nostrategy, "sc", NULL, -1 }; 238 239/* 240 * These functions need to be before calls to them so they can be inlined. 241 */ 242static inline void 243draw_cursor_image(scr_stat *scp) 244{ 245 u_short cursor_image, *ptr = Crtat + (scp->cursor_pos - scp->scr_buf); 246 247 /* do we have a destructive cursor ? */ 248 if (flags & CHAR_CURSOR) { 249 cursor_image = *scp->cursor_pos; 250 scp->cursor_saveunder = cursor_image; 251 /* modify cursor_image */ 252 if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){ 253 set_destructive_cursor(scp); 254 cursor_image &= 0xff00; 255 cursor_image |= DEAD_CHAR; 256 } 257 } 258 else { 259 cursor_image = (*(ptr) & 0x00ff) | *(scp->cursor_pos) & 0xff00; 260 scp->cursor_saveunder = cursor_image; 261 if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){ 262 if ((cursor_image & 0x7000) == 0x7000) { 263 cursor_image &= 0x8fff; 264 if(!(cursor_image & 0x0700)) 265 cursor_image |= 0x0700; 266 } else { 267 cursor_image |= 0x7000; 268 if ((cursor_image & 0x0700) == 0x0700) 269 cursor_image &= 0xf0ff; 270 } 271 } 272 } 273 *ptr = cursor_image; 274} 275 276static inline void 277remove_cursor_image(scr_stat *scp) 278{ 279 *(Crtat + (scp->cursor_oldpos - scp->scr_buf)) = scp->cursor_saveunder; 280} 281 282static inline void 283move_crsr(scr_stat *scp, int x, int y) 284{ 285 if (x < 0) 286 x = 0; 287 if (y < 0) 288 y = 0; 289 if (x >= scp->xsize) 290 x = scp->xsize-1; 291 if (y >= scp->ysize) 292 y = scp->ysize-1; 293 scp->xpos = x; 294 scp->ypos = y; 295 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 296} 297 298static int 299scprobe(struct isa_device *dev) 300{ 301 int codeset; 302 int c = -1; 303 int m; 304 305 sc_port = dev->id_iobase; 306 sc_kbdc = kbdc_open(sc_port); 307 308 if (!kbdc_lock(sc_kbdc, TRUE)) { 309 /* driver error? */ 310 printf("sc%d: unable to lock the controller.\n", dev->id_unit); 311 return ((dev->id_flags & DETECT_KBD) ? 0 : IO_KBDSIZE); 312 } 313 314 /* discard anything left after UserConfig */ 315 empty_both_buffers(sc_kbdc, 10); 316 317 /* save the current keyboard controller command byte */ 318 m = kbdc_get_device_mask(sc_kbdc) & ~KBD_KBD_CONTROL_BITS; 319 c = get_controller_command_byte(sc_kbdc); 320 if (c == -1) { 321 /* CONTROLLER ERROR */ 322 printf("sc%d: unable to get the current command byte value.\n", 323 dev->id_unit); 324 goto fail; 325 } 326 if (bootverbose) 327 printf("sc%d: the current keyboard controller command byte %04x\n", 328 dev->id_unit, c); 329#if 0 330 /* override the keyboard lock switch */ 331 c |= KBD_OVERRIDE_KBD_LOCK; 332#endif 333 334 /* 335 * enable the keyboard port, but disable the keyboard intr. 336 * the aux port (mouse port) is disabled too. 337 */ 338 if (!set_controller_command_byte(sc_kbdc, 339 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 340 KBD_ENABLE_KBD_PORT | KBD_DISABLE_KBD_INT 341 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 342 /* CONTROLLER ERROR 343 * there is very little we can do... 344 */ 345 printf("sc%d: unable to set the command byte.\n", dev->id_unit); 346 goto fail; 347 } 348 349 /* 350 * Check if we have an XT keyboard before we attempt to reset it. 351 * The procedure assumes that the keyboard and the controller have 352 * been set up properly by BIOS and have not been messed up 353 * during the boot process. 354 */ 355 codeset = -1; 356 if (dev->id_flags & XT_KEYBD) 357 /* the user says there is a XT keyboard */ 358 codeset = 1; 359#ifdef DETECT_XT_KEYBOARD 360 else if ((c & KBD_TRANSLATION) == 0) { 361 /* SET_SCANCODE_SET is not always supported; ignore error */ 362 if (send_kbd_command_and_data(sc_kbdc, KBDC_SET_SCANCODE_SET, 0) 363 == KBD_ACK) 364 codeset = read_kbd_data(sc_kbdc); 365 } 366 if (bootverbose) 367 printf("sc%d: keyboard scancode set %d\n", dev->id_unit, codeset); 368#endif /* DETECT_XT_KEYBOARD */ 369 370 /* reset keyboard hardware */ 371 if (!reset_kbd(sc_kbdc)) { 372 /* KEYBOARD ERROR 373 * Keyboard reset may fail either because the keyboard doen't exist, 374 * or because the keyboard doesn't pass the self-test, or the keyboard 375 * controller on the motherboard and the keyboard somehow fail to 376 * shake hands. It is just possible, particularly in the last case, 377 * that the keyoard controller may be left in a hung state. 378 * test_controller() and test_kbd_port() appear to bring the keyboard 379 * controller back (I don't know why and how, though.) 380 */ 381 empty_both_buffers(sc_kbdc, 10); 382 test_controller(sc_kbdc); 383 test_kbd_port(sc_kbdc); 384 /* We could disable the keyboard port and interrupt... but, 385 * the keyboard may still exist (see above). 386 */ 387 if (bootverbose) 388 printf("sc%d: failed to reset the keyboard.\n", dev->id_unit); 389 goto fail; 390 } 391 392 /* 393 * Allow us to set the XT_KEYBD flag in UserConfig so that keyboards 394 * such as those on the IBM ThinkPad laptop computers can be used 395 * with the standard console driver. 396 */ 397 if (codeset == 1) { 398 if (send_kbd_command_and_data( 399 sc_kbdc, KBDC_SET_SCANCODE_SET, codeset) == KBD_ACK) { 400 /* XT kbd doesn't need scan code translation */ 401 c &= ~KBD_TRANSLATION; 402 } else { 403 /* KEYBOARD ERROR 404 * The XT kbd isn't usable unless the proper scan code set 405 * is selected. 406 */ 407 printf("sc%d: unable to set the XT keyboard mode.\n", dev->id_unit); 408 goto fail; 409 } 410 } 411 /* enable the keyboard port and intr. */ 412 if (!set_controller_command_byte(sc_kbdc, 413 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS | KBD_OVERRIDE_KBD_LOCK, 414 (c & (KBD_AUX_CONTROL_BITS | KBD_OVERRIDE_KBD_LOCK)) 415 | KBD_ENABLE_KBD_PORT | KBD_ENABLE_KBD_INT)) { 416 /* CONTROLLER ERROR 417 * This is serious; we are left with the disabled keyboard intr. 418 */ 419 printf("sc%d: unable to enable the keyboard port and intr.\n", 420 dev->id_unit); 421 goto fail; 422 } 423 424succeed: 425 kbdc_set_device_mask(sc_kbdc, m | KBD_KBD_CONTROL_BITS), 426 kbdc_lock(sc_kbdc, FALSE); 427 return (IO_KBDSIZE); 428 429fail: 430 if (c != -1) 431 /* try to restore the command byte as before, if possible */ 432 set_controller_command_byte(sc_kbdc, 0xff, c); 433 kbdc_set_device_mask(sc_kbdc, 434 (dev->id_flags & DETECT_KBD) ? m : m | KBD_KBD_CONTROL_BITS); 435 kbdc_lock(sc_kbdc, FALSE); 436 return ((dev->id_flags & DETECT_KBD) ? 0 : IO_KBDSIZE); 437} 438 439#if NAPM > 0 440static int 441scresume(void *dummy) 442{ 443 shfts = ctls = alts = agrs = metas = 0; 444 return 0; 445} 446#endif 447 448static int 449scattach(struct isa_device *dev) 450{ 451 scr_stat *scp; 452 dev_t cdev = makedev(CDEV_MAJOR, 0); 453#ifdef DEVFS 454 int vc; 455#endif 456 457 scinit(); 458 flags = dev->id_flags; 459 460 scp = console[0]; 461 462 if (crtc_vga) { 463 cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 464 } 465 466 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 467 M_DEVBUF, M_NOWAIT); 468 469 /* copy temporary buffer to final buffer */ 470 bcopyw(sc_buffer, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 471 472 scp->cursor_pos = scp->cursor_oldpos = 473 scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 474 scp->mouse_pos = scp->mouse_oldpos = 475 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 476 scp->mouse_xpos/8); 477 478 /* initialize history buffer & pointers */ 479 scp->history_head = scp->history_pos = scp->history = 480 (u_short *)malloc(scp->history_size*sizeof(u_short), 481 M_DEVBUF, M_NOWAIT); 482 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 483 484 /* initialize cursor stuff */ 485 if (!(scp->status & UNKNOWN_MODE)) { 486 draw_cursor_image(scp); 487 if (crtc_vga && (flags & CHAR_CURSOR)) 488 set_destructive_cursor(scp); 489 } 490 491 /* get screen update going */ 492 scrn_timer(); 493 494 update_leds(scp->status); 495 496 printf("sc%d: ", dev->id_unit); 497 if (crtc_vga) 498 if (crtc_addr == MONO_BASE) 499 printf("VGA mono"); 500 else 501 printf("VGA color"); 502 else 503 if (crtc_addr == MONO_BASE) 504 printf("MDA/hercules"); 505 else 506 printf("CGA/EGA"); 507 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, flags); 508 509#if NAPM > 0 510 scp->r_hook.ah_fun = scresume; 511 scp->r_hook.ah_arg = NULL; 512 scp->r_hook.ah_name = "system keyboard"; 513 scp->r_hook.ah_order = APM_MID_ORDER; 514 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 515#endif 516 517 cdevsw_add(&cdev, &scdevsw, NULL); 518 519#ifdef DEVFS 520 for (vc = 0; vc < MAXCONS; vc++) 521 sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, DV_CHR, UID_ROOT, 522 GID_WHEEL, 0600, "ttyv%n", vc); 523#endif 524 return 0; 525} 526 527struct tty 528*scdevtotty(dev_t dev) 529{ 530 int unit = minor(dev); 531 532 if (init_done == COLD) 533 return(NULL); 534 if (unit == SC_CONSOLE) 535 return CONSOLE_TTY; 536 if (unit == SC_MOUSE) 537 return MOUSE_TTY; 538 if (unit >= MAXCONS || unit < 0) 539 return(NULL); 540 return VIRTUAL_TTY(unit); 541} 542 543int 544scopen(dev_t dev, int flag, int mode, struct proc *p) 545{ 546 struct tty *tp = scdevtotty(dev); 547 548 if (!tp) 549 return(ENXIO); 550 551 tp->t_oproc = (minor(dev) == SC_MOUSE) ? scmousestart : scstart; 552 tp->t_param = scparam; 553 tp->t_dev = dev; 554 if (!(tp->t_state & TS_ISOPEN)) { 555 ttychars(tp); 556 tp->t_iflag = TTYDEF_IFLAG; 557 tp->t_oflag = TTYDEF_OFLAG; 558 tp->t_cflag = TTYDEF_CFLAG; 559 tp->t_lflag = TTYDEF_LFLAG; 560 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 561 scparam(tp, &tp->t_termios); 562 ttsetwater(tp); 563 (*linesw[tp->t_line].l_modem)(tp, 1); 564 } 565 else 566 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 567 return(EBUSY); 568 if (minor(dev) < MAXCONS && !console[minor(dev)]) { 569 console[minor(dev)] = alloc_scp(); 570 } 571 if (minor(dev)<MAXCONS && !tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 572 tp->t_winsize.ws_col = console[minor(dev)]->xsize; 573 tp->t_winsize.ws_row = console[minor(dev)]->ysize; 574 } 575 return ((*linesw[tp->t_line].l_open)(dev, tp)); 576} 577 578int 579scclose(dev_t dev, int flag, int mode, struct proc *p) 580{ 581 struct tty *tp = scdevtotty(dev); 582 struct scr_stat *scp; 583 584 if (!tp) 585 return(ENXIO); 586 if (minor(dev) < MAXCONS) { 587 scp = get_scr_stat(tp->t_dev); 588 if (scp->status & SWITCH_WAIT_ACQ) 589 wakeup((caddr_t)&scp->smode); 590#if not_yet_done 591 if (scp == &main_console) { 592 scp->pid = 0; 593 scp->proc = NULL; 594 scp->smode.mode = VT_AUTO; 595 } 596 else { 597 free(scp->scr_buf, M_DEVBUF); 598 free(scp->history, M_DEVBUF); 599 free(scp, M_DEVBUF); 600 console[minor(dev)] = NULL; 601 } 602#else 603 scp->pid = 0; 604 scp->proc = NULL; 605 scp->smode.mode = VT_AUTO; 606#endif 607 } 608 spltty(); 609 (*linesw[tp->t_line].l_close)(tp, flag); 610 ttyclose(tp); 611 spl0(); 612 return(0); 613} 614 615int 616scread(dev_t dev, struct uio *uio, int flag) 617{ 618 struct tty *tp = scdevtotty(dev); 619 620 if (!tp) 621 return(ENXIO); 622 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 623} 624 625int 626scwrite(dev_t dev, struct uio *uio, int flag) 627{ 628 struct tty *tp = scdevtotty(dev); 629 630 if (!tp) 631 return(ENXIO); 632 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 633} 634 635void 636scintr(int unit) 637{ 638 static struct tty *cur_tty; 639 int c, len; 640 u_char *cp; 641 642 /* make screensaver happy */ 643 scrn_time_stamp = time.tv_sec; 644 if (scrn_blanked) { 645 (*current_saver)(FALSE); 646 mark_all(cur_console); 647 } 648 649 /* 650 * Loop while there is still input to get from the keyboard. 651 * I don't think this is nessesary, and it doesn't fix 652 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 653 */ 654 while ((c = scgetc(SCGETC_NONBLOCK)) != NOKEY) { 655 656 cur_tty = VIRTUAL_TTY(get_scr_num()); 657 if (!(cur_tty->t_state & TS_ISOPEN)) 658 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 659 continue; 660 661 switch (c & 0xff00) { 662 case 0x0000: /* normal key */ 663 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 664 break; 665 case FKEY: /* function key, return string */ 666 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 667 while (len-- > 0) 668 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 669 } 670 break; 671 case MKEY: /* meta is active, prepend ESC */ 672 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 673 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 674 break; 675 case BKEY: /* backtab fixed sequence (esc [ Z) */ 676 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 677 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 678 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 679 break; 680 } 681 } 682 683 if (cur_console->status & MOUSE_ENABLED) { 684 cur_console->status &= ~MOUSE_VISIBLE; 685 remove_mouse_image(cur_console); 686 } 687} 688 689static int 690scparam(struct tty *tp, struct termios *t) 691{ 692 tp->t_ispeed = t->c_ispeed; 693 tp->t_ospeed = t->c_ospeed; 694 tp->t_cflag = t->c_cflag; 695 return 0; 696} 697 698int 699scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 700{ 701 int error; 702 u_int i; 703 struct tty *tp; 704 struct trapframe *fp; 705 scr_stat *scp; 706 707 tp = scdevtotty(dev); 708 if (!tp) 709 return ENXIO; 710 scp = get_scr_stat(tp->t_dev); 711 712 /* If there is a user_ioctl function call that first */ 713 if (sc_user_ioctl) { 714 if (error = (*sc_user_ioctl)(dev, cmd, data, flag, p)) 715 return error; 716 } 717 718 switch (cmd) { /* process console hardware related ioctl's */ 719 720 case GIO_ATTR: /* get current attributes */ 721 *(int*)data = (scp->term.cur_attr >> 8) & 0xFF; 722 return 0; 723 724 case GIO_COLOR: /* is this a color console ? */ 725 if (crtc_addr == COLOR_BASE) 726 *(int*)data = 1; 727 else 728 *(int*)data = 0; 729 return 0; 730 731 case CONS_CURRENT: /* get current adapter type */ 732 if (crtc_vga) 733 *(int*)data = KD_VGA; 734 else 735 if (crtc_addr == MONO_BASE) 736 *(int*)data = KD_MONO; 737 else 738 *(int*)data = KD_CGA; 739 return 0; 740 741 case CONS_GET: /* get current video mode */ 742 *(int*)data = scp->mode; 743 return 0; 744 745 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 746 scrn_blank_time = *(int*)data; 747 return 0; 748 749 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 750 if ((*(int*)data) & 0x01) 751 flags |= BLINK_CURSOR; 752 else 753 flags &= ~BLINK_CURSOR; 754 if ((*(int*)data) & 0x02) { 755 if (!crtc_vga) 756 return ENXIO; 757 flags |= CHAR_CURSOR; 758 set_destructive_cursor(scp); 759 } else 760 flags &= ~CHAR_CURSOR; 761 return 0; 762 763 case CONS_BELLTYPE: /* set bell type sound/visual */ 764 if (*data) 765 flags |= VISUAL_BELL; 766 else 767 flags &= ~VISUAL_BELL; 768 return 0; 769 770 case CONS_HISTORY: /* set history size */ 771 if (*data) { 772 free(scp->history, M_DEVBUF); 773 scp->history_size = *(int*)data; 774 if (scp->history_size < scp->ysize) 775 scp->history = NULL; 776 else { 777 scp->history_size *= scp->xsize; 778 scp->history_head = scp->history_pos = scp->history = 779 (u_short *)malloc(scp->history_size*sizeof(u_short), 780 M_DEVBUF, M_WAITOK); 781 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 782 } 783 return 0; 784 } 785 else 786 return EINVAL; 787 788 case CONS_MOUSECTL: /* control mouse arrow */ 789 { 790 mouse_info_t *mouse = (mouse_info_t*)data; 791 792 if (!crtc_vga) 793 return ENXIO; 794 795 switch (mouse->operation) { 796 case MOUSE_MODE: 797 if (mouse->u.mode.signal > 0 && mouse->u.mode.signal < NSIG) { 798 scp->mouse_signal = mouse->u.mode.signal; 799 scp->mouse_proc = p; 800 scp->mouse_pid = p->p_pid; 801 } 802 else { 803 scp->mouse_signal = 0; 804 scp->mouse_proc = NULL; 805 scp->mouse_pid = 0; 806 } 807 break; 808 809 case MOUSE_SHOW: 810 if (!(scp->status & MOUSE_ENABLED)) { 811 scp->status |= (MOUSE_ENABLED | MOUSE_VISIBLE); 812 scp->mouse_oldpos = scp->mouse_pos; 813 mark_all(scp); 814 } 815 else 816 return EINVAL; 817 break; 818 819 case MOUSE_HIDE: 820 if (scp->status & MOUSE_ENABLED) { 821 scp->status &= ~(MOUSE_ENABLED | MOUSE_VISIBLE); 822 mark_all(scp); 823 } 824 else 825 return EINVAL; 826 break; 827 828 case MOUSE_MOVEABS: 829 scp->mouse_xpos = mouse->u.data.x; 830 scp->mouse_ypos = mouse->u.data.y; 831 set_mouse_pos(scp); 832 break; 833 834 case MOUSE_MOVEREL: 835 scp->mouse_xpos += mouse->u.data.x; 836 scp->mouse_ypos += mouse->u.data.y; 837 set_mouse_pos(scp); 838 break; 839 840 case MOUSE_GETINFO: 841 mouse->u.data.x = scp->mouse_xpos; 842 mouse->u.data.y = scp->mouse_ypos; 843 mouse->u.data.buttons = scp->mouse_buttons; 844 break; 845 846 case MOUSE_ACTION: 847 /* this should maybe only be settable from /dev/consolectl SOS */ 848 /* send out mouse event on /dev/sysmouse */ 849 if (cur_console->status & MOUSE_ENABLED) 850 cur_console->status |= MOUSE_VISIBLE; 851 if ((MOUSE_TTY)->t_state & TS_ISOPEN) { 852 u_char buf[5]; 853 int i; 854 855 buf[0] = 0x80 | ((~mouse->u.data.buttons) & 0x07); 856 buf[1] = (mouse->u.data.x & 0x1fe >> 1); 857 buf[3] = (mouse->u.data.x & 0x1ff) - buf[1]; 858 buf[2] = -(mouse->u.data.y & 0x1fe >> 1); 859 buf[4] = -(mouse->u.data.y & 0x1ff) - buf[2]; 860 for (i=0; i<5; i++) 861 (*linesw[(MOUSE_TTY)->t_line].l_rint)(buf[i],MOUSE_TTY); 862 } 863 cur_console->mouse_xpos += mouse->u.data.x; 864 cur_console->mouse_ypos += mouse->u.data.y; 865 if (cur_console->mouse_signal) { 866 cur_console->mouse_buttons = mouse->u.data.buttons; 867 /* has controlling process died? */ 868 if (cur_console->mouse_proc && 869 (cur_console->mouse_proc != pfind(cur_console->mouse_pid))){ 870 cur_console->mouse_signal = 0; 871 cur_console->mouse_proc = NULL; 872 cur_console->mouse_pid = 0; 873 } 874 else 875 psignal(cur_console->mouse_proc, cur_console->mouse_signal); 876 } 877 else { 878 /* process button presses */ 879 if (cur_console->mouse_buttons != mouse->u.data.buttons) { 880 cur_console->mouse_buttons = mouse->u.data.buttons; 881 if (!(scp->status & UNKNOWN_MODE)) { 882 if (cur_console->mouse_buttons & LEFT_BUTTON) 883 mouse_cut_start(cur_console); 884 else 885 mouse_cut_end(cur_console); 886 if (cur_console->mouse_buttons & RIGHT_BUTTON || 887 cur_console->mouse_buttons & MIDDLE_BUTTON) 888 mouse_paste(cur_console); 889 } 890 } 891 } 892 if (mouse->u.data.x != 0 || mouse->u.data.y != 0) 893 set_mouse_pos(cur_console); 894 break; 895 896 default: 897 return EINVAL; 898 } 899 /* make screensaver happy */ 900 if (scp == cur_console) { 901 scrn_time_stamp = time.tv_sec; 902 if (scrn_blanked) { 903 (*current_saver)(FALSE); 904 mark_all(scp); 905 } 906 } 907 return 0; 908 } 909 910 case CONS_GETINFO: /* get current (virtual) console info */ 911 { 912 vid_info_t *ptr = (vid_info_t*)data; 913 if (ptr->size == sizeof(struct vid_info)) { 914 ptr->m_num = get_scr_num(); 915 ptr->mv_col = scp->xpos; 916 ptr->mv_row = scp->ypos; 917 ptr->mv_csz = scp->xsize; 918 ptr->mv_rsz = scp->ysize; 919 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 920 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 921 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 922 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 923 ptr->mv_grfc.fore = 0; /* not supported */ 924 ptr->mv_grfc.back = 0; /* not supported */ 925 ptr->mv_ovscan = scp->border; 926 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 927 return 0; 928 } 929 return EINVAL; 930 } 931 932 case CONS_GETVERS: /* get version number */ 933 *(int*)data = 0x200; /* version 2.0 */ 934 return 0; 935 936 /* VGA TEXT MODES */ 937 case SW_VGA_C40x25: 938 case SW_VGA_C80x25: case SW_VGA_M80x25: 939 case SW_VGA_C80x30: case SW_VGA_M80x30: 940 case SW_VGA_C80x50: case SW_VGA_M80x50: 941 case SW_VGA_C80x60: case SW_VGA_M80x60: 942 case SW_B40x25: case SW_C40x25: 943 case SW_B80x25: case SW_C80x25: 944 case SW_ENH_B40x25: case SW_ENH_C40x25: 945 case SW_ENH_B80x25: case SW_ENH_C80x25: 946 case SW_ENH_B80x43: case SW_ENH_C80x43: 947 948 if (!crtc_vga || video_mode_ptr == NULL) 949 return ENXIO; 950 switch (cmd & 0xff) { 951 case M_VGA_C80x60: case M_VGA_M80x60: 952 if (!(fonts_loaded & FONT_8)) 953 return EINVAL; 954 scp->xsize = 80; 955 scp->ysize = 60; 956 break; 957 case M_VGA_C80x50: case M_VGA_M80x50: 958 if (!(fonts_loaded & FONT_8)) 959 return EINVAL; 960 scp->xsize = 80; 961 scp->ysize = 50; 962 break; 963 case M_ENH_B80x43: case M_ENH_C80x43: 964 if (!(fonts_loaded & FONT_8)) 965 return EINVAL; 966 scp->xsize = 80; 967 scp->ysize = 43; 968 break; 969 case M_VGA_C80x30: case M_VGA_M80x30: 970 scp->xsize = 80; 971 scp->ysize = 30; 972 break; 973 default: 974 if ((cmd & 0xff) > M_VGA_CG320) 975 return EINVAL; 976 else 977 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 978 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 979 break; 980 } 981 scp->mode = cmd & 0xff; 982 free(scp->scr_buf, M_DEVBUF); 983 scp->scr_buf = (u_short *) 984 malloc(scp->xsize*scp->ysize*sizeof(u_short), M_DEVBUF, M_WAITOK); 985 scp->cursor_pos = scp->cursor_oldpos = 986 scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 987 scp->mouse_pos = scp->mouse_oldpos = 988 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 989 scp->mouse_xpos/8); 990 free(cut_buffer, M_DEVBUF); 991 cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 992 cut_buffer[0] = 0x00; 993 if (scp == cur_console) 994 set_mode(scp); 995 scp->status &= ~UNKNOWN_MODE; 996 clear_screen(scp); 997 if (tp->t_winsize.ws_col != scp->xsize 998 || tp->t_winsize.ws_row != scp->ysize) { 999 tp->t_winsize.ws_col = scp->xsize; 1000 tp->t_winsize.ws_row = scp->ysize; 1001 pgsignal(tp->t_pgrp, SIGWINCH, 1); 1002 } 1003 return 0; 1004 1005 /* GRAPHICS MODES */ 1006 case SW_BG320: case SW_BG640: 1007 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 1008 case SW_CG640x350: case SW_ENH_CG640: 1009 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 1010 1011 if (!crtc_vga || video_mode_ptr == NULL) 1012 return ENXIO; 1013 scp->mode = cmd & 0xFF; 1014 scp->xpixel = (*(video_mode_ptr + (scp->mode*64))) * 8; 1015 scp->ypixel = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 1016 (*(video_mode_ptr + (scp->mode*64) + 2)); 1017 if (scp == cur_console) 1018 set_mode(scp); 1019 scp->status |= UNKNOWN_MODE; /* graphics mode */ 1020 /* clear_graphics();*/ 1021 1022 if (tp->t_winsize.ws_xpixel != scp->xpixel 1023 || tp->t_winsize.ws_ypixel != scp->ypixel) { 1024 tp->t_winsize.ws_xpixel = scp->xpixel; 1025 tp->t_winsize.ws_ypixel = scp->ypixel; 1026 pgsignal(tp->t_pgrp, SIGWINCH, 1); 1027 } 1028 return 0; 1029 1030 case VT_SETMODE: /* set screen switcher mode */ 1031 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1032 if (scp->smode.mode == VT_PROCESS) { 1033 scp->proc = p; 1034 scp->pid = scp->proc->p_pid; 1035 } 1036 return 0; 1037 1038 case VT_GETMODE: /* get screen switcher mode */ 1039 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1040 return 0; 1041 1042 case VT_RELDISP: /* screen switcher ioctl */ 1043 switch(*data) { 1044 case VT_FALSE: /* user refuses to release screen, abort */ 1045 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 1046 old_scp->status &= ~SWITCH_WAIT_REL; 1047 switch_in_progress = FALSE; 1048 return 0; 1049 } 1050 return EINVAL; 1051 1052 case VT_TRUE: /* user has released screen, go on */ 1053 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 1054 scp->status &= ~SWITCH_WAIT_REL; 1055 exchange_scr(); 1056 if (new_scp->smode.mode == VT_PROCESS) { 1057 new_scp->status |= SWITCH_WAIT_ACQ; 1058 psignal(new_scp->proc, new_scp->smode.acqsig); 1059 } 1060 else 1061 switch_in_progress = FALSE; 1062 return 0; 1063 } 1064 return EINVAL; 1065 1066 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1067 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 1068 scp->status &= ~SWITCH_WAIT_ACQ; 1069 switch_in_progress = FALSE; 1070 return 0; 1071 } 1072 return EINVAL; 1073 1074 default: 1075 return EINVAL; 1076 } 1077 /* NOT REACHED */ 1078 1079 case VT_OPENQRY: /* return free virtual console */ 1080 for (i = 0; i < MAXCONS; i++) { 1081 tp = VIRTUAL_TTY(i); 1082 if (!(tp->t_state & TS_ISOPEN)) { 1083 *data = i + 1; 1084 return 0; 1085 } 1086 } 1087 return EINVAL; 1088 1089 case VT_ACTIVATE: /* switch to screen *data */ 1090 return switch_scr(scp, (*data) - 1); 1091 1092 case VT_WAITACTIVE: /* wait for switch to occur */ 1093 if (*data > MAXCONS || *data < 0) 1094 return EINVAL; 1095 if (minor(dev) == (*data) - 1) 1096 return 0; 1097 if (*data == 0) { 1098 if (scp == cur_console) 1099 return 0; 1100 } 1101 else 1102 scp = console[(*data) - 1]; 1103 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 1104 "waitvt", 0)) == ERESTART) ; 1105 return error; 1106 1107 case VT_GETACTIVE: 1108 *data = get_scr_num()+1; 1109 return 0; 1110 1111 case KDENABIO: /* allow io operations */ 1112 error = suser(p->p_ucred, &p->p_acflag); 1113 if (error != 0) 1114 return error; 1115 if (securelevel > 0) 1116 return EPERM; 1117 fp = (struct trapframe *)p->p_md.md_regs; 1118 fp->tf_eflags |= PSL_IOPL; 1119 return 0; 1120 1121 case KDDISABIO: /* disallow io operations (default) */ 1122 fp = (struct trapframe *)p->p_md.md_regs; 1123 fp->tf_eflags &= ~PSL_IOPL; 1124 return 0; 1125 1126 case KDSETMODE: /* set current mode of this (virtual) console */ 1127 switch (*data) { 1128 case KD_TEXT: /* switch to TEXT (known) mode */ 1129 /* restore fonts & palette ! */ 1130 if (crtc_vga) { 1131 if (fonts_loaded & FONT_8) 1132 copy_font(LOAD, FONT_8, font_8); 1133 if (fonts_loaded & FONT_14) 1134 copy_font(LOAD, FONT_14, font_14); 1135 if (fonts_loaded & FONT_16) 1136 copy_font(LOAD, FONT_16, font_16); 1137 if (flags & CHAR_CURSOR) 1138 set_destructive_cursor(scp); 1139 load_palette(palette); 1140 } 1141 /* FALL THROUGH */ 1142 1143 case KD_TEXT1: /* switch to TEXT (known) mode */ 1144 /* no restore fonts & palette */ 1145 if (crtc_vga && video_mode_ptr) 1146 set_mode(scp); 1147 scp->status &= ~UNKNOWN_MODE; 1148 clear_screen(scp); 1149 return 0; 1150 1151 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 1152 scp->status |= UNKNOWN_MODE; 1153 return 0; 1154 default: 1155 return EINVAL; 1156 } 1157 /* NOT REACHED */ 1158 1159 case KDGETMODE: /* get current mode of this (virtual) console */ 1160 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 1161 return 0; 1162 1163 case KDSBORDER: /* set border color of this (virtual) console */ 1164 if (!crtc_vga) 1165 return ENXIO; 1166 scp->border = *data; 1167 if (scp == cur_console) 1168 set_border(scp->border); 1169 return 0; 1170 1171 case KDSKBSTATE: /* set keyboard state (locks) */ 1172 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 1173 scp->status &= ~LOCK_KEY_MASK; 1174 scp->status |= *data; 1175 if (scp == cur_console) 1176 update_leds(scp->status); 1177 return 0; 1178 } 1179 return EINVAL; 1180 1181 case KDGKBSTATE: /* get keyboard state (locks) */ 1182 *data = scp->status & LOCK_KEY_MASK; 1183 return 0; 1184 1185 case KDSETRAD: /* set keyboard repeat & delay rates */ 1186 if (*data & 0x80) 1187 return EINVAL; 1188 if (sc_kbdc != NULL) 1189 set_keyboard(KBDC_SET_TYPEMATIC, *data); 1190 return 0; 1191 1192 case KDSKBMODE: /* set keyboard mode */ 1193 switch (*data) { 1194 case K_RAW: /* switch to RAW scancode mode */ 1195 scp->status |= KBD_RAW_MODE; 1196 return 0; 1197 1198 case K_XLATE: /* switch to XLT ascii mode */ 1199 if (scp == cur_console && scp->status == KBD_RAW_MODE) 1200 shfts = ctls = alts = agrs = metas = 0; 1201 scp->status &= ~KBD_RAW_MODE; 1202 return 0; 1203 default: 1204 return EINVAL; 1205 } 1206 /* NOT REACHED */ 1207 1208 case KDGKBMODE: /* get keyboard mode */ 1209 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 1210 return 0; 1211 1212 case KDMKTONE: /* sound the bell */ 1213 if (*(int*)data) 1214 do_bell(scp, (*(int*)data)&0xffff, 1215 (((*(int*)data)>>16)&0xffff)*hz/1000); 1216 else 1217 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1218 return 0; 1219 1220 case KIOCSOUND: /* make tone (*data) hz */ 1221 if (scp == cur_console) { 1222 if (*(int*)data) { 1223 int pitch = timer_freq / *(int*)data; 1224 1225 /* set command for counter 2, 2 byte write */ 1226 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1227 return EBUSY; 1228 1229 /* set pitch */ 1230 outb(TIMER_CNTR2, pitch); 1231 outb(TIMER_CNTR2, (pitch>>8)); 1232 1233 /* enable counter 2 output to speaker */ 1234 outb(IO_PPI, inb(IO_PPI) | 3); 1235 } 1236 else { 1237 /* disable counter 2 output to speaker */ 1238 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1239 release_timer2(); 1240 } 1241 } 1242 return 0; 1243 1244 case KDGKBTYPE: /* get keyboard type */ 1245 *data = 0; /* type not known (yet) */ 1246 return 0; 1247 1248 case KDSETLED: /* set keyboard LED status */ 1249 if (*data >= 0 && *data <= LED_MASK) { 1250 scp->status &= ~LED_MASK; 1251 scp->status |= *data; 1252 if (scp == cur_console) 1253 update_leds(scp->status); 1254 return 0; 1255 } 1256 return EINVAL; 1257 1258 case KDGETLED: /* get keyboard LED status */ 1259 *data = scp->status & LED_MASK; 1260 return 0; 1261 1262 case GETFKEY: /* get functionkey string */ 1263 if (*(u_short*)data < n_fkey_tab) { 1264 fkeyarg_t *ptr = (fkeyarg_t*)data; 1265 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1266 fkey_tab[ptr->keynum].len); 1267 ptr->flen = fkey_tab[ptr->keynum].len; 1268 return 0; 1269 } 1270 else 1271 return EINVAL; 1272 1273 case SETFKEY: /* set functionkey string */ 1274 if (*(u_short*)data < n_fkey_tab) { 1275 fkeyarg_t *ptr = (fkeyarg_t*)data; 1276 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1277 min(ptr->flen, MAXFK)); 1278 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1279 return 0; 1280 } 1281 else 1282 return EINVAL; 1283 1284 case GIO_SCRNMAP: /* get output translation table */ 1285 bcopy(&scr_map, data, sizeof(scr_map)); 1286 return 0; 1287 1288 case PIO_SCRNMAP: /* set output translation table */ 1289 bcopy(data, &scr_map, sizeof(scr_map)); 1290 for (i=0; i<sizeof(scr_map); i++) 1291 scr_rmap[scr_map[i]] = i; 1292 return 0; 1293 1294 case GIO_KEYMAP: /* get keyboard translation table */ 1295 bcopy(&key_map, data, sizeof(key_map)); 1296 return 0; 1297 1298 case PIO_KEYMAP: /* set keyboard translation table */ 1299 bcopy(data, &key_map, sizeof(key_map)); 1300 return 0; 1301 1302 case PIO_FONT8x8: /* set 8x8 dot font */ 1303 if (!crtc_vga) 1304 return ENXIO; 1305 bcopy(data, font_8, 8*256); 1306 fonts_loaded |= FONT_8; 1307 copy_font(LOAD, FONT_8, font_8); 1308 if (flags & CHAR_CURSOR) 1309 set_destructive_cursor(scp); 1310 return 0; 1311 1312 case GIO_FONT8x8: /* get 8x8 dot font */ 1313 if (!crtc_vga) 1314 return ENXIO; 1315 if (fonts_loaded & FONT_8) { 1316 bcopy(font_8, data, 8*256); 1317 return 0; 1318 } 1319 else 1320 return ENXIO; 1321 1322 case PIO_FONT8x14: /* set 8x14 dot font */ 1323 if (!crtc_vga) 1324 return ENXIO; 1325 bcopy(data, font_14, 14*256); 1326 fonts_loaded |= FONT_14; 1327 copy_font(LOAD, FONT_14, font_14); 1328 if (flags & CHAR_CURSOR) 1329 set_destructive_cursor(scp); 1330 return 0; 1331 1332 case GIO_FONT8x14: /* get 8x14 dot font */ 1333 if (!crtc_vga) 1334 return ENXIO; 1335 if (fonts_loaded & FONT_14) { 1336 bcopy(font_14, data, 14*256); 1337 return 0; 1338 } 1339 else 1340 return ENXIO; 1341 1342 case PIO_FONT8x16: /* set 8x16 dot font */ 1343 if (!crtc_vga) 1344 return ENXIO; 1345 bcopy(data, font_16, 16*256); 1346 fonts_loaded |= FONT_16; 1347 copy_font(LOAD, FONT_16, font_16); 1348 if (flags & CHAR_CURSOR) 1349 set_destructive_cursor(scp); 1350 return 0; 1351 1352 case GIO_FONT8x16: /* get 8x16 dot font */ 1353 if (!crtc_vga) 1354 return ENXIO; 1355 if (fonts_loaded & FONT_16) { 1356 bcopy(font_16, data, 16*256); 1357 return 0; 1358 } 1359 else 1360 return ENXIO; 1361 default: 1362 break; 1363 } 1364 1365 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1366 if (error >= 0) 1367 return(error); 1368 error = ttioctl(tp, cmd, data, flag); 1369 if (error >= 0) 1370 return(error); 1371 return(ENOTTY); 1372} 1373 1374static void 1375scstart(struct tty *tp) 1376{ 1377 struct clist *rbp; 1378 int s, len; 1379 u_char buf[PCBURST]; 1380 scr_stat *scp = get_scr_stat(tp->t_dev); 1381 1382 if (scp->status & SLKED || blink_in_progress) 1383 return; /* XXX who repeats the call when the above flags are cleared? */ 1384 s = spltty(); 1385 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1386 tp->t_state |= TS_BUSY; 1387 rbp = &tp->t_outq; 1388 while (rbp->c_cc) { 1389 len = q_to_b(rbp, buf, PCBURST); 1390 splx(s); 1391 ansi_put(scp, buf, len); 1392 s = spltty(); 1393 } 1394 tp->t_state &= ~TS_BUSY; 1395 ttwwakeup(tp); 1396 } 1397 splx(s); 1398} 1399 1400static void 1401scmousestart(struct tty *tp) 1402{ 1403 struct clist *rbp; 1404 int s; 1405 u_char buf[PCBURST]; 1406 1407 s = spltty(); 1408 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1409 tp->t_state |= TS_BUSY; 1410 rbp = &tp->t_outq; 1411 while (rbp->c_cc) { 1412 q_to_b(rbp, buf, PCBURST); 1413 } 1414 tp->t_state &= ~TS_BUSY; 1415 ttwwakeup(tp); 1416 } 1417 splx(s); 1418} 1419 1420void 1421sccnprobe(struct consdev *cp) 1422{ 1423 struct isa_device *dvp; 1424 1425 /* 1426 * Take control if we are the highest priority enabled display device. 1427 */ 1428 dvp = find_display(); 1429 if (dvp == NULL || dvp->id_driver != &scdriver) { 1430 cp->cn_pri = CN_DEAD; 1431 return; 1432 } 1433 1434 /* initialize required fields */ 1435 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLE); 1436 cp->cn_pri = CN_INTERNAL; 1437 1438 sc_kbdc = kbdc_open(sc_port); 1439} 1440 1441void 1442sccninit(struct consdev *cp) 1443{ 1444 scinit(); 1445} 1446 1447void 1448sccnputc(dev_t dev, int c) 1449{ 1450 u_char buf[1]; 1451 int s; 1452 scr_stat *scp = console[0]; 1453 term_stat save = scp->term; 1454 1455 scp->term = kernel_console; 1456 current_default = &kernel_default; 1457 if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) 1458 remove_cursor_image(scp); 1459 buf[0] = c; 1460 ansi_put(scp, buf, 1); 1461 kernel_console = scp->term; 1462 current_default = &user_default; 1463 scp->term = save; 1464 s = splclock(); 1465 if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) { 1466 if (/* timer not running && */ (scp->start <= scp->end)) { 1467 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1468 (1 + scp->end - scp->start) * sizeof(u_short)); 1469 scp->start = scp->xsize * scp->ysize; 1470 scp->end = 0; 1471 } 1472 scp->cursor_oldpos = scp->cursor_pos; 1473 draw_cursor_image(scp); 1474 } 1475 splx(s); 1476} 1477 1478int 1479sccngetc(dev_t dev) 1480{ 1481 int s = spltty(); /* block scintr while we poll */ 1482 int c = scgetc(SCGETC_CN); 1483 splx(s); 1484 return(c); 1485} 1486 1487int 1488sccncheckc(dev_t dev) 1489{ 1490 int c, s; 1491 1492 s = spltty(); 1493 c = scgetc(SCGETC_CN | SCGETC_NONBLOCK); 1494 splx(s); 1495 return(c == NOKEY ? -1 : c); /* c == -1 can't happen */ 1496} 1497 1498static scr_stat 1499*get_scr_stat(dev_t dev) 1500{ 1501 int unit = minor(dev); 1502 1503 if (unit == SC_CONSOLE) 1504 return console[0]; 1505 if (unit >= MAXCONS || unit < 0) 1506 return(NULL); 1507 return console[unit]; 1508} 1509 1510static int 1511get_scr_num() 1512{ 1513 int i = 0; 1514 1515 while ((i < MAXCONS) && (cur_console != console[i])) 1516 i++; 1517 return i < MAXCONS ? i : 0; 1518} 1519 1520static void 1521scrn_timer() 1522{ 1523 scr_stat *scp = cur_console; 1524 int s = spltty(); 1525 1526 /* 1527 * With release 2.1 of the Xaccel server, the keyboard is left 1528 * hanging pretty often. Apparently an interrupt from the 1529 * keyboard is lost, and I don't know why (yet). 1530 * This ugly hack calls scintr if input is ready for the keyboard 1531 * and conveniently hides the problem. XXX 1532 */ 1533 /* Try removing anything stuck in the keyboard controller; whether 1534 * it's a keyboard scan code or mouse data. `scintr()' doesn't 1535 * read the mouse data directly, but `kbdio' routines will, as a 1536 * side effect. 1537 */ 1538 if (kbdc_lock(sc_kbdc, TRUE)) { 1539 /* 1540 * We have seen the lock flag is not set. Let's reset the flag early; 1541 * otherwise `update_led()' failes which may want the lock 1542 * during `scintr()'. 1543 */ 1544 kbdc_lock(sc_kbdc, FALSE); 1545 if (kbdc_data_ready(sc_kbdc)) 1546 scintr(0); 1547 } 1548 1549 /* should we just return ? */ 1550 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1551 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1552 splx(s); 1553 return; 1554 } 1555 1556 if (!scrn_blanked) { 1557 /* update screen image */ 1558 if (scp->start <= scp->end) { 1559 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1560 (1 + scp->end - scp->start) * sizeof(u_short)); 1561 } 1562 1563 /* update "pseudo" mouse pointer image */ 1564 if ((scp->status & MOUSE_VISIBLE) && crtc_vga) { 1565 /* did mouse move since last time ? */ 1566 if (scp->status & MOUSE_MOVED) { 1567 /* do we need to remove old mouse pointer image ? */ 1568 if (scp->mouse_cut_start != NULL || 1569 (scp->mouse_pos-scp->scr_buf) <= scp->start || 1570 (scp->mouse_pos+scp->xsize+1-scp->scr_buf) >= scp->end) { 1571 remove_mouse_image(scp); 1572 } 1573 scp->status &= ~MOUSE_MOVED; 1574 draw_mouse_image(scp); 1575 } 1576 else { 1577 /* mouse didn't move, has it been overwritten ? */ 1578 if ((scp->mouse_pos+scp->xsize+1-scp->scr_buf) >= scp->start && 1579 (scp->mouse_pos - scp->scr_buf) <= scp->end) { 1580 draw_mouse_image(scp); 1581 } 1582 } 1583 } 1584 1585 /* update cursor image */ 1586 if (scp->status & CURSOR_ENABLED) { 1587 /* did cursor move since last time ? */ 1588 if (scp->cursor_pos != scp->cursor_oldpos) { 1589 /* do we need to remove old cursor image ? */ 1590 if ((scp->cursor_oldpos - scp->scr_buf) < scp->start || 1591 ((scp->cursor_oldpos - scp->scr_buf) > scp->end)) { 1592 remove_cursor_image(scp); 1593 } 1594 scp->cursor_oldpos = scp->cursor_pos; 1595 draw_cursor_image(scp); 1596 } 1597 else { 1598 /* cursor didn't move, has it been overwritten ? */ 1599 if (scp->cursor_pos - scp->scr_buf >= scp->start && 1600 scp->cursor_pos - scp->scr_buf <= scp->end) { 1601 draw_cursor_image(scp); 1602 } else { 1603 /* if its a blinking cursor, we may have to update it */ 1604 if (flags & BLINK_CURSOR) 1605 draw_cursor_image(scp); 1606 } 1607 } 1608 blinkrate++; 1609 } 1610 1611 if (scp->mouse_cut_start != NULL) 1612 draw_cutmarking(scp); 1613 1614 scp->end = 0; 1615 scp->start = scp->xsize*scp->ysize; 1616 } 1617 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1618 (*current_saver)(TRUE); 1619 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1620 splx(s); 1621} 1622 1623static void 1624clear_screen(scr_stat *scp) 1625{ 1626 move_crsr(scp, 0, 0); 1627 scp->cursor_oldpos = scp->cursor_pos; 1628 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1629 scp->xsize * scp->ysize); 1630 mark_all(scp); 1631 remove_cutmarking(scp); 1632} 1633 1634static int 1635switch_scr(scr_stat *scp, u_int next_scr) 1636{ 1637 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1638 switch_in_progress = FALSE; 1639 1640 if (next_scr >= MAXCONS || switch_in_progress || 1641 (cur_console->smode.mode == VT_AUTO 1642 && cur_console->status & UNKNOWN_MODE)) { 1643 do_bell(scp, BELL_PITCH, BELL_DURATION); 1644 return EINVAL; 1645 } 1646 1647 /* is the wanted virtual console open ? */ 1648 if (next_scr) { 1649 struct tty *tp = VIRTUAL_TTY(next_scr); 1650 if (!(tp->t_state & TS_ISOPEN)) { 1651 do_bell(scp, BELL_PITCH, BELL_DURATION); 1652 return EINVAL; 1653 } 1654 } 1655 /* delay switch if actively updating screen */ 1656 if (write_in_progress || blink_in_progress) { 1657 delayed_next_scr = next_scr+1; 1658 return 0; 1659 } 1660 switch_in_progress = TRUE; 1661 old_scp = cur_console; 1662 new_scp = console[next_scr]; 1663 wakeup((caddr_t)&new_scp->smode); 1664 if (new_scp == old_scp) { 1665 switch_in_progress = FALSE; 1666 delayed_next_scr = FALSE; 1667 return 0; 1668 } 1669 1670 /* has controlling process died? */ 1671 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1672 old_scp->smode.mode = VT_AUTO; 1673 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1674 new_scp->smode.mode = VT_AUTO; 1675 1676 /* check the modes and switch appropriately */ 1677 if (old_scp->smode.mode == VT_PROCESS) { 1678 old_scp->status |= SWITCH_WAIT_REL; 1679 psignal(old_scp->proc, old_scp->smode.relsig); 1680 } 1681 else { 1682 exchange_scr(); 1683 if (new_scp->smode.mode == VT_PROCESS) { 1684 new_scp->status |= SWITCH_WAIT_ACQ; 1685 psignal(new_scp->proc, new_scp->smode.acqsig); 1686 } 1687 else 1688 switch_in_progress = FALSE; 1689 } 1690 return 0; 1691} 1692 1693static void 1694exchange_scr(void) 1695{ 1696 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1697 cur_console = new_scp; 1698 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1699 if (crtc_vga && video_mode_ptr) 1700 set_mode(new_scp); 1701 } 1702 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1703 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1704 if (flags & CHAR_CURSOR) 1705 set_destructive_cursor(new_scp); 1706 load_palette(palette); 1707 } 1708 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1709 shfts = ctls = alts = agrs = metas = 0; 1710 update_leds(new_scp->status); 1711 delayed_next_scr = FALSE; 1712 mark_all(new_scp); 1713} 1714 1715static void 1716scan_esc(scr_stat *scp, u_char c) 1717{ 1718 static u_char ansi_col[16] = 1719 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1720 int i, n; 1721 u_short *src, *dst, count; 1722 1723 if (scp->term.esc == 1) { 1724 switch (c) { 1725 1726 case '[': /* Start ESC [ sequence */ 1727 scp->term.esc = 2; 1728 scp->term.last_param = -1; 1729 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1730 scp->term.param[i] = 1; 1731 scp->term.num_param = 0; 1732 return; 1733 1734 case 'M': /* Move cursor up 1 line, scroll if at top */ 1735 if (scp->ypos > 0) 1736 move_crsr(scp, scp->xpos, scp->ypos - 1); 1737 else { 1738 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1739 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1740 fillw(scp->term.cur_color | scr_map[0x20], 1741 scp->scr_buf, scp->xsize); 1742 mark_all(scp); 1743 } 1744 break; 1745#if notyet 1746 case 'Q': 1747 scp->term.esc = 4; 1748 break; 1749#endif 1750 case 'c': /* Clear screen & home */ 1751 clear_screen(scp); 1752 break; 1753 } 1754 } 1755 else if (scp->term.esc == 2) { 1756 if (c >= '0' && c <= '9') { 1757 if (scp->term.num_param < MAX_ESC_PAR) { 1758 if (scp->term.last_param != scp->term.num_param) { 1759 scp->term.last_param = scp->term.num_param; 1760 scp->term.param[scp->term.num_param] = 0; 1761 } 1762 else 1763 scp->term.param[scp->term.num_param] *= 10; 1764 scp->term.param[scp->term.num_param] += c - '0'; 1765 return; 1766 } 1767 } 1768 scp->term.num_param = scp->term.last_param + 1; 1769 switch (c) { 1770 1771 case ';': 1772 if (scp->term.num_param < MAX_ESC_PAR) 1773 return; 1774 break; 1775 1776 case '=': 1777 scp->term.esc = 3; 1778 scp->term.last_param = -1; 1779 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1780 scp->term.param[i] = 1; 1781 scp->term.num_param = 0; 1782 return; 1783 1784 case 'A': /* up n rows */ 1785 n = scp->term.param[0]; if (n < 1) n = 1; 1786 move_crsr(scp, scp->xpos, scp->ypos - n); 1787 break; 1788 1789 case 'B': /* down n rows */ 1790 n = scp->term.param[0]; if (n < 1) n = 1; 1791 move_crsr(scp, scp->xpos, scp->ypos + n); 1792 break; 1793 1794 case 'C': /* right n columns */ 1795 n = scp->term.param[0]; if (n < 1) n = 1; 1796 move_crsr(scp, scp->xpos + n, scp->ypos); 1797 break; 1798 1799 case 'D': /* left n columns */ 1800 n = scp->term.param[0]; if (n < 1) n = 1; 1801 move_crsr(scp, scp->xpos - n, scp->ypos); 1802 break; 1803 1804 case 'E': /* cursor to start of line n lines down */ 1805 n = scp->term.param[0]; if (n < 1) n = 1; 1806 move_crsr(scp, 0, scp->ypos + n); 1807 break; 1808 1809 case 'F': /* cursor to start of line n lines up */ 1810 n = scp->term.param[0]; if (n < 1) n = 1; 1811 move_crsr(scp, 0, scp->ypos - n); 1812 break; 1813 1814 case 'f': /* Cursor move */ 1815 case 'H': 1816 if (scp->term.num_param == 0) 1817 move_crsr(scp, 0, 0); 1818 else if (scp->term.num_param == 2) 1819 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1820 break; 1821 1822 case 'J': /* Clear all or part of display */ 1823 if (scp->term.num_param == 0) 1824 n = 0; 1825 else 1826 n = scp->term.param[0]; 1827 switch (n) { 1828 case 0: /* clear form cursor to end of display */ 1829 fillw(scp->term.cur_color | scr_map[0x20], 1830 scp->cursor_pos, 1831 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1832 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1833 mark_for_update(scp, scp->xsize * scp->ysize); 1834 break; 1835 case 1: /* clear from beginning of display to cursor */ 1836 fillw(scp->term.cur_color | scr_map[0x20], 1837 scp->scr_buf, 1838 scp->cursor_pos - scp->scr_buf); 1839 mark_for_update(scp, 0); 1840 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1841 break; 1842 case 2: /* clear entire display */ 1843 clear_screen(scp); 1844 break; 1845 } 1846 break; 1847 1848 case 'K': /* Clear all or part of line */ 1849 if (scp->term.num_param == 0) 1850 n = 0; 1851 else 1852 n = scp->term.param[0]; 1853 switch (n) { 1854 case 0: /* clear form cursor to end of line */ 1855 fillw(scp->term.cur_color | scr_map[0x20], 1856 scp->cursor_pos, 1857 scp->xsize - scp->xpos); 1858 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1859 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1860 scp->xsize - scp->xpos); 1861 break; 1862 case 1: /* clear from beginning of line to cursor */ 1863 fillw(scp->term.cur_color | scr_map[0x20], 1864 scp->cursor_pos - scp->xpos, 1865 scp->xpos + 1); 1866 mark_for_update(scp, scp->ypos * scp->xsize); 1867 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1868 break; 1869 case 2: /* clear entire line */ 1870 fillw(scp->term.cur_color | scr_map[0x20], 1871 scp->cursor_pos - scp->xpos, 1872 scp->xsize); 1873 mark_for_update(scp, scp->ypos * scp->xsize); 1874 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1875 break; 1876 } 1877 break; 1878 1879 case 'L': /* Insert n lines */ 1880 n = scp->term.param[0]; if (n < 1) n = 1; 1881 if (n > scp->ysize - scp->ypos) 1882 n = scp->ysize - scp->ypos; 1883 src = scp->scr_buf + scp->ypos * scp->xsize; 1884 dst = src + n * scp->xsize; 1885 count = scp->ysize - (scp->ypos + n); 1886 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1887 fillw(scp->term.cur_color | scr_map[0x20], src, 1888 n * scp->xsize); 1889 mark_for_update(scp, scp->ypos * scp->xsize); 1890 mark_for_update(scp, scp->xsize * scp->ysize); 1891 break; 1892 1893 case 'M': /* Delete n lines */ 1894 n = scp->term.param[0]; if (n < 1) n = 1; 1895 if (n > scp->ysize - scp->ypos) 1896 n = scp->ysize - scp->ypos; 1897 dst = scp->scr_buf + scp->ypos * scp->xsize; 1898 src = dst + n * scp->xsize; 1899 count = scp->ysize - (scp->ypos + n); 1900 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1901 src = dst + count * scp->xsize; 1902 fillw(scp->term.cur_color | scr_map[0x20], src, 1903 n * scp->xsize); 1904 mark_for_update(scp, scp->ypos * scp->xsize); 1905 mark_for_update(scp, scp->xsize * scp->ysize); 1906 break; 1907 1908 case 'P': /* Delete n chars */ 1909 n = scp->term.param[0]; if (n < 1) n = 1; 1910 if (n > scp->xsize - scp->xpos) 1911 n = scp->xsize - scp->xpos; 1912 dst = scp->cursor_pos; 1913 src = dst + n; 1914 count = scp->xsize - (scp->xpos + n); 1915 bcopyw(src, dst, count * sizeof(u_short)); 1916 src = dst + count; 1917 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1918 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1919 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1920 break; 1921 1922 case '@': /* Insert n chars */ 1923 n = scp->term.param[0]; if (n < 1) n = 1; 1924 if (n > scp->xsize - scp->xpos) 1925 n = scp->xsize - scp->xpos; 1926 src = scp->cursor_pos; 1927 dst = src + n; 1928 count = scp->xsize - (scp->xpos + n); 1929 bcopyw(src, dst, count * sizeof(u_short)); 1930 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1931 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1932 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1933 break; 1934 1935 case 'S': /* scroll up n lines */ 1936 n = scp->term.param[0]; if (n < 1) n = 1; 1937 if (n > scp->ysize) 1938 n = scp->ysize; 1939 bcopyw(scp->scr_buf + (scp->xsize * n), 1940 scp->scr_buf, 1941 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1942 fillw(scp->term.cur_color | scr_map[0x20], 1943 scp->scr_buf + scp->xsize * (scp->ysize - n), 1944 scp->xsize * n); 1945 mark_all(scp); 1946 break; 1947 1948 case 'T': /* scroll down n lines */ 1949 n = scp->term.param[0]; if (n < 1) n = 1; 1950 if (n > scp->ysize) 1951 n = scp->ysize; 1952 bcopyw(scp->scr_buf, 1953 scp->scr_buf + (scp->xsize * n), 1954 scp->xsize * (scp->ysize - n) * 1955 sizeof(u_short)); 1956 fillw(scp->term.cur_color | scr_map[0x20], 1957 scp->scr_buf, scp->xsize * n); 1958 mark_all(scp); 1959 break; 1960 1961 case 'X': /* erase n characters in line */ 1962 n = scp->term.param[0]; if (n < 1) n = 1; 1963 if (n > scp->xsize - scp->xpos) 1964 n = scp->xsize - scp->xpos; 1965 fillw(scp->term.cur_color | scr_map[0x20], 1966 scp->cursor_pos, n); 1967 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1968 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1969 break; 1970 1971 case 'Z': /* move n tabs backwards */ 1972 n = scp->term.param[0]; if (n < 1) n = 1; 1973 if ((i = scp->xpos & 0xf8) == scp->xpos) 1974 i -= 8*n; 1975 else 1976 i -= 8*(n-1); 1977 if (i < 0) 1978 i = 0; 1979 move_crsr(scp, i, scp->ypos); 1980 break; 1981 1982 case '`': /* move cursor to column n */ 1983 n = scp->term.param[0]; if (n < 1) n = 1; 1984 move_crsr(scp, n - 1, scp->ypos); 1985 break; 1986 1987 case 'a': /* move cursor n columns to the right */ 1988 n = scp->term.param[0]; if (n < 1) n = 1; 1989 move_crsr(scp, scp->xpos + n, scp->ypos); 1990 break; 1991 1992 case 'd': /* move cursor to row n */ 1993 n = scp->term.param[0]; if (n < 1) n = 1; 1994 move_crsr(scp, scp->xpos, n - 1); 1995 break; 1996 1997 case 'e': /* move cursor n rows down */ 1998 n = scp->term.param[0]; if (n < 1) n = 1; 1999 move_crsr(scp, scp->xpos, scp->ypos + n); 2000 break; 2001 2002 case 'm': /* change attribute */ 2003 if (scp->term.num_param == 0) { 2004 scp->term.attr_mask = NORMAL_ATTR; 2005 scp->term.cur_attr = 2006 scp->term.cur_color = scp->term.std_color; 2007 break; 2008 } 2009 for (i = 0; i < scp->term.num_param; i++) { 2010 switch (n = scp->term.param[i]) { 2011 case 0: /* back to normal */ 2012 scp->term.attr_mask = NORMAL_ATTR; 2013 scp->term.cur_attr = 2014 scp->term.cur_color = scp->term.std_color; 2015 break; 2016 case 1: /* bold */ 2017 scp->term.attr_mask |= BOLD_ATTR; 2018 scp->term.cur_attr = mask2attr(&scp->term); 2019 break; 2020 case 4: /* underline */ 2021 scp->term.attr_mask |= UNDERLINE_ATTR; 2022 scp->term.cur_attr = mask2attr(&scp->term); 2023 break; 2024 case 5: /* blink */ 2025 scp->term.attr_mask |= BLINK_ATTR; 2026 scp->term.cur_attr = mask2attr(&scp->term); 2027 break; 2028 case 7: /* reverse video */ 2029 scp->term.attr_mask |= REVERSE_ATTR; 2030 scp->term.cur_attr = mask2attr(&scp->term); 2031 break; 2032 case 30: case 31: /* set fg color */ 2033 case 32: case 33: case 34: 2034 case 35: case 36: case 37: 2035 scp->term.attr_mask |= FOREGROUND_CHANGED; 2036 scp->term.cur_color = 2037 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 2038 scp->term.cur_attr = mask2attr(&scp->term); 2039 break; 2040 case 40: case 41: /* set bg color */ 2041 case 42: case 43: case 44: 2042 case 45: case 46: case 47: 2043 scp->term.attr_mask |= BACKGROUND_CHANGED; 2044 scp->term.cur_color = 2045 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 2046 scp->term.cur_attr = mask2attr(&scp->term); 2047 break; 2048 } 2049 } 2050 break; 2051 2052 case 'x': 2053 if (scp->term.num_param == 0) 2054 n = 0; 2055 else 2056 n = scp->term.param[0]; 2057 switch (n) { 2058 case 0: /* reset attributes */ 2059 scp->term.attr_mask = NORMAL_ATTR; 2060 scp->term.cur_attr = 2061 scp->term.cur_color = scp->term.std_color = 2062 current_default->std_color; 2063 scp->term.rev_color = current_default->rev_color; 2064 break; 2065 case 1: /* set ansi background */ 2066 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 2067 scp->term.cur_color = scp->term.std_color = 2068 (scp->term.std_color & 0x0F00) | 2069 (ansi_col[(scp->term.param[1])&0x0F]<<12); 2070 scp->term.cur_attr = mask2attr(&scp->term); 2071 break; 2072 case 2: /* set ansi foreground */ 2073 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 2074 scp->term.cur_color = scp->term.std_color = 2075 (scp->term.std_color & 0xF000) | 2076 (ansi_col[(scp->term.param[1])&0x0F]<<8); 2077 scp->term.cur_attr = mask2attr(&scp->term); 2078 break; 2079 case 3: /* set ansi attribute directly */ 2080 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 2081 scp->term.cur_color = scp->term.std_color = 2082 (scp->term.param[1]&0xFF)<<8; 2083 scp->term.cur_attr = mask2attr(&scp->term); 2084 break; 2085 case 5: /* set ansi reverse video background */ 2086 scp->term.rev_color = 2087 (scp->term.rev_color & 0x0F00) | 2088 (ansi_col[(scp->term.param[1])&0x0F]<<12); 2089 scp->term.cur_attr = mask2attr(&scp->term); 2090 break; 2091 case 6: /* set ansi reverse video foreground */ 2092 scp->term.rev_color = 2093 (scp->term.rev_color & 0xF000) | 2094 (ansi_col[(scp->term.param[1])&0x0F]<<8); 2095 scp->term.cur_attr = mask2attr(&scp->term); 2096 break; 2097 case 7: /* set ansi reverse video directly */ 2098 scp->term.rev_color = 2099 (scp->term.param[1]&0xFF)<<8; 2100 scp->term.cur_attr = mask2attr(&scp->term); 2101 break; 2102 } 2103 break; 2104 2105 case 'z': /* switch to (virtual) console n */ 2106 if (scp->term.num_param == 1) 2107 switch_scr(scp, scp->term.param[0]); 2108 break; 2109 } 2110 } 2111 else if (scp->term.esc == 3) { 2112 if (c >= '0' && c <= '9') { 2113 if (scp->term.num_param < MAX_ESC_PAR) { 2114 if (scp->term.last_param != scp->term.num_param) { 2115 scp->term.last_param = scp->term.num_param; 2116 scp->term.param[scp->term.num_param] = 0; 2117 } 2118 else 2119 scp->term.param[scp->term.num_param] *= 10; 2120 scp->term.param[scp->term.num_param] += c - '0'; 2121 return; 2122 } 2123 } 2124 scp->term.num_param = scp->term.last_param + 1; 2125 switch (c) { 2126 2127 case ';': 2128 if (scp->term.num_param < MAX_ESC_PAR) 2129 return; 2130 break; 2131 2132 case 'A': /* set display border color */ 2133 if (scp->term.num_param == 1) 2134 scp->border=scp->term.param[0] & 0xff; 2135 if (scp == cur_console) 2136 set_border(scp->border); 2137 break; 2138 2139 case 'B': /* set bell pitch and duration */ 2140 if (scp->term.num_param == 2) { 2141 scp->bell_pitch = scp->term.param[0]; 2142 scp->bell_duration = scp->term.param[1]*10; 2143 } 2144 break; 2145 2146 case 'C': /* set cursor type & shape */ 2147 if (scp->term.num_param == 1) { 2148 if (scp->term.param[0] & 0x01) 2149 flags |= BLINK_CURSOR; 2150 else 2151 flags &= ~BLINK_CURSOR; 2152 if (scp->term.param[0] & 0x02) { 2153 flags |= CHAR_CURSOR; 2154 set_destructive_cursor(scp); 2155 } else 2156 flags &= ~CHAR_CURSOR; 2157 } 2158 else if (scp->term.num_param == 2) { 2159 scp->cursor_start = scp->term.param[0] & 0x1F; 2160 scp->cursor_end = scp->term.param[1] & 0x1F; 2161 if (flags & CHAR_CURSOR) 2162 set_destructive_cursor(scp); 2163 } 2164 break; 2165 2166 case 'F': /* set ansi foreground */ 2167 if (scp->term.num_param == 1) { 2168 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 2169 scp->term.cur_color = scp->term.std_color = 2170 (scp->term.std_color & 0xF000) 2171 | ((scp->term.param[0] & 0x0F) << 8); 2172 scp->term.cur_attr = mask2attr(&scp->term); 2173 } 2174 break; 2175 2176 case 'G': /* set ansi background */ 2177 if (scp->term.num_param == 1) { 2178 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 2179 scp->term.cur_color = scp->term.std_color = 2180 (scp->term.std_color & 0x0F00) 2181 | ((scp->term.param[0] & 0x0F) << 12); 2182 scp->term.cur_attr = mask2attr(&scp->term); 2183 } 2184 break; 2185 2186 case 'H': /* set ansi reverse video foreground */ 2187 if (scp->term.num_param == 1) { 2188 scp->term.rev_color = 2189 (scp->term.rev_color & 0xF000) 2190 | ((scp->term.param[0] & 0x0F) << 8); 2191 scp->term.cur_attr = mask2attr(&scp->term); 2192 } 2193 break; 2194 2195 case 'I': /* set ansi reverse video background */ 2196 if (scp->term.num_param == 1) { 2197 scp->term.rev_color = 2198 (scp->term.rev_color & 0x0F00) 2199 | ((scp->term.param[0] & 0x0F) << 12); 2200 scp->term.cur_attr = mask2attr(&scp->term); 2201 } 2202 break; 2203 } 2204 } 2205 scp->term.esc = 0; 2206} 2207 2208static void 2209ansi_put(scr_stat *scp, u_char *buf, int len) 2210{ 2211 u_char *ptr = buf; 2212 2213 /* make screensaver happy */ 2214 if (scp == cur_console) { 2215 scrn_time_stamp = time.tv_sec; 2216 if (scrn_blanked) { 2217 (*current_saver)(FALSE); 2218 mark_all(scp); 2219 } 2220 } 2221 write_in_progress++; 2222outloop: 2223 if (scp->term.esc) { 2224 scan_esc(scp, *ptr++); 2225 len--; 2226 } 2227 else if (PRINTABLE(*ptr)) { /* Print only printables */ 2228 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 2229 u_short cur_attr = scp->term.cur_attr; 2230 u_short *cursor_pos = scp->cursor_pos; 2231 do { 2232 /* 2233 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 2234 * pointers in the following to volatile should have no effect, 2235 * but in fact speeds up this inner loop from 26 to 18 cycles 2236 * (+ cache misses) on i486's. 2237 */ 2238#define UCVP(ucp) ((u_char volatile *)(ucp)) 2239 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 2240 ptr++; 2241 cnt--; 2242 } while (cnt && PRINTABLE(*ptr)); 2243 len -= (cursor_pos - scp->cursor_pos); 2244 scp->xpos += (cursor_pos - scp->cursor_pos); 2245 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2246 mark_for_update(scp, cursor_pos - scp->scr_buf); 2247 scp->cursor_pos = cursor_pos; 2248 if (scp->xpos >= scp->xsize) { 2249 scp->xpos = 0; 2250 scp->ypos++; 2251 } 2252 } 2253 else { 2254 switch(*ptr) { 2255 case 0x07: 2256 do_bell(scp, scp->bell_pitch, scp->bell_duration); 2257 break; 2258 2259 case 0x08: /* non-destructive backspace */ 2260 if (scp->cursor_pos > scp->scr_buf) { 2261 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2262 scp->cursor_pos--; 2263 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2264 if (scp->xpos > 0) 2265 scp->xpos--; 2266 else { 2267 scp->xpos += scp->xsize - 1; 2268 scp->ypos--; 2269 } 2270 } 2271 break; 2272 2273 case 0x09: /* non-destructive tab */ 2274 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2275 scp->cursor_pos += (8 - scp->xpos % 8u); 2276 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2277 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 2278 scp->xpos = 0; 2279 scp->ypos++; 2280 } 2281 break; 2282 2283 case 0x0a: /* newline, same pos */ 2284 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2285 scp->cursor_pos += scp->xsize; 2286 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2287 scp->ypos++; 2288 break; 2289 2290 case 0x0c: /* form feed, clears screen */ 2291 clear_screen(scp); 2292 break; 2293 2294 case 0x0d: /* return, return to pos 0 */ 2295 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2296 scp->cursor_pos -= scp->xpos; 2297 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2298 scp->xpos = 0; 2299 break; 2300 2301 case 0x1b: /* start escape sequence */ 2302 scp->term.esc = 1; 2303 scp->term.num_param = 0; 2304 break; 2305 } 2306 ptr++; len--; 2307 } 2308 /* do we have to scroll ?? */ 2309 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2310 remove_cutmarking(scp); 2311 if (scp->history) { 2312 bcopyw(scp->scr_buf, scp->history_head, 2313 scp->xsize * sizeof(u_short)); 2314 scp->history_head += scp->xsize; 2315 if (scp->history_head + scp->xsize > 2316 scp->history + scp->history_size) 2317 scp->history_head = scp->history; 2318 } 2319 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 2320 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2321 fillw(scp->term.cur_color | scr_map[0x20], 2322 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2323 scp->xsize); 2324 scp->cursor_pos -= scp->xsize; 2325 scp->ypos--; 2326 mark_all(scp); 2327 } 2328 if (len) 2329 goto outloop; 2330 write_in_progress--; 2331 if (delayed_next_scr) 2332 switch_scr(scp, delayed_next_scr - 1); 2333} 2334 2335static void 2336scinit(void) 2337{ 2338 u_short volatile *cp; 2339 u_short was; 2340 u_int hw_cursor; 2341 u_int i; 2342 2343 if (init_done != COLD) 2344 return; 2345 init_done = WARM; 2346 /* 2347 * Finish defaulting crtc variables for a mono screen. Crtat is a 2348 * bogus common variable so that it can be shared with pcvt, so it 2349 * can't be statically initialized. XXX. 2350 */ 2351 Crtat = (u_short *)MONO_BUF; 2352 /* 2353 * If CGA memory seems to work, switch to color. 2354 */ 2355 cp = (u_short *)CGA_BUF; 2356 was = *cp; 2357 *cp = (u_short) 0xA55A; 2358 if (*cp == 0xA55A) { 2359 Crtat = (u_short *)CGA_BUF; 2360 crtc_addr = COLOR_BASE; 2361 } 2362 *cp = was; 2363 2364 /* 2365 * Ensure a zero start address. This is mainly to recover after 2366 * switching from pcvt using userconfig(). The registers are w/o 2367 * for old hardware so it's too hard to relocate the active screen 2368 * memory. 2369 */ 2370 outb(crtc_addr, 12); 2371 outb(crtc_addr + 1, 0); 2372 outb(crtc_addr, 13); 2373 outb(crtc_addr + 1, 0); 2374 2375 /* extract cursor location */ 2376 outb(crtc_addr, 14); 2377 hw_cursor = inb(crtc_addr + 1) << 8; 2378 outb(crtc_addr, 15); 2379 hw_cursor |= inb(crtc_addr + 1); 2380 2381 /* 2382 * Validate cursor location. It may be off the screen. Then we must 2383 * not use it for the initial buffer offset. 2384 */ 2385 if (hw_cursor >= ROW * COL) 2386 hw_cursor = (ROW - 1) * COL; 2387 2388 /* move hardware cursor out of the way */ 2389 outb(crtc_addr, 14); 2390 outb(crtc_addr + 1, 0xff); 2391 outb(crtc_addr, 15); 2392 outb(crtc_addr + 1, 0xff); 2393 2394 /* is this a VGA or higher ? */ 2395 outb(crtc_addr, 7); 2396 if (inb(crtc_addr) == 7) { 2397 u_long pa; 2398 u_long segoff; 2399 2400 crtc_vga = TRUE; 2401 2402 /* Get the BIOS video mode pointer */ 2403 segoff = *(u_long *)pa_to_va(0x4a8); 2404 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2405 if (ISMAPPED(pa, sizeof(u_long))) { 2406 segoff = *(u_long *)pa_to_va(pa); 2407 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2408 if (ISMAPPED(pa, 64)) 2409 video_mode_ptr = (char *)pa_to_va(pa); 2410 } 2411 } 2412 current_default = &user_default; 2413 console[0] = &main_console; 2414 init_scp(console[0]); 2415 cur_console = console[0]; 2416 2417 /* copy screen to temporary buffer */ 2418 bcopyw(Crtat, sc_buffer, 2419 console[0]->xsize * console[0]->ysize * sizeof(u_short)); 2420 2421 /* Save font and palette if VGA */ 2422 if (crtc_vga) { 2423 copy_font(SAVE, FONT_16, font_16); 2424 fonts_loaded = FONT_16; 2425 save_palette(); 2426 } 2427 2428 console[0]->scr_buf = console[0]->mouse_pos = sc_buffer; 2429 console[0]->cursor_pos = console[0]->cursor_oldpos = sc_buffer + hw_cursor; 2430 console[0]->xpos = hw_cursor % COL; 2431 console[0]->ypos = hw_cursor / COL; 2432 for (i=1; i<MAXCONS; i++) 2433 console[i] = NULL; 2434 kernel_console.esc = 0; 2435 kernel_console.attr_mask = NORMAL_ATTR; 2436 kernel_console.cur_attr = 2437 kernel_console.cur_color = kernel_console.std_color = 2438 kernel_default.std_color; 2439 kernel_console.rev_color = kernel_default.rev_color; 2440 2441 /* initialize mapscrn arrays to a one to one map */ 2442 for (i=0; i<sizeof(scr_map); i++) { 2443 scr_map[i] = scr_rmap[i] = i; 2444 } 2445 2446#ifdef SC_SPLASH_SCREEN 2447 /* 2448 * Now put up a graphics image, and maybe cycle a 2449 * couble of palette entries for simple animation. 2450 */ 2451 toggle_splash_screen(cur_console); 2452#endif 2453} 2454 2455static scr_stat 2456*alloc_scp() 2457{ 2458 scr_stat *scp; 2459 2460 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2461 init_scp(scp); 2462 scp->scr_buf = scp->cursor_pos = scp->cursor_oldpos = 2463 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2464 M_DEVBUF, M_WAITOK); 2465 scp->mouse_pos = scp->mouse_oldpos = 2466 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 2467 scp->mouse_xpos/8); 2468 scp->history_head = scp->history_pos = scp->history = 2469 (u_short *)malloc(scp->history_size*sizeof(u_short), 2470 M_DEVBUF, M_WAITOK); 2471 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2472/* SOS 2473 if (crtc_vga && video_mode_ptr) 2474 set_mode(scp); 2475*/ 2476 clear_screen(scp); 2477 return scp; 2478} 2479 2480static void 2481init_scp(scr_stat *scp) 2482{ 2483 if (crtc_vga) 2484 if (crtc_addr == MONO_BASE) 2485 scp->mode = M_VGA_M80x25; 2486 else 2487 scp->mode = M_VGA_C80x25; 2488 else 2489 if (crtc_addr == MONO_BASE) 2490 scp->mode = M_B80x25; 2491 else 2492 scp->mode = M_C80x25; 2493 2494 scp->font_size = FONT_16; 2495 scp->xsize = COL; 2496 scp->ysize = ROW; 2497 scp->start = scp->xsize * scp->ysize; 2498 scp->end = 0; 2499 scp->term.esc = 0; 2500 scp->term.attr_mask = NORMAL_ATTR; 2501 scp->term.cur_attr = 2502 scp->term.cur_color = scp->term.std_color = 2503 current_default->std_color; 2504 scp->term.rev_color = current_default->rev_color; 2505 scp->border = BG_BLACK; 2506 scp->cursor_start = *(char *)pa_to_va(0x461); 2507 scp->cursor_end = *(char *)pa_to_va(0x460); 2508 scp->mouse_xpos = scp->xsize*8/2; 2509 scp->mouse_ypos = scp->ysize*scp->font_size/2; 2510 scp->mouse_cut_start = scp->mouse_cut_end = NULL; 2511 scp->mouse_signal = 0; 2512 scp->mouse_pid = 0; 2513 scp->mouse_proc = NULL; 2514 scp->bell_pitch = BELL_PITCH; 2515 scp->bell_duration = BELL_DURATION; 2516 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2517 scp->status |= CURSOR_ENABLED; 2518 scp->pid = 0; 2519 scp->proc = NULL; 2520 scp->smode.mode = VT_AUTO; 2521 scp->history_head = scp->history_pos = scp->history = NULL; 2522 scp->history_size = HISTORY_SIZE; 2523} 2524 2525static u_char 2526*get_fstr(u_int c, u_int *len) 2527{ 2528 u_int i; 2529 2530 if (!(c & FKEY)) 2531 return(NULL); 2532 i = (c & 0xFF) - F_FN; 2533 if (i > n_fkey_tab) 2534 return(NULL); 2535 *len = fkey_tab[i].len; 2536 return(fkey_tab[i].str); 2537} 2538 2539static void 2540history_to_screen(scr_stat *scp) 2541{ 2542 int i; 2543 2544 for (i=0; i<scp->ysize; i++) 2545 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2546 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2547 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2548 scp->xsize * sizeof(u_short)); 2549 mark_all(scp); 2550} 2551 2552static int 2553history_up_line(scr_stat *scp) 2554{ 2555 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2556 scp->history_head) { 2557 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2558 history_to_screen(scp); 2559 return 0; 2560 } 2561 else 2562 return -1; 2563} 2564 2565static int 2566history_down_line(scr_stat *scp) 2567{ 2568 if (scp->history_pos != scp->history_head) { 2569 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2570 history_to_screen(scp); 2571 return 0; 2572 } 2573 else 2574 return -1; 2575} 2576 2577/* 2578 * scgetc(flags) - get character from keyboard. 2579 * If flags & SCGETC_CN, then avoid harmful side effects. 2580 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2581 * return NOKEY if there is nothing there. 2582 */ 2583static u_int 2584scgetc(u_int flags) 2585{ 2586 struct key_t *key; 2587 u_char scancode, keycode; 2588 u_int state, action; 2589 int c; 2590 static u_char esc_flag = 0, compose = 0; 2591 static u_int chr = 0; 2592 2593next_code: 2594 /* first see if there is something in the keyboard port */ 2595 if (flags & SCGETC_NONBLOCK) { 2596 c = read_kbd_data_no_wait(sc_kbdc); 2597 if (c == -1) 2598 return(NOKEY); 2599 } else { 2600 do { 2601 c = read_kbd_data(sc_kbdc); 2602 } while(c == -1); 2603 } 2604 scancode = (u_char)c; 2605 2606 /* do the /dev/random device a favour */ 2607 if (!(flags & SCGETC_CN)) 2608 add_keyboard_randomness(scancode); 2609 2610 if (cur_console->status & KBD_RAW_MODE) 2611 return scancode; 2612 2613 keycode = scancode & 0x7F; 2614 switch (esc_flag) { 2615 case 0x00: /* normal scancode */ 2616 switch(scancode) { 2617 case 0xB8: /* left alt (compose key) */ 2618 if (compose) { 2619 compose = 0; 2620 if (chr > 255) { 2621 do_bell(cur_console, 2622 BELL_PITCH, BELL_DURATION); 2623 chr = 0; 2624 } 2625 } 2626 break; 2627 case 0x38: 2628 if (!compose) { 2629 compose = 1; 2630 chr = 0; 2631 } 2632 break; 2633 case 0xE0: 2634 case 0xE1: 2635 esc_flag = scancode; 2636 goto next_code; 2637 } 2638 break; 2639 case 0xE0: /* 0xE0 prefix */ 2640 esc_flag = 0; 2641 switch (keycode) { 2642 case 0x1C: /* right enter key */ 2643 keycode = 0x59; 2644 break; 2645 case 0x1D: /* right ctrl key */ 2646 keycode = 0x5A; 2647 break; 2648 case 0x35: /* keypad divide key */ 2649 keycode = 0x5B; 2650 break; 2651 case 0x37: /* print scrn key */ 2652 keycode = 0x5C; 2653 break; 2654 case 0x38: /* right alt key (alt gr) */ 2655 keycode = 0x5D; 2656 break; 2657 case 0x47: /* grey home key */ 2658 keycode = 0x5E; 2659 break; 2660 case 0x48: /* grey up arrow key */ 2661 keycode = 0x5F; 2662 break; 2663 case 0x49: /* grey page up key */ 2664 keycode = 0x60; 2665 break; 2666 case 0x4B: /* grey left arrow key */ 2667 keycode = 0x61; 2668 break; 2669 case 0x4D: /* grey right arrow key */ 2670 keycode = 0x62; 2671 break; 2672 case 0x4F: /* grey end key */ 2673 keycode = 0x63; 2674 break; 2675 case 0x50: /* grey down arrow key */ 2676 keycode = 0x64; 2677 break; 2678 case 0x51: /* grey page down key */ 2679 keycode = 0x65; 2680 break; 2681 case 0x52: /* grey insert key */ 2682 keycode = 0x66; 2683 break; 2684 case 0x53: /* grey delete key */ 2685 keycode = 0x67; 2686 break; 2687 2688 /* the following 3 are only used on the MS "Natural" keyboard */ 2689 case 0x5b: /* left Window key */ 2690 keycode = 0x69; 2691 break; 2692 case 0x5c: /* right Window key */ 2693 keycode = 0x6a; 2694 break; 2695 case 0x5d: /* menu key */ 2696 keycode = 0x6b; 2697 break; 2698 default: /* ignore everything else */ 2699 goto next_code; 2700 } 2701 break; 2702 case 0xE1: /* 0xE1 prefix */ 2703 esc_flag = 0; 2704 if (keycode == 0x1D) 2705 esc_flag = 0x1D; 2706 goto next_code; 2707 /* NOT REACHED */ 2708 case 0x1D: /* pause / break */ 2709 esc_flag = 0; 2710 if (keycode != 0x45) 2711 goto next_code; 2712 keycode = 0x68; 2713 break; 2714 } 2715 2716 /* if scroll-lock pressed allow history browsing */ 2717 if (cur_console->history && cur_console->status & SLKED) { 2718 int i; 2719 2720 cur_console->status &= ~CURSOR_ENABLED; 2721 if (!(cur_console->status & BUFFER_SAVED)) { 2722 cur_console->status |= BUFFER_SAVED; 2723 cur_console->history_save = cur_console->history_head; 2724 2725 /* copy screen into top of history buffer */ 2726 for (i=0; i<cur_console->ysize; i++) { 2727 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2728 cur_console->history_head, 2729 cur_console->xsize * sizeof(u_short)); 2730 cur_console->history_head += cur_console->xsize; 2731 if (cur_console->history_head + cur_console->xsize > 2732 cur_console->history + cur_console->history_size) 2733 cur_console->history_head=cur_console->history; 2734 } 2735 cur_console->history_pos = cur_console->history_head; 2736 history_to_screen(cur_console); 2737 } 2738 switch (scancode) { 2739 case 0x47: /* home key */ 2740 cur_console->history_pos = cur_console->history_head; 2741 history_to_screen(cur_console); 2742 goto next_code; 2743 2744 case 0x4F: /* end key */ 2745 cur_console->history_pos = 2746 WRAPHIST(cur_console, cur_console->history_head, 2747 cur_console->xsize*cur_console->ysize); 2748 history_to_screen(cur_console); 2749 goto next_code; 2750 2751 case 0x48: /* up arrow key */ 2752 if (history_up_line(cur_console)) 2753 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2754 goto next_code; 2755 2756 case 0x50: /* down arrow key */ 2757 if (history_down_line(cur_console)) 2758 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2759 goto next_code; 2760 2761 case 0x49: /* page up key */ 2762 for (i=0; i<cur_console->ysize; i++) 2763 if (history_up_line(cur_console)) { 2764 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2765 break; 2766 } 2767 goto next_code; 2768 2769 case 0x51: /* page down key */ 2770 for (i=0; i<cur_console->ysize; i++) 2771 if (history_down_line(cur_console)) { 2772 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2773 break; 2774 } 2775 goto next_code; 2776 } 2777 } 2778 2779 if (compose) { 2780 switch (scancode) { 2781 /* key pressed process it */ 2782 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2783 chr = (scancode - 0x40) + chr*10; 2784 goto next_code; 2785 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2786 chr = (scancode - 0x47) + chr*10; 2787 goto next_code; 2788 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2789 chr = (scancode - 0x4E) + chr*10; 2790 goto next_code; 2791 case 0x52: /* keypad 0 */ 2792 chr *= 10; 2793 goto next_code; 2794 2795 /* key release, no interest here */ 2796 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2797 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2798 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2799 case 0xD2: /* keypad 0 */ 2800 goto next_code; 2801 2802 case 0x38: /* left alt key */ 2803 break; 2804 default: 2805 if (chr) { 2806 compose = chr = 0; 2807 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2808 goto next_code; 2809 } 2810 break; 2811 } 2812 } 2813 2814 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2815 if ((!agrs && (cur_console->status & ALKED)) 2816 || (agrs && !(cur_console->status & ALKED))) 2817 keycode += ALTGR_OFFSET; 2818 key = &key_map.key[keycode]; 2819 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2820 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2821 state ^= 1; 2822 2823 /* Check for make/break */ 2824 action = key->map[state]; 2825 if (scancode & 0x80) { /* key released */ 2826 if (key->spcl & 0x80) { 2827 switch (action) { 2828 case LSH: 2829 shfts &= ~1; 2830 break; 2831 case RSH: 2832 shfts &= ~2; 2833 break; 2834 case LCTR: 2835 ctls &= ~1; 2836 break; 2837 case RCTR: 2838 ctls &= ~2; 2839 break; 2840 case LALT: 2841 alts &= ~1; 2842 break; 2843 case RALT: 2844 alts &= ~2; 2845 break; 2846 case NLK: 2847 nlkcnt = 0; 2848 break; 2849 case CLK: 2850 clkcnt = 0; 2851 break; 2852 case SLK: 2853 slkcnt = 0; 2854 break; 2855 case ASH: 2856 agrs = 0; 2857 break; 2858 case ALK: 2859 alkcnt = 0; 2860 break; 2861 case META: 2862 metas = 0; 2863 break; 2864 } 2865 } 2866 if (chr && !compose) { 2867 action = chr; 2868 chr = 0; 2869 return(action); 2870 } 2871 } else { 2872 /* key pressed */ 2873 if (key->spcl & (0x80>>state)) { 2874 switch (action) { 2875 /* LOCKING KEYS */ 2876 case NLK: 2877#ifdef SC_SPLASH_SCREEN 2878 toggle_splash_screen(cur_console); /* SOS XXX */ 2879#endif 2880 if (!nlkcnt) { 2881 nlkcnt++; 2882 if (cur_console->status & NLKED) 2883 cur_console->status &= ~NLKED; 2884 else 2885 cur_console->status |= NLKED; 2886 update_leds(cur_console->status); 2887 } 2888 break; 2889 case CLK: 2890 if (!clkcnt) { 2891 clkcnt++; 2892 if (cur_console->status & CLKED) 2893 cur_console->status &= ~CLKED; 2894 else 2895 cur_console->status |= CLKED; 2896 update_leds(cur_console->status); 2897 } 2898 break; 2899 case SLK: 2900 if (!slkcnt) { 2901 slkcnt++; 2902 if (cur_console->status & SLKED) { 2903 cur_console->status &= ~SLKED; 2904 if (cur_console->status & BUFFER_SAVED){ 2905 int i; 2906 u_short *ptr = cur_console->history_save; 2907 2908 for (i=0; i<cur_console->ysize; i++) { 2909 bcopyw(ptr, 2910 cur_console->scr_buf + 2911 (cur_console->xsize*i), 2912 cur_console->xsize * sizeof(u_short)); 2913 ptr += cur_console->xsize; 2914 if (ptr + cur_console->xsize > 2915 cur_console->history + 2916 cur_console->history_size) 2917 ptr = cur_console->history; 2918 } 2919 cur_console->status &= ~BUFFER_SAVED; 2920 cur_console->history_head=cur_console->history_save; 2921 cur_console->status |= CURSOR_ENABLED; 2922 mark_all(cur_console); 2923 } 2924 scstart(VIRTUAL_TTY(get_scr_num())); 2925 } 2926 else 2927 cur_console->status |= SLKED; 2928 update_leds(cur_console->status); 2929 } 2930 break; 2931 case ALK: 2932 if (!alkcnt) { 2933 alkcnt++; 2934 if (cur_console->status & ALKED) 2935 cur_console->status &= ~ALKED; 2936 else 2937 cur_console->status |= ALKED; 2938 update_leds(cur_console->status); 2939 } 2940 break; 2941 2942 /* NON-LOCKING KEYS */ 2943 case NOP: 2944 break; 2945 case SPSC: 2946#ifdef SC_SPLASH_SCREEN 2947 toggle_splash_screen(cur_console); 2948#endif 2949 break; 2950 case RBT: 2951 shutdown_nice(); 2952 break; 2953 case SUSP: 2954#if NAPM > 0 2955 apm_suspend(); 2956#endif 2957 break; 2958 2959 case DBG: 2960#ifdef DDB /* try to switch to console 0 */ 2961 if (cur_console->smode.mode == VT_AUTO && 2962 console[0]->smode.mode == VT_AUTO) 2963 switch_scr(cur_console, 0); 2964 Debugger("manual escape to debugger"); 2965#else 2966 printf("No debugger in kernel\n"); 2967#endif 2968 break; 2969 case LSH: 2970 shfts |= 1; 2971 break; 2972 case RSH: 2973 shfts |= 2; 2974 break; 2975 case LCTR: 2976 ctls |= 1; 2977 break; 2978 case RCTR: 2979 ctls |= 2; 2980 break; 2981 case LALT: 2982 alts |= 1; 2983 break; 2984 case RALT: 2985 alts |= 2; 2986 break; 2987 case ASH: 2988 agrs = 1; 2989 break; 2990 case META: 2991 metas = 1; 2992 break; 2993 case NEXT: 2994 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2995 break; 2996 case BTAB: 2997 return(BKEY); 2998 default: 2999 if (action >= F_SCR && action <= L_SCR) { 3000 switch_scr(cur_console, action - F_SCR); 3001 break; 3002 } 3003 if (action >= F_FN && action <= L_FN) 3004 action |= FKEY; 3005 return(action); 3006 } 3007 } 3008 else { 3009 if (metas) 3010 action |= MKEY; 3011 return(action); 3012 } 3013 } 3014 goto next_code; 3015} 3016 3017int 3018scmmap(dev_t dev, int offset, int nprot) 3019{ 3020 if (offset > 0x20000 - PAGE_SIZE) 3021 return -1; 3022 return i386_btop((VIDEOMEM + offset)); 3023} 3024 3025/* 3026 * Calculate hardware attributes word using logical attributes mask and 3027 * hardware colors 3028 */ 3029 3030static int 3031mask2attr(struct term_stat *term) 3032{ 3033 int attr, mask = term->attr_mask; 3034 3035 if (mask & REVERSE_ATTR) { 3036 attr = ((mask & FOREGROUND_CHANGED) ? 3037 ((term->cur_color & 0xF000) >> 4) : 3038 (term->rev_color & 0x0F00)) | 3039 ((mask & BACKGROUND_CHANGED) ? 3040 ((term->cur_color & 0x0F00) << 4) : 3041 (term->rev_color & 0xF000)); 3042 } else 3043 attr = term->cur_color; 3044 3045 /* XXX: underline mapping for Hercules adapter can be better */ 3046 if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 3047 attr ^= 0x0800; 3048 if (mask & BLINK_ATTR) 3049 attr ^= 0x8000; 3050 3051 return attr; 3052} 3053 3054static void 3055set_keyboard(int command, int data) 3056{ 3057 int s; 3058 int c; 3059 3060 if (sc_kbdc == NULL) 3061 return; 3062 3063 /* prevent the timeout routine from polling the keyboard */ 3064 if (!kbdc_lock(sc_kbdc, TRUE)) 3065 return; 3066 3067 /* disable the keyboard and mouse interrupt */ 3068 s = spltty(); 3069 c = get_controller_command_byte(sc_kbdc); 3070 if ((c == -1) 3071 || !set_controller_command_byte(sc_kbdc, 3072 kbdc_get_device_mask(sc_kbdc), 3073 KBD_ENABLE_KBD_PORT | KBD_DISABLE_KBD_INT 3074 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 3075 /* CONTROLLER ERROR */ 3076 kbdc_lock(sc_kbdc, FALSE); 3077 splx(s); 3078 return; 3079 } 3080 /* 3081 * Now that the keyboard controller is told not to generate 3082 * the keyboard and mouse interrupts, call `splx()' to allow 3083 * the other tty interrupts. The clock interrupt may also occur, 3084 * but the timeout routine (`scrn_timer()') will be blocked 3085 * by the lock flag set via `kbdc_lock()' 3086 */ 3087 splx(s); 3088 3089 send_kbd_command_and_data(sc_kbdc, command, data); 3090 3091 /* restore the interrupts */ 3092 if (!set_controller_command_byte(sc_kbdc, 3093 kbdc_get_device_mask(sc_kbdc), 3094 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 3095 /* CONTROLLER ERROR */ 3096 } 3097 kbdc_lock(sc_kbdc, FALSE); 3098} 3099 3100static void 3101update_leds(int which) 3102{ 3103 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 3104 3105 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 3106 if (key_map.n_keys > ALTGR_OFFSET) { 3107 if (which & ALKED) 3108 which |= CLKED; 3109 else 3110 which &= ~CLKED; 3111 } 3112 3113 set_keyboard(KBDC_SET_LEDS, xlate_leds[which & LED_MASK]); 3114} 3115 3116void 3117set_mode(scr_stat *scp) 3118{ 3119 char *modetable; 3120 char special_modetable[64]; 3121 3122 if (scp != cur_console) 3123 return; 3124 3125 /* setup video hardware for the given mode */ 3126 switch (scp->mode) { 3127 case M_VGA_M80x60: 3128 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3129 goto special_80x60; 3130 3131 case M_VGA_C80x60: 3132 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3133special_80x60: 3134 special_modetable[2] = 0x08; 3135 special_modetable[19] = 0x47; 3136 goto special_480l; 3137 3138 case M_VGA_M80x30: 3139 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3140 goto special_80x30; 3141 3142 case M_VGA_C80x30: 3143 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3144special_80x30: 3145 special_modetable[19] = 0x4f; 3146special_480l: 3147 special_modetable[9] |= 0xc0; 3148 special_modetable[16] = 0x08; 3149 special_modetable[17] = 0x3e; 3150 special_modetable[26] = 0xea; 3151 special_modetable[28] = 0xdf; 3152 special_modetable[31] = 0xe7; 3153 special_modetable[32] = 0x04; 3154 modetable = special_modetable; 3155 goto setup_mode; 3156 3157 case M_ENH_B80x43: 3158 bcopyw(video_mode_ptr+(64*M_ENH_B80x25), &special_modetable, 64); 3159 goto special_80x43; 3160 3161 case M_ENH_C80x43: 3162 bcopyw(video_mode_ptr+(64*M_ENH_C80x25), &special_modetable, 64); 3163special_80x43: 3164 special_modetable[28] = 87; 3165 goto special_80x50; 3166 3167 case M_VGA_M80x50: 3168 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3169 goto special_80x50; 3170 3171 case M_VGA_C80x50: 3172 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3173special_80x50: 3174 special_modetable[2] = 8; 3175 special_modetable[19] = 7; 3176 modetable = special_modetable; 3177 goto setup_mode; 3178 3179 case M_VGA_C40x25: case M_VGA_C80x25: 3180 case M_VGA_M80x25: 3181 case M_B40x25: case M_C40x25: 3182 case M_B80x25: case M_C80x25: 3183 case M_ENH_B40x25: case M_ENH_C40x25: 3184 case M_ENH_B80x25: case M_ENH_C80x25: 3185 3186 modetable = video_mode_ptr + (scp->mode * 64); 3187setup_mode: 3188 set_vgaregs(modetable); 3189 scp->font_size = *(modetable + 2); 3190 3191 /* set font type (size) */ 3192 if (scp->font_size < FONT_14) { 3193 if (fonts_loaded & FONT_8) 3194 copy_font(LOAD, FONT_8, font_8); 3195 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 3196 } else if (scp->font_size >= FONT_16) { 3197 if (fonts_loaded & FONT_16) 3198 copy_font(LOAD, FONT_16, font_16); 3199 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 3200 } else { 3201 if (fonts_loaded & FONT_14) 3202 copy_font(LOAD, FONT_14, font_14); 3203 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 3204 } 3205 if (flags & CHAR_CURSOR) 3206 set_destructive_cursor(scp); 3207 mark_all(scp); 3208 break; 3209 3210 case M_BG320: case M_CG320: case M_BG640: 3211 case M_CG320_D: case M_CG640_E: 3212 case M_CG640x350: case M_ENH_CG640: 3213 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 3214 3215 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 3216 scp->font_size = FONT_NONE; 3217 break; 3218 3219 default: 3220 /* call user defined function XXX */ 3221 break; 3222 } 3223 3224 /* set border color for this (virtual) console */ 3225 set_border(scp->border); 3226 return; 3227} 3228 3229void 3230set_border(u_char color) 3231{ 3232 inb(crtc_addr+6); /* reset flip-flop */ 3233 outb(ATC, 0x11); outb(ATC, color); 3234 inb(crtc_addr+6); /* reset flip-flop */ 3235 outb(ATC, 0x20); /* enable Palette */ 3236} 3237 3238static void 3239set_vgaregs(char *modetable) 3240{ 3241 int i, s = splhigh(); 3242 3243 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 3244 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 3245 for (i=0; i<4; i++) { /* program sequencer */ 3246 outb(TSIDX, i+1); 3247 outb(TSREG, modetable[i+5]); 3248 } 3249 outb(MISC, modetable[9]); /* set dot-clock */ 3250 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 3251 outb(crtc_addr, 0x11); 3252 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 3253 for (i=0; i<25; i++) { /* program crtc */ 3254 outb(crtc_addr, i); 3255 if (i == 14 || i == 15) /* no hardware cursor */ 3256 outb(crtc_addr+1, 0xff); 3257 else 3258 outb(crtc_addr+1, modetable[i+10]); 3259 } 3260 inb(crtc_addr+6); /* reset flip-flop */ 3261 for (i=0; i<20; i++) { /* program attribute ctrl */ 3262 outb(ATC, i); 3263 outb(ATC, modetable[i+35]); 3264 } 3265 for (i=0; i<9; i++) { /* program graph data ctrl */ 3266 outb(GDCIDX, i); 3267 outb(GDCREG, modetable[i+55]); 3268 } 3269 inb(crtc_addr+6); /* reset flip-flop */ 3270 outb(ATC, 0x20); /* enable palette */ 3271 splx(s); 3272} 3273 3274static void 3275set_font_mode() 3276{ 3277 int s = splhigh(); 3278 3279 /* setup vga for loading fonts (graphics plane mode) */ 3280 inb(crtc_addr+6); /* reset flip-flop */ 3281 outb(ATC, 0x10); outb(ATC, 0x01); 3282 inb(crtc_addr+6); /* reset flip-flop */ 3283 outb(ATC, 0x20); /* enable palette */ 3284 3285#if SLOW_VGA 3286 outb(TSIDX, 0x02); outb(TSREG, 0x04); 3287 outb(TSIDX, 0x04); outb(TSREG, 0x06); 3288 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 3289 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 3290 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 3291#else 3292 outw(TSIDX, 0x0402); 3293 outw(TSIDX, 0x0604); 3294 outw(GDCIDX, 0x0204); 3295 outw(GDCIDX, 0x0005); 3296 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 3297#endif 3298 splx(s); 3299} 3300 3301static void 3302set_normal_mode() 3303{ 3304 char *modetable; 3305 int s = splhigh(); 3306 3307 switch (cur_console->mode) { 3308 case M_VGA_M80x60: 3309 case M_VGA_M80x50: 3310 case M_VGA_M80x30: 3311 modetable = video_mode_ptr + (64*M_VGA_M80x25); 3312 break; 3313 3314 case M_VGA_C80x60: 3315 case M_VGA_C80x50: 3316 case M_VGA_C80x30: 3317 modetable = video_mode_ptr + (64*M_VGA_C80x25); 3318 break; 3319 3320 case M_ENH_B80x43: 3321 modetable = video_mode_ptr + (64*M_ENH_B80x25); 3322 break; 3323 3324 case M_ENH_C80x43: 3325 modetable = video_mode_ptr + (64*M_ENH_C80x25); 3326 break; 3327 3328 case M_VGA_C40x25: case M_VGA_C80x25: 3329 case M_VGA_M80x25: 3330 case M_B40x25: case M_C40x25: 3331 case M_B80x25: case M_C80x25: 3332 case M_ENH_B40x25: case M_ENH_C40x25: 3333 case M_ENH_B80x25: case M_ENH_C80x25: 3334 3335 case M_BG320: case M_CG320: case M_BG640: 3336 case M_CG320_D: case M_CG640_E: 3337 case M_CG640x350: case M_ENH_CG640: 3338 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 3339 modetable = video_mode_ptr + (cur_console->mode * 64); 3340 3341 default: 3342 modetable = video_mode_ptr + (64*M_VGA_C80x25); 3343 } 3344 3345 /* setup vga for normal operation mode again */ 3346 inb(crtc_addr+6); /* reset flip-flop */ 3347 outb(ATC, 0x10); outb(ATC, modetable[0x10+35]); 3348 inb(crtc_addr+6); /* reset flip-flop */ 3349 outb(ATC, 0x20); /* enable palette */ 3350#if SLOW_VGA 3351 outb(TSIDX, 0x02); outb(TSREG, modetable[0x02+4]); 3352 outb(TSIDX, 0x04); outb(TSREG, modetable[0x04+4]); 3353 outb(GDCIDX, 0x04); outb(GDCREG, modetable[0x04+55]); 3354 outb(GDCIDX, 0x05); outb(GDCREG, modetable[0x05+55]); 3355 outb(GDCIDX, 0x06); outb(GDCREG, modetable[0x06+55]); 3356 if (crtc_addr == MONO_BASE) { 3357 outb(GDCIDX, 0x06); outb(GDCREG,(modetable[0x06+55] & 0x03) | 0x08); 3358 } 3359 else { 3360 outb(GDCIDX, 0x06); outb(GDCREG,(modetable[0x06+55] & 0x03) | 0x0c); 3361 } 3362#else 3363 outw(TSIDX, 0x0002 | (modetable[0x02+4]<<8)); 3364 outw(TSIDX, 0x0004 | (modetable[0x04+4]<<8)); 3365 outw(GDCIDX, 0x0004 | (modetable[0x04+55]<<8)); 3366 outw(GDCIDX, 0x0005 | (modetable[0x05+55]<<8)); 3367 if (crtc_addr == MONO_BASE) 3368 outw(GDCIDX, 0x0006 | (((modetable[0x06+55] & 0x03) | 0x08)<<8)); 3369 else 3370 outw(GDCIDX, 0x0006 | (((modetable[0x06+55] & 0x03) | 0x0c)<<8)); 3371#endif 3372 splx(s); 3373} 3374 3375void 3376copy_font(int operation, int font_type, char* font_image) 3377{ 3378 int ch, line, segment, fontsize; 3379 u_char val; 3380 3381 /* dont mess with console we dont know video mode on */ 3382 if (cur_console->status & UNKNOWN_MODE) 3383 return; 3384 3385 switch (font_type) { 3386 default: 3387 case FONT_8: 3388 segment = 0x8000; 3389 fontsize = 8; 3390 break; 3391 case FONT_14: 3392 segment = 0x4000; 3393 fontsize = 14; 3394 break; 3395 case FONT_16: 3396 segment = 0x0000; 3397 fontsize = 16; 3398 break; 3399 } 3400 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 3401 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 3402 set_font_mode(); 3403 for (ch=0; ch < 256; ch++) 3404 for (line=0; line < fontsize; line++) 3405 if (operation) 3406 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 3407 font_image[(ch*fontsize)+line]; 3408 else 3409 font_image[(ch*fontsize)+line] = 3410 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 3411 set_normal_mode(); 3412 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 3413} 3414 3415static void 3416set_destructive_cursor(scr_stat *scp) 3417{ 3418 u_char cursor[32]; 3419 caddr_t address; 3420 int i; 3421 char *font_buffer; 3422 3423 3424 if (scp->font_size < FONT_14) { 3425 font_buffer = font_8; 3426 address = (caddr_t)VIDEOMEM + 0x8000; 3427 } 3428 else if (scp->font_size >= FONT_16) { 3429 font_buffer = font_16; 3430 address = (caddr_t)VIDEOMEM; 3431 } 3432 else { 3433 font_buffer = font_14; 3434 address = (caddr_t)VIDEOMEM + 0x4000; 3435 } 3436 3437 if (scp->status & MOUSE_VISIBLE) { 3438 if ((scp->cursor_saveunder & 0xff) == 0xd0) 3439 bcopyw(&scp->mouse_cursor[0], cursor, scp->font_size); 3440 else if ((scp->cursor_saveunder & 0xff) == 0xd1) 3441 bcopyw(&scp->mouse_cursor[32], cursor, scp->font_size); 3442 else if ((scp->cursor_saveunder & 0xff) == 0xd2) 3443 bcopyw(&scp->mouse_cursor[64], cursor, scp->font_size); 3444 else if ((scp->cursor_saveunder & 0xff) == 0xd3) 3445 bcopyw(&scp->mouse_cursor[96], cursor, scp->font_size); 3446 else 3447 bcopyw(font_buffer+((scp->cursor_saveunder & 0xff)*scp->font_size), 3448 cursor, scp->font_size); 3449 } 3450 else 3451 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * scp->font_size), 3452 cursor, scp->font_size); 3453 for (i=0; i<32; i++) 3454 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3455 (scp->cursor_start >= scp->font_size && i == scp->font_size - 1)) 3456 cursor[i] |= 0xff; 3457#if 0 3458 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3459#endif 3460 set_font_mode(); 3461 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3462 set_normal_mode(); 3463} 3464 3465static void 3466set_mouse_pos(scr_stat *scp) 3467{ 3468 static int last_xpos = -1, last_ypos = -1; 3469 /* 3470 * the margins imposed here are not ideal, we loose 3471 * a couble of pixels on the borders.. 3472 */ 3473 if (scp->mouse_xpos < 0) 3474 scp->mouse_xpos = 0; 3475 if (scp->mouse_ypos < 0) 3476 scp->mouse_ypos = 0; 3477 if (scp->mouse_xpos > (scp->xsize*8)-2) 3478 scp->mouse_xpos = (scp->xsize*8)-2; 3479 if (scp->mouse_ypos > (scp->ysize*scp->font_size)-2) 3480 scp->mouse_ypos = (scp->ysize*scp->font_size)-2; 3481 3482 if (scp->status & UNKNOWN_MODE) 3483 return; 3484 3485 if (scp->mouse_xpos != last_xpos || scp->mouse_ypos != last_ypos) { 3486 scp->status |= MOUSE_MOVED; 3487 3488 scp->mouse_pos = scp->scr_buf + 3489 ((scp->mouse_ypos/scp->font_size)*scp->xsize + scp->mouse_xpos/8); 3490 3491 if ((scp->status & MOUSE_VISIBLE) && (scp->status & MOUSE_CUTTING)) { 3492 u_short *ptr; 3493 int i = 0; 3494 3495 mark_for_update(scp, scp->mouse_cut_start - scp->scr_buf); 3496 mark_for_update(scp, scp->mouse_cut_end - scp->scr_buf); 3497 scp->mouse_cut_end = scp->mouse_pos; 3498 for (ptr = (scp->mouse_cut_start > scp->mouse_cut_end 3499 ? scp->mouse_cut_end : scp->mouse_cut_start); 3500 ptr <= (scp->mouse_cut_start > scp->mouse_cut_end 3501 ? scp->mouse_cut_start : scp->mouse_cut_end); 3502 ptr++) { 3503 cut_buffer[i++] = *ptr & 0xff; 3504 if (((ptr - scp->scr_buf) % scp->xsize) == (scp->xsize - 1)) { 3505 cut_buffer[i++] = '\n'; 3506 } 3507 } 3508 cut_buffer[i] = 0x00; 3509 } 3510 } 3511} 3512 3513static void 3514mouse_cut_start(scr_stat *scp) 3515{ 3516 int i; 3517 3518 if (scp->status & MOUSE_VISIBLE) { 3519 if (scp->mouse_pos == scp->mouse_cut_start && 3520 scp->mouse_cut_start == scp->mouse_cut_end) { 3521 cut_buffer[0] = 0x00; 3522 remove_cutmarking(scp); 3523 } 3524 else { 3525 scp->mouse_cut_start = scp->mouse_cut_end = scp->mouse_pos; 3526 cut_buffer[0] = *scp->mouse_cut_start & 0xff; 3527 cut_buffer[1] = 0x00; 3528 scp->status |= MOUSE_CUTTING; 3529 } 3530 mark_all(scp); 3531 /* delete all other screens cut markings */ 3532 for (i=0; i<MAXCONS; i++) { 3533 if (console[i] == NULL || console[i] == scp) 3534 continue; 3535 remove_cutmarking(console[i]); 3536 } 3537 } 3538} 3539 3540static void 3541mouse_cut_end(scr_stat *scp) 3542{ 3543 if (scp->status & MOUSE_VISIBLE) { 3544 scp->status &= ~MOUSE_CUTTING; 3545 } 3546} 3547 3548static void 3549mouse_paste(scr_stat *scp) 3550{ 3551 if (scp->status & MOUSE_VISIBLE) { 3552 struct tty *tp; 3553 u_char *ptr = cut_buffer; 3554 3555 tp = VIRTUAL_TTY(get_scr_num()); 3556 while (*ptr) 3557 (*linesw[tp->t_line].l_rint)(scr_rmap[*ptr++], tp); 3558 } 3559} 3560 3561static void 3562draw_mouse_image(scr_stat *scp) 3563{ 3564 caddr_t address; 3565 int i; 3566 char *font_buffer; 3567 u_short buffer[32]; 3568 u_short xoffset, yoffset; 3569 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 3570 int font_size = scp->font_size; 3571 3572 if (font_size < FONT_14) { 3573 font_buffer = font_8; 3574 address = (caddr_t)VIDEOMEM + 0x8000; 3575 } 3576 else if (font_size >= FONT_16) { 3577 font_buffer = font_16; 3578 address = (caddr_t)VIDEOMEM; 3579 } 3580 else { 3581 font_buffer = font_14; 3582 address = (caddr_t)VIDEOMEM + 0x4000; 3583 } 3584 xoffset = scp->mouse_xpos % 8; 3585 yoffset = scp->mouse_ypos % font_size; 3586 3587 /* prepare mousepointer char's bitmaps */ 3588 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 3589 &scp->mouse_cursor[0], font_size); 3590 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 3591 &scp->mouse_cursor[32], font_size); 3592 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 3593 &scp->mouse_cursor[64], font_size); 3594 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 3595 &scp->mouse_cursor[96], font_size); 3596 for (i=0; i<font_size; i++) { 3597 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 3598 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 3599 } 3600 3601 /* now and-or in the mousepointer image */ 3602 for (i=0; i<16; i++) { 3603 buffer[i+yoffset] = 3604 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 3605 | (mouse_or_mask[i] >> xoffset); 3606 } 3607 for (i=0; i<font_size; i++) { 3608 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 3609 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 3610 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 3611 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 3612 } 3613 3614 scp->mouse_oldpos = scp->mouse_pos; 3615 3616 /* wait for vertical retrace to avoid jitter on some videocards */ 3617#if 0 3618 while (!(inb(crtc_addr+6) & 0x08)) /* idle */ ; 3619#endif 3620 set_font_mode(); 3621 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3622 set_normal_mode(); 3623 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 3624 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 3625 if (scp->mouse_xpos < (scp->xsize-1)*8) { 3626 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 3627 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 3628 } 3629 mark_for_update(scp, scp->mouse_pos - scp->scr_buf); 3630 mark_for_update(scp, scp->mouse_pos + scp->xsize + 1 - scp->scr_buf); 3631} 3632 3633static void 3634remove_mouse_image(scr_stat *scp) 3635{ 3636 u_short *crt_pos = Crtat + (scp->mouse_oldpos - scp->scr_buf); 3637 3638 *(crt_pos) = *(scp->mouse_oldpos); 3639 *(crt_pos+1) = *(scp->mouse_oldpos+1); 3640 *(crt_pos+scp->xsize) = *(scp->mouse_oldpos+scp->xsize); 3641 *(crt_pos+scp->xsize+1) = *(scp->mouse_oldpos+scp->xsize+1); 3642 mark_for_update(scp, scp->mouse_oldpos - scp->scr_buf); 3643 mark_for_update(scp, scp->mouse_oldpos + scp->xsize + 1 - scp->scr_buf); 3644} 3645 3646static void 3647draw_cutmarking(scr_stat *scp) 3648{ 3649 u_short *ptr; 3650 u_short och, nch; 3651 3652 for (ptr=scp->scr_buf; ptr<=(scp->scr_buf+(scp->xsize*scp->ysize)); ptr++) { 3653 nch = och = *(Crtat + (ptr - scp->scr_buf)); 3654 /* are we outside the selected area ? */ 3655 if ( ptr < (scp->mouse_cut_start > scp->mouse_cut_end ? 3656 scp->mouse_cut_end : scp->mouse_cut_start) || 3657 ptr > (scp->mouse_cut_start > scp->mouse_cut_end ? 3658 scp->mouse_cut_start : scp->mouse_cut_end)) { 3659 if (ptr != scp->cursor_pos) 3660 nch = (och & 0xff) | (*ptr & 0xff00); 3661 } 3662 else { 3663 /* are we clear of the cursor image ? */ 3664 if (ptr != scp->cursor_pos) 3665 nch = (och & 0x88ff) | (*ptr & 0x7000)>>4 | (*ptr & 0x0700)<<4; 3666 else { 3667 if (flags & CHAR_CURSOR) 3668 nch = (och & 0x88ff)|(*ptr & 0x7000)>>4|(*ptr & 0x0700)<<4; 3669 else 3670 if (!(flags & BLINK_CURSOR)) 3671 nch = (och & 0xff) | (*ptr & 0xff00); 3672 } 3673 } 3674 if (nch != och) 3675 *(Crtat + (ptr - scp->scr_buf)) = nch; 3676 } 3677} 3678 3679static void 3680remove_cutmarking(scr_stat *scp) 3681{ 3682 scp->mouse_cut_start = scp->mouse_cut_end = NULL; 3683 scp->status &= ~MOUSE_CUTTING; 3684 mark_all(scp); 3685} 3686 3687static void 3688save_palette(void) 3689{ 3690 int i; 3691 3692 outb(PALRADR, 0x00); 3693 for (i=0x00; i<0x300; i++) 3694 palette[i] = inb(PALDATA); 3695 inb(crtc_addr+6); /* reset flip/flop */ 3696} 3697 3698void 3699load_palette(char *palette) 3700{ 3701 int i; 3702 3703 outb(PIXMASK, 0xFF); /* no pixelmask */ 3704 outb(PALWADR, 0x00); 3705 for (i=0x00; i<0x300; i++) 3706 outb(PALDATA, palette[i]); 3707 inb(crtc_addr+6); /* reset flip/flop */ 3708 outb(ATC, 0x20); /* enable palette */ 3709} 3710 3711static void 3712do_bell(scr_stat *scp, int pitch, int duration) 3713{ 3714 if (flags & VISUAL_BELL) { 3715 if (blink_in_progress) 3716 return; 3717 blink_in_progress = 4; 3718 if (scp != cur_console) 3719 blink_in_progress += 2; 3720 blink_screen(cur_console); 3721 timeout((timeout_func_t)blink_screen, cur_console, hz/10); 3722 } else { 3723 if (scp != cur_console) 3724 pitch *= 2; 3725 sysbeep(pitch, duration); 3726 } 3727} 3728 3729static void 3730blink_screen(scr_stat *scp) 3731{ 3732 if (blink_in_progress > 1) { 3733 if (blink_in_progress & 1) 3734 fillw(kernel_default.std_color | scr_map[0x20], 3735 Crtat, scp->xsize * scp->ysize); 3736 else 3737 fillw(kernel_default.rev_color | scr_map[0x20], 3738 Crtat, scp->xsize * scp->ysize); 3739 blink_in_progress--; 3740 timeout((timeout_func_t)blink_screen, scp, hz/10); 3741 } 3742 else { 3743 blink_in_progress = FALSE; 3744 mark_all(scp); 3745 if (delayed_next_scr) 3746 switch_scr(scp, delayed_next_scr - 1); 3747 } 3748} 3749 3750#ifdef SC_SPLASH_SCREEN 3751static void 3752toggle_splash_screen(scr_stat *scp) 3753{ 3754 static int toggle = 0; 3755 static u_char save_mode; 3756 int s = splhigh(); 3757 3758 if (toggle) { 3759 scp->mode = save_mode; 3760 scp->status &= ~UNKNOWN_MODE; 3761 set_mode(scp); 3762 load_palette(palette); 3763 toggle = 0; 3764 } 3765 else { 3766 save_mode = scp->mode; 3767 scp->mode = M_VGA_CG320; 3768 scp->status |= UNKNOWN_MODE; 3769 set_mode(scp); 3770 /* load image */ 3771 toggle = 1; 3772 } 3773 splx(s); 3774} 3775#endif 3776#endif /* NSC */ 3777