syscons.c revision 13967
199040Sbenno/*- 299040Sbenno * Copyright (c) 1992-1995 S�ren Schmidt 399040Sbenno * All rights reserved. 4139825Simp * 599040Sbenno * Redistribution and use in source and binary forms, with or without 699040Sbenno * modification, are permitted provided that the following conditions 799040Sbenno * are met: 899040Sbenno * 1. Redistributions of source code must retain the above copyright 999040Sbenno * notice, this list of conditions and the following disclaimer 1099040Sbenno * in this position and unchanged. 1199040Sbenno * 2. Redistributions in binary form must reproduce the above copyright 1299040Sbenno * notice, this list of conditions and the following disclaimer in the 1399040Sbenno * documentation and/or other materials provided with the distribution. 1499040Sbenno * 3. The name of the author may not be used to endorse or promote products 1599040Sbenno * derived from this software withough specific prior written permission 1699040Sbenno * 1799040Sbenno * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1899040Sbenno * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1999040Sbenno * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 2099040Sbenno * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2199040Sbenno * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2299040Sbenno * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2399040Sbenno * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2499040Sbenno * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2599040Sbenno * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2699040Sbenno * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2799040Sbenno * 2899040Sbenno * $Id: syscons.c,v 1.140 1996/02/05 14:08:39 ache Exp $ 2999040Sbenno */ 3099040Sbenno 3199040Sbenno#include "sc.h" 3299040Sbenno#include "apm.h" 3399040Sbenno#include "opt_ddb.h" 3499040Sbenno 3599040Sbenno#if NSC > 0 3699040Sbenno#include <sys/param.h> 3799040Sbenno#include <sys/systm.h> 3899040Sbenno#include <sys/conf.h> 3999040Sbenno#include <sys/ioctl.h> 4099040Sbenno#include <sys/proc.h> 4199040Sbenno#include <sys/signalvar.h> 4299040Sbenno#include <sys/tty.h> 4399040Sbenno#include <sys/uio.h> 4499040Sbenno#include <sys/callout.h> 4599040Sbenno#include <sys/kernel.h> 4699040Sbenno#include <sys/syslog.h> 4799040Sbenno#include <sys/errno.h> 4899040Sbenno#include <sys/malloc.h> 4999040Sbenno#include <sys/devconf.h> 5099040Sbenno#ifdef DEVFS 5199040Sbenno#include <sys/devfsext.h> 5299040Sbenno#endif 5399040Sbenno 5499040Sbenno#include <machine/clock.h> 5599040Sbenno#include <machine/cons.h> 5699040Sbenno#include <machine/console.h> 5799040Sbenno#include <machine/psl.h> 5899040Sbenno#include <machine/frame.h> 5999040Sbenno#include <machine/pc/display.h> 6099040Sbenno#include <machine/apm_bios.h> 6199040Sbenno#include <machine/random.h> 6299040Sbenno 6399040Sbenno#include <vm/vm.h> 6499040Sbenno#include <vm/vm_param.h> 6599040Sbenno#include <vm/pmap.h> 6699040Sbenno 6799040Sbenno#include <i386/isa/isa.h> 6899040Sbenno#include <i386/isa/isa_device.h> 6999040Sbenno#include <i386/isa/timerreg.h> 7099040Sbenno#include <i386/isa/kbdtables.h> 7199040Sbenno#include <i386/isa/syscons.h> 7299040Sbenno 7399040Sbenno#if !defined(MAXCONS) 7499040Sbenno#define MAXCONS 16 7599040Sbenno#endif 7699040Sbenno 7799040Sbenno 7899040Sbenno/* this may break on older VGA's but is usefull on real 32 bit systems */ 7999040Sbenno#define bcopyw bcopy 8099040Sbenno 8199040Sbennostatic default_attr user_default = { 8299040Sbenno (FG_LIGHTGREY | BG_BLACK) << 8, 8399040Sbenno (FG_BLACK | BG_LIGHTGREY) << 8 8499040Sbenno}; 8599040Sbenno 8699040Sbennostatic default_attr kernel_default = { 8799040Sbenno (FG_WHITE | BG_BLACK) << 8, 8899040Sbenno (FG_BLACK | BG_LIGHTGREY) << 8 8999040Sbenno}; 9099040Sbenno 9199040Sbennostatic scr_stat main_console; 9299040Sbennostatic scr_stat *console[MAXCONS]; 9399040Sbennostatic void *sc_devfs_token[MAXCONS]; 9499040Sbenno scr_stat *cur_console; 9599040Sbennostatic scr_stat *new_scp, *old_scp; 9699040Sbennostatic term_stat kernel_console; 9799040Sbennostatic default_attr *current_default; 9899040Sbennostatic char init_done = FALSE; 9999040Sbennostatic int configuration = 0; 10099040Sbennostatic char switch_in_progress = FALSE; 10199040Sbennostatic char blink_in_progress = FALSE; 10299040Sbennostatic char write_in_progress = FALSE; 10399040Sbenno u_int crtc_addr = MONO_BASE; 10499040Sbennostatic char crtc_vga = FALSE; 10599040Sbennostatic u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 10699040Sbennostatic u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 10799040Sbennostatic char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 10899040Sbennostatic int fonts_loaded = 0; 10999040Sbenno char palette[3*256]; 11099040Sbennostatic const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 11199040Sbennostatic int delayed_next_scr = FALSE; 11299040Sbennostatic long scrn_blank_time = 0; /* screen saver timeout value */ 11399040Sbenno int scrn_blanked = FALSE; /* screen saver active flag */ 11499040Sbennostatic long scrn_time_stamp; 11599040Sbenno u_char scr_map[256]; 11699040Sbennostatic char *video_mode_ptr = NULL; 11799040Sbenno#if ASYNCH 11899040Sbennostatic u_char kbd_reply = 0; 11999040Sbenno#endif 12099040Sbenno 12199040Sbennostatic u_short mouse_and_mask[16] = { 12299040Sbenno 0xc000, 0xe000, 0xf000, 0xf800, 0xfc00, 0xfe00, 0xff00, 0xff80, 12399040Sbenno 0xfe00, 0x1e00, 0x1f00, 0x0f00, 0x0f00, 0x0000, 0x0000, 0x0000 12499040Sbenno}; 12599040Sbennostatic u_short mouse_or_mask[16] = { 12699040Sbenno 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x6800, 12799040Sbenno 0x0c00, 0x0c00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000 12899040Sbenno}; 12999040Sbenno 13099040Sbennostatic void none_saver(int blank) { } 13199040Sbenno 13299040Sbennovoid (*current_saver) __P((int blank)) = none_saver; 13399040Sbenno 13499040Sbennostatic int scattach(struct isa_device *dev); 13599040Sbennostatic int scparam(struct tty *tp, struct termios *t); 13699040Sbennostatic int scprobe(struct isa_device *dev); 13799040Sbennostatic void scstart(struct tty *tp); 13899040Sbenno 13999040Sbenno/* OS specific stuff */ 14099040Sbenno#ifdef not_yet_done 14199040Sbenno#define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 14299040Sbennostruct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 14399040Sbennostruct tty *sccons[MAXCONS+1]; 14499040Sbenno#else 14599040Sbenno#define VIRTUAL_TTY(x) &sccons[x] 14699040Sbenno#define CONSOLE_TTY &sccons[MAXCONS] 14799040Sbennostatic struct tty sccons[MAXCONS+1]; 14899040Sbenno#endif 14999040Sbenno#define MONO_BUF pa_to_va(0xB0000) 15099040Sbenno#define CGA_BUF pa_to_va(0xB8000) 15199040Sbennou_short *Crtat; 15299040Sbenno 15399040Sbenno#define WRAPHIST(scp, pointer, offset)\ 15499040Sbenno ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 15599040Sbenno + (offset)) % (scp->history_size))) 15699040Sbenno 15799040Sbennostruct isa_driver scdriver = { 15899040Sbenno scprobe, scattach, "sc", 1 15999040Sbenno}; 16099040Sbenno 16199040Sbennostatic d_open_t scopen; 16299040Sbennostatic d_close_t scclose; 16399040Sbennostatic d_read_t scread; 16499040Sbennostatic d_write_t scwrite; 16599040Sbennostatic d_ioctl_t scioctl; 16699040Sbennostatic d_devtotty_t scdevtotty; 16799040Sbennostatic d_mmap_t scmmap; 16899040Sbenno 16999040Sbenno#define CDEV_MAJOR 12 17099040Sbennostatic struct cdevsw scdevsw = { 17199040Sbenno scopen, scclose, scread, scwrite, 17299040Sbenno scioctl, nullstop, noreset, scdevtotty, 17399040Sbenno ttselect, scmmap, nostrategy, "sc", NULL, -1 }; 17499040Sbenno 17599040Sbenno/* 17699040Sbenno * Calculate hardware attributes word using logical attributes mask and 17799040Sbenno * hardware colors 17899040Sbenno */ 17999040Sbenno 18099040Sbennostatic int 18199040Sbennomask2attr(struct term_stat *term) 18299040Sbenno{ 18399040Sbenno int attr, mask = term->attr_mask; 18499040Sbenno 18599040Sbenno if (mask & REVERSE_ATTR) { 18699040Sbenno attr = ((mask & FOREGROUND_CHANGED) ? 18799040Sbenno ((term->cur_color & 0xF000) >> 4) : 18899040Sbenno (term->rev_color & 0x0F00)) | 18999040Sbenno ((mask & BACKGROUND_CHANGED) ? 19099040Sbenno ((term->cur_color & 0x0F00) << 4) : 19199040Sbenno (term->rev_color & 0xF000)); 19299040Sbenno } else 19399040Sbenno attr = term->cur_color; 19499040Sbenno 19599040Sbenno /* XXX: underline mapping for Hercules adapter can be better */ 19699040Sbenno if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 19799040Sbenno attr ^= 0x0800; 19899040Sbenno if (mask & BLINK_ATTR) 19999040Sbenno attr ^= 0x8000; 20099040Sbenno 20199040Sbenno return attr; 20299040Sbenno} 20399040Sbenno 20499040Sbennostatic int 20599040Sbennoscprobe(struct isa_device *dev) 20699040Sbenno{ 20799040Sbenno int i, retries = 5; 20899040Sbenno unsigned char val; 20999040Sbenno 21099040Sbenno /* Enable interrupts and keyboard controller */ 21199040Sbenno kbd_wait(); 21299040Sbenno outb(KB_STAT, KB_WRITE); 21399040Sbenno kbd_wait(); 21499040Sbenno outb(KB_DATA, KB_MODE); 21599040Sbenno 21699040Sbenno /* flush any noise in the buffer */ 21799040Sbenno while (inb(KB_STAT) & KB_BUF_FULL) { 21899040Sbenno DELAY(10); 21999040Sbenno (void) inb(KB_DATA); 22099040Sbenno } 22199040Sbenno 22299040Sbenno /* Reset keyboard hardware */ 22399040Sbenno while (retries--) { 22499040Sbenno kbd_wait(); 22599040Sbenno outb(KB_DATA, KB_RESET); 22699040Sbenno for (i=0; i<100000; i++) { 22799040Sbenno DELAY(10); 22899040Sbenno val = inb(KB_DATA); 22999040Sbenno if (val == KB_ACK || val == KB_ECHO) 23099040Sbenno goto gotres; 231110786Sgrehan if (val == KB_RESEND) 23299040Sbenno break; 23399040Sbenno } 23499040Sbenno } 23599040Sbennogotres: 23699040Sbenno if (!retries) 23799040Sbenno printf("scprobe: keyboard won't accept RESET command\n"); 23899040Sbenno else { 23999040Sbennogotack: 24099040Sbenno DELAY(10); 24199040Sbenno while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10); 24299040Sbenno DELAY(10); 24399040Sbenno val = inb(KB_DATA); 24499040Sbenno if (val == KB_ACK) 24599040Sbenno goto gotack; 24699040Sbenno if (val != KB_RESET_DONE) 24799040Sbenno printf("scprobe: keyboard RESET failed %02x\n", val); 24899040Sbenno } 24999040Sbenno#ifdef XT_KEYBOARD 25099040Sbenno kbd_wait(); 251 outb(KB_DATA, 0xF0); 252 kbd_wait(); 253 outb(KB_DATA, 1); 254 kbd_wait(); 255#endif /* XT_KEYBOARD */ 256 return (IO_KBDSIZE); 257} 258 259static struct kern_devconf kdc_sc[NSC] = { 260 0, 0, 0, /* filled in by dev_attach */ 261 "sc", 0, { MDDT_ISA, 0, "tty" }, 262 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, 263 &kdc_isa0, /* parent */ 264 0, /* parentdata */ 265 DC_BUSY, /* the console is almost always busy */ 266 "Graphics console", 267 DC_CLS_DISPLAY /* class */ 268}; 269 270static inline void 271sc_registerdev(struct isa_device *id) 272{ 273 if(id->id_unit) 274 kdc_sc[id->id_unit] = kdc_sc[0]; 275 kdc_sc[id->id_unit].kdc_unit = id->id_unit; 276 kdc_sc[id->id_unit].kdc_isa = id; 277 dev_attach(&kdc_sc[id->id_unit]); 278} 279 280#if NAPM > 0 281static int 282scresume(void *dummy) 283{ 284 shfts = 0; 285 ctls = 0; 286 alts = 0; 287 agrs = 0; 288 metas = 0; 289 return 0; 290} 291#endif 292 293static int 294scattach(struct isa_device *dev) 295{ 296 scr_stat *scp; 297 int vc; 298 char name[32]; 299 300 scinit(); 301 configuration = dev->id_flags; 302 303 scp = console[0]; 304 305 if (crtc_vga) { 306 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 307 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 308 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 309 copy_font(SAVE, FONT_16, font_16); 310 fonts_loaded = FONT_16; 311 scp->font = FONT_16; 312 save_palette(); 313 } 314 315 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 316 M_DEVBUF, M_NOWAIT); 317 /* copy screen to buffer */ 318 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 319 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 320 scp->mouse_pos = scp->scr_buf; 321 322 /* initialize history buffer & pointers */ 323 scp->history_head = scp->history_pos = scp->history = 324 (u_short *)malloc(scp->history_size*sizeof(u_short), 325 M_DEVBUF, M_NOWAIT); 326 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 327 328 /* initialize cursor stuff */ 329 draw_cursor(scp, TRUE); 330 if (crtc_vga && (configuration & CHAR_CURSOR)) 331 set_destructive_cursor(scp, TRUE); 332 333 /* get screen update going */ 334 scrn_timer(); 335 336 update_leds(scp->status); 337 sc_registerdev(dev); 338 339 printf("sc%d: ", dev->id_unit); 340 if (crtc_vga) 341 if (crtc_addr == MONO_BASE) 342 printf("VGA mono"); 343 else 344 printf("VGA color"); 345 else 346 if (crtc_addr == MONO_BASE) 347 printf("MDA/hercules"); 348 else 349 printf("CGA/EGA"); 350 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 351 352#if NAPM > 0 353 scp->r_hook.ah_fun = scresume; 354 scp->r_hook.ah_arg = NULL; 355 scp->r_hook.ah_name = "system keyboard"; 356 scp->r_hook.ah_order = APM_MID_ORDER; 357 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 358#endif 359 360#ifdef DEVFS 361 for ( vc = 0 ; vc < MAXCONS; vc++) { 362 sprintf(name,"ttyv%x", vc); 363 sc_devfs_token[vc] = devfs_add_devsw("/" ,name, &scdevsw, vc, 364 DV_CHR, 0, 0, 0600 ); 365 } 366#endif 367 { 368 dev_t dev = makedev(CDEV_MAJOR, 0); 369 370 cdevsw_add(&dev, &scdevsw, NULL); 371 } 372 373 return 0; 374} 375 376struct tty 377*scdevtotty(dev_t dev) 378{ 379 int unit = minor(dev); 380 381 if (!init_done) 382 return(NULL); 383 if (unit > MAXCONS || unit < 0) 384 return(NULL); 385 if (unit == MAXCONS) 386 return CONSOLE_TTY; 387 return VIRTUAL_TTY(unit); 388} 389 390static scr_stat 391*get_scr_stat(dev_t dev) 392{ 393 int unit = minor(dev); 394 395 if (unit > MAXCONS || unit < 0) 396 return(NULL); 397 if (unit == MAXCONS) 398 return console[0]; 399 return console[unit]; 400} 401 402static int 403get_scr_num() 404{ 405 int i = 0; 406 407 while ((i < MAXCONS) && (cur_console != console[i])) 408 i++; 409 return i < MAXCONS ? i : 0; 410} 411 412int 413scopen(dev_t dev, int flag, int mode, struct proc *p) 414{ 415 struct tty *tp = scdevtotty(dev); 416 417 if (!tp) 418 return(ENXIO); 419 420 tp->t_oproc = scstart; 421 tp->t_param = scparam; 422 tp->t_dev = dev; 423 if (!(tp->t_state & TS_ISOPEN)) { 424 ttychars(tp); 425 tp->t_iflag = TTYDEF_IFLAG; 426 tp->t_oflag = TTYDEF_OFLAG; 427 tp->t_cflag = TTYDEF_CFLAG; 428 tp->t_lflag = TTYDEF_LFLAG; 429 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 430 scparam(tp, &tp->t_termios); 431 ttsetwater(tp); 432 (*linesw[tp->t_line].l_modem)(tp, 1); 433 } 434 else 435 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 436 return(EBUSY); 437 if (!console[minor(dev)]) 438 console[minor(dev)] = alloc_scp(); 439 return((*linesw[tp->t_line].l_open)(dev, tp)); 440} 441 442int 443scclose(dev_t dev, int flag, int mode, struct proc *p) 444{ 445 struct tty *tp = scdevtotty(dev); 446 struct scr_stat *scp; 447 448 if (!tp) 449 return(ENXIO); 450 if (minor(dev) < MAXCONS) { 451 scp = get_scr_stat(tp->t_dev); 452 if (scp->status & SWITCH_WAIT_ACQ) 453 wakeup((caddr_t)&scp->smode); 454#if not_yet_done 455 if (scp == &main_console) { 456 scp->pid = 0; 457 scp->proc = NULL; 458 scp->smode.mode = VT_AUTO; 459 } 460 else { 461 free(scp->scr_buf, M_DEVBUF); 462 free(scp->history, M_DEVBUF); 463 free(scp, M_DEVBUF); 464 console[minor(dev)] = NULL; 465 } 466#else 467 scp->pid = 0; 468 scp->proc = NULL; 469 scp->smode.mode = VT_AUTO; 470#endif 471 } 472 (*linesw[tp->t_line].l_close)(tp, flag); 473 ttyclose(tp); 474 return(0); 475} 476 477int 478scread(dev_t dev, struct uio *uio, int flag) 479{ 480 struct tty *tp = scdevtotty(dev); 481 482 if (!tp) 483 return(ENXIO); 484 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 485} 486 487int 488scwrite(dev_t dev, struct uio *uio, int flag) 489{ 490 struct tty *tp = scdevtotty(dev); 491 492 if (!tp) 493 return(ENXIO); 494 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 495} 496 497void 498scintr(int unit) 499{ 500 static struct tty *cur_tty; 501 int c, len; 502 u_char *cp; 503 504 /* make screensaver happy */ 505 scrn_time_stamp = time.tv_sec; 506 if (scrn_blanked) { 507 (*current_saver)(FALSE); 508 cur_console->start = 0; 509 cur_console->end = cur_console->xsize * cur_console->ysize; 510 } 511 512 c = scgetc(1); 513 514 cur_tty = VIRTUAL_TTY(get_scr_num()); 515 if (!(cur_tty->t_state & TS_ISOPEN)) 516 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 517 return; 518 519 switch (c & 0xff00) { 520 case 0x0000: /* normal key */ 521 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 522 break; 523 case NOKEY: /* nothing there */ 524 break; 525 case FKEY: /* function key, return string */ 526 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 527 while (len-- > 0) 528 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 529 } 530 break; 531 case MKEY: /* meta is active, prepend ESC */ 532 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 533 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 534 break; 535 case BKEY: /* backtab fixed sequence (esc [ Z) */ 536 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 537 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 538 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 539 break; 540 } 541} 542 543static int 544scparam(struct tty *tp, struct termios *t) 545{ 546 tp->t_ispeed = t->c_ispeed; 547 tp->t_ospeed = t->c_ospeed; 548 tp->t_cflag = t->c_cflag; 549 return 0; 550} 551 552int 553scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 554{ 555 int i, error; 556 struct tty *tp; 557 struct trapframe *fp; 558 scr_stat *scp; 559 560 tp = scdevtotty(dev); 561 if (!tp) 562 return ENXIO; 563 scp = get_scr_stat(tp->t_dev); 564 565 switch (cmd) { /* process console hardware related ioctl's */ 566 567 case GIO_ATTR: /* get current attributes */ 568 *(int*)data = scp->term.cur_attr; 569 return 0; 570 571 case GIO_COLOR: /* is this a color console ? */ 572 if (crtc_addr == COLOR_BASE) 573 *(int*)data = 1; 574 else 575 *(int*)data = 0; 576 return 0; 577 578 case CONS_CURRENT: /* get current adapter type */ 579 if (crtc_vga) 580 *(int*)data = KD_VGA; 581 else 582 if (crtc_addr == MONO_BASE) 583 *(int*)data = KD_MONO; 584 else 585 *(int*)data = KD_CGA; 586 return 0; 587 588 case CONS_GET: /* get current video mode */ 589 *(int*)data = scp->mode; 590 return 0; 591 592 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 593 scrn_blank_time = *(int*)data; 594 return 0; 595 596 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 597 if ((*(int*)data) & 0x01) 598 configuration |= BLINK_CURSOR; 599 else 600 configuration &= ~BLINK_CURSOR; 601 if ((*(int*)data) & 0x02) { 602 configuration |= CHAR_CURSOR; 603 set_destructive_cursor(scp, TRUE); 604 } else 605 configuration &= ~CHAR_CURSOR; 606 return 0; 607 608 case CONS_BELLTYPE: /* set bell type sound/visual */ 609 if (*data) 610 configuration |= VISUAL_BELL; 611 else 612 configuration &= ~VISUAL_BELL; 613 return 0; 614 615 case CONS_HISTORY: /* set history size */ 616 if (*data) { 617 free(scp->history, M_DEVBUF); 618 scp->history_size = *(int*)data; 619 if (scp->history_size < scp->ysize) 620 scp->history = NULL; 621 else { 622 scp->history_size *= scp->xsize; 623 scp->history_head = scp->history_pos = scp->history = 624 (u_short *)malloc(scp->history_size*sizeof(u_short), 625 M_DEVBUF, M_WAITOK); 626 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 627 } 628 return 0; 629 } 630 else 631 return EINVAL; 632 633 case CONS_MOUSECTL: /* control mouse arrow */ 634 { 635 mouse_info_t *mouse = (mouse_info_t*)data; 636 int fontsize; 637 638 switch (scp->font) { 639 default: 640 case FONT_8: 641 fontsize = 8; break; 642 case FONT_14: 643 fontsize = 14; break; 644 case FONT_16: 645 fontsize = 16; break; 646 } 647 switch (mouse->operation) { 648 case MOUSE_SHOW: 649 if (!(scp->status & MOUSE_ENABLED)) { 650 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf); 651 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED); 652 } 653 else 654 return EINVAL; 655 break; 656 657 case MOUSE_HIDE: 658 if (scp->status & MOUSE_ENABLED) { 659 scp->status &= ~MOUSE_ENABLED; 660 scp->status |= UPDATE_MOUSE; 661 } 662 else 663 return EINVAL; 664 break; 665 666 case MOUSE_MOVEABS: 667 scp->mouse_xpos = mouse->x; 668 scp->mouse_ypos = mouse->y; 669 goto set_mouse_pos; 670 671 case MOUSE_MOVEREL: 672 scp->mouse_xpos += mouse->x; 673 scp->mouse_ypos += mouse->y; 674set_mouse_pos: 675 if (scp->mouse_xpos < 0) 676 scp->mouse_xpos = 0; 677 if (scp->mouse_ypos < 0) 678 scp->mouse_ypos = 0; 679 if (scp->mouse_xpos >= scp->xsize*8) 680 scp->mouse_xpos = (scp->xsize*8)-1; 681 if (scp->mouse_ypos >= scp->ysize*fontsize) 682 scp->mouse_ypos = (scp->ysize*fontsize)-1; 683 scp->mouse_pos = scp->scr_buf + 684 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8; 685 if (scp->status & MOUSE_ENABLED) 686 scp->status |= UPDATE_MOUSE; 687 break; 688 689 case MOUSE_GETPOS: 690 mouse->x = scp->mouse_xpos; 691 mouse->y = scp->mouse_ypos; 692 return 0; 693 694 default: 695 return EINVAL; 696 } 697 /* make screensaver happy */ 698 if (scp == cur_console) { 699 scrn_time_stamp = time.tv_sec; 700 if (scrn_blanked) { 701 (*current_saver)(FALSE); 702 cur_console->start = 0; 703 cur_console->end = cur_console->xsize * cur_console->ysize; 704 } 705 } 706 return 0; 707 } 708 709 case CONS_GETINFO: /* get current (virtual) console info */ 710 { 711 vid_info_t *ptr = (vid_info_t*)data; 712 if (ptr->size == sizeof(struct vid_info)) { 713 ptr->m_num = get_scr_num(); 714 ptr->mv_col = scp->xpos; 715 ptr->mv_row = scp->ypos; 716 ptr->mv_csz = scp->xsize; 717 ptr->mv_rsz = scp->ysize; 718 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 719 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 720 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 721 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 722 ptr->mv_grfc.fore = 0; /* not supported */ 723 ptr->mv_grfc.back = 0; /* not supported */ 724 ptr->mv_ovscan = scp->border; 725 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 726 return 0; 727 } 728 return EINVAL; 729 } 730 731 case CONS_GETVERS: /* get version number */ 732 *(int*)data = 0x200; /* version 2.0 */ 733 return 0; 734 735 /* VGA TEXT MODES */ 736 case SW_VGA_C40x25: 737 case SW_VGA_C80x25: case SW_VGA_M80x25: 738 case SW_VGA_C80x30: case SW_VGA_M80x30: 739 case SW_VGA_C80x50: case SW_VGA_M80x50: 740 case SW_VGA_C80x60: case SW_VGA_M80x60: 741 case SW_B40x25: case SW_C40x25: 742 case SW_B80x25: case SW_C80x25: 743 case SW_ENH_B40x25: case SW_ENH_C40x25: 744 case SW_ENH_B80x25: case SW_ENH_C80x25: 745 case SW_ENH_B80x43: case SW_ENH_C80x43: 746 747 if (!crtc_vga || video_mode_ptr == NULL) 748 return ENXIO; 749 switch (cmd & 0xff) { 750 case M_VGA_C80x60: case M_VGA_M80x60: 751 if (!(fonts_loaded & FONT_8)) 752 return EINVAL; 753 scp->xsize = 80; 754 scp->ysize = 60; 755 break; 756 case M_VGA_C80x50: case M_VGA_M80x50: 757 if (!(fonts_loaded & FONT_8)) 758 return EINVAL; 759 scp->xsize = 80; 760 scp->ysize = 50; 761 break; 762 case M_ENH_B80x43: case M_ENH_C80x43: 763 if (!(fonts_loaded & FONT_8)) 764 return EINVAL; 765 scp->xsize = 80; 766 scp->ysize = 43; 767 break; 768 case M_VGA_C80x30: case M_VGA_M80x30: 769 scp->xsize = 80; 770 scp->ysize = 30; 771 break; 772 default: 773 if ((cmd & 0xff) > M_VGA_CG320) 774 return EINVAL; 775 else 776 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 777 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 778 break; 779 } 780 scp->mode = cmd & 0xff; 781 scp->status &= ~UNKNOWN_MODE; /* text mode */ 782 free(scp->scr_buf, M_DEVBUF); 783 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 784 M_DEVBUF, M_WAITOK); 785 if (scp == cur_console) 786 set_mode(scp); 787 clear_screen(scp); 788 if (tp->t_winsize.ws_col != scp->xsize 789 || tp->t_winsize.ws_row != scp->ysize) { 790 tp->t_winsize.ws_col = scp->xsize; 791 tp->t_winsize.ws_row = scp->ysize; 792 pgsignal(tp->t_pgrp, SIGWINCH, 1); 793 } 794 return 0; 795 796 /* GRAPHICS MODES */ 797 case SW_BG320: case SW_BG640: 798 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 799 case SW_CG640x350: case SW_ENH_CG640: 800 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 801 802 if (!crtc_vga || video_mode_ptr == NULL) 803 return ENXIO; 804 scp->mode = cmd & 0xFF; 805 scp->status |= UNKNOWN_MODE; /* graphics mode */ 806 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; 807 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 808 (*(video_mode_ptr + (scp->mode*64) + 2)); 809 set_mode(scp); 810 /* clear_graphics();*/ 811 812 if (tp->t_winsize.ws_xpixel != scp->xsize 813 || tp->t_winsize.ws_ypixel != scp->ysize) { 814 tp->t_winsize.ws_xpixel = scp->xsize; 815 tp->t_winsize.ws_ypixel = scp->ysize; 816 pgsignal(tp->t_pgrp, SIGWINCH, 1); 817 } 818 return 0; 819 820 case VT_SETMODE: /* set screen switcher mode */ 821 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 822 if (scp->smode.mode == VT_PROCESS) { 823 scp->proc = p; 824 scp->pid = scp->proc->p_pid; 825 } 826 return 0; 827 828 case VT_GETMODE: /* get screen switcher mode */ 829 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 830 return 0; 831 832 case VT_RELDISP: /* screen switcher ioctl */ 833 switch(*data) { 834 case VT_FALSE: /* user refuses to release screen, abort */ 835 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 836 old_scp->status &= ~SWITCH_WAIT_REL; 837 switch_in_progress = FALSE; 838 return 0; 839 } 840 return EINVAL; 841 842 case VT_TRUE: /* user has released screen, go on */ 843 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 844 scp->status &= ~SWITCH_WAIT_REL; 845 exchange_scr(); 846 if (new_scp->smode.mode == VT_PROCESS) { 847 new_scp->status |= SWITCH_WAIT_ACQ; 848 psignal(new_scp->proc, new_scp->smode.acqsig); 849 } 850 else 851 switch_in_progress = FALSE; 852 return 0; 853 } 854 return EINVAL; 855 856 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 857 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 858 scp->status &= ~SWITCH_WAIT_ACQ; 859 switch_in_progress = FALSE; 860 return 0; 861 } 862 return EINVAL; 863 864 default: 865 return EINVAL; 866 } 867 /* NOT REACHED */ 868 869 case VT_OPENQRY: /* return free virtual console */ 870 for (i = 0; i < MAXCONS; i++) { 871 tp = VIRTUAL_TTY(i); 872 if (!(tp->t_state & TS_ISOPEN)) { 873 *data = i + 1; 874 return 0; 875 } 876 } 877 return EINVAL; 878 879 case VT_ACTIVATE: /* switch to screen *data */ 880 return switch_scr(scp, (*data) - 1); 881 882 case VT_WAITACTIVE: /* wait for switch to occur */ 883 if (*data > MAXCONS || *data < 0) 884 return EINVAL; 885 if (minor(dev) == (*data) - 1) 886 return 0; 887 if (*data == 0) { 888 if (scp == cur_console) 889 return 0; 890 } 891 else 892 scp = console[(*data) - 1]; 893 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 894 "waitvt", 0)) == ERESTART) ; 895 return error; 896 897 case VT_GETACTIVE: 898 *data = get_scr_num()+1; 899 return 0; 900 901 case KDENABIO: /* allow io operations */ 902 error = suser(p->p_ucred, &p->p_acflag); 903 if (error != 0) 904 return error; 905 fp = (struct trapframe *)p->p_md.md_regs; 906 fp->tf_eflags |= PSL_IOPL; 907 return 0; 908 909 case KDDISABIO: /* disallow io operations (default) */ 910 fp = (struct trapframe *)p->p_md.md_regs; 911 fp->tf_eflags &= ~PSL_IOPL; 912 return 0; 913 914 case KDSETMODE: /* set current mode of this (virtual) console */ 915 switch (*data) { 916 case KD_TEXT: /* switch to TEXT (known) mode */ 917 /* restore fonts & palette ! */ 918 if (crtc_vga) { 919 if (fonts_loaded & FONT_8) 920 copy_font(LOAD, FONT_8, font_8); 921 if (fonts_loaded & FONT_14) 922 copy_font(LOAD, FONT_14, font_14); 923 if (fonts_loaded & FONT_16) 924 copy_font(LOAD, FONT_16, font_16); 925 if (configuration & CHAR_CURSOR) 926 set_destructive_cursor(scp, TRUE); 927 load_palette(); 928 } 929 /* FALL THROUGH */ 930 931 case KD_TEXT1: /* switch to TEXT (known) mode */ 932 /* no restore fonts & palette */ 933 scp->status &= ~UNKNOWN_MODE; 934 if (crtc_vga && video_mode_ptr) 935 set_mode(scp); 936 clear_screen(scp); 937 return 0; 938 939 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 940 scp->status |= UNKNOWN_MODE; 941 return 0; 942 default: 943 return EINVAL; 944 } 945 /* NOT REACHED */ 946 947 case KDGETMODE: /* get current mode of this (virtual) console */ 948 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 949 return 0; 950 951 case KDSBORDER: /* set border color of this (virtual) console */ 952 if (!crtc_vga) 953 return ENXIO; 954 scp->border = *data; 955 if (scp == cur_console) 956 set_border(scp->border); 957 return 0; 958 959 case KDSKBSTATE: /* set keyboard state (locks) */ 960 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 961 scp->status &= ~LOCK_KEY_MASK; 962 scp->status |= *data; 963 if (scp == cur_console) 964 update_leds(scp->status); 965 return 0; 966 } 967 return EINVAL; 968 969 case KDGKBSTATE: /* get keyboard state (locks) */ 970 *data = scp->status & LOCK_KEY_MASK; 971 return 0; 972 973 case KDSETRAD: /* set keyboard repeat & delay rates */ 974 if (*data & 0x80) 975 return EINVAL; 976 i = spltty(); 977 kbd_cmd(KB_SETRAD); 978 kbd_cmd(*data); 979 splx(i); 980 return 0; 981 982 case KDSKBMODE: /* set keyboard mode */ 983 switch (*data) { 984 case K_RAW: /* switch to RAW scancode mode */ 985 scp->status |= KBD_RAW_MODE; 986 return 0; 987 988 case K_XLATE: /* switch to XLT ascii mode */ 989 if (scp == cur_console && scp->status == KBD_RAW_MODE) 990 shfts = ctls = alts = agrs = metas = 0; 991 scp->status &= ~KBD_RAW_MODE; 992 return 0; 993 default: 994 return EINVAL; 995 } 996 /* NOT REACHED */ 997 998 case KDGKBMODE: /* get keyboard mode */ 999 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 1000 return 0; 1001 1002 case KDMKTONE: /* sound the bell */ 1003 if (*(int*)data) 1004 do_bell(scp, (*(int*)data)&0xffff, 1005 (((*(int*)data)>>16)&0xffff)*hz/1000); 1006 else 1007 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1008 return 0; 1009 1010 case KIOCSOUND: /* make tone (*data) hz */ 1011 if (scp == cur_console) { 1012 if (*(int*)data) { 1013 int pitch = TIMER_FREQ/(*(int*)data); 1014 1015 /* set command for counter 2, 2 byte write */ 1016 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1017 return EBUSY; 1018 1019 /* set pitch */ 1020 outb(TIMER_CNTR2, pitch); 1021 outb(TIMER_CNTR2, (pitch>>8)); 1022 1023 /* enable counter 2 output to speaker */ 1024 outb(IO_PPI, inb(IO_PPI) | 3); 1025 } 1026 else { 1027 /* disable counter 2 output to speaker */ 1028 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1029 release_timer2(); 1030 } 1031 } 1032 return 0; 1033 1034 case KDGKBTYPE: /* get keyboard type */ 1035 *data = 0; /* type not known (yet) */ 1036 return 0; 1037 1038 case KDSETLED: /* set keyboard LED status */ 1039 if (*data >= 0 && *data <= LED_MASK) { 1040 scp->status &= ~LED_MASK; 1041 scp->status |= *data; 1042 if (scp == cur_console) 1043 update_leds(scp->status); 1044 return 0; 1045 } 1046 return EINVAL; 1047 1048 case KDGETLED: /* get keyboard LED status */ 1049 *data = scp->status & LED_MASK; 1050 return 0; 1051 1052 case GETFKEY: /* get functionkey string */ 1053 if (*(u_short*)data < n_fkey_tab) { 1054 fkeyarg_t *ptr = (fkeyarg_t*)data; 1055 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1056 fkey_tab[ptr->keynum].len); 1057 ptr->flen = fkey_tab[ptr->keynum].len; 1058 return 0; 1059 } 1060 else 1061 return EINVAL; 1062 1063 case SETFKEY: /* set functionkey string */ 1064 if (*(u_short*)data < n_fkey_tab) { 1065 fkeyarg_t *ptr = (fkeyarg_t*)data; 1066 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1067 min(ptr->flen, MAXFK)); 1068 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1069 return 0; 1070 } 1071 else 1072 return EINVAL; 1073 1074 case GIO_SCRNMAP: /* get output translation table */ 1075 bcopy(&scr_map, data, sizeof(scr_map)); 1076 return 0; 1077 1078 case PIO_SCRNMAP: /* set output translation table */ 1079 bcopy(data, &scr_map, sizeof(scr_map)); 1080 return 0; 1081 1082 case GIO_KEYMAP: /* get keyboard translation table */ 1083 bcopy(&key_map, data, sizeof(key_map)); 1084 return 0; 1085 1086 case PIO_KEYMAP: /* set keyboard translation table */ 1087 bcopy(data, &key_map, sizeof(key_map)); 1088 return 0; 1089 1090 case PIO_FONT8x8: /* set 8x8 dot font */ 1091 if (!crtc_vga) 1092 return ENXIO; 1093 bcopy(data, font_8, 8*256); 1094 fonts_loaded |= FONT_8; 1095 copy_font(LOAD, FONT_8, font_8); 1096 if (configuration & CHAR_CURSOR) 1097 set_destructive_cursor(scp, TRUE); 1098 return 0; 1099 1100 case GIO_FONT8x8: /* get 8x8 dot font */ 1101 if (!crtc_vga) 1102 return ENXIO; 1103 if (fonts_loaded & FONT_8) { 1104 bcopy(font_8, data, 8*256); 1105 return 0; 1106 } 1107 else 1108 return ENXIO; 1109 1110 case PIO_FONT8x14: /* set 8x14 dot font */ 1111 if (!crtc_vga) 1112 return ENXIO; 1113 bcopy(data, font_14, 14*256); 1114 fonts_loaded |= FONT_14; 1115 copy_font(LOAD, FONT_14, font_14); 1116 if (configuration & CHAR_CURSOR) 1117 set_destructive_cursor(scp, TRUE); 1118 return 0; 1119 1120 case GIO_FONT8x14: /* get 8x14 dot font */ 1121 if (!crtc_vga) 1122 return ENXIO; 1123 if (fonts_loaded & FONT_14) { 1124 bcopy(font_14, data, 14*256); 1125 return 0; 1126 } 1127 else 1128 return ENXIO; 1129 1130 case PIO_FONT8x16: /* set 8x16 dot font */ 1131 if (!crtc_vga) 1132 return ENXIO; 1133 bcopy(data, font_16, 16*256); 1134 fonts_loaded |= FONT_16; 1135 copy_font(LOAD, FONT_16, font_16); 1136 if (configuration & CHAR_CURSOR) 1137 set_destructive_cursor(scp, TRUE); 1138 return 0; 1139 1140 case GIO_FONT8x16: /* get 8x16 dot font */ 1141 if (!crtc_vga) 1142 return ENXIO; 1143 if (fonts_loaded & FONT_16) { 1144 bcopy(font_16, data, 16*256); 1145 return 0; 1146 } 1147 else 1148 return ENXIO; 1149 default: 1150 break; 1151 } 1152 1153 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1154 if (error >= 0) 1155 return(error); 1156 error = ttioctl(tp, cmd, data, flag); 1157 if (error >= 0) 1158 return(error); 1159 return(ENOTTY); 1160} 1161 1162static void 1163scstart(struct tty *tp) 1164{ 1165 struct clist *rbp; 1166 int s, len; 1167 u_char buf[PCBURST]; 1168 scr_stat *scp = get_scr_stat(tp->t_dev); 1169 1170 /* XXX who repeats the call when the above flags are cleared? */ 1171 if (scp->status & SLKED || blink_in_progress) 1172 return; 1173 s = spltty(); 1174 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1175 tp->t_state |= TS_BUSY; 1176 rbp = &tp->t_outq; 1177 while (rbp->c_cc) { 1178 len = q_to_b(rbp, buf, PCBURST); 1179 splx(s); 1180 ansi_put(scp, buf, len); 1181 s = spltty(); 1182 } 1183 tp->t_state &= ~TS_BUSY; 1184 ttwwakeup(tp); 1185 } 1186 splx(s); 1187} 1188 1189void 1190sccnprobe(struct consdev *cp) 1191{ 1192 struct isa_device *dvp; 1193 1194 /* 1195 * Take control if we are the highest priority enabled display device. 1196 */ 1197 dvp = find_display(); 1198 if (dvp != NULL && dvp->id_driver != &scdriver) { 1199 cp->cn_pri = CN_DEAD; 1200 return; 1201 } 1202 1203 /* initialize required fields */ 1204 cp->cn_dev = makedev(CDEV_MAJOR, MAXCONS); 1205 cp->cn_pri = CN_INTERNAL; 1206} 1207 1208void 1209sccninit(struct consdev *cp) 1210{ 1211 scinit(); 1212} 1213 1214void 1215sccnputc(dev_t dev, int c) 1216{ 1217 u_char buf[1]; 1218 scr_stat *scp = console[0]; 1219 term_stat save = scp->term; 1220 1221 scp->term = kernel_console; 1222 current_default = &kernel_default; 1223 if (scp->scr_buf == Crtat) 1224 draw_cursor(scp, FALSE); 1225 buf[0] = c; 1226 ansi_put(scp, buf, 1); 1227 kernel_console = scp->term; 1228 current_default = &user_default; 1229 scp->term = save; 1230 if (scp == cur_console /* && scrn_timer not running */) { 1231 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1232 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1233 (1 + scp->end - scp->start) * sizeof(u_short)); 1234 scp->start = scp->xsize * scp->ysize; 1235 scp->end = 0; 1236 scp->status &= ~CURSOR_SHOWN; 1237 } 1238 draw_cursor(scp, TRUE); 1239 } 1240} 1241 1242int 1243sccngetc(dev_t dev) 1244{ 1245 int s = spltty(); /* block scintr while we poll */ 1246 int c = scgetc(0); 1247 splx(s); 1248 return(c); 1249} 1250 1251int 1252sccncheckc(dev_t dev) 1253{ 1254 return (scgetc(1) & 0xff); 1255} 1256 1257static void 1258scrn_timer() 1259{ 1260 static int cursor_blinkrate; 1261 scr_stat *scp = cur_console; 1262 1263 /* should we just return ? */ 1264 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1265 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1266 return; 1267 } 1268 1269 if (!scrn_blanked) { 1270 /* update screen image */ 1271 if (scp->start <= scp->end) { 1272 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1273 (1 + scp->end - scp->start) * sizeof(u_short)); 1274 scp->status &= ~CURSOR_SHOWN; 1275 scp->start = scp->xsize * scp->ysize; 1276 scp->end = 0; 1277 } 1278 /* update "pseudo" mouse arrow */ 1279 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE)) 1280 draw_mouse_image(scp); 1281 1282 /* update cursor image */ 1283 if (scp->status & CURSOR_ENABLED) 1284 draw_cursor(scp, 1285 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1286 } 1287 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1288 (*current_saver)(TRUE); 1289 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1290} 1291 1292static void 1293clear_screen(scr_stat *scp) 1294{ 1295 move_crsr(scp, 0, 0); 1296 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1297 scp->xsize * scp->ysize); 1298 mark_all(scp); 1299} 1300 1301static int 1302switch_scr(scr_stat *scp, u_int next_scr) 1303{ 1304 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1305 switch_in_progress = FALSE; 1306 1307 if (next_scr >= MAXCONS || switch_in_progress || 1308 (cur_console->smode.mode == VT_AUTO 1309 && cur_console->status & UNKNOWN_MODE)) { 1310 do_bell(scp, BELL_PITCH, BELL_DURATION); 1311 return EINVAL; 1312 } 1313 1314 /* is the wanted virtual console open ? */ 1315 if (next_scr) { 1316 struct tty *tp = VIRTUAL_TTY(next_scr); 1317 if (!(tp->t_state & TS_ISOPEN)) { 1318 do_bell(scp, BELL_PITCH, BELL_DURATION); 1319 return EINVAL; 1320 } 1321 } 1322 /* delay switch if actively updating screen */ 1323 if (write_in_progress || blink_in_progress) { 1324 delayed_next_scr = next_scr+1; 1325 return 0; 1326 } 1327 switch_in_progress = TRUE; 1328 old_scp = cur_console; 1329 new_scp = console[next_scr]; 1330 wakeup((caddr_t)&new_scp->smode); 1331 if (new_scp == old_scp) { 1332 switch_in_progress = FALSE; 1333 delayed_next_scr = FALSE; 1334 return 0; 1335 } 1336 1337 /* has controlling process died? */ 1338 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1339 old_scp->smode.mode = VT_AUTO; 1340 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1341 new_scp->smode.mode = VT_AUTO; 1342 1343 /* check the modes and switch approbiatly */ 1344 if (old_scp->smode.mode == VT_PROCESS) { 1345 old_scp->status |= SWITCH_WAIT_REL; 1346 psignal(old_scp->proc, old_scp->smode.relsig); 1347 } 1348 else { 1349 exchange_scr(); 1350 if (new_scp->smode.mode == VT_PROCESS) { 1351 new_scp->status |= SWITCH_WAIT_ACQ; 1352 psignal(new_scp->proc, new_scp->smode.acqsig); 1353 } 1354 else 1355 switch_in_progress = FALSE; 1356 } 1357 return 0; 1358} 1359 1360static void 1361exchange_scr(void) 1362{ 1363 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1364 cur_console = new_scp; 1365 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1366 if (crtc_vga && video_mode_ptr) 1367 set_mode(new_scp); 1368 } 1369 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1370 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1371 if (fonts_loaded & FONT_8) 1372 copy_font(LOAD, FONT_8, font_8); 1373 if (fonts_loaded & FONT_14) 1374 copy_font(LOAD, FONT_14, font_14); 1375 if (fonts_loaded & FONT_16) 1376 copy_font(LOAD, FONT_16, font_16); 1377 if (configuration & CHAR_CURSOR) 1378 set_destructive_cursor(new_scp, TRUE); 1379 load_palette(); 1380 } 1381 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1382 shfts = ctls = alts = agrs = metas = 0; 1383 update_leds(new_scp->status); 1384 delayed_next_scr = FALSE; 1385 bcopyw(new_scp->scr_buf, Crtat, 1386 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1387 new_scp->status &= ~CURSOR_SHOWN; 1388} 1389 1390static inline void 1391move_crsr(scr_stat *scp, int x, int y) 1392{ 1393 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1394 return; 1395 scp->xpos = x; 1396 scp->ypos = y; 1397 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1398 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 1399 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1400} 1401 1402static void 1403scan_esc(scr_stat *scp, u_char c) 1404{ 1405 static u_char ansi_col[16] = 1406 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1407 int i, n; 1408 u_short *src, *dst, count; 1409 1410 if (scp->term.esc == 1) { 1411 switch (c) { 1412 1413 case '[': /* Start ESC [ sequence */ 1414 scp->term.esc = 2; 1415 scp->term.last_param = -1; 1416 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1417 scp->term.param[i] = 1; 1418 scp->term.num_param = 0; 1419 return; 1420 1421 case 'M': /* Move cursor up 1 line, scroll if at top */ 1422 if (scp->ypos > 0) 1423 move_crsr(scp, scp->xpos, scp->ypos - 1); 1424 else { 1425 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1426 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1427 fillw(scp->term.cur_color | scr_map[0x20], 1428 scp->scr_buf, scp->xsize); 1429 mark_all(scp); 1430 } 1431 break; 1432#if notyet 1433 case 'Q': 1434 scp->term.esc = 4; 1435 break; 1436#endif 1437 case 'c': /* Clear screen & home */ 1438 clear_screen(scp); 1439 break; 1440 } 1441 } 1442 else if (scp->term.esc == 2) { 1443 if (c >= '0' && c <= '9') { 1444 if (scp->term.num_param < MAX_ESC_PAR) { 1445 if (scp->term.last_param != scp->term.num_param) { 1446 scp->term.last_param = scp->term.num_param; 1447 scp->term.param[scp->term.num_param] = 0; 1448 } 1449 else 1450 scp->term.param[scp->term.num_param] *= 10; 1451 scp->term.param[scp->term.num_param] += c - '0'; 1452 return; 1453 } 1454 } 1455 scp->term.num_param = scp->term.last_param + 1; 1456 switch (c) { 1457 1458 case ';': 1459 if (scp->term.num_param < MAX_ESC_PAR) 1460 return; 1461 break; 1462 1463 case '=': 1464 scp->term.esc = 3; 1465 scp->term.last_param = -1; 1466 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1467 scp->term.param[i] = 1; 1468 scp->term.num_param = 0; 1469 return; 1470 1471 case 'A': /* up n rows */ 1472 n = scp->term.param[0]; if (n < 1) n = 1; 1473 move_crsr(scp, scp->xpos, scp->ypos - n); 1474 break; 1475 1476 case 'B': /* down n rows */ 1477 n = scp->term.param[0]; if (n < 1) n = 1; 1478 move_crsr(scp, scp->xpos, scp->ypos + n); 1479 break; 1480 1481 case 'C': /* right n columns */ 1482 n = scp->term.param[0]; if (n < 1) n = 1; 1483 move_crsr(scp, scp->xpos + n, scp->ypos); 1484 break; 1485 1486 case 'D': /* left n columns */ 1487 n = scp->term.param[0]; if (n < 1) n = 1; 1488 move_crsr(scp, scp->xpos - n, scp->ypos); 1489 break; 1490 1491 case 'E': /* cursor to start of line n lines down */ 1492 n = scp->term.param[0]; if (n < 1) n = 1; 1493 move_crsr(scp, 0, scp->ypos + n); 1494 break; 1495 1496 case 'F': /* cursor to start of line n lines up */ 1497 n = scp->term.param[0]; if (n < 1) n = 1; 1498 move_crsr(scp, 0, scp->ypos - n); 1499 break; 1500 1501 case 'f': /* Cursor move */ 1502 case 'H': 1503 if (scp->term.num_param == 0) 1504 move_crsr(scp, 0, 0); 1505 else if (scp->term.num_param == 2) 1506 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1507 break; 1508 1509 case 'J': /* Clear all or part of display */ 1510 if (scp->term.num_param == 0) 1511 n = 0; 1512 else 1513 n = scp->term.param[0]; 1514 switch (n) { 1515 case 0: /* clear form cursor to end of display */ 1516 fillw(scp->term.cur_color | scr_map[0x20], 1517 scp->cursor_pos, 1518 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1519 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1520 mark_for_update(scp, scp->xsize * scp->ysize); 1521 break; 1522 case 1: /* clear from beginning of display to cursor */ 1523 fillw(scp->term.cur_color | scr_map[0x20], 1524 scp->scr_buf, 1525 scp->cursor_pos - scp->scr_buf); 1526 mark_for_update(scp, 0); 1527 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1528 break; 1529 case 2: /* clear entire display */ 1530 clear_screen(scp); 1531 break; 1532 } 1533 break; 1534 1535 case 'K': /* Clear all or part of line */ 1536 if (scp->term.num_param == 0) 1537 n = 0; 1538 else 1539 n = scp->term.param[0]; 1540 switch (n) { 1541 case 0: /* clear form cursor to end of line */ 1542 fillw(scp->term.cur_color | scr_map[0x20], 1543 scp->cursor_pos, 1544 scp->xsize - scp->xpos); 1545 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1546 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1547 scp->xsize - scp->xpos); 1548 break; 1549 case 1: /* clear from beginning of line to cursor */ 1550 fillw(scp->term.cur_color | scr_map[0x20], 1551 scp->cursor_pos - (scp->xsize - scp->xpos), 1552 (scp->xsize - scp->xpos) + 1); 1553 mark_for_update(scp, scp->ypos * scp->xsize); 1554 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1555 break; 1556 case 2: /* clear entire line */ 1557 fillw(scp->term.cur_color | scr_map[0x20], 1558 scp->cursor_pos - (scp->xsize - scp->xpos), 1559 scp->xsize); 1560 mark_for_update(scp, scp->ypos * scp->xsize); 1561 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1562 break; 1563 } 1564 break; 1565 1566 case 'L': /* Insert n lines */ 1567 n = scp->term.param[0]; if (n < 1) n = 1; 1568 if (n > scp->ysize - scp->ypos) 1569 n = scp->ysize - scp->ypos; 1570 src = scp->scr_buf + scp->ypos * scp->xsize; 1571 dst = src + n * scp->xsize; 1572 count = scp->ysize - (scp->ypos + n); 1573 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1574 fillw(scp->term.cur_color | scr_map[0x20], src, 1575 n * scp->xsize); 1576 mark_for_update(scp, scp->ypos * scp->xsize); 1577 mark_for_update(scp, scp->xsize * scp->ysize); 1578 break; 1579 1580 case 'M': /* Delete n lines */ 1581 n = scp->term.param[0]; if (n < 1) n = 1; 1582 if (n > scp->ysize - scp->ypos) 1583 n = scp->ysize - scp->ypos; 1584 dst = scp->scr_buf + scp->ypos * scp->xsize; 1585 src = dst + n * scp->xsize; 1586 count = scp->ysize - (scp->ypos + n); 1587 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1588 src = dst + count * scp->xsize; 1589 fillw(scp->term.cur_color | scr_map[0x20], src, 1590 n * scp->xsize); 1591 mark_for_update(scp, scp->ypos * scp->xsize); 1592 mark_for_update(scp, scp->xsize * scp->ysize); 1593 break; 1594 1595 case 'P': /* Delete n chars */ 1596 n = scp->term.param[0]; if (n < 1) n = 1; 1597 if (n > scp->xsize - scp->xpos) 1598 n = scp->xsize - scp->xpos; 1599 dst = scp->cursor_pos; 1600 src = dst + n; 1601 count = scp->xsize - (scp->xpos + n); 1602 bcopyw(src, dst, count * sizeof(u_short)); 1603 src = dst + count; 1604 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1605 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1606 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1607 break; 1608 1609 case '@': /* Insert n chars */ 1610 n = scp->term.param[0]; if (n < 1) n = 1; 1611 if (n > scp->xsize - scp->xpos) 1612 n = scp->xsize - scp->xpos; 1613 src = scp->cursor_pos; 1614 dst = src + n; 1615 count = scp->xsize - (scp->xpos + n); 1616 bcopyw(src, dst, count * sizeof(u_short)); 1617 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1618 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1619 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1620 break; 1621 1622 case 'S': /* scroll up n lines */ 1623 n = scp->term.param[0]; if (n < 1) n = 1; 1624 if (n > scp->ysize) 1625 n = scp->ysize; 1626 bcopyw(scp->scr_buf + (scp->xsize * n), 1627 scp->scr_buf, 1628 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1629 fillw(scp->term.cur_color | scr_map[0x20], 1630 scp->scr_buf + scp->xsize * (scp->ysize - n), 1631 scp->xsize * n); 1632 mark_all(scp); 1633 break; 1634 1635 case 'T': /* scroll down n lines */ 1636 n = scp->term.param[0]; if (n < 1) n = 1; 1637 if (n > scp->ysize) 1638 n = scp->ysize; 1639 bcopyw(scp->scr_buf, 1640 scp->scr_buf + (scp->xsize * n), 1641 scp->xsize * (scp->ysize - n) * 1642 sizeof(u_short)); 1643 fillw(scp->term.cur_color | scr_map[0x20], 1644 scp->scr_buf, scp->xsize * n); 1645 mark_all(scp); 1646 break; 1647 1648 case 'X': /* erase n characters in line */ 1649 n = scp->term.param[0]; if (n < 1) n = 1; 1650 if (n > scp->xsize - scp->xpos) 1651 n = scp->xsize - scp->xpos; 1652 fillw(scp->term.cur_color | scr_map[0x20], 1653 scp->scr_buf + scp->xpos + 1654 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1655 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1656 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1657 break; 1658 1659 case 'Z': /* move n tabs backwards */ 1660 n = scp->term.param[0]; if (n < 1) n = 1; 1661 if ((i = scp->xpos & 0xf8) == scp->xpos) 1662 i -= 8*n; 1663 else 1664 i -= 8*(n-1); 1665 if (i < 0) 1666 i = 0; 1667 move_crsr(scp, i, scp->ypos); 1668 break; 1669 1670 case '`': /* move cursor to column n */ 1671 n = scp->term.param[0]; if (n < 1) n = 1; 1672 move_crsr(scp, n - 1, scp->ypos); 1673 break; 1674 1675 case 'a': /* move cursor n columns to the right */ 1676 n = scp->term.param[0]; if (n < 1) n = 1; 1677 move_crsr(scp, scp->xpos + n, scp->ypos); 1678 break; 1679 1680 case 'd': /* move cursor to row n */ 1681 n = scp->term.param[0]; if (n < 1) n = 1; 1682 move_crsr(scp, scp->xpos, n - 1); 1683 break; 1684 1685 case 'e': /* move cursor n rows down */ 1686 n = scp->term.param[0]; if (n < 1) n = 1; 1687 move_crsr(scp, scp->xpos, scp->ypos + n); 1688 break; 1689 1690 case 'm': /* change attribute */ 1691 if (scp->term.num_param == 0) { 1692 scp->term.attr_mask = NORMAL_ATTR; 1693 scp->term.cur_attr = 1694 scp->term.cur_color = scp->term.std_color; 1695 break; 1696 } 1697 for (i = 0; i < scp->term.num_param; i++) { 1698 switch (n = scp->term.param[i]) { 1699 case 0: /* back to normal */ 1700 scp->term.attr_mask = NORMAL_ATTR; 1701 scp->term.cur_attr = 1702 scp->term.cur_color = scp->term.std_color; 1703 break; 1704 case 1: /* bold */ 1705 scp->term.attr_mask |= BOLD_ATTR; 1706 scp->term.cur_attr = mask2attr(&scp->term); 1707 break; 1708 case 4: /* underline */ 1709 scp->term.attr_mask |= UNDERLINE_ATTR; 1710 scp->term.cur_attr = mask2attr(&scp->term); 1711 break; 1712 case 5: /* blink */ 1713 scp->term.attr_mask |= BLINK_ATTR; 1714 scp->term.cur_attr = mask2attr(&scp->term); 1715 break; 1716 case 7: /* reverse video */ 1717 scp->term.attr_mask |= REVERSE_ATTR; 1718 scp->term.cur_attr = mask2attr(&scp->term); 1719 break; 1720 case 30: case 31: /* set fg color */ 1721 case 32: case 33: case 34: 1722 case 35: case 36: case 37: 1723 scp->term.attr_mask |= FOREGROUND_CHANGED; 1724 scp->term.cur_color = 1725 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 1726 scp->term.cur_attr = mask2attr(&scp->term); 1727 break; 1728 case 40: case 41: /* set bg color */ 1729 case 42: case 43: case 44: 1730 case 45: case 46: case 47: 1731 scp->term.attr_mask |= BACKGROUND_CHANGED; 1732 scp->term.cur_color = 1733 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 1734 scp->term.cur_attr = mask2attr(&scp->term); 1735 break; 1736 } 1737 } 1738 break; 1739 1740 case 'x': 1741 if (scp->term.num_param == 0) 1742 n = 0; 1743 else 1744 n = scp->term.param[0]; 1745 switch (n) { 1746 case 0: /* reset attributes */ 1747 scp->term.attr_mask = NORMAL_ATTR; 1748 scp->term.cur_attr = 1749 scp->term.cur_color = scp->term.std_color = 1750 current_default->std_color; 1751 scp->term.rev_color = current_default->rev_color; 1752 break; 1753 case 1: /* set ansi background */ 1754 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1755 scp->term.cur_color = scp->term.std_color = 1756 (scp->term.std_color & 0x0F00) | 1757 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1758 scp->term.cur_attr = mask2attr(&scp->term); 1759 break; 1760 case 2: /* set ansi foreground */ 1761 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1762 scp->term.cur_color = scp->term.std_color = 1763 (scp->term.std_color & 0xF000) | 1764 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1765 scp->term.cur_attr = mask2attr(&scp->term); 1766 break; 1767 case 3: /* set ansi attribute directly */ 1768 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 1769 scp->term.cur_color = scp->term.std_color = 1770 (scp->term.param[1]&0xFF)<<8; 1771 scp->term.cur_attr = mask2attr(&scp->term); 1772 break; 1773 case 5: /* set ansi reverse video background */ 1774 scp->term.rev_color = 1775 (scp->term.rev_color & 0x0F00) | 1776 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1777 scp->term.cur_attr = mask2attr(&scp->term); 1778 break; 1779 case 6: /* set ansi reverse video foreground */ 1780 scp->term.rev_color = 1781 (scp->term.rev_color & 0xF000) | 1782 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1783 scp->term.cur_attr = mask2attr(&scp->term); 1784 break; 1785 case 7: /* set ansi reverse video directly */ 1786 scp->term.rev_color = 1787 (scp->term.param[1]&0xFF)<<8; 1788 scp->term.cur_attr = mask2attr(&scp->term); 1789 break; 1790 } 1791 break; 1792 1793 case 'z': /* switch to (virtual) console n */ 1794 if (scp->term.num_param == 1) 1795 switch_scr(scp, scp->term.param[0]); 1796 break; 1797 } 1798 } 1799 else if (scp->term.esc == 3) { 1800 if (c >= '0' && c <= '9') { 1801 if (scp->term.num_param < MAX_ESC_PAR) { 1802 if (scp->term.last_param != scp->term.num_param) { 1803 scp->term.last_param = scp->term.num_param; 1804 scp->term.param[scp->term.num_param] = 0; 1805 } 1806 else 1807 scp->term.param[scp->term.num_param] *= 10; 1808 scp->term.param[scp->term.num_param] += c - '0'; 1809 return; 1810 } 1811 } 1812 scp->term.num_param = scp->term.last_param + 1; 1813 switch (c) { 1814 1815 case ';': 1816 if (scp->term.num_param < MAX_ESC_PAR) 1817 return; 1818 break; 1819 1820 case 'A': /* set display border color */ 1821 if (scp->term.num_param == 1) 1822 scp->border=scp->term.param[0] & 0xff; 1823 if (scp == cur_console) 1824 set_border(scp->border); 1825 break; 1826 1827 case 'B': /* set bell pitch and duration */ 1828 if (scp->term.num_param == 2) { 1829 scp->bell_pitch = scp->term.param[0]; 1830 scp->bell_duration = scp->term.param[1]*10; 1831 } 1832 break; 1833 1834 case 'C': /* set cursor type & shape */ 1835 if (scp->term.num_param == 1) { 1836 if (scp->term.param[0] & 0x01) 1837 configuration |= BLINK_CURSOR; 1838 else 1839 configuration &= ~BLINK_CURSOR; 1840 if (scp->term.param[0] & 0x02) { 1841 configuration |= CHAR_CURSOR; 1842 set_destructive_cursor(scp, TRUE); 1843 } else 1844 configuration &= ~CHAR_CURSOR; 1845 } 1846 else if (scp->term.num_param == 2) { 1847 scp->cursor_start = scp->term.param[0] & 0x1F; 1848 scp->cursor_end = scp->term.param[1] & 0x1F; 1849 if (configuration & CHAR_CURSOR) 1850 set_destructive_cursor(scp, TRUE); 1851 } 1852 break; 1853 1854 case 'F': /* set ansi foreground */ 1855 if (scp->term.num_param == 1) { 1856 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1857 scp->term.cur_color = scp->term.std_color = 1858 (scp->term.std_color & 0xF000) 1859 | ((scp->term.param[0] & 0x0F) << 8); 1860 scp->term.cur_attr = mask2attr(&scp->term); 1861 } 1862 break; 1863 1864 case 'G': /* set ansi background */ 1865 if (scp->term.num_param == 1) { 1866 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1867 scp->term.cur_color = scp->term.std_color = 1868 (scp->term.std_color & 0x0F00) 1869 | ((scp->term.param[0] & 0x0F) << 12); 1870 scp->term.cur_attr = mask2attr(&scp->term); 1871 } 1872 break; 1873 1874 case 'H': /* set ansi reverse video foreground */ 1875 if (scp->term.num_param == 1) { 1876 scp->term.rev_color = 1877 (scp->term.rev_color & 0xF000) 1878 | ((scp->term.param[0] & 0x0F) << 8); 1879 scp->term.cur_attr = mask2attr(&scp->term); 1880 } 1881 break; 1882 1883 case 'I': /* set ansi reverse video background */ 1884 if (scp->term.num_param == 1) { 1885 scp->term.rev_color = 1886 (scp->term.rev_color & 0x0F00) 1887 | ((scp->term.param[0] & 0x0F) << 12); 1888 scp->term.cur_attr = mask2attr(&scp->term); 1889 } 1890 break; 1891 } 1892 } 1893 scp->term.esc = 0; 1894} 1895 1896static inline void 1897draw_cursor(scr_stat *scp, int show) 1898{ 1899 if (show && !(scp->status & CURSOR_SHOWN)) { 1900 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 1901 1902 scp->cursor_saveunder = cursor_image; 1903 if (configuration & CHAR_CURSOR) { 1904 set_destructive_cursor(scp, FALSE); 1905 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 1906 } 1907 else { 1908 if ((cursor_image & 0x7000) == 0x7000) { 1909 cursor_image &= 0x8fff; 1910 if(!(cursor_image & 0x0700)) 1911 cursor_image |= 0x0700; 1912 } else { 1913 cursor_image |= 0x7000; 1914 if ((cursor_image & 0x0700) == 0x0700) 1915 cursor_image &= 0xf0ff; 1916 } 1917 } 1918 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 1919 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1920 scp->status |= CURSOR_SHOWN; 1921 } 1922 if (!show && (scp->status & CURSOR_SHOWN)) { 1923 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 1924 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1925 scp->status &= ~CURSOR_SHOWN; 1926 } 1927} 1928 1929static void 1930ansi_put(scr_stat *scp, u_char *buf, int len) 1931{ 1932 u_char *ptr = buf; 1933 1934 if (scp->status & UNKNOWN_MODE) 1935 return; 1936 1937 /* make screensaver happy */ 1938 if (scp == cur_console) { 1939 scrn_time_stamp = time.tv_sec; 1940 if (scrn_blanked) { 1941 (*current_saver)(FALSE); 1942 cur_console->start = 0; 1943 cur_console->end = cur_console->xsize * cur_console->ysize; 1944 } 1945 } 1946 write_in_progress++; 1947outloop: 1948 if (scp->term.esc) { 1949 scan_esc(scp, *ptr++); 1950 len--; 1951 } 1952 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1953 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1954 u_short cur_attr = scp->term.cur_attr; 1955 u_short *cursor_pos = scp->cursor_pos; 1956 do { 1957 /* 1958 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 1959 * pointers in the following to volatile should have no effect, 1960 * but in fact speeds up this inner loop from 26 to 18 cycles 1961 * (+ cache misses) on i486's. 1962 */ 1963#define UCVP(ucp) ((u_char volatile *)(ucp)) 1964 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 1965 ptr++; 1966 cnt--; 1967 } while (cnt && PRINTABLE(*ptr)); 1968 len -= (cursor_pos - scp->cursor_pos); 1969 scp->xpos += (cursor_pos - scp->cursor_pos); 1970 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1971 mark_for_update(scp, cursor_pos - scp->scr_buf); 1972 scp->cursor_pos = cursor_pos; 1973 if (scp->xpos >= scp->xsize) { 1974 scp->xpos = 0; 1975 scp->ypos++; 1976 } 1977 } 1978 else { 1979 switch(*ptr) { 1980 case 0x07: 1981 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1982 break; 1983 1984 case 0x08: /* non-destructive backspace */ 1985 if (scp->cursor_pos > scp->scr_buf) { 1986 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1987 scp->cursor_pos--; 1988 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1989 if (scp->xpos > 0) 1990 scp->xpos--; 1991 else { 1992 scp->xpos += scp->xsize - 1; 1993 scp->ypos--; 1994 } 1995 } 1996 break; 1997 1998 case 0x09: /* non-destructive tab */ 1999 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2000 scp->cursor_pos += (8 - scp->xpos % 8u); 2001 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2002 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 2003 scp->xpos = 0; 2004 scp->ypos++; 2005 } 2006 break; 2007 2008 case 0x0a: /* newline, same pos */ 2009 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2010 scp->cursor_pos += scp->xsize; 2011 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2012 scp->ypos++; 2013 break; 2014 2015 case 0x0c: /* form feed, clears screen */ 2016 clear_screen(scp); 2017 break; 2018 2019 case 0x0d: /* return, return to pos 0 */ 2020 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2021 scp->cursor_pos -= scp->xpos; 2022 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2023 scp->xpos = 0; 2024 break; 2025 2026 case 0x1b: /* start escape sequence */ 2027 scp->term.esc = 1; 2028 scp->term.num_param = 0; 2029 break; 2030 } 2031 ptr++; len--; 2032 } 2033 /* do we have to scroll ?? */ 2034 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2035 if (scp->history) { 2036 bcopyw(scp->scr_buf, scp->history_head, 2037 scp->xsize * sizeof(u_short)); 2038 scp->history_head += scp->xsize; 2039 if (scp->history_head + scp->xsize > 2040 scp->history + scp->history_size) 2041 scp->history_head = scp->history; 2042 } 2043 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 2044 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2045 fillw(scp->term.cur_color | scr_map[0x20], 2046 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2047 scp->xsize); 2048 scp->cursor_pos -= scp->xsize; 2049 scp->ypos--; 2050 mark_all(scp); 2051 } 2052 if (len) 2053 goto outloop; 2054 write_in_progress--; 2055 if (delayed_next_scr) 2056 switch_scr(scp, delayed_next_scr - 1); 2057} 2058 2059static void 2060scinit(void) 2061{ 2062 u_short volatile *cp; 2063 u_short was; 2064 unsigned hw_cursor; 2065 int i; 2066 2067 if (init_done) 2068 return; 2069 init_done = TRUE; 2070 /* 2071 * Finish defaulting crtc variables for a mono screen. Crtat is a 2072 * bogus common variable so that it can be shared with pcvt, so it 2073 * can't be statically initialized. XXX. 2074 */ 2075 Crtat = (u_short *)MONO_BUF; 2076 /* 2077 * If CGA memory seems to work, switch to color. 2078 */ 2079 cp = (u_short *)CGA_BUF; 2080 was = *cp; 2081 *cp = (u_short) 0xA55A; 2082 if (*cp == 0xA55A) { 2083 Crtat = (u_short *)cp; 2084 crtc_addr = COLOR_BASE; 2085 } 2086 *cp = was; 2087 2088 /* 2089 * Ensure a zero start address. This is mainly to recover after 2090 * switching from pcvt using userconfig(). The registers are w/o 2091 * for old hardware so it's too hard to relocate the active screen 2092 * memory. 2093 */ 2094 outb(crtc_addr, 12); 2095 outb(crtc_addr + 1, 0); 2096 outb(crtc_addr, 13); 2097 outb(crtc_addr + 1, 0); 2098 2099 /* extract cursor location */ 2100 outb(crtc_addr, 14); 2101 hw_cursor = inb(crtc_addr + 1) << 8; 2102 outb(crtc_addr, 15); 2103 hw_cursor |= inb(crtc_addr + 1); 2104 2105 /* move hardware cursor out of the way */ 2106 outb(crtc_addr, 14); 2107 outb(crtc_addr + 1, 0xff); 2108 outb(crtc_addr, 15); 2109 outb(crtc_addr + 1, 0xff); 2110 2111 /* is this a VGA or higher ? */ 2112 outb(crtc_addr, 7); 2113 if (inb(crtc_addr) == 7) { 2114 u_long pa; 2115 u_long segoff; 2116 2117 crtc_vga = TRUE; 2118 /* 2119 * Get the BIOS video mode pointer. 2120 */ 2121 segoff = *(u_long *)pa_to_va(0x4a8); 2122 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2123 if (ISMAPPED(pa, sizeof(u_long))) { 2124 segoff = *(u_long *)pa_to_va(pa); 2125 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2126 if (ISMAPPED(pa, 64)) 2127 video_mode_ptr = (char *)pa_to_va(pa); 2128 } 2129 } 2130 current_default = &user_default; 2131 console[0] = &main_console; 2132 init_scp(console[0]); 2133 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2134 console[0]->cursor_pos = Crtat + hw_cursor; 2135 console[0]->xpos = hw_cursor % COL; 2136 console[0]->ypos = hw_cursor / COL; 2137 cur_console = console[0]; 2138 for (i=1; i<MAXCONS; i++) 2139 console[i] = NULL; 2140 kernel_console.esc = 0; 2141 kernel_console.attr_mask = NORMAL_ATTR; 2142 kernel_console.cur_attr = 2143 kernel_console.cur_color = kernel_console.std_color = 2144 kernel_default.std_color; 2145 kernel_console.rev_color = kernel_default.rev_color; 2146 /* initialize mapscrn array to a one to one map */ 2147 for (i=0; i<sizeof(scr_map); i++) 2148 scr_map[i] = i; 2149} 2150 2151static scr_stat 2152*alloc_scp() 2153{ 2154 scr_stat *scp; 2155 2156 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2157 init_scp(scp); 2158 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 2159 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2160 M_DEVBUF, M_WAITOK); 2161 scp->history_head = scp->history_pos = scp->history = 2162 (u_short *)malloc(scp->history_size*sizeof(u_short), 2163 M_DEVBUF, M_WAITOK); 2164 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2165 if (crtc_vga && video_mode_ptr) 2166 set_mode(scp); 2167 clear_screen(scp); 2168 return scp; 2169} 2170 2171static void 2172init_scp(scr_stat *scp) 2173{ 2174 scp->mode = M_VGA_C80x25; 2175 scp->font = FONT_16; 2176 scp->xsize = COL; 2177 scp->ysize = ROW; 2178 scp->start = COL * ROW; 2179 scp->end = 0; 2180 scp->term.esc = 0; 2181 scp->term.attr_mask = NORMAL_ATTR; 2182 scp->term.cur_attr = 2183 scp->term.cur_color = scp->term.std_color = 2184 current_default->std_color; 2185 scp->term.rev_color = current_default->rev_color; 2186 scp->border = BG_BLACK; 2187 scp->cursor_start = *(char *)pa_to_va(0x461); 2188 scp->cursor_end = *(char *)pa_to_va(0x460); 2189 scp->mouse_xpos = scp->mouse_ypos = 0; 2190 scp->bell_pitch = BELL_PITCH; 2191 scp->bell_duration = BELL_DURATION; 2192 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2193 scp->status |= CURSOR_ENABLED; 2194 scp->pid = 0; 2195 scp->proc = NULL; 2196 scp->smode.mode = VT_AUTO; 2197 scp->history_head = scp->history_pos = scp->history = NULL; 2198 scp->history_size = HISTORY_SIZE; 2199} 2200 2201static u_char 2202*get_fstr(u_int c, u_int *len) 2203{ 2204 u_int i; 2205 2206 if (!(c & FKEY)) 2207 return(NULL); 2208 i = (c & 0xFF) - F_FN; 2209 if (i > n_fkey_tab) 2210 return(NULL); 2211 *len = fkey_tab[i].len; 2212 return(fkey_tab[i].str); 2213} 2214 2215static void 2216update_leds(int which) 2217{ 2218 int s; 2219 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2220 2221 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2222 if (key_map.n_keys > ALTGR_OFFSET) { 2223 if (which & ALKED) 2224 which |= CLKED; 2225 else 2226 which &= ~CLKED; 2227 } 2228 s = spltty(); 2229 kbd_cmd(KB_SETLEDS); 2230 kbd_cmd(xlate_leds[which & LED_MASK]); 2231 splx(s); 2232} 2233 2234static void 2235history_to_screen(scr_stat *scp) 2236{ 2237 int i; 2238 2239 for (i=0; i<scp->ysize; i++) 2240 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2241 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2242 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2243 scp->xsize * sizeof(u_short)); 2244 mark_all(scp); 2245} 2246 2247static int 2248history_up_line(scr_stat *scp) 2249{ 2250 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2251 scp->history_head) { 2252 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2253 history_to_screen(scp); 2254 return 0; 2255 } 2256 else 2257 return -1; 2258} 2259 2260static int 2261history_down_line(scr_stat *scp) 2262{ 2263 if (scp->history_pos != scp->history_head) { 2264 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2265 history_to_screen(scp); 2266 return 0; 2267 } 2268 else 2269 return -1; 2270} 2271 2272/* 2273 * scgetc(noblock) - get character from keyboard. 2274 * If noblock = 0 wait until a key is pressed. 2275 * Else return NOKEY. 2276 */ 2277u_int 2278scgetc(int noblock) 2279{ 2280 u_char scancode, keycode; 2281 u_int state, action; 2282 struct key_t *key; 2283 static u_char esc_flag = 0, compose = 0; 2284 static u_int chr = 0; 2285 2286next_code: 2287 kbd_wait(); 2288 /* First see if there is something in the keyboard port */ 2289 if (inb(KB_STAT) & KB_BUF_FULL) 2290 scancode = inb(KB_DATA); 2291 else if (noblock) 2292 return(NOKEY); 2293 else 2294 goto next_code; 2295 2296 add_keyboard_randomness(scancode); 2297 2298 if (cur_console->status & KBD_RAW_MODE) 2299 return scancode; 2300#if ASYNCH 2301 if (scancode == KB_ACK || scancode == KB_RESEND) { 2302 kbd_reply = scancode; 2303 if (noblock) 2304 return(NOKEY); 2305 goto next_code; 2306 } 2307#endif 2308 keycode = scancode & 0x7F; 2309 switch (esc_flag) { 2310 case 0x00: /* normal scancode */ 2311 switch(scancode) { 2312 case 0xB8: /* left alt (compose key) */ 2313 if (compose) { 2314 compose = 0; 2315 if (chr > 255) { 2316 do_bell(cur_console, 2317 BELL_PITCH, BELL_DURATION); 2318 chr = 0; 2319 } 2320 } 2321 break; 2322 case 0x38: 2323 if (!compose) { 2324 compose = 1; 2325 chr = 0; 2326 } 2327 break; 2328 case 0xE0: 2329 case 0xE1: 2330 esc_flag = scancode; 2331 goto next_code; 2332 } 2333 break; 2334 case 0xE0: /* 0xE0 prefix */ 2335 esc_flag = 0; 2336 switch (keycode) { 2337 case 0x1C: /* right enter key */ 2338 keycode = 0x59; 2339 break; 2340 case 0x1D: /* right ctrl key */ 2341 keycode = 0x5A; 2342 break; 2343 case 0x35: /* keypad divide key */ 2344 keycode = 0x5B; 2345 break; 2346 case 0x37: /* print scrn key */ 2347 keycode = 0x5C; 2348 break; 2349 case 0x38: /* right alt key (alt gr) */ 2350 keycode = 0x5D; 2351 break; 2352 case 0x47: /* grey home key */ 2353 keycode = 0x5E; 2354 break; 2355 case 0x48: /* grey up arrow key */ 2356 keycode = 0x5F; 2357 break; 2358 case 0x49: /* grey page up key */ 2359 keycode = 0x60; 2360 break; 2361 case 0x4B: /* grey left arrow key */ 2362 keycode = 0x61; 2363 break; 2364 case 0x4D: /* grey right arrow key */ 2365 keycode = 0x62; 2366 break; 2367 case 0x4F: /* grey end key */ 2368 keycode = 0x63; 2369 break; 2370 case 0x50: /* grey down arrow key */ 2371 keycode = 0x64; 2372 break; 2373 case 0x51: /* grey page down key */ 2374 keycode = 0x65; 2375 break; 2376 case 0x52: /* grey insert key */ 2377 keycode = 0x66; 2378 break; 2379 case 0x53: /* grey delete key */ 2380 keycode = 0x67; 2381 break; 2382 2383 /* the following 3 are only used on the MS "Natural" keyboard */ 2384 case 0x5b: /* left Window key */ 2385 keycode = 0x69; 2386 break; 2387 case 0x5c: /* right Window key */ 2388 keycode = 0x6a; 2389 break; 2390 case 0x5d: /* menu key */ 2391 keycode = 0x6b; 2392 break; 2393 default: /* ignore everything else */ 2394 goto next_code; 2395 } 2396 break; 2397 case 0xE1: /* 0xE1 prefix */ 2398 esc_flag = 0; 2399 if (keycode == 0x1D) 2400 esc_flag = 0x1D; 2401 goto next_code; 2402 /* NOT REACHED */ 2403 case 0x1D: /* pause / break */ 2404 esc_flag = 0; 2405 if (keycode != 0x45) 2406 goto next_code; 2407 keycode = 0x68; 2408 break; 2409 } 2410 2411 /* if scroll-lock pressed allow history browsing */ 2412 if (cur_console->history && cur_console->status & SLKED) { 2413 int i; 2414 2415 cur_console->status &= ~CURSOR_ENABLED; 2416 if (!(cur_console->status & BUFFER_SAVED)) { 2417 cur_console->status |= BUFFER_SAVED; 2418 cur_console->history_save = cur_console->history_head; 2419 2420 /* copy screen into top of history buffer */ 2421 for (i=0; i<cur_console->ysize; i++) { 2422 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2423 cur_console->history_head, 2424 cur_console->xsize * sizeof(u_short)); 2425 cur_console->history_head += cur_console->xsize; 2426 if (cur_console->history_head + cur_console->xsize > 2427 cur_console->history + cur_console->history_size) 2428 cur_console->history_head=cur_console->history; 2429 } 2430 cur_console->history_pos = cur_console->history_head; 2431 history_to_screen(cur_console); 2432 } 2433 switch (scancode) { 2434 case 0x47: /* home key */ 2435 cur_console->history_pos = cur_console->history_head; 2436 history_to_screen(cur_console); 2437 goto next_code; 2438 2439 case 0x4F: /* end key */ 2440 cur_console->history_pos = 2441 WRAPHIST(cur_console, cur_console->history_head, 2442 cur_console->xsize*cur_console->ysize); 2443 history_to_screen(cur_console); 2444 goto next_code; 2445 2446 case 0x48: /* up arrow key */ 2447 if (history_up_line(cur_console)) 2448 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2449 goto next_code; 2450 2451 case 0x50: /* down arrow key */ 2452 if (history_down_line(cur_console)) 2453 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2454 goto next_code; 2455 2456 case 0x49: /* page up key */ 2457 for (i=0; i<cur_console->ysize; i++) 2458 if (history_up_line(cur_console)) { 2459 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2460 break; 2461 } 2462 goto next_code; 2463 2464 case 0x51: /* page down key */ 2465 for (i=0; i<cur_console->ysize; i++) 2466 if (history_down_line(cur_console)) { 2467 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2468 break; 2469 } 2470 goto next_code; 2471 } 2472 } 2473 2474 if (compose) { 2475 switch (scancode) { 2476 /* key pressed process it */ 2477 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2478 chr = (scancode - 0x40) + chr*10; 2479 goto next_code; 2480 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2481 chr = (scancode - 0x47) + chr*10; 2482 goto next_code; 2483 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2484 chr = (scancode - 0x4E) + chr*10; 2485 goto next_code; 2486 case 0x52: /* keypad 0 */ 2487 chr *= 10; 2488 goto next_code; 2489 2490 /* key release, no interest here */ 2491 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2492 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2493 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2494 case 0xD2: /* keypad 0 */ 2495 goto next_code; 2496 2497 case 0x38: /* left alt key */ 2498 break; 2499 default: 2500 if (chr) { 2501 compose = chr = 0; 2502 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2503 goto next_code; 2504 } 2505 break; 2506 } 2507 } 2508 2509 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2510 if ((!agrs && (cur_console->status & ALKED)) 2511 || (agrs && !(cur_console->status & ALKED))) 2512 keycode += ALTGR_OFFSET; 2513 key = &key_map.key[keycode]; 2514 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2515 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2516 state ^= 1; 2517 2518 /* Check for make/break */ 2519 action = key->map[state]; 2520 if (scancode & 0x80) { /* key released */ 2521 if (key->spcl & 0x80) { 2522 switch (action) { 2523 case LSH: 2524 shfts &= ~1; 2525 break; 2526 case RSH: 2527 shfts &= ~2; 2528 break; 2529 case LCTR: 2530 ctls &= ~1; 2531 break; 2532 case RCTR: 2533 ctls &= ~2; 2534 break; 2535 case LALT: 2536 alts &= ~1; 2537 break; 2538 case RALT: 2539 alts &= ~2; 2540 break; 2541 case NLK: 2542 nlkcnt = 0; 2543 break; 2544 case CLK: 2545 clkcnt = 0; 2546 break; 2547 case SLK: 2548 slkcnt = 0; 2549 break; 2550 case ASH: 2551 agrs = 0; 2552 break; 2553 case ALK: 2554 alkcnt = 0; 2555 break; 2556 case META: 2557 metas = 0; 2558 break; 2559 } 2560 } 2561 if (chr && !compose) { 2562 action = chr; 2563 chr = 0; 2564 return(action); 2565 } 2566 } else { 2567 /* key pressed */ 2568 if (key->spcl & (0x80>>state)) { 2569 switch (action) { 2570 /* LOCKING KEYS */ 2571 case NLK: 2572 if (!nlkcnt) { 2573 nlkcnt++; 2574 if (cur_console->status & NLKED) 2575 cur_console->status &= ~NLKED; 2576 else 2577 cur_console->status |= NLKED; 2578 update_leds(cur_console->status); 2579 } 2580 break; 2581 case CLK: 2582 if (!clkcnt) { 2583 clkcnt++; 2584 if (cur_console->status & CLKED) 2585 cur_console->status &= ~CLKED; 2586 else 2587 cur_console->status |= CLKED; 2588 update_leds(cur_console->status); 2589 } 2590 break; 2591 case SLK: 2592 if (!slkcnt) { 2593 slkcnt++; 2594 if (cur_console->status & SLKED) { 2595 cur_console->status &= ~SLKED; 2596 if (cur_console->status & BUFFER_SAVED){ 2597 int i; 2598 u_short *ptr = cur_console->history_save; 2599 2600 for (i=0; i<cur_console->ysize; i++) { 2601 bcopyw(ptr, 2602 cur_console->scr_buf + 2603 (cur_console->xsize*i), 2604 cur_console->xsize * sizeof(u_short)); 2605 ptr += cur_console->xsize; 2606 if (ptr + cur_console->xsize > 2607 cur_console->history + 2608 cur_console->history_size) 2609 ptr = cur_console->history; 2610 } 2611 cur_console->status &= ~BUFFER_SAVED; 2612 cur_console->history_head=cur_console->history_save; 2613 cur_console->status |= CURSOR_ENABLED; 2614 mark_all(cur_console); 2615 } 2616 scstart(VIRTUAL_TTY(get_scr_num())); 2617 } 2618 else 2619 cur_console->status |= SLKED; 2620 update_leds(cur_console->status); 2621 } 2622 break; 2623 case ALK: 2624 if (!alkcnt) { 2625 alkcnt++; 2626 if (cur_console->status & ALKED) 2627 cur_console->status &= ~ALKED; 2628 else 2629 cur_console->status |= ALKED; 2630 update_leds(cur_console->status); 2631 } 2632 break; 2633 2634 /* NON-LOCKING KEYS */ 2635 case NOP: 2636 break; 2637 case RBT: 2638 shutdown_nice(); 2639 break; 2640 case SUSP: 2641#if NAPM > 0 2642 apm_suspend(); 2643#endif 2644 break; 2645 2646 case DBG: 2647#ifdef DDB /* try to switch to console 0 */ 2648 if (cur_console->smode.mode == VT_AUTO && 2649 console[0]->smode.mode == VT_AUTO) 2650 switch_scr(cur_console, 0); 2651 Debugger("manual escape to debugger"); 2652 return(NOKEY); 2653#else 2654 printf("No debugger in kernel\n"); 2655#endif 2656 break; 2657 case LSH: 2658 shfts |= 1; 2659 break; 2660 case RSH: 2661 shfts |= 2; 2662 break; 2663 case LCTR: 2664 ctls |= 1; 2665 break; 2666 case RCTR: 2667 ctls |= 2; 2668 break; 2669 case LALT: 2670 alts |= 1; 2671 break; 2672 case RALT: 2673 alts |= 2; 2674 break; 2675 case ASH: 2676 agrs = 1; 2677 break; 2678 case META: 2679 metas = 1; 2680 break; 2681 case NEXT: 2682 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2683 break; 2684 case BTAB: 2685 return(BKEY); 2686 default: 2687 if (action >= F_SCR && action <= L_SCR) { 2688 switch_scr(cur_console, action - F_SCR); 2689 break; 2690 } 2691 if (action >= F_FN && action <= L_FN) 2692 action |= FKEY; 2693 return(action); 2694 } 2695 } 2696 else { 2697 if (metas) 2698 action |= MKEY; 2699 return(action); 2700 } 2701 } 2702 goto next_code; 2703} 2704 2705int 2706scmmap(dev_t dev, int offset, int nprot) 2707{ 2708 if (offset > 0x20000 - PAGE_SIZE) 2709 return -1; 2710 return i386_btop((VIDEOMEM + offset)); 2711} 2712 2713static void 2714kbd_wait(void) 2715{ 2716 int i = 1000; 2717 2718 while (i--) { 2719 if ((inb(KB_STAT) & KB_READY) == 0) 2720 break; 2721 DELAY (10); 2722 } 2723} 2724 2725static void 2726kbd_cmd(u_char command) 2727{ 2728 int retry = 5; 2729 do { 2730 int i = 100000; 2731 2732 kbd_wait(); 2733#if ASYNCH 2734 kbd_reply = 0; 2735 outb(KB_DATA, command); 2736 while (i--) { 2737 if (kbd_reply == KB_ACK) 2738 return; 2739 if (kbd_reply == KB_RESEND) 2740 break; 2741 } 2742#else 2743 outb(KB_DATA, command); 2744 while (i--) { 2745 if (inb(KB_STAT) & KB_BUF_FULL) { 2746 int val; 2747 DELAY(10); 2748 val = inb(KB_DATA); 2749 if (val == KB_ACK) 2750 return; 2751 if (val == KB_RESEND) 2752 break; 2753 } 2754 } 2755#endif 2756 } while (retry--); 2757} 2758 2759static void 2760set_mode(scr_stat *scp) 2761{ 2762 char *modetable; 2763 char special_modetable[64]; 2764 int font_size; 2765 2766 if (scp != cur_console) 2767 return; 2768 2769 /* setup video hardware for the given mode */ 2770 switch (scp->mode) { 2771 case M_VGA_M80x60: 2772 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2773 goto special_80x60; 2774 2775 case M_VGA_C80x60: 2776 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2777special_80x60: 2778 special_modetable[2] = 0x08; 2779 special_modetable[19] = 0x47; 2780 goto special_480l; 2781 2782 case M_VGA_M80x30: 2783 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2784 goto special_80x30; 2785 2786 case M_VGA_C80x30: 2787 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2788special_80x30: 2789 special_modetable[19] = 0x4f; 2790special_480l: 2791 special_modetable[9] |= 0xc0; 2792 special_modetable[16] = 0x08; 2793 special_modetable[17] = 0x3e; 2794 special_modetable[26] = 0xea; 2795 special_modetable[28] = 0xdf; 2796 special_modetable[31] = 0xe7; 2797 special_modetable[32] = 0x04; 2798 modetable = special_modetable; 2799 goto setup_mode; 2800 2801 case M_ENH_B80x43: 2802 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2803 goto special_80x43; 2804 2805 case M_ENH_C80x43: 2806 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2807special_80x43: 2808 special_modetable[28] = 87; 2809 goto special_80x50; 2810 2811 case M_VGA_M80x50: 2812 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2813 goto special_80x50; 2814 2815 case M_VGA_C80x50: 2816 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2817special_80x50: 2818 special_modetable[2] = 8; 2819 special_modetable[19] = 7; 2820 modetable = special_modetable; 2821 goto setup_mode; 2822 2823 case M_VGA_C40x25: case M_VGA_C80x25: 2824 case M_VGA_M80x25: 2825 case M_B40x25: case M_C40x25: 2826 case M_B80x25: case M_C80x25: 2827 case M_ENH_B40x25: case M_ENH_C40x25: 2828 case M_ENH_B80x25: case M_ENH_C80x25: 2829 2830 modetable = video_mode_ptr + (scp->mode * 64); 2831setup_mode: 2832 set_vgaregs(modetable); 2833 font_size = *(modetable + 2); 2834 2835 /* set font type (size) */ 2836 switch (font_size) { 2837 case 0x10: 2838 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2839 scp->font = FONT_16; 2840 break; 2841 case 0x0E: 2842 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2843 scp->font = FONT_14; 2844 break; 2845 default: 2846 case 0x08: 2847 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2848 scp->font = FONT_8; 2849 break; 2850 } 2851 if (configuration & CHAR_CURSOR) 2852 set_destructive_cursor(scp, TRUE); 2853 break; 2854 2855 case M_BG320: case M_CG320: case M_BG640: 2856 case M_CG320_D: case M_CG640_E: 2857 case M_CG640x350: case M_ENH_CG640: 2858 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2859 2860 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2861 break; 2862 2863 default: 2864 /* call user defined function XXX */ 2865 break; 2866 } 2867 2868 /* set border color for this (virtual) console */ 2869 set_border(scp->border); 2870 return; 2871} 2872 2873void 2874set_border(int color) 2875{ 2876 inb(crtc_addr+6); /* reset flip-flop */ 2877 outb(ATC, 0x11); outb(ATC, color); 2878 inb(crtc_addr+6); /* reset flip-flop */ 2879 outb(ATC, 0x20); /* enable Palette */ 2880} 2881 2882static void 2883set_vgaregs(char *modetable) 2884{ 2885 int i, s = splhigh(); 2886 2887 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2888 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2889 for (i=0; i<4; i++) { /* program sequencer */ 2890 outb(TSIDX, i+1); 2891 outb(TSREG, modetable[i+5]); 2892 } 2893 outb(MISC, modetable[9]); /* set dot-clock */ 2894 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2895 outb(crtc_addr, 0x11); 2896 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2897 for (i=0; i<25; i++) { /* program crtc */ 2898 outb(crtc_addr, i); 2899 if (i == 14 || i == 15) /* no hardware cursor */ 2900 outb(crtc_addr+1, 0xff); 2901 else 2902 outb(crtc_addr+1, modetable[i+10]); 2903 } 2904 inb(crtc_addr+6); /* reset flip-flop */ 2905 for (i=0; i<20; i++) { /* program attribute ctrl */ 2906 outb(ATC, i); 2907 outb(ATC, modetable[i+35]); 2908 } 2909 for (i=0; i<9; i++) { /* program graph data ctrl */ 2910 outb(GDCIDX, i); 2911 outb(GDCREG, modetable[i+55]); 2912 } 2913 inb(crtc_addr+6); /* reset flip-flop */ 2914 outb(ATC ,0x20); /* enable palette */ 2915 splx(s); 2916} 2917 2918static void 2919set_font_mode() 2920{ 2921 /* setup vga for loading fonts (graphics plane mode) */ 2922 inb(crtc_addr+6); 2923 outb(ATC, 0x30); outb(ATC, 0x01); 2924#if SLOW_VGA 2925 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2926 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2927 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2928 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2929 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2930#else 2931 outw(TSIDX, 0x0402); 2932 outw(TSIDX, 0x0604); 2933 outw(GDCIDX, 0x0204); 2934 outw(GDCIDX, 0x0005); 2935 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2936#endif 2937} 2938 2939static void 2940set_normal_mode() 2941{ 2942 int s = splhigh(); 2943 2944 /* setup vga for normal operation mode again */ 2945 inb(crtc_addr+6); 2946 outb(ATC, 0x30); outb(ATC, 0x0C); 2947#if SLOW_VGA 2948 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2949 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2950 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2951 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2952 if (crtc_addr == MONO_BASE) { 2953 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2954 } 2955 else { 2956 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2957 } 2958#else 2959 outw(TSIDX, 0x0302); 2960 outw(TSIDX, 0x0204); 2961 outw(GDCIDX, 0x0004); 2962 outw(GDCIDX, 0x1005); 2963 if (crtc_addr == MONO_BASE) 2964 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2965 else 2966 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2967#endif 2968 splx(s); 2969} 2970 2971static void 2972copy_font(int operation, int font_type, char* font_image) 2973{ 2974 int ch, line, segment, fontsize; 2975 u_char val; 2976 2977 switch (font_type) { 2978 default: 2979 case FONT_8: 2980 segment = 0x8000; 2981 fontsize = 8; 2982 break; 2983 case FONT_14: 2984 segment = 0x4000; 2985 fontsize = 14; 2986 break; 2987 case FONT_16: 2988 segment = 0x0000; 2989 fontsize = 16; 2990 break; 2991 } 2992 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 2993 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2994 set_font_mode(); 2995 for (ch=0; ch < 256; ch++) 2996 for (line=0; line < fontsize; line++) 2997 if (operation) 2998 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 2999 font_image[(ch*fontsize)+line]; 3000 else 3001 font_image[(ch*fontsize)+line] = 3002 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 3003 set_normal_mode(); 3004 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 3005} 3006 3007static void 3008set_destructive_cursor(scr_stat *scp, int force) 3009{ 3010 u_char cursor[32]; 3011 caddr_t address; 3012 int i, font_size; 3013 char *font_buffer; 3014 static u_char old_saveunder = DEAD_CHAR; 3015 3016 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 3017 return; 3018 old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF; 3019 switch (scp->font) { 3020 default: 3021 case FONT_8: 3022 font_size = 8; 3023 font_buffer = font_8; 3024 address = (caddr_t)VIDEOMEM + 0x8000; 3025 break; 3026 case FONT_14: 3027 font_size = 14; 3028 font_buffer = font_14; 3029 address = (caddr_t)VIDEOMEM + 0x4000; 3030 break; 3031 case FONT_16: 3032 font_size = 16; 3033 font_buffer = font_16; 3034 address = (caddr_t)VIDEOMEM; 3035 break; 3036 } 3037 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 3038 cursor, font_size); 3039 for (i=0; i<32; i++) 3040 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3041 (scp->cursor_start >= font_size && i == font_size - 1)) 3042 cursor[i] |= 0xff; 3043 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3044 set_font_mode(); 3045 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3046 set_normal_mode(); 3047} 3048 3049static void 3050draw_mouse_image(scr_stat *scp) 3051{ 3052 caddr_t address; 3053 int i, font_size; 3054 char *font_buffer; 3055 u_short buffer[32]; 3056 u_short xoffset, yoffset; 3057 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 3058 3059 xoffset = scp->mouse_xpos % 8; 3060 switch (scp->font) { 3061 default: 3062 case FONT_8: 3063 font_size = 8; 3064 font_buffer = font_8; 3065 yoffset = scp->mouse_ypos % 8; 3066 address = (caddr_t)VIDEOMEM + 0x8000; 3067 break; 3068 case FONT_14: 3069 font_size = 14; 3070 font_buffer = font_14; 3071 yoffset = scp->mouse_ypos % 14; 3072 address = (caddr_t)VIDEOMEM + 0x4000; 3073 break; 3074 case FONT_16: 3075 font_size = 16; 3076 font_buffer = font_16; 3077 yoffset = scp->mouse_ypos % 16; 3078 address = (caddr_t)VIDEOMEM; 3079 break; 3080 } 3081 3082 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 3083 &scp->mouse_cursor[0], font_size); 3084 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 3085 &scp->mouse_cursor[32], font_size); 3086 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 3087 &scp->mouse_cursor[64], font_size); 3088 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 3089 &scp->mouse_cursor[96], font_size); 3090 3091 for (i=0; i<font_size; i++) { 3092 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 3093 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 3094 } 3095 for (i=0; i<16; i++) { 3096 buffer[i+yoffset] = 3097 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 3098 | (mouse_or_mask[i] >> xoffset); 3099 } 3100 for (i=0; i<font_size; i++) { 3101 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 3102 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 3103 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 3104 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 3105 } 3106 if (scp->status & UPDATE_MOUSE) { 3107 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 3108 3109 if (crt_pos != scp->mouse_oldpos) { 3110 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 3111 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 3112 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 3113 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 3114 } 3115 scp->mouse_saveunder[0] = *(scp->mouse_pos); 3116 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 3117 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 3118 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 3119 if ((scp->cursor_pos == (ptr)) || 3120 (scp->cursor_pos == (ptr+1)) || 3121 (scp->cursor_pos == (ptr+scp->xsize)) || 3122 (scp->cursor_pos == (ptr+scp->xsize+1)) || 3123 (scp->cursor_pos == (scp->mouse_pos)) || 3124 (scp->cursor_pos == (scp->mouse_pos+1)) || 3125 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 3126 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 3127 scp->status &= ~CURSOR_SHOWN; 3128 } 3129 scp->mouse_oldpos = crt_pos; 3130 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3131 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 3132 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 3133 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 3134 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 3135 set_font_mode(); 3136 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3137 set_normal_mode(); 3138} 3139 3140static void 3141save_palette(void) 3142{ 3143 int i; 3144 3145 outb(PALRADR, 0x00); 3146 for (i=0x00; i<0x300; i++) 3147 palette[i] = inb(PALDATA); 3148 inb(crtc_addr+6); /* reset flip/flop */ 3149} 3150 3151void 3152load_palette(void) 3153{ 3154 int i; 3155 3156 outb(PIXMASK, 0xFF); /* no pixelmask */ 3157 outb(PALWADR, 0x00); 3158 for (i=0x00; i<0x300; i++) 3159 outb(PALDATA, palette[i]); 3160 inb(crtc_addr+6); /* reset flip/flop */ 3161 outb(ATC, 0x20); /* enable palette */ 3162} 3163 3164static void 3165do_bell(scr_stat *scp, int pitch, int duration) 3166{ 3167 if (configuration & VISUAL_BELL) { 3168 if (blink_in_progress) 3169 return; 3170 blink_in_progress = 4; 3171 if (scp != cur_console) 3172 blink_in_progress += 2; 3173 blink_screen(cur_console); 3174 timeout((timeout_func_t)blink_screen, cur_console, hz/10); 3175 } else { 3176 if (scp != cur_console) 3177 pitch *= 2; 3178 sysbeep(pitch, duration); 3179 } 3180} 3181 3182static void 3183blink_screen(scr_stat *scp) 3184{ 3185 if (blink_in_progress > 1) { 3186 if (blink_in_progress & 1) 3187 fillw(kernel_default.std_color | scr_map[0x20], 3188 Crtat, scp->xsize * scp->ysize); 3189 else 3190 fillw(kernel_default.rev_color | scr_map[0x20], 3191 Crtat, scp->xsize * scp->ysize); 3192 blink_in_progress--; 3193 timeout((timeout_func_t)blink_screen, scp, hz/10); 3194 } 3195 else { 3196 blink_in_progress = FALSE; 3197 mark_all(scp); 3198 if (delayed_next_scr) 3199 switch_scr(scp, delayed_next_scr - 1); 3200 } 3201} 3202 3203#endif /* NSC */ 3204