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| ac8faf51 WJ |
1 | /*- |
| 2 | * Copyright (c) 1990 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * William Jolitz and Don Ahn. | |
| 7 | * | |
| 8 | * Redistribution and use in source and binary forms, with or without | |
| 9 | * modification, are permitted provided that the following conditions | |
| 10 | * are met: | |
| 11 | * 1. Redistributions of source code must retain the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer. | |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer in the | |
| 15 | * documentation and/or other materials provided with the distribution. | |
| 16 | * 3. All advertising materials mentioning features or use of this software | |
| 17 | * must display the following acknowledgement: | |
| 18 | * This product includes software developed by the University of | |
| 19 | * California, Berkeley and its contributors. | |
| 20 | * 4. Neither the name of the University nor the names of its contributors | |
| 21 | * may be used to endorse or promote products derived from this software | |
| 22 | * without specific prior written permission. | |
| 23 | * | |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 34 | * SUCH DAMAGE. | |
| 35 | * | |
| 36 | * @(#)pccons.c 5.11 (Berkeley) 5/21/91 | |
| 37 | */ | |
| 38 | static char rcsid[] = "$Header: /usr/bill/working/sys/i386/isa/RCS/pccons.c,v 1.2 92/01/21 14:35:28 william Exp $"; | |
| 39 | ||
| 40 | /* | |
| 41 | * code to work keyboard & display for PC-style console | |
| 42 | */ | |
| 43 | #include "param.h" | |
| 44 | #include "conf.h" | |
| 45 | #include "ioctl.h" | |
| 46 | #include "proc.h" | |
| 47 | #include "user.h" | |
| 48 | #include "tty.h" | |
| 49 | #include "uio.h" | |
| 50 | #include "i386/isa/isa_device.h" | |
| 51 | #include "callout.h" | |
| 52 | #include "systm.h" | |
| 53 | #include "kernel.h" | |
| 54 | #include "syslog.h" | |
| 55 | #include "i386/isa/icu.h" | |
| 56 | #include "i386/i386/cons.h" | |
| 57 | ||
| 58 | struct tty pccons; | |
| 59 | ||
| 60 | struct pcconsoftc { | |
| 61 | char cs_flags; | |
| 62 | #define CSF_ACTIVE 0x1 /* timeout active */ | |
| 63 | #define CSF_POLLING 0x2 /* polling for input */ | |
| 64 | char cs_lastc; /* last char sent */ | |
| 65 | int cs_timo; /* timeouts since interrupt */ | |
| 66 | u_long cs_wedgecnt; /* times restarted */ | |
| 67 | } pcconsoftc; | |
| 68 | ||
| 69 | int pcprobe(), pcattach(); | |
| 70 | ||
| 71 | struct isa_driver pcdriver = { | |
| 72 | pcprobe, pcattach, "pc", | |
| 73 | }; | |
| 74 | ||
| 75 | #define COL 80 | |
| 76 | #define ROW 25 | |
| 77 | #define CHR 2 | |
| 78 | #define MONO_BASE 0x3B4 | |
| 79 | #define MONO_BUF 0xfe0B0000 | |
| 80 | #define CGA_BASE 0x3D4 | |
| 81 | #define CGA_BUF 0xfe0B8000 | |
| 82 | #define IOPHYSMEM 0xA0000 | |
| 83 | ||
| 84 | u_char color = 0xe ; | |
| 85 | static unsigned int addr_6845 = MONO_BASE; | |
| 86 | u_short *Crtat = (u_short *)MONO_BUF; | |
| 87 | static openf; | |
| 88 | ||
| 89 | /* | |
| 90 | * We check the console periodically to make sure | |
| 91 | * that it hasn't wedged. Unfortunately, if an XOFF | |
| 92 | * is typed on the console, that can't be distinguished | |
| 93 | * from more catastrophic failure. | |
| 94 | */ | |
| 95 | #define CN_TIMERVAL (hz) /* frequency at which to check cons */ | |
| 96 | #define CN_TIMO (2*60) /* intervals to allow for output char */ | |
| 97 | ||
| 98 | int pcstart(); | |
| 99 | int pcparam(); | |
| 100 | int ttrstrt(); | |
| 101 | char partab[]; | |
| 102 | ||
| 103 | extern pcopen __P((dev_t, int, int, struct proc *)); | |
| 104 | /* | |
| 105 | * Wait for CP to accept last CP command sent | |
| 106 | * before setting up next command. | |
| 107 | */ | |
| 108 | #define waitforlast(timo) { \ | |
| 109 | if (pclast) { \ | |
| 110 | (timo) = 10000; \ | |
| 111 | do \ | |
| 112 | uncache((char *)&pclast->cp_unit); \ | |
| 113 | while ((pclast->cp_unit&CPTAKE) == 0 && --(timo)); \ | |
| 114 | } \ | |
| 115 | } | |
| 116 | ||
| 117 | u_char inb(); | |
| 118 | ||
| 119 | pcprobe(dev) | |
| 120 | struct isa_device *dev; | |
| 121 | { | |
| 122 | u_char c; | |
| 123 | int again = 0; | |
| 124 | ||
| 125 | /* Enable interrupts and keyboard controller */ | |
| 126 | while (inb(0x64)&2); outb(0x64,0x60); | |
| 127 | while (inb(0x64)&2); outb(0x60,0x4D); | |
| 128 | ||
| 129 | /* Start keyboard stuff RESET */ | |
| 130 | while (inb(0x64)&2); /* wait input ready */ | |
| 131 | outb(0x60,0xFF); /* RESET */ | |
| 132 | while((c=inb(0x60))!=0xFA) { | |
| 133 | if ((c == 0xFE) || (c == 0xFF)) { | |
| 134 | if(!again)printf("KEYBOARD disconnected: RECONNECT \n"); | |
| 135 | while (inb(0x64)&2); /* wait input ready */ | |
| 136 | outb(0x60,0xFF); /* RESET */ | |
| 137 | again = 1; | |
| 138 | } | |
| 139 | } | |
| 140 | /* pick up keyboard reset return code */ | |
| 141 | while((c=inb(0x60))!=0xAA); | |
| 142 | return 1; | |
| 143 | } | |
| 144 | ||
| 145 | pcattach(dev) | |
| 146 | struct isa_device *dev; | |
| 147 | { | |
| 148 | u_short *cp = Crtat + (CGA_BUF-MONO_BUF)/CHR; | |
| 149 | u_short was; | |
| 150 | ||
| 151 | /* Crtat initialized to point to MONO buffer */ | |
| 152 | /* if not present change to CGA_BUF offset */ | |
| 153 | /* ONLY ADD the difference since locore.s adds */ | |
| 154 | /* in the remapped offset at the right time */ | |
| 155 | ||
| 156 | was = *Crtat; | |
| 157 | *Crtat = (u_short) 0xA55A; | |
| 158 | if (*Crtat != 0xA55A) | |
| 159 | printf("<mono>"); | |
| 160 | else printf("<color>"); | |
| 161 | *Crtat = was; | |
| 162 | cursor(); | |
| 163 | } | |
| 164 | ||
| 165 | /* ARGSUSED */ | |
| 166 | #ifdef __STDC__ | |
| 167 | pcopen(dev_t dev, int flag, int mode, struct proc *p) | |
| 168 | #else | |
| 169 | pcopen(dev, flag, mode, p) | |
| 170 | dev_t dev; | |
| 171 | int flag, mode; | |
| 172 | struct proc *p; | |
| 173 | #endif | |
| 174 | { | |
| 175 | register struct tty *tp; | |
| 176 | ||
| 177 | tp = &pccons; | |
| 178 | tp->t_oproc = pcstart; | |
| 179 | tp->t_param = pcparam; | |
| 180 | tp->t_dev = dev; | |
| 181 | openf++; | |
| 182 | if ((tp->t_state & TS_ISOPEN) == 0) { | |
| 183 | tp->t_state |= TS_WOPEN; | |
| 184 | ttychars(tp); | |
| 185 | tp->t_iflag = TTYDEF_IFLAG; | |
| 186 | tp->t_oflag = TTYDEF_OFLAG; | |
| 187 | tp->t_cflag = TTYDEF_CFLAG; | |
| 188 | tp->t_lflag = TTYDEF_LFLAG; | |
| 189 | tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; | |
| 190 | pcparam(tp, &tp->t_termios); | |
| 191 | ttsetwater(tp); | |
| 192 | } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) | |
| 193 | return (EBUSY); | |
| 194 | tp->t_state |= TS_CARR_ON; | |
| 195 | return ((*linesw[tp->t_line].l_open)(dev, tp)); | |
| 196 | } | |
| 197 | ||
| 198 | pcclose(dev, flag, mode, p) | |
| 199 | dev_t dev; | |
| 200 | int flag, mode; | |
| 201 | struct proc *p; | |
| 202 | { | |
| 203 | (*linesw[pccons.t_line].l_close)(&pccons, flag); | |
| 204 | ttyclose(&pccons); | |
| 205 | return(0); | |
| 206 | } | |
| 207 | ||
| 208 | /*ARGSUSED*/ | |
| 209 | pcread(dev, uio, flag) | |
| 210 | dev_t dev; | |
| 211 | struct uio *uio; | |
| 212 | { | |
| 213 | return ((*linesw[pccons.t_line].l_read)(&pccons, uio, flag)); | |
| 214 | } | |
| 215 | ||
| 216 | /*ARGSUSED*/ | |
| 217 | pcwrite(dev, uio, flag) | |
| 218 | dev_t dev; | |
| 219 | struct uio *uio; | |
| 220 | { | |
| 221 | return ((*linesw[pccons.t_line].l_write)(&pccons, uio, flag)); | |
| 222 | } | |
| 223 | ||
| 224 | /* | |
| 225 | * Got a console receive interrupt - | |
| 226 | * the console processor wants to give us a character. | |
| 227 | * Catch the character, and see who it goes to. | |
| 228 | */ | |
| 229 | pcrint(dev, irq, cpl) | |
| 230 | dev_t dev; | |
| 231 | { | |
| 232 | int c; | |
| 233 | ||
| 234 | c = sgetc(1); | |
| 235 | if (c&0x100) return; | |
| 236 | if (pcconsoftc.cs_flags&CSF_POLLING) | |
| 237 | return; | |
| 238 | #ifdef KDB | |
| 239 | if (kdbrintr(c, &pccons)) | |
| 240 | return; | |
| 241 | #endif | |
| 242 | (*linesw[pccons.t_line].l_rint)(c&0xff, &pccons); | |
| 243 | } | |
| 244 | ||
| 245 | pcioctl(dev, cmd, data, flag) | |
| 246 | dev_t dev; | |
| 247 | caddr_t data; | |
| 248 | { | |
| 249 | register struct tty *tp = &pccons; | |
| 250 | register error; | |
| 251 | ||
| 252 | error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); | |
| 253 | if (error >= 0) | |
| 254 | return (error); | |
| 255 | error = ttioctl(tp, cmd, data, flag); | |
| 256 | if (error >= 0) | |
| 257 | return (error); | |
| 258 | return (ENOTTY); | |
| 259 | } | |
| 260 | ||
| 261 | int pcconsintr = 1; | |
| 262 | /* | |
| 263 | * Got a console transmission interrupt - | |
| 264 | * the console processor wants another character. | |
| 265 | */ | |
| 266 | pcxint(dev) | |
| 267 | dev_t dev; | |
| 268 | { | |
| 269 | register struct tty *tp; | |
| 270 | register int unit; | |
| 271 | ||
| 272 | if (!pcconsintr) | |
| 273 | return; | |
| 274 | pccons.t_state &= ~TS_BUSY; | |
| 275 | pcconsoftc.cs_timo = 0; | |
| 276 | if (pccons.t_line) | |
| 277 | (*linesw[pccons.t_line].l_start)(&pccons); | |
| 278 | else | |
| 279 | pcstart(&pccons); | |
| 280 | } | |
| 281 | ||
| 282 | pcstart(tp) | |
| 283 | register struct tty *tp; | |
| 284 | { | |
| 285 | register c, s; | |
| 286 | ||
| 287 | s = spltty(); | |
| 288 | if (tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP)) | |
| 289 | goto out; | |
| 290 | do { | |
| 291 | if (RB_LEN(&tp->t_out) <= tp->t_lowat) { | |
| 292 | if (tp->t_state&TS_ASLEEP) { | |
| 293 | tp->t_state &= ~TS_ASLEEP; | |
| 294 | wakeup((caddr_t)&tp->t_out); | |
| 295 | } | |
| 296 | if (tp->t_wsel) { | |
| 297 | selwakeup(tp->t_wsel, tp->t_state & TS_WCOLL); | |
| 298 | tp->t_wsel = 0; | |
| 299 | tp->t_state &= ~TS_WCOLL; | |
| 300 | } | |
| 301 | } | |
| 302 | if (RB_LEN(&tp->t_out) == 0) | |
| 303 | goto out; | |
| 304 | c = getc(&tp->t_out); | |
| 305 | splx(s); | |
| 306 | sput(c,0x7); | |
| 307 | s = spltty(); | |
| 308 | } while(1); | |
| 309 | out: | |
| 310 | splx(s); | |
| 311 | } | |
| 312 | ||
| 313 | pccnprobe(cp) | |
| 314 | struct consdev *cp; | |
| 315 | { | |
| 316 | int maj; | |
| 317 | ||
| 318 | /* locate the major number */ | |
| 319 | for (maj = 0; maj < nchrdev; maj++) | |
| 320 | if (cdevsw[maj].d_open == pcopen) | |
| 321 | break; | |
| 322 | ||
| 323 | /* initialize required fields */ | |
| 324 | cp->cn_dev = makedev(maj, 0); | |
| 325 | cp->cn_tp = &pccons; | |
| 326 | cp->cn_pri = CN_INTERNAL; | |
| 327 | } | |
| 328 | ||
| 329 | /* ARGSUSED */ | |
| 330 | pccninit(cp) | |
| 331 | struct consdev *cp; | |
| 332 | { | |
| 333 | /* | |
| 334 | * For now, don't screw with it. | |
| 335 | */ | |
| 336 | /* crtat = 0; */ | |
| 337 | } | |
| 338 | ||
| 339 | static __color; | |
| 340 | ||
| 341 | /* ARGSUSED */ | |
| 342 | pccnputc(dev, c) | |
| 343 | dev_t dev; | |
| 344 | char c; | |
| 345 | { | |
| 346 | int clr = __color; | |
| 347 | ||
| 348 | if (clr == 0) | |
| 349 | clr = 0x30; | |
| 350 | else | |
| 351 | clr |= 0x60; | |
| 352 | if (c == '\n') | |
| 353 | sput('\r', clr); | |
| 354 | sput(c, clr); | |
| 355 | } | |
| 356 | ||
| 357 | /* | |
| 358 | * Print a character on console. | |
| 359 | */ | |
| 360 | pcputchar(c, tp) | |
| 361 | char c; | |
| 362 | register struct tty *tp; | |
| 363 | { | |
| 364 | sput(c,0x2); | |
| 365 | if (c=='\n') getchar(); | |
| 366 | } | |
| 367 | ||
| 368 | ||
| 369 | /* ARGSUSED */ | |
| 370 | pccngetc(dev) | |
| 371 | dev_t dev; | |
| 372 | { | |
| 373 | register int c, s; | |
| 374 | ||
| 375 | s = spltty(); /* block pcrint while we poll */ | |
| 376 | c = sgetc(0); | |
| 377 | if (c == '\r') c = '\n'; | |
| 378 | splx(s); | |
| 379 | return (c); | |
| 380 | } | |
| 381 | ||
| 382 | pcgetchar(tp) | |
| 383 | register struct tty *tp; | |
| 384 | { | |
| 385 | int c; | |
| 386 | ||
| 387 | c = sgetc(0); | |
| 388 | return (c&0xff); | |
| 389 | } | |
| 390 | ||
| 391 | /* | |
| 392 | * Set line parameters | |
| 393 | */ | |
| 394 | pcparam(tp, t) | |
| 395 | register struct tty *tp; | |
| 396 | register struct termios *t; | |
| 397 | { | |
| 398 | register int cflag = t->c_cflag; | |
| 399 | /* and copy to tty */ | |
| 400 | tp->t_ispeed = t->c_ispeed; | |
| 401 | tp->t_ospeed = t->c_ospeed; | |
| 402 | tp->t_cflag = cflag; | |
| 403 | ||
| 404 | return(0); | |
| 405 | } | |
| 406 | ||
| 407 | #ifdef KDB | |
| 408 | /* | |
| 409 | * Turn input polling on/off (used by debugger). | |
| 410 | */ | |
| 411 | pcpoll(onoff) | |
| 412 | int onoff; | |
| 413 | { | |
| 414 | } | |
| 415 | #endif | |
| 416 | ||
| 417 | extern int hz; | |
| 418 | ||
| 419 | static beeping; | |
| 420 | sysbeepstop() | |
| 421 | { | |
| 422 | /* disable counter 2 */ | |
| 423 | outb(0x61,inb(0x61)&0xFC); | |
| 424 | beeping = 0; | |
| 425 | } | |
| 426 | ||
| 427 | sysbeep() | |
| 428 | { | |
| 429 | ||
| 430 | /* enable counter 2 */ | |
| 431 | outb(0x61,inb(0x61)|3); | |
| 432 | /* set command for counter 2, 2 byte write */ | |
| 433 | outb(0x43,0xB6); | |
| 434 | /* send 0x637 for 750 HZ */ | |
| 435 | outb(0x42,0x37); | |
| 436 | outb(0x42,0x06); | |
| 437 | if(!beeping)timeout(sysbeepstop,0,hz/4); | |
| 438 | beeping = 1; | |
| 439 | } | |
| 440 | ||
| 441 | /* cursor() sets an offset (0-1999) into the 80x25 text area */ | |
| 442 | ||
| 443 | static u_short *crtat = 0; | |
| 444 | char bg_at = 0x0f; | |
| 445 | char so_at = 0x70; | |
| 446 | ||
| 447 | cursor() | |
| 448 | { int pos = crtat - Crtat; | |
| 449 | ||
| 450 | outb(addr_6845,14); | |
| 451 | outb(addr_6845+1,pos >> 8); | |
| 452 | outb(addr_6845,15); | |
| 453 | outb(addr_6845+1,pos&0xff); | |
| 454 | timeout(cursor,0,hz/10); | |
| 455 | } | |
| 456 | ||
| 457 | u_char shfts, ctls, alts, caps, num, stp, scroll; | |
| 458 | ||
| 459 | /* | |
| 460 | * Compensate for abysmally stupid frame buffer aribitration with macro | |
| 461 | */ | |
| 462 | #define wrtchar(c) { do *crtat = (c); while ((c) != *crtat); crtat++; row++; } | |
| 463 | ||
| 464 | /* sput has support for emulation of the 'ibmpc' termcap entry. */ | |
| 465 | /* This is a bare-bones implementation of a bare-bones entry */ | |
| 466 | /* One modification: Change li#24 to li#25 to reflect 25 lines */ | |
| 467 | ||
| 468 | sput(c, ca) | |
| 469 | u_char c, ca; | |
| 470 | { | |
| 471 | ||
| 472 | static int esc,ebrac,eparm,cx,cy,row,so; | |
| 473 | ||
| 474 | if (crtat == 0) { | |
| 475 | u_short *cp = Crtat + (CGA_BUF-MONO_BUF)/CHR, was; | |
| 476 | unsigned cursorat; | |
| 477 | ||
| 478 | /* Crtat initialized to point to MONO buffer */ | |
| 479 | /* if not present change to CGA_BUF offset */ | |
| 480 | /* ONLY ADD the difference since locore.s adds */ | |
| 481 | /* in the remapped offset at the right time */ | |
| 482 | ||
| 483 | was = *cp; | |
| 484 | *cp = (u_short) 0xA55A; | |
| 485 | if (*cp != 0xA55A) { | |
| 486 | addr_6845 = MONO_BASE; | |
| 487 | } else { | |
| 488 | *cp = was; | |
| 489 | addr_6845 = CGA_BASE; | |
| 490 | Crtat = Crtat + (CGA_BUF-MONO_BUF)/CHR; | |
| 491 | } | |
| 492 | /* Extract cursor location */ | |
| 493 | outb(addr_6845,14); | |
| 494 | cursorat = inb(addr_6845+1)<<8 ; | |
| 495 | outb(addr_6845,15); | |
| 496 | cursorat |= inb(addr_6845+1); | |
| 497 | ||
| 498 | crtat = Crtat + cursorat; | |
| 499 | fillw((bg_at<<8)|' ', crtat, COL*ROW-cursorat); | |
| 500 | } | |
| 501 | switch(c) { | |
| 502 | case 0x1B: | |
| 503 | esc = 1; ebrac = 0; eparm = 0; | |
| 504 | break; | |
| 505 | ||
| 506 | case '\t': | |
| 507 | do { | |
| 508 | wrtchar((ca<<8)| ' '); | |
| 509 | } while (row % 8); | |
| 510 | break; | |
| 511 | ||
| 512 | case '\010': | |
| 513 | crtat--; row--; | |
| 514 | if (row < 0) row += COL; /* non-destructive backspace */ | |
| 515 | break; | |
| 516 | ||
| 517 | case '\r': | |
| 518 | crtat -= row ; row = 0; | |
| 519 | break; | |
| 520 | ||
| 521 | case '\n': | |
| 522 | crtat += COL ; | |
| 523 | break; | |
| 524 | ||
| 525 | default: | |
| 526 | if (esc) { | |
| 527 | if (ebrac) { | |
| 528 | switch(c) { | |
| 529 | case 'm': /* no support for standout */ | |
| 530 | if (!cx) so = 0; | |
| 531 | else so = 1; | |
| 532 | esc = 0; ebrac = 0; eparm = 0; | |
| 533 | break; | |
| 534 | case 'A': /* back one row */ | |
| 535 | crtat -= COL; | |
| 536 | esc = 0; ebrac = 0; eparm = 0; | |
| 537 | break; | |
| 538 | case 'B': /* down one row */ | |
| 539 | crtat += COL; | |
| 540 | esc = 0; ebrac = 0; eparm = 0; | |
| 541 | break; | |
| 542 | case 'C': /* right cursor */ | |
| 543 | crtat++; row++; | |
| 544 | esc = 0; ebrac = 0; eparm = 0; | |
| 545 | break; | |
| 546 | case 'J': /* Clear to end of display */ | |
| 547 | fillw((bg_at<<8)+' ', crtat, | |
| 548 | Crtat+COL*ROW-crtat); | |
| 549 | esc = 0; ebrac = 0; eparm = 0; | |
| 550 | break; | |
| 551 | case 'K': /* Clear to EOL */ | |
| 552 | fillw((bg_at<<8)+' ', crtat, | |
| 553 | COL-(crtat-Crtat)%COL); | |
| 554 | esc = 0; ebrac = 0; eparm = 0; | |
| 555 | break; | |
| 556 | case 'H': /* Cursor move */ | |
| 557 | if ((!cx)||(!cy)) { | |
| 558 | crtat = Crtat; | |
| 559 | row = 0; | |
| 560 | } else { | |
| 561 | crtat = Crtat+(cx-1)*COL+cy-1; | |
| 562 | row = cy-1; | |
| 563 | } | |
| 564 | esc = 0; ebrac = 0; eparm = 0; | |
| 565 | break; | |
| 566 | case ';': /* Switch params in cursor def */ | |
| 567 | eparm = 1; | |
| 568 | return; | |
| 569 | default: /* Only numbers valid here */ | |
| 570 | if ((c >= '0')&&(c <= '9')) { | |
| 571 | if (eparm) { | |
| 572 | cy *= 10; | |
| 573 | cy += c - '0'; | |
| 574 | } else { | |
| 575 | cx *= 10; | |
| 576 | cx += c - '0'; | |
| 577 | } | |
| 578 | } else { | |
| 579 | esc = 0; ebrac = 0; eparm = 0; | |
| 580 | } | |
| 581 | return; | |
| 582 | } | |
| 583 | break; | |
| 584 | } else if (c == 'c') { /* Clear screen & home */ | |
| 585 | fillw((bg_at<<8)+' ', Crtat,COL*ROW); | |
| 586 | crtat = Crtat; row = 0; | |
| 587 | esc = 0; ebrac = 0; eparm = 0; | |
| 588 | } else if (c == '[') { /* Start ESC [ sequence */ | |
| 589 | ebrac = 1; cx = 0; cy = 0; eparm = 0; | |
| 590 | } else { /* Invalid, clear state */ | |
| 591 | esc = 0; ebrac = 0; eparm = 0; | |
| 592 | } | |
| 593 | } else { | |
| 594 | if (c == 7) | |
| 595 | sysbeep(); | |
| 596 | /* Print only printables */ | |
| 597 | else /*if (c >= ' ') */ { | |
| 598 | if (so) { | |
| 599 | wrtchar((so_at<<8)| c); | |
| 600 | } else { | |
| 601 | wrtchar((ca<<8)| c); | |
| 602 | } | |
| 603 | if (row >= COL) row = 0; | |
| 604 | break ; | |
| 605 | } | |
| 606 | } | |
| 607 | } | |
| 608 | if (crtat >= Crtat+COL*(ROW)) { /* scroll check */ | |
| 609 | if (openf) do sgetc(1); while (scroll); | |
| 610 | bcopy(Crtat+COL,Crtat,COL*(ROW-1)*CHR); | |
| 611 | fillw ((bg_at<<8) + ' ', Crtat+COL*(ROW-1),COL) ; | |
| 612 | crtat -= COL ; | |
| 613 | } | |
| 614 | } | |
| 615 | ||
| 616 | #define L 0x0001 /* locking function */ | |
| 617 | #define SHF 0x0002 /* keyboard shift */ | |
| 618 | #define ALT 0x0004 /* alternate shift -- alternate chars */ | |
| 619 | #define NUM 0x0008 /* numeric shift cursors vs. numeric */ | |
| 620 | #define CTL 0x0010 /* control shift -- allows ctl function */ | |
| 621 | #define CPS 0x0020 /* caps shift -- swaps case of letter */ | |
| 622 | #define ASCII 0x0040 /* ascii code for this key */ | |
| 623 | #define STP 0x0080 /* stop output */ | |
| 624 | #define FUNC 0x0100 /* function key */ | |
| 625 | #define SCROLL 0x0200 /* scroll lock key */ | |
| 626 | ||
| 627 | unsigned __debug = 0; /*0xffe */; | |
| 628 | u_short action[] = { | |
| 629 | 0, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 0- 7 */ | |
| 630 | ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 8-15 */ | |
| 631 | ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 16-23 */ | |
| 632 | ASCII, ASCII, ASCII, ASCII, ASCII, CTL, ASCII, ASCII, /* scan 24-31 */ | |
| 633 | ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 32-39 */ | |
| 634 | ASCII, ASCII, SHF , ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 40-47 */ | |
| 635 | ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, SHF, ASCII, /* scan 48-55 */ | |
| 636 | ALT, ASCII, CPS , FUNC , FUNC , FUNC , FUNC , FUNC , /* scan 56-63 */ | |
| 637 | FUNC , FUNC , FUNC , FUNC , FUNC , NUM, SCROLL, ASCII, /* scan 64-71 */ | |
| 638 | ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 72-79 */ | |
| 639 | ASCII, ASCII, ASCII, ASCII, 0, 0, 0, 0, /* scan 80-87 */ | |
| 640 | 0,0,0,0,0,0,0,0, | |
| 641 | 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, | |
| 642 | 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, } ; | |
| 643 | ||
| 644 | u_char unshift[] = { /* no shift */ | |
| 645 | 0, 033 , '1' , '2' , '3' , '4' , '5' , '6' , /* scan 0- 7 */ | |
| 646 | '7' , '8' , '9' , '0' , '-' , '=' , 0177 ,'\t' , /* scan 8-15 */ | |
| 647 | ||
| 648 | 'q' , 'w' , 'e' , 'r' , 't' , 'y' , 'u' , 'i' , /* scan 16-23 */ | |
| 649 | 'o' , 'p' , '[' , ']' , '\r' , CTL , 'a' , 's' , /* scan 24-31 */ | |
| 650 | ||
| 651 | 'd' , 'f' , 'g' , 'h' , 'j' , 'k' , 'l' , ';' , /* scan 32-39 */ | |
| 652 | '\'' , '`' , SHF , '\\' , 'z' , 'x' , 'c' , 'v' , /* scan 40-47 */ | |
| 653 | ||
| 654 | 'b' , 'n' , 'm' , ',' , '.' , '/' , SHF , '*', /* scan 48-55 */ | |
| 655 | ALT , ' ' , CPS, 1, 2, 3 , 4, 5, /* scan 56-63 */ | |
| 656 | ||
| 657 | 6, 7, 8, 9, 10, NUM, STP, '7', /* scan 64-71 */ | |
| 658 | '8', '9', '-', '4', '5', '6', '+', '1', /* scan 72-79 */ | |
| 659 | ||
| 660 | '2', '3', '0', '.', 0, 0, 0, 0, /* scan 80-87 */ | |
| 661 | 0,0,0,0,0,0,0,0, | |
| 662 | 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, | |
| 663 | 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, } ; | |
| 664 | ||
| 665 | u_char shift[] = { /* shift shift */ | |
| 666 | 0, 033 , '!' , '@' , '#' , '$' , '%' , '^' , /* scan 0- 7 */ | |
| 667 | '&' , '*' , '(' , ')' , '_' , '+' , 0177 ,'\t' , /* scan 8-15 */ | |
| 668 | 'Q' , 'W' , 'E' , 'R' , 'T' , 'Y' , 'U' , 'I' , /* scan 16-23 */ | |
| 669 | 'O' , 'P' , '{' , '}' , '\r' , CTL , 'A' , 'S' , /* scan 24-31 */ | |
| 670 | 'D' , 'F' , 'G' , 'H' , 'J' , 'K' , 'L' , ':' , /* scan 32-39 */ | |
| 671 | '"' , '~' , SHF , '|' , 'Z' , 'X' , 'C' , 'V' , /* scan 40-47 */ | |
| 672 | 'B' , 'N' , 'M' , '<' , '>' , '?' , SHF , '*', /* scan 48-55 */ | |
| 673 | ALT , ' ' , CPS, 0, 0, ' ' , 0, 0, /* scan 56-63 */ | |
| 674 | 0, 0, 0, 0, 0, NUM, STP, '7', /* scan 64-71 */ | |
| 675 | '8', '9', '-', '4', '5', '6', '+', '1', /* scan 72-79 */ | |
| 676 | '2', '3', '0', '.', 0, 0, 0, 0, /* scan 80-87 */ | |
| 677 | 0,0,0,0,0,0,0,0, | |
| 678 | 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, | |
| 679 | 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, } ; | |
| 680 | ||
| 681 | u_char ctl[] = { /* CTL shift */ | |
| 682 | 0, 033 , '!' , 000 , '#' , '$' , '%' , 036 , /* scan 0- 7 */ | |
| 683 | '&' , '*' , '(' , ')' , 037 , '+' , 034 ,'\177', /* scan 8-15 */ | |
| 684 | 021 , 027 , 005 , 022 , 024 , 031 , 025 , 011 , /* scan 16-23 */ | |
| 685 | 017 , 020 , 033 , 035 , '\r' , CTL , 001 , 023 , /* scan 24-31 */ | |
| 686 | 004 , 006 , 007 , 010 , 012 , 013 , 014 , ';' , /* scan 32-39 */ | |
| 687 | '\'' , '`' , SHF , 034 , 032 , 030 , 003 , 026 , /* scan 40-47 */ | |
| 688 | 002 , 016 , 015 , '<' , '>' , '?' , SHF , '*', /* scan 48-55 */ | |
| 689 | ALT , ' ' , CPS, 0, 0, ' ' , 0, 0, /* scan 56-63 */ | |
| 690 | CPS, 0, 0, 0, 0, 0, 0, 0, /* scan 64-71 */ | |
| 691 | 0, 0, 0, 0, 0, 0, 0, 0, /* scan 72-79 */ | |
| 692 | 0, 0, 0, 0, 0, 0, 0, 0, /* scan 80-87 */ | |
| 693 | 0, 0, 033, '7' , '4' , '1' , 0, NUM, /* scan 88-95 */ | |
| 694 | '8' , '5' , '2' , 0, STP, '9' , '6' , '3' , /*scan 96-103*/ | |
| 695 | '.' , 0, '*' , '-' , '+' , 0, 0, 0, /*scan 104-111*/ | |
| 696 | 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, } ; | |
| 697 | ||
| 698 | #ifdef notdef | |
| 699 | struct key { | |
| 700 | u_short action; /* how this key functions */ | |
| 701 | char ascii[8]; /* ascii result character indexed by shifts */ | |
| 702 | }; | |
| 703 | #endif | |
| 704 | ||
| 705 | ||
| 706 | #define KBSTAT 0x64 /* kbd status port */ | |
| 707 | #define KBS_INP_BUF_FUL 0x02 /* kbd char ready */ | |
| 708 | #define KBDATA 0x60 /* kbd data port */ | |
| 709 | #define KBSTATUSPORT 0x61 /* kbd status */ | |
| 710 | ||
| 711 | update_led() | |
| 712 | { | |
| 713 | while (inb(0x64)&2); /* wait input ready */ | |
| 714 | outb(0x60,0xED); /* LED Command */ | |
| 715 | while (inb(0x64)&2); /* wait input ready */ | |
| 716 | outb(0x60,scroll | 2*num | 4*caps); | |
| 717 | } | |
| 718 | ||
| 719 | reset_cpu() { | |
| 720 | while(1) { | |
| 721 | while (inb(0x64)&2); /* wait input ready */ | |
| 722 | outb(0x64,0xFE); /* Reset Command */ | |
| 723 | DELAY(4000000); | |
| 724 | while (inb(0x64)&2); /* wait input ready */ | |
| 725 | outb(0x64,0xFF); /* Keyboard Reset Command */ | |
| 726 | } | |
| 727 | /* NOTREACHED */ | |
| 728 | } | |
| 729 | ||
| 730 | /* | |
| 731 | sgetc(noblock) : get a character from the keyboard. If noblock = 0 wait until | |
| 732 | a key is gotten. Otherwise return a 0x100 (256). | |
| 733 | */ | |
| 734 | int sgetc(noblock) | |
| 735 | { | |
| 736 | u_char dt; unsigned key; | |
| 737 | loop: | |
| 738 | /* First see if there is something in the keyboard port */ | |
| 739 | if (inb(KBSTAT)&1) dt = inb(KBDATA); | |
| 740 | else { if (noblock) return (0x100); else goto loop; } | |
| 741 | ||
| 742 | /* Check for cntl-alt-del */ | |
| 743 | if ((dt == 83)&&ctls&&alts) _exit(); | |
| 744 | ||
| 745 | /* Check for make/break */ | |
| 746 | if (dt & 0x80) { | |
| 747 | /* break */ | |
| 748 | dt = dt & 0x7f ; | |
| 749 | switch (action[dt]) { | |
| 750 | case SHF: shfts = 0; break; | |
| 751 | case ALT: alts = 0; break; | |
| 752 | case CTL: ctls = 0; break; | |
| 753 | case FUNC: | |
| 754 | /* Toggle debug flags */ | |
| 755 | key = unshift[dt]; | |
| 756 | if(__debug & (1<<key)) __debug &= ~(1<<key) ; | |
| 757 | else __debug |= (1<<key) ; | |
| 758 | break; | |
| 759 | } | |
| 760 | } else { | |
| 761 | /* make */ | |
| 762 | dt = dt & 0x7f ; | |
| 763 | switch (action[dt]) { | |
| 764 | /* LOCKING KEYS */ | |
| 765 | case NUM: num ^= 1; update_led(); break; | |
| 766 | case CPS: caps ^= 1; update_led(); break; | |
| 767 | case SCROLL: scroll ^= 1; update_led(); break; | |
| 768 | case STP: stp ^= 1; if(stp) goto loop; break; | |
| 769 | ||
| 770 | /* NON-LOCKING KEYS */ | |
| 771 | case SHF: shfts = 1; break; | |
| 772 | case ALT: alts = 1; break; | |
| 773 | case CTL: ctls = 1; break; | |
| 774 | case ASCII: | |
| 775 | if (shfts) dt = shift[dt]; | |
| 776 | else if (ctls) dt = ctl[dt]; | |
| 777 | else dt = unshift[dt]; | |
| 778 | if (caps && (dt >= 'a' && dt <= 'z')) dt -= 'a' - 'A'; | |
| 779 | return(dt); | |
| 780 | } | |
| 781 | } | |
| 782 | if (noblock) return (0x100); else goto loop; | |
| 783 | } | |
| 784 | ||
| 785 | pg(p,q,r,s,t,u,v,w,x,y,z) char *p; { | |
| 786 | printf(p,q,r,s,t,u,v,w,x,y,z); | |
| 787 | printf("\n"); | |
| 788 | return(getchar()); | |
| 789 | } | |
| 790 | ||
| 791 | /* special characters */ | |
| 792 | #define bs 8 | |
| 793 | #define lf 10 | |
| 794 | #define cr 13 | |
| 795 | #define cntlc 3 | |
| 796 | #define del 0177 | |
| 797 | #define cntld 4 | |
| 798 | ||
| 799 | getchar() | |
| 800 | { | |
| 801 | register char thechar; | |
| 802 | register delay; | |
| 803 | int x; | |
| 804 | ||
| 805 | pcconsoftc.cs_flags |= CSF_POLLING; | |
| 806 | x=splhigh(); | |
| 807 | sput('>',0x6); | |
| 808 | /*while (1) {*/ | |
| 809 | thechar = (char) sgetc(0); | |
| 810 | pcconsoftc.cs_flags &= ~CSF_POLLING; | |
| 811 | splx(x); | |
| 812 | switch (thechar) { | |
| 813 | default: if (thechar >= ' ') | |
| 814 | sput(thechar,0x6); | |
| 815 | return(thechar); | |
| 816 | case cr: | |
| 817 | case lf: sput(cr,0x6); | |
| 818 | sput(lf,0x6); | |
| 819 | return(lf); | |
| 820 | case bs: | |
| 821 | case del: | |
| 822 | sput(bs,0x6); | |
| 823 | sput(' ',0x6); | |
| 824 | sput(bs,0x6); | |
| 825 | return(thechar); | |
| 826 | /*case cntlc: | |
| 827 | sput('^',0xe) ; sput('C',0xe) ; sput('\r',0xe) ; sput('\n',0xe) ; | |
| 828 | _exit(-2) ; */ | |
| 829 | case cntld: | |
| 830 | sput('^',0x6) ; sput('D',0x6) ; sput('\r',0x6) ; sput('\n',0x6) ; | |
| 831 | return(0); | |
| 832 | } | |
| 833 | /*}*/ | |
| 834 | } | |
| 835 | ||
| 836 | #include "machine/stdarg.h" | |
| 837 | static nrow; | |
| 838 | ||
| 839 | #define DPAUSE 1 | |
| 840 | void | |
| 841 | #ifdef __STDC__ | |
| 842 | dprintf(unsigned flgs, const char *fmt, ...) | |
| 843 | #else | |
| 844 | dprintf(flgs, fmt /*, va_alist */) | |
| 845 | char *fmt; | |
| 846 | unsigned flgs; | |
| 847 | #endif | |
| 848 | { extern unsigned __debug; | |
| 849 | va_list ap; | |
| 850 | ||
| 851 | if((flgs&__debug) > DPAUSE) { | |
| 852 | __color = ffs(flgs&__debug)+1; | |
| 853 | va_start(ap,fmt); | |
| 854 | kprintf(fmt, 1, (struct tty *)0, ap); | |
| 855 | va_end(ap); | |
| 856 | if (flgs&DPAUSE || nrow%24 == 23) { | |
| 857 | int x; | |
| 858 | x = splhigh(); | |
| 859 | if (nrow%24 == 23) nrow = 0; | |
| 860 | sgetc(0); | |
| 861 | splx(x); | |
| 862 | } | |
| 863 | } | |
| 864 | __color = 0; | |
| 865 | } | |
| 866 | ||
| 867 | consinit() {} |