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