wsemul_vt100.c revision 1.13
1 /* $NetBSD: wsemul_vt100.c,v 1.13 2000/04/28 21:56:16 mycroft Exp $ */ 2 3 /* 4 * Copyright (c) 1998 5 * Matthias Drochner. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the NetBSD Project 18 * by Matthias Drochner. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/time.h> 38 #include <sys/malloc.h> 39 #include <sys/fcntl.h> 40 41 #include <dev/wscons/wsconsio.h> 42 #include <dev/wscons/wsdisplayvar.h> 43 #include <dev/wscons/wsemulvar.h> 44 #include <dev/wscons/wsemul_vt100var.h> 45 #include <dev/wscons/ascii.h> 46 47 #include "opt_wskernattr.h" 48 49 void *wsemul_vt100_cnattach __P((const struct wsscreen_descr *, void *, 50 int, int, long)); 51 void *wsemul_vt100_attach __P((int console, const struct wsscreen_descr *, 52 void *, int, int, void *, long)); 53 void wsemul_vt100_output __P((void *cookie, const u_char *data, u_int count, 54 int)); 55 void wsemul_vt100_detach __P((void *cookie, u_int *crowp, u_int *ccolp)); 56 void wsemul_vt100_resetop __P((void *, enum wsemul_resetops)); 57 58 const struct wsemul_ops wsemul_vt100_ops = { 59 "vt100", 60 wsemul_vt100_cnattach, 61 wsemul_vt100_attach, 62 wsemul_vt100_output, 63 wsemul_vt100_translate, 64 wsemul_vt100_detach, 65 wsemul_vt100_resetop 66 }; 67 68 struct wsemul_vt100_emuldata wsemul_vt100_console_emuldata; 69 70 static void wsemul_vt100_init __P((struct wsemul_vt100_emuldata *, 71 const struct wsscreen_descr *, 72 void *, int, int, long)); 73 74 static void wsemul_vt100_output_normal __P((struct wsemul_vt100_emuldata *, 75 u_char, int)); 76 static void wsemul_vt100_output_c0c1 __P((struct wsemul_vt100_emuldata *, 77 u_char, int)); 78 typedef u_int vt100_handler __P((struct wsemul_vt100_emuldata *, u_char)); 79 static vt100_handler 80 wsemul_vt100_output_esc, 81 wsemul_vt100_output_csi, 82 wsemul_vt100_output_scs94, 83 wsemul_vt100_output_scs94_percent, 84 wsemul_vt100_output_scs96, 85 wsemul_vt100_output_scs96_percent, 86 wsemul_vt100_output_esc_hash, 87 wsemul_vt100_output_esc_spc, 88 wsemul_vt100_output_string, 89 wsemul_vt100_output_string_esc, 90 wsemul_vt100_output_dcs, 91 wsemul_vt100_output_dcs_dollar; 92 93 #define VT100_EMUL_STATE_NORMAL 0 /* normal processing */ 94 #define VT100_EMUL_STATE_ESC 1 /* got ESC */ 95 #define VT100_EMUL_STATE_CSI 2 /* got CSI (ESC[) */ 96 #define VT100_EMUL_STATE_SCS94 3 /* got ESC{()*+} */ 97 #define VT100_EMUL_STATE_SCS94_PERCENT 4 /* got ESC{()*+}% */ 98 #define VT100_EMUL_STATE_SCS96 5 /* got ESC{-./} */ 99 #define VT100_EMUL_STATE_SCS96_PERCENT 6 /* got ESC{-./}% */ 100 #define VT100_EMUL_STATE_ESC_HASH 7 /* got ESC# */ 101 #define VT100_EMUL_STATE_ESC_SPC 8 /* got ESC<SPC> */ 102 #define VT100_EMUL_STATE_STRING 9 /* waiting for ST (ESC\) */ 103 #define VT100_EMUL_STATE_STRING_ESC 10 /* waiting for ST, got ESC */ 104 #define VT100_EMUL_STATE_DCS 11 /* got DCS (ESC P) */ 105 #define VT100_EMUL_STATE_DCS_DOLLAR 12 /* got DCS<p>$ */ 106 107 vt100_handler *vt100_output[] = { 108 wsemul_vt100_output_esc, 109 wsemul_vt100_output_csi, 110 wsemul_vt100_output_scs94, 111 wsemul_vt100_output_scs94_percent, 112 wsemul_vt100_output_scs96, 113 wsemul_vt100_output_scs96_percent, 114 wsemul_vt100_output_esc_hash, 115 wsemul_vt100_output_esc_spc, 116 wsemul_vt100_output_string, 117 wsemul_vt100_output_string_esc, 118 wsemul_vt100_output_dcs, 119 wsemul_vt100_output_dcs_dollar, 120 }; 121 122 static void 123 wsemul_vt100_init(edp, type, cookie, ccol, crow, defattr) 124 struct wsemul_vt100_emuldata *edp; 125 const struct wsscreen_descr *type; 126 void *cookie; 127 int ccol, crow; 128 long defattr; 129 { 130 edp->emulops = type->textops; 131 edp->emulcookie = cookie; 132 edp->scrcapabilities = type->capabilities; 133 edp->nrows = type->nrows; 134 edp->ncols = type->ncols; 135 edp->crow = crow; 136 edp->ccol = ccol; 137 edp->defattr = defattr; 138 } 139 140 void * 141 wsemul_vt100_cnattach(type, cookie, ccol, crow, defattr) 142 const struct wsscreen_descr *type; 143 void *cookie; 144 int ccol, crow; 145 long defattr; 146 { 147 struct wsemul_vt100_emuldata *edp; 148 #if defined(WS_KERNEL_FG) || defined(WS_KERNEL_BG) || \ 149 defined(WS_KERNEL_COLATTR) || defined(WS_KERNEL_MONOATTR) 150 int res; 151 #endif 152 153 edp = &wsemul_vt100_console_emuldata; 154 wsemul_vt100_init(edp, type, cookie, ccol, crow, defattr); 155 #ifdef DIAGNOSTIC 156 edp->console = 1; 157 #endif 158 edp->cbcookie = NULL; 159 160 #if defined(WS_KERNEL_FG) || defined(WS_KERNEL_BG) || \ 161 defined(WS_KERNEL_COLATTR) || defined(WS_KERNEL_MONOATTR) 162 #ifndef WS_KERNEL_FG 163 #define WS_KERNEL_FG WSCOL_WHITE 164 #endif 165 #ifndef WS_KERNEL_BG 166 #define WS_KERNEL_BG WSCOL_BLACK 167 #endif 168 #ifndef WS_KERNEL_COLATTR 169 #define WS_KERNEL_COLATTR 0 170 #endif 171 #ifndef WS_KERNEL_MONOATTR 172 #define WS_KERNEL_MONOATTR 0 173 #endif 174 if (type->capabilities & WSSCREEN_WSCOLORS) 175 res = (*edp->emulops->alloc_attr)(cookie, 176 WS_KERNEL_FG, WS_KERNEL_BG, 177 WS_KERNEL_COLATTR | WSATTR_WSCOLORS, 178 &edp->kernattr); 179 else 180 res = (*edp->emulops->alloc_attr)(cookie, 0, 0, 181 WS_KERNEL_MONOATTR, 182 &edp->kernattr); 183 if (res) 184 #endif 185 edp->kernattr = defattr; 186 187 edp->tabs = 0; 188 edp->dblwid = 0; 189 edp->dw = 0; 190 edp->dcsarg = 0; 191 edp->isolatin1tab = edp->decgraphtab = edp->dectechtab = 0; 192 edp->nrctab = 0; 193 wsemul_vt100_reset(edp); 194 return (edp); 195 } 196 197 void * 198 wsemul_vt100_attach(console, type, cookie, ccol, crow, cbcookie, defattr) 199 int console; 200 const struct wsscreen_descr *type; 201 void *cookie; 202 int ccol, crow; 203 void *cbcookie; 204 long defattr; 205 { 206 struct wsemul_vt100_emuldata *edp; 207 208 if (console) { 209 edp = &wsemul_vt100_console_emuldata; 210 #ifdef DIAGNOSTIC 211 KASSERT(edp->console == 1); 212 #endif 213 } else { 214 edp = malloc(sizeof *edp, M_DEVBUF, M_WAITOK); 215 wsemul_vt100_init(edp, type, cookie, ccol, crow, defattr); 216 #ifdef DIAGNOSTIC 217 edp->console = 0; 218 #endif 219 } 220 edp->cbcookie = cbcookie; 221 222 edp->tabs = malloc(edp->ncols, M_DEVBUF, M_NOWAIT); 223 edp->dblwid = malloc(edp->nrows, M_DEVBUF, M_NOWAIT); 224 memset(edp->dblwid, 0, edp->nrows); 225 edp->dw = 0; 226 edp->dcsarg = malloc(DCS_MAXLEN, M_DEVBUF, M_NOWAIT); 227 edp->isolatin1tab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT); 228 edp->decgraphtab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT); 229 edp->dectechtab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT); 230 edp->nrctab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT); 231 vt100_initchartables(edp); 232 wsemul_vt100_reset(edp); 233 return (edp); 234 } 235 236 void 237 wsemul_vt100_detach(cookie, crowp, ccolp) 238 void *cookie; 239 u_int *crowp, *ccolp; 240 { 241 struct wsemul_vt100_emuldata *edp = cookie; 242 243 *crowp = edp->crow; 244 *ccolp = edp->ccol; 245 #define f(ptr) if (ptr) {free(ptr, M_DEVBUF); ptr = 0;} 246 f(edp->tabs) 247 f(edp->dblwid) 248 f(edp->dcsarg) 249 f(edp->isolatin1tab) 250 f(edp->decgraphtab) 251 f(edp->dectechtab) 252 f(edp->nrctab) 253 #undef f 254 if (edp != &wsemul_vt100_console_emuldata) 255 free(edp, M_DEVBUF); 256 } 257 258 void 259 wsemul_vt100_resetop(cookie, op) 260 void *cookie; 261 enum wsemul_resetops op; 262 { 263 struct wsemul_vt100_emuldata *edp = cookie; 264 265 switch (op) { 266 case WSEMUL_RESET: 267 wsemul_vt100_reset(edp); 268 break; 269 case WSEMUL_SYNCFONT: 270 vt100_initchartables(edp); 271 break; 272 case WSEMUL_CLEARSCREEN: 273 wsemul_vt100_ed(edp, 2); 274 edp->ccol = edp->crow = 0; 275 (*edp->emulops->cursor)(edp->emulcookie, 276 edp->flags & VTFL_CURSORON, 0, 0); 277 break; 278 default: 279 break; 280 } 281 } 282 283 void 284 wsemul_vt100_reset(edp) 285 struct wsemul_vt100_emuldata *edp; 286 { 287 int i; 288 289 edp->state = VT100_EMUL_STATE_NORMAL; 290 edp->flags = VTFL_DECAWM | VTFL_CURSORON; 291 edp->bkgdattr = edp->curattr = edp->defattr; 292 edp->attrflags = 0; 293 edp->fgcol = WSCOL_WHITE; 294 edp->bgcol = WSCOL_BLACK; 295 edp->scrreg_startrow = 0; 296 edp->scrreg_nrows = edp->nrows; 297 if (edp->tabs) { 298 memset(edp->tabs, 0, edp->ncols); 299 for (i = 8; i < edp->ncols; i += 8) 300 edp->tabs[i] = 1; 301 } 302 edp->dcspos = 0; 303 edp->dcstype = 0; 304 edp->chartab_G[0] = 0; 305 edp->chartab_G[1] = edp->nrctab; /* ??? */ 306 edp->chartab_G[2] = edp->isolatin1tab; 307 edp->chartab_G[3] = edp->isolatin1tab; 308 edp->chartab0 = 0; 309 edp->chartab1 = 2; 310 edp->sschartab = 0; 311 } 312 313 /* 314 * now all the state machine bits 315 */ 316 317 static void 318 wsemul_vt100_output_normal(edp, c, kernel) 319 struct wsemul_vt100_emuldata *edp; 320 u_char c; 321 int kernel; 322 { 323 u_int *ct, dc; 324 325 if ((edp->flags & (VTFL_LASTCHAR | VTFL_DECAWM)) == 326 (VTFL_LASTCHAR | VTFL_DECAWM)) { 327 if (ROWS_BELOW > 0) { 328 edp->crow++; 329 CHECK_DW; 330 } else 331 wsemul_vt100_scrollup(edp, 1); 332 edp->ccol = 0; 333 edp->flags &= ~VTFL_LASTCHAR; 334 } 335 336 if (c & 0x80) { 337 c &= 0x7f; 338 ct = edp->chartab_G[edp->chartab1]; 339 } else { 340 if (edp->sschartab) { 341 ct = edp->chartab_G[edp->sschartab]; 342 edp->sschartab = 0; 343 } else 344 ct = edp->chartab_G[edp->chartab0]; 345 } 346 dc = (ct ? ct[c] : c); 347 348 if ((edp->flags & VTFL_INSERTMODE) && COLS_LEFT) 349 COPYCOLS(edp->ccol, edp->ccol + 1, COLS_LEFT); 350 351 (*edp->emulops->putchar)(edp->emulcookie, edp->crow, 352 edp->ccol << edp->dw, dc, 353 kernel ? edp->kernattr : edp->curattr); 354 355 if (COLS_LEFT) 356 edp->ccol++; 357 else 358 edp->flags |= VTFL_LASTCHAR; 359 } 360 361 static void 362 wsemul_vt100_output_c0c1(edp, c, kernel) 363 struct wsemul_vt100_emuldata *edp; 364 u_char c; 365 int kernel; 366 { 367 u_int n; 368 369 switch (c) { 370 case ASCII_NUL: 371 default: 372 /* ignore */ 373 break; 374 case ASCII_BEL: 375 wsdisplay_emulbell(edp->cbcookie); 376 break; 377 case ASCII_BS: 378 if (edp->ccol > 0) { 379 edp->ccol--; 380 edp->flags &= ~VTFL_LASTCHAR; 381 } 382 break; 383 case ASCII_CR: 384 edp->ccol = 0; 385 edp->flags &= ~VTFL_LASTCHAR; 386 break; 387 case ASCII_HT: 388 if (edp->tabs) { 389 if (!COLS_LEFT) 390 break; 391 for (n = edp->ccol + 1; n < NCOLS - 1; n++) 392 if (edp->tabs[n]) 393 break; 394 } else { 395 n = edp->ccol + min(8 - (edp->ccol & 7), COLS_LEFT); 396 } 397 edp->ccol = n; 398 break; 399 case ASCII_SO: /* LS1 */ 400 edp->chartab0 = 1; 401 break; 402 case ASCII_SI: /* LS0 */ 403 edp->chartab0 = 0; 404 break; 405 case ASCII_ESC: 406 #ifdef DIAGNOSTIC 407 if (kernel) 408 panic("ESC in kernel output"); 409 #endif 410 if (edp->state == VT100_EMUL_STATE_STRING) { 411 /* might be a string end */ 412 edp->state = VT100_EMUL_STATE_STRING_ESC; 413 } else { 414 /* XXX cancel current escape sequence */ 415 edp->state = VT100_EMUL_STATE_ESC; 416 } 417 break; 418 #if 0 419 case CSI: /* 8-bit */ 420 /* XXX cancel current escape sequence */ 421 edp->nargs = 0; 422 memset(edp->args, 0, sizeof (edp->args)); 423 edp->modif1 = edp->modif2 = '\0'; 424 edp->state = VT100_EMUL_STATE_CSI; 425 break; 426 case DCS: /* 8-bit */ 427 /* XXX cancel current escape sequence */ 428 edp->nargs = 0; 429 memset(edp->args, 0, sizeof (edp->args)); 430 edp->state = VT100_EMUL_STATE_DCS; 431 break; 432 case ST: /* string end 8-bit */ 433 /* XXX only in VT100_EMUL_STATE_STRING */ 434 wsemul_vt100_handle_dcs(edp); 435 return (VT100_EMUL_STATE_NORMAL); 436 #endif 437 case ASCII_LF: 438 case ASCII_VT: 439 case ASCII_FF: 440 if (ROWS_BELOW > 0) { 441 edp->crow++; 442 CHECK_DW; 443 } else 444 wsemul_vt100_scrollup(edp, 1); 445 break; 446 } 447 } 448 449 static u_int 450 wsemul_vt100_output_esc(edp, c) 451 struct wsemul_vt100_emuldata *edp; 452 u_char c; 453 { 454 u_int newstate = VT100_EMUL_STATE_NORMAL; 455 int i; 456 457 switch (c) { 458 case '[': /* CSI */ 459 edp->nargs = 0; 460 memset(edp->args, 0, sizeof (edp->args)); 461 edp->modif1 = edp->modif2 = '\0'; 462 newstate = VT100_EMUL_STATE_CSI; 463 break; 464 case '7': /* DECSC */ 465 edp->savedcursor_row = edp->crow; 466 edp->savedcursor_col = edp->ccol; 467 edp->savedattr = edp->curattr; 468 edp->savedbkgdattr = edp->bkgdattr; 469 edp->savedattrflags = edp->attrflags; 470 edp->savedfgcol = edp->fgcol; 471 edp->savedbgcol = edp->bgcol; 472 for (i = 0; i < 4; i++) 473 edp->savedchartab_G[i] = edp->chartab_G[i]; 474 edp->savedchartab0 = edp->chartab0; 475 edp->savedchartab1 = edp->chartab1; 476 break; 477 case '8': /* DECRC */ 478 edp->crow = edp->savedcursor_row; 479 edp->ccol = edp->savedcursor_col; 480 edp->curattr = edp->savedattr; 481 edp->bkgdattr = edp->savedbkgdattr; 482 edp->attrflags = edp->savedattrflags; 483 edp->fgcol = edp->savedfgcol; 484 edp->bgcol = edp->savedbgcol; 485 for (i = 0; i < 4; i++) 486 edp->chartab_G[i] = edp->savedchartab_G[i]; 487 edp->chartab0 = edp->savedchartab0; 488 edp->chartab1 = edp->savedchartab1; 489 break; 490 case '=': /* DECKPAM application mode */ 491 edp->flags |= VTFL_APPLKEYPAD; 492 break; 493 case '>': /* DECKPNM numeric mode */ 494 edp->flags &= ~VTFL_APPLKEYPAD; 495 break; 496 case 'E': /* NEL */ 497 edp->ccol = 0; 498 /* FALLTHRU */ 499 case 'D': /* IND */ 500 if (ROWS_BELOW > 0) { 501 edp->crow++; 502 CHECK_DW; 503 break; 504 } 505 wsemul_vt100_scrollup(edp, 1); 506 break; 507 case 'H': /* HTS */ 508 KASSERT(edp->tabs != 0); 509 edp->tabs[edp->ccol] = 1; 510 break; 511 case '~': /* LS1R */ 512 edp->chartab1 = 1; 513 break; 514 case 'n': /* LS2 */ 515 edp->chartab0 = 2; 516 break; 517 case '}': /* LS2R */ 518 edp->chartab1 = 2; 519 break; 520 case 'o': /* LS3 */ 521 edp->chartab0 = 3; 522 break; 523 case '|': /* LS3R */ 524 edp->chartab1 = 3; 525 break; 526 case 'N': /* SS2 */ 527 edp->sschartab = 2; 528 break; 529 case 'O': /* SS3 */ 530 edp->sschartab = 3; 531 break; 532 case 'M': /* RI */ 533 if (ROWS_ABOVE > 0) { 534 edp->crow--; 535 CHECK_DW; 536 break; 537 } 538 wsemul_vt100_scrolldown(edp, 1); 539 break; 540 case 'P': /* DCS */ 541 edp->nargs = 0; 542 memset(edp->args, 0, sizeof (edp->args)); 543 newstate = VT100_EMUL_STATE_DCS; 544 break; 545 case 'c': /* RIS */ 546 wsemul_vt100_reset(edp); 547 wsemul_vt100_ed(edp, 2); 548 edp->ccol = edp->crow = 0; 549 break; 550 case '(': case ')': case '*': case '+': /* SCS */ 551 edp->designating = c - '('; 552 newstate = VT100_EMUL_STATE_SCS94; 553 break; 554 case '-': case '.': case '/': /* SCS */ 555 edp->designating = c - '-' + 1; 556 newstate = VT100_EMUL_STATE_SCS96; 557 break; 558 case '#': 559 newstate = VT100_EMUL_STATE_ESC_HASH; 560 break; 561 case ' ': /* 7/8 bit */ 562 newstate = VT100_EMUL_STATE_ESC_SPC; 563 break; 564 case ']': /* OSC operating system command */ 565 case '^': /* PM privacy message */ 566 case '_': /* APC application program command */ 567 /* ignored */ 568 newstate = VT100_EMUL_STATE_STRING; 569 break; 570 case '<': /* exit VT52 mode - ignored */ 571 break; 572 default: 573 #ifdef VT100_PRINTUNKNOWN 574 printf("ESC%c unknown\n", c); 575 #endif 576 break; 577 } 578 579 return (newstate); 580 } 581 582 static u_int 583 wsemul_vt100_output_scs94(edp, c) 584 struct wsemul_vt100_emuldata *edp; 585 u_char c; 586 { 587 u_int newstate = VT100_EMUL_STATE_NORMAL; 588 589 switch (c) { 590 case '%': /* probably DEC supplemental graphic */ 591 newstate = VT100_EMUL_STATE_SCS94_PERCENT; 592 break; 593 case 'A': /* british / national */ 594 edp->chartab_G[edp->designating] = edp->nrctab; 595 break; 596 case 'B': /* ASCII */ 597 edp->chartab_G[edp->designating] = 0; 598 break; 599 case '<': /* user preferred supplemental */ 600 /* XXX not really "user" preferred */ 601 edp->chartab_G[edp->designating] = edp->isolatin1tab; 602 break; 603 case '0': /* DEC special graphic */ 604 edp->chartab_G[edp->designating] = edp->decgraphtab; 605 break; 606 case '>': /* DEC tech */ 607 edp->chartab_G[edp->designating] = edp->dectechtab; 608 break; 609 default: 610 #ifdef VT100_PRINTUNKNOWN 611 printf("ESC%c%c unknown\n", edp->designating + '(', c); 612 #endif 613 break; 614 } 615 return (newstate); 616 } 617 618 static u_int 619 wsemul_vt100_output_scs94_percent(edp, c) 620 struct wsemul_vt100_emuldata *edp; 621 u_char c; 622 { 623 switch (c) { 624 case '5': /* DEC supplemental graphic */ 625 /* XXX there are differences */ 626 edp->chartab_G[edp->designating] = edp->isolatin1tab; 627 break; 628 default: 629 #ifdef VT100_PRINTUNKNOWN 630 printf("ESC%c%%%c unknown\n", edp->designating + '(', c); 631 #endif 632 break; 633 } 634 return (VT100_EMUL_STATE_NORMAL); 635 } 636 637 static u_int 638 wsemul_vt100_output_scs96(edp, c) 639 struct wsemul_vt100_emuldata *edp; 640 u_char c; 641 { 642 u_int newstate = VT100_EMUL_STATE_NORMAL; 643 int nrc; 644 645 switch (c) { 646 case '%': /* probably portugese */ 647 newstate = VT100_EMUL_STATE_SCS96_PERCENT; 648 break; 649 case 'A': /* ISO-latin-1 supplemental */ 650 edp->chartab_G[edp->designating] = edp->isolatin1tab; 651 break; 652 case '4': /* dutch */ 653 nrc = 1; 654 goto setnrc; 655 case '5': case 'C': /* finnish */ 656 nrc = 2; 657 goto setnrc; 658 case 'R': /* french */ 659 nrc = 3; 660 goto setnrc; 661 case 'Q': /* french canadian */ 662 nrc = 4; 663 goto setnrc; 664 case 'K': /* german */ 665 nrc = 5; 666 goto setnrc; 667 case 'Y': /* italian */ 668 nrc = 6; 669 goto setnrc; 670 case 'E': case '6': /* norwegian / danish */ 671 nrc = 7; 672 goto setnrc; 673 case 'Z': /* spanish */ 674 nrc = 9; 675 goto setnrc; 676 case '7': case 'H': /* swedish */ 677 nrc = 10; 678 goto setnrc; 679 case '=': /* swiss */ 680 nrc = 11; 681 setnrc: 682 vt100_setnrc(edp, nrc); /* what table ??? */ 683 break; 684 default: 685 #ifdef VT100_PRINTUNKNOWN 686 printf("ESC%c%c unknown\n", edp->designating + '-' - 1, c); 687 #endif 688 break; 689 } 690 return (newstate); 691 } 692 693 static u_int 694 wsemul_vt100_output_scs96_percent(edp, c) 695 struct wsemul_vt100_emuldata *edp; 696 u_char c; 697 { 698 switch (c) { 699 case '6': /* portugese */ 700 vt100_setnrc(edp, 8); 701 break; 702 default: 703 #ifdef VT100_PRINTUNKNOWN 704 printf("ESC%c%%%c unknown\n", edp->designating + '-', c); 705 #endif 706 break; 707 } 708 return (VT100_EMUL_STATE_NORMAL); 709 } 710 711 static u_int 712 wsemul_vt100_output_esc_spc(edp, c) 713 struct wsemul_vt100_emuldata *edp; 714 u_char c; 715 { 716 switch (c) { 717 case 'F': /* 7-bit controls */ 718 case 'G': /* 8-bit controls */ 719 #ifdef VT100_PRINTNOTIMPL 720 printf("ESC<SPC>%c ignored\n", c); 721 #endif 722 break; 723 default: 724 #ifdef VT100_PRINTUNKNOWN 725 printf("ESC<SPC>%c unknown\n", c); 726 #endif 727 break; 728 } 729 return (VT100_EMUL_STATE_NORMAL); 730 } 731 732 static u_int 733 wsemul_vt100_output_string(edp, c) 734 struct wsemul_vt100_emuldata *edp; 735 u_char c; 736 { 737 if (edp->dcstype && edp->dcspos < DCS_MAXLEN) 738 edp->dcsarg[edp->dcspos++] = c; 739 return (VT100_EMUL_STATE_STRING); 740 } 741 742 static u_int 743 wsemul_vt100_output_string_esc(edp, c) 744 struct wsemul_vt100_emuldata *edp; 745 u_char c; 746 { 747 if (c == '\\') { /* ST complete */ 748 wsemul_vt100_handle_dcs(edp); 749 return (VT100_EMUL_STATE_NORMAL); 750 } else 751 return (VT100_EMUL_STATE_STRING); 752 } 753 754 static u_int 755 wsemul_vt100_output_dcs(edp, c) 756 struct wsemul_vt100_emuldata *edp; 757 u_char c; 758 { 759 u_int newstate = VT100_EMUL_STATE_DCS; 760 761 switch (c) { 762 case '0': case '1': case '2': case '3': case '4': 763 case '5': case '6': case '7': case '8': case '9': 764 /* argument digit */ 765 if (edp->nargs > VT100_EMUL_NARGS - 1) 766 break; 767 edp->args[edp->nargs] = (edp->args[edp->nargs] * 10) + 768 (c - '0'); 769 break; 770 case ';': /* argument terminator */ 771 edp->nargs++; 772 break; 773 default: 774 edp->nargs++; 775 if (edp->nargs > VT100_EMUL_NARGS) { 776 #ifdef VT100_DEBUG 777 printf("vt100: too many arguments\n"); 778 #endif 779 edp->nargs = VT100_EMUL_NARGS; 780 } 781 newstate = VT100_EMUL_STATE_STRING; 782 switch (c) { 783 case '$': 784 newstate = VT100_EMUL_STATE_DCS_DOLLAR; 785 break; 786 case '{': /* DECDLD soft charset */ 787 case '!': /* DECRQUPSS user preferred supplemental set */ 788 /* 'u' must follow - need another state */ 789 case '|': /* DECUDK program F6..F20 */ 790 #ifdef VT100_PRINTNOTIMPL 791 printf("DCS%c ignored\n", c); 792 #endif 793 break; 794 default: 795 #ifdef VT100_PRINTUNKNOWN 796 printf("DCS%c (%d, %d) unknown\n", c, ARG(0), ARG(1)); 797 #endif 798 break; 799 } 800 } 801 802 return (newstate); 803 } 804 805 static u_int 806 wsemul_vt100_output_dcs_dollar(edp, c) 807 struct wsemul_vt100_emuldata *edp; 808 u_char c; 809 { 810 switch (c) { 811 case 'p': /* DECRSTS terminal state restore */ 812 case 'q': /* DECRQSS control function request */ 813 #ifdef VT100_PRINTNOTIMPL 814 printf("DCS$%c ignored\n", c); 815 #endif 816 break; 817 case 't': /* DECRSPS restore presentation state */ 818 switch (ARG(0)) { 819 case 0: /* error */ 820 break; 821 case 1: /* cursor information restore */ 822 #ifdef VT100_PRINTNOTIMPL 823 printf("DCS1$t ignored\n"); 824 #endif 825 break; 826 case 2: /* tab stop restore */ 827 edp->dcspos = 0; 828 edp->dcstype = DCSTYPE_TABRESTORE; 829 break; 830 default: 831 #ifdef VT100_PRINTUNKNOWN 832 printf("DCS%d$t unknown\n", ARG(0)); 833 #endif 834 break; 835 } 836 break; 837 default: 838 #ifdef VT100_PRINTUNKNOWN 839 printf("DCS$%c (%d, %d) unknown\n", c, ARG(0), ARG(1)); 840 #endif 841 break; 842 } 843 return (VT100_EMUL_STATE_STRING); 844 } 845 846 static u_int 847 wsemul_vt100_output_esc_hash(edp, c) 848 struct wsemul_vt100_emuldata *edp; 849 u_char c; 850 { 851 int i; 852 853 switch (c) { 854 case '5': /* DECSWL single width, single height */ 855 if (edp->dw) { 856 for (i = 0; i < edp->ncols / 2; i++) 857 (*edp->emulops->copycols)(edp->emulcookie, 858 edp->crow, 859 2 * i, i, 1); 860 (*edp->emulops->erasecols)(edp->emulcookie, edp->crow, 861 i, edp->ncols - i, 862 edp->bkgdattr); 863 edp->dblwid[edp->crow] = 0; 864 edp->dw = 0; 865 } 866 break; 867 case '6': /* DECDWL double width, single height */ 868 case '3': /* DECDHL double width, double height, top half */ 869 case '4': /* DECDHL double width, double height, bottom half */ 870 if (!edp->dw) { 871 for (i = edp->ncols / 2 - 1; i >= 0; i--) 872 (*edp->emulops->copycols)(edp->emulcookie, 873 edp->crow, 874 i, 2 * i, 1); 875 for (i = 0; i < edp->ncols / 2; i++) 876 (*edp->emulops->erasecols)(edp->emulcookie, 877 edp->crow, 878 2 * i + 1, 1, 879 edp->bkgdattr); 880 edp->dblwid[edp->crow] = 1; 881 edp->dw = 1; 882 if (edp->ccol > (edp->ncols >> 1) - 1) 883 edp->ccol = (edp->ncols >> 1) - 1; 884 } 885 break; 886 case '8': { /* DECALN */ 887 int i, j; 888 for (i = 0; i < edp->nrows; i++) 889 for (j = 0; j < edp->ncols; j++) 890 (*edp->emulops->putchar)(edp->emulcookie, i, j, 891 'E', edp->curattr); 892 } 893 edp->ccol = 0; 894 edp->crow = 0; 895 break; 896 default: 897 #ifdef VT100_PRINTUNKNOWN 898 printf("ESC#%c unknown\n", c); 899 #endif 900 break; 901 } 902 return (VT100_EMUL_STATE_NORMAL); 903 } 904 905 static u_int 906 wsemul_vt100_output_csi(edp, c) 907 struct wsemul_vt100_emuldata *edp; 908 u_char c; 909 { 910 u_int newstate = VT100_EMUL_STATE_CSI; 911 912 switch (c) { 913 case '0': case '1': case '2': case '3': case '4': 914 case '5': case '6': case '7': case '8': case '9': 915 /* argument digit */ 916 if (edp->nargs > VT100_EMUL_NARGS - 1) 917 break; 918 edp->args[edp->nargs] = (edp->args[edp->nargs] * 10) + 919 (c - '0'); 920 break; 921 case ';': /* argument terminator */ 922 edp->nargs++; 923 break; 924 case '?': /* DEC specific */ 925 case '>': /* DA query */ 926 edp->modif1 = c; 927 break; 928 case '!': 929 case '"': 930 case '$': 931 case '&': 932 edp->modif2 = c; 933 break; 934 default: /* end of escape sequence */ 935 edp->nargs++; 936 if (edp->nargs > VT100_EMUL_NARGS) { 937 #ifdef VT100_DEBUG 938 printf("vt100: too many arguments\n"); 939 #endif 940 edp->nargs = VT100_EMUL_NARGS; 941 } 942 wsemul_vt100_handle_csi(edp, c); 943 newstate = VT100_EMUL_STATE_NORMAL; 944 break; 945 } 946 return (newstate); 947 } 948 949 void 950 wsemul_vt100_output(cookie, data, count, kernel) 951 void *cookie; 952 const u_char *data; 953 u_int count; 954 int kernel; 955 { 956 struct wsemul_vt100_emuldata *edp = cookie; 957 958 #ifdef DIAGNOSTIC 959 if (kernel && !edp->console) 960 panic("wsemul_vt100_output: kernel output, not console"); 961 #endif 962 963 if (edp->flags & VTFL_CURSORON) 964 (*edp->emulops->cursor)(edp->emulcookie, 0, 965 edp->crow, edp->ccol << edp->dw); 966 for (; count > 0; data++, count--) { 967 if ((*data & 0x7f) < 0x20) { 968 wsemul_vt100_output_c0c1(edp, *data, kernel); 969 continue; 970 } 971 if (edp->state == VT100_EMUL_STATE_NORMAL || kernel) { 972 wsemul_vt100_output_normal(edp, *data, kernel); 973 continue; 974 } 975 #ifdef DIAGNOSTIC 976 if (edp->state > sizeof(vt100_output) / sizeof(vt100_output[0])) 977 panic("wsemul_vt100: invalid state %d\n", edp->state); 978 #endif 979 edp->state = vt100_output[edp->state - 1](edp, *data); 980 } 981 if (edp->flags & VTFL_CURSORON) 982 (*edp->emulops->cursor)(edp->emulcookie, 1, 983 edp->crow, edp->ccol << edp->dw); 984 } 985
Indexes created Mon Sep 29 21:09:56 GMT 2025