1 /*- 2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 3 * Copyright (c) 1992-1998 S�ren Schmidt 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer as 11 * the first lines of this file unmodified. 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 #include "sc.h" 31 #include "opt_syscons.h" 32 33 #if NSC > 0 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/consio.h> 39 40 #include <machine/pc/display.h> 41 42 #include <dev/syscons/syscons.h> 43 #include <dev/syscons/sctermvar.h> 44 45 #ifndef SC_DUMB_TERMINAL 46 47 #define MAX_ESC_PAR 5 48 49 /* attribute flags */ 50 typedef struct { 51 u_short fg; /* foreground color */ 52 u_short bg; /* background color */ 53 } color_t; 54 55 typedef struct { 56 int flags; 57 #define SCTERM_BUSY (1 << 0) 58 int esc; 59 int num_param; 60 int last_param; 61 int param[MAX_ESC_PAR]; 62 int saved_xpos; 63 int saved_ypos; 64 int attr_mask; /* current logical attr mask */ 65 #define NORMAL_ATTR 0x00 66 #define BLINK_ATTR 0x01 67 #define BOLD_ATTR 0x02 68 #define UNDERLINE_ATTR 0x04 69 #define REVERSE_ATTR 0x08 70 #define FG_CHANGED 0x10 71 #define BG_CHANGED 0x20 72 int cur_attr; /* current hardware attr word */ 73 color_t cur_color; /* current hardware color */ 74 color_t std_color; /* normal hardware color */ 75 color_t rev_color; /* reverse hardware color */ 76 color_t dflt_std_color; /* default normal color */ 77 color_t dflt_rev_color; /* default reverse color */ 78 } term_stat; 79 80 static sc_term_init_t scterm_init; 81 static sc_term_term_t scterm_term; 82 static sc_term_puts_t scterm_puts; 83 static sc_term_ioctl_t scterm_ioctl; 84 static sc_term_reset_t scterm_reset; 85 static sc_term_default_attr_t scterm_default_attr; 86 static sc_term_clear_t scterm_clear; 87 static sc_term_notify_t scterm_notify; 88 static sc_term_input_t scterm_input; 89 90 static sc_term_sw_t sc_term_sc = { 91 { NULL, NULL }, 92 "sc", /* emulator name */ 93 "syscons terminal", /* description */ 94 "*", /* matching renderer, any :-) */ 95 sizeof(term_stat), /* softc size */ 96 0, 97 scterm_init, 98 scterm_term, 99 scterm_puts, 100 scterm_ioctl, 101 scterm_reset, 102 scterm_default_attr, 103 scterm_clear, 104 scterm_notify, 105 scterm_input, 106 }; 107 108 SCTERM_MODULE(sc, sc_term_sc); 109 110 static term_stat reserved_term_stat; 111 static void scterm_scan_esc(scr_stat *scp, term_stat *tcp, 112 u_char c); 113 static int mask2attr(term_stat *tcp); 114 115 static int 116 scterm_init(scr_stat *scp, void **softc, int code) 117 { 118 term_stat *tcp; 119 120 if (*softc == NULL) { 121 if (reserved_term_stat.flags & SCTERM_BUSY) 122 return EINVAL; 123 *softc = &reserved_term_stat; 124 } 125 tcp = *softc; 126 127 switch (code) { 128 case SC_TE_COLD_INIT: 129 bzero(tcp, sizeof(*tcp)); 130 tcp->flags = SCTERM_BUSY; 131 tcp->esc = 0; 132 tcp->saved_xpos = -1; 133 tcp->saved_ypos = -1; 134 tcp->attr_mask = NORMAL_ATTR; 135 /* XXX */ 136 tcp->dflt_std_color.fg = SC_NORM_ATTR & 0x0f; 137 tcp->dflt_std_color.bg = (SC_NORM_ATTR >> 4) & 0x0f; 138 tcp->dflt_rev_color.fg = SC_NORM_REV_ATTR & 0x0f; 139 tcp->dflt_rev_color.bg = (SC_NORM_REV_ATTR >> 4) & 0x0f; 140 tcp->std_color = tcp->dflt_std_color; 141 tcp->rev_color = tcp->dflt_rev_color; 142 tcp->cur_color = tcp->std_color; 143 tcp->cur_attr = mask2attr(tcp); 144 ++sc_term_sc.te_refcount; 145 break; 146 147 case SC_TE_WARM_INIT: 148 tcp->esc = 0; 149 tcp->saved_xpos = -1; 150 tcp->saved_ypos = -1; 151 tcp->std_color = tcp->dflt_std_color; 152 tcp->rev_color = tcp->dflt_rev_color; 153 tcp->cur_color = tcp->std_color; 154 tcp->cur_attr = mask2attr(tcp); 155 break; 156 } 157 158 return 0; 159 } 160 161 static int 162 scterm_term(scr_stat *scp, void **softc) 163 { 164 if (*softc == &reserved_term_stat) { 165 *softc = NULL; 166 bzero(&reserved_term_stat, sizeof(reserved_term_stat)); 167 } 168 --sc_term_sc.te_refcount; 169 return 0; 170 } 171 172 static void 173 scterm_scan_esc(scr_stat *scp, term_stat *tcp, u_char c) 174 { 175 static u_char ansi_col[16] = { 176 FG_BLACK, FG_RED, FG_GREEN, FG_BROWN, 177 FG_BLUE, FG_MAGENTA, FG_CYAN, FG_LIGHTGREY, 178 FG_DARKGREY, FG_LIGHTRED, FG_LIGHTGREEN, FG_YELLOW, 179 FG_LIGHTBLUE, FG_LIGHTMAGENTA, FG_LIGHTCYAN, FG_WHITE 180 }; 181 sc_softc_t *sc; 182 int i, n; 183 184 i = n = 0; 185 sc = scp->sc; 186 if (tcp->esc == 1) { /* seen ESC */ 187 switch (c) { 188 189 case '7': /* Save cursor position */ 190 tcp->saved_xpos = scp->xpos; 191 tcp->saved_ypos = scp->ypos; 192 break; 193 194 case '8': /* Restore saved cursor position */ 195 if (tcp->saved_xpos >= 0 && tcp->saved_ypos >= 0) 196 sc_move_cursor(scp, tcp->saved_xpos, tcp->saved_ypos); 197 break; 198 199 case '[': /* Start ESC [ sequence */ 200 tcp->esc = 2; 201 tcp->last_param = -1; 202 for (i = tcp->num_param; i < MAX_ESC_PAR; i++) 203 tcp->param[i] = 1; 204 tcp->num_param = 0; 205 return; 206 207 case 'M': /* Move cursor up 1 line, scroll if at top */ 208 sc_term_up_scroll(scp, 1, sc->scr_map[0x20], tcp->cur_attr, 0, 0); 209 break; 210 #if notyet 211 case 'Q': 212 tcp->esc = 4; 213 return; 214 #endif 215 case 'c': /* Clear screen & home */ 216 sc_clear_screen(scp); 217 break; 218 219 case '(': /* iso-2022: designate 94 character set to G0 */ 220 tcp->esc = 5; 221 return; 222 } 223 } 224 else if (tcp->esc == 2) { /* seen ESC [ */ 225 if (c >= '0' && c <= '9') { 226 if (tcp->num_param < MAX_ESC_PAR) { 227 if (tcp->last_param != tcp->num_param) { 228 tcp->last_param = tcp->num_param; 229 tcp->param[tcp->num_param] = 0; 230 } else { 231 tcp->param[tcp->num_param] *= 10; 232 } 233 tcp->param[tcp->num_param] += c - '0'; 234 return; 235 } 236 } 237 tcp->num_param = tcp->last_param + 1; 238 switch (c) { 239 240 case ';': 241 if (tcp->num_param < MAX_ESC_PAR) 242 return; 243 break; 244 245 case '=': 246 tcp->esc = 3; 247 tcp->last_param = -1; 248 for (i = tcp->num_param; i < MAX_ESC_PAR; i++) 249 tcp->param[i] = 1; 250 tcp->num_param = 0; 251 return; 252 253 case 'A': /* up n rows */ 254 sc_term_up(scp, tcp->param[0], 0); 255 break; 256 257 case 'B': /* down n rows */ 258 sc_term_down(scp, tcp->param[0], 0); 259 break; 260 261 case 'C': /* right n columns */ 262 sc_term_right(scp, tcp->param[0]); 263 break; 264 265 case 'D': /* left n columns */ 266 sc_term_left(scp, tcp->param[0]); 267 break; 268 269 case 'E': /* cursor to start of line n lines down */ 270 n = tcp->param[0]; if (n < 1) n = 1; 271 sc_move_cursor(scp, 0, scp->ypos + n); 272 break; 273 274 case 'F': /* cursor to start of line n lines up */ 275 n = tcp->param[0]; if (n < 1) n = 1; 276 sc_move_cursor(scp, 0, scp->ypos - n); 277 break; 278 279 case 'f': /* Cursor move */ 280 case 'H': 281 if (tcp->num_param == 0) 282 sc_move_cursor(scp, 0, 0); 283 else if (tcp->num_param == 2) 284 sc_move_cursor(scp, tcp->param[1] - 1, tcp->param[0] - 1); 285 break; 286 287 case 'J': /* Clear all or part of display */ 288 if (tcp->num_param == 0) 289 n = 0; 290 else 291 n = tcp->param[0]; 292 sc_term_clr_eos(scp, n, sc->scr_map[0x20], tcp->cur_attr); 293 break; 294 295 case 'K': /* Clear all or part of line */ 296 if (tcp->num_param == 0) 297 n = 0; 298 else 299 n = tcp->param[0]; 300 sc_term_clr_eol(scp, n, sc->scr_map[0x20], tcp->cur_attr); 301 break; 302 303 case 'L': /* Insert n lines */ 304 sc_term_ins_line(scp, scp->ypos, tcp->param[0], 305 sc->scr_map[0x20], tcp->cur_attr, 0); 306 break; 307 308 case 'M': /* Delete n lines */ 309 sc_term_del_line(scp, scp->ypos, tcp->param[0], 310 sc->scr_map[0x20], tcp->cur_attr, 0); 311 break; 312 313 case 'P': /* Delete n chars */ 314 sc_term_del_char(scp, tcp->param[0], 315 sc->scr_map[0x20], tcp->cur_attr); 316 break; 317 318 case '@': /* Insert n chars */ 319 sc_term_ins_char(scp, tcp->param[0], 320 sc->scr_map[0x20], tcp->cur_attr); 321 break; 322 323 case 'S': /* scroll up n lines */ 324 sc_term_del_line(scp, 0, tcp->param[0], 325 sc->scr_map[0x20], tcp->cur_attr, 0); 326 break; 327 328 case 'T': /* scroll down n lines */ 329 sc_term_ins_line(scp, 0, tcp->param[0], 330 sc->scr_map[0x20], tcp->cur_attr, 0); 331 break; 332 333 case 'X': /* erase n characters in line */ 334 n = tcp->param[0]; if (n < 1) n = 1; 335 if (n > scp->xsize - scp->xpos) 336 n = scp->xsize - scp->xpos; 337 sc_vtb_erase(&scp->vtb, scp->cursor_pos, n, 338 sc->scr_map[0x20], tcp->cur_attr); 339 mark_for_update(scp, scp->cursor_pos); 340 mark_for_update(scp, scp->cursor_pos + n - 1); 341 break; 342 343 case 'Z': /* move n tabs backwards */ 344 sc_term_backtab(scp, tcp->param[0]); 345 break; 346 347 case '`': /* move cursor to column n */ 348 sc_term_col(scp, tcp->param[0]); 349 break; 350 351 case 'a': /* move cursor n columns to the right */ 352 sc_term_right(scp, tcp->param[0]); 353 break; 354 355 case 'd': /* move cursor to row n */ 356 sc_term_row(scp, tcp->param[0]); 357 break; 358 359 case 'e': /* move cursor n rows down */ 360 sc_term_down(scp, tcp->param[0], 0); 361 break; 362 363 case 'm': /* change attribute */ 364 if (tcp->num_param == 0) { 365 tcp->attr_mask = NORMAL_ATTR; 366 tcp->cur_color = tcp->std_color; 367 tcp->cur_attr = mask2attr(tcp); 368 break; 369 } 370 for (i = 0; i < tcp->num_param; i++) { 371 switch (n = tcp->param[i]) { 372 case 0: /* back to normal */ 373 tcp->attr_mask = NORMAL_ATTR; 374 tcp->cur_color = tcp->std_color; 375 tcp->cur_attr = mask2attr(tcp); 376 break; 377 case 1: /* bold */ 378 tcp->attr_mask |= BOLD_ATTR; 379 tcp->cur_attr = mask2attr(tcp); 380 break; 381 case 4: /* underline */ 382 tcp->attr_mask |= UNDERLINE_ATTR; 383 tcp->cur_attr = mask2attr(tcp); 384 break; 385 case 5: /* blink */ 386 tcp->attr_mask |= BLINK_ATTR; 387 tcp->cur_attr = mask2attr(tcp); 388 break; 389 case 7: /* reverse video */ 390 tcp->attr_mask |= REVERSE_ATTR; 391 tcp->cur_attr = mask2attr(tcp); 392 break; 393 case 30: case 31: /* set fg color */ 394 case 32: case 33: case 34: 395 case 35: case 36: case 37: 396 tcp->attr_mask |= FG_CHANGED; 397 tcp->cur_color.fg = ansi_col[n - 30]; 398 tcp->cur_attr = mask2attr(tcp); 399 break; 400 case 40: case 41: /* set bg color */ 401 case 42: case 43: case 44: 402 case 45: case 46: case 47: 403 tcp->attr_mask |= BG_CHANGED; 404 tcp->cur_color.bg = ansi_col[n - 40]; 405 tcp->cur_attr = mask2attr(tcp); 406 break; 407 } 408 } 409 break; 410 411 case 's': /* Save cursor position */ 412 tcp->saved_xpos = scp->xpos; 413 tcp->saved_ypos = scp->ypos; 414 break; 415 416 case 'u': /* Restore saved cursor position */ 417 if (tcp->saved_xpos >= 0 && tcp->saved_ypos >= 0) 418 sc_move_cursor(scp, tcp->saved_xpos, tcp->saved_ypos); 419 break; 420 421 case 'x': 422 if (tcp->num_param == 0) 423 n = 0; 424 else 425 n = tcp->param[0]; 426 switch (n) { 427 case 0: /* reset attributes */ 428 tcp->attr_mask = NORMAL_ATTR; 429 tcp->cur_color = tcp->std_color = tcp->dflt_std_color; 430 tcp->rev_color = tcp->dflt_rev_color; 431 tcp->cur_attr = mask2attr(tcp); 432 break; 433 case 1: /* set ansi background */ 434 tcp->attr_mask &= ~BG_CHANGED; 435 tcp->cur_color.bg = tcp->std_color.bg = 436 ansi_col[tcp->param[1] & 0x0f]; 437 tcp->cur_attr = mask2attr(tcp); 438 break; 439 case 2: /* set ansi foreground */ 440 tcp->attr_mask &= ~FG_CHANGED; 441 tcp->cur_color.fg = tcp->std_color.fg = 442 ansi_col[tcp->param[1] & 0x0f]; 443 tcp->cur_attr = mask2attr(tcp); 444 break; 445 case 3: /* set ansi attribute directly */ 446 tcp->attr_mask &= ~(FG_CHANGED | BG_CHANGED); 447 tcp->cur_color.fg = tcp->std_color.fg = 448 tcp->param[1] & 0x0f; 449 tcp->cur_color.bg = tcp->std_color.bg = 450 (tcp->param[1] >> 4) & 0x0f; 451 tcp->cur_attr = mask2attr(tcp); 452 break; 453 case 5: /* set ansi reverse video background */ 454 tcp->rev_color.bg = ansi_col[tcp->param[1] & 0x0f]; 455 tcp->cur_attr = mask2attr(tcp); 456 break; 457 case 6: /* set ansi reverse video foreground */ 458 tcp->rev_color.fg = ansi_col[tcp->param[1] & 0x0f]; 459 tcp->cur_attr = mask2attr(tcp); 460 break; 461 case 7: /* set ansi reverse video directly */ 462 tcp->rev_color.fg = tcp->param[1] & 0x0f; 463 tcp->rev_color.bg = (tcp->param[1] >> 4) & 0x0f; 464 tcp->cur_attr = mask2attr(tcp); 465 break; 466 } 467 break; 468 469 case 'z': /* switch to (virtual) console n */ 470 if (tcp->num_param == 1) 471 sc_switch_scr(sc, tcp->param[0]); 472 break; 473 } 474 } 475 else if (tcp->esc == 3) { /* seen ESC [0-9]+ = */ 476 if (c >= '0' && c <= '9') { 477 if (tcp->num_param < MAX_ESC_PAR) { 478 if (tcp->last_param != tcp->num_param) { 479 tcp->last_param = tcp->num_param; 480 tcp->param[tcp->num_param] = 0; 481 } else { 482 tcp->param[tcp->num_param] *= 10; 483 } 484 tcp->param[tcp->num_param] += c - '0'; 485 return; 486 } 487 } 488 tcp->num_param = tcp->last_param + 1; 489 switch (c) { 490 491 case ';': 492 if (tcp->num_param < MAX_ESC_PAR) 493 return; 494 break; 495 496 case 'A': /* set display border color */ 497 if (tcp->num_param == 1) { 498 scp->border=tcp->param[0] & 0xff; 499 if (scp == sc->cur_scp) 500 sc_set_border(scp, scp->border); 501 } 502 break; 503 504 case 'B': /* set bell pitch and duration */ 505 if (tcp->num_param == 2) { 506 scp->bell_pitch = tcp->param[0]; 507 scp->bell_duration = tcp->param[1]; 508 } 509 break; 510 511 case 'C': /* set cursor type & shape */ 512 if (!ISGRAPHSC(sc->cur_scp)) 513 sc_remove_cursor_image(sc->cur_scp); 514 if (tcp->num_param == 1) { 515 if (tcp->param[0] & 0x01) 516 sc->flags |= SC_BLINK_CURSOR; 517 else 518 sc->flags &= ~SC_BLINK_CURSOR; 519 if (tcp->param[0] & 0x02) 520 sc->flags |= SC_CHAR_CURSOR; 521 else 522 sc->flags &= ~SC_CHAR_CURSOR; 523 } else if (tcp->num_param == 2) { 524 sc->cursor_base = scp->font_size 525 - (tcp->param[1] & 0x1F) - 1; 526 sc->cursor_height = (tcp->param[1] & 0x1F) 527 - (tcp->param[0] & 0x1F) + 1; 528 } 529 /* 530 * The cursor shape is global property; all virtual consoles 531 * are affected. Update the cursor in the current console... 532 */ 533 if (!ISGRAPHSC(sc->cur_scp)) { 534 i = spltty(); 535 sc_set_cursor_image(sc->cur_scp); 536 sc_draw_cursor_image(sc->cur_scp); 537 splx(i); 538 } 539 break; 540 541 case 'F': /* set ansi foreground */ 542 if (tcp->num_param == 1) { 543 tcp->attr_mask &= ~FG_CHANGED; 544 tcp->cur_color.fg = tcp->std_color.fg = tcp->param[0] & 0x0f; 545 tcp->cur_attr = mask2attr(tcp); 546 } 547 break; 548 549 case 'G': /* set ansi background */ 550 if (tcp->num_param == 1) { 551 tcp->attr_mask &= ~BG_CHANGED; 552 tcp->cur_color.bg = tcp->std_color.bg = tcp->param[0] & 0x0f; 553 tcp->cur_attr = mask2attr(tcp); 554 } 555 break; 556 557 case 'H': /* set ansi reverse video foreground */ 558 if (tcp->num_param == 1) { 559 tcp->rev_color.fg = tcp->param[0] & 0x0f; 560 tcp->cur_attr = mask2attr(tcp); 561 } 562 break; 563 564 case 'I': /* set ansi reverse video background */ 565 if (tcp->num_param == 1) { 566 tcp->rev_color.bg = tcp->param[0] & 0x0f; 567 tcp->cur_attr = mask2attr(tcp); 568 } 569 break; 570 } 571 572 #if notyet 573 } else if (tcp->esc == 4) { /* seen ESC Q */ 574 /* to be filled */ 575 #endif 576 } else if (tcp->esc == 5) { /* seen ESC ( */ 577 switch (c) { 578 case 'B': /* iso-2022: desginate ASCII into G0 */ 579 break; 580 /* other items to be filled */ 581 default: 582 break; 583 } 584 } 585 tcp->esc = 0; 586 } 587 588 static void 589 scterm_puts(scr_stat *scp, u_char *buf, int len) 590 { 591 term_stat *tcp; 592 593 tcp = scp->ts; 594 outloop: 595 scp->sc->write_in_progress++; 596 597 if (tcp->esc) { 598 scterm_scan_esc(scp, tcp, *buf); 599 buf++; 600 len--; 601 } else { 602 switch (*buf) { 603 case 0x1b: 604 tcp->esc = 1; 605 tcp->num_param = 0; 606 buf++; 607 len--; 608 break; 609 default: 610 sc_term_gen_print(scp, &buf, &len, tcp->cur_attr); 611 break; 612 } 613 } 614 615 sc_term_gen_scroll(scp, scp->sc->scr_map[0x20], tcp->cur_attr); 616 617 scp->sc->write_in_progress--; 618 if (len) 619 goto outloop; 620 } 621 622 static int 623 scterm_ioctl(scr_stat *scp, struct tty *tp, u_long cmd, caddr_t data, 624 int flag, struct proc *p) 625 { 626 term_stat *tcp = scp->ts; 627 vid_info_t *vi; 628 629 switch (cmd) { 630 case GIO_ATTR: /* get current attributes */ 631 /* FIXME: */ 632 *(int*)data = (tcp->cur_attr >> 8) & 0xff; 633 return 0; 634 case CONS_GETINFO: /* get current (virtual) console info */ 635 vi = (vid_info_t *)data; 636 if (vi->size != sizeof(struct vid_info)) 637 return EINVAL; 638 vi->mv_norm.fore = tcp->std_color.fg; 639 vi->mv_norm.back = tcp->std_color.bg; 640 vi->mv_rev.fore = tcp->rev_color.fg; 641 vi->mv_rev.back = tcp->rev_color.bg; 642 /* 643 * The other fields are filled by the upper routine. XXX 644 */ 645 return ENOIOCTL; 646 } 647 return ENOIOCTL; 648 } 649 650 static int 651 scterm_reset(scr_stat *scp, int code) 652 { 653 /* FIXME */ 654 return 0; 655 } 656 657 static void 658 scterm_default_attr(scr_stat *scp, int color, int rev_color) 659 { 660 term_stat *tcp = scp->ts; 661 662 tcp->dflt_std_color.fg = color & 0x0f; 663 tcp->dflt_std_color.bg = (color >> 4) & 0x0f; 664 tcp->dflt_rev_color.fg = rev_color & 0x0f; 665 tcp->dflt_rev_color.bg = (rev_color >> 4) & 0x0f; 666 tcp->std_color = tcp->dflt_std_color; 667 tcp->rev_color = tcp->dflt_rev_color; 668 tcp->cur_color = tcp->std_color; 669 tcp->cur_attr = mask2attr(tcp); 670 } 671 672 static void 673 scterm_clear(scr_stat *scp) 674 { 675 term_stat *tcp = scp->ts; 676 677 sc_move_cursor(scp, 0, 0); 678 sc_vtb_clear(&scp->vtb, scp->sc->scr_map[0x20], tcp->cur_attr); 679 mark_all(scp); 680 } 681 682 static void 683 scterm_notify(scr_stat *scp, int event) 684 { 685 switch (event) { 686 case SC_TE_NOTIFY_VTSWITCH_IN: 687 break; 688 case SC_TE_NOTIFY_VTSWITCH_OUT: 689 break; 690 } 691 } 692 693 static int 694 scterm_input(scr_stat *scp, int c, struct tty *tp) 695 { 696 return FALSE; 697 } 698 699 /* 700 * Calculate hardware attributes word using logical attributes mask and 701 * hardware colors 702 */ 703 704 /* FIXME */ 705 static int 706 mask2attr(term_stat *tcp) 707 { 708 int attr, mask = tcp->attr_mask; 709 710 if (mask & REVERSE_ATTR) { 711 attr = ((mask & FG_CHANGED) ? 712 tcp->cur_color.bg : tcp->rev_color.fg) | 713 (((mask & BG_CHANGED) ? 714 tcp->cur_color.fg : tcp->rev_color.bg) << 4); 715 } else 716 attr = tcp->cur_color.fg | (tcp->cur_color.bg << 4); 717 718 /* XXX: underline mapping for Hercules adapter can be better */ 719 if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 720 attr ^= 0x08; 721 if (mask & BLINK_ATTR) 722 attr ^= 0x80; 723 724 return (attr << 8); 725 } 726 727 #endif /* SC_DUMB_TERMINAL */ 728 729 #endif /* NSC > 0 */ 730