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