Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/misc/syscons/scterm-sc.c
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1 /*- 2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 3 * Copyright (c) 1992-1998 Søren 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: src/sys/dev/syscons/scterm-sc.c,v 1.4.2.10 2001/06/11 09:05:39 phk Exp $ 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 #include <sys/thread2.h> 37 38 #include <machine/pc/display.h> 39 40 #include "syscons.h" 41 #include "sctermvar.h" 42 43 #ifndef SC_DUMB_TERMINAL 44 45 #define MAX_ESC_PAR 5 46 47 /* attribute flags */ 48 typedef struct { 49 u_short fg; /* foreground color */ 50 u_short bg; /* background color */ 51 } color_t; 52 53 typedef struct { 54 int flags; 55 #define SCTERM_BUSY (1 << 0) 56 int esc; 57 int num_param; 58 int last_param; 59 int param[MAX_ESC_PAR]; 60 int saved_xpos; 61 int saved_ypos; 62 int attr_mask; /* current logical attr mask */ 63 #define NORMAL_ATTR 0x00 64 #define BLINK_ATTR 0x01 65 #define BOLD_ATTR 0x02 66 #define UNDERLINE_ATTR 0x04 67 #define REVERSE_ATTR 0x08 68 #define FG_CHANGED 0x10 69 #define BG_CHANGED 0x20 70 int cur_attr; /* current hardware attr word */ 71 color_t cur_color; /* current hardware color */ 72 color_t std_color; /* normal hardware color */ 73 color_t rev_color; /* reverse hardware color */ 74 color_t dflt_std_color; /* default normal color */ 75 color_t dflt_rev_color; /* default reverse color */ 76 } term_stat; 77 78 static sc_term_init_t scterm_init; 79 static sc_term_term_t scterm_term; 80 static sc_term_puts_t scterm_puts; 81 static sc_term_ioctl_t scterm_ioctl; 82 static sc_term_reset_t scterm_reset; 83 static sc_term_default_attr_t scterm_default_attr; 84 static sc_term_clear_t scterm_clear; 85 static sc_term_notify_t scterm_notify; 86 static sc_term_input_t scterm_input; 87 88 static sc_term_sw_t sc_term_sc = { 89 { NULL, NULL }, 90 "sc", /* emulator name */ 91 "syscons terminal", /* description */ 92 "*", /* matching renderer, any :-) */ 93 sizeof(term_stat), /* softc size */ 94 0, 95 scterm_init, 96 scterm_term, 97 scterm_puts, 98 scterm_ioctl, 99 scterm_reset, 100 scterm_default_attr, 101 scterm_clear, 102 scterm_notify, 103 scterm_input, 104 }; 105 106 SCTERM_MODULE(sc, sc_term_sc); 107 108 static term_stat reserved_term_stat; 109 static void scterm_scan_esc(scr_stat *scp, term_stat *tcp, 110 u_char c); 111 static int mask2attr(term_stat *tcp); 112 113 static int 114 scterm_init(scr_stat *scp, void **softc, int code) 115 { 116 term_stat *tcp; 117 118 if (*softc == NULL) { 119 if (reserved_term_stat.flags & SCTERM_BUSY) 120 return EINVAL; 121 *softc = &reserved_term_stat; 122 } 123 tcp = *softc; 124 125 switch (code) { 126 case SC_TE_COLD_INIT: 127 bzero(tcp, sizeof(*tcp)); 128 tcp->flags = SCTERM_BUSY; 129 tcp->esc = 0; 130 tcp->saved_xpos = -1; 131 tcp->saved_ypos = -1; 132 tcp->attr_mask = NORMAL_ATTR; 133 /* XXX */ 134 tcp->dflt_std_color.fg = SC_NORM_ATTR & 0x0f; 135 tcp->dflt_std_color.bg = (SC_NORM_ATTR >> 4) & 0x0f; 136 tcp->dflt_rev_color.fg = SC_NORM_REV_ATTR & 0x0f; 137 tcp->dflt_rev_color.bg = (SC_NORM_REV_ATTR >> 4) & 0x0f; 138 tcp->std_color = tcp->dflt_std_color; 139 tcp->rev_color = tcp->dflt_rev_color; 140 tcp->cur_color = tcp->std_color; 141 tcp->cur_attr = mask2attr(tcp); 142 ++sc_term_sc.te_refcount; 143 break; 144 145 case SC_TE_WARM_INIT: 146 tcp->esc = 0; 147 tcp->saved_xpos = -1; 148 tcp->saved_ypos = -1; 149 #if 0 150 tcp->std_color = tcp->dflt_std_color; 151 tcp->rev_color = tcp->dflt_rev_color; 152 #endif 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 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, 196 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], 209 tcp->cur_attr, 0, 0); 210 break; 211 #if 0 /* notyet */ 212 case 'Q': 213 tcp->esc = 4; 214 return; 215 #endif 216 case 'c': /* reset */ 217 tcp->attr_mask = NORMAL_ATTR; 218 tcp->cur_color = tcp->std_color 219 = tcp->dflt_std_color; 220 tcp->rev_color = tcp->dflt_rev_color; 221 tcp->cur_attr = mask2attr(tcp); 222 sc_clear_screen(scp); 223 break; 224 225 case '(': /* iso-2022: designate 94 character set to G0 */ 226 tcp->esc = 5; 227 return; 228 } 229 } else if (tcp->esc == 2) { /* seen ESC [ */ 230 if (c >= '' && c <= '9') { 231 if (tcp->num_param < MAX_ESC_PAR) { 232 if (tcp->last_param != tcp->num_param) { 233 tcp->last_param = tcp->num_param; 234 tcp->param[tcp->num_param] = 0; 235 } else { 236 tcp->param[tcp->num_param] *= 10; 237 } 238 tcp->param[tcp->num_param] += c - ''; 239 return; 240 } 241 } 242 tcp->num_param = tcp->last_param + 1; 243 switch (c) { 244 245 case ';': 246 if (tcp->num_param < MAX_ESC_PAR) 247 return; 248 break; 249 250 case '=': 251 tcp->esc = 3; 252 tcp->last_param = -1; 253 for (i = tcp->num_param; i < MAX_ESC_PAR; i++) 254 tcp->param[i] = 1; 255 tcp->num_param = 0; 256 return; 257 258 case 'A': /* up n rows */ 259 sc_term_up(scp, tcp->param[0], 0); 260 break; 261 262 case 'B': /* down n rows */ 263 sc_term_down(scp, tcp->param[0], 0); 264 break; 265 266 case 'C': /* right n columns */ 267 sc_term_right(scp, tcp->param[0]); 268 break; 269 270 case 'D': /* left n columns */ 271 sc_term_left(scp, tcp->param[0]); 272 break; 273 274 case 'E': /* cursor to start of line n lines down */ 275 n = tcp->param[0]; 276 if (n < 1) 277 n = 1; 278 sc_move_cursor(scp, 0, scp->ypos + n); 279 break; 280 281 case 'F': /* cursor to start of line n lines up */ 282 n = tcp->param[0]; 283 if (n < 1) 284 n = 1; 285 sc_move_cursor(scp, 0, scp->ypos - n); 286 break; 287 288 case 'f': /* Cursor move */ 289 case 'H': 290 if (tcp->num_param == 0) 291 sc_move_cursor(scp, 0, 0); 292 else if (tcp->num_param == 2) 293 sc_move_cursor(scp, tcp->param[1] - 1, 294 tcp->param[0] - 1); 295 break; 296 297 case 'J': /* Clear all or part of display */ 298 if (tcp->num_param == 0) 299 n = 0; 300 else 301 n = tcp->param[0]; 302 sc_term_clr_eos(scp, n, sc->scr_map[0x20], 303 tcp->cur_attr); 304 break; 305 306 case 'K': /* Clear all or part of line */ 307 if (tcp->num_param == 0) 308 n = 0; 309 else 310 n = tcp->param[0]; 311 sc_term_clr_eol(scp, n, sc->scr_map[0x20], 312 tcp->cur_attr); 313 break; 314 315 case 'L': /* Insert n lines */ 316 sc_term_ins_line(scp, scp->ypos, tcp->param[0], 317 sc->scr_map[0x20], tcp->cur_attr, 0); 318 break; 319 320 case 'M': /* Delete n lines */ 321 sc_term_del_line(scp, scp->ypos, tcp->param[0], 322 sc->scr_map[0x20], tcp->cur_attr, 0); 323 break; 324 325 case 'P': /* Delete n chars */ 326 sc_term_del_char(scp, tcp->param[0], 327 sc->scr_map[0x20], tcp->cur_attr); 328 break; 329 330 case '@': /* Insert n chars */ 331 sc_term_ins_char(scp, tcp->param[0], 332 sc->scr_map[0x20], tcp->cur_attr); 333 break; 334 335 case 'S': /* scroll up n lines */ 336 sc_term_del_line(scp, 0, tcp->param[0], 337 sc->scr_map[0x20], tcp->cur_attr, 0); 338 break; 339 340 case 'T': /* scroll down n lines */ 341 sc_term_ins_line(scp, 0, tcp->param[0], 342 sc->scr_map[0x20], tcp->cur_attr, 0); 343 break; 344 345 case 'X': /* erase n characters in line */ 346 n = tcp->param[0]; 347 if (n < 1) 348 n = 1; 349 if (n > scp->xsize - scp->xpos) 350 n = scp->xsize - scp->xpos; 351 sc_vtb_erase(&scp->vtb, scp->cursor_pos, n, 352 sc->scr_map[0x20], tcp->cur_attr); 353 mark_for_update(scp, scp->cursor_pos); 354 mark_for_update(scp, scp->cursor_pos + n - 1); 355 break; 356 357 case 'Z': /* move n tabs backwards */ 358 sc_term_backtab(scp, tcp->param[0]); 359 break; 360 361 case '`': /* move cursor to column n */ 362 sc_term_col(scp, tcp->param[0]); 363 break; 364 365 case 'a': /* move cursor n columns to the right */ 366 sc_term_right(scp, tcp->param[0]); 367 break; 368 369 case 'd': /* move cursor to row n */ 370 sc_term_row(scp, tcp->param[0]); 371 break; 372 373 case 'e': /* move cursor n rows down */ 374 sc_term_down(scp, tcp->param[0], 0); 375 break; 376 377 case 'm': /* change attribute */ 378 if (tcp->num_param == 0) { 379 tcp->attr_mask = NORMAL_ATTR; 380 tcp->cur_color = tcp->std_color; 381 tcp->cur_attr = mask2attr(tcp); 382 break; 383 } 384 for (i = 0; i < tcp->num_param; i++) { 385 switch (n = tcp->param[i]) { 386 case 0: /* back to normal */ 387 tcp->attr_mask = NORMAL_ATTR; 388 tcp->cur_color = tcp->std_color; 389 tcp->cur_attr = mask2attr(tcp); 390 break; 391 case 1: /* bold */ 392 tcp->attr_mask |= BOLD_ATTR; 393 tcp->cur_attr = mask2attr(tcp); 394 break; 395 case 4: /* underline */ 396 tcp->attr_mask |= UNDERLINE_ATTR; 397 tcp->cur_attr = mask2attr(tcp); 398 break; 399 case 5: /* blink */ 400 tcp->attr_mask |= BLINK_ATTR; 401 tcp->cur_attr = mask2attr(tcp); 402 break; 403 case 7: /* reverse */ 404 tcp->attr_mask |= REVERSE_ATTR; 405 tcp->cur_attr = mask2attr(tcp); 406 break; 407 case 22: /* remove bold (or dim) */ 408 tcp->attr_mask &= ~BOLD_ATTR; 409 tcp->cur_attr = mask2attr(tcp); 410 break; 411 case 24: /* remove underline */ 412 tcp->attr_mask &= ~UNDERLINE_ATTR; 413 tcp->cur_attr = mask2attr(tcp); 414 break; 415 case 25: /* remove blink */ 416 tcp->attr_mask &= ~BLINK_ATTR; 417 tcp->cur_attr = mask2attr(tcp); 418 break; 419 case 27: /* remove reverse */ 420 tcp->attr_mask &= ~REVERSE_ATTR; 421 tcp->cur_attr = mask2attr(tcp); 422 break; 423 case 30: case 31: /* set ansi fg color */ 424 case 32: case 33: case 34: 425 case 35: case 36: case 37: 426 tcp->attr_mask |= FG_CHANGED; 427 tcp->cur_color.fg = ansi_col[n - 30]; 428 tcp->cur_attr = mask2attr(tcp); 429 break; 430 case 39: /* restore fg color back to normal */ 431 tcp->attr_mask &= ~(FG_CHANGED|BOLD_ATTR); 432 tcp->cur_color.fg = tcp->std_color.fg; 433 tcp->cur_attr = mask2attr(tcp); 434 break; 435 case 40: case 41: /* set ansi bg color */ 436 case 42: case 43: case 44: 437 case 45: case 46: case 47: 438 tcp->attr_mask |= BG_CHANGED; 439 tcp->cur_color.bg = ansi_col[n - 40]; 440 tcp->cur_attr = mask2attr(tcp); 441 break; 442 case 49: /* restore bg color back to normal */ 443 tcp->attr_mask &= ~BG_CHANGED; 444 tcp->cur_color.bg = tcp->std_color.bg; 445 tcp->cur_attr = mask2attr(tcp); 446 break; 447 } 448 } 449 break; 450 451 case 's': /* Save cursor position */ 452 tcp->saved_xpos = scp->xpos; 453 tcp->saved_ypos = scp->ypos; 454 break; 455 456 case 'u': /* Restore saved cursor position */ 457 if (tcp->saved_xpos >= 0 && tcp->saved_ypos >= 0) 458 sc_move_cursor(scp, tcp->saved_xpos, 459 tcp->saved_ypos); 460 break; 461 462 case 'x': 463 if (tcp->num_param == 0) 464 n = 0; 465 else 466 n = tcp->param[0]; 467 switch (n) { 468 case 0: /* reset colors and attributes back to normal */ 469 tcp->attr_mask = NORMAL_ATTR; 470 tcp->cur_color = tcp->std_color 471 = tcp->dflt_std_color; 472 tcp->rev_color = tcp->dflt_rev_color; 473 tcp->cur_attr = mask2attr(tcp); 474 break; 475 case 1: /* set ansi background */ 476 tcp->attr_mask &= ~BG_CHANGED; 477 tcp->cur_color.bg = tcp->std_color.bg 478 = ansi_col[tcp->param[1] & 0x0f]; 479 tcp->cur_attr = mask2attr(tcp); 480 break; 481 case 2: /* set ansi foreground */ 482 tcp->attr_mask &= ~FG_CHANGED; 483 tcp->cur_color.fg = tcp->std_color.fg 484 = ansi_col[tcp->param[1] & 0x0f]; 485 tcp->cur_attr = mask2attr(tcp); 486 break; 487 case 3: /* set adapter attribute directly */ 488 tcp->attr_mask &= ~(FG_CHANGED | BG_CHANGED); 489 tcp->cur_color.fg = tcp->std_color.fg 490 = tcp->param[1] & 0x0f; 491 tcp->cur_color.bg = tcp->std_color.bg 492 = (tcp->param[1] >> 4) & 0x0f; 493 tcp->cur_attr = mask2attr(tcp); 494 break; 495 case 5: /* set ansi reverse background */ 496 tcp->rev_color.bg = ansi_col[tcp->param[1] & 0x0f]; 497 tcp->cur_attr = mask2attr(tcp); 498 break; 499 case 6: /* set ansi reverse foreground */ 500 tcp->rev_color.fg = ansi_col[tcp->param[1] & 0x0f]; 501 tcp->cur_attr = mask2attr(tcp); 502 break; 503 case 7: /* set adapter reverse attribute directly */ 504 tcp->rev_color.fg = tcp->param[1] & 0x0f; 505 tcp->rev_color.bg = (tcp->param[1] >> 4) & 0x0f; 506 tcp->cur_attr = mask2attr(tcp); 507 break; 508 } 509 break; 510 511 case 'z': /* switch to (virtual) console n */ 512 if (tcp->num_param == 1) 513 sc_switch_scr(sc, tcp->param[0]); 514 break; 515 } 516 } else if (tcp->esc == 3) { /* seen ESC [0-9]+ = */ 517 if (c >= '' && c <= '9') { 518 if (tcp->num_param < MAX_ESC_PAR) { 519 if (tcp->last_param != tcp->num_param) { 520 tcp->last_param = tcp->num_param; 521 tcp->param[tcp->num_param] = 0; 522 } else { 523 tcp->param[tcp->num_param] *= 10; 524 } 525 tcp->param[tcp->num_param] += c - ''; 526 return; 527 } 528 } 529 tcp->num_param = tcp->last_param + 1; 530 switch (c) { 531 532 case ';': 533 if (tcp->num_param < MAX_ESC_PAR) 534 return; 535 break; 536 537 case 'A': /* set display border color */ 538 if (tcp->num_param == 1) { 539 scp->border=tcp->param[0] & 0xff; 540 if (scp == sc->cur_scp) 541 sc_set_border(scp, scp->border); 542 } 543 break; 544 545 case 'B': /* set bell pitch and duration */ 546 if (tcp->num_param == 2) { 547 scp->bell_pitch = tcp->param[0]; 548 scp->bell_duration = 549 (tcp->param[1] * hz + 99) / 100; 550 } 551 break; 552 553 case 'C': /* set cursor type & shape */ 554 crit_enter(); 555 if (!ISGRAPHSC(sc->cur_scp)) 556 sc_remove_cursor_image(sc->cur_scp); 557 if (tcp->num_param == 1) { 558 if (tcp->param[0] & 0x01) 559 sc->flags |= SC_BLINK_CURSOR; 560 else 561 sc->flags &= ~SC_BLINK_CURSOR; 562 if (tcp->param[0] & 0x02) 563 sc->flags |= SC_CHAR_CURSOR; 564 else 565 sc->flags &= ~SC_CHAR_CURSOR; 566 } else if (tcp->num_param == 2) { 567 sc->cursor_base = scp->font_size 568 - (tcp->param[1] & 0x1F) - 1; 569 sc->cursor_height = (tcp->param[1] & 0x1F) 570 - (tcp->param[0] & 0x1F) + 1; 571 } 572 /* 573 * The cursor shape is global property; 574 * all virtual consoles are affected. 575 * Update the cursor in the current console... 576 */ 577 if (!ISGRAPHSC(sc->cur_scp)) { 578 sc_set_cursor_image(sc->cur_scp); 579 sc_draw_cursor_image(sc->cur_scp); 580 } 581 crit_exit(); 582 break; 583 584 case 'F': /* set adapter foreground */ 585 if (tcp->num_param == 1) { 586 tcp->attr_mask &= ~FG_CHANGED; 587 tcp->cur_color.fg = tcp->std_color.fg 588 = tcp->param[0] & 0x0f; 589 tcp->cur_attr = mask2attr(tcp); 590 } 591 break; 592 593 case 'G': /* set adapter background */ 594 if (tcp->num_param == 1) { 595 tcp->attr_mask &= ~BG_CHANGED; 596 tcp->cur_color.bg = tcp->std_color.bg 597 = tcp->param[0] & 0x0f; 598 tcp->cur_attr = mask2attr(tcp); 599 } 600 break; 601 602 case 'H': /* set adapter reverse foreground */ 603 if (tcp->num_param == 1) { 604 tcp->rev_color.fg = tcp->param[0] & 0x0f; 605 tcp->cur_attr = mask2attr(tcp); 606 } 607 break; 608 609 case 'I': /* set adapter reverse background */ 610 if (tcp->num_param == 1) { 611 tcp->rev_color.bg = tcp->param[0] & 0x0f; 612 tcp->cur_attr = mask2attr(tcp); 613 } 614 break; 615 } 616 #if 0 /* notyet */ 617 } else if (tcp->esc == 4) { /* seen ESC Q */ 618 /* to be filled */ 619 #endif 620 } else if (tcp->esc == 5) { /* seen ESC ( */ 621 switch (c) { 622 case 'B': /* iso-2022: desginate ASCII into G0 */ 623 break; 624 /* other items to be filled */ 625 default: 626 break; 627 } 628 } 629 tcp->esc = 0; 630 } 631 632 static void 633 scterm_puts(scr_stat *scp, u_char *buf, int len) 634 { 635 term_stat *tcp; 636 637 tcp = scp->ts; 638 outloop: 639 scp->sc->write_in_progress++; 640 641 if (tcp->esc) { 642 scterm_scan_esc(scp, tcp, *buf); 643 buf++; 644 len--; 645 } else { 646 switch (*buf) { 647 case 0x1b: 648 tcp->esc = 1; 649 tcp->num_param = 0; 650 buf++; 651 len--; 652 break; 653 default: 654 sc_term_gen_print(scp, &buf, &len, tcp->cur_attr); 655 break; 656 } 657 } 658 659 sc_term_gen_scroll(scp, scp->sc->scr_map[0x20], tcp->cur_attr); 660 661 scp->sc->write_in_progress--; 662 if (len) 663 goto outloop; 664 } 665 666 static int 667 scterm_ioctl(scr_stat *scp, struct tty *tp, u_long cmd, caddr_t data, 668 int flag) 669 { 670 term_stat *tcp = scp->ts; 671 vid_info_t *vi; 672 673 switch (cmd) { 674 case GIO_ATTR: /* get current attributes */ 675 /* FIXME: */ 676 *(int*)data = (tcp->cur_attr >> 8) & 0xff; 677 return 0; 678 case CONS_GETINFO: /* get current (virtual) console info */ 679 vi = (vid_info_t *)data; 680 if (vi->size != sizeof(struct vid_info)) 681 return EINVAL; 682 vi->mv_norm.fore = tcp->std_color.fg; 683 vi->mv_norm.back = tcp->std_color.bg; 684 vi->mv_rev.fore = tcp->rev_color.fg; 685 vi->mv_rev.back = tcp->rev_color.bg; 686 /* 687 * The other fields are filled by the upper routine. XXX 688 */ 689 return ENOIOCTL; 690 } 691 return ENOIOCTL; 692 } 693 694 static int 695 scterm_reset(scr_stat *scp, int code) 696 { 697 /* FIXME */ 698 return 0; 699 } 700 701 static void 702 scterm_default_attr(scr_stat *scp, int color, int rev_color) 703 { 704 term_stat *tcp = scp->ts; 705 706 tcp->dflt_std_color.fg = color & 0x0f; 707 tcp->dflt_std_color.bg = (color >> 4) & 0x0f; 708 tcp->dflt_rev_color.fg = rev_color & 0x0f; 709 tcp->dflt_rev_color.bg = (rev_color >> 4) & 0x0f; 710 tcp->std_color = tcp->dflt_std_color; 711 tcp->rev_color = tcp->dflt_rev_color; 712 tcp->cur_color = tcp->std_color; 713 tcp->cur_attr = mask2attr(tcp); 714 } 715 716 static void 717 scterm_clear(scr_stat *scp) 718 { 719 term_stat *tcp = scp->ts; 720 721 sc_move_cursor(scp, 0, 0); 722 sc_vtb_clear(&scp->vtb, scp->sc->scr_map[0x20], tcp->cur_attr); 723 mark_all(scp); 724 } 725 726 static void 727 scterm_notify(scr_stat *scp, int event) 728 { 729 switch (event) { 730 case SC_TE_NOTIFY_VTSWITCH_IN: 731 break; 732 case SC_TE_NOTIFY_VTSWITCH_OUT: 733 break; 734 } 735 } 736 737 static int 738 scterm_input(scr_stat *scp, int c, struct tty *tp) 739 { 740 return FALSE; 741 } 742 743 /* 744 * Calculate hardware attributes word using logical attributes mask and 745 * hardware colors 746 */ 747 748 /* FIXME */ 749 static int 750 mask2attr(term_stat *tcp) 751 { 752 int attr, mask = tcp->attr_mask; 753 754 if (mask & REVERSE_ATTR) { 755 attr = ((mask & FG_CHANGED) ? 756 tcp->cur_color.bg : tcp->rev_color.fg) | 757 (((mask & BG_CHANGED) ? 758 tcp->cur_color.fg : tcp->rev_color.bg) << 4); 759 } else 760 attr = tcp->cur_color.fg | (tcp->cur_color.bg << 4); 761 762 /* XXX: underline mapping for Hercules adapter can be better */ 763 if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 764 attr ^= 0x08; 765 if (mask & BLINK_ATTR) 766 attr ^= 0x80; 767 768 return (attr << 8); 769 } 770 771 #endif /* SC_DUMB_TERMINAL */
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