Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/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 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include "opt_syscons.h" 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/kernel.h> 36 #include <sys/module.h> 37 #include <sys/consio.h> 38 39 #if defined(__arm__) || defined(__mips__) || defined(__powerpc__) 40 #include <machine/sc_machdep.h> 41 #else 42 #include <machine/pc/display.h> 43 #endif 44 45 #include <dev/syscons/syscons.h> 46 #include <dev/syscons/sctermvar.h> 47 48 #define MAX_ESC_PAR 5 49 50 /* attribute flags */ 51 typedef struct { 52 u_short fg; /* foreground color */ 53 u_short bg; /* background color */ 54 } color_t; 55 56 typedef struct { 57 int flags; 58 #define SCTERM_BUSY (1 << 0) 59 int esc; 60 int num_param; 61 int last_param; 62 int param[MAX_ESC_PAR]; 63 int saved_xpos; 64 int saved_ypos; 65 int attr_mask; /* current logical attr mask */ 66 #define NORMAL_ATTR 0x00 67 #define BLINK_ATTR 0x01 68 #define BOLD_ATTR 0x02 69 #define UNDERLINE_ATTR 0x04 70 #define REVERSE_ATTR 0x08 71 #define FG_CHANGED 0x10 72 #define BG_CHANGED 0x20 73 int cur_attr; /* current hardware attr word */ 74 color_t cur_color; /* current hardware color */ 75 color_t std_color; /* normal hardware color */ 76 color_t rev_color; /* reverse hardware color */ 77 color_t dflt_std_color; /* default normal color */ 78 color_t dflt_rev_color; /* default reverse color */ 79 } term_stat; 80 81 static sc_term_init_t scterm_init; 82 static sc_term_term_t scterm_term; 83 static sc_term_puts_t scterm_puts; 84 static sc_term_ioctl_t scterm_ioctl; 85 static sc_term_reset_t scterm_reset; 86 static sc_term_default_attr_t scterm_default_attr; 87 static sc_term_clear_t scterm_clear; 88 static sc_term_notify_t scterm_notify; 89 static sc_term_input_t scterm_input; 90 static sc_term_fkeystr_t scterm_fkeystr; 91 static sc_term_sync_t scterm_sync; 92 93 static sc_term_sw_t sc_term_sc = { 94 { NULL, NULL }, 95 "sc", /* emulator name */ 96 "syscons terminal", /* description */ 97 "*", /* matching renderer, any :-) */ 98 sizeof(term_stat), /* softc size */ 99 0, 100 scterm_init, 101 scterm_term, 102 scterm_puts, 103 scterm_ioctl, 104 scterm_reset, 105 scterm_default_attr, 106 scterm_clear, 107 scterm_notify, 108 scterm_input, 109 scterm_fkeystr, 110 scterm_sync, 111 }; 112 113 SCTERM_MODULE(sc, sc_term_sc); 114 115 static term_stat reserved_term_stat; 116 static void scterm_scan_esc(scr_stat *scp, term_stat *tcp, 117 u_char c); 118 static int mask2attr(term_stat *tcp); 119 120 static int 121 scterm_init(scr_stat *scp, void **softc, int code) 122 { 123 term_stat *tcp; 124 125 if (*softc == NULL) { 126 if (reserved_term_stat.flags & SCTERM_BUSY) 127 return EINVAL; 128 *softc = &reserved_term_stat; 129 } 130 tcp = *softc; 131 132 switch (code) { 133 case SC_TE_COLD_INIT: 134 bzero(tcp, sizeof(*tcp)); 135 tcp->flags = SCTERM_BUSY; 136 tcp->esc = 0; 137 tcp->saved_xpos = -1; 138 tcp->saved_ypos = -1; 139 tcp->attr_mask = NORMAL_ATTR; 140 /* XXX */ 141 tcp->dflt_std_color.fg = SC_NORM_ATTR & 0x0f; 142 tcp->dflt_std_color.bg = (SC_NORM_ATTR >> 4) & 0x0f; 143 tcp->dflt_rev_color.fg = SC_NORM_REV_ATTR & 0x0f; 144 tcp->dflt_rev_color.bg = (SC_NORM_REV_ATTR >> 4) & 0x0f; 145 tcp->std_color = tcp->dflt_std_color; 146 tcp->rev_color = tcp->dflt_rev_color; 147 tcp->cur_color = tcp->std_color; 148 tcp->cur_attr = mask2attr(tcp); 149 ++sc_term_sc.te_refcount; 150 break; 151 152 case SC_TE_WARM_INIT: 153 tcp->esc = 0; 154 tcp->saved_xpos = -1; 155 tcp->saved_ypos = -1; 156 #if 0 157 tcp->std_color = tcp->dflt_std_color; 158 tcp->rev_color = tcp->dflt_rev_color; 159 #endif 160 tcp->cur_color = tcp->std_color; 161 tcp->cur_attr = mask2attr(tcp); 162 break; 163 } 164 165 return 0; 166 } 167 168 static int 169 scterm_term(scr_stat *scp, void **softc) 170 { 171 if (*softc == &reserved_term_stat) { 172 *softc = NULL; 173 bzero(&reserved_term_stat, sizeof(reserved_term_stat)); 174 } 175 --sc_term_sc.te_refcount; 176 return 0; 177 } 178 179 static void 180 scterm_scan_esc(scr_stat *scp, term_stat *tcp, u_char c) 181 { 182 static u_char ansi_col[16] = { 183 FG_BLACK, FG_RED, FG_GREEN, FG_BROWN, 184 FG_BLUE, FG_MAGENTA, FG_CYAN, FG_LIGHTGREY, 185 FG_DARKGREY, FG_LIGHTRED, FG_LIGHTGREEN, FG_YELLOW, 186 FG_LIGHTBLUE, FG_LIGHTMAGENTA, FG_LIGHTCYAN, FG_WHITE 187 }; 188 static int cattrs[] = { 189 0, /* block */ 190 CONS_BLINK_CURSOR, /* blinking block */ 191 CONS_CHAR_CURSOR, /* underline */ 192 CONS_CHAR_CURSOR | CONS_BLINK_CURSOR, /* blinking underline */ 193 CONS_RESET_CURSOR, /* reset to default */ 194 CONS_HIDDEN_CURSOR, /* hide cursor */ 195 }; 196 static int tcattrs[] = { 197 CONS_RESET_CURSOR | CONS_LOCAL_CURSOR, /* normal */ 198 CONS_HIDDEN_CURSOR | CONS_LOCAL_CURSOR, /* invisible */ 199 CONS_BLINK_CURSOR | CONS_LOCAL_CURSOR, /* very visible */ 200 }; 201 sc_softc_t *sc; 202 int v0, v1, v2; 203 int i, n; 204 205 i = n = 0; 206 sc = scp->sc; 207 if (tcp->esc == 1) { /* seen ESC */ 208 switch (c) { 209 case '7': /* Save cursor position */ 210 tcp->saved_xpos = scp->xpos; 211 tcp->saved_ypos = scp->ypos; 212 break; 213 214 case '8': /* Restore saved cursor position */ 215 if (tcp->saved_xpos >= 0 && tcp->saved_ypos >= 0) 216 sc_move_cursor(scp, tcp->saved_xpos, 217 tcp->saved_ypos); 218 break; 219 220 case '[': /* Start ESC [ sequence */ 221 tcp->esc = 2; 222 tcp->last_param = -1; 223 for (i = tcp->num_param; i < MAX_ESC_PAR; i++) 224 tcp->param[i] = 1; 225 tcp->num_param = 0; 226 return; 227 228 case 'M': /* Move cursor up 1 line, scroll if at top */ 229 sc_term_up_scroll(scp, 1, sc->scr_map[0x20], 230 tcp->cur_attr, 0, 0); 231 break; 232 #ifdef notyet 233 case 'Q': 234 tcp->esc = 4; 235 return; 236 #endif 237 case 'c': /* reset */ 238 tcp->attr_mask = NORMAL_ATTR; 239 tcp->cur_color = tcp->std_color 240 = tcp->dflt_std_color; 241 tcp->rev_color = tcp->dflt_rev_color; 242 tcp->cur_attr = mask2attr(tcp); 243 sc_change_cursor_shape(scp, 244 CONS_RESET_CURSOR | CONS_LOCAL_CURSOR, -1, -1); 245 sc_clear_screen(scp); 246 break; 247 248 case '(': /* iso-2022: designate 94 character set to G0 */ 249 tcp->esc = 5; 250 return; 251 } 252 } else if (tcp->esc == 2) { /* seen ESC [ */ 253 if (c >= '' && c <= '9') { 254 if (tcp->num_param < MAX_ESC_PAR) { 255 if (tcp->last_param != tcp->num_param) { 256 tcp->last_param = tcp->num_param; 257 tcp->param[tcp->num_param] = 0; 258 } else { 259 tcp->param[tcp->num_param] *= 10; 260 } 261 tcp->param[tcp->num_param] += c - ''; 262 return; 263 } 264 } 265 tcp->num_param = tcp->last_param + 1; 266 switch (c) { 267 case ';': 268 if (tcp->num_param < MAX_ESC_PAR) 269 return; 270 break; 271 272 case '=': 273 tcp->esc = 3; 274 tcp->last_param = -1; 275 for (i = tcp->num_param; i < MAX_ESC_PAR; i++) 276 tcp->param[i] = 1; 277 tcp->num_param = 0; 278 return; 279 280 case 'A': /* up n rows */ 281 sc_term_up(scp, tcp->param[0], 0); 282 break; 283 284 case 'B': /* down n rows */ 285 sc_term_down(scp, tcp->param[0], 0); 286 break; 287 288 case 'C': /* right n columns */ 289 sc_term_right(scp, tcp->param[0]); 290 break; 291 292 case 'D': /* left n columns */ 293 sc_term_left(scp, tcp->param[0]); 294 break; 295 296 case 'E': /* cursor to start of line n lines down */ 297 n = tcp->param[0]; 298 if (n < 1) 299 n = 1; 300 sc_move_cursor(scp, 0, scp->ypos + n); 301 break; 302 303 case 'F': /* cursor to start of line n lines up */ 304 n = tcp->param[0]; 305 if (n < 1) 306 n = 1; 307 sc_move_cursor(scp, 0, scp->ypos - n); 308 break; 309 310 case 'f': /* Cursor move */ 311 case 'H': 312 if (tcp->num_param == 0) 313 sc_move_cursor(scp, 0, 0); 314 else if (tcp->num_param == 2) 315 sc_move_cursor(scp, tcp->param[1] - 1, 316 tcp->param[0] - 1); 317 break; 318 319 case 'J': /* Clear all or part of display */ 320 if (tcp->num_param == 0) 321 n = 0; 322 else 323 n = tcp->param[0]; 324 sc_term_clr_eos(scp, n, sc->scr_map[0x20], 325 tcp->cur_attr); 326 break; 327 328 case 'K': /* Clear all or part of line */ 329 if (tcp->num_param == 0) 330 n = 0; 331 else 332 n = tcp->param[0]; 333 sc_term_clr_eol(scp, n, sc->scr_map[0x20], 334 tcp->cur_attr); 335 break; 336 337 case 'L': /* Insert n lines */ 338 sc_term_ins_line(scp, scp->ypos, tcp->param[0], 339 sc->scr_map[0x20], tcp->cur_attr, 0); 340 break; 341 342 case 'M': /* Delete n lines */ 343 sc_term_del_line(scp, scp->ypos, tcp->param[0], 344 sc->scr_map[0x20], tcp->cur_attr, 0); 345 break; 346 347 case 'P': /* Delete n chars */ 348 sc_term_del_char(scp, tcp->param[0], 349 sc->scr_map[0x20], tcp->cur_attr); 350 break; 351 352 case '@': /* Insert n chars */ 353 sc_term_ins_char(scp, tcp->param[0], 354 sc->scr_map[0x20], tcp->cur_attr); 355 break; 356 357 case 'S': /* scroll up n lines */ 358 sc_term_del_line(scp, 0, tcp->param[0], 359 sc->scr_map[0x20], tcp->cur_attr, 0); 360 break; 361 362 case 'T': /* scroll down n lines */ 363 sc_term_ins_line(scp, 0, tcp->param[0], 364 sc->scr_map[0x20], tcp->cur_attr, 0); 365 break; 366 367 case 'X': /* erase n characters in line */ 368 n = tcp->param[0]; 369 if (n < 1) 370 n = 1; 371 if (n > scp->xsize - scp->xpos) 372 n = scp->xsize - scp->xpos; 373 sc_vtb_erase(&scp->vtb, scp->cursor_pos, n, 374 sc->scr_map[0x20], tcp->cur_attr); 375 mark_for_update(scp, scp->cursor_pos); 376 mark_for_update(scp, scp->cursor_pos + n - 1); 377 break; 378 379 case 'Z': /* move n tabs backwards */ 380 sc_term_backtab(scp, tcp->param[0]); 381 break; 382 383 case '`': /* move cursor to column n */ 384 sc_term_col(scp, tcp->param[0]); 385 break; 386 387 case 'a': /* move cursor n columns to the right */ 388 sc_term_right(scp, tcp->param[0]); 389 break; 390 391 case 'd': /* move cursor to row n */ 392 sc_term_row(scp, tcp->param[0]); 393 break; 394 395 case 'e': /* move cursor n rows down */ 396 sc_term_down(scp, tcp->param[0], 0); 397 break; 398 399 case 'm': /* change attribute */ 400 if (tcp->num_param == 0) { 401 tcp->attr_mask = NORMAL_ATTR; 402 tcp->cur_color = tcp->std_color; 403 tcp->cur_attr = mask2attr(tcp); 404 break; 405 } 406 for (i = 0; i < tcp->num_param; i++) { 407 switch (n = tcp->param[i]) { 408 case 0: /* back to normal */ 409 tcp->attr_mask = NORMAL_ATTR; 410 tcp->cur_color = tcp->std_color; 411 tcp->cur_attr = mask2attr(tcp); 412 break; 413 case 1: /* bold */ 414 tcp->attr_mask |= BOLD_ATTR; 415 tcp->cur_attr = mask2attr(tcp); 416 break; 417 case 4: /* underline */ 418 tcp->attr_mask |= UNDERLINE_ATTR; 419 tcp->cur_attr = mask2attr(tcp); 420 break; 421 case 5: /* blink */ 422 tcp->attr_mask |= BLINK_ATTR; 423 tcp->cur_attr = mask2attr(tcp); 424 break; 425 case 7: /* reverse */ 426 tcp->attr_mask |= REVERSE_ATTR; 427 tcp->cur_attr = mask2attr(tcp); 428 break; 429 case 22: /* remove bold (or dim) */ 430 tcp->attr_mask &= ~BOLD_ATTR; 431 tcp->cur_attr = mask2attr(tcp); 432 break; 433 case 24: /* remove underline */ 434 tcp->attr_mask &= ~UNDERLINE_ATTR; 435 tcp->cur_attr = mask2attr(tcp); 436 break; 437 case 25: /* remove blink */ 438 tcp->attr_mask &= ~BLINK_ATTR; 439 tcp->cur_attr = mask2attr(tcp); 440 break; 441 case 27: /* remove reverse */ 442 tcp->attr_mask &= ~REVERSE_ATTR; 443 tcp->cur_attr = mask2attr(tcp); 444 break; 445 case 30: case 31: /* set ansi fg color */ 446 case 32: case 33: case 34: 447 case 35: case 36: case 37: 448 tcp->attr_mask |= FG_CHANGED; 449 tcp->cur_color.fg = ansi_col[n - 30]; 450 tcp->cur_attr = mask2attr(tcp); 451 break; 452 case 39: /* restore fg color back to normal */ 453 tcp->attr_mask &= ~(FG_CHANGED|BOLD_ATTR); 454 tcp->cur_color.fg = tcp->std_color.fg; 455 tcp->cur_attr = mask2attr(tcp); 456 break; 457 case 40: case 41: /* set ansi bg color */ 458 case 42: case 43: case 44: 459 case 45: case 46: case 47: 460 tcp->attr_mask |= BG_CHANGED; 461 tcp->cur_color.bg = ansi_col[n - 40]; 462 tcp->cur_attr = mask2attr(tcp); 463 break; 464 case 49: /* restore bg color back to normal */ 465 tcp->attr_mask &= ~BG_CHANGED; 466 tcp->cur_color.bg = tcp->std_color.bg; 467 tcp->cur_attr = mask2attr(tcp); 468 break; 469 } 470 } 471 break; 472 473 case 's': /* Save cursor position */ 474 tcp->saved_xpos = scp->xpos; 475 tcp->saved_ypos = scp->ypos; 476 break; 477 478 case 'u': /* Restore saved cursor position */ 479 if (tcp->saved_xpos >= 0 && tcp->saved_ypos >= 0) 480 sc_move_cursor(scp, tcp->saved_xpos, 481 tcp->saved_ypos); 482 break; 483 484 case 'x': 485 if (tcp->num_param == 0) 486 n = 0; 487 else 488 n = tcp->param[0]; 489 switch (n) { 490 case 0: /* reset colors and attributes back to normal */ 491 tcp->attr_mask = NORMAL_ATTR; 492 tcp->cur_color = tcp->std_color 493 = tcp->dflt_std_color; 494 tcp->rev_color = tcp->dflt_rev_color; 495 tcp->cur_attr = mask2attr(tcp); 496 break; 497 case 1: /* set ansi background */ 498 tcp->attr_mask &= ~BG_CHANGED; 499 tcp->cur_color.bg = tcp->std_color.bg 500 = ansi_col[tcp->param[1] & 0x0f]; 501 tcp->cur_attr = mask2attr(tcp); 502 break; 503 case 2: /* set ansi foreground */ 504 tcp->attr_mask &= ~FG_CHANGED; 505 tcp->cur_color.fg = tcp->std_color.fg 506 = ansi_col[tcp->param[1] & 0x0f]; 507 tcp->cur_attr = mask2attr(tcp); 508 break; 509 case 3: /* set adapter attribute directly */ 510 tcp->attr_mask &= ~(FG_CHANGED | BG_CHANGED); 511 tcp->cur_color.fg = tcp->std_color.fg 512 = tcp->param[1] & 0x0f; 513 tcp->cur_color.bg = tcp->std_color.bg 514 = (tcp->param[1] >> 4) & 0x0f; 515 tcp->cur_attr = mask2attr(tcp); 516 break; 517 case 5: /* set ansi reverse background */ 518 tcp->rev_color.bg = ansi_col[tcp->param[1] & 0x0f]; 519 tcp->cur_attr = mask2attr(tcp); 520 break; 521 case 6: /* set ansi reverse foreground */ 522 tcp->rev_color.fg = ansi_col[tcp->param[1] & 0x0f]; 523 tcp->cur_attr = mask2attr(tcp); 524 break; 525 case 7: /* set adapter reverse attribute directly */ 526 tcp->rev_color.fg = tcp->param[1] & 0x0f; 527 tcp->rev_color.bg = (tcp->param[1] >> 4) & 0x0f; 528 tcp->cur_attr = mask2attr(tcp); 529 break; 530 } 531 break; 532 533 case 'z': /* switch to (virtual) console n */ 534 if (tcp->num_param == 1) 535 sc_switch_scr(sc, tcp->param[0]); 536 break; 537 } 538 } else if (tcp->esc == 3) { /* seen ESC [0-9]+ = */ 539 if (c >= '' && c <= '9') { 540 if (tcp->num_param < MAX_ESC_PAR) { 541 if (tcp->last_param != tcp->num_param) { 542 tcp->last_param = tcp->num_param; 543 tcp->param[tcp->num_param] = 0; 544 } else { 545 tcp->param[tcp->num_param] *= 10; 546 } 547 tcp->param[tcp->num_param] += c - ''; 548 return; 549 } 550 } 551 tcp->num_param = tcp->last_param + 1; 552 switch (c) { 553 case ';': 554 if (tcp->num_param < MAX_ESC_PAR) 555 return; 556 break; 557 558 case 'A': /* set display border color */ 559 if (tcp->num_param == 1) { 560 scp->border=tcp->param[0] & 0xff; 561 if (scp == sc->cur_scp) 562 sc_set_border(scp, scp->border); 563 } 564 break; 565 566 case 'B': /* set bell pitch and duration */ 567 if (tcp->num_param == 2) { 568 scp->bell_pitch = tcp->param[0]; 569 scp->bell_duration = 570 (tcp->param[1] * hz + 99) / 100; 571 } 572 break; 573 574 case 'C': /* set global/parmanent cursor type & shape */ 575 i = spltty(); 576 n = tcp->num_param; 577 v0 = tcp->param[0]; 578 v1 = tcp->param[1]; 579 v2 = tcp->param[2]; 580 switch (n) { 581 case 1: /* flags only */ 582 if (v0 < sizeof(cattrs)/sizeof(cattrs[0])) 583 v0 = cattrs[v0]; 584 else /* backward compatibility */ 585 v0 = cattrs[v0 & 0x3]; 586 sc_change_cursor_shape(scp, v0, -1, -1); 587 break; 588 case 2: 589 v2 = 0; 590 v0 &= 0x1f; /* backward compatibility */ 591 v1 &= 0x1f; 592 /* FALL THROUGH */ 593 case 3: /* base and height */ 594 if (v2 == 0) /* count from top */ 595 sc_change_cursor_shape(scp, -1, 596 scp->font_size - v1 - 1, 597 v1 - v0 + 1); 598 else if (v2 == 1) /* count from bottom */ 599 sc_change_cursor_shape(scp, -1, 600 v0, v1 - v0 + 1); 601 break; 602 } 603 splx(i); 604 break; 605 606 case 'F': /* set adapter foreground */ 607 if (tcp->num_param == 1) { 608 tcp->attr_mask &= ~FG_CHANGED; 609 tcp->cur_color.fg = tcp->std_color.fg 610 = tcp->param[0] & 0x0f; 611 tcp->cur_attr = mask2attr(tcp); 612 } 613 break; 614 615 case 'G': /* set adapter background */ 616 if (tcp->num_param == 1) { 617 tcp->attr_mask &= ~BG_CHANGED; 618 tcp->cur_color.bg = tcp->std_color.bg 619 = tcp->param[0] & 0x0f; 620 tcp->cur_attr = mask2attr(tcp); 621 } 622 break; 623 624 case 'H': /* set adapter reverse foreground */ 625 if (tcp->num_param == 1) { 626 tcp->rev_color.fg = tcp->param[0] & 0x0f; 627 tcp->cur_attr = mask2attr(tcp); 628 } 629 break; 630 631 case 'I': /* set adapter reverse background */ 632 if (tcp->num_param == 1) { 633 tcp->rev_color.bg = tcp->param[0] & 0x0f; 634 tcp->cur_attr = mask2attr(tcp); 635 } 636 break; 637 638 case 'S': /* set local/temporary cursor type & shape */ 639 i = spltty(); 640 n = tcp->num_param; 641 v0 = tcp->param[0]; 642 switch (n) { 643 case 0: 644 v0 = 0; 645 /* FALL THROUGH */ 646 case 1: 647 if (v0 < sizeof(tcattrs)/sizeof(tcattrs[0])) 648 sc_change_cursor_shape(scp, 649 tcattrs[v0], -1, -1); 650 break; 651 } 652 splx(i); 653 break; 654 } 655 #ifdef notyet 656 } else if (tcp->esc == 4) { /* seen ESC Q */ 657 /* to be filled */ 658 #endif 659 } else if (tcp->esc == 5) { /* seen ESC ( */ 660 switch (c) { 661 case 'B': /* iso-2022: desginate ASCII into G0 */ 662 break; 663 /* other items to be filled */ 664 default: 665 break; 666 } 667 } 668 tcp->esc = 0; 669 } 670 671 static void 672 scterm_puts(scr_stat *scp, u_char *buf, int len) 673 { 674 term_stat *tcp; 675 676 tcp = scp->ts; 677 outloop: 678 scp->sc->write_in_progress++; 679 680 if (tcp->esc) { 681 scterm_scan_esc(scp, tcp, *buf); 682 buf++; 683 len--; 684 } else { 685 switch (*buf) { 686 case 0x1b: 687 tcp->esc = 1; 688 tcp->num_param = 0; 689 buf++; 690 len--; 691 break; 692 default: 693 sc_term_gen_print(scp, &buf, &len, tcp->cur_attr); 694 break; 695 } 696 } 697 698 sc_term_gen_scroll(scp, scp->sc->scr_map[0x20], tcp->cur_attr); 699 700 scp->sc->write_in_progress--; 701 if (len) 702 goto outloop; 703 } 704 705 static int 706 scterm_ioctl(scr_stat *scp, struct tty *tp, u_long cmd, caddr_t data, 707 struct thread *td) 708 { 709 term_stat *tcp = scp->ts; 710 vid_info_t *vi; 711 712 switch (cmd) { 713 case GIO_ATTR: /* get current attributes */ 714 /* FIXME: */ 715 *(int*)data = (tcp->cur_attr >> 8) & 0xff; 716 return 0; 717 case CONS_GETINFO: /* get current (virtual) console info */ 718 vi = (vid_info_t *)data; 719 if (vi->size != sizeof(struct vid_info)) 720 return EINVAL; 721 vi->mv_norm.fore = tcp->std_color.fg; 722 vi->mv_norm.back = tcp->std_color.bg; 723 vi->mv_rev.fore = tcp->rev_color.fg; 724 vi->mv_rev.back = tcp->rev_color.bg; 725 /* 726 * The other fields are filled by the upper routine. XXX 727 */ 728 return ENOIOCTL; 729 } 730 return ENOIOCTL; 731 } 732 733 static int 734 scterm_reset(scr_stat *scp, int code) 735 { 736 /* FIXME */ 737 return 0; 738 } 739 740 static void 741 scterm_default_attr(scr_stat *scp, int color, int rev_color) 742 { 743 term_stat *tcp = scp->ts; 744 745 tcp->dflt_std_color.fg = color & 0x0f; 746 tcp->dflt_std_color.bg = (color >> 4) & 0x0f; 747 tcp->dflt_rev_color.fg = rev_color & 0x0f; 748 tcp->dflt_rev_color.bg = (rev_color >> 4) & 0x0f; 749 tcp->std_color = tcp->dflt_std_color; 750 tcp->rev_color = tcp->dflt_rev_color; 751 tcp->cur_color = tcp->std_color; 752 tcp->cur_attr = mask2attr(tcp); 753 } 754 755 static void 756 scterm_clear(scr_stat *scp) 757 { 758 term_stat *tcp = scp->ts; 759 760 sc_move_cursor(scp, 0, 0); 761 sc_vtb_clear(&scp->vtb, scp->sc->scr_map[0x20], tcp->cur_attr); 762 mark_all(scp); 763 } 764 765 static void 766 scterm_notify(scr_stat *scp, int event) 767 { 768 switch (event) { 769 case SC_TE_NOTIFY_VTSWITCH_IN: 770 break; 771 case SC_TE_NOTIFY_VTSWITCH_OUT: 772 break; 773 } 774 } 775 776 static int 777 scterm_input(scr_stat *scp, int c, struct tty *tp) 778 { 779 return FALSE; 780 } 781 782 static const char * 783 scterm_fkeystr(scr_stat *scp, int c) 784 { 785 return (NULL); 786 } 787 788 static void 789 scterm_sync(scr_stat *scp) 790 { 791 } 792 793 /* 794 * Calculate hardware attributes word using logical attributes mask and 795 * hardware colors 796 */ 797 798 /* FIXME */ 799 static int 800 mask2attr(term_stat *tcp) 801 { 802 int attr, mask = tcp->attr_mask; 803 804 if (mask & REVERSE_ATTR) { 805 attr = ((mask & FG_CHANGED) ? 806 tcp->cur_color.bg : tcp->rev_color.fg) | 807 (((mask & BG_CHANGED) ? 808 tcp->cur_color.fg : tcp->rev_color.bg) << 4); 809 } else 810 attr = tcp->cur_color.fg | (tcp->cur_color.bg << 4); 811 812 /* XXX: underline mapping for Hercules adapter can be better */ 813 if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 814 attr ^= 0x08; 815 if (mask & BLINK_ATTR) 816 attr ^= 0x80; 817 818 return (attr << 8); 819 }
Cache object: 8c5f0e3487597c2eade6f71806322867
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