sys/dev/misc/syscons/scterm-sc.c

   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  * $DragonFly: src/sys/dev/misc/syscons/scterm-sc.c,v 1.8 2008/08/10 19:47:31 swildner Exp $
  29  */
  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/consio.h>
  37 #include <sys/thread2.h>
  38
  39 #include <machine/pc/display.h>
  40
  41 #include "syscons.h"
  42 #include "sctermvar.h"
  43
  44 #ifndef SC_DUMB_TERMINAL
  45
  46 #define MAX_ESC_PAR     5
  47
  48 /* attribute flags */
  49 typedef struct {
  50         u_short         fg;                     /* foreground color */
  51         u_short         bg;                     /* background color */
  52 } color_t;
  53
  54 typedef struct {
  55         int             flags;
  56 #define SCTERM_BUSY     (1 << 0)
  57         int             esc;
  58         int             num_param;
  59         int             last_param;
  60         int             param[MAX_ESC_PAR];
  61         int             saved_xpos;
  62         int             saved_ypos;
  63         int             attr_mask;              /* current logical attr mask */
  64 #define NORMAL_ATTR     0x00
  65 #define BLINK_ATTR      0x01
  66 #define BOLD_ATTR       0x02
  67 #define UNDERLINE_ATTR  0x04
  68 #define REVERSE_ATTR    0x08
  69 #define FG_CHANGED      0x10
  70 #define BG_CHANGED      0x20
  71         int             cur_attr;               /* current hardware attr word */
  72         color_t         cur_color;              /* current hardware color */
  73         color_t         std_color;              /* normal hardware color */
  74         color_t         rev_color;              /* reverse hardware color */
  75         color_t         dflt_std_color;         /* default normal color */
  76         color_t         dflt_rev_color;         /* default reverse color */
  77 } term_stat;
  78
  79 static sc_term_init_t   scterm_init;
  80 static sc_term_term_t   scterm_term;
  81 static sc_term_puts_t   scterm_puts;
  82 static sc_term_ioctl_t  scterm_ioctl;
  83 static sc_term_reset_t  scterm_reset;
  84 static sc_term_default_attr_t   scterm_default_attr;
  85 static sc_term_clear_t  scterm_clear;
  86 static sc_term_notify_t scterm_notify;
  87 static sc_term_input_t  scterm_input;
  88
  89 static sc_term_sw_t sc_term_sc = {
  90         { NULL, NULL },
  91         "sc",                                   /* emulator name */
  92         "syscons terminal",                     /* description */
  93         "*",                                    /* matching renderer, any :-) */
  94         sizeof(term_stat),                      /* softc size */
  95         0,
  96         scterm_init,
  97         scterm_term,
  98         scterm_puts,
  99         scterm_ioctl,
 100         scterm_reset,
 101         scterm_default_attr,
 102         scterm_clear,
 103         scterm_notify,
 104         scterm_input,
 105 };
 106
 107 SCTERM_MODULE(sc, sc_term_sc);
 108
 109 static term_stat        reserved_term_stat;
 110 static void             scterm_scan_esc(scr_stat *scp, term_stat *tcp,
 111                                         u_char c);
 112 static int              mask2attr(term_stat *tcp);
 113
 114 static int
 115 scterm_init(scr_stat *scp, void **softc, int code)
 116 {
 117         term_stat *tcp;
 118
 119         if (*softc == NULL) {
 120                 if (reserved_term_stat.flags & SCTERM_BUSY)
 121                         return EINVAL;
 122                 *softc = &reserved_term_stat;
 123         }
 124         tcp = *softc;
 125
 126         switch (code) {
 127         case SC_TE_COLD_INIT:
 128                 bzero(tcp, sizeof(*tcp));
 129                 tcp->flags = SCTERM_BUSY;
 130                 tcp->esc = 0;
 131                 tcp->saved_xpos = -1;
 132                 tcp->saved_ypos = -1;
 133                 tcp->attr_mask = NORMAL_ATTR;
 134                 /* XXX */
 135                 tcp->dflt_std_color.fg = SC_NORM_ATTR & 0x0f;
 136                 tcp->dflt_std_color.bg = (SC_NORM_ATTR >> 4) & 0x0f;
 137                 tcp->dflt_rev_color.fg = SC_NORM_REV_ATTR & 0x0f;
 138                 tcp->dflt_rev_color.bg = (SC_NORM_REV_ATTR >> 4) & 0x0f;
 139                 tcp->std_color = tcp->dflt_std_color;
 140                 tcp->rev_color = tcp->dflt_rev_color;
 141                 tcp->cur_color = tcp->std_color;
 142                 tcp->cur_attr = mask2attr(tcp);
 143                 ++sc_term_sc.te_refcount;
 144                 break;
 145
 146         case SC_TE_WARM_INIT:
 147                 tcp->esc = 0;
 148                 tcp->saved_xpos = -1;
 149                 tcp->saved_ypos = -1;
 150 #if 0
 151                 tcp->std_color = tcp->dflt_std_color;
 152                 tcp->rev_color = tcp->dflt_rev_color;
 153 #endif
 154                 tcp->cur_color = tcp->std_color;
 155                 tcp->cur_attr = mask2attr(tcp);
 156                 break;
 157         }
 158
 159         return 0;
 160 }
 161
 162 static int
 163 scterm_term(scr_stat *scp, void **softc)
 164 {
 165         if (*softc == &reserved_term_stat) {
 166                 *softc = NULL;
 167                 bzero(&reserved_term_stat, sizeof(reserved_term_stat));
 168         }
 169         --sc_term_sc.te_refcount;
 170         return 0;
 171 }
 172
 173 static void
 174 scterm_scan_esc(scr_stat *scp, term_stat *tcp, u_char c)
 175 {
 176         static u_char ansi_col[16] = {
 177                 FG_BLACK,     FG_RED,          FG_GREEN,      FG_BROWN,
 178                 FG_BLUE,      FG_MAGENTA,      FG_CYAN,       FG_LIGHTGREY,
 179                 FG_DARKGREY,  FG_LIGHTRED,     FG_LIGHTGREEN, FG_YELLOW,
 180                 FG_LIGHTBLUE, FG_LIGHTMAGENTA, FG_LIGHTCYAN,  FG_WHITE
 181         };
 182         sc_softc_t *sc;
 183         int i, n;
 184
 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,
 197                                                tcp->saved_ypos);
 198                         break;
 199
 200                 case '[':       /* Start ESC [ sequence */
 201                         tcp->esc = 2;
 202                         tcp->last_param = -1;
 203                         for (i = tcp->num_param; i < MAX_ESC_PAR; i++)
 204                                 tcp->param[i] = 1;
 205                         tcp->num_param = 0;
 206                         return;
 207
 208                 case 'M':       /* Move cursor up 1 line, scroll if at top */
 209                         sc_term_up_scroll(scp, 1, sc->scr_map[0x20],
 210                                           tcp->cur_attr, 0, 0);
 211                         break;
 212 #if notyet
 213                 case 'Q':
 214                         tcp->esc = 4;
 215                         return;
 216 #endif
 217                 case 'c':       /* reset */
 218                         tcp->attr_mask = NORMAL_ATTR;
 219                         tcp->cur_color = tcp->std_color
 220                                        = tcp->dflt_std_color;
 221                         tcp->rev_color = tcp->dflt_rev_color;
 222                         tcp->cur_attr = mask2attr(tcp);
 223                         sc_clear_screen(scp);
 224                         break;
 225
 226                 case '(':       /* iso-2022: designate 94 character set to G0 */
 227                         tcp->esc = 5;
 228                         return;
 229                 }
 230         } else if (tcp->esc == 2) {     /* seen ESC [ */
 231                 if (c >= '0' && c <= '9') {
 232                         if (tcp->num_param < MAX_ESC_PAR) {
 233                                 if (tcp->last_param != tcp->num_param) {
 234                                         tcp->last_param = tcp->num_param;
 235                                         tcp->param[tcp->num_param] = 0;
 236                                 } else {
 237                                         tcp->param[tcp->num_param] *= 10;
 238                                 }
 239                                 tcp->param[tcp->num_param] += c - '0';
 240                                 return;
 241                         }
 242                 }
 243                 tcp->num_param = tcp->last_param + 1;
 244                 switch (c) {
 245
 246                 case ';':
 247                         if (tcp->num_param < MAX_ESC_PAR)
 248                                 return;
 249                         break;
 250
 251                 case '=':
 252                         tcp->esc = 3;
 253                         tcp->last_param = -1;
 254                         for (i = tcp->num_param; i < MAX_ESC_PAR; i++)
 255                                 tcp->param[i] = 1;
 256                         tcp->num_param = 0;
 257                         return;
 258
 259                 case 'A':       /* up n rows */
 260                         sc_term_up(scp, tcp->param[0], 0);
 261                         break;
 262
 263                 case 'B':       /* down n rows */
 264                         sc_term_down(scp, tcp->param[0], 0);
 265                         break;
 266
 267                 case 'C':       /* right n columns */
 268                         sc_term_right(scp, tcp->param[0]);
 269                         break;
 270
 271                 case 'D':       /* left n columns */
 272                         sc_term_left(scp, tcp->param[0]);
 273                         break;
 274
 275                 case 'E':       /* cursor to start of line n lines down */
 276                         n = tcp->param[0];
 277                         if (n < 1)
 278                                 n = 1;
 279                         sc_move_cursor(scp, 0, scp->ypos + n);
 280                         break;
 281
 282                 case 'F':       /* cursor to start of line n lines up */
 283                         n = tcp->param[0];
 284                         if (n < 1)
 285                                 n = 1;
 286                         sc_move_cursor(scp, 0, scp->ypos - n);
 287                         break;
 288
 289                 case 'f':       /* Cursor move */
 290                 case 'H':
 291                         if (tcp->num_param == 0)
 292                                 sc_move_cursor(scp, 0, 0);
 293                         else if (tcp->num_param == 2)
 294                                 sc_move_cursor(scp, tcp->param[1] - 1,
 295                                                tcp->param[0] - 1);
 296                         break;
 297
 298                 case 'J':       /* Clear all or part of display */
 299                         if (tcp->num_param == 0)
 300                                 n = 0;
 301                         else
 302                                 n = tcp->param[0];
 303                         sc_term_clr_eos(scp, n, sc->scr_map[0x20],
 304                                         tcp->cur_attr);
 305                         break;
 306
 307                 case 'K':       /* Clear all or part of line */
 308                         if (tcp->num_param == 0)
 309                                 n = 0;
 310                         else
 311                                 n = tcp->param[0];
 312                         sc_term_clr_eol(scp, n, sc->scr_map[0x20],
 313                                         tcp->cur_attr);
 314                         break;
 315
 316                 case 'L':       /* Insert n lines */
 317                         sc_term_ins_line(scp, scp->ypos, tcp->param[0],
 318                                          sc->scr_map[0x20], tcp->cur_attr, 0);
 319                         break;
 320
 321                 case 'M':       /* Delete n lines */
 322                         sc_term_del_line(scp, scp->ypos, tcp->param[0],
 323                                          sc->scr_map[0x20], tcp->cur_attr, 0);
 324                         break;
 325
 326                 case 'P':       /* Delete n chars */
 327                         sc_term_del_char(scp, tcp->param[0],
 328                                          sc->scr_map[0x20], tcp->cur_attr);
 329                         break;
 330
 331                 case '@':       /* Insert n chars */
 332                         sc_term_ins_char(scp, tcp->param[0],
 333                                          sc->scr_map[0x20], tcp->cur_attr);
 334                         break;
 335
 336                 case 'S':       /* scroll up n lines */
 337                         sc_term_del_line(scp, 0, tcp->param[0],
 338                                          sc->scr_map[0x20], tcp->cur_attr, 0);
 339                         break;
 340
 341                 case 'T':       /* scroll down n lines */
 342                         sc_term_ins_line(scp, 0, tcp->param[0],
 343                                          sc->scr_map[0x20], tcp->cur_attr, 0);
 344                         break;
 345
 346                 case 'X':       /* erase n characters in line */
 347                         n = tcp->param[0];
 348                         if (n < 1)
 349                                 n = 1;
 350                         if (n > scp->xsize - scp->xpos)
 351                                 n = scp->xsize - scp->xpos;
 352                         sc_vtb_erase(&scp->vtb, scp->cursor_pos, n,
 353                                      sc->scr_map[0x20], tcp->cur_attr);
 354                         mark_for_update(scp, scp->cursor_pos);
 355                         mark_for_update(scp, scp->cursor_pos + n - 1);
 356                         break;
 357
 358                 case 'Z':       /* move n tabs backwards */
 359                         sc_term_backtab(scp, tcp->param[0]);
 360                         break;
 361
 362                 case '`':       /* move cursor to column n */
 363                         sc_term_col(scp, tcp->param[0]);
 364                         break;
 365
 366                 case 'a':       /* move cursor n columns to the right */
 367                         sc_term_right(scp, tcp->param[0]);
 368                         break;
 369
 370                 case 'd':       /* move cursor to row n */
 371                         sc_term_row(scp, tcp->param[0]);
 372                         break;
 373
 374                 case 'e':       /* move cursor n rows down */
 375                         sc_term_down(scp, tcp->param[0], 0);
 376                         break;
 377
 378                 case 'm':       /* change attribute */
 379                         if (tcp->num_param == 0) {
 380                                 tcp->attr_mask = NORMAL_ATTR;
 381                                 tcp->cur_color = tcp->std_color;
 382                                 tcp->cur_attr = mask2attr(tcp);
 383                                 break;
 384                         }
 385                         for (i = 0; i < tcp->num_param; i++) {
 386                                 switch (n = tcp->param[i]) {
 387                                 case 0: /* back to normal */
 388                                         tcp->attr_mask = NORMAL_ATTR;
 389                                         tcp->cur_color = tcp->std_color;
 390                                         tcp->cur_attr = mask2attr(tcp);
 391                                         break;
 392                                 case 1: /* bold */
 393                                         tcp->attr_mask |= BOLD_ATTR;
 394                                         tcp->cur_attr = mask2attr(tcp);
 395                                         break;
 396                                 case 4: /* underline */
 397                                         tcp->attr_mask |= UNDERLINE_ATTR;
 398                                         tcp->cur_attr = mask2attr(tcp);
 399                                         break;
 400                                 case 5: /* blink */
 401                                         tcp->attr_mask |= BLINK_ATTR;
 402                                         tcp->cur_attr = mask2attr(tcp);
 403                                         break;
 404                                 case 7: /* reverse */
 405                                         tcp->attr_mask |= REVERSE_ATTR;
 406                                         tcp->cur_attr = mask2attr(tcp);
 407                                         break;
 408                                 case 22: /* remove bold (or dim) */
 409                                         tcp->attr_mask &= ~BOLD_ATTR;
 410                                         tcp->cur_attr = mask2attr(tcp);
 411                                         break;
 412                                 case 24: /* remove underline */
 413                                         tcp->attr_mask &= ~UNDERLINE_ATTR;
 414                                         tcp->cur_attr = mask2attr(tcp);
 415                                         break;
 416                                 case 25: /* remove blink */
 417                                         tcp->attr_mask &= ~BLINK_ATTR;
 418                                         tcp->cur_attr = mask2attr(tcp);
 419                                         break;
 420                                 case 27: /* remove reverse */
 421                                         tcp->attr_mask &= ~REVERSE_ATTR;
 422                                         tcp->cur_attr = mask2attr(tcp);
 423                                         break;
 424                                 case 30: case 31: /* set ansi fg color */
 425                                 case 32: case 33: case 34:
 426                                 case 35: case 36: case 37:
 427                                         tcp->attr_mask |= FG_CHANGED;
 428                                         tcp->cur_color.fg = ansi_col[n - 30];
 429                                         tcp->cur_attr = mask2attr(tcp);
 430                                         break;
 431                                 case 39: /* restore fg color back to normal */
 432                                         tcp->attr_mask &= ~(FG_CHANGED|BOLD_ATTR);
 433                                         tcp->cur_color.fg = tcp->std_color.fg;
 434                                         tcp->cur_attr = mask2attr(tcp);
 435                                         break;
 436                                 case 40: case 41: /* set ansi bg color */
 437                                 case 42: case 43: case 44:
 438                                 case 45: case 46: case 47:
 439                                         tcp->attr_mask |= BG_CHANGED;
 440                                         tcp->cur_color.bg = ansi_col[n - 40];
 441                                         tcp->cur_attr = mask2attr(tcp);
 442                                         break;
 443                                 case 49: /* restore bg color back to normal */
 444                                         tcp->attr_mask &= ~BG_CHANGED;
 445                                         tcp->cur_color.bg = tcp->std_color.bg;
 446                                         tcp->cur_attr = mask2attr(tcp);
 447                                         break;
 448                                 }
 449                         }
 450                         break;
 451
 452                 case 's':       /* Save cursor position */
 453                         tcp->saved_xpos = scp->xpos;
 454                         tcp->saved_ypos = scp->ypos;
 455                         break;
 456
 457                 case 'u':       /* Restore saved cursor position */
 458                         if (tcp->saved_xpos >= 0 && tcp->saved_ypos >= 0)
 459                                 sc_move_cursor(scp, tcp->saved_xpos,
 460                                                tcp->saved_ypos);
 461                         break;
 462
 463                 case 'x':
 464                         if (tcp->num_param == 0)
 465                                 n = 0;
 466                         else
 467                                 n = tcp->param[0];
 468                         switch (n) {
 469                         case 0: /* reset colors and attributes back to normal */
 470                                 tcp->attr_mask = NORMAL_ATTR;
 471                                 tcp->cur_color = tcp->std_color
 472                                                = tcp->dflt_std_color;
 473                                 tcp->rev_color = tcp->dflt_rev_color;
 474                                 tcp->cur_attr = mask2attr(tcp);
 475                                 break;
 476                         case 1: /* set ansi background */
 477                                 tcp->attr_mask &= ~BG_CHANGED;
 478                                 tcp->cur_color.bg = tcp->std_color.bg
 479                                                   = ansi_col[tcp->param[1] & 0x0f];
 480                                 tcp->cur_attr = mask2attr(tcp);
 481                                 break;
 482                         case 2: /* set ansi foreground */
 483                                 tcp->attr_mask &= ~FG_CHANGED;
 484                                 tcp->cur_color.fg = tcp->std_color.fg
 485                                                   = ansi_col[tcp->param[1] & 0x0f];
 486                                 tcp->cur_attr = mask2attr(tcp);
 487                                 break;
 488                         case 3: /* set adapter attribute directly */
 489                                 tcp->attr_mask &= ~(FG_CHANGED | BG_CHANGED);
 490                                 tcp->cur_color.fg = tcp->std_color.fg
 491                                                   = tcp->param[1] & 0x0f;
 492                                 tcp->cur_color.bg = tcp->std_color.bg
 493                                                   = (tcp->param[1] >> 4) & 0x0f;
 494                                 tcp->cur_attr = mask2attr(tcp);
 495                                 break;
 496                         case 5: /* set ansi reverse background */
 497                                 tcp->rev_color.bg = ansi_col[tcp->param[1] & 0x0f];
 498                                 tcp->cur_attr = mask2attr(tcp);
 499                                 break;
 500                         case 6: /* set ansi reverse foreground */
 501                                 tcp->rev_color.fg = ansi_col[tcp->param[1] & 0x0f];
 502                                 tcp->cur_attr = mask2attr(tcp);
 503                                 break;
 504                         case 7: /* set adapter reverse attribute directly */
 505                                 tcp->rev_color.fg = tcp->param[1] & 0x0f;
 506                                 tcp->rev_color.bg = (tcp->param[1] >> 4) & 0x0f;
 507                                 tcp->cur_attr = mask2attr(tcp);
 508                                 break;
 509                         }
 510                         break;
 511
 512                 case 'z':       /* switch to (virtual) console n */
 513                         if (tcp->num_param == 1)
 514                                 sc_switch_scr(sc, tcp->param[0]);
 515                         break;
 516                 }
 517         } else if (tcp->esc == 3) {     /* seen ESC [0-9]+ = */
 518                 if (c >= '0' && c <= '9') {
 519                         if (tcp->num_param < MAX_ESC_PAR) {
 520                                 if (tcp->last_param != tcp->num_param) {
 521                                         tcp->last_param = tcp->num_param;
 522                                         tcp->param[tcp->num_param] = 0;
 523                                 } else {
 524                                         tcp->param[tcp->num_param] *= 10;
 525                                 }
 526                                 tcp->param[tcp->num_param] += c - '0';
 527                                 return;
 528                         }
 529                 }
 530                 tcp->num_param = tcp->last_param + 1;
 531                 switch (c) {
 532
 533                 case ';':
 534                         if (tcp->num_param < MAX_ESC_PAR)
 535                                 return;
 536                         break;
 537
 538                 case 'A':   /* set display border color */
 539                         if (tcp->num_param == 1) {
 540                                 scp->border=tcp->param[0] & 0xff;
 541                                 if (scp == sc->cur_scp)
 542                                         sc_set_border(scp, scp->border);
 543                         }
 544                         break;
 545
 546                 case 'B':   /* set bell pitch and duration */
 547                         if (tcp->num_param == 2) {
 548                                 scp->bell_pitch = tcp->param[0];
 549                                 scp->bell_duration =
 550                                     (tcp->param[1] * hz + 99) / 100;
 551                         }
 552                         break;
 553
 554                 case 'C':   /* set cursor type & shape */
 555                         crit_enter();
 556                         if (!ISGRAPHSC(sc->cur_scp))
 557                                 sc_remove_cursor_image(sc->cur_scp);
 558                         if (tcp->num_param == 1) {
 559                                 if (tcp->param[0] & 0x01)
 560                                         sc->flags |= SC_BLINK_CURSOR;
 561                                 else
 562                                         sc->flags &= ~SC_BLINK_CURSOR;
 563                                 if (tcp->param[0] & 0x02)
 564                                         sc->flags |= SC_CHAR_CURSOR;
 565                                 else
 566                                         sc->flags &= ~SC_CHAR_CURSOR;
 567                         } else if (tcp->num_param == 2) {
 568                                 sc->cursor_base = scp->font_size
 569                                                 - (tcp->param[1] & 0x1F) - 1;
 570                                 sc->cursor_height = (tcp->param[1] & 0x1F)
 571                                                 - (tcp->param[0] & 0x1F) + 1;
 572                         }
 573                         /*
 574                          * The cursor shape is global property;
 575                          * all virtual consoles are affected.
 576                          * Update the cursor in the current console...
 577                          */
 578                         if (!ISGRAPHSC(sc->cur_scp)) {
 579                                 sc_set_cursor_image(sc->cur_scp);
 580                                 sc_draw_cursor_image(sc->cur_scp);
 581                         }
 582                         crit_exit();
 583                         break;
 584
 585                 case 'F':   /* set adapter foreground */
 586                         if (tcp->num_param == 1) {
 587                                 tcp->attr_mask &= ~FG_CHANGED;
 588                                 tcp->cur_color.fg = tcp->std_color.fg
 589                                                   = tcp->param[0] & 0x0f;
 590                                 tcp->cur_attr = mask2attr(tcp);
 591                         }
 592                         break;
 593
 594                 case 'G':   /* set adapter background */
 595                         if (tcp->num_param == 1) {
 596                                 tcp->attr_mask &= ~BG_CHANGED;
 597                                 tcp->cur_color.bg = tcp->std_color.bg
 598                                                   = tcp->param[0] & 0x0f;
 599                                 tcp->cur_attr = mask2attr(tcp);
 600                         }
 601                         break;
 602
 603                 case 'H':   /* set adapter reverse foreground */
 604                         if (tcp->num_param == 1) {
 605                                 tcp->rev_color.fg = tcp->param[0] & 0x0f;
 606                                 tcp->cur_attr = mask2attr(tcp);
 607                         }
 608                         break;
 609
 610                 case 'I':   /* set adapter reverse background */
 611                         if (tcp->num_param == 1) {
 612                                 tcp->rev_color.bg = tcp->param[0] & 0x0f;
 613                                 tcp->cur_attr = mask2attr(tcp);
 614                         }
 615                         break;
 616                 }
 617 #if notyet
 618         } else if (tcp->esc == 4) {     /* seen ESC Q */
 619                 /* to be filled */
 620 #endif
 621         } else if (tcp->esc == 5) {     /* seen ESC ( */
 622                 switch (c) {
 623                 case 'B':   /* iso-2022: desginate ASCII into G0 */
 624                         break;
 625                 /* other items to be filled */
 626                 default:
 627                         break;
 628                 }
 629         }
 630         tcp->esc = 0;
 631 }
 632
 633 static void
 634 scterm_puts(scr_stat *scp, u_char *buf, int len)
 635 {
 636         term_stat *tcp;
 637
 638         tcp = scp->ts;
 639 outloop:
 640         scp->sc->write_in_progress++;
 641
 642         if (tcp->esc) {
 643                 scterm_scan_esc(scp, tcp, *buf);
 644                 buf++;
 645                 len--;
 646         } else {
 647                 switch (*buf) {
 648                 case 0x1b:
 649                         tcp->esc = 1;
 650                         tcp->num_param = 0;
 651                         buf++;
 652                         len--;
 653                         break;
 654                 default:
 655                         sc_term_gen_print(scp, &buf, &len, tcp->cur_attr);
 656                         break;
 657                 }
 658         }
 659
 660         sc_term_gen_scroll(scp, scp->sc->scr_map[0x20], tcp->cur_attr);
 661
 662         scp->sc->write_in_progress--;
 663         if (len)
 664                 goto outloop;
 665 }
 666
 667 static int
 668 scterm_ioctl(scr_stat *scp, struct tty *tp, u_long cmd, caddr_t data,
 669              int flag)
 670 {
 671         term_stat *tcp = scp->ts;
 672         vid_info_t *vi;
 673
 674         switch (cmd) {
 675         case GIO_ATTR:          /* get current attributes */
 676                 /* FIXME: */
 677                 *(int*)data = (tcp->cur_attr >> 8) & 0xff;
 678                 return 0;
 679         case CONS_GETINFO:      /* get current (virtual) console info */
 680                 vi = (vid_info_t *)data;
 681                 if (vi->size != sizeof(struct vid_info))
 682                         return EINVAL;
 683                 vi->mv_norm.fore = tcp->std_color.fg;
 684                 vi->mv_norm.back = tcp->std_color.bg;
 685                 vi->mv_rev.fore = tcp->rev_color.fg;
 686                 vi->mv_rev.back = tcp->rev_color.bg;
 687                 /*
 688                  * The other fields are filled by the upper routine. XXX
 689                  */
 690                 return ENOIOCTL;
 691         }
 692         return ENOIOCTL;
 693 }
 694
 695 static int
 696 scterm_reset(scr_stat *scp, int code)
 697 {
 698         /* FIXME */
 699         return 0;
 700 }
 701
 702 static void
 703 scterm_default_attr(scr_stat *scp, int color, int rev_color)
 704 {
 705         term_stat *tcp = scp->ts;
 706
 707         tcp->dflt_std_color.fg = color & 0x0f;
 708         tcp->dflt_std_color.bg = (color >> 4) & 0x0f;
 709         tcp->dflt_rev_color.fg = rev_color & 0x0f;
 710         tcp->dflt_rev_color.bg = (rev_color >> 4) & 0x0f;
 711         tcp->std_color = tcp->dflt_std_color;
 712         tcp->rev_color = tcp->dflt_rev_color;
 713         tcp->cur_color = tcp->std_color;
 714         tcp->cur_attr = mask2attr(tcp);
 715 }
 716
 717 static void
 718 scterm_clear(scr_stat *scp)
 719 {
 720         term_stat *tcp = scp->ts;
 721
 722         sc_move_cursor(scp, 0, 0);
 723         sc_vtb_clear(&scp->vtb, scp->sc->scr_map[0x20], tcp->cur_attr);
 724         mark_all(scp);
 725 }
 726
 727 static void
 728 scterm_notify(scr_stat *scp, int event)
 729 {
 730         switch (event) {
 731         case SC_TE_NOTIFY_VTSWITCH_IN:
 732                 break;
 733         case SC_TE_NOTIFY_VTSWITCH_OUT:
 734                 break;
 735         }
 736 }
 737
 738 static int
 739 scterm_input(scr_stat *scp, int c, struct tty *tp)
 740 {
 741         return FALSE;
 742 }
 743
 744 /*
 745  * Calculate hardware attributes word using logical attributes mask and
 746  * hardware colors
 747  */
 748
 749 /* FIXME */
 750 static int
 751 mask2attr(term_stat *tcp)
 752 {
 753         int attr, mask = tcp->attr_mask;
 754
 755         if (mask & REVERSE_ATTR) {
 756                 attr = ((mask & FG_CHANGED) ?
 757                         tcp->cur_color.bg : tcp->rev_color.fg) |
 758                         (((mask & BG_CHANGED) ?
 759                         tcp->cur_color.fg : tcp->rev_color.bg) << 4);
 760         } else
 761                 attr = tcp->cur_color.fg | (tcp->cur_color.bg << 4);
 762
 763         /* XXX: underline mapping for Hercules adapter can be better */
 764         if (mask & (BOLD_ATTR | UNDERLINE_ATTR))
 765                 attr ^= 0x08;
 766         if (mask & BLINK_ATTR)
 767                 attr ^= 0x80;
 768
 769         return (attr << 8);
 770 }
 771
 772 #endif /* SC_DUMB_TERMINAL */