sys/dev/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
  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 >= '0' && 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 - '0';
 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 >= '0' && 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 - '0';
 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 }