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  */
  29
  30 #include "opt_syscons.h"
  31
  32 #include <sys/param.h>
  33 #include <sys/systm.h>
  34 #include <sys/kernel.h>
  35 #include <sys/consio.h>
  36
  37 #include <machine/pc/display.h>
  38
  39 #include <dev/syscons/syscons.h>
  40 #include <dev/syscons/sctermvar.h>
  41
  42 #ifndef SC_DUMB_TERMINAL
  43
  44 #define MAX_ESC_PAR     5
  45
  46 /* attribute flags */
  47 typedef struct {
  48         u_short         fg;                     /* foreground color */
  49         u_short         bg;                     /* background color */
  50 } color_t;
  51
  52 typedef struct {
  53         int             flags;
  54 #define SCTERM_BUSY     (1 << 0)
  55         int             esc;
  56         int             num_param;
  57         int             last_param;
  58         int             param[MAX_ESC_PAR];
  59         int             saved_xpos;
  60         int             saved_ypos;
  61         int             attr_mask;              /* current logical attr mask */
  62 #define NORMAL_ATTR     0x00
  63 #define BLINK_ATTR      0x01
  64 #define BOLD_ATTR       0x02
  65 #define UNDERLINE_ATTR  0x04
  66 #define REVERSE_ATTR    0x08
  67 #define FG_CHANGED      0x10
  68 #define BG_CHANGED      0x20
  69         int             cur_attr;               /* current hardware attr word */
  70         color_t         cur_color;              /* current hardware color */
  71         color_t         std_color;              /* normal hardware color */
  72         color_t         rev_color;              /* reverse hardware color */
  73         color_t         dflt_std_color;         /* default normal color */
  74         color_t         dflt_rev_color;         /* default reverse color */
  75 } term_stat;
  76
  77 static sc_term_init_t   scterm_init;
  78 static sc_term_term_t   scterm_term;
  79 static sc_term_puts_t   scterm_puts;
  80 static sc_term_ioctl_t  scterm_ioctl;
  81 static sc_term_reset_t  scterm_reset;
  82 static sc_term_default_attr_t   scterm_default_attr;
  83 static sc_term_clear_t  scterm_clear;
  84 static sc_term_notify_t scterm_notify;
  85 static sc_term_input_t  scterm_input;
  86
  87 static sc_term_sw_t sc_term_sc = {
  88         { NULL, NULL },
  89         "sc",                                   /* emulator name */
  90         "syscons terminal",                     /* description */
  91         "*",                                    /* matching renderer, any :-) */
  92         sizeof(term_stat),                      /* softc size */
  93         0,
  94         scterm_init,
  95         scterm_term,
  96         scterm_puts,
  97         scterm_ioctl,
  98         scterm_reset,
  99         scterm_default_attr,
 100         scterm_clear,
 101         scterm_notify,
 102         scterm_input,
 103 };
 104
 105 SCTERM_MODULE(sc, sc_term_sc);
 106
 107 static term_stat        reserved_term_stat;
 108 static void             scterm_scan_esc(scr_stat *scp, term_stat *tcp,
 109                                         u_char c);
 110 static int              mask2attr(term_stat *tcp);
 111
 112 static int
 113 scterm_init(scr_stat *scp, void **softc, int code)
 114 {
 115         term_stat *tcp;
 116
 117         if (*softc == NULL) {
 118                 if (reserved_term_stat.flags & SCTERM_BUSY)
 119                         return EINVAL;
 120                 *softc = &reserved_term_stat;
 121         }
 122         tcp = *softc;
 123
 124         switch (code) {
 125         case SC_TE_COLD_INIT:
 126                 bzero(tcp, sizeof(*tcp));
 127                 tcp->flags = SCTERM_BUSY;
 128                 tcp->esc = 0;
 129                 tcp->saved_xpos = -1;
 130                 tcp->saved_ypos = -1;
 131                 tcp->attr_mask = NORMAL_ATTR;
 132                 /* XXX */
 133                 tcp->dflt_std_color.fg = SC_NORM_ATTR & 0x0f;
 134                 tcp->dflt_std_color.bg = (SC_NORM_ATTR >> 4) & 0x0f;
 135                 tcp->dflt_rev_color.fg = SC_NORM_REV_ATTR & 0x0f;
 136                 tcp->dflt_rev_color.bg = (SC_NORM_REV_ATTR >> 4) & 0x0f;
 137                 tcp->std_color = tcp->dflt_std_color;
 138                 tcp->rev_color = tcp->dflt_rev_color;
 139                 tcp->cur_color = tcp->std_color;
 140                 tcp->cur_attr = mask2attr(tcp);
 141                 ++sc_term_sc.te_refcount;
 142                 break;
 143
 144         case SC_TE_WARM_INIT:
 145                 tcp->esc = 0;
 146                 tcp->saved_xpos = -1;
 147                 tcp->saved_ypos = -1;
 148 #if 0
 149                 tcp->std_color = tcp->dflt_std_color;
 150                 tcp->rev_color = tcp->dflt_rev_color;
 151 #endif
 152                 tcp->cur_color = tcp->std_color;
 153                 tcp->cur_attr = mask2attr(tcp);
 154                 break;
 155         }
 156
 157         return 0;
 158 }
 159
 160 static int
 161 scterm_term(scr_stat *scp, void **softc)
 162 {
 163         if (*softc == &reserved_term_stat) {
 164                 *softc = NULL;
 165                 bzero(&reserved_term_stat, sizeof(reserved_term_stat));
 166         }
 167         --sc_term_sc.te_refcount;
 168         return 0;
 169 }
 170
 171 static void
 172 scterm_scan_esc(scr_stat *scp, term_stat *tcp, u_char c)
 173 {
 174         static u_char ansi_col[16] = {
 175 #ifdef __alpha__
 176                 /*
 177                  * DEC is evil.  They switch the red and blue attributes in
 178                  * the palette in the system console.  As a simple work-around,
 179                  * re-map the ANSI colors appropriately.
 180                  */
 181                 FG_BLACK,     FG_BLUE,         FG_GREEN,      FG_CYAN,
 182                 FG_RED,       FG_MAGENTA,      FG_BROWN,      FG_LIGHTGREY,
 183                 FG_DARKGREY,  FG_LIGHTBLUE,    FG_LIGHTGREEN, FG_LIGHTCYAN,
 184                 FG_LIGHTRED,  FG_LIGHTMAGENTA, FG_YELLOW,     FG_WHITE
 185 #else
 186                 FG_BLACK,     FG_RED,          FG_GREEN,      FG_BROWN,
 187                 FG_BLUE,      FG_MAGENTA,      FG_CYAN,       FG_LIGHTGREY,
 188                 FG_DARKGREY,  FG_LIGHTRED,     FG_LIGHTGREEN, FG_YELLOW,
 189                 FG_LIGHTBLUE, FG_LIGHTMAGENTA, FG_LIGHTCYAN,  FG_WHITE
 190 #endif
 191         };
 192         sc_softc_t *sc;
 193         int i, n;
 194
 195         i = n = 0;
 196         sc = scp->sc;
 197         if (tcp->esc == 1) {    /* seen ESC */
 198                 switch (c) {
 199
 200                 case '7':       /* Save cursor position */
 201                         tcp->saved_xpos = scp->xpos;
 202                         tcp->saved_ypos = scp->ypos;
 203                         break;
 204
 205                 case '8':       /* Restore saved cursor position */
 206                         if (tcp->saved_xpos >= 0 && tcp->saved_ypos >= 0)
 207                                 sc_move_cursor(scp, tcp->saved_xpos,
 208                                                tcp->saved_ypos);
 209                         break;
 210
 211                 case '[':       /* Start ESC [ sequence */
 212                         tcp->esc = 2;
 213                         tcp->last_param = -1;
 214                         for (i = tcp->num_param; i < MAX_ESC_PAR; i++)
 215                                 tcp->param[i] = 1;
 216                         tcp->num_param = 0;
 217                         return;
 218
 219                 case 'M':       /* Move cursor up 1 line, scroll if at top */
 220                         sc_term_up_scroll(scp, 1, sc->scr_map[0x20],
 221                                           tcp->cur_attr, 0, 0);
 222                         break;
 223 #if notyet
 224                 case 'Q':
 225                         tcp->esc = 4;
 226                         return;
 227 #endif
 228                 case 'c':       /* reset */
 229                         tcp->attr_mask = NORMAL_ATTR;
 230                         tcp->cur_color = tcp->std_color
 231                                        = tcp->dflt_std_color;
 232                         tcp->rev_color = tcp->dflt_rev_color;
 233                         tcp->cur_attr = mask2attr(tcp);
 234                         sc_clear_screen(scp);
 235                         break;
 236
 237                 case '(':       /* iso-2022: designate 94 character set to G0 */
 238                         tcp->esc = 5;
 239                         return;
 240                 }
 241         } else if (tcp->esc == 2) {     /* seen ESC [ */
 242                 if (c >= '0' && c <= '9') {
 243                         if (tcp->num_param < MAX_ESC_PAR) {
 244                                 if (tcp->last_param != tcp->num_param) {
 245                                         tcp->last_param = tcp->num_param;
 246                                         tcp->param[tcp->num_param] = 0;
 247                                 } else {
 248                                         tcp->param[tcp->num_param] *= 10;
 249                                 }
 250                                 tcp->param[tcp->num_param] += c - '0';
 251                                 return;
 252                         }
 253                 }
 254                 tcp->num_param = tcp->last_param + 1;
 255                 switch (c) {
 256
 257                 case ';':
 258                         if (tcp->num_param < MAX_ESC_PAR)
 259                                 return;
 260                         break;
 261
 262                 case '=':
 263                         tcp->esc = 3;
 264                         tcp->last_param = -1;
 265                         for (i = tcp->num_param; i < MAX_ESC_PAR; i++)
 266                                 tcp->param[i] = 1;
 267                         tcp->num_param = 0;
 268                         return;
 269
 270                 case 'A':       /* up n rows */
 271                         sc_term_up(scp, tcp->param[0], 0);
 272                         break;
 273
 274                 case 'B':       /* down n rows */
 275                         sc_term_down(scp, tcp->param[0], 0);
 276                         break;
 277
 278                 case 'C':       /* right n columns */
 279                         sc_term_right(scp, tcp->param[0]);
 280                         break;
 281
 282                 case 'D':       /* left n columns */
 283                         sc_term_left(scp, tcp->param[0]);
 284                         break;
 285
 286                 case 'E':       /* cursor to start of line n lines down */
 287                         n = tcp->param[0];
 288                         if (n < 1)
 289                                 n = 1;
 290                         sc_move_cursor(scp, 0, scp->ypos + n);
 291                         break;
 292
 293                 case 'F':       /* cursor to start of line n lines up */
 294                         n = tcp->param[0];
 295                         if (n < 1)
 296                                 n = 1;
 297                         sc_move_cursor(scp, 0, scp->ypos - n);
 298                         break;
 299
 300                 case 'f':       /* Cursor move */
 301                 case 'H':
 302                         if (tcp->num_param == 0)
 303                                 sc_move_cursor(scp, 0, 0);
 304                         else if (tcp->num_param == 2)
 305                                 sc_move_cursor(scp, tcp->param[1] - 1,
 306                                                tcp->param[0] - 1);
 307                         break;
 308
 309                 case 'J':       /* Clear all or part of display */
 310                         if (tcp->num_param == 0)
 311                                 n = 0;
 312                         else
 313                                 n = tcp->param[0];
 314                         sc_term_clr_eos(scp, n, sc->scr_map[0x20],
 315                                         tcp->cur_attr);
 316                         break;
 317
 318                 case 'K':       /* Clear all or part of line */
 319                         if (tcp->num_param == 0)
 320                                 n = 0;
 321                         else
 322                                 n = tcp->param[0];
 323                         sc_term_clr_eol(scp, n, sc->scr_map[0x20],
 324                                         tcp->cur_attr);
 325                         break;
 326
 327                 case 'L':       /* Insert n lines */
 328                         sc_term_ins_line(scp, scp->ypos, tcp->param[0],
 329                                          sc->scr_map[0x20], tcp->cur_attr, 0);
 330                         break;
 331
 332                 case 'M':       /* Delete n lines */
 333                         sc_term_del_line(scp, scp->ypos, tcp->param[0],
 334                                          sc->scr_map[0x20], tcp->cur_attr, 0);
 335                         break;
 336
 337                 case 'P':       /* Delete n chars */
 338                         sc_term_del_char(scp, tcp->param[0],
 339                                          sc->scr_map[0x20], tcp->cur_attr);
 340                         break;
 341
 342                 case '@':       /* Insert n chars */
 343                         sc_term_ins_char(scp, tcp->param[0],
 344                                          sc->scr_map[0x20], tcp->cur_attr);
 345                         break;
 346
 347                 case 'S':       /* scroll up n lines */
 348                         sc_term_del_line(scp, 0, tcp->param[0],
 349                                          sc->scr_map[0x20], tcp->cur_attr, 0);
 350                         break;
 351
 352                 case 'T':       /* scroll down n lines */
 353                         sc_term_ins_line(scp, 0, tcp->param[0],
 354                                          sc->scr_map[0x20], tcp->cur_attr, 0);
 355                         break;
 356
 357                 case 'X':       /* erase n characters in line */
 358                         n = tcp->param[0];
 359                         if (n < 1)
 360                                 n = 1;
 361                         if (n > scp->xsize - scp->xpos)
 362                                 n = scp->xsize - scp->xpos;
 363                         sc_vtb_erase(&scp->vtb, scp->cursor_pos, n,
 364                                      sc->scr_map[0x20], tcp->cur_attr);
 365                         mark_for_update(scp, scp->cursor_pos);
 366                         mark_for_update(scp, scp->cursor_pos + n - 1);
 367                         break;
 368
 369                 case 'Z':       /* move n tabs backwards */
 370                         sc_term_backtab(scp, tcp->param[0]);
 371                         break;
 372
 373                 case '`':       /* move cursor to column n */
 374                         sc_term_col(scp, tcp->param[0]);
 375                         break;
 376
 377                 case 'a':       /* move cursor n columns to the right */
 378                         sc_term_right(scp, tcp->param[0]);
 379                         break;
 380
 381                 case 'd':       /* move cursor to row n */
 382                         sc_term_row(scp, tcp->param[0]);
 383                         break;
 384
 385                 case 'e':       /* move cursor n rows down */
 386                         sc_term_down(scp, tcp->param[0], 0);
 387                         break;
 388
 389                 case 'm':       /* change attribute */
 390                         if (tcp->num_param == 0) {
 391                                 tcp->attr_mask = NORMAL_ATTR;
 392                                 tcp->cur_color = tcp->std_color;
 393                                 tcp->cur_attr = mask2attr(tcp);
 394                                 break;
 395                         }
 396                         for (i = 0; i < tcp->num_param; i++) {
 397                                 switch (n = tcp->param[i]) {
 398                                 case 0: /* back to normal */
 399                                         tcp->attr_mask = NORMAL_ATTR;
 400                                         tcp->cur_color = tcp->std_color;
 401                                         tcp->cur_attr = mask2attr(tcp);
 402                                         break;
 403                                 case 1: /* bold */
 404                                         tcp->attr_mask |= BOLD_ATTR;
 405                                         tcp->cur_attr = mask2attr(tcp);
 406                                         break;
 407                                 case 4: /* underline */
 408                                         tcp->attr_mask |= UNDERLINE_ATTR;
 409                                         tcp->cur_attr = mask2attr(tcp);
 410                                         break;
 411                                 case 5: /* blink */
 412                                         tcp->attr_mask |= BLINK_ATTR;
 413                                         tcp->cur_attr = mask2attr(tcp);
 414                                         break;
 415                                 case 7: /* reverse */
 416                                         tcp->attr_mask |= REVERSE_ATTR;
 417                                         tcp->cur_attr = mask2attr(tcp);
 418                                         break;
 419                                 case 22: /* remove bold (or dim) */
 420                                         tcp->attr_mask &= ~BOLD_ATTR;
 421                                         tcp->cur_attr = mask2attr(tcp);
 422                                         break;
 423                                 case 24: /* remove underline */
 424                                         tcp->attr_mask &= ~UNDERLINE_ATTR;
 425                                         tcp->cur_attr = mask2attr(tcp);
 426                                         break;
 427                                 case 25: /* remove blink */
 428                                         tcp->attr_mask &= ~BLINK_ATTR;
 429                                         tcp->cur_attr = mask2attr(tcp);
 430                                         break;
 431                                 case 27: /* remove reverse */
 432                                         tcp->attr_mask &= ~REVERSE_ATTR;
 433                                         tcp->cur_attr = mask2attr(tcp);
 434                                         break;
 435                                 case 30: case 31: /* set ansi fg color */
 436                                 case 32: case 33: case 34:
 437                                 case 35: case 36: case 37:
 438                                         tcp->attr_mask |= FG_CHANGED;
 439                                         tcp->cur_color.fg = ansi_col[n - 30];
 440                                         tcp->cur_attr = mask2attr(tcp);
 441                                         break;
 442                                 case 39: /* restore fg color back to normal */
 443                                         tcp->attr_mask &= ~(FG_CHANGED|BOLD_ATTR);
 444                                         tcp->cur_color.fg = tcp->std_color.fg;
 445                                         tcp->cur_attr = mask2attr(tcp);
 446                                         break;
 447                                 case 40: case 41: /* set ansi bg color */
 448                                 case 42: case 43: case 44:
 449                                 case 45: case 46: case 47:
 450                                         tcp->attr_mask |= BG_CHANGED;
 451                                         tcp->cur_color.bg = ansi_col[n - 40];
 452                                         tcp->cur_attr = mask2attr(tcp);
 453                                         break;
 454                                 case 49: /* restore bg color back to normal */
 455                                         tcp->attr_mask &= ~BG_CHANGED;
 456                                         tcp->cur_color.bg = tcp->std_color.bg;
 457                                         tcp->cur_attr = mask2attr(tcp);
 458                                         break;
 459                                 }
 460                         }
 461                         break;
 462
 463                 case 's':       /* Save cursor position */
 464                         tcp->saved_xpos = scp->xpos;
 465                         tcp->saved_ypos = scp->ypos;
 466                         break;
 467
 468                 case 'u':       /* Restore saved cursor position */
 469                         if (tcp->saved_xpos >= 0 && tcp->saved_ypos >= 0)
 470                                 sc_move_cursor(scp, tcp->saved_xpos,
 471                                                tcp->saved_ypos);
 472                         break;
 473
 474                 case 'x':
 475                         if (tcp->num_param == 0)
 476                                 n = 0;
 477                         else
 478                                 n = tcp->param[0];
 479                         switch (n) {
 480                         case 0: /* reset colors and attributes back to normal */
 481                                 tcp->attr_mask = NORMAL_ATTR;
 482                                 tcp->cur_color = tcp->std_color
 483                                                = tcp->dflt_std_color;
 484                                 tcp->rev_color = tcp->dflt_rev_color;
 485                                 tcp->cur_attr = mask2attr(tcp);
 486                                 break;
 487                         case 1: /* set ansi background */
 488                                 tcp->attr_mask &= ~BG_CHANGED;
 489                                 tcp->cur_color.bg = tcp->std_color.bg
 490                                                   = ansi_col[tcp->param[1] & 0x0f];
 491                                 tcp->cur_attr = mask2attr(tcp);
 492                                 break;
 493                         case 2: /* set ansi foreground */
 494                                 tcp->attr_mask &= ~FG_CHANGED;
 495                                 tcp->cur_color.fg = tcp->std_color.fg
 496                                                   = ansi_col[tcp->param[1] & 0x0f];
 497                                 tcp->cur_attr = mask2attr(tcp);
 498                                 break;
 499                         case 3: /* set adapter attribute directly */
 500                                 tcp->attr_mask &= ~(FG_CHANGED | BG_CHANGED);
 501                                 tcp->cur_color.fg = tcp->std_color.fg
 502                                                   = tcp->param[1] & 0x0f;
 503                                 tcp->cur_color.bg = tcp->std_color.bg
 504                                                   = (tcp->param[1] >> 4) & 0x0f;
 505                                 tcp->cur_attr = mask2attr(tcp);
 506                                 break;
 507                         case 5: /* set ansi reverse background */
 508                                 tcp->rev_color.bg = ansi_col[tcp->param[1] & 0x0f];
 509                                 tcp->cur_attr = mask2attr(tcp);
 510                                 break;
 511                         case 6: /* set ansi reverse foreground */
 512                                 tcp->rev_color.fg = ansi_col[tcp->param[1] & 0x0f];
 513                                 tcp->cur_attr = mask2attr(tcp);
 514                                 break;
 515                         case 7: /* set adapter reverse attribute directly */
 516                                 tcp->rev_color.fg = tcp->param[1] & 0x0f;
 517                                 tcp->rev_color.bg = (tcp->param[1] >> 4) & 0x0f;
 518                                 tcp->cur_attr = mask2attr(tcp);
 519                                 break;
 520                         }
 521                         break;
 522
 523                 case 'z':       /* switch to (virtual) console n */
 524                         if (tcp->num_param == 1)
 525                                 sc_switch_scr(sc, tcp->param[0]);
 526                         break;
 527                 }
 528         } else if (tcp->esc == 3) {     /* seen ESC [0-9]+ = */
 529                 if (c >= '0' && c <= '9') {
 530                         if (tcp->num_param < MAX_ESC_PAR) {
 531                                 if (tcp->last_param != tcp->num_param) {
 532                                         tcp->last_param = tcp->num_param;
 533                                         tcp->param[tcp->num_param] = 0;
 534                                 } else {
 535                                         tcp->param[tcp->num_param] *= 10;
 536                                 }
 537                                 tcp->param[tcp->num_param] += c - '0';
 538                                 return;
 539                         }
 540                 }
 541                 tcp->num_param = tcp->last_param + 1;
 542                 switch (c) {
 543
 544                 case ';':
 545                         if (tcp->num_param < MAX_ESC_PAR)
 546                                 return;
 547                         break;
 548
 549                 case 'A':   /* set display border color */
 550                         if (tcp->num_param == 1) {
 551                                 scp->border=tcp->param[0] & 0xff;
 552                                 if (scp == sc->cur_scp)
 553                                         sc_set_border(scp, scp->border);
 554                         }
 555                         break;
 556
 557                 case 'B':   /* set bell pitch and duration */
 558                         if (tcp->num_param == 2) {
 559                                 scp->bell_pitch = tcp->param[0];
 560                                 scp->bell_duration =
 561                                     (tcp->param[1] * hz + 99) / 100;
 562                         }
 563                         break;
 564
 565                 case 'C':   /* set cursor type & shape */
 566                         i = spltty();
 567                         if (!ISGRAPHSC(sc->cur_scp))
 568                                 sc_remove_cursor_image(sc->cur_scp);
 569                         if (tcp->num_param == 1) {
 570                                 if (tcp->param[0] & 0x01)
 571                                         sc->flags |= SC_BLINK_CURSOR;
 572                                 else
 573                                         sc->flags &= ~SC_BLINK_CURSOR;
 574                                 if (tcp->param[0] & 0x02)
 575                                         sc->flags |= SC_CHAR_CURSOR;
 576                                 else
 577                                         sc->flags &= ~SC_CHAR_CURSOR;
 578                         } else if (tcp->num_param == 2) {
 579                                 sc->cursor_base = scp->font_size
 580                                                 - (tcp->param[1] & 0x1F) - 1;
 581                                 sc->cursor_height = (tcp->param[1] & 0x1F)
 582                                                 - (tcp->param[0] & 0x1F) + 1;
 583                         }
 584                         /*
 585                          * The cursor shape is global property;
 586                          * all virtual consoles are affected.
 587                          * Update the cursor in the current console...
 588                          */
 589                         if (!ISGRAPHSC(sc->cur_scp)) {
 590                                 sc_set_cursor_image(sc->cur_scp);
 591                                 sc_draw_cursor_image(sc->cur_scp);
 592                         }
 593                         splx(i);
 594                         break;
 595
 596                 case 'F':   /* set adapter foreground */
 597                         if (tcp->num_param == 1) {
 598                                 tcp->attr_mask &= ~FG_CHANGED;
 599                                 tcp->cur_color.fg = tcp->std_color.fg
 600                                                   = tcp->param[0] & 0x0f;
 601                                 tcp->cur_attr = mask2attr(tcp);
 602                         }
 603                         break;
 604
 605                 case 'G':   /* set adapter background */
 606                         if (tcp->num_param == 1) {
 607                                 tcp->attr_mask &= ~BG_CHANGED;
 608                                 tcp->cur_color.bg = tcp->std_color.bg
 609                                                   = tcp->param[0] & 0x0f;
 610                                 tcp->cur_attr = mask2attr(tcp);
 611                         }
 612                         break;
 613
 614                 case 'H':   /* set adapter reverse foreground */
 615                         if (tcp->num_param == 1) {
 616                                 tcp->rev_color.fg = tcp->param[0] & 0x0f;
 617                                 tcp->cur_attr = mask2attr(tcp);
 618                         }
 619                         break;
 620
 621                 case 'I':   /* set adapter reverse background */
 622                         if (tcp->num_param == 1) {
 623                                 tcp->rev_color.bg = tcp->param[0] & 0x0f;
 624                                 tcp->cur_attr = mask2attr(tcp);
 625                         }
 626                         break;
 627                 }
 628 #if notyet
 629         } else if (tcp->esc == 4) {     /* seen ESC Q */
 630                 /* to be filled */
 631 #endif
 632         } else if (tcp->esc == 5) {     /* seen ESC ( */
 633                 switch (c) {
 634                 case 'B':   /* iso-2022: desginate ASCII into G0 */
 635                         break;
 636                 /* other items to be filled */
 637                 default:
 638                         break;
 639                 }
 640         }
 641         tcp->esc = 0;
 642 }
 643
 644 static void
 645 scterm_puts(scr_stat *scp, u_char *buf, int len)
 646 {
 647         term_stat *tcp;
 648
 649         tcp = scp->ts;
 650 outloop:
 651         scp->sc->write_in_progress++;
 652
 653         if (tcp->esc) {
 654                 scterm_scan_esc(scp, tcp, *buf);
 655                 buf++;
 656                 len--;
 657         } else {
 658                 switch (*buf) {
 659                 case 0x1b:
 660                         tcp->esc = 1;
 661                         tcp->num_param = 0;
 662                         buf++;
 663                         len--;
 664                         break;
 665                 default:
 666                         sc_term_gen_print(scp, &buf, &len, tcp->cur_attr);
 667                         break;
 668                 }
 669         }
 670
 671         sc_term_gen_scroll(scp, scp->sc->scr_map[0x20], tcp->cur_attr);
 672
 673         scp->sc->write_in_progress--;
 674         if (len)
 675                 goto outloop;
 676 }
 677
 678 static int
 679 scterm_ioctl(scr_stat *scp, struct tty *tp, u_long cmd, caddr_t data,
 680              int flag, struct proc *p)
 681 {
 682         term_stat *tcp = scp->ts;
 683         vid_info_t *vi;
 684
 685         switch (cmd) {
 686         case GIO_ATTR:          /* get current attributes */
 687                 /* FIXME: */
 688                 *(int*)data = (tcp->cur_attr >> 8) & 0xff;
 689                 return 0;
 690         case CONS_GETINFO:      /* get current (virtual) console info */
 691                 vi = (vid_info_t *)data;
 692                 if (vi->size != sizeof(struct vid_info))
 693                         return EINVAL;
 694                 vi->mv_norm.fore = tcp->std_color.fg;
 695                 vi->mv_norm.back = tcp->std_color.bg;
 696                 vi->mv_rev.fore = tcp->rev_color.fg;
 697                 vi->mv_rev.back = tcp->rev_color.bg;
 698                 /*
 699                  * The other fields are filled by the upper routine. XXX
 700                  */
 701                 return ENOIOCTL;
 702         }
 703         return ENOIOCTL;
 704 }
 705
 706 static int
 707 scterm_reset(scr_stat *scp, int code)
 708 {
 709         /* FIXME */
 710         return 0;
 711 }
 712
 713 static void
 714 scterm_default_attr(scr_stat *scp, int color, int rev_color)
 715 {
 716         term_stat *tcp = scp->ts;
 717
 718         tcp->dflt_std_color.fg = color & 0x0f;
 719         tcp->dflt_std_color.bg = (color >> 4) & 0x0f;
 720         tcp->dflt_rev_color.fg = rev_color & 0x0f;
 721         tcp->dflt_rev_color.bg = (rev_color >> 4) & 0x0f;
 722         tcp->std_color = tcp->dflt_std_color;
 723         tcp->rev_color = tcp->dflt_rev_color;
 724         tcp->cur_color = tcp->std_color;
 725         tcp->cur_attr = mask2attr(tcp);
 726 }
 727
 728 static void
 729 scterm_clear(scr_stat *scp)
 730 {
 731         term_stat *tcp = scp->ts;
 732
 733         sc_move_cursor(scp, 0, 0);
 734         sc_vtb_clear(&scp->vtb, scp->sc->scr_map[0x20], tcp->cur_attr);
 735         mark_all(scp);
 736 }
 737
 738 static void
 739 scterm_notify(scr_stat *scp, int event)
 740 {
 741         switch (event) {
 742         case SC_TE_NOTIFY_VTSWITCH_IN:
 743                 break;
 744         case SC_TE_NOTIFY_VTSWITCH_OUT:
 745                 break;
 746         }
 747 }
 748
 749 static int
 750 scterm_input(scr_stat *scp, int c, struct tty *tp)
 751 {
 752         return FALSE;
 753 }
 754
 755 /*
 756  * Calculate hardware attributes word using logical attributes mask and
 757  * hardware colors
 758  */
 759
 760 /* FIXME */
 761 static int
 762 mask2attr(term_stat *tcp)
 763 {
 764         int attr, mask = tcp->attr_mask;
 765
 766         if (mask & REVERSE_ATTR) {
 767                 attr = ((mask & FG_CHANGED) ?
 768                         tcp->cur_color.bg : tcp->rev_color.fg) |
 769                         (((mask & BG_CHANGED) ?
 770                         tcp->cur_color.fg : tcp->rev_color.bg) << 4);
 771         } else
 772                 attr = tcp->cur_color.fg | (tcp->cur_color.bg << 4);
 773
 774         /* XXX: underline mapping for Hercules adapter can be better */
 775         if (mask & (BOLD_ATTR | UNDERLINE_ATTR))
 776                 attr ^= 0x08;
 777         if (mask & BLINK_ATTR)
 778                 attr ^= 0x80;
 779
 780         return (attr << 8);
 781 }
 782
 783 #endif /* SC_DUMB_TERMINAL */