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
 210                 case '7':       /* Save cursor position */
 211                         tcp->saved_xpos = scp->xpos;
 212                         tcp->saved_ypos = scp->ypos;
 213                         break;
 214
 215                 case '8':       /* Restore saved cursor position */
 216                         if (tcp->saved_xpos >= 0 && tcp->saved_ypos >= 0)
 217                                 sc_move_cursor(scp, tcp->saved_xpos,
 218                                                tcp->saved_ypos);
 219                         break;
 220
 221                 case '[':       /* Start ESC [ sequence */
 222                         tcp->esc = 2;
 223                         tcp->last_param = -1;
 224                         for (i = tcp->num_param; i < MAX_ESC_PAR; i++)
 225                                 tcp->param[i] = 1;
 226                         tcp->num_param = 0;
 227                         return;
 228
 229                 case 'M':       /* Move cursor up 1 line, scroll if at top */
 230                         sc_term_up_scroll(scp, 1, sc->scr_map[0x20],
 231                                           tcp->cur_attr, 0, 0);
 232                         break;
 233 #ifdef notyet
 234                 case 'Q':
 235                         tcp->esc = 4;
 236                         return;
 237 #endif
 238                 case 'c':       /* reset */
 239                         tcp->attr_mask = NORMAL_ATTR;
 240                         tcp->cur_color = tcp->std_color
 241                                        = tcp->dflt_std_color;
 242                         tcp->rev_color = tcp->dflt_rev_color;
 243                         tcp->cur_attr = mask2attr(tcp);
 244                         sc_change_cursor_shape(scp,
 245                             CONS_RESET_CURSOR | CONS_LOCAL_CURSOR, -1, -1);
 246                         sc_clear_screen(scp);
 247                         break;
 248
 249                 case '(':       /* iso-2022: designate 94 character set to G0 */
 250                         tcp->esc = 5;
 251                         return;
 252                 }
 253         } else if (tcp->esc == 2) {     /* seen ESC [ */
 254                 if (c >= '0' && c <= '9') {
 255                         if (tcp->num_param < MAX_ESC_PAR) {
 256                                 if (tcp->last_param != tcp->num_param) {
 257                                         tcp->last_param = tcp->num_param;
 258                                         tcp->param[tcp->num_param] = 0;
 259                                 } else {
 260                                         tcp->param[tcp->num_param] *= 10;
 261                                 }
 262                                 tcp->param[tcp->num_param] += c - '0';
 263                                 return;
 264                         }
 265                 }
 266                 tcp->num_param = tcp->last_param + 1;
 267                 switch (c) {
 268
 269                 case ';':
 270                         if (tcp->num_param < MAX_ESC_PAR)
 271                                 return;
 272                         break;
 273
 274                 case '=':
 275                         tcp->esc = 3;
 276                         tcp->last_param = -1;
 277                         for (i = tcp->num_param; i < MAX_ESC_PAR; i++)
 278                                 tcp->param[i] = 1;
 279                         tcp->num_param = 0;
 280                         return;
 281
 282                 case 'A':       /* up n rows */
 283                         sc_term_up(scp, tcp->param[0], 0);
 284                         break;
 285
 286                 case 'B':       /* down n rows */
 287                         sc_term_down(scp, tcp->param[0], 0);
 288                         break;
 289
 290                 case 'C':       /* right n columns */
 291                         sc_term_right(scp, tcp->param[0]);
 292                         break;
 293
 294                 case 'D':       /* left n columns */
 295                         sc_term_left(scp, tcp->param[0]);
 296                         break;
 297
 298                 case 'E':       /* cursor to start of line n lines down */
 299                         n = tcp->param[0];
 300                         if (n < 1)
 301                                 n = 1;
 302                         sc_move_cursor(scp, 0, scp->ypos + n);
 303                         break;
 304
 305                 case 'F':       /* cursor to start of line n lines up */
 306                         n = tcp->param[0];
 307                         if (n < 1)
 308                                 n = 1;
 309                         sc_move_cursor(scp, 0, scp->ypos - n);
 310                         break;
 311
 312                 case 'f':       /* Cursor move */
 313                 case 'H':
 314                         if (tcp->num_param == 0)
 315                                 sc_move_cursor(scp, 0, 0);
 316                         else if (tcp->num_param == 2)
 317                                 sc_move_cursor(scp, tcp->param[1] - 1,
 318                                                tcp->param[0] - 1);
 319                         break;
 320
 321                 case 'J':       /* Clear all or part of display */
 322                         if (tcp->num_param == 0)
 323                                 n = 0;
 324                         else
 325                                 n = tcp->param[0];
 326                         sc_term_clr_eos(scp, n, sc->scr_map[0x20],
 327                                         tcp->cur_attr);
 328                         break;
 329
 330                 case 'K':       /* Clear all or part of line */
 331                         if (tcp->num_param == 0)
 332                                 n = 0;
 333                         else
 334                                 n = tcp->param[0];
 335                         sc_term_clr_eol(scp, n, sc->scr_map[0x20],
 336                                         tcp->cur_attr);
 337                         break;
 338
 339                 case 'L':       /* Insert n lines */
 340                         sc_term_ins_line(scp, scp->ypos, tcp->param[0],
 341                                          sc->scr_map[0x20], tcp->cur_attr, 0);
 342                         break;
 343
 344                 case 'M':       /* Delete n lines */
 345                         sc_term_del_line(scp, scp->ypos, tcp->param[0],
 346                                          sc->scr_map[0x20], tcp->cur_attr, 0);
 347                         break;
 348
 349                 case 'P':       /* Delete n chars */
 350                         sc_term_del_char(scp, tcp->param[0],
 351                                          sc->scr_map[0x20], tcp->cur_attr);
 352                         break;
 353
 354                 case '@':       /* Insert n chars */
 355                         sc_term_ins_char(scp, tcp->param[0],
 356                                          sc->scr_map[0x20], tcp->cur_attr);
 357                         break;
 358
 359                 case 'S':       /* scroll up n lines */
 360                         sc_term_del_line(scp, 0, tcp->param[0],
 361                                          sc->scr_map[0x20], tcp->cur_attr, 0);
 362                         break;
 363
 364                 case 'T':       /* scroll down n lines */
 365                         sc_term_ins_line(scp, 0, tcp->param[0],
 366                                          sc->scr_map[0x20], tcp->cur_attr, 0);
 367                         break;
 368
 369                 case 'X':       /* erase n characters in line */
 370                         n = tcp->param[0];
 371                         if (n < 1)
 372                                 n = 1;
 373                         if (n > scp->xsize - scp->xpos)
 374                                 n = scp->xsize - scp->xpos;
 375                         sc_vtb_erase(&scp->vtb, scp->cursor_pos, n,
 376                                      sc->scr_map[0x20], tcp->cur_attr);
 377                         mark_for_update(scp, scp->cursor_pos);
 378                         mark_for_update(scp, scp->cursor_pos + n - 1);
 379                         break;
 380
 381                 case 'Z':       /* move n tabs backwards */
 382                         sc_term_backtab(scp, tcp->param[0]);
 383                         break;
 384
 385                 case '`':       /* move cursor to column n */
 386                         sc_term_col(scp, tcp->param[0]);
 387                         break;
 388
 389                 case 'a':       /* move cursor n columns to the right */
 390                         sc_term_right(scp, tcp->param[0]);
 391                         break;
 392
 393                 case 'd':       /* move cursor to row n */
 394                         sc_term_row(scp, tcp->param[0]);
 395                         break;
 396
 397                 case 'e':       /* move cursor n rows down */
 398                         sc_term_down(scp, tcp->param[0], 0);
 399                         break;
 400
 401                 case 'm':       /* change attribute */
 402                         if (tcp->num_param == 0) {
 403                                 tcp->attr_mask = NORMAL_ATTR;
 404                                 tcp->cur_color = tcp->std_color;
 405                                 tcp->cur_attr = mask2attr(tcp);
 406                                 break;
 407                         }
 408                         for (i = 0; i < tcp->num_param; i++) {
 409                                 switch (n = tcp->param[i]) {
 410                                 case 0: /* back to normal */
 411                                         tcp->attr_mask = NORMAL_ATTR;
 412                                         tcp->cur_color = tcp->std_color;
 413                                         tcp->cur_attr = mask2attr(tcp);
 414                                         break;
 415                                 case 1: /* bold */
 416                                         tcp->attr_mask |= BOLD_ATTR;
 417                                         tcp->cur_attr = mask2attr(tcp);
 418                                         break;
 419                                 case 4: /* underline */
 420                                         tcp->attr_mask |= UNDERLINE_ATTR;
 421                                         tcp->cur_attr = mask2attr(tcp);
 422                                         break;
 423                                 case 5: /* blink */
 424                                         tcp->attr_mask |= BLINK_ATTR;
 425                                         tcp->cur_attr = mask2attr(tcp);
 426                                         break;
 427                                 case 7: /* reverse */
 428                                         tcp->attr_mask |= REVERSE_ATTR;
 429                                         tcp->cur_attr = mask2attr(tcp);
 430                                         break;
 431                                 case 22: /* remove bold (or dim) */
 432                                         tcp->attr_mask &= ~BOLD_ATTR;
 433                                         tcp->cur_attr = mask2attr(tcp);
 434                                         break;
 435                                 case 24: /* remove underline */
 436                                         tcp->attr_mask &= ~UNDERLINE_ATTR;
 437                                         tcp->cur_attr = mask2attr(tcp);
 438                                         break;
 439                                 case 25: /* remove blink */
 440                                         tcp->attr_mask &= ~BLINK_ATTR;
 441                                         tcp->cur_attr = mask2attr(tcp);
 442                                         break;
 443                                 case 27: /* remove reverse */
 444                                         tcp->attr_mask &= ~REVERSE_ATTR;
 445                                         tcp->cur_attr = mask2attr(tcp);
 446                                         break;
 447                                 case 30: case 31: /* set ansi fg color */
 448                                 case 32: case 33: case 34:
 449                                 case 35: case 36: case 37:
 450                                         tcp->attr_mask |= FG_CHANGED;
 451                                         tcp->cur_color.fg = ansi_col[n - 30];
 452                                         tcp->cur_attr = mask2attr(tcp);
 453                                         break;
 454                                 case 39: /* restore fg color back to normal */
 455                                         tcp->attr_mask &= ~(FG_CHANGED|BOLD_ATTR);
 456                                         tcp->cur_color.fg = tcp->std_color.fg;
 457                                         tcp->cur_attr = mask2attr(tcp);
 458                                         break;
 459                                 case 40: case 41: /* set ansi bg color */
 460                                 case 42: case 43: case 44:
 461                                 case 45: case 46: case 47:
 462                                         tcp->attr_mask |= BG_CHANGED;
 463                                         tcp->cur_color.bg = ansi_col[n - 40];
 464                                         tcp->cur_attr = mask2attr(tcp);
 465                                         break;
 466                                 case 49: /* restore bg color back to normal */
 467                                         tcp->attr_mask &= ~BG_CHANGED;
 468                                         tcp->cur_color.bg = tcp->std_color.bg;
 469                                         tcp->cur_attr = mask2attr(tcp);
 470                                         break;
 471                                 }
 472                         }
 473                         break;
 474
 475                 case 's':       /* Save cursor position */
 476                         tcp->saved_xpos = scp->xpos;
 477                         tcp->saved_ypos = scp->ypos;
 478                         break;
 479
 480                 case 'u':       /* Restore saved cursor position */
 481                         if (tcp->saved_xpos >= 0 && tcp->saved_ypos >= 0)
 482                                 sc_move_cursor(scp, tcp->saved_xpos,
 483                                                tcp->saved_ypos);
 484                         break;
 485
 486                 case 'x':
 487                         if (tcp->num_param == 0)
 488                                 n = 0;
 489                         else
 490                                 n = tcp->param[0];
 491                         switch (n) {
 492                         case 0: /* reset colors and attributes back to normal */
 493                                 tcp->attr_mask = NORMAL_ATTR;
 494                                 tcp->cur_color = tcp->std_color
 495                                                = tcp->dflt_std_color;
 496                                 tcp->rev_color = tcp->dflt_rev_color;
 497                                 tcp->cur_attr = mask2attr(tcp);
 498                                 break;
 499                         case 1: /* set ansi background */
 500                                 tcp->attr_mask &= ~BG_CHANGED;
 501                                 tcp->cur_color.bg = tcp->std_color.bg
 502                                                   = ansi_col[tcp->param[1] & 0x0f];
 503                                 tcp->cur_attr = mask2attr(tcp);
 504                                 break;
 505                         case 2: /* set ansi foreground */
 506                                 tcp->attr_mask &= ~FG_CHANGED;
 507                                 tcp->cur_color.fg = tcp->std_color.fg
 508                                                   = ansi_col[tcp->param[1] & 0x0f];
 509                                 tcp->cur_attr = mask2attr(tcp);
 510                                 break;
 511                         case 3: /* set adapter attribute directly */
 512                                 tcp->attr_mask &= ~(FG_CHANGED | BG_CHANGED);
 513                                 tcp->cur_color.fg = tcp->std_color.fg
 514                                                   = tcp->param[1] & 0x0f;
 515                                 tcp->cur_color.bg = tcp->std_color.bg
 516                                                   = (tcp->param[1] >> 4) & 0x0f;
 517                                 tcp->cur_attr = mask2attr(tcp);
 518                                 break;
 519                         case 5: /* set ansi reverse background */
 520                                 tcp->rev_color.bg = ansi_col[tcp->param[1] & 0x0f];
 521                                 tcp->cur_attr = mask2attr(tcp);
 522                                 break;
 523                         case 6: /* set ansi reverse foreground */
 524                                 tcp->rev_color.fg = ansi_col[tcp->param[1] & 0x0f];
 525                                 tcp->cur_attr = mask2attr(tcp);
 526                                 break;
 527                         case 7: /* set adapter reverse attribute directly */
 528                                 tcp->rev_color.fg = tcp->param[1] & 0x0f;
 529                                 tcp->rev_color.bg = (tcp->param[1] >> 4) & 0x0f;
 530                                 tcp->cur_attr = mask2attr(tcp);
 531                                 break;
 532                         }
 533                         break;
 534
 535                 case 'z':       /* switch to (virtual) console n */
 536                         if (tcp->num_param == 1)
 537                                 sc_switch_scr(sc, tcp->param[0]);
 538                         break;
 539                 }
 540         } else if (tcp->esc == 3) {     /* seen ESC [0-9]+ = */
 541                 if (c >= '0' && c <= '9') {
 542                         if (tcp->num_param < MAX_ESC_PAR) {
 543                                 if (tcp->last_param != tcp->num_param) {
 544                                         tcp->last_param = tcp->num_param;
 545                                         tcp->param[tcp->num_param] = 0;
 546                                 } else {
 547                                         tcp->param[tcp->num_param] *= 10;
 548                                 }
 549                                 tcp->param[tcp->num_param] += c - '0';
 550                                 return;
 551                         }
 552                 }
 553                 tcp->num_param = tcp->last_param + 1;
 554                 switch (c) {
 555
 556                 case ';':
 557                         if (tcp->num_param < MAX_ESC_PAR)
 558                                 return;
 559                         break;
 560
 561                 case 'A':   /* set display border color */
 562                         if (tcp->num_param == 1) {
 563                                 scp->border=tcp->param[0] & 0xff;
 564                                 if (scp == sc->cur_scp)
 565                                         sc_set_border(scp, scp->border);
 566                         }
 567                         break;
 568
 569                 case 'B':   /* set bell pitch and duration */
 570                         if (tcp->num_param == 2) {
 571                                 scp->bell_pitch = tcp->param[0];
 572                                 scp->bell_duration =
 573                                     (tcp->param[1] * hz + 99) / 100;
 574                         }
 575                         break;
 576
 577                 case 'C':   /* set global/parmanent cursor type & shape */
 578                         i = spltty();
 579                         n = tcp->num_param;
 580                         v0 = tcp->param[0];
 581                         v1 = tcp->param[1];
 582                         v2 = tcp->param[2];
 583                         switch (n) {
 584                         case 1: /* flags only */
 585                                 if (v0 < sizeof(cattrs)/sizeof(cattrs[0]))
 586                                         v0 = cattrs[v0];
 587                                 else    /* backward compatibility */
 588                                         v0 = cattrs[v0 & 0x3];
 589                                 sc_change_cursor_shape(scp, v0, -1, -1);
 590                                 break;
 591                         case 2:
 592                                 v2 = 0;
 593                                 v0 &= 0x1f;     /* backward compatibility */
 594                                 v1 &= 0x1f;
 595                                 /* FALL THROUGH */
 596                         case 3: /* base and height */
 597                                 if (v2 == 0)    /* count from top */
 598                                         sc_change_cursor_shape(scp, -1,
 599                                             scp->font_size - v1 - 1,
 600                                             v1 - v0 + 1);
 601                                 else if (v2 == 1) /* count from bottom */
 602                                         sc_change_cursor_shape(scp, -1,
 603                                             v0, v1 - v0 + 1);
 604                                 break;
 605                         }
 606                         splx(i);
 607                         break;
 608
 609                 case 'F':   /* set adapter foreground */
 610                         if (tcp->num_param == 1) {
 611                                 tcp->attr_mask &= ~FG_CHANGED;
 612                                 tcp->cur_color.fg = tcp->std_color.fg
 613                                                   = tcp->param[0] & 0x0f;
 614                                 tcp->cur_attr = mask2attr(tcp);
 615                         }
 616                         break;
 617
 618                 case 'G':   /* set adapter background */
 619                         if (tcp->num_param == 1) {
 620                                 tcp->attr_mask &= ~BG_CHANGED;
 621                                 tcp->cur_color.bg = tcp->std_color.bg
 622                                                   = tcp->param[0] & 0x0f;
 623                                 tcp->cur_attr = mask2attr(tcp);
 624                         }
 625                         break;
 626
 627                 case 'H':   /* set adapter reverse foreground */
 628                         if (tcp->num_param == 1) {
 629                                 tcp->rev_color.fg = tcp->param[0] & 0x0f;
 630                                 tcp->cur_attr = mask2attr(tcp);
 631                         }
 632                         break;
 633
 634                 case 'I':   /* set adapter reverse background */
 635                         if (tcp->num_param == 1) {
 636                                 tcp->rev_color.bg = tcp->param[0] & 0x0f;
 637                                 tcp->cur_attr = mask2attr(tcp);
 638                         }
 639                         break;
 640
 641                 case 'S':   /* set local/temporary cursor type & shape */
 642                         i = spltty();
 643                         n = tcp->num_param;
 644                         v0 = tcp->param[0];
 645                         switch (n) {
 646                         case 0:
 647                                 v0 = 0;
 648                                 /* FALL THROUGH */
 649                         case 1:
 650                                 if (v0 < sizeof(tcattrs)/sizeof(tcattrs[0]))
 651                                         sc_change_cursor_shape(scp,
 652                                             tcattrs[v0], -1, -1);
 653                                 break;
 654                         }
 655                         splx(i);
 656                         break;
 657                 }
 658 #ifdef notyet
 659         } else if (tcp->esc == 4) {     /* seen ESC Q */
 660                 /* to be filled */
 661 #endif
 662         } else if (tcp->esc == 5) {     /* seen ESC ( */
 663                 switch (c) {
 664                 case 'B':   /* iso-2022: desginate ASCII into G0 */
 665                         break;
 666                 /* other items to be filled */
 667                 default:
 668                         break;
 669                 }
 670         }
 671         tcp->esc = 0;
 672 }
 673
 674 static void
 675 scterm_puts(scr_stat *scp, u_char *buf, int len)
 676 {
 677         term_stat *tcp;
 678
 679         tcp = scp->ts;
 680 outloop:
 681         scp->sc->write_in_progress++;
 682
 683         if (tcp->esc) {
 684                 scterm_scan_esc(scp, tcp, *buf);
 685                 buf++;
 686                 len--;
 687         } else {
 688                 switch (*buf) {
 689                 case 0x1b:
 690                         tcp->esc = 1;
 691                         tcp->num_param = 0;
 692                         buf++;
 693                         len--;
 694                         break;
 695                 default:
 696                         sc_term_gen_print(scp, &buf, &len, tcp->cur_attr);
 697                         break;
 698                 }
 699         }
 700
 701         sc_term_gen_scroll(scp, scp->sc->scr_map[0x20], tcp->cur_attr);
 702
 703         scp->sc->write_in_progress--;
 704         if (len)
 705                 goto outloop;
 706 }
 707
 708 static int
 709 scterm_ioctl(scr_stat *scp, struct tty *tp, u_long cmd, caddr_t data,
 710              struct thread *td)
 711 {
 712         term_stat *tcp = scp->ts;
 713         vid_info_t *vi;
 714
 715         switch (cmd) {
 716         case GIO_ATTR:          /* get current attributes */
 717                 /* FIXME: */
 718                 *(int*)data = (tcp->cur_attr >> 8) & 0xff;
 719                 return 0;
 720         case CONS_GETINFO:      /* get current (virtual) console info */
 721                 vi = (vid_info_t *)data;
 722                 if (vi->size != sizeof(struct vid_info))
 723                         return EINVAL;
 724                 vi->mv_norm.fore = tcp->std_color.fg;
 725                 vi->mv_norm.back = tcp->std_color.bg;
 726                 vi->mv_rev.fore = tcp->rev_color.fg;
 727                 vi->mv_rev.back = tcp->rev_color.bg;
 728                 /*
 729                  * The other fields are filled by the upper routine. XXX
 730                  */
 731                 return ENOIOCTL;
 732         }
 733         return ENOIOCTL;
 734 }
 735
 736 static int
 737 scterm_reset(scr_stat *scp, int code)
 738 {
 739         /* FIXME */
 740         return 0;
 741 }
 742
 743 static void
 744 scterm_default_attr(scr_stat *scp, int color, int rev_color)
 745 {
 746         term_stat *tcp = scp->ts;
 747
 748         tcp->dflt_std_color.fg = color & 0x0f;
 749         tcp->dflt_std_color.bg = (color >> 4) & 0x0f;
 750         tcp->dflt_rev_color.fg = rev_color & 0x0f;
 751         tcp->dflt_rev_color.bg = (rev_color >> 4) & 0x0f;
 752         tcp->std_color = tcp->dflt_std_color;
 753         tcp->rev_color = tcp->dflt_rev_color;
 754         tcp->cur_color = tcp->std_color;
 755         tcp->cur_attr = mask2attr(tcp);
 756 }
 757
 758 static void
 759 scterm_clear(scr_stat *scp)
 760 {
 761         term_stat *tcp = scp->ts;
 762
 763         sc_move_cursor(scp, 0, 0);
 764         sc_vtb_clear(&scp->vtb, scp->sc->scr_map[0x20], tcp->cur_attr);
 765         mark_all(scp);
 766 }
 767
 768 static void
 769 scterm_notify(scr_stat *scp, int event)
 770 {
 771         switch (event) {
 772         case SC_TE_NOTIFY_VTSWITCH_IN:
 773                 break;
 774         case SC_TE_NOTIFY_VTSWITCH_OUT:
 775                 break;
 776         }
 777 }
 778
 779 static int
 780 scterm_input(scr_stat *scp, int c, struct tty *tp)
 781 {
 782         return FALSE;
 783 }
 784
 785 static const char *
 786 scterm_fkeystr(scr_stat *scp, int c)
 787 {
 788         return (NULL);
 789 }
 790
 791 static void
 792 scterm_sync(scr_stat *scp)
 793 {
 794 }
 795
 796 /*
 797  * Calculate hardware attributes word using logical attributes mask and
 798  * hardware colors
 799  */
 800
 801 /* FIXME */
 802 static int
 803 mask2attr(term_stat *tcp)
 804 {
 805         int attr, mask = tcp->attr_mask;
 806
 807         if (mask & REVERSE_ATTR) {
 808                 attr = ((mask & FG_CHANGED) ?
 809                         tcp->cur_color.bg : tcp->rev_color.fg) |
 810                         (((mask & BG_CHANGED) ?
 811                         tcp->cur_color.fg : tcp->rev_color.bg) << 4);
 812         } else
 813                 attr = tcp->cur_color.fg | (tcp->cur_color.bg << 4);
 814
 815         /* XXX: underline mapping for Hercules adapter can be better */
 816         if (mask & (BOLD_ATTR | UNDERLINE_ATTR))
 817                 attr ^= 0x08;
 818         if (mask & BLINK_ATTR)
 819                 attr ^= 0x80;
 820
 821         return (attr << 8);
 822 }