1 /*- 2 * Copyright (c) 1992-1995 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software withough specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $Id: syscons.c,v 1.111 1995/04/04 20:06:26 sos Exp $ 29 */ 30 31 #include "sc.h" 32 #include "apm.h" 33 #if NSC > 0 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/conf.h> 37 #include <sys/ioctl.h> 38 #include <sys/proc.h> 39 #include <sys/user.h> 40 #include <sys/tty.h> 41 #include <sys/uio.h> 42 #include <sys/callout.h> 43 #include <sys/kernel.h> 44 #include <sys/syslog.h> 45 #include <sys/errno.h> 46 #include <sys/malloc.h> 47 #include <sys/devconf.h> 48 49 #include <machine/clock.h> 50 #include <machine/console.h> 51 #include <machine/psl.h> 52 #include <machine/frame.h> 53 #include <machine/pc/display.h> 54 #include <machine/apm_bios.h> 55 56 #include <i386/isa/isa.h> 57 #include <i386/isa/isa_device.h> 58 #include <i386/isa/timerreg.h> 59 #include <i386/isa/kbdtables.h> 60 #include <i386/i386/cons.h> 61 #include <i386/isa/syscons.h> 62 63 #if !defined(MAXCONS) 64 #define MAXCONS 16 65 #endif 66 67 /* this may break on older VGA's but is usefull on real 32 bit systems */ 68 #define bcopyw bcopy 69 70 static default_attr user_default = { 71 (FG_LIGHTGREY | BG_BLACK) << 8, 72 (FG_BLACK | BG_LIGHTGREY) << 8 73 }; 74 75 static default_attr kernel_default = { 76 (FG_WHITE | BG_BLACK) << 8, 77 (FG_BLACK | BG_LIGHTGREY) << 8 78 }; 79 80 static scr_stat main_console; 81 static scr_stat *console[MAXCONS]; 82 scr_stat *cur_console; 83 static scr_stat *new_scp, *old_scp; 84 static term_stat kernel_console; 85 static default_attr *current_default; 86 static char init_done = FALSE; 87 static int configuration = 0; 88 static char switch_in_progress = FALSE; 89 static char blink_in_progress = FALSE; 90 static char write_in_progress = FALSE; 91 u_int crtc_addr = MONO_BASE; 92 static char crtc_vga = FALSE; 93 static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 94 static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 95 static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 96 static int fonts_loaded = 0; 97 char palette[3*256]; 98 static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 99 static int delayed_next_scr = FALSE; 100 static long scrn_blank_time = 0; /* screen saver timeout value */ 101 int scrn_blanked = FALSE; /* screen saver active flag */ 102 static int scrn_saver = 0; /* screen saver routine */ 103 static long scrn_time_stamp; 104 u_char scr_map[256]; 105 static char *video_mode_ptr = NULL; 106 #if ASYNCH 107 static u_char kbd_reply = 0; 108 #endif 109 110 static u_short mouse_and_mask[16] = { 111 0xc000, 0xe000, 0xf000, 0xf800, 0xfc00, 0xfe00, 0xff00, 0xff80, 112 0xfe00, 0x1e00, 0x1f00, 0x0f00, 0x0f00, 0x0000, 0x0000, 0x0000 113 }; 114 static u_short mouse_or_mask[16] = { 115 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x6800, 116 0x0c00, 0x0c00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000 117 }; 118 119 void none_saver(int blank) { } 120 void (*current_saver)() = none_saver; 121 122 /* OS specific stuff */ 123 #ifdef not_yet_done 124 #define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 125 struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 126 struct tty *sccons[MAXCONS+1]; 127 #else 128 #define VIRTUAL_TTY(x) &sccons[x] 129 #define CONSOLE_TTY &sccons[MAXCONS] 130 struct tty sccons[MAXCONS+1]; 131 #endif 132 #define MONO_BUF pa_to_va(0xB0000) 133 #define CGA_BUF pa_to_va(0xB8000) 134 u_short *Crtat = (u_short *)MONO_BUF; 135 136 #define WRAPHIST(scp, pointer, offset)\ 137 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 138 + (offset)) % (scp->history_size))) 139 140 struct isa_driver scdriver = { 141 scprobe, scattach, "sc", 1 142 }; 143 144 int 145 scprobe(struct isa_device *dev) 146 { 147 int i, retries = 5; 148 unsigned char val; 149 150 /* Enable interrupts and keyboard controller */ 151 kbd_wait(); 152 outb(KB_STAT, KB_WRITE); 153 kbd_wait(); 154 outb(KB_DATA, KB_MODE); 155 156 /* flush any noise in the buffer */ 157 while (inb(KB_STAT) & KB_BUF_FULL) { 158 DELAY(10); 159 (void) inb(KB_DATA); 160 } 161 162 /* Reset keyboard hardware */ 163 while (retries--) { 164 kbd_wait(); 165 outb(KB_DATA, KB_RESET); 166 for (i=0; i<100000; i++) { 167 DELAY(10); 168 val = inb(KB_DATA); 169 if (val == KB_ACK || val == KB_ECHO) 170 goto gotres; 171 if (val == KB_RESEND) 172 break; 173 } 174 } 175 gotres: 176 if (!retries) 177 printf("scprobe: keyboard won't accept RESET command\n"); 178 else { 179 gotack: 180 DELAY(10); 181 while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10); 182 DELAY(10); 183 val = inb(KB_DATA); 184 if (val == KB_ACK) 185 goto gotack; 186 if (val != KB_RESET_DONE) 187 printf("scprobe: keyboard RESET failed %02x\n", val); 188 } 189 #ifdef XT_KEYBOARD 190 kbd_wait(); 191 outb(KB_DATA, 0xF0); 192 kbd_wait(); 193 outb(KB_DATA, 1) 194 kbd_wait(); 195 #endif /* XT_KEYBOARD */ 196 return (IO_KBDSIZE); 197 } 198 199 static struct kern_devconf kdc_sc[NSC] = { 200 0, 0, 0, /* filled in by dev_attach */ 201 "sc", 0, { MDDT_ISA, 0, "tty" }, 202 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, 203 &kdc_isa0, /* parent */ 204 0, /* parentdata */ 205 DC_BUSY, /* the console is almost always busy */ 206 "Graphics console", 207 DC_CLS_DISPLAY /* class */ 208 }; 209 210 static inline void 211 sc_registerdev(struct isa_device *id) 212 { 213 if(id->id_unit) 214 kdc_sc[id->id_unit] = kdc_sc[0]; 215 kdc_sc[id->id_unit].kdc_unit = id->id_unit; 216 kdc_sc[id->id_unit].kdc_isa = id; 217 dev_attach(&kdc_sc[id->id_unit]); 218 } 219 220 #if NAPM > 0 221 static int 222 scresume(void *dummy) 223 { 224 shfts = 0; 225 ctls = 0; 226 alts = 0; 227 agrs = 0; 228 metas = 0; 229 return 0; 230 } 231 #endif 232 233 int 234 scattach(struct isa_device *dev) 235 { 236 scr_stat *scp; 237 238 scinit(); 239 configuration = dev->id_flags; 240 241 scp = console[0]; 242 243 if (crtc_vga) { 244 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 245 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 246 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 247 copy_font(SAVE, FONT_16, font_16); 248 fonts_loaded = FONT_16; 249 scp->font = FONT_16; 250 save_palette(); 251 } 252 253 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 254 M_DEVBUF, M_NOWAIT); 255 /* copy screen to buffer */ 256 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 257 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 258 scp->mouse_pos = scp->scr_buf; 259 260 /* initialize history buffer & pointers */ 261 scp->history_head = scp->history_pos = scp->history = 262 (u_short *)malloc(scp->history_size*sizeof(u_short), 263 M_DEVBUF, M_NOWAIT); 264 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 265 266 /* initialize cursor stuff */ 267 draw_cursor(scp, TRUE); 268 if (crtc_vga && (configuration & CHAR_CURSOR)) 269 set_destructive_cursor(scp, TRUE); 270 271 /* get screen update going */ 272 scrn_timer(); 273 274 update_leds(scp->status); 275 sc_registerdev(dev); 276 277 printf("sc%d: ", dev->id_unit); 278 if (crtc_vga) 279 if (crtc_addr == MONO_BASE) 280 printf("VGA mono"); 281 else 282 printf("VGA color"); 283 else 284 if (crtc_addr == MONO_BASE) 285 printf("MDA/hercules"); 286 else 287 printf("CGA/EGA"); 288 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 289 290 #if NAPM > 0 291 scp->r_hook.ah_fun = scresume; 292 scp->r_hook.ah_arg = NULL; 293 scp->r_hook.ah_name = "system keyboard"; 294 scp->r_hook.ah_order = APM_MID_ORDER; 295 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 296 #endif 297 return 0; 298 } 299 300 struct tty 301 *scdevtotty(dev_t dev) 302 { 303 int unit = minor(dev); 304 305 if (unit > MAXCONS || unit < 0) 306 return(NULL); 307 if (unit == MAXCONS) 308 return CONSOLE_TTY; 309 return VIRTUAL_TTY(unit); 310 } 311 312 static scr_stat 313 *get_scr_stat(dev_t dev) 314 { 315 int unit = minor(dev); 316 317 if (unit > MAXCONS || unit < 0) 318 return(NULL); 319 if (unit == MAXCONS) 320 return console[0]; 321 return console[unit]; 322 } 323 324 static int 325 get_scr_num() 326 { 327 int i = 0; 328 329 while ((i < MAXCONS) && (cur_console != console[i])) 330 i++; 331 return i < MAXCONS ? i : 0; 332 } 333 334 int 335 scopen(dev_t dev, int flag, int mode, struct proc *p) 336 { 337 struct tty *tp = scdevtotty(dev); 338 339 if (!tp) 340 return(ENXIO); 341 342 tp->t_oproc = scstart; 343 tp->t_param = scparam; 344 tp->t_dev = dev; 345 if (!(tp->t_state & TS_ISOPEN)) { 346 ttychars(tp); 347 tp->t_iflag = TTYDEF_IFLAG; 348 tp->t_oflag = TTYDEF_OFLAG; 349 tp->t_cflag = TTYDEF_CFLAG; 350 tp->t_lflag = TTYDEF_LFLAG; 351 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 352 scparam(tp, &tp->t_termios); 353 ttsetwater(tp); 354 } 355 else 356 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 357 return(EBUSY); 358 tp->t_state |= TS_CARR_ON; 359 tp->t_cflag |= CLOCAL; 360 if (!console[minor(dev)]) 361 console[minor(dev)] = alloc_scp(); 362 return((*linesw[tp->t_line].l_open)(dev, tp)); 363 } 364 365 int 366 scclose(dev_t dev, int flag, int mode, struct proc *p) 367 { 368 struct tty *tp = scdevtotty(dev); 369 struct scr_stat *scp; 370 371 if (!tp) 372 return(ENXIO); 373 if (minor(dev) < MAXCONS) { 374 scp = get_scr_stat(tp->t_dev); 375 if (scp->status & SWITCH_WAIT_ACQ) 376 wakeup((caddr_t)&scp->smode); 377 #if not_yet_done 378 if (scp == &main_console) { 379 scp->pid = 0; 380 scp->proc = NULL; 381 scp->smode.mode = VT_AUTO; 382 } 383 else { 384 free(scp->scr_buf, M_DEVBUF); 385 free(scp->history, M_DEVBUF); 386 free(scp, M_DEVBUF); 387 console[minor(dev)] = NULL; 388 } 389 #else 390 scp->pid = 0; 391 scp->proc = NULL; 392 scp->smode.mode = VT_AUTO; 393 #endif 394 } 395 (*linesw[tp->t_line].l_close)(tp, flag); 396 ttyclose(tp); 397 return(0); 398 } 399 400 int 401 scread(dev_t dev, struct uio *uio, int flag) 402 { 403 struct tty *tp = scdevtotty(dev); 404 405 if (!tp) 406 return(ENXIO); 407 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 408 } 409 410 int 411 scwrite(dev_t dev, struct uio *uio, int flag) 412 { 413 struct tty *tp = scdevtotty(dev); 414 415 if (!tp) 416 return(ENXIO); 417 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 418 } 419 420 void 421 scintr(int unit) 422 { 423 static struct tty *cur_tty; 424 int c, len; 425 u_char *cp; 426 427 /* make screensaver happy */ 428 scrn_time_stamp = time.tv_sec; 429 if (scrn_blanked) { 430 (*current_saver)(FALSE); 431 cur_console->start = 0; 432 cur_console->end = cur_console->xsize * cur_console->ysize; 433 } 434 435 c = scgetc(1); 436 437 cur_tty = VIRTUAL_TTY(get_scr_num()); 438 if (!(cur_tty->t_state & TS_ISOPEN)) 439 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 440 return; 441 442 switch (c & 0xff00) { 443 case 0x0000: /* normal key */ 444 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 445 break; 446 case NOKEY: /* nothing there */ 447 break; 448 case FKEY: /* function key, return string */ 449 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 450 while (len-- > 0) 451 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 452 } 453 break; 454 case MKEY: /* meta is active, prepend ESC */ 455 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 456 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 457 break; 458 case BKEY: /* backtab fixed sequence (esc [ Z) */ 459 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 460 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 461 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 462 break; 463 } 464 } 465 466 int 467 scparam(struct tty *tp, struct termios *t) 468 { 469 tp->t_ispeed = t->c_ispeed; 470 tp->t_ospeed = t->c_ospeed; 471 tp->t_cflag = t->c_cflag; 472 return 0; 473 } 474 475 int 476 scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 477 { 478 int i, error; 479 struct tty *tp; 480 struct trapframe *fp; 481 scr_stat *scp; 482 483 tp = scdevtotty(dev); 484 if (!tp) 485 return ENXIO; 486 scp = get_scr_stat(tp->t_dev); 487 488 switch (cmd) { /* process console hardware related ioctl's */ 489 490 case GIO_ATTR: /* get current attributes */ 491 *(int*)data = scp->term.cur_attr; 492 return 0; 493 494 case GIO_COLOR: /* is this a color console ? */ 495 if (crtc_addr == COLOR_BASE) 496 *(int*)data = 1; 497 else 498 *(int*)data = 0; 499 return 0; 500 501 case CONS_CURRENT: /* get current adapter type */ 502 if (crtc_vga) 503 *(int*)data = KD_VGA; 504 else 505 if (crtc_addr == MONO_BASE) 506 *(int*)data = KD_MONO; 507 else 508 *(int*)data = KD_CGA; 509 return 0; 510 511 case CONS_GET: /* get current video mode */ 512 *(int*)data = scp->mode; 513 return 0; 514 515 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 516 scrn_blank_time = *(int*)data; 517 return 0; 518 519 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 520 if ((*(int*)data) & 0x01) 521 configuration |= BLINK_CURSOR; 522 else 523 configuration &= ~BLINK_CURSOR; 524 if ((*(int*)data) & 0x02) { 525 configuration |= CHAR_CURSOR; 526 set_destructive_cursor(scp, TRUE); 527 } else 528 configuration &= ~CHAR_CURSOR; 529 return 0; 530 531 case CONS_BELLTYPE: /* set bell type sound/visual */ 532 if (*data) 533 configuration |= VISUAL_BELL; 534 else 535 configuration &= ~VISUAL_BELL; 536 return 0; 537 538 case CONS_HISTORY: /* set history size */ 539 if (*data) { 540 free(scp->history, M_DEVBUF); 541 scp->history_size = *(int*)data; 542 if (scp->history_size < scp->ysize) 543 scp->history = NULL; 544 else { 545 scp->history_size *= scp->xsize; 546 scp->history_head = scp->history_pos = scp->history = 547 (u_short *)malloc(scp->history_size*sizeof(u_short), 548 M_DEVBUF, M_NOWAIT); 549 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 550 } 551 return 0; 552 } 553 else 554 return EINVAL; 555 556 case CONS_MOUSECTL: /* control mouse arrow */ 557 { 558 mouse_info_t *mouse = (mouse_info_t*)data; 559 int fontsize; 560 561 switch (scp->font) { 562 default: 563 case FONT_8: 564 fontsize = 8; break; 565 case FONT_14: 566 fontsize = 14; break; 567 case FONT_16: 568 fontsize = 16; break; 569 } 570 switch (mouse->operation) { 571 case MOUSE_SHOW: 572 if (!(scp->status & MOUSE_ENABLED)) { 573 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf); 574 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED); 575 } 576 else 577 return EINVAL; 578 break; 579 580 case MOUSE_HIDE: 581 if (scp->status & MOUSE_ENABLED) { 582 scp->status &= ~MOUSE_ENABLED; 583 scp->status |= UPDATE_MOUSE; 584 } 585 else 586 return EINVAL; 587 break; 588 589 case MOUSE_MOVEABS: 590 scp->mouse_xpos = mouse->x; 591 scp->mouse_ypos = mouse->y; 592 goto set_mouse_pos; 593 594 case MOUSE_MOVEREL: 595 scp->mouse_xpos += mouse->x; 596 scp->mouse_ypos += mouse->y; 597 set_mouse_pos: 598 if (scp->mouse_xpos < 0) 599 scp->mouse_xpos = 0; 600 if (scp->mouse_ypos < 0) 601 scp->mouse_ypos = 0; 602 if (scp->mouse_xpos >= scp->xsize*8) 603 scp->mouse_xpos = (scp->xsize*8)-1; 604 if (scp->mouse_ypos >= scp->ysize*fontsize) 605 scp->mouse_ypos = (scp->ysize*fontsize)-1; 606 scp->mouse_pos = scp->scr_buf + 607 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8; 608 if (scp->status & MOUSE_ENABLED) 609 scp->status |= UPDATE_MOUSE; 610 break; 611 612 case MOUSE_GETPOS: 613 mouse->x = scp->mouse_xpos; 614 mouse->y = scp->mouse_ypos; 615 return 0; 616 617 default: 618 return EINVAL; 619 } 620 /* make screensaver happy */ 621 if (scp == cur_console) { 622 scrn_time_stamp = time.tv_sec; 623 if (scrn_blanked) { 624 (*current_saver)(FALSE); 625 cur_console->start = 0; 626 cur_console->end = cur_console->xsize * cur_console->ysize; 627 } 628 } 629 return 0; 630 } 631 632 case CONS_GETINFO: /* get current (virtual) console info */ 633 { 634 vid_info_t *ptr = (vid_info_t*)data; 635 if (ptr->size == sizeof(struct vid_info)) { 636 ptr->m_num = get_scr_num(); 637 ptr->mv_col = scp->xpos; 638 ptr->mv_row = scp->ypos; 639 ptr->mv_csz = scp->xsize; 640 ptr->mv_rsz = scp->ysize; 641 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 642 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 643 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 644 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 645 ptr->mv_grfc.fore = 0; /* not supported */ 646 ptr->mv_grfc.back = 0; /* not supported */ 647 ptr->mv_ovscan = scp->border; 648 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 649 return 0; 650 } 651 return EINVAL; 652 } 653 654 case CONS_GETVERS: /* get version number */ 655 *(int*)data = 0x200; /* version 2.0 */ 656 return 0; 657 658 /* VGA TEXT MODES */ 659 case SW_VGA_C40x25: 660 case SW_VGA_C80x25: case SW_VGA_M80x25: 661 case SW_VGA_C80x30: case SW_VGA_M80x30: 662 case SW_VGA_C80x50: case SW_VGA_M80x50: 663 case SW_VGA_C80x60: case SW_VGA_M80x60: 664 case SW_B40x25: case SW_C40x25: 665 case SW_B80x25: case SW_C80x25: 666 case SW_ENH_B40x25: case SW_ENH_C40x25: 667 case SW_ENH_B80x25: case SW_ENH_C80x25: 668 case SW_ENH_B80x43: case SW_ENH_C80x43: 669 670 if (!crtc_vga || video_mode_ptr == NULL) 671 return ENXIO; 672 switch (cmd & 0xff) { 673 case M_VGA_C80x60: case M_VGA_M80x60: 674 if (!(fonts_loaded & FONT_8)) 675 return EINVAL; 676 scp->xsize = 80; 677 scp->ysize = 60; 678 break; 679 case M_VGA_C80x50: case M_VGA_M80x50: 680 if (!(fonts_loaded & FONT_8)) 681 return EINVAL; 682 scp->xsize = 80; 683 scp->ysize = 50; 684 break; 685 case M_ENH_B80x43: case M_ENH_C80x43: 686 if (!(fonts_loaded & FONT_8)) 687 return EINVAL; 688 scp->xsize = 80; 689 scp->ysize = 43; 690 break; 691 case M_VGA_C80x30: case M_VGA_M80x30: 692 scp->xsize = 80; 693 scp->ysize = 30; 694 break; 695 default: 696 if ((cmd & 0xff) > M_VGA_CG320) 697 return EINVAL; 698 else 699 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 700 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 701 break; 702 } 703 scp->mode = cmd & 0xff; 704 scp->status &= ~UNKNOWN_MODE; /* text mode */ 705 free(scp->scr_buf, M_DEVBUF); 706 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 707 M_DEVBUF, M_NOWAIT); 708 if (scp == cur_console) 709 set_mode(scp); 710 clear_screen(scp); 711 if (tp->t_winsize.ws_col != scp->xsize 712 || tp->t_winsize.ws_row != scp->ysize) { 713 tp->t_winsize.ws_col = scp->xsize; 714 tp->t_winsize.ws_row = scp->ysize; 715 pgsignal(tp->t_pgrp, SIGWINCH, 1); 716 } 717 return 0; 718 719 /* GRAPHICS MODES */ 720 case SW_BG320: case SW_BG640: 721 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 722 case SW_CG640x350: case SW_ENH_CG640: 723 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 724 725 if (!crtc_vga || video_mode_ptr == NULL) 726 return ENXIO; 727 scp->mode = cmd & 0xFF; 728 scp->status |= UNKNOWN_MODE; /* graphics mode */ 729 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; 730 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 731 (*(video_mode_ptr + (scp->mode*64) + 2)); 732 set_mode(scp); 733 /* clear_graphics();*/ 734 735 if (tp->t_winsize.ws_xpixel != scp->xsize 736 || tp->t_winsize.ws_ypixel != scp->ysize) { 737 tp->t_winsize.ws_xpixel = scp->xsize; 738 tp->t_winsize.ws_ypixel = scp->ysize; 739 pgsignal(tp->t_pgrp, SIGWINCH, 1); 740 } 741 return 0; 742 743 case VT_SETMODE: /* set screen switcher mode */ 744 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 745 if (scp->smode.mode == VT_PROCESS) { 746 scp->proc = p; 747 scp->pid = scp->proc->p_pid; 748 } 749 return 0; 750 751 case VT_GETMODE: /* get screen switcher mode */ 752 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 753 return 0; 754 755 case VT_RELDISP: /* screen switcher ioctl */ 756 switch(*data) { 757 case VT_FALSE: /* user refuses to release screen, abort */ 758 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 759 old_scp->status &= ~SWITCH_WAIT_REL; 760 switch_in_progress = FALSE; 761 return 0; 762 } 763 return EINVAL; 764 765 case VT_TRUE: /* user has released screen, go on */ 766 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 767 scp->status &= ~SWITCH_WAIT_REL; 768 exchange_scr(); 769 if (new_scp->smode.mode == VT_PROCESS) { 770 new_scp->status |= SWITCH_WAIT_ACQ; 771 psignal(new_scp->proc, new_scp->smode.acqsig); 772 } 773 else 774 switch_in_progress = FALSE; 775 return 0; 776 } 777 return EINVAL; 778 779 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 780 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 781 scp->status &= ~SWITCH_WAIT_ACQ; 782 switch_in_progress = FALSE; 783 return 0; 784 } 785 return EINVAL; 786 787 default: 788 return EINVAL; 789 } 790 /* NOT REACHED */ 791 792 case VT_OPENQRY: /* return free virtual console */ 793 for (i = 0; i < MAXCONS; i++) { 794 tp = VIRTUAL_TTY(i); 795 if (!(tp->t_state & TS_ISOPEN)) { 796 *data = i + 1; 797 return 0; 798 } 799 } 800 return EINVAL; 801 802 case VT_ACTIVATE: /* switch to screen *data */ 803 return switch_scr(scp, (*data) - 1); 804 805 case VT_WAITACTIVE: /* wait for switch to occur */ 806 if (*data > MAXCONS || *data < 0) 807 return EINVAL; 808 if (minor(dev) == (*data) - 1) 809 return 0; 810 if (*data == 0) { 811 if (scp == cur_console) 812 return 0; 813 } 814 else 815 scp = console[(*data) - 1]; 816 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 817 "waitvt", 0)) == ERESTART) ; 818 return error; 819 820 case VT_GETACTIVE: 821 *data = get_scr_num()+1; 822 return 0; 823 824 case KDENABIO: /* allow io operations */ 825 fp = (struct trapframe *)p->p_md.md_regs; 826 fp->tf_eflags |= PSL_IOPL; 827 return 0; 828 829 case KDDISABIO: /* disallow io operations (default) */ 830 fp = (struct trapframe *)p->p_md.md_regs; 831 fp->tf_eflags &= ~PSL_IOPL; 832 return 0; 833 834 case KDSETMODE: /* set current mode of this (virtual) console */ 835 switch (*data) { 836 case KD_TEXT: /* switch to TEXT (known) mode */ 837 /* restore fonts & palette ! */ 838 if (crtc_vga) { 839 if (fonts_loaded & FONT_8) 840 copy_font(LOAD, FONT_8, font_8); 841 if (fonts_loaded & FONT_14) 842 copy_font(LOAD, FONT_14, font_14); 843 if (fonts_loaded & FONT_16) 844 copy_font(LOAD, FONT_16, font_16); 845 load_palette(); 846 } 847 /* FALL THROUGH */ 848 849 case KD_TEXT1: /* switch to TEXT (known) mode */ 850 /* no restore fonts & palette */ 851 scp->status &= ~UNKNOWN_MODE; 852 if (crtc_vga && video_mode_ptr) 853 set_mode(scp); 854 clear_screen(scp); 855 return 0; 856 857 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 858 scp->status |= UNKNOWN_MODE; 859 return 0; 860 default: 861 return EINVAL; 862 } 863 /* NOT REACHED */ 864 865 case KDGETMODE: /* get current mode of this (virtual) console */ 866 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 867 return 0; 868 869 case KDSBORDER: /* set border color of this (virtual) console */ 870 if (!crtc_vga) 871 return ENXIO; 872 scp->border = *data; 873 if (scp == cur_console) 874 set_border(scp->border); 875 return 0; 876 877 case KDSKBSTATE: /* set keyboard state (locks) */ 878 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 879 scp->status &= ~LOCK_KEY_MASK; 880 scp->status |= *data; 881 if (scp == cur_console) 882 update_leds(scp->status); 883 return 0; 884 } 885 return EINVAL; 886 887 case KDGKBSTATE: /* get keyboard state (locks) */ 888 *data = scp->status & LOCK_KEY_MASK; 889 return 0; 890 891 case KDSETRAD: /* set keyboard repeat & delay rates */ 892 if (*data & 0x80) 893 return EINVAL; 894 i = spltty(); 895 kbd_cmd(KB_SETRAD); 896 kbd_cmd(*data); 897 splx(i); 898 return 0; 899 900 case KDSKBMODE: /* set keyboard mode */ 901 switch (*data) { 902 case K_RAW: /* switch to RAW scancode mode */ 903 scp->status |= KBD_RAW_MODE; 904 return 0; 905 906 case K_XLATE: /* switch to XLT ascii mode */ 907 if (scp == cur_console && scp->status == KBD_RAW_MODE) 908 shfts = ctls = alts = agrs = metas = 0; 909 scp->status &= ~KBD_RAW_MODE; 910 return 0; 911 default: 912 return EINVAL; 913 } 914 /* NOT REACHED */ 915 916 case KDGKBMODE: /* get keyboard mode */ 917 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 918 return 0; 919 920 case KDMKTONE: /* sound the bell */ 921 if (*(int*)data) 922 do_bell(scp, (*(int*)data)&0xffff, 923 (((*(int*)data)>>16)&0xffff)*hz/1000); 924 else 925 do_bell(scp, scp->bell_pitch, scp->bell_duration); 926 return 0; 927 928 case KIOCSOUND: /* make tone (*data) hz */ 929 if (scp == cur_console) { 930 if (*(int*)data) { 931 int pitch = TIMER_FREQ/(*(int*)data); 932 933 /* set command for counter 2, 2 byte write */ 934 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 935 return EBUSY; 936 937 /* set pitch */ 938 outb(TIMER_CNTR2, pitch); 939 outb(TIMER_CNTR2, (pitch>>8)); 940 941 /* enable counter 2 output to speaker */ 942 outb(IO_PPI, inb(IO_PPI) | 3); 943 } 944 else { 945 /* disable counter 2 output to speaker */ 946 outb(IO_PPI, inb(IO_PPI) & 0xFC); 947 release_timer2(); 948 } 949 } 950 return 0; 951 952 case KDGKBTYPE: /* get keyboard type */ 953 *data = 0; /* type not known (yet) */ 954 return 0; 955 956 case KDSETLED: /* set keyboard LED status */ 957 if (*data >= 0 && *data <= LED_MASK) { 958 scp->status &= ~LED_MASK; 959 scp->status |= *data; 960 if (scp == cur_console) 961 update_leds(scp->status); 962 return 0; 963 } 964 return EINVAL; 965 966 case KDGETLED: /* get keyboard LED status */ 967 *data = scp->status & LED_MASK; 968 return 0; 969 970 case GETFKEY: /* get functionkey string */ 971 if (*(u_short*)data < n_fkey_tab) { 972 fkeyarg_t *ptr = (fkeyarg_t*)data; 973 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 974 fkey_tab[ptr->keynum].len); 975 ptr->flen = fkey_tab[ptr->keynum].len; 976 return 0; 977 } 978 else 979 return EINVAL; 980 981 case SETFKEY: /* set functionkey string */ 982 if (*(u_short*)data < n_fkey_tab) { 983 fkeyarg_t *ptr = (fkeyarg_t*)data; 984 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 985 min(ptr->flen, MAXFK)); 986 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 987 return 0; 988 } 989 else 990 return EINVAL; 991 992 case GIO_SCRNMAP: /* get output translation table */ 993 bcopy(&scr_map, data, sizeof(scr_map)); 994 return 0; 995 996 case PIO_SCRNMAP: /* set output translation table */ 997 bcopy(data, &scr_map, sizeof(scr_map)); 998 return 0; 999 1000 case GIO_KEYMAP: /* get keyboard translation table */ 1001 bcopy(&key_map, data, sizeof(key_map)); 1002 return 0; 1003 1004 case PIO_KEYMAP: /* set keyboard translation table */ 1005 bcopy(data, &key_map, sizeof(key_map)); 1006 return 0; 1007 1008 case PIO_FONT8x8: /* set 8x8 dot font */ 1009 if (!crtc_vga) 1010 return ENXIO; 1011 bcopy(data, font_8, 8*256); 1012 fonts_loaded |= FONT_8; 1013 copy_font(LOAD, FONT_8, font_8); 1014 if (configuration & CHAR_CURSOR) 1015 set_destructive_cursor(scp, TRUE); 1016 return 0; 1017 1018 case GIO_FONT8x8: /* get 8x8 dot font */ 1019 if (!crtc_vga) 1020 return ENXIO; 1021 if (fonts_loaded & FONT_8) { 1022 bcopy(font_8, data, 8*256); 1023 return 0; 1024 } 1025 else 1026 return ENXIO; 1027 1028 case PIO_FONT8x14: /* set 8x14 dot font */ 1029 if (!crtc_vga) 1030 return ENXIO; 1031 bcopy(data, font_14, 14*256); 1032 fonts_loaded |= FONT_14; 1033 copy_font(LOAD, FONT_14, font_14); 1034 if (configuration & CHAR_CURSOR) 1035 set_destructive_cursor(scp, TRUE); 1036 return 0; 1037 1038 case GIO_FONT8x14: /* get 8x14 dot font */ 1039 if (!crtc_vga) 1040 return ENXIO; 1041 if (fonts_loaded & FONT_14) { 1042 bcopy(font_14, data, 14*256); 1043 return 0; 1044 } 1045 else 1046 return ENXIO; 1047 1048 case PIO_FONT8x16: /* set 8x16 dot font */ 1049 if (!crtc_vga) 1050 return ENXIO; 1051 bcopy(data, font_16, 16*256); 1052 fonts_loaded |= FONT_16; 1053 copy_font(LOAD, FONT_16, font_16); 1054 if (configuration & CHAR_CURSOR) 1055 set_destructive_cursor(scp, TRUE); 1056 return 0; 1057 1058 case GIO_FONT8x16: /* get 8x16 dot font */ 1059 if (!crtc_vga) 1060 return ENXIO; 1061 if (fonts_loaded & FONT_16) { 1062 bcopy(font_16, data, 16*256); 1063 return 0; 1064 } 1065 else 1066 return ENXIO; 1067 default: 1068 break; 1069 } 1070 1071 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1072 if (error >= 0) 1073 return(error); 1074 error = ttioctl(tp, cmd, data, flag); 1075 if (error >= 0) 1076 return(error); 1077 return(ENOTTY); 1078 } 1079 1080 void 1081 scxint(dev_t dev) 1082 { 1083 struct tty *tp = scdevtotty(dev); 1084 1085 if (!tp) 1086 return; 1087 tp->t_state &= ~TS_BUSY; 1088 if (tp->t_line) 1089 (*linesw[tp->t_line].l_start)(tp); 1090 else 1091 scstart(tp); 1092 } 1093 1094 void 1095 scstart(struct tty *tp) 1096 { 1097 struct clist *rbp; 1098 int i, s, len; 1099 u_char buf[PCBURST]; 1100 scr_stat *scp = get_scr_stat(tp->t_dev); 1101 1102 if (scp->status & SLKED || blink_in_progress) 1103 return; 1104 s = spltty(); 1105 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1106 tp->t_state |= TS_BUSY; 1107 splx(s); 1108 rbp = &tp->t_outq; 1109 while (rbp->c_cc) { 1110 len = q_to_b(rbp, buf, PCBURST); 1111 ansi_put(scp, buf, len); 1112 } 1113 s = spltty(); 1114 tp->t_state &= ~TS_BUSY; 1115 if (rbp->c_cc <= tp->t_lowat) { 1116 if (tp->t_state & TS_ASLEEP) { 1117 tp->t_state &= ~TS_ASLEEP; 1118 wakeup((caddr_t)rbp); 1119 } 1120 selwakeup(&tp->t_wsel); 1121 } 1122 } 1123 splx(s); 1124 } 1125 1126 void 1127 pccnprobe(struct consdev *cp) 1128 { 1129 int maj; 1130 1131 /* locate the major number */ 1132 for (maj = 0; maj < nchrdev; maj++) 1133 if ((void*)cdevsw[maj].d_open == (void*)scopen) 1134 break; 1135 1136 /* initialize required fields */ 1137 cp->cn_dev = makedev(maj, MAXCONS); 1138 cp->cn_pri = CN_INTERNAL; 1139 } 1140 1141 void 1142 pccninit(struct consdev *cp) 1143 { 1144 scinit(); 1145 } 1146 1147 void 1148 pccnputc(dev_t dev, char c) 1149 { 1150 scr_stat *scp = console[0]; 1151 term_stat save = scp->term; 1152 1153 scp->term = kernel_console; 1154 current_default = &kernel_default; 1155 if (scp->scr_buf == Crtat) 1156 draw_cursor(scp, FALSE); 1157 if (c == '\n') 1158 ansi_put(scp, "\r\n", 2); 1159 else 1160 ansi_put(scp, &c, 1); 1161 kernel_console = scp->term; 1162 current_default = &user_default; 1163 scp->term = save; 1164 if (scp == cur_console /* && scrn_timer not running */) { 1165 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1166 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1167 (1 + scp->end - scp->start) * sizeof(u_short)); 1168 scp->start = scp->xsize * scp->ysize; 1169 scp->end = 0; 1170 scp->status &= ~CURSOR_SHOWN; 1171 } 1172 draw_cursor(scp, TRUE); 1173 } 1174 } 1175 1176 int 1177 pccngetc(dev_t dev) 1178 { 1179 int s = spltty(); /* block scintr while we poll */ 1180 int c = scgetc(0); 1181 splx(s); 1182 return(c); 1183 } 1184 1185 int 1186 pccncheckc(dev_t dev) 1187 { 1188 return (scgetc(1) & 0xff); 1189 } 1190 1191 static void 1192 scrn_timer() 1193 { 1194 static int cursor_blinkrate; 1195 scr_stat *scp = cur_console; 1196 1197 /* should we just return ? */ 1198 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1199 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1200 return; 1201 } 1202 1203 if (!scrn_blanked) { 1204 /* update screen image */ 1205 if (scp->start <= scp->end) { 1206 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1207 (1 + scp->end - scp->start) * sizeof(u_short)); 1208 scp->status &= ~CURSOR_SHOWN; 1209 scp->start = scp->xsize * scp->ysize; 1210 scp->end = 0; 1211 } 1212 /* update "pseudo" mouse arrow */ 1213 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE)) 1214 draw_mouse_image(scp); 1215 1216 /* update cursor image */ 1217 if (scp->status & CURSOR_ENABLED) 1218 draw_cursor(scp, 1219 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1220 } 1221 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1222 (*current_saver)(TRUE); 1223 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1224 } 1225 1226 static void 1227 clear_screen(scr_stat *scp) 1228 { 1229 move_crsr(scp, 0, 0); 1230 fillw(scp->term.cur_attr | scr_map[0x20], scp->scr_buf, 1231 scp->xsize * scp->ysize); 1232 mark_all(scp); 1233 } 1234 1235 static int 1236 switch_scr(scr_stat *scp, u_int next_scr) 1237 { 1238 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1239 switch_in_progress = FALSE; 1240 1241 if (next_scr >= MAXCONS || switch_in_progress || 1242 (cur_console->smode.mode == VT_AUTO 1243 && cur_console->status & UNKNOWN_MODE)) { 1244 do_bell(scp, BELL_PITCH, BELL_DURATION); 1245 return EINVAL; 1246 } 1247 1248 /* is the wanted virtual console open ? */ 1249 if (next_scr) { 1250 struct tty *tp = VIRTUAL_TTY(next_scr); 1251 if (!(tp->t_state & TS_ISOPEN)) { 1252 do_bell(scp, BELL_PITCH, BELL_DURATION); 1253 return EINVAL; 1254 } 1255 } 1256 /* delay switch if actively updating screen */ 1257 if (write_in_progress || blink_in_progress) { 1258 delayed_next_scr = next_scr+1; 1259 return 0; 1260 } 1261 switch_in_progress = TRUE; 1262 old_scp = cur_console; 1263 new_scp = console[next_scr]; 1264 wakeup((caddr_t)&new_scp->smode); 1265 if (new_scp == old_scp) { 1266 switch_in_progress = FALSE; 1267 delayed_next_scr = FALSE; 1268 return 0; 1269 } 1270 1271 /* has controlling process died? */ 1272 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1273 old_scp->smode.mode = VT_AUTO; 1274 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1275 new_scp->smode.mode = VT_AUTO; 1276 1277 /* check the modes and switch approbiatly */ 1278 if (old_scp->smode.mode == VT_PROCESS) { 1279 old_scp->status |= SWITCH_WAIT_REL; 1280 psignal(old_scp->proc, old_scp->smode.relsig); 1281 } 1282 else { 1283 exchange_scr(); 1284 if (new_scp->smode.mode == VT_PROCESS) { 1285 new_scp->status |= SWITCH_WAIT_ACQ; 1286 psignal(new_scp->proc, new_scp->smode.acqsig); 1287 } 1288 else 1289 switch_in_progress = FALSE; 1290 } 1291 return 0; 1292 } 1293 1294 static void 1295 exchange_scr(void) 1296 { 1297 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1298 cur_console = new_scp; 1299 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1300 if (crtc_vga && video_mode_ptr) 1301 set_mode(new_scp); 1302 } 1303 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1304 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1305 if (fonts_loaded & FONT_8) 1306 copy_font(LOAD, FONT_8, font_8); 1307 if (fonts_loaded & FONT_14) 1308 copy_font(LOAD, FONT_14, font_14); 1309 if (fonts_loaded & FONT_16) 1310 copy_font(LOAD, FONT_16, font_16); 1311 load_palette(); 1312 } 1313 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1314 shfts = ctls = alts = agrs = metas = 0; 1315 update_leds(new_scp->status); 1316 delayed_next_scr = FALSE; 1317 bcopyw(new_scp->scr_buf, Crtat, 1318 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1319 new_scp->status &= ~CURSOR_SHOWN; 1320 } 1321 1322 static inline void 1323 move_crsr(scr_stat *scp, int x, int y) 1324 { 1325 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1326 return; 1327 scp->xpos = x; 1328 scp->ypos = y; 1329 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1330 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 1331 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1332 } 1333 1334 static void 1335 scan_esc(scr_stat *scp, u_char c) 1336 { 1337 static u_char ansi_col[16] = 1338 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1339 int i, n; 1340 u_short *src, *dst, count; 1341 1342 if (scp->term.esc == 1) { 1343 switch (c) { 1344 1345 case '[': /* Start ESC [ sequence */ 1346 scp->term.esc = 2; 1347 scp->term.last_param = -1; 1348 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1349 scp->term.param[i] = 1; 1350 scp->term.num_param = 0; 1351 return; 1352 1353 case 'M': /* Move cursor up 1 line, scroll if at top */ 1354 if (scp->ypos > 0) 1355 move_crsr(scp, scp->xpos, scp->ypos - 1); 1356 else { 1357 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1358 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1359 fillw(scp->term.cur_attr | scr_map[0x20], 1360 scp->scr_buf, scp->xsize); 1361 mark_all(scp); 1362 } 1363 break; 1364 #if notyet 1365 case 'Q': 1366 scp->term.esc = 4; 1367 break; 1368 #endif 1369 case 'c': /* Clear screen & home */ 1370 clear_screen(scp); 1371 break; 1372 } 1373 } 1374 else if (scp->term.esc == 2) { 1375 if (c >= '0' && c <= '9') { 1376 if (scp->term.num_param < MAX_ESC_PAR) { 1377 if (scp->term.last_param != scp->term.num_param) { 1378 scp->term.last_param = scp->term.num_param; 1379 scp->term.param[scp->term.num_param] = 0; 1380 } 1381 else 1382 scp->term.param[scp->term.num_param] *= 10; 1383 scp->term.param[scp->term.num_param] += c - '0'; 1384 return; 1385 } 1386 } 1387 scp->term.num_param = scp->term.last_param + 1; 1388 switch (c) { 1389 1390 case ';': 1391 if (scp->term.num_param < MAX_ESC_PAR) 1392 return; 1393 break; 1394 1395 case '=': 1396 scp->term.esc = 3; 1397 scp->term.last_param = -1; 1398 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1399 scp->term.param[i] = 1; 1400 scp->term.num_param = 0; 1401 return; 1402 1403 case 'A': /* up n rows */ 1404 n = scp->term.param[0]; if (n < 1) n = 1; 1405 move_crsr(scp, scp->xpos, scp->ypos - n); 1406 break; 1407 1408 case 'B': /* down n rows */ 1409 n = scp->term.param[0]; if (n < 1) n = 1; 1410 move_crsr(scp, scp->xpos, scp->ypos + n); 1411 break; 1412 1413 case 'C': /* right n columns */ 1414 n = scp->term.param[0]; if (n < 1) n = 1; 1415 move_crsr(scp, scp->xpos + n, scp->ypos); 1416 break; 1417 1418 case 'D': /* left n columns */ 1419 n = scp->term.param[0]; if (n < 1) n = 1; 1420 move_crsr(scp, scp->xpos - n, scp->ypos); 1421 break; 1422 1423 case 'E': /* cursor to start of line n lines down */ 1424 n = scp->term.param[0]; if (n < 1) n = 1; 1425 move_crsr(scp, 0, scp->ypos + n); 1426 break; 1427 1428 case 'F': /* cursor to start of line n lines up */ 1429 n = scp->term.param[0]; if (n < 1) n = 1; 1430 move_crsr(scp, 0, scp->ypos - n); 1431 break; 1432 1433 case 'f': /* Cursor move */ 1434 case 'H': 1435 if (scp->term.num_param == 0) 1436 move_crsr(scp, 0, 0); 1437 else if (scp->term.num_param == 2) 1438 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1439 break; 1440 1441 case 'J': /* Clear all or part of display */ 1442 if (scp->term.num_param == 0) 1443 n = 0; 1444 else 1445 n = scp->term.param[0]; 1446 switch (n) { 1447 case 0: /* clear form cursor to end of display */ 1448 fillw(scp->term.cur_attr | scr_map[0x20], 1449 scp->cursor_pos, 1450 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1451 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1452 mark_for_update(scp, scp->xsize * scp->ysize); 1453 break; 1454 case 1: /* clear from beginning of display to cursor */ 1455 fillw(scp->term.cur_attr | scr_map[0x20], 1456 scp->scr_buf, 1457 scp->cursor_pos - scp->scr_buf); 1458 mark_for_update(scp, 0); 1459 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1460 break; 1461 case 2: /* clear entire display */ 1462 clear_screen(scp); 1463 break; 1464 } 1465 break; 1466 1467 case 'K': /* Clear all or part of line */ 1468 if (scp->term.num_param == 0) 1469 n = 0; 1470 else 1471 n = scp->term.param[0]; 1472 switch (n) { 1473 case 0: /* clear form cursor to end of line */ 1474 fillw(scp->term.cur_attr | scr_map[0x20], 1475 scp->cursor_pos, 1476 scp->xsize - scp->xpos); 1477 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1478 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1479 scp->xsize - scp->xpos); 1480 break; 1481 case 1: /* clear from beginning of line to cursor */ 1482 fillw(scp->term.cur_attr|scr_map[0x20], 1483 scp->cursor_pos - (scp->xsize - scp->xpos), 1484 (scp->xsize - scp->xpos) + 1); 1485 mark_for_update(scp, scp->ypos * scp->xsize); 1486 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1487 break; 1488 case 2: /* clear entire line */ 1489 fillw(scp->term.cur_attr|scr_map[0x20], 1490 scp->cursor_pos - (scp->xsize - scp->xpos), 1491 scp->xsize); 1492 mark_for_update(scp, scp->ypos * scp->xsize); 1493 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1494 break; 1495 } 1496 break; 1497 1498 case 'L': /* Insert n lines */ 1499 n = scp->term.param[0]; if (n < 1) n = 1; 1500 if (n > scp->ysize - scp->ypos) 1501 n = scp->ysize - scp->ypos; 1502 src = scp->scr_buf + scp->ypos * scp->xsize; 1503 dst = src + n * scp->xsize; 1504 count = scp->ysize - (scp->ypos + n); 1505 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1506 fillw(scp->term.cur_attr | scr_map[0x20], src, 1507 n * scp->xsize); 1508 mark_for_update(scp, scp->ypos * scp->xsize); 1509 mark_for_update(scp, scp->xsize * scp->ysize); 1510 break; 1511 1512 case 'M': /* Delete n lines */ 1513 n = scp->term.param[0]; if (n < 1) n = 1; 1514 if (n > scp->ysize - scp->ypos) 1515 n = scp->ysize - scp->ypos; 1516 dst = scp->scr_buf + scp->ypos * scp->xsize; 1517 src = dst + n * scp->xsize; 1518 count = scp->ysize - (scp->ypos + n); 1519 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1520 src = dst + count * scp->xsize; 1521 fillw(scp->term.cur_attr | scr_map[0x20], src, 1522 n * scp->xsize); 1523 mark_for_update(scp, scp->ypos * scp->xsize); 1524 mark_for_update(scp, scp->xsize * scp->ysize); 1525 break; 1526 1527 case 'P': /* Delete n chars */ 1528 n = scp->term.param[0]; if (n < 1) n = 1; 1529 if (n > scp->xsize - scp->xpos) 1530 n = scp->xsize - scp->xpos; 1531 dst = scp->cursor_pos; 1532 src = dst + n; 1533 count = scp->xsize - (scp->xpos + n); 1534 bcopyw(src, dst, count * sizeof(u_short)); 1535 src = dst + count; 1536 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1537 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1538 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1539 break; 1540 1541 case '@': /* Insert n chars */ 1542 n = scp->term.param[0]; if (n < 1) n = 1; 1543 if (n > scp->xsize - scp->xpos) 1544 n = scp->xsize - scp->xpos; 1545 src = scp->cursor_pos; 1546 dst = src + n; 1547 count = scp->xsize - (scp->xpos + n); 1548 bcopyw(src, dst, count * sizeof(u_short)); 1549 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1550 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1551 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1552 break; 1553 1554 case 'S': /* scroll up n lines */ 1555 n = scp->term.param[0]; if (n < 1) n = 1; 1556 if (n > scp->ysize) 1557 n = scp->ysize; 1558 bcopyw(scp->scr_buf + (scp->xsize * n), 1559 scp->scr_buf, 1560 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1561 fillw(scp->term.cur_attr | scr_map[0x20], 1562 scp->scr_buf + scp->xsize * (scp->ysize - n), 1563 scp->xsize * n); 1564 mark_all(scp); 1565 break; 1566 1567 case 'T': /* scroll down n lines */ 1568 n = scp->term.param[0]; if (n < 1) n = 1; 1569 if (n > scp->ysize) 1570 n = scp->ysize; 1571 bcopyw(scp->scr_buf, 1572 scp->scr_buf + (scp->xsize * n), 1573 scp->xsize * (scp->ysize - n) * 1574 sizeof(u_short)); 1575 fillw(scp->term.cur_attr | scr_map[0x20], 1576 scp->scr_buf, scp->xsize * n); 1577 mark_all(scp); 1578 break; 1579 1580 case 'X': /* erase n characters in line */ 1581 n = scp->term.param[0]; if (n < 1) n = 1; 1582 if (n > scp->xsize - scp->xpos) 1583 n = scp->xsize - scp->xpos; 1584 fillw(scp->term.cur_attr | scr_map[0x20], 1585 scp->scr_buf + scp->xpos + 1586 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1587 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1588 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1589 break; 1590 1591 case 'Z': /* move n tabs backwards */ 1592 n = scp->term.param[0]; if (n < 1) n = 1; 1593 if ((i = scp->xpos & 0xf8) == scp->xpos) 1594 i -= 8*n; 1595 else 1596 i -= 8*(n-1); 1597 if (i < 0) 1598 i = 0; 1599 move_crsr(scp, i, scp->ypos); 1600 break; 1601 1602 case '`': /* move cursor to column n */ 1603 n = scp->term.param[0]; if (n < 1) n = 1; 1604 move_crsr(scp, n - 1, scp->ypos); 1605 break; 1606 1607 case 'a': /* move cursor n columns to the right */ 1608 n = scp->term.param[0]; if (n < 1) n = 1; 1609 move_crsr(scp, scp->xpos + n, scp->ypos); 1610 break; 1611 1612 case 'd': /* move cursor to row n */ 1613 n = scp->term.param[0]; if (n < 1) n = 1; 1614 move_crsr(scp, scp->xpos, n - 1); 1615 break; 1616 1617 case 'e': /* move cursor n rows down */ 1618 n = scp->term.param[0]; if (n < 1) n = 1; 1619 move_crsr(scp, scp->xpos, scp->ypos + n); 1620 break; 1621 1622 case 'm': /* change attribute */ 1623 if (scp->term.num_param == 0) { 1624 scp->term.cur_attr = scp->term.std_attr; 1625 break; 1626 } 1627 for (i = 0; i < scp->term.num_param; i++) { 1628 switch (n = scp->term.param[i]) { 1629 case 0: /* back to normal */ 1630 scp->term.cur_attr = scp->term.std_attr; 1631 break; 1632 case 1: /* highlight (bold) */ 1633 scp->term.cur_attr &= 0xFF00; 1634 scp->term.cur_attr |= 0x0800; 1635 break; 1636 case 4: /* highlight (underline) */ 1637 scp->term.cur_attr &= 0xFF00; 1638 scp->term.cur_attr |= 0x0800; 1639 break; 1640 case 5: /* blink */ 1641 scp->term.cur_attr &= 0xFF00; 1642 scp->term.cur_attr |= 0x8000; 1643 break; 1644 case 7: /* reverse video */ 1645 scp->term.cur_attr = scp->term.rev_attr; 1646 break; 1647 case 30: case 31: /* set fg color */ 1648 case 32: case 33: case 34: 1649 case 35: case 36: case 37: 1650 scp->term.cur_attr = 1651 (scp->term.cur_attr&0xF8FF) | (ansi_col[(n-30)&7]<<8); 1652 break; 1653 case 40: case 41: /* set bg color */ 1654 case 42: case 43: case 44: 1655 case 45: case 46: case 47: 1656 scp->term.cur_attr = 1657 (scp->term.cur_attr&0x8FFF) | (ansi_col[(n-40)&7]<<12); 1658 break; 1659 } 1660 } 1661 break; 1662 1663 case 'x': 1664 if (scp->term.num_param == 0) 1665 n = 0; 1666 else 1667 n = scp->term.param[0]; 1668 switch (n) { 1669 case 0: /* reset attributes */ 1670 scp->term.cur_attr = scp->term.std_attr = 1671 current_default->std_attr; 1672 scp->term.rev_attr = current_default->rev_attr; 1673 break; 1674 case 1: /* set ansi background */ 1675 scp->term.cur_attr = scp->term.std_attr = 1676 (scp->term.std_attr & 0x0F00) | 1677 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1678 break; 1679 case 2: /* set ansi foreground */ 1680 scp->term.cur_attr = scp->term.std_attr = 1681 (scp->term.std_attr & 0xF000) | 1682 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1683 break; 1684 case 3: /* set ansi attribute directly */ 1685 scp->term.cur_attr = scp->term.std_attr = 1686 (scp->term.param[1]&0xFF)<<8; 1687 break; 1688 case 5: /* set ansi reverse video background */ 1689 scp->term.rev_attr = 1690 (scp->term.rev_attr & 0x0F00) | 1691 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1692 break; 1693 case 6: /* set ansi reverse video foreground */ 1694 scp->term.rev_attr = 1695 (scp->term.rev_attr & 0xF000) | 1696 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1697 break; 1698 case 7: /* set ansi reverse video directly */ 1699 scp->term.rev_attr = 1700 (scp->term.param[1]&0xFF)<<8; 1701 break; 1702 } 1703 break; 1704 1705 case 'z': /* switch to (virtual) console n */ 1706 if (scp->term.num_param == 1) 1707 switch_scr(scp, scp->term.param[0]); 1708 break; 1709 } 1710 } 1711 else if (scp->term.esc == 3) { 1712 if (c >= '0' && c <= '9') { 1713 if (scp->term.num_param < MAX_ESC_PAR) { 1714 if (scp->term.last_param != scp->term.num_param) { 1715 scp->term.last_param = scp->term.num_param; 1716 scp->term.param[scp->term.num_param] = 0; 1717 } 1718 else 1719 scp->term.param[scp->term.num_param] *= 10; 1720 scp->term.param[scp->term.num_param] += c - '0'; 1721 return; 1722 } 1723 } 1724 scp->term.num_param = scp->term.last_param + 1; 1725 switch (c) { 1726 1727 case ';': 1728 if (scp->term.num_param < MAX_ESC_PAR) 1729 return; 1730 break; 1731 1732 case 'A': /* set display border color */ 1733 if (scp->term.num_param == 1) 1734 scp->border=scp->term.param[0] & 0xff; 1735 if (scp == cur_console) 1736 set_border(scp->border); 1737 break; 1738 1739 case 'B': /* set bell pitch and duration */ 1740 if (scp->term.num_param == 2) { 1741 scp->bell_pitch = scp->term.param[0]; 1742 scp->bell_duration = scp->term.param[1]*10; 1743 } 1744 break; 1745 1746 case 'C': /* set cursor type & shape */ 1747 if (scp->term.num_param == 1) { 1748 if (scp->term.param[0] & 0x01) 1749 configuration |= BLINK_CURSOR; 1750 else 1751 configuration &= ~BLINK_CURSOR; 1752 if (scp->term.param[0] & 0x02) { 1753 configuration |= CHAR_CURSOR; 1754 set_destructive_cursor(scp, TRUE); 1755 } else 1756 configuration &= ~CHAR_CURSOR; 1757 } 1758 else if (scp->term.num_param == 2) { 1759 scp->cursor_start = scp->term.param[0] & 0x1F; 1760 scp->cursor_end = scp->term.param[1] & 0x1F; 1761 if (configuration & CHAR_CURSOR) 1762 set_destructive_cursor(scp, TRUE); 1763 } 1764 break; 1765 1766 case 'F': /* set ansi foreground */ 1767 if (scp->term.num_param == 1) 1768 scp->term.cur_attr = scp->term.std_attr = 1769 (scp->term.std_attr & 0xF000) 1770 | ((scp->term.param[0] & 0x0F) << 8); 1771 break; 1772 1773 case 'G': /* set ansi background */ 1774 if (scp->term.num_param == 1) 1775 scp->term.cur_attr = scp->term.std_attr = 1776 (scp->term.std_attr & 0x0F00) 1777 | ((scp->term.param[0] & 0x0F) << 12); 1778 break; 1779 1780 case 'H': /* set ansi reverse video foreground */ 1781 if (scp->term.num_param == 1) 1782 scp->term.rev_attr = 1783 (scp->term.rev_attr & 0xF000) 1784 | ((scp->term.param[0] & 0x0F) << 8); 1785 break; 1786 1787 case 'I': /* set ansi reverse video background */ 1788 if (scp->term.num_param == 1) 1789 scp->term.rev_attr = 1790 (scp->term.rev_attr & 0x0F00) 1791 | ((scp->term.param[0] & 0x0F) << 12); 1792 break; 1793 } 1794 } 1795 scp->term.esc = 0; 1796 } 1797 1798 static inline void 1799 draw_cursor(scr_stat *scp, int show) 1800 { 1801 if (show && !(scp->status & CURSOR_SHOWN)) { 1802 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 1803 1804 scp->cursor_saveunder = cursor_image; 1805 if (configuration & CHAR_CURSOR) { 1806 set_destructive_cursor(scp, FALSE); 1807 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 1808 } 1809 else { 1810 if ((cursor_image & 0x7000) == 0x7000) { 1811 cursor_image &= 0x8fff; 1812 if(!(cursor_image & 0x0700)) 1813 cursor_image |= 0x0700; 1814 } else { 1815 cursor_image |= 0x7000; 1816 if ((cursor_image & 0x0700) == 0x0700) 1817 cursor_image &= 0xf0ff; 1818 } 1819 } 1820 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 1821 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1822 scp->status |= CURSOR_SHOWN; 1823 } 1824 if (!show && (scp->status & CURSOR_SHOWN)) { 1825 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 1826 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1827 scp->status &= ~CURSOR_SHOWN; 1828 } 1829 } 1830 1831 static void 1832 ansi_put(scr_stat *scp, u_char *buf, int len) 1833 { 1834 u_char *ptr = buf; 1835 1836 if (scp->status & UNKNOWN_MODE) 1837 return; 1838 1839 /* make screensaver happy */ 1840 if (scp == cur_console) { 1841 scrn_time_stamp = time.tv_sec; 1842 if (scrn_blanked) { 1843 (*current_saver)(FALSE); 1844 cur_console->start = 0; 1845 cur_console->end = cur_console->xsize * cur_console->ysize; 1846 } 1847 } 1848 write_in_progress++; 1849 outloop: 1850 if (scp->term.esc) { 1851 scan_esc(scp, *ptr++); 1852 len--; 1853 } 1854 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1855 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1856 u_short cur_attr = scp->term.cur_attr; 1857 u_short *cursor_pos = scp->cursor_pos; 1858 do { 1859 *cursor_pos++ = (scr_map[*ptr++] | cur_attr); 1860 cnt--; 1861 } while (cnt && PRINTABLE(*ptr)); 1862 len -= (cursor_pos - scp->cursor_pos); 1863 scp->xpos += (cursor_pos - scp->cursor_pos); 1864 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1865 mark_for_update(scp, cursor_pos - scp->scr_buf); 1866 scp->cursor_pos = cursor_pos; 1867 if (scp->xpos >= scp->xsize) { 1868 scp->xpos = 0; 1869 scp->ypos++; 1870 } 1871 } 1872 else { 1873 switch(*ptr) { 1874 case 0x07: 1875 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1876 break; 1877 1878 case 0x08: /* non-destructive backspace */ 1879 if (scp->cursor_pos > scp->scr_buf) { 1880 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1881 scp->cursor_pos--; 1882 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1883 if (scp->xpos > 0) 1884 scp->xpos--; 1885 else { 1886 scp->xpos += scp->xsize - 1; 1887 scp->ypos--; 1888 } 1889 } 1890 break; 1891 1892 case 0x09: /* non-destructive tab */ 1893 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1894 scp->cursor_pos += (8 - scp->xpos % 8u); 1895 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1896 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 1897 scp->xpos = 0; 1898 scp->ypos++; 1899 } 1900 break; 1901 1902 case 0x0a: /* newline, same pos */ 1903 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1904 scp->cursor_pos += scp->xsize; 1905 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1906 scp->ypos++; 1907 break; 1908 1909 case 0x0c: /* form feed, clears screen */ 1910 clear_screen(scp); 1911 break; 1912 1913 case 0x0d: /* return, return to pos 0 */ 1914 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1915 scp->cursor_pos -= scp->xpos; 1916 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1917 scp->xpos = 0; 1918 break; 1919 1920 case 0x1b: /* start escape sequence */ 1921 scp->term.esc = 1; 1922 scp->term.num_param = 0; 1923 break; 1924 } 1925 ptr++; len--; 1926 } 1927 /* do we have to scroll ?? */ 1928 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 1929 if (scp->history) { 1930 bcopyw(scp->scr_buf, scp->history_head, 1931 scp->xsize * sizeof(u_short)); 1932 scp->history_head += scp->xsize; 1933 if (scp->history_head + scp->xsize > 1934 scp->history + scp->history_size) 1935 scp->history_head = scp->history; 1936 } 1937 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 1938 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 1939 fillw(scp->term.cur_attr | scr_map[0x20], 1940 scp->scr_buf + scp->xsize * (scp->ysize - 1), 1941 scp->xsize); 1942 scp->cursor_pos -= scp->xsize; 1943 scp->ypos--; 1944 mark_all(scp); 1945 } 1946 if (len) 1947 goto outloop; 1948 write_in_progress--; 1949 if (delayed_next_scr) 1950 switch_scr(scp, delayed_next_scr - 1); 1951 } 1952 1953 static void 1954 scinit(void) 1955 { 1956 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1957 unsigned hw_cursor; 1958 int i; 1959 1960 if (init_done) 1961 return; 1962 init_done = TRUE; 1963 /* 1964 * Crtat initialized to point to MONO buffer, if not present change 1965 * to CGA_BUF offset. ONLY add the difference since locore.s adds 1966 * in the remapped offset at the "right" time 1967 */ 1968 was = *cp; 1969 *cp = (u_short) 0xA55A; 1970 if (*cp != 0xA55A) 1971 crtc_addr = MONO_BASE; 1972 else { 1973 *cp = was; 1974 crtc_addr = COLOR_BASE; 1975 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1976 } 1977 1978 /* extract cursor location */ 1979 outb(crtc_addr, 14); 1980 hw_cursor = inb(crtc_addr + 1) << 8; 1981 outb(crtc_addr, 15); 1982 hw_cursor |= inb(crtc_addr + 1); 1983 1984 /* move hardware cursor out of the way */ 1985 outb(crtc_addr, 14); 1986 outb(crtc_addr + 1, 0xff); 1987 outb(crtc_addr, 15); 1988 outb(crtc_addr + 1, 0xff); 1989 1990 /* is this a VGA or higher ? */ 1991 outb(crtc_addr, 7); 1992 if (inb(crtc_addr) == 7) { 1993 u_long pa; 1994 u_long segoff; 1995 1996 crtc_vga = TRUE; 1997 /* 1998 * Get the BIOS video mode pointer. 1999 */ 2000 segoff = *(u_long *)pa_to_va(0x4a8); 2001 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2002 if (ISMAPPED(pa, sizeof(u_long))) { 2003 segoff = *(u_long *)pa_to_va(pa); 2004 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2005 if (ISMAPPED(pa, 64)) 2006 video_mode_ptr = (char *)pa_to_va(pa); 2007 } 2008 } 2009 current_default = &user_default; 2010 console[0] = &main_console; 2011 init_scp(console[0]); 2012 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2013 console[0]->cursor_pos = Crtat + hw_cursor; 2014 console[0]->xpos = hw_cursor % COL; 2015 console[0]->ypos = hw_cursor / COL; 2016 cur_console = console[0]; 2017 for (i=1; i<MAXCONS; i++) 2018 console[i] = NULL; 2019 kernel_console.esc = 0; 2020 kernel_console.std_attr = kernel_default.std_attr; 2021 kernel_console.rev_attr = kernel_default.rev_attr; 2022 kernel_console.cur_attr = kernel_default.std_attr; 2023 /* initialize mapscrn array to a one to one map */ 2024 for (i=0; i<sizeof(scr_map); i++) 2025 scr_map[i] = i; 2026 } 2027 2028 static scr_stat 2029 *alloc_scp() 2030 { 2031 scr_stat *scp; 2032 2033 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_NOWAIT); 2034 init_scp(scp); 2035 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 2036 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2037 M_DEVBUF, M_NOWAIT); 2038 scp->history_head = scp->history_pos = scp->history = 2039 (u_short *)malloc(scp->history_size*sizeof(u_short), 2040 M_DEVBUF, M_NOWAIT); 2041 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2042 if (crtc_vga && video_mode_ptr) 2043 set_mode(scp); 2044 clear_screen(scp); 2045 return scp; 2046 } 2047 2048 static void 2049 init_scp(scr_stat *scp) 2050 { 2051 scp->mode = M_VGA_C80x25; 2052 scp->font = FONT_16; 2053 scp->xsize = COL; 2054 scp->ysize = ROW; 2055 scp->start = COL * ROW; 2056 scp->end = 0; 2057 scp->term.esc = 0; 2058 scp->term.std_attr = current_default->std_attr; 2059 scp->term.rev_attr = current_default->rev_attr; 2060 scp->term.cur_attr = scp->term.std_attr; 2061 scp->border = BG_BLACK; 2062 scp->cursor_start = *(char *)pa_to_va(0x461); 2063 scp->cursor_end = *(char *)pa_to_va(0x460); 2064 scp->mouse_xpos = scp->mouse_ypos = 0; 2065 scp->bell_pitch = BELL_PITCH; 2066 scp->bell_duration = BELL_DURATION; 2067 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2068 scp->status |= CURSOR_ENABLED; 2069 scp->pid = 0; 2070 scp->proc = NULL; 2071 scp->smode.mode = VT_AUTO; 2072 scp->history_head = scp->history_pos = scp->history = NULL; 2073 scp->history_size = HISTORY_SIZE; 2074 } 2075 2076 static u_char 2077 *get_fstr(u_int c, u_int *len) 2078 { 2079 u_int i; 2080 2081 if (!(c & FKEY)) 2082 return(NULL); 2083 i = (c & 0xFF) - F_FN; 2084 if (i > n_fkey_tab) 2085 return(NULL); 2086 *len = fkey_tab[i].len; 2087 return(fkey_tab[i].str); 2088 } 2089 2090 static void 2091 update_leds(int which) 2092 { 2093 int s; 2094 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2095 2096 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2097 if (key_map.n_keys > ALTGR_OFFSET) { 2098 if (which & ALKED) 2099 which |= CLKED; 2100 else 2101 which &= ~CLKED; 2102 } 2103 s = spltty(); 2104 kbd_cmd(KB_SETLEDS); 2105 kbd_cmd(xlate_leds[which & LED_MASK]); 2106 splx(s); 2107 } 2108 2109 static void 2110 history_to_screen(scr_stat *scp) 2111 { 2112 int i; 2113 2114 for (i=0; i<scp->ysize; i++) 2115 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2116 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2117 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2118 scp->xsize * sizeof(u_short)); 2119 mark_all(scp); 2120 } 2121 2122 static int 2123 history_up_line(scr_stat *scp) 2124 { 2125 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2126 scp->history_head) { 2127 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2128 history_to_screen(scp); 2129 return 0; 2130 } 2131 else 2132 return -1; 2133 } 2134 2135 static int 2136 history_down_line(scr_stat *scp) 2137 { 2138 if (scp->history_pos != scp->history_head) { 2139 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2140 history_to_screen(scp); 2141 return 0; 2142 } 2143 else 2144 return -1; 2145 } 2146 2147 /* 2148 * scgetc(noblock) - get character from keyboard. 2149 * If noblock = 0 wait until a key is pressed. 2150 * Else return NOKEY. 2151 */ 2152 u_int 2153 scgetc(int noblock) 2154 { 2155 u_char scancode, keycode; 2156 u_int state, action; 2157 struct key_t *key; 2158 static u_char esc_flag = 0, compose = 0; 2159 static u_int chr = 0; 2160 2161 next_code: 2162 kbd_wait(); 2163 /* First see if there is something in the keyboard port */ 2164 if (inb(KB_STAT) & KB_BUF_FULL) 2165 scancode = inb(KB_DATA); 2166 else if (noblock) 2167 return(NOKEY); 2168 else 2169 goto next_code; 2170 2171 if (cur_console->status & KBD_RAW_MODE) 2172 return scancode; 2173 #if ASYNCH 2174 if (scancode == KB_ACK || scancode == KB_RESEND) { 2175 kbd_reply = scancode; 2176 if (noblock) 2177 return(NOKEY); 2178 goto next_code; 2179 } 2180 #endif 2181 keycode = scancode & 0x7F; 2182 switch (esc_flag) { 2183 case 0x00: /* normal scancode */ 2184 switch(scancode) { 2185 case 0xB8: /* left alt (compose key) */ 2186 if (compose) { 2187 compose = 0; 2188 if (chr > 255) { 2189 do_bell(cur_console, 2190 BELL_PITCH, BELL_DURATION); 2191 chr = 0; 2192 } 2193 } 2194 break; 2195 case 0x38: 2196 if (!compose) { 2197 compose = 1; 2198 chr = 0; 2199 } 2200 break; 2201 case 0xE0: 2202 case 0xE1: 2203 esc_flag = scancode; 2204 goto next_code; 2205 } 2206 break; 2207 case 0xE0: /* 0xE0 prefix */ 2208 esc_flag = 0; 2209 switch (keycode) { 2210 case 0x1C: /* right enter key */ 2211 keycode = 0x59; 2212 break; 2213 case 0x1D: /* right ctrl key */ 2214 keycode = 0x5A; 2215 break; 2216 case 0x35: /* keypad divide key */ 2217 keycode = 0x5B; 2218 break; 2219 case 0x37: /* print scrn key */ 2220 keycode = 0x5C; 2221 break; 2222 case 0x38: /* right alt key (alt gr) */ 2223 keycode = 0x5D; 2224 break; 2225 case 0x47: /* grey home key */ 2226 keycode = 0x5E; 2227 break; 2228 case 0x48: /* grey up arrow key */ 2229 keycode = 0x5F; 2230 break; 2231 case 0x49: /* grey page up key */ 2232 keycode = 0x60; 2233 break; 2234 case 0x4B: /* grey left arrow key */ 2235 keycode = 0x61; 2236 break; 2237 case 0x4D: /* grey right arrow key */ 2238 keycode = 0x62; 2239 break; 2240 case 0x4F: /* grey end key */ 2241 keycode = 0x63; 2242 break; 2243 case 0x50: /* grey down arrow key */ 2244 keycode = 0x64; 2245 break; 2246 case 0x51: /* grey page down key */ 2247 keycode = 0x65; 2248 break; 2249 case 0x52: /* grey insert key */ 2250 keycode = 0x66; 2251 break; 2252 case 0x53: /* grey delete key */ 2253 keycode = 0x67; 2254 break; 2255 2256 /* the following 3 are only used on the MS "Natural" keyboard */ 2257 case 0x5b: /* left Window key */ 2258 keycode = 0x69; 2259 break; 2260 case 0x5c: /* right Window key */ 2261 keycode = 0x6a; 2262 break; 2263 case 0x5d: /* menu key */ 2264 keycode = 0x6b; 2265 break; 2266 default: /* ignore everything else */ 2267 goto next_code; 2268 } 2269 break; 2270 case 0xE1: /* 0xE1 prefix */ 2271 esc_flag = 0; 2272 if (keycode == 0x1D) 2273 esc_flag = 0x1D; 2274 goto next_code; 2275 /* NOT REACHED */ 2276 case 0x1D: /* pause / break */ 2277 esc_flag = 0; 2278 if (keycode != 0x45) 2279 goto next_code; 2280 keycode = 0x68; 2281 break; 2282 } 2283 2284 /* if scroll-lock pressed allow history browsing */ 2285 if (cur_console->history && cur_console->status & SLKED) { 2286 int i; 2287 2288 cur_console->status &= ~CURSOR_ENABLED; 2289 if (!(cur_console->status & BUFFER_SAVED)) { 2290 cur_console->status |= BUFFER_SAVED; 2291 cur_console->history_save = cur_console->history_head; 2292 2293 /* copy screen into top of history buffer */ 2294 for (i=0; i<cur_console->ysize; i++) { 2295 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2296 cur_console->history_head, 2297 cur_console->xsize * sizeof(u_short)); 2298 cur_console->history_head += cur_console->xsize; 2299 if (cur_console->history_head + cur_console->xsize > 2300 cur_console->history + cur_console->history_size) 2301 cur_console->history_head=cur_console->history; 2302 } 2303 cur_console->history_pos = cur_console->history_head; 2304 history_to_screen(cur_console); 2305 } 2306 switch (scancode) { 2307 case 0x47: /* home key */ 2308 cur_console->history_pos = cur_console->history_head; 2309 history_to_screen(cur_console); 2310 goto next_code; 2311 2312 case 0x4F: /* end key */ 2313 cur_console->history_pos = 2314 WRAPHIST(cur_console, cur_console->history_head, 2315 cur_console->xsize*cur_console->ysize); 2316 history_to_screen(cur_console); 2317 goto next_code; 2318 2319 case 0x48: /* up arrow key */ 2320 if (history_up_line(cur_console)) 2321 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2322 goto next_code; 2323 2324 case 0x50: /* down arrow key */ 2325 if (history_down_line(cur_console)) 2326 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2327 goto next_code; 2328 2329 case 0x49: /* page up key */ 2330 for (i=0; i<cur_console->ysize; i++) 2331 if (history_up_line(cur_console)) { 2332 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2333 break; 2334 } 2335 goto next_code; 2336 2337 case 0x51: /* page down key */ 2338 for (i=0; i<cur_console->ysize; i++) 2339 if (history_down_line(cur_console)) { 2340 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2341 break; 2342 } 2343 goto next_code; 2344 } 2345 } 2346 2347 if (compose) { 2348 switch (scancode) { 2349 /* key pressed process it */ 2350 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2351 chr = (scancode - 0x40) + chr*10; 2352 goto next_code; 2353 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2354 chr = (scancode - 0x47) + chr*10; 2355 goto next_code; 2356 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2357 chr = (scancode - 0x4E) + chr*10; 2358 goto next_code; 2359 case 0x52: /* keypad 0 */ 2360 chr *= 10; 2361 goto next_code; 2362 2363 /* key release, no interest here */ 2364 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2365 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2366 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2367 case 0xD2: /* keypad 0 */ 2368 goto next_code; 2369 2370 case 0x38: /* left alt key */ 2371 break; 2372 default: 2373 if (chr) { 2374 compose = chr = 0; 2375 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2376 goto next_code; 2377 } 2378 break; 2379 } 2380 } 2381 2382 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2383 if ((!agrs && (cur_console->status & ALKED)) 2384 || (agrs && !(cur_console->status & ALKED))) 2385 keycode += ALTGR_OFFSET; 2386 key = &key_map.key[keycode]; 2387 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2388 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2389 state ^= 1; 2390 2391 /* Check for make/break */ 2392 action = key->map[state]; 2393 if (scancode & 0x80) { /* key released */ 2394 if (key->spcl & 0x80) { 2395 switch (action) { 2396 case LSH: 2397 shfts &= ~1; 2398 break; 2399 case RSH: 2400 shfts &= ~2; 2401 break; 2402 case LCTR: 2403 ctls &= ~1; 2404 break; 2405 case RCTR: 2406 ctls &= ~2; 2407 break; 2408 case LALT: 2409 alts &= ~1; 2410 break; 2411 case RALT: 2412 alts &= ~2; 2413 break; 2414 case NLK: 2415 nlkcnt = 0; 2416 break; 2417 case CLK: 2418 clkcnt = 0; 2419 break; 2420 case SLK: 2421 slkcnt = 0; 2422 break; 2423 case ASH: 2424 agrs = 0; 2425 break; 2426 case ALK: 2427 alkcnt = 0; 2428 break; 2429 case META: 2430 metas = 0; 2431 break; 2432 } 2433 } 2434 if (chr && !compose) { 2435 action = chr; 2436 chr = 0; 2437 return(action); 2438 } 2439 } else { 2440 /* key pressed */ 2441 if (key->spcl & (0x80>>state)) { 2442 switch (action) { 2443 /* LOCKING KEYS */ 2444 case NLK: 2445 if (!nlkcnt) { 2446 nlkcnt++; 2447 if (cur_console->status & NLKED) 2448 cur_console->status &= ~NLKED; 2449 else 2450 cur_console->status |= NLKED; 2451 update_leds(cur_console->status); 2452 } 2453 break; 2454 case CLK: 2455 if (!clkcnt) { 2456 clkcnt++; 2457 if (cur_console->status & CLKED) 2458 cur_console->status &= ~CLKED; 2459 else 2460 cur_console->status |= CLKED; 2461 update_leds(cur_console->status); 2462 } 2463 break; 2464 case SLK: 2465 if (!slkcnt) { 2466 slkcnt++; 2467 if (cur_console->status & SLKED) { 2468 cur_console->status &= ~SLKED; 2469 if (cur_console->status & BUFFER_SAVED){ 2470 int i; 2471 u_short *ptr = cur_console->history_save; 2472 2473 for (i=0; i<cur_console->ysize; i++) { 2474 bcopyw(ptr, 2475 cur_console->scr_buf + 2476 (cur_console->xsize*i), 2477 cur_console->xsize * sizeof(u_short)); 2478 ptr += cur_console->xsize; 2479 if (ptr + cur_console->xsize > 2480 cur_console->history + 2481 cur_console->history_size) 2482 ptr = cur_console->history; 2483 } 2484 cur_console->status &= ~BUFFER_SAVED; 2485 cur_console->history_head=cur_console->history_save; 2486 cur_console->status |= CURSOR_ENABLED; 2487 } 2488 scstart(VIRTUAL_TTY(get_scr_num())); 2489 } 2490 else 2491 cur_console->status |= SLKED; 2492 update_leds(cur_console->status); 2493 } 2494 break; 2495 case ALK: 2496 if (!alkcnt) { 2497 alkcnt++; 2498 if (cur_console->status & ALKED) 2499 cur_console->status &= ~ALKED; 2500 else 2501 cur_console->status |= ALKED; 2502 update_leds(cur_console->status); 2503 } 2504 break; 2505 2506 /* NON-LOCKING KEYS */ 2507 case NOP: 2508 break; 2509 case RBT: 2510 shutdown_nice(); 2511 break; 2512 case SUSP: 2513 #if NAPM > 0 2514 apm_suspend(); 2515 #endif 2516 break; 2517 2518 case DBG: 2519 #ifdef DDB /* try to switch to console 0 */ 2520 if (cur_console->smode.mode == VT_AUTO && 2521 console[0]->smode.mode == VT_AUTO) 2522 switch_scr(cur_console, 0); 2523 Debugger("manual escape to debugger"); 2524 return(NOKEY); 2525 #else 2526 printf("No debugger in kernel\n"); 2527 #endif 2528 break; 2529 case LSH: 2530 shfts |= 1; 2531 break; 2532 case RSH: 2533 shfts |= 2; 2534 break; 2535 case LCTR: 2536 ctls |= 1; 2537 break; 2538 case RCTR: 2539 ctls |= 2; 2540 break; 2541 case LALT: 2542 alts |= 1; 2543 break; 2544 case RALT: 2545 alts |= 2; 2546 break; 2547 case ASH: 2548 agrs = 1; 2549 break; 2550 case META: 2551 metas = 1; 2552 break; 2553 case NEXT: 2554 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2555 break; 2556 case BTAB: 2557 return(BKEY); 2558 default: 2559 if (action >= F_SCR && action <= L_SCR) { 2560 switch_scr(cur_console, action - F_SCR); 2561 break; 2562 } 2563 if (action >= F_FN && action <= L_FN) 2564 action |= FKEY; 2565 return(action); 2566 } 2567 } 2568 else { 2569 if (metas) 2570 action |= MKEY; 2571 return(action); 2572 } 2573 } 2574 goto next_code; 2575 } 2576 2577 int 2578 scmmap(dev_t dev, int offset, int nprot) 2579 { 2580 if (offset > 0x20000 - PAGE_SIZE) 2581 return -1; 2582 return i386_btop((VIDEOMEM + offset)); 2583 } 2584 2585 static void 2586 kbd_wait(void) 2587 { 2588 int i = 1000; 2589 2590 while (i--) { 2591 if ((inb(KB_STAT) & KB_READY) == 0) 2592 break; 2593 DELAY (10); 2594 } 2595 } 2596 2597 static void 2598 kbd_cmd(u_char command) 2599 { 2600 int retry = 5; 2601 do { 2602 int i = 100000; 2603 2604 kbd_wait(); 2605 #if ASYNCH 2606 kbd_reply = 0; 2607 outb(KB_DATA, command); 2608 while (i--) { 2609 if (kbd_reply == KB_ACK) 2610 return; 2611 if (kbd_reply == KB_RESEND) 2612 break; 2613 } 2614 #else 2615 outb(KB_DATA, command); 2616 while (i--) { 2617 if (inb(KB_STAT) & KB_BUF_FULL) { 2618 int val; 2619 DELAY(10); 2620 val = inb(KB_DATA); 2621 if (val == KB_ACK) 2622 return; 2623 if (val == KB_RESEND) 2624 break; 2625 } 2626 } 2627 #endif 2628 } while (retry--); 2629 } 2630 2631 static void 2632 set_mode(scr_stat *scp) 2633 { 2634 char *modetable; 2635 char special_modetable[64]; 2636 int mode, font_size; 2637 2638 if (scp != cur_console) 2639 return; 2640 2641 /* setup video hardware for the given mode */ 2642 switch (scp->mode) { 2643 case M_VGA_M80x60: 2644 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2645 goto special_80x60; 2646 2647 case M_VGA_C80x60: 2648 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2649 special_80x60: 2650 special_modetable[2] = 0x08; 2651 special_modetable[19] = 0x47; 2652 goto special_480l; 2653 2654 case M_VGA_M80x30: 2655 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2656 goto special_80x30; 2657 2658 case M_VGA_C80x30: 2659 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2660 special_80x30: 2661 special_modetable[19] = 0x4f; 2662 special_480l: 2663 special_modetable[9] |= 0xc0; 2664 special_modetable[16] = 0x08; 2665 special_modetable[17] = 0x3e; 2666 special_modetable[26] = 0xea; 2667 special_modetable[28] = 0xdf; 2668 special_modetable[31] = 0xe7; 2669 special_modetable[32] = 0x04; 2670 modetable = special_modetable; 2671 goto setup_mode; 2672 2673 case M_ENH_B80x43: 2674 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2675 goto special_80x43; 2676 2677 case M_ENH_C80x43: 2678 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2679 special_80x43: 2680 special_modetable[28] = 87; 2681 goto special_80x50; 2682 2683 case M_VGA_M80x50: 2684 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2685 goto special_80x50; 2686 2687 case M_VGA_C80x50: 2688 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2689 special_80x50: 2690 special_modetable[2] = 8; 2691 special_modetable[19] = 7; 2692 modetable = special_modetable; 2693 goto setup_mode; 2694 2695 case M_VGA_C40x25: case M_VGA_C80x25: 2696 case M_VGA_M80x25: 2697 case M_B40x25: case M_C40x25: 2698 case M_B80x25: case M_C80x25: 2699 case M_ENH_B40x25: case M_ENH_C40x25: 2700 case M_ENH_B80x25: case M_ENH_C80x25: 2701 2702 modetable = video_mode_ptr + (scp->mode * 64); 2703 setup_mode: 2704 set_vgaregs(modetable); 2705 font_size = *(modetable + 2); 2706 2707 /* set font type (size) */ 2708 switch (font_size) { 2709 case 0x10: 2710 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2711 scp->font = FONT_16; 2712 break; 2713 case 0x0E: 2714 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2715 scp->font = FONT_14; 2716 break; 2717 default: 2718 case 0x08: 2719 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2720 scp->font = FONT_8; 2721 break; 2722 } 2723 if (configuration & CHAR_CURSOR) 2724 set_destructive_cursor(scp, TRUE); 2725 break; 2726 2727 case M_BG320: case M_CG320: case M_BG640: 2728 case M_CG320_D: case M_CG640_E: 2729 case M_CG640x350: case M_ENH_CG640: 2730 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2731 2732 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2733 break; 2734 2735 default: 2736 /* call user defined function XXX */ 2737 break; 2738 } 2739 2740 /* set border color for this (virtual) console */ 2741 set_border(scp->border); 2742 return; 2743 } 2744 2745 void 2746 set_border(int color) 2747 { 2748 inb(crtc_addr+6); /* reset flip-flop */ 2749 outb(ATC, 0x11); outb(ATC, color); 2750 inb(crtc_addr+6); /* reset flip-flop */ 2751 outb(ATC, 0x20); /* enable Palette */ 2752 } 2753 2754 static void 2755 set_vgaregs(char *modetable) 2756 { 2757 int i, s = splhigh(); 2758 2759 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2760 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2761 for (i=0; i<4; i++) { /* program sequencer */ 2762 outb(TSIDX, i+1); 2763 outb(TSREG, modetable[i+5]); 2764 } 2765 outb(MISC, modetable[9]); /* set dot-clock */ 2766 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2767 outb(crtc_addr, 0x11); 2768 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2769 for (i=0; i<25; i++) { /* program crtc */ 2770 outb(crtc_addr, i); 2771 if (i == 14 || i == 15) /* no hardware cursor */ 2772 outb(crtc_addr+1, 0xff); 2773 else 2774 outb(crtc_addr+1, modetable[i+10]); 2775 } 2776 inb(crtc_addr+6); /* reset flip-flop */ 2777 for (i=0; i<20; i++) { /* program attribute ctrl */ 2778 outb(ATC, i); 2779 outb(ATC, modetable[i+35]); 2780 } 2781 for (i=0; i<9; i++) { /* program graph data ctrl */ 2782 outb(GDCIDX, i); 2783 outb(GDCREG, modetable[i+55]); 2784 } 2785 inb(crtc_addr+6); /* reset flip-flop */ 2786 outb(ATC ,0x20); /* enable palette */ 2787 splx(s); 2788 } 2789 2790 static void 2791 set_font_mode() 2792 { 2793 /* setup vga for loading fonts (graphics plane mode) */ 2794 inb(crtc_addr+6); 2795 outb(ATC, 0x30); outb(ATC, 0x01); 2796 #if SLOW_VGA 2797 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2798 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2799 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2800 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2801 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2802 #else 2803 outw(TSIDX, 0x0402); 2804 outw(TSIDX, 0x0604); 2805 outw(GDCIDX, 0x0204); 2806 outw(GDCIDX, 0x0005); 2807 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2808 #endif 2809 } 2810 2811 static void 2812 set_normal_mode() 2813 { 2814 int s = splhigh(); 2815 2816 /* setup vga for normal operation mode again */ 2817 inb(crtc_addr+6); 2818 outb(ATC, 0x30); outb(ATC, 0x0C); 2819 #if SLOW_VGA 2820 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2821 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2822 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2823 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2824 if (crtc_addr == MONO_BASE) { 2825 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2826 } 2827 else { 2828 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2829 } 2830 #else 2831 outw(TSIDX, 0x0302); 2832 outw(TSIDX, 0x0204); 2833 outw(GDCIDX, 0x0004); 2834 outw(GDCIDX, 0x1005); 2835 if (crtc_addr == MONO_BASE) 2836 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2837 else 2838 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2839 #endif 2840 splx(s); 2841 } 2842 2843 static void 2844 copy_font(int operation, int font_type, char* font_image) 2845 { 2846 int ch, line, segment, fontsize; 2847 u_char val; 2848 2849 switch (font_type) { 2850 default: 2851 case FONT_8: 2852 segment = 0x8000; 2853 fontsize = 8; 2854 break; 2855 case FONT_14: 2856 segment = 0x4000; 2857 fontsize = 14; 2858 break; 2859 case FONT_16: 2860 segment = 0x0000; 2861 fontsize = 16; 2862 break; 2863 } 2864 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 2865 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2866 set_font_mode(); 2867 for (ch=0; ch < 256; ch++) 2868 for (line=0; line < fontsize; line++) 2869 if (operation) 2870 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 2871 font_image[(ch*fontsize)+line]; 2872 else 2873 font_image[(ch*fontsize)+line] = 2874 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 2875 set_normal_mode(); 2876 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 2877 } 2878 2879 static void 2880 set_destructive_cursor(scr_stat *scp, int force) 2881 { 2882 u_char cursor[32]; 2883 caddr_t address; 2884 int i, font_size; 2885 char *font_buffer; 2886 static u_char old_saveunder = DEAD_CHAR; 2887 2888 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 2889 return; 2890 old_saveunder = scp->cursor_saveunder & 0xFF; 2891 switch (scp->font) { 2892 default: 2893 case FONT_8: 2894 font_size = 8; 2895 font_buffer = font_8; 2896 address = (caddr_t)VIDEOMEM + 0x8000; 2897 break; 2898 case FONT_14: 2899 font_size = 14; 2900 font_buffer = font_14; 2901 address = (caddr_t)VIDEOMEM + 0x4000; 2902 break; 2903 case FONT_16: 2904 font_size = 16; 2905 font_buffer = font_16; 2906 address = (caddr_t)VIDEOMEM; 2907 break; 2908 } 2909 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 2910 cursor, font_size); 2911 for (i=0; i<32; i++) 2912 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 2913 (scp->cursor_start >= font_size && i == font_size - 1)) 2914 cursor[i] |= 0xff; 2915 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 2916 set_font_mode(); 2917 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 2918 set_normal_mode(); 2919 } 2920 2921 static void 2922 draw_mouse_image(scr_stat *scp) 2923 { 2924 caddr_t address; 2925 int i, font_size; 2926 char *font_buffer; 2927 u_short buffer[32]; 2928 u_short xoffset, yoffset; 2929 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 2930 2931 xoffset = scp->mouse_xpos % 8; 2932 switch (scp->font) { 2933 default: 2934 case FONT_8: 2935 font_size = 8; 2936 font_buffer = font_8; 2937 yoffset = scp->mouse_ypos % 8; 2938 address = (caddr_t)VIDEOMEM + 0x8000; 2939 break; 2940 case FONT_14: 2941 font_size = 14; 2942 font_buffer = font_14; 2943 yoffset = scp->mouse_ypos % 14; 2944 address = (caddr_t)VIDEOMEM + 0x4000; 2945 break; 2946 case FONT_16: 2947 font_size = 16; 2948 font_buffer = font_16; 2949 yoffset = scp->mouse_ypos % 16; 2950 address = (caddr_t)VIDEOMEM; 2951 break; 2952 } 2953 2954 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 2955 &scp->mouse_cursor[0], font_size); 2956 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 2957 &scp->mouse_cursor[32], font_size); 2958 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 2959 &scp->mouse_cursor[64], font_size); 2960 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 2961 &scp->mouse_cursor[96], font_size); 2962 2963 for (i=0; i<font_size; i++) { 2964 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 2965 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 2966 } 2967 for (i=0; i<16; i++) { 2968 buffer[i+yoffset] = 2969 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 2970 | (mouse_or_mask[i] >> xoffset); 2971 } 2972 for (i=0; i<font_size; i++) { 2973 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 2974 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 2975 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 2976 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 2977 } 2978 if (scp->status & UPDATE_MOUSE) { 2979 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 2980 2981 if (crt_pos != scp->mouse_oldpos) { 2982 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 2983 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 2984 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 2985 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 2986 } 2987 scp->mouse_saveunder[0] = *(scp->mouse_pos); 2988 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 2989 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 2990 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 2991 if ((scp->cursor_pos == (ptr)) || 2992 (scp->cursor_pos == (ptr+1)) || 2993 (scp->cursor_pos == (ptr+scp->xsize)) || 2994 (scp->cursor_pos == (ptr+scp->xsize+1)) || 2995 (scp->cursor_pos == (scp->mouse_pos)) || 2996 (scp->cursor_pos == (scp->mouse_pos+1)) || 2997 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 2998 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 2999 scp->status &= ~CURSOR_SHOWN; 3000 } 3001 scp->mouse_oldpos = crt_pos; 3002 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3003 *(crt_pos) = *(scp->mouse_pos)&0xff00|0xd0; 3004 *(crt_pos+1) = *(scp->mouse_pos+1)&0xff00|0xd1; 3005 *(crt_pos+scp->xsize) = *(scp->mouse_pos+scp->xsize)&0xff00|0xd2; 3006 *(crt_pos+scp->xsize+1) = *(scp->mouse_pos+scp->xsize+1)&0xff00|0xd3; 3007 set_font_mode(); 3008 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3009 set_normal_mode(); 3010 } 3011 3012 static void 3013 save_palette(void) 3014 { 3015 int i; 3016 3017 outb(PALRADR, 0x00); 3018 for (i=0x00; i<0x300; i++) 3019 palette[i] = inb(PALDATA); 3020 inb(crtc_addr+6); /* reset flip/flop */ 3021 } 3022 3023 void 3024 load_palette(void) 3025 { 3026 int i; 3027 3028 outb(PIXMASK, 0xFF); /* no pixelmask */ 3029 outb(PALWADR, 0x00); 3030 for (i=0x00; i<0x300; i++) 3031 outb(PALDATA, palette[i]); 3032 inb(crtc_addr+6); /* reset flip/flop */ 3033 outb(ATC, 0x20); /* enable palette */ 3034 } 3035 3036 static void 3037 do_bell(scr_stat *scp, int pitch, int duration) 3038 { 3039 if (scp == cur_console) { 3040 if (configuration & VISUAL_BELL) { 3041 if (blink_in_progress) 3042 return; 3043 blink_in_progress = 4; 3044 blink_screen(scp); 3045 timeout((timeout_func_t)blink_screen, scp, hz/10); 3046 } 3047 else 3048 sysbeep(pitch, duration); 3049 } 3050 } 3051 3052 static void 3053 blink_screen(scr_stat *scp) 3054 { 3055 if (blink_in_progress > 1) { 3056 if (blink_in_progress & 1) 3057 fillw(kernel_default.std_attr | scr_map[0x20], 3058 Crtat, scp->xsize * scp->ysize); 3059 else 3060 fillw(kernel_default.rev_attr | scr_map[0x20], 3061 Crtat, scp->xsize * scp->ysize); 3062 blink_in_progress--; 3063 timeout((timeout_func_t)blink_screen, scp, hz/10); 3064 } 3065 else { 3066 blink_in_progress = FALSE; 3067 mark_all(scp); 3068 if (delayed_next_scr) 3069 switch_scr(scp, delayed_next_scr - 1); 3070 } 3071 } 3072 3073 #endif /* NSC */ 3074