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 1.107 1995/03/03 08:37:07 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 }; 208 209 static inline void 210 sc_registerdev(struct isa_device *id) 211 { 212 if(id->id_unit) 213 kdc_sc[id->id_unit] = kdc_sc[0]; 214 kdc_sc[id->id_unit].kdc_unit = id->id_unit; 215 kdc_sc[id->id_unit].kdc_isa = id; 216 dev_attach(&kdc_sc[id->id_unit]); 217 } 218 219 #if NAPM > 0 220 static int 221 scresume(void *dummy) 222 { 223 shfts = 0; 224 ctls = 0; 225 alts = 0; 226 agrs = 0; 227 metas = 0; 228 return 0; 229 } 230 #endif 231 232 int 233 scattach(struct isa_device *dev) 234 { 235 scr_stat *scp; 236 237 scinit(); 238 configuration = dev->id_flags; 239 240 scp = console[0]; 241 242 if (crtc_vga) { 243 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 244 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 245 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 246 copy_font(SAVE, FONT_16, font_16); 247 fonts_loaded = FONT_16; 248 scp->font = FONT_16; 249 save_palette(); 250 } 251 252 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 253 M_DEVBUF, M_NOWAIT); 254 /* copy screen to buffer */ 255 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 256 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 257 scp->mouse_pos = scp->scr_buf; 258 259 /* initialize history buffer & pointers */ 260 scp->history_head = scp->history_pos = scp->history = 261 (u_short *)malloc(scp->history_size*sizeof(u_short), 262 M_DEVBUF, M_NOWAIT); 263 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 264 265 /* initialize cursor stuff */ 266 draw_cursor(scp, TRUE); 267 if (crtc_vga && (configuration & CHAR_CURSOR)) 268 set_destructive_cursor(scp, TRUE); 269 270 /* get screen update going */ 271 scrn_timer(); 272 273 update_leds(scp->status); 274 sc_registerdev(dev); 275 276 printf("sc%d: ", dev->id_unit); 277 if (crtc_vga) 278 if (crtc_addr == MONO_BASE) 279 printf("VGA mono"); 280 else 281 printf("VGA color"); 282 else 283 if (crtc_addr == MONO_BASE) 284 printf("MDA/hercules"); 285 else 286 printf("CGA/EGA"); 287 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 288 289 #if NAPM > 0 290 scp->r_hook.ah_fun = scresume; 291 scp->r_hook.ah_arg = NULL; 292 scp->r_hook.ah_name = "system keyboard"; 293 scp->r_hook.ah_order = APM_MID_ORDER; 294 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 295 #endif 296 return 0; 297 } 298 299 struct tty 300 *scdevtotty(dev_t dev) 301 { 302 int unit = minor(dev); 303 304 if (unit > MAXCONS || unit < 0) 305 return(NULL); 306 if (unit == MAXCONS) 307 return CONSOLE_TTY; 308 return VIRTUAL_TTY(unit); 309 } 310 311 static scr_stat 312 *get_scr_stat(dev_t dev) 313 { 314 int unit = minor(dev); 315 316 if (unit > MAXCONS || unit < 0) 317 return(NULL); 318 if (unit == MAXCONS) 319 return console[0]; 320 return console[unit]; 321 } 322 323 static int 324 get_scr_num() 325 { 326 int i = 0; 327 328 while ((i < MAXCONS) && (cur_console != console[i])) 329 i++; 330 return i < MAXCONS ? i : 0; 331 } 332 333 int 334 scopen(dev_t dev, int flag, int mode, struct proc *p) 335 { 336 struct tty *tp = scdevtotty(dev); 337 338 if (!tp) 339 return(ENXIO); 340 341 tp->t_oproc = scstart; 342 tp->t_param = scparam; 343 tp->t_dev = dev; 344 if (!(tp->t_state & TS_ISOPEN)) { 345 ttychars(tp); 346 tp->t_iflag = TTYDEF_IFLAG; 347 tp->t_oflag = TTYDEF_OFLAG; 348 tp->t_cflag = TTYDEF_CFLAG; 349 tp->t_lflag = TTYDEF_LFLAG; 350 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 351 scparam(tp, &tp->t_termios); 352 ttsetwater(tp); 353 } 354 else 355 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 356 return(EBUSY); 357 tp->t_state |= TS_CARR_ON; 358 tp->t_cflag |= CLOCAL; 359 if (!console[minor(dev)]) 360 console[minor(dev)] = alloc_scp(); 361 return((*linesw[tp->t_line].l_open)(dev, tp)); 362 } 363 364 int 365 scclose(dev_t dev, int flag, int mode, struct proc *p) 366 { 367 struct tty *tp = scdevtotty(dev); 368 struct scr_stat *scp; 369 370 if (!tp) 371 return(ENXIO); 372 if (minor(dev) < MAXCONS) { 373 scp = get_scr_stat(tp->t_dev); 374 if (scp->status & SWITCH_WAIT_ACQ) 375 wakeup((caddr_t)&scp->smode); 376 #if not_yet_done 377 if (scp == &main_console) { 378 scp->pid = 0; 379 scp->proc = NULL; 380 scp->smode.mode = VT_AUTO; 381 } 382 else { 383 free(scp->scr_buf, M_DEVBUF); 384 free(scp->history, M_DEVBUF); 385 free(scp, M_DEVBUF); 386 console[minor(dev)] = NULL; 387 } 388 #else 389 scp->pid = 0; 390 scp->proc = NULL; 391 scp->smode.mode = VT_AUTO; 392 #endif 393 } 394 (*linesw[tp->t_line].l_close)(tp, flag); 395 ttyclose(tp); 396 return(0); 397 } 398 399 int 400 scread(dev_t dev, struct uio *uio, int flag) 401 { 402 struct tty *tp = scdevtotty(dev); 403 404 if (!tp) 405 return(ENXIO); 406 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 407 } 408 409 int 410 scwrite(dev_t dev, struct uio *uio, int flag) 411 { 412 struct tty *tp = scdevtotty(dev); 413 414 if (!tp) 415 return(ENXIO); 416 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 417 } 418 419 void 420 scintr(int unit) 421 { 422 static struct tty *cur_tty; 423 int c, len; 424 u_char *cp; 425 426 /* make screensaver happy */ 427 scrn_time_stamp = time.tv_sec; 428 if (scrn_blanked) { 429 (*current_saver)(FALSE); 430 cur_console->start = 0; 431 cur_console->end = cur_console->xsize * cur_console->ysize; 432 } 433 434 c = scgetc(1); 435 436 cur_tty = VIRTUAL_TTY(get_scr_num()); 437 if (!(cur_tty->t_state & TS_ISOPEN)) 438 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 439 return; 440 441 switch (c & 0xff00) { 442 case 0x0000: /* normal key */ 443 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 444 break; 445 case NOKEY: /* nothing there */ 446 break; 447 case FKEY: /* function key, return string */ 448 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 449 while (len-- > 0) 450 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 451 } 452 break; 453 case MKEY: /* meta is active, prepend ESC */ 454 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 455 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 456 break; 457 case BKEY: /* backtab fixed sequence (esc [ Z) */ 458 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 459 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 460 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 461 break; 462 } 463 } 464 465 int 466 scparam(struct tty *tp, struct termios *t) 467 { 468 tp->t_ispeed = t->c_ispeed; 469 tp->t_ospeed = t->c_ospeed; 470 tp->t_cflag = t->c_cflag; 471 return 0; 472 } 473 474 int 475 scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 476 { 477 int i, error; 478 struct tty *tp; 479 struct trapframe *fp; 480 scr_stat *scp; 481 482 tp = scdevtotty(dev); 483 if (!tp) 484 return ENXIO; 485 scp = get_scr_stat(tp->t_dev); 486 487 switch (cmd) { /* process console hardware related ioctl's */ 488 489 case GIO_ATTR: /* get current attributes */ 490 *(int*)data = scp->term.cur_attr; 491 return 0; 492 493 case GIO_COLOR: /* is this a color console ? */ 494 if (crtc_addr == COLOR_BASE) 495 *(int*)data = 1; 496 else 497 *(int*)data = 0; 498 return 0; 499 500 case CONS_CURRENT: /* get current adapter type */ 501 if (crtc_vga) 502 *(int*)data = KD_VGA; 503 else 504 if (crtc_addr == MONO_BASE) 505 *(int*)data = KD_MONO; 506 else 507 *(int*)data = KD_CGA; 508 return 0; 509 510 case CONS_GET: /* get current video mode */ 511 *(int*)data = scp->mode; 512 return 0; 513 514 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 515 scrn_blank_time = *(int*)data; 516 return 0; 517 518 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 519 if ((*(int*)data) & 0x01) 520 configuration |= BLINK_CURSOR; 521 else 522 configuration &= ~BLINK_CURSOR; 523 if ((*(int*)data) & 0x02) { 524 configuration |= CHAR_CURSOR; 525 set_destructive_cursor(scp, TRUE); 526 } else 527 configuration &= ~CHAR_CURSOR; 528 return 0; 529 530 case CONS_BELLTYPE: /* set bell type sound/visual */ 531 if (*data) 532 configuration |= VISUAL_BELL; 533 else 534 configuration &= ~VISUAL_BELL; 535 return 0; 536 537 case CONS_HISTORY: /* set history size */ 538 if (*data) { 539 free(scp->history, M_DEVBUF); 540 scp->history_size = *(int*)data; 541 if (scp->history_size < scp->ysize) 542 scp->history = NULL; 543 else { 544 scp->history_size *= scp->xsize; 545 scp->history_head = scp->history_pos = scp->history = 546 (u_short *)malloc(scp->history_size*sizeof(u_short), 547 M_DEVBUF, M_NOWAIT); 548 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 549 } 550 return 0; 551 } 552 else 553 return EINVAL; 554 555 case CONS_MOUSECTL: /* control mouse arrow */ 556 { 557 mouse_info_t *mouse = (mouse_info_t*)data; 558 int fontsize; 559 560 switch (scp->font) { 561 default: 562 case FONT_8: 563 fontsize = 8; break; 564 case FONT_14: 565 fontsize = 14; break; 566 case FONT_16: 567 fontsize = 16; break; 568 } 569 switch (mouse->operation) { 570 case MOUSE_SHOW: 571 if (!(scp->status & MOUSE_ENABLED)) { 572 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf); 573 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED); 574 } 575 else 576 return EINVAL; 577 break; 578 579 case MOUSE_HIDE: 580 if (scp->status & MOUSE_ENABLED) { 581 scp->status &= ~MOUSE_ENABLED; 582 scp->status |= UPDATE_MOUSE; 583 } 584 else 585 return EINVAL; 586 break; 587 588 case MOUSE_MOVEABS: 589 scp->mouse_xpos = mouse->x; 590 scp->mouse_ypos = mouse->y; 591 goto set_mouse_pos; 592 593 case MOUSE_MOVEREL: 594 scp->mouse_xpos += mouse->x; 595 scp->mouse_ypos += mouse->y; 596 set_mouse_pos: 597 if (scp->mouse_xpos < 0) 598 scp->mouse_xpos = 0; 599 if (scp->mouse_ypos < 0) 600 scp->mouse_ypos = 0; 601 if (scp->mouse_xpos >= scp->xsize*8) 602 scp->mouse_xpos = (scp->xsize*8)-1; 603 if (scp->mouse_ypos >= scp->ysize*fontsize) 604 scp->mouse_ypos = (scp->ysize*fontsize)-1; 605 scp->mouse_pos = scp->scr_buf + 606 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8; 607 if (scp->status & MOUSE_ENABLED) 608 scp->status |= UPDATE_MOUSE; 609 break; 610 611 case MOUSE_GETPOS: 612 mouse->x = scp->mouse_xpos; 613 mouse->y = scp->mouse_ypos; 614 return 0; 615 616 default: 617 return EINVAL; 618 } 619 /* make screensaver happy */ 620 if (scp == cur_console) { 621 scrn_time_stamp = time.tv_sec; 622 if (scrn_blanked) { 623 (*current_saver)(FALSE); 624 cur_console->start = 0; 625 cur_console->end = cur_console->xsize * cur_console->ysize; 626 } 627 } 628 return 0; 629 } 630 631 case CONS_GETINFO: /* get current (virtual) console info */ 632 { 633 vid_info_t *ptr = (vid_info_t*)data; 634 if (ptr->size == sizeof(struct vid_info)) { 635 ptr->m_num = get_scr_num(); 636 ptr->mv_col = scp->xpos; 637 ptr->mv_row = scp->ypos; 638 ptr->mv_csz = scp->xsize; 639 ptr->mv_rsz = scp->ysize; 640 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 641 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 642 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 643 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 644 ptr->mv_grfc.fore = 0; /* not supported */ 645 ptr->mv_grfc.back = 0; /* not supported */ 646 ptr->mv_ovscan = scp->border; 647 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 648 return 0; 649 } 650 return EINVAL; 651 } 652 653 case CONS_GETVERS: /* get version number */ 654 *(int*)data = 0x200; /* version 2.0 */ 655 return 0; 656 657 /* VGA TEXT MODES */ 658 case SW_VGA_C40x25: 659 case SW_VGA_C80x25: case SW_VGA_M80x25: 660 case SW_VGA_C80x30: case SW_VGA_M80x30: 661 case SW_VGA_C80x50: case SW_VGA_M80x50: 662 case SW_VGA_C80x60: case SW_VGA_M80x60: 663 case SW_B40x25: case SW_C40x25: 664 case SW_B80x25: case SW_C80x25: 665 case SW_ENH_B40x25: case SW_ENH_C40x25: 666 case SW_ENH_B80x25: case SW_ENH_C80x25: 667 case SW_ENH_B80x43: case SW_ENH_C80x43: 668 669 if (!crtc_vga || video_mode_ptr == NULL) 670 return ENXIO; 671 switch (cmd & 0xff) { 672 case M_VGA_C80x60: case M_VGA_M80x60: 673 if (!(fonts_loaded & FONT_8)) 674 return EINVAL; 675 scp->xsize = 80; 676 scp->ysize = 60; 677 break; 678 case M_VGA_C80x50: case M_VGA_M80x50: 679 if (!(fonts_loaded & FONT_8)) 680 return EINVAL; 681 scp->xsize = 80; 682 scp->ysize = 50; 683 break; 684 case M_ENH_B80x43: case M_ENH_C80x43: 685 if (!(fonts_loaded & FONT_8)) 686 return EINVAL; 687 scp->xsize = 80; 688 scp->ysize = 43; 689 break; 690 case M_VGA_C80x30: case M_VGA_M80x30: 691 scp->xsize = 80; 692 scp->ysize = 30; 693 break; 694 default: 695 if ((cmd & 0xff) > M_VGA_CG320) 696 return EINVAL; 697 else 698 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 699 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 700 break; 701 } 702 scp->mode = cmd & 0xff; 703 scp->status &= ~UNKNOWN_MODE; /* text mode */ 704 free(scp->scr_buf, M_DEVBUF); 705 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 706 M_DEVBUF, M_NOWAIT); 707 if (scp == cur_console) 708 set_mode(scp); 709 clear_screen(scp); 710 if (tp->t_winsize.ws_col != scp->xsize 711 || tp->t_winsize.ws_row != scp->ysize) { 712 tp->t_winsize.ws_col = scp->xsize; 713 tp->t_winsize.ws_row = scp->ysize; 714 pgsignal(tp->t_pgrp, SIGWINCH, 1); 715 } 716 return 0; 717 718 /* GRAPHICS MODES */ 719 case SW_BG320: case SW_BG640: 720 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 721 case SW_CG640x350: case SW_ENH_CG640: 722 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 723 724 if (!crtc_vga || video_mode_ptr == NULL) 725 return ENXIO; 726 scp->mode = cmd & 0xFF; 727 scp->status |= UNKNOWN_MODE; /* graphics mode */ 728 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; 729 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 730 (*(video_mode_ptr + (scp->mode*64) + 2)); 731 set_mode(scp); 732 /* clear_graphics();*/ 733 734 if (tp->t_winsize.ws_xpixel != scp->xsize 735 || tp->t_winsize.ws_ypixel != scp->ysize) { 736 tp->t_winsize.ws_xpixel = scp->xsize; 737 tp->t_winsize.ws_ypixel = scp->ysize; 738 pgsignal(tp->t_pgrp, SIGWINCH, 1); 739 } 740 return 0; 741 742 case VT_SETMODE: /* set screen switcher mode */ 743 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 744 if (scp->smode.mode == VT_PROCESS) { 745 scp->proc = p; 746 scp->pid = scp->proc->p_pid; 747 } 748 return 0; 749 750 case VT_GETMODE: /* get screen switcher mode */ 751 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 752 return 0; 753 754 case VT_RELDISP: /* screen switcher ioctl */ 755 switch(*data) { 756 case VT_FALSE: /* user refuses to release screen, abort */ 757 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 758 old_scp->status &= ~SWITCH_WAIT_REL; 759 switch_in_progress = FALSE; 760 return 0; 761 } 762 return EINVAL; 763 764 case VT_TRUE: /* user has released screen, go on */ 765 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 766 scp->status &= ~SWITCH_WAIT_REL; 767 exchange_scr(); 768 if (new_scp->smode.mode == VT_PROCESS) { 769 new_scp->status |= SWITCH_WAIT_ACQ; 770 psignal(new_scp->proc, new_scp->smode.acqsig); 771 } 772 else 773 switch_in_progress = FALSE; 774 return 0; 775 } 776 return EINVAL; 777 778 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 779 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 780 scp->status &= ~SWITCH_WAIT_ACQ; 781 switch_in_progress = FALSE; 782 return 0; 783 } 784 return EINVAL; 785 786 default: 787 return EINVAL; 788 } 789 /* NOT REACHED */ 790 791 case VT_OPENQRY: /* return free virtual console */ 792 for (i = 0; i < MAXCONS; i++) { 793 tp = VIRTUAL_TTY(i); 794 if (!(tp->t_state & TS_ISOPEN)) { 795 *data = i + 1; 796 return 0; 797 } 798 } 799 return EINVAL; 800 801 case VT_ACTIVATE: /* switch to screen *data */ 802 return switch_scr(scp, (*data) - 1); 803 804 case VT_WAITACTIVE: /* wait for switch to occur */ 805 if (*data > MAXCONS || *data < 0) 806 return EINVAL; 807 if (minor(dev) == (*data) - 1) 808 return 0; 809 if (*data == 0) { 810 if (scp == cur_console) 811 return 0; 812 } 813 else 814 scp = console[(*data) - 1]; 815 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 816 "waitvt", 0)) == ERESTART) ; 817 return error; 818 819 case VT_GETACTIVE: 820 *data = get_scr_num()+1; 821 return 0; 822 823 case KDENABIO: /* allow io operations */ 824 fp = (struct trapframe *)p->p_md.md_regs; 825 fp->tf_eflags |= PSL_IOPL; 826 return 0; 827 828 case KDDISABIO: /* disallow io operations (default) */ 829 fp = (struct trapframe *)p->p_md.md_regs; 830 fp->tf_eflags &= ~PSL_IOPL; 831 return 0; 832 833 case KDSETMODE: /* set current mode of this (virtual) console */ 834 switch (*data) { 835 case KD_TEXT: /* switch to TEXT (known) mode */ 836 /* restore fonts & palette ! */ 837 if (crtc_vga) { 838 if (fonts_loaded & FONT_8) 839 copy_font(LOAD, FONT_8, font_8); 840 if (fonts_loaded & FONT_14) 841 copy_font(LOAD, FONT_14, font_14); 842 if (fonts_loaded & FONT_16) 843 copy_font(LOAD, FONT_16, font_16); 844 load_palette(); 845 } 846 /* FALL THROUGH */ 847 848 case KD_TEXT1: /* switch to TEXT (known) mode */ 849 /* no restore fonts & palette */ 850 scp->status &= ~UNKNOWN_MODE; 851 if (crtc_vga && video_mode_ptr) 852 set_mode(scp); 853 clear_screen(scp); 854 return 0; 855 856 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 857 scp->status |= UNKNOWN_MODE; 858 return 0; 859 default: 860 return EINVAL; 861 } 862 /* NOT REACHED */ 863 864 case KDGETMODE: /* get current mode of this (virtual) console */ 865 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 866 return 0; 867 868 case KDSBORDER: /* set border color of this (virtual) console */ 869 if (!crtc_vga) 870 return ENXIO; 871 scp->border = *data; 872 if (scp == cur_console) 873 set_border(scp->border); 874 return 0; 875 876 case KDSKBSTATE: /* set keyboard state (locks) */ 877 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 878 scp->status &= ~LOCK_KEY_MASK; 879 scp->status |= *data; 880 if (scp == cur_console) 881 update_leds(scp->status); 882 return 0; 883 } 884 return EINVAL; 885 886 case KDGKBSTATE: /* get keyboard state (locks) */ 887 *data = scp->status & LOCK_KEY_MASK; 888 return 0; 889 890 case KDSETRAD: /* set keyboard repeat & delay rates */ 891 if (*data & 0x80) 892 return EINVAL; 893 i = spltty(); 894 kbd_cmd(KB_SETRAD); 895 kbd_cmd(*data); 896 splx(i); 897 return 0; 898 899 case KDSKBMODE: /* set keyboard mode */ 900 switch (*data) { 901 case K_RAW: /* switch to RAW scancode mode */ 902 scp->status |= KBD_RAW_MODE; 903 return 0; 904 905 case K_XLATE: /* switch to XLT ascii mode */ 906 if (scp == cur_console && scp->status == KBD_RAW_MODE) 907 shfts = ctls = alts = agrs = metas = 0; 908 scp->status &= ~KBD_RAW_MODE; 909 return 0; 910 default: 911 return EINVAL; 912 } 913 /* NOT REACHED */ 914 915 case KDGKBMODE: /* get keyboard mode */ 916 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 917 return 0; 918 919 case KDMKTONE: /* sound the bell */ 920 if (*(int*)data) 921 do_bell(scp, (*(int*)data)&0xffff, 922 (((*(int*)data)>>16)&0xffff)*hz/1000); 923 else 924 do_bell(scp, scp->bell_pitch, scp->bell_duration); 925 return 0; 926 927 case KIOCSOUND: /* make tone (*data) hz */ 928 if (scp == cur_console) { 929 if (*(int*)data) { 930 int pitch = TIMER_FREQ/(*(int*)data); 931 932 /* set command for counter 2, 2 byte write */ 933 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 934 return EBUSY; 935 936 /* set pitch */ 937 outb(TIMER_CNTR2, pitch); 938 outb(TIMER_CNTR2, (pitch>>8)); 939 940 /* enable counter 2 output to speaker */ 941 outb(IO_PPI, inb(IO_PPI) | 3); 942 } 943 else { 944 /* disable counter 2 output to speaker */ 945 outb(IO_PPI, inb(IO_PPI) & 0xFC); 946 release_timer2(); 947 } 948 } 949 return 0; 950 951 case KDGKBTYPE: /* get keyboard type */ 952 *data = 0; /* type not known (yet) */ 953 return 0; 954 955 case KDSETLED: /* set keyboard LED status */ 956 if (*data >= 0 && *data <= LED_MASK) { 957 scp->status &= ~LED_MASK; 958 scp->status |= *data; 959 if (scp == cur_console) 960 update_leds(scp->status); 961 return 0; 962 } 963 return EINVAL; 964 965 case KDGETLED: /* get keyboard LED status */ 966 *data = scp->status & LED_MASK; 967 return 0; 968 969 case GETFKEY: /* get functionkey string */ 970 if (*(u_short*)data < n_fkey_tab) { 971 fkeyarg_t *ptr = (fkeyarg_t*)data; 972 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 973 fkey_tab[ptr->keynum].len); 974 ptr->flen = fkey_tab[ptr->keynum].len; 975 return 0; 976 } 977 else 978 return EINVAL; 979 980 case SETFKEY: /* set functionkey string */ 981 if (*(u_short*)data < n_fkey_tab) { 982 fkeyarg_t *ptr = (fkeyarg_t*)data; 983 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 984 min(ptr->flen, MAXFK)); 985 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 986 return 0; 987 } 988 else 989 return EINVAL; 990 991 case GIO_SCRNMAP: /* get output translation table */ 992 bcopy(&scr_map, data, sizeof(scr_map)); 993 return 0; 994 995 case PIO_SCRNMAP: /* set output translation table */ 996 bcopy(data, &scr_map, sizeof(scr_map)); 997 return 0; 998 999 case GIO_KEYMAP: /* get keyboard translation table */ 1000 bcopy(&key_map, data, sizeof(key_map)); 1001 return 0; 1002 1003 case PIO_KEYMAP: /* set keyboard translation table */ 1004 bcopy(data, &key_map, sizeof(key_map)); 1005 return 0; 1006 1007 case PIO_FONT8x8: /* set 8x8 dot font */ 1008 if (!crtc_vga) 1009 return ENXIO; 1010 bcopy(data, font_8, 8*256); 1011 fonts_loaded |= FONT_8; 1012 copy_font(LOAD, FONT_8, font_8); 1013 if (configuration & CHAR_CURSOR) 1014 set_destructive_cursor(scp, TRUE); 1015 return 0; 1016 1017 case GIO_FONT8x8: /* get 8x8 dot font */ 1018 if (!crtc_vga) 1019 return ENXIO; 1020 if (fonts_loaded & FONT_8) { 1021 bcopy(font_8, data, 8*256); 1022 return 0; 1023 } 1024 else 1025 return ENXIO; 1026 1027 case PIO_FONT8x14: /* set 8x14 dot font */ 1028 if (!crtc_vga) 1029 return ENXIO; 1030 bcopy(data, font_14, 14*256); 1031 fonts_loaded |= FONT_14; 1032 copy_font(LOAD, FONT_14, font_14); 1033 if (configuration & CHAR_CURSOR) 1034 set_destructive_cursor(scp, TRUE); 1035 return 0; 1036 1037 case GIO_FONT8x14: /* get 8x14 dot font */ 1038 if (!crtc_vga) 1039 return ENXIO; 1040 if (fonts_loaded & FONT_14) { 1041 bcopy(font_14, data, 14*256); 1042 return 0; 1043 } 1044 else 1045 return ENXIO; 1046 1047 case PIO_FONT8x16: /* set 8x16 dot font */ 1048 if (!crtc_vga) 1049 return ENXIO; 1050 bcopy(data, font_16, 16*256); 1051 fonts_loaded |= FONT_16; 1052 copy_font(LOAD, FONT_16, font_16); 1053 if (configuration & CHAR_CURSOR) 1054 set_destructive_cursor(scp, TRUE); 1055 return 0; 1056 1057 case GIO_FONT8x16: /* get 8x16 dot font */ 1058 if (!crtc_vga) 1059 return ENXIO; 1060 if (fonts_loaded & FONT_16) { 1061 bcopy(font_16, data, 16*256); 1062 return 0; 1063 } 1064 else 1065 return ENXIO; 1066 default: 1067 break; 1068 } 1069 1070 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1071 if (error >= 0) 1072 return(error); 1073 error = ttioctl(tp, cmd, data, flag); 1074 if (error >= 0) 1075 return(error); 1076 return(ENOTTY); 1077 } 1078 1079 void 1080 scxint(dev_t dev) 1081 { 1082 struct tty *tp = scdevtotty(dev); 1083 1084 if (!tp) 1085 return; 1086 tp->t_state &= ~TS_BUSY; 1087 if (tp->t_line) 1088 (*linesw[tp->t_line].l_start)(tp); 1089 else 1090 scstart(tp); 1091 } 1092 1093 void 1094 scstart(struct tty *tp) 1095 { 1096 struct clist *rbp; 1097 int i, s, len; 1098 u_char buf[PCBURST]; 1099 scr_stat *scp = get_scr_stat(tp->t_dev); 1100 1101 if (scp->status & SLKED || blink_in_progress) 1102 return; 1103 s = spltty(); 1104 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1105 tp->t_state |= TS_BUSY; 1106 splx(s); 1107 rbp = &tp->t_outq; 1108 while (rbp->c_cc) { 1109 len = q_to_b(rbp, buf, PCBURST); 1110 ansi_put(scp, buf, len); 1111 } 1112 s = spltty(); 1113 tp->t_state &= ~TS_BUSY; 1114 if (rbp->c_cc <= tp->t_lowat) { 1115 if (tp->t_state & TS_ASLEEP) { 1116 tp->t_state &= ~TS_ASLEEP; 1117 wakeup((caddr_t)rbp); 1118 } 1119 selwakeup(&tp->t_wsel); 1120 } 1121 } 1122 splx(s); 1123 } 1124 1125 void 1126 pccnprobe(struct consdev *cp) 1127 { 1128 int maj; 1129 1130 /* locate the major number */ 1131 for (maj = 0; maj < nchrdev; maj++) 1132 if ((void*)cdevsw[maj].d_open == (void*)scopen) 1133 break; 1134 1135 /* initialize required fields */ 1136 cp->cn_dev = makedev(maj, MAXCONS); 1137 cp->cn_pri = CN_INTERNAL; 1138 } 1139 1140 void 1141 pccninit(struct consdev *cp) 1142 { 1143 scinit(); 1144 } 1145 1146 void 1147 pccnputc(dev_t dev, char c) 1148 { 1149 scr_stat *scp = console[0]; 1150 term_stat save = scp->term; 1151 1152 scp->term = kernel_console; 1153 current_default = &kernel_default; 1154 if (scp->scr_buf == Crtat) 1155 draw_cursor(scp, FALSE); 1156 if (c == '\n') 1157 ansi_put(scp, "\r\n", 2); 1158 else 1159 ansi_put(scp, &c, 1); 1160 kernel_console = scp->term; 1161 current_default = &user_default; 1162 scp->term = save; 1163 if (scp == cur_console /* && scrn_timer not running */) { 1164 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1165 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1166 (1 + scp->end - scp->start) * sizeof(u_short)); 1167 scp->start = scp->xsize * scp->ysize; 1168 scp->end = 0; 1169 scp->status &= ~CURSOR_SHOWN; 1170 } 1171 draw_cursor(scp, TRUE); 1172 } 1173 } 1174 1175 int 1176 pccngetc(dev_t dev) 1177 { 1178 int s = spltty(); /* block scintr while we poll */ 1179 int c = scgetc(0); 1180 splx(s); 1181 return(c); 1182 } 1183 1184 int 1185 pccncheckc(dev_t dev) 1186 { 1187 return (scgetc(1) & 0xff); 1188 } 1189 1190 static void 1191 scrn_timer() 1192 { 1193 static int cursor_blinkrate; 1194 scr_stat *scp = cur_console; 1195 1196 /* should we just return ? */ 1197 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1198 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1199 return; 1200 } 1201 1202 if (!scrn_blanked) { 1203 /* update screen image */ 1204 if (scp->start <= scp->end) { 1205 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1206 (1 + scp->end - scp->start) * sizeof(u_short)); 1207 scp->status &= ~CURSOR_SHOWN; 1208 scp->start = scp->xsize * scp->ysize; 1209 scp->end = 0; 1210 } 1211 /* update "pseudo" mouse arrow */ 1212 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE)) 1213 draw_mouse_image(scp); 1214 1215 /* update cursor image */ 1216 if (scp->status & CURSOR_ENABLED) 1217 draw_cursor(scp, 1218 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1219 } 1220 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1221 (*current_saver)(TRUE); 1222 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1223 } 1224 1225 static void 1226 clear_screen(scr_stat *scp) 1227 { 1228 move_crsr(scp, 0, 0); 1229 fillw(scp->term.cur_attr | scr_map[0x20], scp->scr_buf, 1230 scp->xsize * scp->ysize); 1231 mark_all(scp); 1232 } 1233 1234 static int 1235 switch_scr(scr_stat *scp, u_int next_scr) 1236 { 1237 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1238 switch_in_progress = FALSE; 1239 1240 if (next_scr >= MAXCONS || switch_in_progress || 1241 (cur_console->smode.mode == VT_AUTO 1242 && cur_console->status & UNKNOWN_MODE)) { 1243 do_bell(scp, BELL_PITCH, BELL_DURATION); 1244 return EINVAL; 1245 } 1246 1247 /* is the wanted virtual console open ? */ 1248 if (next_scr) { 1249 struct tty *tp = VIRTUAL_TTY(next_scr); 1250 if (!(tp->t_state & TS_ISOPEN)) { 1251 do_bell(scp, BELL_PITCH, BELL_DURATION); 1252 return EINVAL; 1253 } 1254 } 1255 /* delay switch if actively updating screen */ 1256 if (write_in_progress || blink_in_progress) { 1257 delayed_next_scr = next_scr+1; 1258 return 0; 1259 } 1260 switch_in_progress = TRUE; 1261 old_scp = cur_console; 1262 new_scp = console[next_scr]; 1263 wakeup((caddr_t)&new_scp->smode); 1264 if (new_scp == old_scp) { 1265 switch_in_progress = FALSE; 1266 delayed_next_scr = FALSE; 1267 return 0; 1268 } 1269 1270 /* has controlling process died? */ 1271 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1272 old_scp->smode.mode = VT_AUTO; 1273 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1274 new_scp->smode.mode = VT_AUTO; 1275 1276 /* check the modes and switch approbiatly */ 1277 if (old_scp->smode.mode == VT_PROCESS) { 1278 old_scp->status |= SWITCH_WAIT_REL; 1279 psignal(old_scp->proc, old_scp->smode.relsig); 1280 } 1281 else { 1282 exchange_scr(); 1283 if (new_scp->smode.mode == VT_PROCESS) { 1284 new_scp->status |= SWITCH_WAIT_ACQ; 1285 psignal(new_scp->proc, new_scp->smode.acqsig); 1286 } 1287 else 1288 switch_in_progress = FALSE; 1289 } 1290 return 0; 1291 } 1292 1293 static void 1294 exchange_scr(void) 1295 { 1296 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1297 cur_console = new_scp; 1298 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1299 if (crtc_vga && video_mode_ptr) 1300 set_mode(new_scp); 1301 } 1302 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1303 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1304 if (fonts_loaded & FONT_8) 1305 copy_font(LOAD, FONT_8, font_8); 1306 if (fonts_loaded & FONT_14) 1307 copy_font(LOAD, FONT_14, font_14); 1308 if (fonts_loaded & FONT_16) 1309 copy_font(LOAD, FONT_16, font_16); 1310 load_palette(); 1311 } 1312 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1313 shfts = ctls = alts = agrs = metas = 0; 1314 update_leds(new_scp->status); 1315 delayed_next_scr = FALSE; 1316 bcopyw(new_scp->scr_buf, Crtat, 1317 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1318 new_scp->status &= ~CURSOR_SHOWN; 1319 } 1320 1321 static inline void 1322 move_crsr(scr_stat *scp, int x, int y) 1323 { 1324 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1325 return; 1326 scp->xpos = x; 1327 scp->ypos = y; 1328 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1329 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 1330 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1331 } 1332 1333 static void 1334 scan_esc(scr_stat *scp, u_char c) 1335 { 1336 static u_char ansi_col[16] = 1337 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1338 int i, n; 1339 u_short *src, *dst, count; 1340 1341 if (scp->term.esc == 1) { 1342 switch (c) { 1343 1344 case '[': /* Start ESC [ sequence */ 1345 scp->term.esc = 2; 1346 scp->term.last_param = -1; 1347 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1348 scp->term.param[i] = 1; 1349 scp->term.num_param = 0; 1350 return; 1351 1352 case 'M': /* Move cursor up 1 line, scroll if at top */ 1353 if (scp->ypos > 0) 1354 move_crsr(scp, scp->xpos, scp->ypos - 1); 1355 else { 1356 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1357 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1358 fillw(scp->term.cur_attr | scr_map[0x20], 1359 scp->scr_buf, scp->xsize); 1360 mark_all(scp); 1361 } 1362 break; 1363 #if notyet 1364 case 'Q': 1365 scp->term.esc = 4; 1366 break; 1367 #endif 1368 case 'c': /* Clear screen & home */ 1369 clear_screen(scp); 1370 break; 1371 } 1372 } 1373 else if (scp->term.esc == 2) { 1374 if (c >= '0' && c <= '9') { 1375 if (scp->term.num_param < MAX_ESC_PAR) { 1376 if (scp->term.last_param != scp->term.num_param) { 1377 scp->term.last_param = scp->term.num_param; 1378 scp->term.param[scp->term.num_param] = 0; 1379 } 1380 else 1381 scp->term.param[scp->term.num_param] *= 10; 1382 scp->term.param[scp->term.num_param] += c - '0'; 1383 return; 1384 } 1385 } 1386 scp->term.num_param = scp->term.last_param + 1; 1387 switch (c) { 1388 1389 case ';': 1390 if (scp->term.num_param < MAX_ESC_PAR) 1391 return; 1392 break; 1393 1394 case '=': 1395 scp->term.esc = 3; 1396 scp->term.last_param = -1; 1397 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1398 scp->term.param[i] = 1; 1399 scp->term.num_param = 0; 1400 return; 1401 1402 case 'A': /* up n rows */ 1403 n = scp->term.param[0]; if (n < 1) n = 1; 1404 move_crsr(scp, scp->xpos, scp->ypos - n); 1405 break; 1406 1407 case 'B': /* down n rows */ 1408 n = scp->term.param[0]; if (n < 1) n = 1; 1409 move_crsr(scp, scp->xpos, scp->ypos + n); 1410 break; 1411 1412 case 'C': /* right n columns */ 1413 n = scp->term.param[0]; if (n < 1) n = 1; 1414 move_crsr(scp, scp->xpos + n, scp->ypos); 1415 break; 1416 1417 case 'D': /* left n columns */ 1418 n = scp->term.param[0]; if (n < 1) n = 1; 1419 move_crsr(scp, scp->xpos - n, scp->ypos); 1420 break; 1421 1422 case 'E': /* cursor to start of line n lines down */ 1423 n = scp->term.param[0]; if (n < 1) n = 1; 1424 move_crsr(scp, 0, scp->ypos + n); 1425 break; 1426 1427 case 'F': /* cursor to start of line n lines up */ 1428 n = scp->term.param[0]; if (n < 1) n = 1; 1429 move_crsr(scp, 0, scp->ypos - n); 1430 break; 1431 1432 case 'f': /* Cursor move */ 1433 case 'H': 1434 if (scp->term.num_param == 0) 1435 move_crsr(scp, 0, 0); 1436 else if (scp->term.num_param == 2) 1437 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1438 break; 1439 1440 case 'J': /* Clear all or part of display */ 1441 if (scp->term.num_param == 0) 1442 n = 0; 1443 else 1444 n = scp->term.param[0]; 1445 switch (n) { 1446 case 0: /* clear form cursor to end of display */ 1447 fillw(scp->term.cur_attr | scr_map[0x20], 1448 scp->cursor_pos, 1449 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1450 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1451 mark_for_update(scp, scp->xsize * scp->ysize); 1452 break; 1453 case 1: /* clear from beginning of display to cursor */ 1454 fillw(scp->term.cur_attr | scr_map[0x20], 1455 scp->scr_buf, 1456 scp->cursor_pos - scp->scr_buf); 1457 mark_for_update(scp, 0); 1458 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1459 break; 1460 case 2: /* clear entire display */ 1461 clear_screen(scp); 1462 break; 1463 } 1464 break; 1465 1466 case 'K': /* Clear all or part of line */ 1467 if (scp->term.num_param == 0) 1468 n = 0; 1469 else 1470 n = scp->term.param[0]; 1471 switch (n) { 1472 case 0: /* clear form cursor to end of line */ 1473 fillw(scp->term.cur_attr | scr_map[0x20], 1474 scp->cursor_pos, 1475 scp->xsize - scp->xpos); 1476 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1477 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1478 scp->xsize - scp->xpos); 1479 break; 1480 case 1: /* clear from beginning of line to cursor */ 1481 fillw(scp->term.cur_attr|scr_map[0x20], 1482 scp->cursor_pos - (scp->xsize - scp->xpos), 1483 (scp->xsize - scp->xpos) + 1); 1484 mark_for_update(scp, scp->ypos * scp->xsize); 1485 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1486 break; 1487 case 2: /* clear entire line */ 1488 fillw(scp->term.cur_attr|scr_map[0x20], 1489 scp->cursor_pos - (scp->xsize - scp->xpos), 1490 scp->xsize); 1491 mark_for_update(scp, scp->ypos * scp->xsize); 1492 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1493 break; 1494 } 1495 break; 1496 1497 case 'L': /* Insert n lines */ 1498 n = scp->term.param[0]; if (n < 1) n = 1; 1499 if (n > scp->ysize - scp->ypos) 1500 n = scp->ysize - scp->ypos; 1501 src = scp->scr_buf + scp->ypos * scp->xsize; 1502 dst = src + n * scp->xsize; 1503 count = scp->ysize - (scp->ypos + n); 1504 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1505 fillw(scp->term.cur_attr | scr_map[0x20], src, 1506 n * scp->xsize); 1507 mark_for_update(scp, scp->ypos * scp->xsize); 1508 mark_for_update(scp, scp->xsize * scp->ysize); 1509 break; 1510 1511 case 'M': /* Delete n lines */ 1512 n = scp->term.param[0]; if (n < 1) n = 1; 1513 if (n > scp->ysize - scp->ypos) 1514 n = scp->ysize - scp->ypos; 1515 dst = scp->scr_buf + scp->ypos * scp->xsize; 1516 src = dst + n * scp->xsize; 1517 count = scp->ysize - (scp->ypos + n); 1518 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1519 src = dst + count * scp->xsize; 1520 fillw(scp->term.cur_attr | scr_map[0x20], src, 1521 n * scp->xsize); 1522 mark_for_update(scp, scp->ypos * scp->xsize); 1523 mark_for_update(scp, scp->xsize * scp->ysize); 1524 break; 1525 1526 case 'P': /* Delete n chars */ 1527 n = scp->term.param[0]; if (n < 1) n = 1; 1528 if (n > scp->xsize - scp->xpos) 1529 n = scp->xsize - scp->xpos; 1530 dst = scp->cursor_pos; 1531 src = dst + n; 1532 count = scp->xsize - (scp->xpos + n); 1533 bcopyw(src, dst, count * sizeof(u_short)); 1534 src = dst + count; 1535 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1536 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1537 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1538 break; 1539 1540 case '@': /* Insert n chars */ 1541 n = scp->term.param[0]; if (n < 1) n = 1; 1542 if (n > scp->xsize - scp->xpos) 1543 n = scp->xsize - scp->xpos; 1544 src = scp->cursor_pos; 1545 dst = src + n; 1546 count = scp->xsize - (scp->xpos + n); 1547 bcopyw(src, dst, count * sizeof(u_short)); 1548 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1549 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1550 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1551 break; 1552 1553 case 'S': /* scroll up n lines */ 1554 n = scp->term.param[0]; if (n < 1) n = 1; 1555 if (n > scp->ysize) 1556 n = scp->ysize; 1557 bcopyw(scp->scr_buf + (scp->xsize * n), 1558 scp->scr_buf, 1559 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1560 fillw(scp->term.cur_attr | scr_map[0x20], 1561 scp->scr_buf + scp->xsize * (scp->ysize - n), 1562 scp->xsize * n); 1563 mark_all(scp); 1564 break; 1565 1566 case 'T': /* scroll down n lines */ 1567 n = scp->term.param[0]; if (n < 1) n = 1; 1568 if (n > scp->ysize) 1569 n = scp->ysize; 1570 bcopyw(scp->scr_buf, 1571 scp->scr_buf + (scp->xsize * n), 1572 scp->xsize * (scp->ysize - n) * 1573 sizeof(u_short)); 1574 fillw(scp->term.cur_attr | scr_map[0x20], 1575 scp->scr_buf, scp->xsize * n); 1576 mark_all(scp); 1577 break; 1578 1579 case 'X': /* erase n characters in line */ 1580 n = scp->term.param[0]; if (n < 1) n = 1; 1581 if (n > scp->xsize - scp->xpos) 1582 n = scp->xsize - scp->xpos; 1583 fillw(scp->term.cur_attr | scr_map[0x20], 1584 scp->scr_buf + scp->xpos + 1585 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1586 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1587 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1588 break; 1589 1590 case 'Z': /* move n tabs backwards */ 1591 n = scp->term.param[0]; if (n < 1) n = 1; 1592 if ((i = scp->xpos & 0xf8) == scp->xpos) 1593 i -= 8*n; 1594 else 1595 i -= 8*(n-1); 1596 if (i < 0) 1597 i = 0; 1598 move_crsr(scp, i, scp->ypos); 1599 break; 1600 1601 case '`': /* move cursor to column n */ 1602 n = scp->term.param[0]; if (n < 1) n = 1; 1603 move_crsr(scp, n - 1, scp->ypos); 1604 break; 1605 1606 case 'a': /* move cursor n columns to the right */ 1607 n = scp->term.param[0]; if (n < 1) n = 1; 1608 move_crsr(scp, scp->xpos + n, scp->ypos); 1609 break; 1610 1611 case 'd': /* move cursor to row n */ 1612 n = scp->term.param[0]; if (n < 1) n = 1; 1613 move_crsr(scp, scp->xpos, n - 1); 1614 break; 1615 1616 case 'e': /* move cursor n rows down */ 1617 n = scp->term.param[0]; if (n < 1) n = 1; 1618 move_crsr(scp, scp->xpos, scp->ypos + n); 1619 break; 1620 1621 case 'm': /* change attribute */ 1622 if (scp->term.num_param == 0) { 1623 scp->term.cur_attr = scp->term.std_attr; 1624 break; 1625 } 1626 for (i = 0; i < scp->term.num_param; i++) { 1627 switch (n = scp->term.param[i]) { 1628 case 0: /* back to normal */ 1629 scp->term.cur_attr = scp->term.std_attr; 1630 break; 1631 case 1: /* highlight (bold) */ 1632 scp->term.cur_attr &= 0xFF00; 1633 scp->term.cur_attr |= 0x0800; 1634 break; 1635 case 4: /* highlight (underline) */ 1636 scp->term.cur_attr &= 0xFF00; 1637 scp->term.cur_attr |= 0x0800; 1638 break; 1639 case 5: /* blink */ 1640 scp->term.cur_attr &= 0xFF00; 1641 scp->term.cur_attr |= 0x8000; 1642 break; 1643 case 7: /* reverse video */ 1644 scp->term.cur_attr = scp->term.rev_attr; 1645 break; 1646 case 30: case 31: /* set fg color */ 1647 case 32: case 33: case 34: 1648 case 35: case 36: case 37: 1649 scp->term.cur_attr = 1650 (scp->term.cur_attr&0xF8FF) | (ansi_col[(n-30)&7]<<8); 1651 break; 1652 case 40: case 41: /* set bg color */ 1653 case 42: case 43: case 44: 1654 case 45: case 46: case 47: 1655 scp->term.cur_attr = 1656 (scp->term.cur_attr&0x8FFF) | (ansi_col[(n-40)&7]<<12); 1657 break; 1658 } 1659 } 1660 break; 1661 1662 case 'x': 1663 if (scp->term.num_param == 0) 1664 n = 0; 1665 else 1666 n = scp->term.param[0]; 1667 switch (n) { 1668 case 0: /* reset attributes */ 1669 scp->term.cur_attr = scp->term.std_attr = 1670 current_default->std_attr; 1671 scp->term.rev_attr = current_default->rev_attr; 1672 break; 1673 case 1: /* set ansi background */ 1674 scp->term.cur_attr = scp->term.std_attr = 1675 (scp->term.std_attr & 0x0F00) | 1676 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1677 break; 1678 case 2: /* set ansi foreground */ 1679 scp->term.cur_attr = scp->term.std_attr = 1680 (scp->term.std_attr & 0xF000) | 1681 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1682 break; 1683 case 3: /* set ansi attribute directly */ 1684 scp->term.cur_attr = scp->term.std_attr = 1685 (scp->term.param[1]&0xFF)<<8; 1686 break; 1687 case 5: /* set ansi reverse video background */ 1688 scp->term.rev_attr = 1689 (scp->term.rev_attr & 0x0F00) | 1690 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1691 break; 1692 case 6: /* set ansi reverse video foreground */ 1693 scp->term.rev_attr = 1694 (scp->term.rev_attr & 0xF000) | 1695 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1696 break; 1697 case 7: /* set ansi reverse video directly */ 1698 scp->term.rev_attr = 1699 (scp->term.param[1]&0xFF)<<8; 1700 break; 1701 } 1702 break; 1703 1704 case 'z': /* switch to (virtual) console n */ 1705 if (scp->term.num_param == 1) 1706 switch_scr(scp, scp->term.param[0]); 1707 break; 1708 } 1709 } 1710 else if (scp->term.esc == 3) { 1711 if (c >= '0' && c <= '9') { 1712 if (scp->term.num_param < MAX_ESC_PAR) { 1713 if (scp->term.last_param != scp->term.num_param) { 1714 scp->term.last_param = scp->term.num_param; 1715 scp->term.param[scp->term.num_param] = 0; 1716 } 1717 else 1718 scp->term.param[scp->term.num_param] *= 10; 1719 scp->term.param[scp->term.num_param] += c - '0'; 1720 return; 1721 } 1722 } 1723 scp->term.num_param = scp->term.last_param + 1; 1724 switch (c) { 1725 1726 case ';': 1727 if (scp->term.num_param < MAX_ESC_PAR) 1728 return; 1729 break; 1730 1731 case 'A': /* set display border color */ 1732 if (scp->term.num_param == 1) 1733 scp->border=scp->term.param[0] & 0xff; 1734 if (scp == cur_console) 1735 set_border(scp->border); 1736 break; 1737 1738 case 'B': /* set bell pitch and duration */ 1739 if (scp->term.num_param == 2) { 1740 scp->bell_pitch = scp->term.param[0]; 1741 scp->bell_duration = scp->term.param[1]*10; 1742 } 1743 break; 1744 1745 case 'C': /* set cursor type & shape */ 1746 if (scp->term.num_param == 1) { 1747 if (scp->term.param[0] & 0x01) 1748 configuration |= BLINK_CURSOR; 1749 else 1750 configuration &= ~BLINK_CURSOR; 1751 if (scp->term.param[0] & 0x02) { 1752 configuration |= CHAR_CURSOR; 1753 set_destructive_cursor(scp, TRUE); 1754 } else 1755 configuration &= ~CHAR_CURSOR; 1756 } 1757 else if (scp->term.num_param == 2) { 1758 scp->cursor_start = scp->term.param[0] & 0x1F; 1759 scp->cursor_end = scp->term.param[1] & 0x1F; 1760 if (configuration & CHAR_CURSOR) 1761 set_destructive_cursor(scp, TRUE); 1762 } 1763 break; 1764 1765 case 'F': /* set ansi foreground */ 1766 if (scp->term.num_param == 1) 1767 scp->term.cur_attr = scp->term.std_attr = 1768 (scp->term.std_attr & 0xF000) 1769 | ((scp->term.param[0] & 0x0F) << 8); 1770 break; 1771 1772 case 'G': /* set ansi background */ 1773 if (scp->term.num_param == 1) 1774 scp->term.cur_attr = scp->term.std_attr = 1775 (scp->term.std_attr & 0x0F00) 1776 | ((scp->term.param[0] & 0x0F) << 12); 1777 break; 1778 1779 case 'H': /* set ansi reverse video foreground */ 1780 if (scp->term.num_param == 1) 1781 scp->term.rev_attr = 1782 (scp->term.rev_attr & 0xF000) 1783 | ((scp->term.param[0] & 0x0F) << 8); 1784 break; 1785 1786 case 'I': /* set ansi reverse video background */ 1787 if (scp->term.num_param == 1) 1788 scp->term.rev_attr = 1789 (scp->term.rev_attr & 0x0F00) 1790 | ((scp->term.param[0] & 0x0F) << 12); 1791 break; 1792 } 1793 } 1794 scp->term.esc = 0; 1795 } 1796 1797 static inline void 1798 draw_cursor(scr_stat *scp, int show) 1799 { 1800 if (show && !(scp->status & CURSOR_SHOWN)) { 1801 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 1802 1803 scp->cursor_saveunder = cursor_image; 1804 if (configuration & CHAR_CURSOR) { 1805 set_destructive_cursor(scp, FALSE); 1806 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 1807 } 1808 else { 1809 if ((cursor_image & 0x7000) == 0x7000) { 1810 cursor_image &= 0x8fff; 1811 if(!(cursor_image & 0x0700)) 1812 cursor_image |= 0x0700; 1813 } else { 1814 cursor_image |= 0x7000; 1815 if ((cursor_image & 0x0700) == 0x0700) 1816 cursor_image &= 0xf0ff; 1817 } 1818 } 1819 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 1820 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1821 scp->status |= CURSOR_SHOWN; 1822 } 1823 if (!show && (scp->status & CURSOR_SHOWN)) { 1824 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 1825 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1826 scp->status &= ~CURSOR_SHOWN; 1827 } 1828 } 1829 1830 static void 1831 ansi_put(scr_stat *scp, u_char *buf, int len) 1832 { 1833 u_char *ptr = buf; 1834 1835 if (scp->status & UNKNOWN_MODE) 1836 return; 1837 1838 /* make screensaver happy */ 1839 if (scp == cur_console) { 1840 scrn_time_stamp = time.tv_sec; 1841 if (scrn_blanked) { 1842 (*current_saver)(FALSE); 1843 cur_console->start = 0; 1844 cur_console->end = cur_console->xsize * cur_console->ysize; 1845 } 1846 } 1847 write_in_progress++; 1848 outloop: 1849 if (scp->term.esc) { 1850 scan_esc(scp, *ptr++); 1851 len--; 1852 } 1853 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1854 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1855 u_short cur_attr = scp->term.cur_attr; 1856 u_short *cursor_pos = scp->cursor_pos; 1857 do { 1858 *cursor_pos++ = (scr_map[*ptr++] | cur_attr); 1859 cnt--; 1860 } while (cnt && PRINTABLE(*ptr)); 1861 len -= (cursor_pos - scp->cursor_pos); 1862 scp->xpos += (cursor_pos - scp->cursor_pos); 1863 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1864 mark_for_update(scp, cursor_pos - scp->scr_buf); 1865 scp->cursor_pos = cursor_pos; 1866 if (scp->xpos >= scp->xsize) { 1867 scp->xpos = 0; 1868 scp->ypos++; 1869 } 1870 } 1871 else { 1872 switch(*ptr) { 1873 case 0x07: 1874 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1875 break; 1876 1877 case 0x08: /* non-destructive backspace */ 1878 if (scp->cursor_pos > scp->scr_buf) { 1879 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1880 scp->cursor_pos--; 1881 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1882 if (scp->xpos > 0) 1883 scp->xpos--; 1884 else { 1885 scp->xpos += scp->xsize - 1; 1886 scp->ypos--; 1887 } 1888 } 1889 break; 1890 1891 case 0x09: /* non-destructive tab */ 1892 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1893 scp->cursor_pos += (8 - scp->xpos % 8u); 1894 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1895 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 1896 scp->xpos = 0; 1897 scp->ypos++; 1898 } 1899 break; 1900 1901 case 0x0a: /* newline, same pos */ 1902 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1903 scp->cursor_pos += scp->xsize; 1904 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1905 scp->ypos++; 1906 break; 1907 1908 case 0x0c: /* form feed, clears screen */ 1909 clear_screen(scp); 1910 break; 1911 1912 case 0x0d: /* return, return to pos 0 */ 1913 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1914 scp->cursor_pos -= scp->xpos; 1915 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1916 scp->xpos = 0; 1917 break; 1918 1919 case 0x1b: /* start escape sequence */ 1920 scp->term.esc = 1; 1921 scp->term.num_param = 0; 1922 break; 1923 } 1924 ptr++; len--; 1925 } 1926 /* do we have to scroll ?? */ 1927 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 1928 if (scp->history) { 1929 bcopyw(scp->scr_buf, scp->history_head, 1930 scp->xsize * sizeof(u_short)); 1931 scp->history_head += scp->xsize; 1932 if (scp->history_head + scp->xsize > 1933 scp->history + scp->history_size) 1934 scp->history_head = scp->history; 1935 } 1936 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 1937 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 1938 fillw(scp->term.cur_attr | scr_map[0x20], 1939 scp->scr_buf + scp->xsize * (scp->ysize - 1), 1940 scp->xsize); 1941 scp->cursor_pos -= scp->xsize; 1942 scp->ypos--; 1943 mark_all(scp); 1944 } 1945 if (len) 1946 goto outloop; 1947 write_in_progress--; 1948 if (delayed_next_scr) 1949 switch_scr(scp, delayed_next_scr - 1); 1950 } 1951 1952 static void 1953 scinit(void) 1954 { 1955 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1956 unsigned hw_cursor; 1957 int i; 1958 1959 if (init_done) 1960 return; 1961 init_done = TRUE; 1962 /* 1963 * Crtat initialized to point to MONO buffer, if not present change 1964 * to CGA_BUF offset. ONLY add the difference since locore.s adds 1965 * in the remapped offset at the "right" time 1966 */ 1967 was = *cp; 1968 *cp = (u_short) 0xA55A; 1969 if (*cp != 0xA55A) 1970 crtc_addr = MONO_BASE; 1971 else { 1972 *cp = was; 1973 crtc_addr = COLOR_BASE; 1974 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1975 } 1976 1977 /* extract cursor location */ 1978 outb(crtc_addr, 14); 1979 hw_cursor = inb(crtc_addr + 1) << 8; 1980 outb(crtc_addr, 15); 1981 hw_cursor |= inb(crtc_addr + 1); 1982 1983 /* move hardware cursor out of the way */ 1984 outb(crtc_addr, 14); 1985 outb(crtc_addr + 1, 0xff); 1986 outb(crtc_addr, 15); 1987 outb(crtc_addr + 1, 0xff); 1988 1989 /* is this a VGA or higher ? */ 1990 outb(crtc_addr, 7); 1991 if (inb(crtc_addr) == 7) { 1992 u_long pa; 1993 u_long segoff; 1994 1995 crtc_vga = TRUE; 1996 /* 1997 * Get the BIOS video mode pointer. 1998 */ 1999 segoff = *(u_long *)pa_to_va(0x4a8); 2000 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2001 if (ISMAPPED(pa, sizeof(u_long))) { 2002 segoff = *(u_long *)pa_to_va(pa); 2003 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2004 if (ISMAPPED(pa, 64)) 2005 video_mode_ptr = (char *)pa_to_va(pa); 2006 } 2007 } 2008 current_default = &user_default; 2009 console[0] = &main_console; 2010 init_scp(console[0]); 2011 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2012 console[0]->cursor_pos = Crtat + hw_cursor; 2013 console[0]->xpos = hw_cursor % COL; 2014 console[0]->ypos = hw_cursor / COL; 2015 cur_console = console[0]; 2016 for (i=1; i<MAXCONS; i++) 2017 console[i] = NULL; 2018 kernel_console.esc = 0; 2019 kernel_console.std_attr = kernel_default.std_attr; 2020 kernel_console.rev_attr = kernel_default.rev_attr; 2021 kernel_console.cur_attr = kernel_default.std_attr; 2022 /* initialize mapscrn array to a one to one map */ 2023 for (i=0; i<sizeof(scr_map); i++) 2024 scr_map[i] = i; 2025 } 2026 2027 static scr_stat 2028 *alloc_scp() 2029 { 2030 scr_stat *scp; 2031 2032 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_NOWAIT); 2033 init_scp(scp); 2034 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 2035 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2036 M_DEVBUF, M_NOWAIT); 2037 scp->history_head = scp->history_pos = scp->history = 2038 (u_short *)malloc(scp->history_size*sizeof(u_short), 2039 M_DEVBUF, M_NOWAIT); 2040 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2041 if (crtc_vga && video_mode_ptr) 2042 set_mode(scp); 2043 clear_screen(scp); 2044 return scp; 2045 } 2046 2047 static void 2048 init_scp(scr_stat *scp) 2049 { 2050 scp->mode = M_VGA_C80x25; 2051 scp->font = FONT_16; 2052 scp->xsize = COL; 2053 scp->ysize = ROW; 2054 scp->start = COL * ROW; 2055 scp->end = 0; 2056 scp->term.esc = 0; 2057 scp->term.std_attr = current_default->std_attr; 2058 scp->term.rev_attr = current_default->rev_attr; 2059 scp->term.cur_attr = scp->term.std_attr; 2060 scp->border = BG_BLACK; 2061 scp->cursor_start = *(char *)pa_to_va(0x461); 2062 scp->cursor_end = *(char *)pa_to_va(0x460); 2063 scp->mouse_xpos = scp->mouse_ypos = 0; 2064 scp->bell_pitch = BELL_PITCH; 2065 scp->bell_duration = BELL_DURATION; 2066 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2067 scp->status |= CURSOR_ENABLED; 2068 scp->pid = 0; 2069 scp->proc = NULL; 2070 scp->smode.mode = VT_AUTO; 2071 scp->history_head = scp->history_pos = scp->history = NULL; 2072 scp->history_size = HISTORY_SIZE; 2073 } 2074 2075 static u_char 2076 *get_fstr(u_int c, u_int *len) 2077 { 2078 u_int i; 2079 2080 if (!(c & FKEY)) 2081 return(NULL); 2082 i = (c & 0xFF) - F_FN; 2083 if (i > n_fkey_tab) 2084 return(NULL); 2085 *len = fkey_tab[i].len; 2086 return(fkey_tab[i].str); 2087 } 2088 2089 static void 2090 update_leds(int which) 2091 { 2092 int s; 2093 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2094 2095 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2096 if (key_map.n_keys > ALTGR_OFFSET) { 2097 if (which & ALKED) 2098 which |= CLKED; 2099 else 2100 which &= ~CLKED; 2101 } 2102 s = spltty(); 2103 kbd_cmd(KB_SETLEDS); 2104 kbd_cmd(xlate_leds[which & LED_MASK]); 2105 splx(s); 2106 } 2107 2108 static void 2109 history_to_screen(scr_stat *scp) 2110 { 2111 int i; 2112 2113 for (i=0; i<scp->ysize; i++) 2114 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2115 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2116 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2117 scp->xsize * sizeof(u_short)); 2118 mark_all(scp); 2119 } 2120 2121 static int 2122 history_up_line(scr_stat *scp) 2123 { 2124 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2125 scp->history_head) { 2126 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2127 history_to_screen(scp); 2128 return 0; 2129 } 2130 else 2131 return -1; 2132 } 2133 2134 static int 2135 history_down_line(scr_stat *scp) 2136 { 2137 if (scp->history_pos != scp->history_head) { 2138 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2139 history_to_screen(scp); 2140 return 0; 2141 } 2142 else 2143 return -1; 2144 } 2145 2146 /* 2147 * scgetc(noblock) - get character from keyboard. 2148 * If noblock = 0 wait until a key is pressed. 2149 * Else return NOKEY. 2150 */ 2151 u_int 2152 scgetc(int noblock) 2153 { 2154 u_char scancode, keycode; 2155 u_int state, action; 2156 struct key_t *key; 2157 static u_char esc_flag = 0, compose = 0; 2158 static u_int chr = 0; 2159 2160 next_code: 2161 kbd_wait(); 2162 /* First see if there is something in the keyboard port */ 2163 if (inb(KB_STAT) & KB_BUF_FULL) 2164 scancode = inb(KB_DATA); 2165 else if (noblock) 2166 return(NOKEY); 2167 else 2168 goto next_code; 2169 2170 if (cur_console->status & KBD_RAW_MODE) 2171 return scancode; 2172 #if ASYNCH 2173 if (scancode == KB_ACK || scancode == KB_RESEND) { 2174 kbd_reply = scancode; 2175 if (noblock) 2176 return(NOKEY); 2177 goto next_code; 2178 } 2179 #endif 2180 keycode = scancode & 0x7F; 2181 switch (esc_flag) { 2182 case 0x00: /* normal scancode */ 2183 switch(scancode) { 2184 case 0xB8: /* left alt (compose key) */ 2185 if (compose) { 2186 compose = 0; 2187 if (chr > 255) { 2188 do_bell(cur_console, 2189 BELL_PITCH, BELL_DURATION); 2190 chr = 0; 2191 } 2192 } 2193 break; 2194 case 0x38: 2195 if (!compose) { 2196 compose = 1; 2197 chr = 0; 2198 } 2199 break; 2200 case 0xE0: 2201 case 0xE1: 2202 esc_flag = scancode; 2203 goto next_code; 2204 } 2205 break; 2206 case 0xE0: /* 0xE0 prefix */ 2207 esc_flag = 0; 2208 switch (keycode) { 2209 case 0x1C: /* right enter key */ 2210 keycode = 0x59; 2211 break; 2212 case 0x1D: /* right ctrl key */ 2213 keycode = 0x5A; 2214 break; 2215 case 0x35: /* keypad divide key */ 2216 keycode = 0x5B; 2217 break; 2218 case 0x37: /* print scrn key */ 2219 keycode = 0x5C; 2220 break; 2221 case 0x38: /* right alt key (alt gr) */ 2222 keycode = 0x5D; 2223 break; 2224 case 0x47: /* grey home key */ 2225 keycode = 0x5E; 2226 break; 2227 case 0x48: /* grey up arrow key */ 2228 keycode = 0x5F; 2229 break; 2230 case 0x49: /* grey page up key */ 2231 keycode = 0x60; 2232 break; 2233 case 0x4B: /* grey left arrow key */ 2234 keycode = 0x61; 2235 break; 2236 case 0x4D: /* grey right arrow key */ 2237 keycode = 0x62; 2238 break; 2239 case 0x4F: /* grey end key */ 2240 keycode = 0x63; 2241 break; 2242 case 0x50: /* grey down arrow key */ 2243 keycode = 0x64; 2244 break; 2245 case 0x51: /* grey page down key */ 2246 keycode = 0x65; 2247 break; 2248 case 0x52: /* grey insert key */ 2249 keycode = 0x66; 2250 break; 2251 case 0x53: /* grey delete key */ 2252 keycode = 0x67; 2253 break; 2254 2255 /* the following 3 are only used on the MS "Natural" keyboard */ 2256 case 0x5b: /* left Window key */ 2257 keycode = 0x69; 2258 break; 2259 case 0x5c: /* right Window key */ 2260 keycode = 0x6a; 2261 break; 2262 case 0x5d: /* menu key */ 2263 keycode = 0x6b; 2264 break; 2265 default: /* ignore everything else */ 2266 goto next_code; 2267 } 2268 break; 2269 case 0xE1: /* 0xE1 prefix */ 2270 esc_flag = 0; 2271 if (keycode == 0x1D) 2272 esc_flag = 0x1D; 2273 goto next_code; 2274 /* NOT REACHED */ 2275 case 0x1D: /* pause / break */ 2276 esc_flag = 0; 2277 if (keycode != 0x45) 2278 goto next_code; 2279 keycode = 0x68; 2280 break; 2281 } 2282 2283 /* if scroll-lock pressed allow history browsing */ 2284 if (cur_console->history && cur_console->status & SLKED) { 2285 int i; 2286 2287 cur_console->status &= ~CURSOR_ENABLED; 2288 if (!(cur_console->status & BUFFER_SAVED)) { 2289 cur_console->status |= BUFFER_SAVED; 2290 cur_console->history_save = cur_console->history_head; 2291 2292 /* copy screen into top of history buffer */ 2293 for (i=0; i<cur_console->ysize; i++) { 2294 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2295 cur_console->history_head, 2296 cur_console->xsize * sizeof(u_short)); 2297 cur_console->history_head += cur_console->xsize; 2298 if (cur_console->history_head + cur_console->xsize > 2299 cur_console->history + cur_console->history_size) 2300 cur_console->history_head=cur_console->history; 2301 } 2302 cur_console->history_pos = cur_console->history_head; 2303 history_to_screen(cur_console); 2304 } 2305 switch (scancode) { 2306 case 0x47: /* home key */ 2307 cur_console->history_pos = cur_console->history_head; 2308 history_to_screen(cur_console); 2309 goto next_code; 2310 2311 case 0x4F: /* end key */ 2312 cur_console->history_pos = 2313 WRAPHIST(cur_console, cur_console->history_head, 2314 cur_console->xsize*cur_console->ysize); 2315 history_to_screen(cur_console); 2316 goto next_code; 2317 2318 case 0x48: /* up arrow key */ 2319 if (history_up_line(cur_console)) 2320 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2321 goto next_code; 2322 2323 case 0x50: /* down arrow key */ 2324 if (history_down_line(cur_console)) 2325 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2326 goto next_code; 2327 2328 case 0x49: /* page up key */ 2329 for (i=0; i<cur_console->ysize; i++) 2330 if (history_up_line(cur_console)) { 2331 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2332 break; 2333 } 2334 goto next_code; 2335 2336 case 0x51: /* page down key */ 2337 for (i=0; i<cur_console->ysize; i++) 2338 if (history_down_line(cur_console)) { 2339 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2340 break; 2341 } 2342 goto next_code; 2343 } 2344 } 2345 2346 if (compose) { 2347 switch (scancode) { 2348 /* key pressed process it */ 2349 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2350 chr = (scancode - 0x40) + chr*10; 2351 goto next_code; 2352 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2353 chr = (scancode - 0x47) + chr*10; 2354 goto next_code; 2355 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2356 chr = (scancode - 0x4E) + chr*10; 2357 goto next_code; 2358 case 0x52: /* keypad 0 */ 2359 chr *= 10; 2360 goto next_code; 2361 2362 /* key release, no interest here */ 2363 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2364 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2365 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2366 case 0xD2: /* keypad 0 */ 2367 goto next_code; 2368 2369 case 0x38: /* left alt key */ 2370 break; 2371 default: 2372 if (chr) { 2373 compose = chr = 0; 2374 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2375 goto next_code; 2376 } 2377 break; 2378 } 2379 } 2380 2381 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2382 if ((!agrs && (cur_console->status & ALKED)) 2383 || (agrs && !(cur_console->status & ALKED))) 2384 keycode += ALTGR_OFFSET; 2385 key = &key_map.key[keycode]; 2386 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2387 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2388 state ^= 1; 2389 2390 /* Check for make/break */ 2391 action = key->map[state]; 2392 if (scancode & 0x80) { /* key released */ 2393 if (key->spcl & 0x80) { 2394 switch (action) { 2395 case LSH: 2396 shfts &= ~1; 2397 break; 2398 case RSH: 2399 shfts &= ~2; 2400 break; 2401 case LCTR: 2402 ctls &= ~1; 2403 break; 2404 case RCTR: 2405 ctls &= ~2; 2406 break; 2407 case LALT: 2408 alts &= ~1; 2409 break; 2410 case RALT: 2411 alts &= ~2; 2412 break; 2413 case NLK: 2414 nlkcnt = 0; 2415 break; 2416 case CLK: 2417 clkcnt = 0; 2418 break; 2419 case SLK: 2420 slkcnt = 0; 2421 break; 2422 case ASH: 2423 agrs = 0; 2424 break; 2425 case ALK: 2426 alkcnt = 0; 2427 break; 2428 case META: 2429 metas = 0; 2430 break; 2431 } 2432 } 2433 if (chr && !compose) { 2434 action = chr; 2435 chr = 0; 2436 return(action); 2437 } 2438 } else { 2439 /* key pressed */ 2440 if (key->spcl & (0x80>>state)) { 2441 switch (action) { 2442 /* LOCKING KEYS */ 2443 case NLK: 2444 if (!nlkcnt) { 2445 nlkcnt++; 2446 if (cur_console->status & NLKED) 2447 cur_console->status &= ~NLKED; 2448 else 2449 cur_console->status |= NLKED; 2450 update_leds(cur_console->status); 2451 } 2452 break; 2453 case CLK: 2454 if (!clkcnt) { 2455 clkcnt++; 2456 if (cur_console->status & CLKED) 2457 cur_console->status &= ~CLKED; 2458 else 2459 cur_console->status |= CLKED; 2460 update_leds(cur_console->status); 2461 } 2462 break; 2463 case SLK: 2464 if (!slkcnt) { 2465 slkcnt++; 2466 if (cur_console->status & SLKED) { 2467 cur_console->status &= ~SLKED; 2468 if (cur_console->status & BUFFER_SAVED){ 2469 int i; 2470 u_short *ptr = cur_console->history_save; 2471 2472 for (i=0; i<cur_console->ysize; i++) { 2473 bcopyw(ptr, 2474 cur_console->scr_buf + 2475 (cur_console->xsize*i), 2476 cur_console->xsize * sizeof(u_short)); 2477 ptr += cur_console->xsize; 2478 if (ptr + cur_console->xsize > 2479 cur_console->history + 2480 cur_console->history_size) 2481 ptr = cur_console->history; 2482 } 2483 cur_console->status &= ~BUFFER_SAVED; 2484 cur_console->history_head=cur_console->history_save; 2485 cur_console->status |= CURSOR_ENABLED; 2486 } 2487 scstart(VIRTUAL_TTY(get_scr_num())); 2488 } 2489 else 2490 cur_console->status |= SLKED; 2491 update_leds(cur_console->status); 2492 } 2493 break; 2494 case ALK: 2495 if (!alkcnt) { 2496 alkcnt++; 2497 if (cur_console->status & ALKED) 2498 cur_console->status &= ~ALKED; 2499 else 2500 cur_console->status |= ALKED; 2501 update_leds(cur_console->status); 2502 } 2503 break; 2504 2505 /* NON-LOCKING KEYS */ 2506 case NOP: 2507 break; 2508 case RBT: 2509 shutdown_nice(); 2510 break; 2511 case SUSP: 2512 #if NAPM > 0 2513 apm_suspend(); 2514 #endif 2515 break; 2516 2517 case DBG: 2518 #ifdef DDB /* try to switch to console 0 */ 2519 if (cur_console->smode.mode == VT_AUTO && 2520 console[0]->smode.mode == VT_AUTO) 2521 switch_scr(cur_console, 0); 2522 Debugger("manual escape to debugger"); 2523 return(NOKEY); 2524 #else 2525 printf("No debugger in kernel\n"); 2526 #endif 2527 break; 2528 case LSH: 2529 shfts |= 1; 2530 break; 2531 case RSH: 2532 shfts |= 2; 2533 break; 2534 case LCTR: 2535 ctls |= 1; 2536 break; 2537 case RCTR: 2538 ctls |= 2; 2539 break; 2540 case LALT: 2541 alts |= 1; 2542 break; 2543 case RALT: 2544 alts |= 2; 2545 break; 2546 case ASH: 2547 agrs = 1; 2548 break; 2549 case META: 2550 metas = 1; 2551 break; 2552 case NEXT: 2553 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2554 break; 2555 case BTAB: 2556 return(BKEY); 2557 default: 2558 if (action >= F_SCR && action <= L_SCR) { 2559 switch_scr(cur_console, action - F_SCR); 2560 break; 2561 } 2562 if (action >= F_FN && action <= L_FN) 2563 action |= FKEY; 2564 return(action); 2565 } 2566 } 2567 else { 2568 if (metas) 2569 action |= MKEY; 2570 return(action); 2571 } 2572 } 2573 goto next_code; 2574 } 2575 2576 int 2577 scmmap(dev_t dev, int offset, int nprot) 2578 { 2579 if (offset > 0x20000 - PAGE_SIZE) 2580 return -1; 2581 return i386_btop((VIDEOMEM + offset)); 2582 } 2583 2584 static void 2585 kbd_wait(void) 2586 { 2587 int i = 1000; 2588 2589 while (i--) { 2590 if ((inb(KB_STAT) & KB_READY) == 0) 2591 break; 2592 DELAY (10); 2593 } 2594 } 2595 2596 static void 2597 kbd_cmd(u_char command) 2598 { 2599 int retry = 5; 2600 do { 2601 int i = 100000; 2602 2603 kbd_wait(); 2604 #if ASYNCH 2605 kbd_reply = 0; 2606 outb(KB_DATA, command); 2607 while (i--) { 2608 if (kbd_reply == KB_ACK) 2609 return; 2610 if (kbd_reply == KB_RESEND) 2611 break; 2612 } 2613 #else 2614 outb(KB_DATA, command); 2615 while (i--) { 2616 if (inb(KB_STAT) & KB_BUF_FULL) { 2617 int val; 2618 DELAY(10); 2619 val = inb(KB_DATA); 2620 if (val == KB_ACK) 2621 return; 2622 if (val == KB_RESEND) 2623 break; 2624 } 2625 } 2626 #endif 2627 } while (retry--); 2628 } 2629 2630 static void 2631 set_mode(scr_stat *scp) 2632 { 2633 char *modetable; 2634 char special_modetable[64]; 2635 int mode, font_size; 2636 2637 if (scp != cur_console) 2638 return; 2639 2640 /* setup video hardware for the given mode */ 2641 switch (scp->mode) { 2642 case M_VGA_M80x60: 2643 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2644 goto special_80x60; 2645 2646 case M_VGA_C80x60: 2647 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2648 special_80x60: 2649 special_modetable[2] = 0x08; 2650 special_modetable[19] = 0x47; 2651 goto special_480l; 2652 2653 case M_VGA_M80x30: 2654 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2655 goto special_80x30; 2656 2657 case M_VGA_C80x30: 2658 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2659 special_80x30: 2660 special_modetable[19] = 0x4f; 2661 special_480l: 2662 special_modetable[9] |= 0xc0; 2663 special_modetable[16] = 0x08; 2664 special_modetable[17] = 0x3e; 2665 special_modetable[26] = 0xea; 2666 special_modetable[28] = 0xdf; 2667 special_modetable[31] = 0xe7; 2668 special_modetable[32] = 0x04; 2669 modetable = special_modetable; 2670 goto setup_mode; 2671 2672 case M_ENH_B80x43: 2673 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2674 goto special_80x43; 2675 2676 case M_ENH_C80x43: 2677 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2678 special_80x43: 2679 special_modetable[28] = 87; 2680 goto special_80x50; 2681 2682 case M_VGA_M80x50: 2683 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2684 goto special_80x50; 2685 2686 case M_VGA_C80x50: 2687 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2688 special_80x50: 2689 special_modetable[2] = 8; 2690 special_modetable[19] = 7; 2691 modetable = special_modetable; 2692 goto setup_mode; 2693 2694 case M_VGA_C40x25: case M_VGA_C80x25: 2695 case M_VGA_M80x25: 2696 case M_B40x25: case M_C40x25: 2697 case M_B80x25: case M_C80x25: 2698 case M_ENH_B40x25: case M_ENH_C40x25: 2699 case M_ENH_B80x25: case M_ENH_C80x25: 2700 2701 modetable = video_mode_ptr + (scp->mode * 64); 2702 setup_mode: 2703 set_vgaregs(modetable); 2704 font_size = *(modetable + 2); 2705 2706 /* set font type (size) */ 2707 switch (font_size) { 2708 case 0x10: 2709 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2710 scp->font = FONT_16; 2711 break; 2712 case 0x0E: 2713 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2714 scp->font = FONT_14; 2715 break; 2716 default: 2717 case 0x08: 2718 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2719 scp->font = FONT_8; 2720 break; 2721 } 2722 if (configuration & CHAR_CURSOR) 2723 set_destructive_cursor(scp, TRUE); 2724 break; 2725 2726 case M_BG320: case M_CG320: case M_BG640: 2727 case M_CG320_D: case M_CG640_E: 2728 case M_CG640x350: case M_ENH_CG640: 2729 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2730 2731 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2732 break; 2733 2734 default: 2735 /* call user defined function XXX */ 2736 break; 2737 } 2738 2739 /* set border color for this (virtual) console */ 2740 set_border(scp->border); 2741 return; 2742 } 2743 2744 void 2745 set_border(int color) 2746 { 2747 inb(crtc_addr+6); /* reset flip-flop */ 2748 outb(ATC, 0x11); outb(ATC, color); 2749 inb(crtc_addr+6); /* reset flip-flop */ 2750 outb(ATC, 0x20); /* enable Palette */ 2751 } 2752 2753 static void 2754 set_vgaregs(char *modetable) 2755 { 2756 int i, s = splhigh(); 2757 2758 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2759 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2760 for (i=0; i<4; i++) { /* program sequencer */ 2761 outb(TSIDX, i+1); 2762 outb(TSREG, modetable[i+5]); 2763 } 2764 outb(MISC, modetable[9]); /* set dot-clock */ 2765 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2766 outb(crtc_addr, 0x11); 2767 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2768 for (i=0; i<25; i++) { /* program crtc */ 2769 outb(crtc_addr, i); 2770 if (i == 14 || i == 15) /* no hardware cursor */ 2771 outb(crtc_addr+1, 0xff); 2772 else 2773 outb(crtc_addr+1, modetable[i+10]); 2774 } 2775 inb(crtc_addr+6); /* reset flip-flop */ 2776 for (i=0; i<20; i++) { /* program attribute ctrl */ 2777 outb(ATC, i); 2778 outb(ATC, modetable[i+35]); 2779 } 2780 for (i=0; i<9; i++) { /* program graph data ctrl */ 2781 outb(GDCIDX, i); 2782 outb(GDCREG, modetable[i+55]); 2783 } 2784 inb(crtc_addr+6); /* reset flip-flop */ 2785 outb(ATC ,0x20); /* enable palette */ 2786 splx(s); 2787 } 2788 2789 static void 2790 set_font_mode() 2791 { 2792 /* setup vga for loading fonts (graphics plane mode) */ 2793 inb(crtc_addr+6); 2794 outb(ATC, 0x30); outb(ATC, 0x01); 2795 #if SLOW_VGA 2796 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2797 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2798 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2799 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2800 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2801 #else 2802 outw(TSIDX, 0x0402); 2803 outw(TSIDX, 0x0604); 2804 outw(GDCIDX, 0x0204); 2805 outw(GDCIDX, 0x0005); 2806 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2807 #endif 2808 } 2809 2810 static void 2811 set_normal_mode() 2812 { 2813 int s = splhigh(); 2814 2815 /* setup vga for normal operation mode again */ 2816 inb(crtc_addr+6); 2817 outb(ATC, 0x30); outb(ATC, 0x0C); 2818 #if SLOW_VGA 2819 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2820 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2821 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2822 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2823 if (crtc_addr == MONO_BASE) { 2824 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2825 } 2826 else { 2827 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2828 } 2829 #else 2830 outw(TSIDX, 0x0302); 2831 outw(TSIDX, 0x0204); 2832 outw(GDCIDX, 0x0004); 2833 outw(GDCIDX, 0x1005); 2834 if (crtc_addr == MONO_BASE) 2835 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2836 else 2837 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2838 #endif 2839 splx(s); 2840 } 2841 2842 static void 2843 copy_font(int operation, int font_type, char* font_image) 2844 { 2845 int ch, line, segment, fontsize; 2846 u_char val; 2847 2848 switch (font_type) { 2849 default: 2850 case FONT_8: 2851 segment = 0x8000; 2852 fontsize = 8; 2853 break; 2854 case FONT_14: 2855 segment = 0x4000; 2856 fontsize = 14; 2857 break; 2858 case FONT_16: 2859 segment = 0x0000; 2860 fontsize = 16; 2861 break; 2862 } 2863 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 2864 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2865 set_font_mode(); 2866 for (ch=0; ch < 256; ch++) 2867 for (line=0; line < fontsize; line++) 2868 if (operation) 2869 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 2870 font_image[(ch*fontsize)+line]; 2871 else 2872 font_image[(ch*fontsize)+line] = 2873 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 2874 set_normal_mode(); 2875 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 2876 } 2877 2878 static void 2879 set_destructive_cursor(scr_stat *scp, int force) 2880 { 2881 u_char cursor[32]; 2882 caddr_t address; 2883 int i, font_size; 2884 char *font_buffer; 2885 static u_char old_saveunder = DEAD_CHAR; 2886 2887 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 2888 return; 2889 old_saveunder = scp->cursor_saveunder & 0xFF; 2890 switch (scp->font) { 2891 default: 2892 case FONT_8: 2893 font_size = 8; 2894 font_buffer = font_8; 2895 address = (caddr_t)VIDEOMEM + 0x8000; 2896 break; 2897 case FONT_14: 2898 font_size = 14; 2899 font_buffer = font_14; 2900 address = (caddr_t)VIDEOMEM + 0x4000; 2901 break; 2902 case FONT_16: 2903 font_size = 16; 2904 font_buffer = font_16; 2905 address = (caddr_t)VIDEOMEM; 2906 break; 2907 } 2908 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 2909 cursor, font_size); 2910 for (i=0; i<32; i++) 2911 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 2912 (scp->cursor_start >= font_size && i == font_size - 1)) 2913 cursor[i] |= 0xff; 2914 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 2915 set_font_mode(); 2916 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 2917 set_normal_mode(); 2918 } 2919 2920 static void 2921 draw_mouse_image(scr_stat *scp) 2922 { 2923 caddr_t address; 2924 int i, font_size; 2925 char *font_buffer; 2926 u_short buffer[32]; 2927 u_short xoffset, yoffset; 2928 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 2929 2930 xoffset = scp->mouse_xpos % 8; 2931 switch (scp->font) { 2932 default: 2933 case FONT_8: 2934 font_size = 8; 2935 font_buffer = font_8; 2936 yoffset = scp->mouse_ypos % 8; 2937 address = (caddr_t)VIDEOMEM + 0x8000; 2938 break; 2939 case FONT_14: 2940 font_size = 14; 2941 font_buffer = font_14; 2942 yoffset = scp->mouse_ypos % 14; 2943 address = (caddr_t)VIDEOMEM + 0x4000; 2944 break; 2945 case FONT_16: 2946 font_size = 16; 2947 font_buffer = font_16; 2948 yoffset = scp->mouse_ypos % 16; 2949 address = (caddr_t)VIDEOMEM; 2950 break; 2951 } 2952 2953 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 2954 &scp->mouse_cursor[0], font_size); 2955 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 2956 &scp->mouse_cursor[32], font_size); 2957 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 2958 &scp->mouse_cursor[64], font_size); 2959 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 2960 &scp->mouse_cursor[96], font_size); 2961 2962 for (i=0; i<font_size; i++) { 2963 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 2964 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 2965 } 2966 for (i=0; i<16; i++) { 2967 buffer[i+yoffset] = 2968 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 2969 | (mouse_or_mask[i] >> xoffset); 2970 } 2971 for (i=0; i<font_size; i++) { 2972 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 2973 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 2974 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 2975 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 2976 } 2977 if (scp->status & UPDATE_MOUSE) { 2978 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 2979 2980 if (crt_pos != scp->mouse_oldpos) { 2981 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 2982 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 2983 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 2984 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 2985 } 2986 scp->mouse_saveunder[0] = *(scp->mouse_pos); 2987 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 2988 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 2989 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 2990 if ((scp->cursor_pos == (ptr)) || 2991 (scp->cursor_pos == (ptr+1)) || 2992 (scp->cursor_pos == (ptr+scp->xsize)) || 2993 (scp->cursor_pos == (ptr+scp->xsize+1)) || 2994 (scp->cursor_pos == (scp->mouse_pos)) || 2995 (scp->cursor_pos == (scp->mouse_pos+1)) || 2996 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 2997 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 2998 scp->status &= ~CURSOR_SHOWN; 2999 } 3000 scp->mouse_oldpos = crt_pos; 3001 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3002 *(crt_pos) = *(scp->mouse_pos)&0xff00|0xd0; 3003 *(crt_pos+1) = *(scp->mouse_pos+1)&0xff00|0xd1; 3004 *(crt_pos+scp->xsize) = *(scp->mouse_pos+scp->xsize)&0xff00|0xd2; 3005 *(crt_pos+scp->xsize+1) = *(scp->mouse_pos+scp->xsize+1)&0xff00|0xd3; 3006 set_font_mode(); 3007 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3008 set_normal_mode(); 3009 } 3010 3011 static void 3012 save_palette(void) 3013 { 3014 int i; 3015 3016 outb(PALRADR, 0x00); 3017 for (i=0x00; i<0x300; i++) 3018 palette[i] = inb(PALDATA); 3019 inb(crtc_addr+6); /* reset flip/flop */ 3020 } 3021 3022 void 3023 load_palette(void) 3024 { 3025 int i; 3026 3027 outb(PIXMASK, 0xFF); /* no pixelmask */ 3028 outb(PALWADR, 0x00); 3029 for (i=0x00; i<0x300; i++) 3030 outb(PALDATA, palette[i]); 3031 inb(crtc_addr+6); /* reset flip/flop */ 3032 outb(ATC, 0x20); /* enable palette */ 3033 } 3034 3035 static void 3036 do_bell(scr_stat *scp, int pitch, int duration) 3037 { 3038 if (scp == cur_console) { 3039 if (configuration & VISUAL_BELL) { 3040 if (blink_in_progress) 3041 return; 3042 blink_in_progress = 4; 3043 blink_screen(scp); 3044 timeout((timeout_func_t)blink_screen, scp, hz/10); 3045 } 3046 else 3047 sysbeep(pitch, duration); 3048 } 3049 } 3050 3051 static void 3052 blink_screen(scr_stat *scp) 3053 { 3054 if (blink_in_progress > 1) { 3055 if (blink_in_progress & 1) 3056 fillw(kernel_default.std_attr | scr_map[0x20], 3057 Crtat, scp->xsize * scp->ysize); 3058 else 3059 fillw(kernel_default.rev_attr | scr_map[0x20], 3060 Crtat, scp->xsize * scp->ysize); 3061 blink_in_progress--; 3062 timeout((timeout_func_t)blink_screen, scp, hz/10); 3063 } 3064 else { 3065 blink_in_progress = FALSE; 3066 mark_all(scp); 3067 if (delayed_next_scr) 3068 switch_scr(scp, delayed_next_scr - 1); 3069 } 3070 } 3071 3072 #endif /* NSC */ 3073