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 1.115 1995/04/28 09:10:56 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 int nsccons = MAXCONS+1; 132 #endif 133 #define MONO_BUF pa_to_va(0xB0000) 134 #define CGA_BUF pa_to_va(0xB8000) 135 u_short *Crtat = (u_short *)MONO_BUF; 136 137 #define WRAPHIST(scp, pointer, offset)\ 138 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 139 + (offset)) % (scp->history_size))) 140 141 struct isa_driver scdriver = { 142 scprobe, scattach, "sc", 1 143 }; 144 145 int 146 scprobe(struct isa_device *dev) 147 { 148 int i, retries = 5; 149 unsigned char val; 150 151 /* Enable interrupts and keyboard controller */ 152 kbd_wait(); 153 outb(KB_STAT, KB_WRITE); 154 kbd_wait(); 155 outb(KB_DATA, KB_MODE); 156 157 /* flush any noise in the buffer */ 158 while (inb(KB_STAT) & KB_BUF_FULL) { 159 DELAY(10); 160 (void) inb(KB_DATA); 161 } 162 163 /* Reset keyboard hardware */ 164 while (retries--) { 165 kbd_wait(); 166 outb(KB_DATA, KB_RESET); 167 for (i=0; i<100000; i++) { 168 DELAY(10); 169 val = inb(KB_DATA); 170 if (val == KB_ACK || val == KB_ECHO) 171 goto gotres; 172 if (val == KB_RESEND) 173 break; 174 } 175 } 176 gotres: 177 if (!retries) 178 printf("scprobe: keyboard won't accept RESET command\n"); 179 else { 180 gotack: 181 DELAY(10); 182 while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10); 183 DELAY(10); 184 val = inb(KB_DATA); 185 if (val == KB_ACK) 186 goto gotack; 187 if (val != KB_RESET_DONE) 188 printf("scprobe: keyboard RESET failed %02x\n", val); 189 } 190 #ifdef XT_KEYBOARD 191 kbd_wait(); 192 outb(KB_DATA, 0xF0); 193 kbd_wait(); 194 outb(KB_DATA, 1) 195 kbd_wait(); 196 #endif /* XT_KEYBOARD */ 197 return (IO_KBDSIZE); 198 } 199 200 static struct kern_devconf kdc_sc[NSC] = { 201 0, 0, 0, /* filled in by dev_attach */ 202 "sc", 0, { MDDT_ISA, 0, "tty" }, 203 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, 204 &kdc_isa0, /* parent */ 205 0, /* parentdata */ 206 DC_BUSY, /* the console is almost always busy */ 207 "Graphics console", 208 DC_CLS_DISPLAY /* class */ 209 }; 210 211 static inline void 212 sc_registerdev(struct isa_device *id) 213 { 214 if(id->id_unit) 215 kdc_sc[id->id_unit] = kdc_sc[0]; 216 kdc_sc[id->id_unit].kdc_unit = id->id_unit; 217 kdc_sc[id->id_unit].kdc_isa = id; 218 dev_attach(&kdc_sc[id->id_unit]); 219 } 220 221 #if NAPM > 0 222 static int 223 scresume(void *dummy) 224 { 225 shfts = 0; 226 ctls = 0; 227 alts = 0; 228 agrs = 0; 229 metas = 0; 230 return 0; 231 } 232 #endif 233 234 int 235 scattach(struct isa_device *dev) 236 { 237 scr_stat *scp; 238 239 scinit(); 240 configuration = dev->id_flags; 241 242 scp = console[0]; 243 244 if (crtc_vga) { 245 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 246 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 247 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 248 copy_font(SAVE, FONT_16, font_16); 249 fonts_loaded = FONT_16; 250 scp->font = FONT_16; 251 save_palette(); 252 } 253 254 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 255 M_DEVBUF, M_NOWAIT); 256 /* copy screen to buffer */ 257 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 258 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 259 scp->mouse_pos = scp->scr_buf; 260 261 /* initialize history buffer & pointers */ 262 scp->history_head = scp->history_pos = scp->history = 263 (u_short *)malloc(scp->history_size*sizeof(u_short), 264 M_DEVBUF, M_NOWAIT); 265 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 266 267 /* initialize cursor stuff */ 268 draw_cursor(scp, TRUE); 269 if (crtc_vga && (configuration & CHAR_CURSOR)) 270 set_destructive_cursor(scp, TRUE); 271 272 /* get screen update going */ 273 scrn_timer(); 274 275 update_leds(scp->status); 276 sc_registerdev(dev); 277 278 printf("sc%d: ", dev->id_unit); 279 if (crtc_vga) 280 if (crtc_addr == MONO_BASE) 281 printf("VGA mono"); 282 else 283 printf("VGA color"); 284 else 285 if (crtc_addr == MONO_BASE) 286 printf("MDA/hercules"); 287 else 288 printf("CGA/EGA"); 289 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 290 291 #if NAPM > 0 292 scp->r_hook.ah_fun = scresume; 293 scp->r_hook.ah_arg = NULL; 294 scp->r_hook.ah_name = "system keyboard"; 295 scp->r_hook.ah_order = APM_MID_ORDER; 296 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 297 #endif 298 return 0; 299 } 300 301 struct tty 302 *scdevtotty(dev_t dev) 303 { 304 int unit = minor(dev); 305 306 if (unit > MAXCONS || unit < 0) 307 return(NULL); 308 if (unit == MAXCONS) 309 return CONSOLE_TTY; 310 return VIRTUAL_TTY(unit); 311 } 312 313 static scr_stat 314 *get_scr_stat(dev_t dev) 315 { 316 int unit = minor(dev); 317 318 if (unit > MAXCONS || unit < 0) 319 return(NULL); 320 if (unit == MAXCONS) 321 return console[0]; 322 return console[unit]; 323 } 324 325 static int 326 get_scr_num() 327 { 328 int i = 0; 329 330 while ((i < MAXCONS) && (cur_console != console[i])) 331 i++; 332 return i < MAXCONS ? i : 0; 333 } 334 335 int 336 scopen(dev_t dev, int flag, int mode, struct proc *p) 337 { 338 struct tty *tp = scdevtotty(dev); 339 340 if (!tp) 341 return(ENXIO); 342 343 tp->t_oproc = scstart; 344 tp->t_param = scparam; 345 tp->t_dev = dev; 346 if (!(tp->t_state & TS_ISOPEN)) { 347 ttychars(tp); 348 tp->t_iflag = TTYDEF_IFLAG; 349 tp->t_oflag = TTYDEF_OFLAG; 350 tp->t_cflag = TTYDEF_CFLAG; 351 tp->t_lflag = TTYDEF_LFLAG; 352 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 353 scparam(tp, &tp->t_termios); 354 ttsetwater(tp); 355 } 356 else 357 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 358 return(EBUSY); 359 tp->t_state |= TS_CARR_ON; 360 tp->t_cflag |= CLOCAL; 361 if (!console[minor(dev)]) 362 console[minor(dev)] = alloc_scp(); 363 return((*linesw[tp->t_line].l_open)(dev, tp)); 364 } 365 366 int 367 scclose(dev_t dev, int flag, int mode, struct proc *p) 368 { 369 struct tty *tp = scdevtotty(dev); 370 struct scr_stat *scp; 371 372 if (!tp) 373 return(ENXIO); 374 if (minor(dev) < MAXCONS) { 375 scp = get_scr_stat(tp->t_dev); 376 if (scp->status & SWITCH_WAIT_ACQ) 377 wakeup((caddr_t)&scp->smode); 378 #if not_yet_done 379 if (scp == &main_console) { 380 scp->pid = 0; 381 scp->proc = NULL; 382 scp->smode.mode = VT_AUTO; 383 } 384 else { 385 free(scp->scr_buf, M_DEVBUF); 386 free(scp->history, M_DEVBUF); 387 free(scp, M_DEVBUF); 388 console[minor(dev)] = NULL; 389 } 390 #else 391 scp->pid = 0; 392 scp->proc = NULL; 393 scp->smode.mode = VT_AUTO; 394 #endif 395 } 396 (*linesw[tp->t_line].l_close)(tp, flag); 397 ttyclose(tp); 398 return(0); 399 } 400 401 int 402 scread(dev_t dev, struct uio *uio, int flag) 403 { 404 struct tty *tp = scdevtotty(dev); 405 406 if (!tp) 407 return(ENXIO); 408 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 409 } 410 411 int 412 scwrite(dev_t dev, struct uio *uio, int flag) 413 { 414 struct tty *tp = scdevtotty(dev); 415 416 if (!tp) 417 return(ENXIO); 418 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 419 } 420 421 void 422 scintr(int unit) 423 { 424 static struct tty *cur_tty; 425 int c, len; 426 u_char *cp; 427 428 /* make screensaver happy */ 429 scrn_time_stamp = time.tv_sec; 430 if (scrn_blanked) { 431 (*current_saver)(FALSE); 432 cur_console->start = 0; 433 cur_console->end = cur_console->xsize * cur_console->ysize; 434 } 435 436 c = scgetc(1); 437 438 cur_tty = VIRTUAL_TTY(get_scr_num()); 439 if (!(cur_tty->t_state & TS_ISOPEN)) 440 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 441 return; 442 443 switch (c & 0xff00) { 444 case 0x0000: /* normal key */ 445 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 446 break; 447 case NOKEY: /* nothing there */ 448 break; 449 case FKEY: /* function key, return string */ 450 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 451 while (len-- > 0) 452 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 453 } 454 break; 455 case MKEY: /* meta is active, prepend ESC */ 456 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 457 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 458 break; 459 case BKEY: /* backtab fixed sequence (esc [ Z) */ 460 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 461 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 462 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 463 break; 464 } 465 } 466 467 int 468 scparam(struct tty *tp, struct termios *t) 469 { 470 tp->t_ispeed = t->c_ispeed; 471 tp->t_ospeed = t->c_ospeed; 472 tp->t_cflag = t->c_cflag; 473 return 0; 474 } 475 476 int 477 scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 478 { 479 int i, error; 480 struct tty *tp; 481 struct trapframe *fp; 482 scr_stat *scp; 483 484 tp = scdevtotty(dev); 485 if (!tp) 486 return ENXIO; 487 scp = get_scr_stat(tp->t_dev); 488 489 switch (cmd) { /* process console hardware related ioctl's */ 490 491 case GIO_ATTR: /* get current attributes */ 492 *(int*)data = scp->term.cur_attr; 493 return 0; 494 495 case GIO_COLOR: /* is this a color console ? */ 496 if (crtc_addr == COLOR_BASE) 497 *(int*)data = 1; 498 else 499 *(int*)data = 0; 500 return 0; 501 502 case CONS_CURRENT: /* get current adapter type */ 503 if (crtc_vga) 504 *(int*)data = KD_VGA; 505 else 506 if (crtc_addr == MONO_BASE) 507 *(int*)data = KD_MONO; 508 else 509 *(int*)data = KD_CGA; 510 return 0; 511 512 case CONS_GET: /* get current video mode */ 513 *(int*)data = scp->mode; 514 return 0; 515 516 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 517 scrn_blank_time = *(int*)data; 518 return 0; 519 520 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 521 if ((*(int*)data) & 0x01) 522 configuration |= BLINK_CURSOR; 523 else 524 configuration &= ~BLINK_CURSOR; 525 if ((*(int*)data) & 0x02) { 526 configuration |= CHAR_CURSOR; 527 set_destructive_cursor(scp, TRUE); 528 } else 529 configuration &= ~CHAR_CURSOR; 530 return 0; 531 532 case CONS_BELLTYPE: /* set bell type sound/visual */ 533 if (*data) 534 configuration |= VISUAL_BELL; 535 else 536 configuration &= ~VISUAL_BELL; 537 return 0; 538 539 case CONS_HISTORY: /* set history size */ 540 if (*data) { 541 free(scp->history, M_DEVBUF); 542 scp->history_size = *(int*)data; 543 if (scp->history_size < scp->ysize) 544 scp->history = NULL; 545 else { 546 scp->history_size *= scp->xsize; 547 scp->history_head = scp->history_pos = scp->history = 548 (u_short *)malloc(scp->history_size*sizeof(u_short), 549 M_DEVBUF, M_NOWAIT); 550 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 551 } 552 return 0; 553 } 554 else 555 return EINVAL; 556 557 case CONS_MOUSECTL: /* control mouse arrow */ 558 { 559 mouse_info_t *mouse = (mouse_info_t*)data; 560 int fontsize; 561 562 switch (scp->font) { 563 default: 564 case FONT_8: 565 fontsize = 8; break; 566 case FONT_14: 567 fontsize = 14; break; 568 case FONT_16: 569 fontsize = 16; break; 570 } 571 switch (mouse->operation) { 572 case MOUSE_SHOW: 573 if (!(scp->status & MOUSE_ENABLED)) { 574 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf); 575 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED); 576 } 577 else 578 return EINVAL; 579 break; 580 581 case MOUSE_HIDE: 582 if (scp->status & MOUSE_ENABLED) { 583 scp->status &= ~MOUSE_ENABLED; 584 scp->status |= UPDATE_MOUSE; 585 } 586 else 587 return EINVAL; 588 break; 589 590 case MOUSE_MOVEABS: 591 scp->mouse_xpos = mouse->x; 592 scp->mouse_ypos = mouse->y; 593 goto set_mouse_pos; 594 595 case MOUSE_MOVEREL: 596 scp->mouse_xpos += mouse->x; 597 scp->mouse_ypos += mouse->y; 598 set_mouse_pos: 599 if (scp->mouse_xpos < 0) 600 scp->mouse_xpos = 0; 601 if (scp->mouse_ypos < 0) 602 scp->mouse_ypos = 0; 603 if (scp->mouse_xpos >= scp->xsize*8) 604 scp->mouse_xpos = (scp->xsize*8)-1; 605 if (scp->mouse_ypos >= scp->ysize*fontsize) 606 scp->mouse_ypos = (scp->ysize*fontsize)-1; 607 scp->mouse_pos = scp->scr_buf + 608 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8; 609 if (scp->status & MOUSE_ENABLED) 610 scp->status |= UPDATE_MOUSE; 611 break; 612 613 case MOUSE_GETPOS: 614 mouse->x = scp->mouse_xpos; 615 mouse->y = scp->mouse_ypos; 616 return 0; 617 618 default: 619 return EINVAL; 620 } 621 /* make screensaver happy */ 622 if (scp == cur_console) { 623 scrn_time_stamp = time.tv_sec; 624 if (scrn_blanked) { 625 (*current_saver)(FALSE); 626 cur_console->start = 0; 627 cur_console->end = cur_console->xsize * cur_console->ysize; 628 } 629 } 630 return 0; 631 } 632 633 case CONS_GETINFO: /* get current (virtual) console info */ 634 { 635 vid_info_t *ptr = (vid_info_t*)data; 636 if (ptr->size == sizeof(struct vid_info)) { 637 ptr->m_num = get_scr_num(); 638 ptr->mv_col = scp->xpos; 639 ptr->mv_row = scp->ypos; 640 ptr->mv_csz = scp->xsize; 641 ptr->mv_rsz = scp->ysize; 642 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 643 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 644 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 645 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 646 ptr->mv_grfc.fore = 0; /* not supported */ 647 ptr->mv_grfc.back = 0; /* not supported */ 648 ptr->mv_ovscan = scp->border; 649 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 650 return 0; 651 } 652 return EINVAL; 653 } 654 655 case CONS_GETVERS: /* get version number */ 656 *(int*)data = 0x200; /* version 2.0 */ 657 return 0; 658 659 /* VGA TEXT MODES */ 660 case SW_VGA_C40x25: 661 case SW_VGA_C80x25: case SW_VGA_M80x25: 662 case SW_VGA_C80x30: case SW_VGA_M80x30: 663 case SW_VGA_C80x50: case SW_VGA_M80x50: 664 case SW_VGA_C80x60: case SW_VGA_M80x60: 665 case SW_B40x25: case SW_C40x25: 666 case SW_B80x25: case SW_C80x25: 667 case SW_ENH_B40x25: case SW_ENH_C40x25: 668 case SW_ENH_B80x25: case SW_ENH_C80x25: 669 case SW_ENH_B80x43: case SW_ENH_C80x43: 670 671 if (!crtc_vga || video_mode_ptr == NULL) 672 return ENXIO; 673 switch (cmd & 0xff) { 674 case M_VGA_C80x60: case M_VGA_M80x60: 675 if (!(fonts_loaded & FONT_8)) 676 return EINVAL; 677 scp->xsize = 80; 678 scp->ysize = 60; 679 break; 680 case M_VGA_C80x50: case M_VGA_M80x50: 681 if (!(fonts_loaded & FONT_8)) 682 return EINVAL; 683 scp->xsize = 80; 684 scp->ysize = 50; 685 break; 686 case M_ENH_B80x43: case M_ENH_C80x43: 687 if (!(fonts_loaded & FONT_8)) 688 return EINVAL; 689 scp->xsize = 80; 690 scp->ysize = 43; 691 break; 692 case M_VGA_C80x30: case M_VGA_M80x30: 693 scp->xsize = 80; 694 scp->ysize = 30; 695 break; 696 default: 697 if ((cmd & 0xff) > M_VGA_CG320) 698 return EINVAL; 699 else 700 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 701 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 702 break; 703 } 704 scp->mode = cmd & 0xff; 705 scp->status &= ~UNKNOWN_MODE; /* text mode */ 706 free(scp->scr_buf, M_DEVBUF); 707 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 708 M_DEVBUF, M_NOWAIT); 709 if (scp == cur_console) 710 set_mode(scp); 711 clear_screen(scp); 712 if (tp->t_winsize.ws_col != scp->xsize 713 || tp->t_winsize.ws_row != scp->ysize) { 714 tp->t_winsize.ws_col = scp->xsize; 715 tp->t_winsize.ws_row = scp->ysize; 716 pgsignal(tp->t_pgrp, SIGWINCH, 1); 717 } 718 return 0; 719 720 /* GRAPHICS MODES */ 721 case SW_BG320: case SW_BG640: 722 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 723 case SW_CG640x350: case SW_ENH_CG640: 724 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 725 726 if (!crtc_vga || video_mode_ptr == NULL) 727 return ENXIO; 728 scp->mode = cmd & 0xFF; 729 scp->status |= UNKNOWN_MODE; /* graphics mode */ 730 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; 731 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 732 (*(video_mode_ptr + (scp->mode*64) + 2)); 733 set_mode(scp); 734 /* clear_graphics();*/ 735 736 if (tp->t_winsize.ws_xpixel != scp->xsize 737 || tp->t_winsize.ws_ypixel != scp->ysize) { 738 tp->t_winsize.ws_xpixel = scp->xsize; 739 tp->t_winsize.ws_ypixel = scp->ysize; 740 pgsignal(tp->t_pgrp, SIGWINCH, 1); 741 } 742 return 0; 743 744 case VT_SETMODE: /* set screen switcher mode */ 745 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 746 if (scp->smode.mode == VT_PROCESS) { 747 scp->proc = p; 748 scp->pid = scp->proc->p_pid; 749 } 750 return 0; 751 752 case VT_GETMODE: /* get screen switcher mode */ 753 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 754 return 0; 755 756 case VT_RELDISP: /* screen switcher ioctl */ 757 switch(*data) { 758 case VT_FALSE: /* user refuses to release screen, abort */ 759 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 760 old_scp->status &= ~SWITCH_WAIT_REL; 761 switch_in_progress = FALSE; 762 return 0; 763 } 764 return EINVAL; 765 766 case VT_TRUE: /* user has released screen, go on */ 767 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 768 scp->status &= ~SWITCH_WAIT_REL; 769 exchange_scr(); 770 if (new_scp->smode.mode == VT_PROCESS) { 771 new_scp->status |= SWITCH_WAIT_ACQ; 772 psignal(new_scp->proc, new_scp->smode.acqsig); 773 } 774 else 775 switch_in_progress = FALSE; 776 return 0; 777 } 778 return EINVAL; 779 780 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 781 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 782 scp->status &= ~SWITCH_WAIT_ACQ; 783 switch_in_progress = FALSE; 784 return 0; 785 } 786 return EINVAL; 787 788 default: 789 return EINVAL; 790 } 791 /* NOT REACHED */ 792 793 case VT_OPENQRY: /* return free virtual console */ 794 for (i = 0; i < MAXCONS; i++) { 795 tp = VIRTUAL_TTY(i); 796 if (!(tp->t_state & TS_ISOPEN)) { 797 *data = i + 1; 798 return 0; 799 } 800 } 801 return EINVAL; 802 803 case VT_ACTIVATE: /* switch to screen *data */ 804 return switch_scr(scp, (*data) - 1); 805 806 case VT_WAITACTIVE: /* wait for switch to occur */ 807 if (*data > MAXCONS || *data < 0) 808 return EINVAL; 809 if (minor(dev) == (*data) - 1) 810 return 0; 811 if (*data == 0) { 812 if (scp == cur_console) 813 return 0; 814 } 815 else 816 scp = console[(*data) - 1]; 817 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 818 "waitvt", 0)) == ERESTART) ; 819 return error; 820 821 case VT_GETACTIVE: 822 *data = get_scr_num()+1; 823 return 0; 824 825 case KDENABIO: /* allow io operations */ 826 fp = (struct trapframe *)p->p_md.md_regs; 827 fp->tf_eflags |= PSL_IOPL; 828 return 0; 829 830 case KDDISABIO: /* disallow io operations (default) */ 831 fp = (struct trapframe *)p->p_md.md_regs; 832 fp->tf_eflags &= ~PSL_IOPL; 833 return 0; 834 835 case KDSETMODE: /* set current mode of this (virtual) console */ 836 switch (*data) { 837 case KD_TEXT: /* switch to TEXT (known) mode */ 838 /* restore fonts & palette ! */ 839 if (crtc_vga) { 840 if (fonts_loaded & FONT_8) 841 copy_font(LOAD, FONT_8, font_8); 842 if (fonts_loaded & FONT_14) 843 copy_font(LOAD, FONT_14, font_14); 844 if (fonts_loaded & FONT_16) 845 copy_font(LOAD, FONT_16, font_16); 846 if (configuration & CHAR_CURSOR) 847 set_destructive_cursor(scp, TRUE); 848 load_palette(); 849 } 850 /* FALL THROUGH */ 851 852 case KD_TEXT1: /* switch to TEXT (known) mode */ 853 /* no restore fonts & palette */ 854 scp->status &= ~UNKNOWN_MODE; 855 if (crtc_vga && video_mode_ptr) 856 set_mode(scp); 857 clear_screen(scp); 858 return 0; 859 860 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 861 scp->status |= UNKNOWN_MODE; 862 return 0; 863 default: 864 return EINVAL; 865 } 866 /* NOT REACHED */ 867 868 case KDGETMODE: /* get current mode of this (virtual) console */ 869 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 870 return 0; 871 872 case KDSBORDER: /* set border color of this (virtual) console */ 873 if (!crtc_vga) 874 return ENXIO; 875 scp->border = *data; 876 if (scp == cur_console) 877 set_border(scp->border); 878 return 0; 879 880 case KDSKBSTATE: /* set keyboard state (locks) */ 881 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 882 scp->status &= ~LOCK_KEY_MASK; 883 scp->status |= *data; 884 if (scp == cur_console) 885 update_leds(scp->status); 886 return 0; 887 } 888 return EINVAL; 889 890 case KDGKBSTATE: /* get keyboard state (locks) */ 891 *data = scp->status & LOCK_KEY_MASK; 892 return 0; 893 894 case KDSETRAD: /* set keyboard repeat & delay rates */ 895 if (*data & 0x80) 896 return EINVAL; 897 i = spltty(); 898 kbd_cmd(KB_SETRAD); 899 kbd_cmd(*data); 900 splx(i); 901 return 0; 902 903 case KDSKBMODE: /* set keyboard mode */ 904 switch (*data) { 905 case K_RAW: /* switch to RAW scancode mode */ 906 scp->status |= KBD_RAW_MODE; 907 return 0; 908 909 case K_XLATE: /* switch to XLT ascii mode */ 910 if (scp == cur_console && scp->status == KBD_RAW_MODE) 911 shfts = ctls = alts = agrs = metas = 0; 912 scp->status &= ~KBD_RAW_MODE; 913 return 0; 914 default: 915 return EINVAL; 916 } 917 /* NOT REACHED */ 918 919 case KDGKBMODE: /* get keyboard mode */ 920 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 921 return 0; 922 923 case KDMKTONE: /* sound the bell */ 924 if (*(int*)data) 925 do_bell(scp, (*(int*)data)&0xffff, 926 (((*(int*)data)>>16)&0xffff)*hz/1000); 927 else 928 do_bell(scp, scp->bell_pitch, scp->bell_duration); 929 return 0; 930 931 case KIOCSOUND: /* make tone (*data) hz */ 932 if (scp == cur_console) { 933 if (*(int*)data) { 934 int pitch = TIMER_FREQ/(*(int*)data); 935 936 /* set command for counter 2, 2 byte write */ 937 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 938 return EBUSY; 939 940 /* set pitch */ 941 outb(TIMER_CNTR2, pitch); 942 outb(TIMER_CNTR2, (pitch>>8)); 943 944 /* enable counter 2 output to speaker */ 945 outb(IO_PPI, inb(IO_PPI) | 3); 946 } 947 else { 948 /* disable counter 2 output to speaker */ 949 outb(IO_PPI, inb(IO_PPI) & 0xFC); 950 release_timer2(); 951 } 952 } 953 return 0; 954 955 case KDGKBTYPE: /* get keyboard type */ 956 *data = 0; /* type not known (yet) */ 957 return 0; 958 959 case KDSETLED: /* set keyboard LED status */ 960 if (*data >= 0 && *data <= LED_MASK) { 961 scp->status &= ~LED_MASK; 962 scp->status |= *data; 963 if (scp == cur_console) 964 update_leds(scp->status); 965 return 0; 966 } 967 return EINVAL; 968 969 case KDGETLED: /* get keyboard LED status */ 970 *data = scp->status & LED_MASK; 971 return 0; 972 973 case GETFKEY: /* get functionkey string */ 974 if (*(u_short*)data < n_fkey_tab) { 975 fkeyarg_t *ptr = (fkeyarg_t*)data; 976 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 977 fkey_tab[ptr->keynum].len); 978 ptr->flen = fkey_tab[ptr->keynum].len; 979 return 0; 980 } 981 else 982 return EINVAL; 983 984 case SETFKEY: /* set functionkey string */ 985 if (*(u_short*)data < n_fkey_tab) { 986 fkeyarg_t *ptr = (fkeyarg_t*)data; 987 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 988 min(ptr->flen, MAXFK)); 989 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 990 return 0; 991 } 992 else 993 return EINVAL; 994 995 case GIO_SCRNMAP: /* get output translation table */ 996 bcopy(&scr_map, data, sizeof(scr_map)); 997 return 0; 998 999 case PIO_SCRNMAP: /* set output translation table */ 1000 bcopy(data, &scr_map, sizeof(scr_map)); 1001 return 0; 1002 1003 case GIO_KEYMAP: /* get keyboard translation table */ 1004 bcopy(&key_map, data, sizeof(key_map)); 1005 return 0; 1006 1007 case PIO_KEYMAP: /* set keyboard translation table */ 1008 bcopy(data, &key_map, sizeof(key_map)); 1009 return 0; 1010 1011 case PIO_FONT8x8: /* set 8x8 dot font */ 1012 if (!crtc_vga) 1013 return ENXIO; 1014 bcopy(data, font_8, 8*256); 1015 fonts_loaded |= FONT_8; 1016 copy_font(LOAD, FONT_8, font_8); 1017 if (configuration & CHAR_CURSOR) 1018 set_destructive_cursor(scp, TRUE); 1019 return 0; 1020 1021 case GIO_FONT8x8: /* get 8x8 dot font */ 1022 if (!crtc_vga) 1023 return ENXIO; 1024 if (fonts_loaded & FONT_8) { 1025 bcopy(font_8, data, 8*256); 1026 return 0; 1027 } 1028 else 1029 return ENXIO; 1030 1031 case PIO_FONT8x14: /* set 8x14 dot font */ 1032 if (!crtc_vga) 1033 return ENXIO; 1034 bcopy(data, font_14, 14*256); 1035 fonts_loaded |= FONT_14; 1036 copy_font(LOAD, FONT_14, font_14); 1037 if (configuration & CHAR_CURSOR) 1038 set_destructive_cursor(scp, TRUE); 1039 return 0; 1040 1041 case GIO_FONT8x14: /* get 8x14 dot font */ 1042 if (!crtc_vga) 1043 return ENXIO; 1044 if (fonts_loaded & FONT_14) { 1045 bcopy(font_14, data, 14*256); 1046 return 0; 1047 } 1048 else 1049 return ENXIO; 1050 1051 case PIO_FONT8x16: /* set 8x16 dot font */ 1052 if (!crtc_vga) 1053 return ENXIO; 1054 bcopy(data, font_16, 16*256); 1055 fonts_loaded |= FONT_16; 1056 copy_font(LOAD, FONT_16, font_16); 1057 if (configuration & CHAR_CURSOR) 1058 set_destructive_cursor(scp, TRUE); 1059 return 0; 1060 1061 case GIO_FONT8x16: /* get 8x16 dot font */ 1062 if (!crtc_vga) 1063 return ENXIO; 1064 if (fonts_loaded & FONT_16) { 1065 bcopy(font_16, data, 16*256); 1066 return 0; 1067 } 1068 else 1069 return ENXIO; 1070 default: 1071 break; 1072 } 1073 1074 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1075 if (error >= 0) 1076 return(error); 1077 error = ttioctl(tp, cmd, data, flag); 1078 if (error >= 0) 1079 return(error); 1080 return(ENOTTY); 1081 } 1082 1083 void 1084 scxint(dev_t dev) 1085 { 1086 struct tty *tp = scdevtotty(dev); 1087 1088 if (!tp) 1089 return; 1090 tp->t_state &= ~TS_BUSY; 1091 if (tp->t_line) 1092 (*linesw[tp->t_line].l_start)(tp); 1093 else 1094 scstart(tp); 1095 } 1096 1097 void 1098 scstart(struct tty *tp) 1099 { 1100 struct clist *rbp; 1101 int i, s, len; 1102 u_char buf[PCBURST]; 1103 scr_stat *scp = get_scr_stat(tp->t_dev); 1104 1105 if (scp->status & SLKED || blink_in_progress) 1106 return; 1107 s = spltty(); 1108 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1109 tp->t_state |= TS_BUSY; 1110 splx(s); 1111 rbp = &tp->t_outq; 1112 while (rbp->c_cc) { 1113 len = q_to_b(rbp, buf, PCBURST); 1114 ansi_put(scp, buf, len); 1115 } 1116 s = spltty(); 1117 tp->t_state &= ~TS_BUSY; 1118 if (rbp->c_cc <= tp->t_lowat) { 1119 if (tp->t_state & TS_ASLEEP) { 1120 tp->t_state &= ~TS_ASLEEP; 1121 wakeup((caddr_t)rbp); 1122 } 1123 selwakeup(&tp->t_wsel); 1124 } 1125 } 1126 splx(s); 1127 } 1128 1129 void 1130 pccnprobe(struct consdev *cp) 1131 { 1132 int maj; 1133 1134 /* locate the major number */ 1135 for (maj = 0; maj < nchrdev; maj++) 1136 if ((void*)cdevsw[maj].d_open == (void*)scopen) 1137 break; 1138 1139 /* initialize required fields */ 1140 cp->cn_dev = makedev(maj, MAXCONS); 1141 cp->cn_pri = CN_INTERNAL; 1142 } 1143 1144 void 1145 pccninit(struct consdev *cp) 1146 { 1147 scinit(); 1148 } 1149 1150 void 1151 pccnputc(dev_t dev, int c) 1152 { 1153 u_char buf[1]; 1154 scr_stat *scp = console[0]; 1155 term_stat save = scp->term; 1156 1157 scp->term = kernel_console; 1158 current_default = &kernel_default; 1159 if (scp->scr_buf == Crtat) 1160 draw_cursor(scp, FALSE); 1161 if (c == '\n') 1162 ansi_put(scp, "\r\n", 2); 1163 else { 1164 buf[0] = c; 1165 ansi_put(scp, buf, 1); 1166 } 1167 kernel_console = scp->term; 1168 current_default = &user_default; 1169 scp->term = save; 1170 if (scp == cur_console /* && scrn_timer not running */) { 1171 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1172 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1173 (1 + scp->end - scp->start) * sizeof(u_short)); 1174 scp->start = scp->xsize * scp->ysize; 1175 scp->end = 0; 1176 scp->status &= ~CURSOR_SHOWN; 1177 } 1178 draw_cursor(scp, TRUE); 1179 } 1180 } 1181 1182 int 1183 pccngetc(dev_t dev) 1184 { 1185 int s = spltty(); /* block scintr while we poll */ 1186 int c = scgetc(0); 1187 splx(s); 1188 return(c); 1189 } 1190 1191 int 1192 pccncheckc(dev_t dev) 1193 { 1194 return (scgetc(1) & 0xff); 1195 } 1196 1197 static void 1198 scrn_timer() 1199 { 1200 static int cursor_blinkrate; 1201 scr_stat *scp = cur_console; 1202 1203 /* should we just return ? */ 1204 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1205 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1206 return; 1207 } 1208 1209 if (!scrn_blanked) { 1210 /* update screen image */ 1211 if (scp->start <= scp->end) { 1212 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1213 (1 + scp->end - scp->start) * sizeof(u_short)); 1214 scp->status &= ~CURSOR_SHOWN; 1215 scp->start = scp->xsize * scp->ysize; 1216 scp->end = 0; 1217 } 1218 /* update "pseudo" mouse arrow */ 1219 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE)) 1220 draw_mouse_image(scp); 1221 1222 /* update cursor image */ 1223 if (scp->status & CURSOR_ENABLED) 1224 draw_cursor(scp, 1225 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1226 } 1227 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1228 (*current_saver)(TRUE); 1229 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1230 } 1231 1232 static void 1233 clear_screen(scr_stat *scp) 1234 { 1235 move_crsr(scp, 0, 0); 1236 fillw(scp->term.cur_attr | scr_map[0x20], scp->scr_buf, 1237 scp->xsize * scp->ysize); 1238 mark_all(scp); 1239 } 1240 1241 static int 1242 switch_scr(scr_stat *scp, u_int next_scr) 1243 { 1244 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1245 switch_in_progress = FALSE; 1246 1247 if (next_scr >= MAXCONS || switch_in_progress || 1248 (cur_console->smode.mode == VT_AUTO 1249 && cur_console->status & UNKNOWN_MODE)) { 1250 do_bell(scp, BELL_PITCH, BELL_DURATION); 1251 return EINVAL; 1252 } 1253 1254 /* is the wanted virtual console open ? */ 1255 if (next_scr) { 1256 struct tty *tp = VIRTUAL_TTY(next_scr); 1257 if (!(tp->t_state & TS_ISOPEN)) { 1258 do_bell(scp, BELL_PITCH, BELL_DURATION); 1259 return EINVAL; 1260 } 1261 } 1262 /* delay switch if actively updating screen */ 1263 if (write_in_progress || blink_in_progress) { 1264 delayed_next_scr = next_scr+1; 1265 return 0; 1266 } 1267 switch_in_progress = TRUE; 1268 old_scp = cur_console; 1269 new_scp = console[next_scr]; 1270 wakeup((caddr_t)&new_scp->smode); 1271 if (new_scp == old_scp) { 1272 switch_in_progress = FALSE; 1273 delayed_next_scr = FALSE; 1274 return 0; 1275 } 1276 1277 /* has controlling process died? */ 1278 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1279 old_scp->smode.mode = VT_AUTO; 1280 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1281 new_scp->smode.mode = VT_AUTO; 1282 1283 /* check the modes and switch approbiatly */ 1284 if (old_scp->smode.mode == VT_PROCESS) { 1285 old_scp->status |= SWITCH_WAIT_REL; 1286 psignal(old_scp->proc, old_scp->smode.relsig); 1287 } 1288 else { 1289 exchange_scr(); 1290 if (new_scp->smode.mode == VT_PROCESS) { 1291 new_scp->status |= SWITCH_WAIT_ACQ; 1292 psignal(new_scp->proc, new_scp->smode.acqsig); 1293 } 1294 else 1295 switch_in_progress = FALSE; 1296 } 1297 return 0; 1298 } 1299 1300 static void 1301 exchange_scr(void) 1302 { 1303 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1304 cur_console = new_scp; 1305 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1306 if (crtc_vga && video_mode_ptr) 1307 set_mode(new_scp); 1308 } 1309 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1310 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1311 if (fonts_loaded & FONT_8) 1312 copy_font(LOAD, FONT_8, font_8); 1313 if (fonts_loaded & FONT_14) 1314 copy_font(LOAD, FONT_14, font_14); 1315 if (fonts_loaded & FONT_16) 1316 copy_font(LOAD, FONT_16, font_16); 1317 if (configuration & CHAR_CURSOR) 1318 set_destructive_cursor(new_scp, TRUE); 1319 load_palette(); 1320 } 1321 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1322 shfts = ctls = alts = agrs = metas = 0; 1323 update_leds(new_scp->status); 1324 delayed_next_scr = FALSE; 1325 bcopyw(new_scp->scr_buf, Crtat, 1326 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1327 new_scp->status &= ~CURSOR_SHOWN; 1328 } 1329 1330 static inline void 1331 move_crsr(scr_stat *scp, int x, int y) 1332 { 1333 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1334 return; 1335 scp->xpos = x; 1336 scp->ypos = y; 1337 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1338 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 1339 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1340 } 1341 1342 static void 1343 scan_esc(scr_stat *scp, u_char c) 1344 { 1345 static u_char ansi_col[16] = 1346 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1347 int i, n; 1348 u_short *src, *dst, count; 1349 1350 if (scp->term.esc == 1) { 1351 switch (c) { 1352 1353 case '[': /* Start ESC [ sequence */ 1354 scp->term.esc = 2; 1355 scp->term.last_param = -1; 1356 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1357 scp->term.param[i] = 1; 1358 scp->term.num_param = 0; 1359 return; 1360 1361 case 'M': /* Move cursor up 1 line, scroll if at top */ 1362 if (scp->ypos > 0) 1363 move_crsr(scp, scp->xpos, scp->ypos - 1); 1364 else { 1365 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1366 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1367 fillw(scp->term.cur_attr | scr_map[0x20], 1368 scp->scr_buf, scp->xsize); 1369 mark_all(scp); 1370 } 1371 break; 1372 #if notyet 1373 case 'Q': 1374 scp->term.esc = 4; 1375 break; 1376 #endif 1377 case 'c': /* Clear screen & home */ 1378 clear_screen(scp); 1379 break; 1380 } 1381 } 1382 else if (scp->term.esc == 2) { 1383 if (c >= '0' && c <= '9') { 1384 if (scp->term.num_param < MAX_ESC_PAR) { 1385 if (scp->term.last_param != scp->term.num_param) { 1386 scp->term.last_param = scp->term.num_param; 1387 scp->term.param[scp->term.num_param] = 0; 1388 } 1389 else 1390 scp->term.param[scp->term.num_param] *= 10; 1391 scp->term.param[scp->term.num_param] += c - '0'; 1392 return; 1393 } 1394 } 1395 scp->term.num_param = scp->term.last_param + 1; 1396 switch (c) { 1397 1398 case ';': 1399 if (scp->term.num_param < MAX_ESC_PAR) 1400 return; 1401 break; 1402 1403 case '=': 1404 scp->term.esc = 3; 1405 scp->term.last_param = -1; 1406 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1407 scp->term.param[i] = 1; 1408 scp->term.num_param = 0; 1409 return; 1410 1411 case 'A': /* up n rows */ 1412 n = scp->term.param[0]; if (n < 1) n = 1; 1413 move_crsr(scp, scp->xpos, scp->ypos - n); 1414 break; 1415 1416 case 'B': /* down n rows */ 1417 n = scp->term.param[0]; if (n < 1) n = 1; 1418 move_crsr(scp, scp->xpos, scp->ypos + n); 1419 break; 1420 1421 case 'C': /* right n columns */ 1422 n = scp->term.param[0]; if (n < 1) n = 1; 1423 move_crsr(scp, scp->xpos + n, scp->ypos); 1424 break; 1425 1426 case 'D': /* left n columns */ 1427 n = scp->term.param[0]; if (n < 1) n = 1; 1428 move_crsr(scp, scp->xpos - n, scp->ypos); 1429 break; 1430 1431 case 'E': /* cursor to start of line n lines down */ 1432 n = scp->term.param[0]; if (n < 1) n = 1; 1433 move_crsr(scp, 0, scp->ypos + n); 1434 break; 1435 1436 case 'F': /* cursor to start of line n lines up */ 1437 n = scp->term.param[0]; if (n < 1) n = 1; 1438 move_crsr(scp, 0, scp->ypos - n); 1439 break; 1440 1441 case 'f': /* Cursor move */ 1442 case 'H': 1443 if (scp->term.num_param == 0) 1444 move_crsr(scp, 0, 0); 1445 else if (scp->term.num_param == 2) 1446 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1447 break; 1448 1449 case 'J': /* Clear all or part of display */ 1450 if (scp->term.num_param == 0) 1451 n = 0; 1452 else 1453 n = scp->term.param[0]; 1454 switch (n) { 1455 case 0: /* clear form cursor to end of display */ 1456 fillw(scp->term.cur_attr | scr_map[0x20], 1457 scp->cursor_pos, 1458 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1459 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1460 mark_for_update(scp, scp->xsize * scp->ysize); 1461 break; 1462 case 1: /* clear from beginning of display to cursor */ 1463 fillw(scp->term.cur_attr | scr_map[0x20], 1464 scp->scr_buf, 1465 scp->cursor_pos - scp->scr_buf); 1466 mark_for_update(scp, 0); 1467 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1468 break; 1469 case 2: /* clear entire display */ 1470 clear_screen(scp); 1471 break; 1472 } 1473 break; 1474 1475 case 'K': /* Clear all or part of line */ 1476 if (scp->term.num_param == 0) 1477 n = 0; 1478 else 1479 n = scp->term.param[0]; 1480 switch (n) { 1481 case 0: /* clear form cursor to end of line */ 1482 fillw(scp->term.cur_attr | scr_map[0x20], 1483 scp->cursor_pos, 1484 scp->xsize - scp->xpos); 1485 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1486 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1487 scp->xsize - scp->xpos); 1488 break; 1489 case 1: /* clear from beginning of line to cursor */ 1490 fillw(scp->term.cur_attr|scr_map[0x20], 1491 scp->cursor_pos - (scp->xsize - scp->xpos), 1492 (scp->xsize - scp->xpos) + 1); 1493 mark_for_update(scp, scp->ypos * scp->xsize); 1494 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1495 break; 1496 case 2: /* clear entire line */ 1497 fillw(scp->term.cur_attr|scr_map[0x20], 1498 scp->cursor_pos - (scp->xsize - scp->xpos), 1499 scp->xsize); 1500 mark_for_update(scp, scp->ypos * scp->xsize); 1501 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1502 break; 1503 } 1504 break; 1505 1506 case 'L': /* Insert n lines */ 1507 n = scp->term.param[0]; if (n < 1) n = 1; 1508 if (n > scp->ysize - scp->ypos) 1509 n = scp->ysize - scp->ypos; 1510 src = scp->scr_buf + scp->ypos * scp->xsize; 1511 dst = src + n * scp->xsize; 1512 count = scp->ysize - (scp->ypos + n); 1513 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1514 fillw(scp->term.cur_attr | scr_map[0x20], src, 1515 n * scp->xsize); 1516 mark_for_update(scp, scp->ypos * scp->xsize); 1517 mark_for_update(scp, scp->xsize * scp->ysize); 1518 break; 1519 1520 case 'M': /* Delete n lines */ 1521 n = scp->term.param[0]; if (n < 1) n = 1; 1522 if (n > scp->ysize - scp->ypos) 1523 n = scp->ysize - scp->ypos; 1524 dst = scp->scr_buf + scp->ypos * scp->xsize; 1525 src = dst + n * scp->xsize; 1526 count = scp->ysize - (scp->ypos + n); 1527 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1528 src = dst + count * scp->xsize; 1529 fillw(scp->term.cur_attr | scr_map[0x20], src, 1530 n * scp->xsize); 1531 mark_for_update(scp, scp->ypos * scp->xsize); 1532 mark_for_update(scp, scp->xsize * scp->ysize); 1533 break; 1534 1535 case 'P': /* Delete n chars */ 1536 n = scp->term.param[0]; if (n < 1) n = 1; 1537 if (n > scp->xsize - scp->xpos) 1538 n = scp->xsize - scp->xpos; 1539 dst = scp->cursor_pos; 1540 src = dst + n; 1541 count = scp->xsize - (scp->xpos + n); 1542 bcopyw(src, dst, count * sizeof(u_short)); 1543 src = dst + count; 1544 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1545 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1546 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1547 break; 1548 1549 case '@': /* Insert n chars */ 1550 n = scp->term.param[0]; if (n < 1) n = 1; 1551 if (n > scp->xsize - scp->xpos) 1552 n = scp->xsize - scp->xpos; 1553 src = scp->cursor_pos; 1554 dst = src + n; 1555 count = scp->xsize - (scp->xpos + n); 1556 bcopyw(src, dst, count * sizeof(u_short)); 1557 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1558 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1559 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1560 break; 1561 1562 case 'S': /* scroll up n lines */ 1563 n = scp->term.param[0]; if (n < 1) n = 1; 1564 if (n > scp->ysize) 1565 n = scp->ysize; 1566 bcopyw(scp->scr_buf + (scp->xsize * n), 1567 scp->scr_buf, 1568 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1569 fillw(scp->term.cur_attr | scr_map[0x20], 1570 scp->scr_buf + scp->xsize * (scp->ysize - n), 1571 scp->xsize * n); 1572 mark_all(scp); 1573 break; 1574 1575 case 'T': /* scroll down n lines */ 1576 n = scp->term.param[0]; if (n < 1) n = 1; 1577 if (n > scp->ysize) 1578 n = scp->ysize; 1579 bcopyw(scp->scr_buf, 1580 scp->scr_buf + (scp->xsize * n), 1581 scp->xsize * (scp->ysize - n) * 1582 sizeof(u_short)); 1583 fillw(scp->term.cur_attr | scr_map[0x20], 1584 scp->scr_buf, scp->xsize * n); 1585 mark_all(scp); 1586 break; 1587 1588 case 'X': /* erase n characters in line */ 1589 n = scp->term.param[0]; if (n < 1) n = 1; 1590 if (n > scp->xsize - scp->xpos) 1591 n = scp->xsize - scp->xpos; 1592 fillw(scp->term.cur_attr | scr_map[0x20], 1593 scp->scr_buf + scp->xpos + 1594 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1595 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1596 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1597 break; 1598 1599 case 'Z': /* move n tabs backwards */ 1600 n = scp->term.param[0]; if (n < 1) n = 1; 1601 if ((i = scp->xpos & 0xf8) == scp->xpos) 1602 i -= 8*n; 1603 else 1604 i -= 8*(n-1); 1605 if (i < 0) 1606 i = 0; 1607 move_crsr(scp, i, scp->ypos); 1608 break; 1609 1610 case '`': /* move cursor to column n */ 1611 n = scp->term.param[0]; if (n < 1) n = 1; 1612 move_crsr(scp, n - 1, scp->ypos); 1613 break; 1614 1615 case 'a': /* move cursor n columns to the right */ 1616 n = scp->term.param[0]; if (n < 1) n = 1; 1617 move_crsr(scp, scp->xpos + n, scp->ypos); 1618 break; 1619 1620 case 'd': /* move cursor to row n */ 1621 n = scp->term.param[0]; if (n < 1) n = 1; 1622 move_crsr(scp, scp->xpos, n - 1); 1623 break; 1624 1625 case 'e': /* move cursor n rows down */ 1626 n = scp->term.param[0]; if (n < 1) n = 1; 1627 move_crsr(scp, scp->xpos, scp->ypos + n); 1628 break; 1629 1630 case 'm': /* change attribute */ 1631 if (scp->term.num_param == 0) { 1632 scp->term.cur_attr = scp->term.std_attr; 1633 break; 1634 } 1635 for (i = 0; i < scp->term.num_param; i++) { 1636 switch (n = scp->term.param[i]) { 1637 case 0: /* back to normal */ 1638 scp->term.cur_attr = scp->term.std_attr; 1639 break; 1640 case 1: /* highlight (bold) */ 1641 scp->term.cur_attr &= 0xFF00; 1642 scp->term.cur_attr |= 0x0800; 1643 break; 1644 case 4: /* highlight (underline) */ 1645 scp->term.cur_attr &= 0xFF00; 1646 scp->term.cur_attr |= 0x0800; 1647 break; 1648 case 5: /* blink */ 1649 scp->term.cur_attr &= 0xFF00; 1650 scp->term.cur_attr |= 0x8000; 1651 break; 1652 case 7: /* reverse video */ 1653 scp->term.cur_attr = scp->term.rev_attr; 1654 break; 1655 case 30: case 31: /* set fg color */ 1656 case 32: case 33: case 34: 1657 case 35: case 36: case 37: 1658 scp->term.cur_attr = 1659 (scp->term.cur_attr&0xF8FF) | (ansi_col[(n-30)&7]<<8); 1660 break; 1661 case 40: case 41: /* set bg color */ 1662 case 42: case 43: case 44: 1663 case 45: case 46: case 47: 1664 scp->term.cur_attr = 1665 (scp->term.cur_attr&0x8FFF) | (ansi_col[(n-40)&7]<<12); 1666 break; 1667 } 1668 } 1669 break; 1670 1671 case 'x': 1672 if (scp->term.num_param == 0) 1673 n = 0; 1674 else 1675 n = scp->term.param[0]; 1676 switch (n) { 1677 case 0: /* reset attributes */ 1678 scp->term.cur_attr = scp->term.std_attr = 1679 current_default->std_attr; 1680 scp->term.rev_attr = current_default->rev_attr; 1681 break; 1682 case 1: /* set ansi background */ 1683 scp->term.cur_attr = scp->term.std_attr = 1684 (scp->term.std_attr & 0x0F00) | 1685 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1686 break; 1687 case 2: /* set ansi foreground */ 1688 scp->term.cur_attr = scp->term.std_attr = 1689 (scp->term.std_attr & 0xF000) | 1690 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1691 break; 1692 case 3: /* set ansi attribute directly */ 1693 scp->term.cur_attr = scp->term.std_attr = 1694 (scp->term.param[1]&0xFF)<<8; 1695 break; 1696 case 5: /* set ansi reverse video background */ 1697 scp->term.rev_attr = 1698 (scp->term.rev_attr & 0x0F00) | 1699 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1700 break; 1701 case 6: /* set ansi reverse video foreground */ 1702 scp->term.rev_attr = 1703 (scp->term.rev_attr & 0xF000) | 1704 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1705 break; 1706 case 7: /* set ansi reverse video directly */ 1707 scp->term.rev_attr = 1708 (scp->term.param[1]&0xFF)<<8; 1709 break; 1710 } 1711 break; 1712 1713 case 'z': /* switch to (virtual) console n */ 1714 if (scp->term.num_param == 1) 1715 switch_scr(scp, scp->term.param[0]); 1716 break; 1717 } 1718 } 1719 else if (scp->term.esc == 3) { 1720 if (c >= '0' && c <= '9') { 1721 if (scp->term.num_param < MAX_ESC_PAR) { 1722 if (scp->term.last_param != scp->term.num_param) { 1723 scp->term.last_param = scp->term.num_param; 1724 scp->term.param[scp->term.num_param] = 0; 1725 } 1726 else 1727 scp->term.param[scp->term.num_param] *= 10; 1728 scp->term.param[scp->term.num_param] += c - '0'; 1729 return; 1730 } 1731 } 1732 scp->term.num_param = scp->term.last_param + 1; 1733 switch (c) { 1734 1735 case ';': 1736 if (scp->term.num_param < MAX_ESC_PAR) 1737 return; 1738 break; 1739 1740 case 'A': /* set display border color */ 1741 if (scp->term.num_param == 1) 1742 scp->border=scp->term.param[0] & 0xff; 1743 if (scp == cur_console) 1744 set_border(scp->border); 1745 break; 1746 1747 case 'B': /* set bell pitch and duration */ 1748 if (scp->term.num_param == 2) { 1749 scp->bell_pitch = scp->term.param[0]; 1750 scp->bell_duration = scp->term.param[1]*10; 1751 } 1752 break; 1753 1754 case 'C': /* set cursor type & shape */ 1755 if (scp->term.num_param == 1) { 1756 if (scp->term.param[0] & 0x01) 1757 configuration |= BLINK_CURSOR; 1758 else 1759 configuration &= ~BLINK_CURSOR; 1760 if (scp->term.param[0] & 0x02) { 1761 configuration |= CHAR_CURSOR; 1762 set_destructive_cursor(scp, TRUE); 1763 } else 1764 configuration &= ~CHAR_CURSOR; 1765 } 1766 else if (scp->term.num_param == 2) { 1767 scp->cursor_start = scp->term.param[0] & 0x1F; 1768 scp->cursor_end = scp->term.param[1] & 0x1F; 1769 if (configuration & CHAR_CURSOR) 1770 set_destructive_cursor(scp, TRUE); 1771 } 1772 break; 1773 1774 case 'F': /* set ansi foreground */ 1775 if (scp->term.num_param == 1) 1776 scp->term.cur_attr = scp->term.std_attr = 1777 (scp->term.std_attr & 0xF000) 1778 | ((scp->term.param[0] & 0x0F) << 8); 1779 break; 1780 1781 case 'G': /* set ansi background */ 1782 if (scp->term.num_param == 1) 1783 scp->term.cur_attr = scp->term.std_attr = 1784 (scp->term.std_attr & 0x0F00) 1785 | ((scp->term.param[0] & 0x0F) << 12); 1786 break; 1787 1788 case 'H': /* set ansi reverse video foreground */ 1789 if (scp->term.num_param == 1) 1790 scp->term.rev_attr = 1791 (scp->term.rev_attr & 0xF000) 1792 | ((scp->term.param[0] & 0x0F) << 8); 1793 break; 1794 1795 case 'I': /* set ansi reverse video background */ 1796 if (scp->term.num_param == 1) 1797 scp->term.rev_attr = 1798 (scp->term.rev_attr & 0x0F00) 1799 | ((scp->term.param[0] & 0x0F) << 12); 1800 break; 1801 } 1802 } 1803 scp->term.esc = 0; 1804 } 1805 1806 static inline void 1807 draw_cursor(scr_stat *scp, int show) 1808 { 1809 if (show && !(scp->status & CURSOR_SHOWN)) { 1810 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 1811 1812 scp->cursor_saveunder = cursor_image; 1813 if (configuration & CHAR_CURSOR) { 1814 set_destructive_cursor(scp, FALSE); 1815 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 1816 } 1817 else { 1818 if ((cursor_image & 0x7000) == 0x7000) { 1819 cursor_image &= 0x8fff; 1820 if(!(cursor_image & 0x0700)) 1821 cursor_image |= 0x0700; 1822 } else { 1823 cursor_image |= 0x7000; 1824 if ((cursor_image & 0x0700) == 0x0700) 1825 cursor_image &= 0xf0ff; 1826 } 1827 } 1828 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 1829 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1830 scp->status |= CURSOR_SHOWN; 1831 } 1832 if (!show && (scp->status & CURSOR_SHOWN)) { 1833 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 1834 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1835 scp->status &= ~CURSOR_SHOWN; 1836 } 1837 } 1838 1839 static void 1840 ansi_put(scr_stat *scp, u_char *buf, int len) 1841 { 1842 u_char *ptr = buf; 1843 1844 if (scp->status & UNKNOWN_MODE) 1845 return; 1846 1847 /* make screensaver happy */ 1848 if (scp == cur_console) { 1849 scrn_time_stamp = time.tv_sec; 1850 if (scrn_blanked) { 1851 (*current_saver)(FALSE); 1852 cur_console->start = 0; 1853 cur_console->end = cur_console->xsize * cur_console->ysize; 1854 } 1855 } 1856 write_in_progress++; 1857 outloop: 1858 if (scp->term.esc) { 1859 scan_esc(scp, *ptr++); 1860 len--; 1861 } 1862 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1863 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1864 u_short cur_attr = scp->term.cur_attr; 1865 u_short *cursor_pos = scp->cursor_pos; 1866 do { 1867 *cursor_pos++ = (scr_map[*ptr++] | cur_attr); 1868 cnt--; 1869 } while (cnt && PRINTABLE(*ptr)); 1870 len -= (cursor_pos - scp->cursor_pos); 1871 scp->xpos += (cursor_pos - scp->cursor_pos); 1872 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1873 mark_for_update(scp, cursor_pos - scp->scr_buf); 1874 scp->cursor_pos = cursor_pos; 1875 if (scp->xpos >= scp->xsize) { 1876 scp->xpos = 0; 1877 scp->ypos++; 1878 } 1879 } 1880 else { 1881 switch(*ptr) { 1882 case 0x07: 1883 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1884 break; 1885 1886 case 0x08: /* non-destructive backspace */ 1887 if (scp->cursor_pos > scp->scr_buf) { 1888 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1889 scp->cursor_pos--; 1890 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1891 if (scp->xpos > 0) 1892 scp->xpos--; 1893 else { 1894 scp->xpos += scp->xsize - 1; 1895 scp->ypos--; 1896 } 1897 } 1898 break; 1899 1900 case 0x09: /* non-destructive tab */ 1901 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1902 scp->cursor_pos += (8 - scp->xpos % 8u); 1903 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1904 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 1905 scp->xpos = 0; 1906 scp->ypos++; 1907 } 1908 break; 1909 1910 case 0x0a: /* newline, same pos */ 1911 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1912 scp->cursor_pos += scp->xsize; 1913 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1914 scp->ypos++; 1915 break; 1916 1917 case 0x0c: /* form feed, clears screen */ 1918 clear_screen(scp); 1919 break; 1920 1921 case 0x0d: /* return, return to pos 0 */ 1922 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1923 scp->cursor_pos -= scp->xpos; 1924 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1925 scp->xpos = 0; 1926 break; 1927 1928 case 0x1b: /* start escape sequence */ 1929 scp->term.esc = 1; 1930 scp->term.num_param = 0; 1931 break; 1932 } 1933 ptr++; len--; 1934 } 1935 /* do we have to scroll ?? */ 1936 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 1937 if (scp->history) { 1938 bcopyw(scp->scr_buf, scp->history_head, 1939 scp->xsize * sizeof(u_short)); 1940 scp->history_head += scp->xsize; 1941 if (scp->history_head + scp->xsize > 1942 scp->history + scp->history_size) 1943 scp->history_head = scp->history; 1944 } 1945 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 1946 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 1947 fillw(scp->term.cur_attr | scr_map[0x20], 1948 scp->scr_buf + scp->xsize * (scp->ysize - 1), 1949 scp->xsize); 1950 scp->cursor_pos -= scp->xsize; 1951 scp->ypos--; 1952 mark_all(scp); 1953 } 1954 if (len) 1955 goto outloop; 1956 write_in_progress--; 1957 if (delayed_next_scr) 1958 switch_scr(scp, delayed_next_scr - 1); 1959 } 1960 1961 static void 1962 scinit(void) 1963 { 1964 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1965 unsigned hw_cursor; 1966 int i; 1967 1968 if (init_done) 1969 return; 1970 init_done = TRUE; 1971 /* 1972 * Crtat initialized to point to MONO buffer, if not present change 1973 * to CGA_BUF offset. ONLY add the difference since locore.s adds 1974 * in the remapped offset at the "right" time 1975 */ 1976 was = *cp; 1977 *cp = (u_short) 0xA55A; 1978 if (*cp != 0xA55A) 1979 crtc_addr = MONO_BASE; 1980 else { 1981 *cp = was; 1982 crtc_addr = COLOR_BASE; 1983 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1984 } 1985 1986 /* extract cursor location */ 1987 outb(crtc_addr, 14); 1988 hw_cursor = inb(crtc_addr + 1) << 8; 1989 outb(crtc_addr, 15); 1990 hw_cursor |= inb(crtc_addr + 1); 1991 1992 /* move hardware cursor out of the way */ 1993 outb(crtc_addr, 14); 1994 outb(crtc_addr + 1, 0xff); 1995 outb(crtc_addr, 15); 1996 outb(crtc_addr + 1, 0xff); 1997 1998 /* is this a VGA or higher ? */ 1999 outb(crtc_addr, 7); 2000 if (inb(crtc_addr) == 7) { 2001 u_long pa; 2002 u_long segoff; 2003 2004 crtc_vga = TRUE; 2005 /* 2006 * Get the BIOS video mode pointer. 2007 */ 2008 segoff = *(u_long *)pa_to_va(0x4a8); 2009 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2010 if (ISMAPPED(pa, sizeof(u_long))) { 2011 segoff = *(u_long *)pa_to_va(pa); 2012 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2013 if (ISMAPPED(pa, 64)) 2014 video_mode_ptr = (char *)pa_to_va(pa); 2015 } 2016 } 2017 current_default = &user_default; 2018 console[0] = &main_console; 2019 init_scp(console[0]); 2020 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2021 console[0]->cursor_pos = Crtat + hw_cursor; 2022 console[0]->xpos = hw_cursor % COL; 2023 console[0]->ypos = hw_cursor / COL; 2024 cur_console = console[0]; 2025 for (i=1; i<MAXCONS; i++) 2026 console[i] = NULL; 2027 kernel_console.esc = 0; 2028 kernel_console.std_attr = kernel_default.std_attr; 2029 kernel_console.rev_attr = kernel_default.rev_attr; 2030 kernel_console.cur_attr = kernel_default.std_attr; 2031 /* initialize mapscrn array to a one to one map */ 2032 for (i=0; i<sizeof(scr_map); i++) 2033 scr_map[i] = i; 2034 } 2035 2036 static scr_stat 2037 *alloc_scp() 2038 { 2039 scr_stat *scp; 2040 2041 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_NOWAIT); 2042 init_scp(scp); 2043 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 2044 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2045 M_DEVBUF, M_NOWAIT); 2046 scp->history_head = scp->history_pos = scp->history = 2047 (u_short *)malloc(scp->history_size*sizeof(u_short), 2048 M_DEVBUF, M_NOWAIT); 2049 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2050 if (crtc_vga && video_mode_ptr) 2051 set_mode(scp); 2052 clear_screen(scp); 2053 return scp; 2054 } 2055 2056 static void 2057 init_scp(scr_stat *scp) 2058 { 2059 scp->mode = M_VGA_C80x25; 2060 scp->font = FONT_16; 2061 scp->xsize = COL; 2062 scp->ysize = ROW; 2063 scp->start = COL * ROW; 2064 scp->end = 0; 2065 scp->term.esc = 0; 2066 scp->term.std_attr = current_default->std_attr; 2067 scp->term.rev_attr = current_default->rev_attr; 2068 scp->term.cur_attr = scp->term.std_attr; 2069 scp->border = BG_BLACK; 2070 scp->cursor_start = *(char *)pa_to_va(0x461); 2071 scp->cursor_end = *(char *)pa_to_va(0x460); 2072 scp->mouse_xpos = scp->mouse_ypos = 0; 2073 scp->bell_pitch = BELL_PITCH; 2074 scp->bell_duration = BELL_DURATION; 2075 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2076 scp->status |= CURSOR_ENABLED; 2077 scp->pid = 0; 2078 scp->proc = NULL; 2079 scp->smode.mode = VT_AUTO; 2080 scp->history_head = scp->history_pos = scp->history = NULL; 2081 scp->history_size = HISTORY_SIZE; 2082 } 2083 2084 static u_char 2085 *get_fstr(u_int c, u_int *len) 2086 { 2087 u_int i; 2088 2089 if (!(c & FKEY)) 2090 return(NULL); 2091 i = (c & 0xFF) - F_FN; 2092 if (i > n_fkey_tab) 2093 return(NULL); 2094 *len = fkey_tab[i].len; 2095 return(fkey_tab[i].str); 2096 } 2097 2098 static void 2099 update_leds(int which) 2100 { 2101 int s; 2102 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2103 2104 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2105 if (key_map.n_keys > ALTGR_OFFSET) { 2106 if (which & ALKED) 2107 which |= CLKED; 2108 else 2109 which &= ~CLKED; 2110 } 2111 s = spltty(); 2112 kbd_cmd(KB_SETLEDS); 2113 kbd_cmd(xlate_leds[which & LED_MASK]); 2114 splx(s); 2115 } 2116 2117 static void 2118 history_to_screen(scr_stat *scp) 2119 { 2120 int i; 2121 2122 for (i=0; i<scp->ysize; i++) 2123 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2124 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2125 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2126 scp->xsize * sizeof(u_short)); 2127 mark_all(scp); 2128 } 2129 2130 static int 2131 history_up_line(scr_stat *scp) 2132 { 2133 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2134 scp->history_head) { 2135 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2136 history_to_screen(scp); 2137 return 0; 2138 } 2139 else 2140 return -1; 2141 } 2142 2143 static int 2144 history_down_line(scr_stat *scp) 2145 { 2146 if (scp->history_pos != scp->history_head) { 2147 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2148 history_to_screen(scp); 2149 return 0; 2150 } 2151 else 2152 return -1; 2153 } 2154 2155 /* 2156 * scgetc(noblock) - get character from keyboard. 2157 * If noblock = 0 wait until a key is pressed. 2158 * Else return NOKEY. 2159 */ 2160 u_int 2161 scgetc(int noblock) 2162 { 2163 u_char scancode, keycode; 2164 u_int state, action; 2165 struct key_t *key; 2166 static u_char esc_flag = 0, compose = 0; 2167 static u_int chr = 0; 2168 2169 next_code: 2170 kbd_wait(); 2171 /* First see if there is something in the keyboard port */ 2172 if (inb(KB_STAT) & KB_BUF_FULL) 2173 scancode = inb(KB_DATA); 2174 else if (noblock) 2175 return(NOKEY); 2176 else 2177 goto next_code; 2178 2179 if (cur_console->status & KBD_RAW_MODE) 2180 return scancode; 2181 #if ASYNCH 2182 if (scancode == KB_ACK || scancode == KB_RESEND) { 2183 kbd_reply = scancode; 2184 if (noblock) 2185 return(NOKEY); 2186 goto next_code; 2187 } 2188 #endif 2189 keycode = scancode & 0x7F; 2190 switch (esc_flag) { 2191 case 0x00: /* normal scancode */ 2192 switch(scancode) { 2193 case 0xB8: /* left alt (compose key) */ 2194 if (compose) { 2195 compose = 0; 2196 if (chr > 255) { 2197 do_bell(cur_console, 2198 BELL_PITCH, BELL_DURATION); 2199 chr = 0; 2200 } 2201 } 2202 break; 2203 case 0x38: 2204 if (!compose) { 2205 compose = 1; 2206 chr = 0; 2207 } 2208 break; 2209 case 0xE0: 2210 case 0xE1: 2211 esc_flag = scancode; 2212 goto next_code; 2213 } 2214 break; 2215 case 0xE0: /* 0xE0 prefix */ 2216 esc_flag = 0; 2217 switch (keycode) { 2218 case 0x1C: /* right enter key */ 2219 keycode = 0x59; 2220 break; 2221 case 0x1D: /* right ctrl key */ 2222 keycode = 0x5A; 2223 break; 2224 case 0x35: /* keypad divide key */ 2225 keycode = 0x5B; 2226 break; 2227 case 0x37: /* print scrn key */ 2228 keycode = 0x5C; 2229 break; 2230 case 0x38: /* right alt key (alt gr) */ 2231 keycode = 0x5D; 2232 break; 2233 case 0x47: /* grey home key */ 2234 keycode = 0x5E; 2235 break; 2236 case 0x48: /* grey up arrow key */ 2237 keycode = 0x5F; 2238 break; 2239 case 0x49: /* grey page up key */ 2240 keycode = 0x60; 2241 break; 2242 case 0x4B: /* grey left arrow key */ 2243 keycode = 0x61; 2244 break; 2245 case 0x4D: /* grey right arrow key */ 2246 keycode = 0x62; 2247 break; 2248 case 0x4F: /* grey end key */ 2249 keycode = 0x63; 2250 break; 2251 case 0x50: /* grey down arrow key */ 2252 keycode = 0x64; 2253 break; 2254 case 0x51: /* grey page down key */ 2255 keycode = 0x65; 2256 break; 2257 case 0x52: /* grey insert key */ 2258 keycode = 0x66; 2259 break; 2260 case 0x53: /* grey delete key */ 2261 keycode = 0x67; 2262 break; 2263 2264 /* the following 3 are only used on the MS "Natural" keyboard */ 2265 case 0x5b: /* left Window key */ 2266 keycode = 0x69; 2267 break; 2268 case 0x5c: /* right Window key */ 2269 keycode = 0x6a; 2270 break; 2271 case 0x5d: /* menu key */ 2272 keycode = 0x6b; 2273 break; 2274 default: /* ignore everything else */ 2275 goto next_code; 2276 } 2277 break; 2278 case 0xE1: /* 0xE1 prefix */ 2279 esc_flag = 0; 2280 if (keycode == 0x1D) 2281 esc_flag = 0x1D; 2282 goto next_code; 2283 /* NOT REACHED */ 2284 case 0x1D: /* pause / break */ 2285 esc_flag = 0; 2286 if (keycode != 0x45) 2287 goto next_code; 2288 keycode = 0x68; 2289 break; 2290 } 2291 2292 /* if scroll-lock pressed allow history browsing */ 2293 if (cur_console->history && cur_console->status & SLKED) { 2294 int i; 2295 2296 cur_console->status &= ~CURSOR_ENABLED; 2297 if (!(cur_console->status & BUFFER_SAVED)) { 2298 cur_console->status |= BUFFER_SAVED; 2299 cur_console->history_save = cur_console->history_head; 2300 2301 /* copy screen into top of history buffer */ 2302 for (i=0; i<cur_console->ysize; i++) { 2303 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2304 cur_console->history_head, 2305 cur_console->xsize * sizeof(u_short)); 2306 cur_console->history_head += cur_console->xsize; 2307 if (cur_console->history_head + cur_console->xsize > 2308 cur_console->history + cur_console->history_size) 2309 cur_console->history_head=cur_console->history; 2310 } 2311 cur_console->history_pos = cur_console->history_head; 2312 history_to_screen(cur_console); 2313 } 2314 switch (scancode) { 2315 case 0x47: /* home key */ 2316 cur_console->history_pos = cur_console->history_head; 2317 history_to_screen(cur_console); 2318 goto next_code; 2319 2320 case 0x4F: /* end key */ 2321 cur_console->history_pos = 2322 WRAPHIST(cur_console, cur_console->history_head, 2323 cur_console->xsize*cur_console->ysize); 2324 history_to_screen(cur_console); 2325 goto next_code; 2326 2327 case 0x48: /* up arrow key */ 2328 if (history_up_line(cur_console)) 2329 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2330 goto next_code; 2331 2332 case 0x50: /* down arrow key */ 2333 if (history_down_line(cur_console)) 2334 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2335 goto next_code; 2336 2337 case 0x49: /* page up key */ 2338 for (i=0; i<cur_console->ysize; i++) 2339 if (history_up_line(cur_console)) { 2340 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2341 break; 2342 } 2343 goto next_code; 2344 2345 case 0x51: /* page down key */ 2346 for (i=0; i<cur_console->ysize; i++) 2347 if (history_down_line(cur_console)) { 2348 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2349 break; 2350 } 2351 goto next_code; 2352 } 2353 } 2354 2355 if (compose) { 2356 switch (scancode) { 2357 /* key pressed process it */ 2358 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2359 chr = (scancode - 0x40) + chr*10; 2360 goto next_code; 2361 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2362 chr = (scancode - 0x47) + chr*10; 2363 goto next_code; 2364 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2365 chr = (scancode - 0x4E) + chr*10; 2366 goto next_code; 2367 case 0x52: /* keypad 0 */ 2368 chr *= 10; 2369 goto next_code; 2370 2371 /* key release, no interest here */ 2372 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2373 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2374 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2375 case 0xD2: /* keypad 0 */ 2376 goto next_code; 2377 2378 case 0x38: /* left alt key */ 2379 break; 2380 default: 2381 if (chr) { 2382 compose = chr = 0; 2383 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2384 goto next_code; 2385 } 2386 break; 2387 } 2388 } 2389 2390 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2391 if ((!agrs && (cur_console->status & ALKED)) 2392 || (agrs && !(cur_console->status & ALKED))) 2393 keycode += ALTGR_OFFSET; 2394 key = &key_map.key[keycode]; 2395 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2396 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2397 state ^= 1; 2398 2399 /* Check for make/break */ 2400 action = key->map[state]; 2401 if (scancode & 0x80) { /* key released */ 2402 if (key->spcl & 0x80) { 2403 switch (action) { 2404 case LSH: 2405 shfts &= ~1; 2406 break; 2407 case RSH: 2408 shfts &= ~2; 2409 break; 2410 case LCTR: 2411 ctls &= ~1; 2412 break; 2413 case RCTR: 2414 ctls &= ~2; 2415 break; 2416 case LALT: 2417 alts &= ~1; 2418 break; 2419 case RALT: 2420 alts &= ~2; 2421 break; 2422 case NLK: 2423 nlkcnt = 0; 2424 break; 2425 case CLK: 2426 clkcnt = 0; 2427 break; 2428 case SLK: 2429 slkcnt = 0; 2430 break; 2431 case ASH: 2432 agrs = 0; 2433 break; 2434 case ALK: 2435 alkcnt = 0; 2436 break; 2437 case META: 2438 metas = 0; 2439 break; 2440 } 2441 } 2442 if (chr && !compose) { 2443 action = chr; 2444 chr = 0; 2445 return(action); 2446 } 2447 } else { 2448 /* key pressed */ 2449 if (key->spcl & (0x80>>state)) { 2450 switch (action) { 2451 /* LOCKING KEYS */ 2452 case NLK: 2453 if (!nlkcnt) { 2454 nlkcnt++; 2455 if (cur_console->status & NLKED) 2456 cur_console->status &= ~NLKED; 2457 else 2458 cur_console->status |= NLKED; 2459 update_leds(cur_console->status); 2460 } 2461 break; 2462 case CLK: 2463 if (!clkcnt) { 2464 clkcnt++; 2465 if (cur_console->status & CLKED) 2466 cur_console->status &= ~CLKED; 2467 else 2468 cur_console->status |= CLKED; 2469 update_leds(cur_console->status); 2470 } 2471 break; 2472 case SLK: 2473 if (!slkcnt) { 2474 slkcnt++; 2475 if (cur_console->status & SLKED) { 2476 cur_console->status &= ~SLKED; 2477 if (cur_console->status & BUFFER_SAVED){ 2478 int i; 2479 u_short *ptr = cur_console->history_save; 2480 2481 for (i=0; i<cur_console->ysize; i++) { 2482 bcopyw(ptr, 2483 cur_console->scr_buf + 2484 (cur_console->xsize*i), 2485 cur_console->xsize * sizeof(u_short)); 2486 ptr += cur_console->xsize; 2487 if (ptr + cur_console->xsize > 2488 cur_console->history + 2489 cur_console->history_size) 2490 ptr = cur_console->history; 2491 } 2492 cur_console->status &= ~BUFFER_SAVED; 2493 cur_console->history_head=cur_console->history_save; 2494 cur_console->status |= CURSOR_ENABLED; 2495 mark_all(cur_console); 2496 } 2497 scstart(VIRTUAL_TTY(get_scr_num())); 2498 } 2499 else 2500 cur_console->status |= SLKED; 2501 update_leds(cur_console->status); 2502 } 2503 break; 2504 case ALK: 2505 if (!alkcnt) { 2506 alkcnt++; 2507 if (cur_console->status & ALKED) 2508 cur_console->status &= ~ALKED; 2509 else 2510 cur_console->status |= ALKED; 2511 update_leds(cur_console->status); 2512 } 2513 break; 2514 2515 /* NON-LOCKING KEYS */ 2516 case NOP: 2517 break; 2518 case RBT: 2519 shutdown_nice(); 2520 break; 2521 case SUSP: 2522 #if NAPM > 0 2523 apm_suspend(); 2524 #endif 2525 break; 2526 2527 case DBG: 2528 #ifdef DDB /* try to switch to console 0 */ 2529 if (cur_console->smode.mode == VT_AUTO && 2530 console[0]->smode.mode == VT_AUTO) 2531 switch_scr(cur_console, 0); 2532 Debugger("manual escape to debugger"); 2533 return(NOKEY); 2534 #else 2535 printf("No debugger in kernel\n"); 2536 #endif 2537 break; 2538 case LSH: 2539 shfts |= 1; 2540 break; 2541 case RSH: 2542 shfts |= 2; 2543 break; 2544 case LCTR: 2545 ctls |= 1; 2546 break; 2547 case RCTR: 2548 ctls |= 2; 2549 break; 2550 case LALT: 2551 alts |= 1; 2552 break; 2553 case RALT: 2554 alts |= 2; 2555 break; 2556 case ASH: 2557 agrs = 1; 2558 break; 2559 case META: 2560 metas = 1; 2561 break; 2562 case NEXT: 2563 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2564 break; 2565 case BTAB: 2566 return(BKEY); 2567 default: 2568 if (action >= F_SCR && action <= L_SCR) { 2569 switch_scr(cur_console, action - F_SCR); 2570 break; 2571 } 2572 if (action >= F_FN && action <= L_FN) 2573 action |= FKEY; 2574 return(action); 2575 } 2576 } 2577 else { 2578 if (metas) 2579 action |= MKEY; 2580 return(action); 2581 } 2582 } 2583 goto next_code; 2584 } 2585 2586 int 2587 scmmap(dev_t dev, int offset, int nprot) 2588 { 2589 if (offset > 0x20000 - PAGE_SIZE) 2590 return -1; 2591 return i386_btop((VIDEOMEM + offset)); 2592 } 2593 2594 static void 2595 kbd_wait(void) 2596 { 2597 int i = 1000; 2598 2599 while (i--) { 2600 if ((inb(KB_STAT) & KB_READY) == 0) 2601 break; 2602 DELAY (10); 2603 } 2604 } 2605 2606 static void 2607 kbd_cmd(u_char command) 2608 { 2609 int retry = 5; 2610 do { 2611 int i = 100000; 2612 2613 kbd_wait(); 2614 #if ASYNCH 2615 kbd_reply = 0; 2616 outb(KB_DATA, command); 2617 while (i--) { 2618 if (kbd_reply == KB_ACK) 2619 return; 2620 if (kbd_reply == KB_RESEND) 2621 break; 2622 } 2623 #else 2624 outb(KB_DATA, command); 2625 while (i--) { 2626 if (inb(KB_STAT) & KB_BUF_FULL) { 2627 int val; 2628 DELAY(10); 2629 val = inb(KB_DATA); 2630 if (val == KB_ACK) 2631 return; 2632 if (val == KB_RESEND) 2633 break; 2634 } 2635 } 2636 #endif 2637 } while (retry--); 2638 } 2639 2640 static void 2641 set_mode(scr_stat *scp) 2642 { 2643 char *modetable; 2644 char special_modetable[64]; 2645 int mode, font_size; 2646 2647 if (scp != cur_console) 2648 return; 2649 2650 /* setup video hardware for the given mode */ 2651 switch (scp->mode) { 2652 case M_VGA_M80x60: 2653 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2654 goto special_80x60; 2655 2656 case M_VGA_C80x60: 2657 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2658 special_80x60: 2659 special_modetable[2] = 0x08; 2660 special_modetable[19] = 0x47; 2661 goto special_480l; 2662 2663 case M_VGA_M80x30: 2664 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2665 goto special_80x30; 2666 2667 case M_VGA_C80x30: 2668 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2669 special_80x30: 2670 special_modetable[19] = 0x4f; 2671 special_480l: 2672 special_modetable[9] |= 0xc0; 2673 special_modetable[16] = 0x08; 2674 special_modetable[17] = 0x3e; 2675 special_modetable[26] = 0xea; 2676 special_modetable[28] = 0xdf; 2677 special_modetable[31] = 0xe7; 2678 special_modetable[32] = 0x04; 2679 modetable = special_modetable; 2680 goto setup_mode; 2681 2682 case M_ENH_B80x43: 2683 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2684 goto special_80x43; 2685 2686 case M_ENH_C80x43: 2687 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2688 special_80x43: 2689 special_modetable[28] = 87; 2690 goto special_80x50; 2691 2692 case M_VGA_M80x50: 2693 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2694 goto special_80x50; 2695 2696 case M_VGA_C80x50: 2697 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2698 special_80x50: 2699 special_modetable[2] = 8; 2700 special_modetable[19] = 7; 2701 modetable = special_modetable; 2702 goto setup_mode; 2703 2704 case M_VGA_C40x25: case M_VGA_C80x25: 2705 case M_VGA_M80x25: 2706 case M_B40x25: case M_C40x25: 2707 case M_B80x25: case M_C80x25: 2708 case M_ENH_B40x25: case M_ENH_C40x25: 2709 case M_ENH_B80x25: case M_ENH_C80x25: 2710 2711 modetable = video_mode_ptr + (scp->mode * 64); 2712 setup_mode: 2713 set_vgaregs(modetable); 2714 font_size = *(modetable + 2); 2715 2716 /* set font type (size) */ 2717 switch (font_size) { 2718 case 0x10: 2719 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2720 scp->font = FONT_16; 2721 break; 2722 case 0x0E: 2723 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2724 scp->font = FONT_14; 2725 break; 2726 default: 2727 case 0x08: 2728 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2729 scp->font = FONT_8; 2730 break; 2731 } 2732 if (configuration & CHAR_CURSOR) 2733 set_destructive_cursor(scp, TRUE); 2734 break; 2735 2736 case M_BG320: case M_CG320: case M_BG640: 2737 case M_CG320_D: case M_CG640_E: 2738 case M_CG640x350: case M_ENH_CG640: 2739 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2740 2741 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2742 break; 2743 2744 default: 2745 /* call user defined function XXX */ 2746 break; 2747 } 2748 2749 /* set border color for this (virtual) console */ 2750 set_border(scp->border); 2751 return; 2752 } 2753 2754 void 2755 set_border(int color) 2756 { 2757 inb(crtc_addr+6); /* reset flip-flop */ 2758 outb(ATC, 0x11); outb(ATC, color); 2759 inb(crtc_addr+6); /* reset flip-flop */ 2760 outb(ATC, 0x20); /* enable Palette */ 2761 } 2762 2763 static void 2764 set_vgaregs(char *modetable) 2765 { 2766 int i, s = splhigh(); 2767 2768 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2769 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2770 for (i=0; i<4; i++) { /* program sequencer */ 2771 outb(TSIDX, i+1); 2772 outb(TSREG, modetable[i+5]); 2773 } 2774 outb(MISC, modetable[9]); /* set dot-clock */ 2775 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2776 outb(crtc_addr, 0x11); 2777 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2778 for (i=0; i<25; i++) { /* program crtc */ 2779 outb(crtc_addr, i); 2780 if (i == 14 || i == 15) /* no hardware cursor */ 2781 outb(crtc_addr+1, 0xff); 2782 else 2783 outb(crtc_addr+1, modetable[i+10]); 2784 } 2785 inb(crtc_addr+6); /* reset flip-flop */ 2786 for (i=0; i<20; i++) { /* program attribute ctrl */ 2787 outb(ATC, i); 2788 outb(ATC, modetable[i+35]); 2789 } 2790 for (i=0; i<9; i++) { /* program graph data ctrl */ 2791 outb(GDCIDX, i); 2792 outb(GDCREG, modetable[i+55]); 2793 } 2794 inb(crtc_addr+6); /* reset flip-flop */ 2795 outb(ATC ,0x20); /* enable palette */ 2796 splx(s); 2797 } 2798 2799 static void 2800 set_font_mode() 2801 { 2802 /* setup vga for loading fonts (graphics plane mode) */ 2803 inb(crtc_addr+6); 2804 outb(ATC, 0x30); outb(ATC, 0x01); 2805 #if SLOW_VGA 2806 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2807 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2808 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2809 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2810 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2811 #else 2812 outw(TSIDX, 0x0402); 2813 outw(TSIDX, 0x0604); 2814 outw(GDCIDX, 0x0204); 2815 outw(GDCIDX, 0x0005); 2816 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2817 #endif 2818 } 2819 2820 static void 2821 set_normal_mode() 2822 { 2823 int s = splhigh(); 2824 2825 /* setup vga for normal operation mode again */ 2826 inb(crtc_addr+6); 2827 outb(ATC, 0x30); outb(ATC, 0x0C); 2828 #if SLOW_VGA 2829 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2830 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2831 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2832 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2833 if (crtc_addr == MONO_BASE) { 2834 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2835 } 2836 else { 2837 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2838 } 2839 #else 2840 outw(TSIDX, 0x0302); 2841 outw(TSIDX, 0x0204); 2842 outw(GDCIDX, 0x0004); 2843 outw(GDCIDX, 0x1005); 2844 if (crtc_addr == MONO_BASE) 2845 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2846 else 2847 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2848 #endif 2849 splx(s); 2850 } 2851 2852 static void 2853 copy_font(int operation, int font_type, char* font_image) 2854 { 2855 int ch, line, segment, fontsize; 2856 u_char val; 2857 2858 switch (font_type) { 2859 default: 2860 case FONT_8: 2861 segment = 0x8000; 2862 fontsize = 8; 2863 break; 2864 case FONT_14: 2865 segment = 0x4000; 2866 fontsize = 14; 2867 break; 2868 case FONT_16: 2869 segment = 0x0000; 2870 fontsize = 16; 2871 break; 2872 } 2873 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 2874 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2875 set_font_mode(); 2876 for (ch=0; ch < 256; ch++) 2877 for (line=0; line < fontsize; line++) 2878 if (operation) 2879 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 2880 font_image[(ch*fontsize)+line]; 2881 else 2882 font_image[(ch*fontsize)+line] = 2883 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 2884 set_normal_mode(); 2885 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 2886 } 2887 2888 static void 2889 set_destructive_cursor(scr_stat *scp, int force) 2890 { 2891 u_char cursor[32]; 2892 caddr_t address; 2893 int i, font_size; 2894 char *font_buffer; 2895 static u_char old_saveunder = DEAD_CHAR; 2896 2897 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 2898 return; 2899 old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF; 2900 switch (scp->font) { 2901 default: 2902 case FONT_8: 2903 font_size = 8; 2904 font_buffer = font_8; 2905 address = (caddr_t)VIDEOMEM + 0x8000; 2906 break; 2907 case FONT_14: 2908 font_size = 14; 2909 font_buffer = font_14; 2910 address = (caddr_t)VIDEOMEM + 0x4000; 2911 break; 2912 case FONT_16: 2913 font_size = 16; 2914 font_buffer = font_16; 2915 address = (caddr_t)VIDEOMEM; 2916 break; 2917 } 2918 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 2919 cursor, font_size); 2920 for (i=0; i<32; i++) 2921 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 2922 (scp->cursor_start >= font_size && i == font_size - 1)) 2923 cursor[i] |= 0xff; 2924 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 2925 set_font_mode(); 2926 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 2927 set_normal_mode(); 2928 } 2929 2930 static void 2931 draw_mouse_image(scr_stat *scp) 2932 { 2933 caddr_t address; 2934 int i, font_size; 2935 char *font_buffer; 2936 u_short buffer[32]; 2937 u_short xoffset, yoffset; 2938 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 2939 2940 xoffset = scp->mouse_xpos % 8; 2941 switch (scp->font) { 2942 default: 2943 case FONT_8: 2944 font_size = 8; 2945 font_buffer = font_8; 2946 yoffset = scp->mouse_ypos % 8; 2947 address = (caddr_t)VIDEOMEM + 0x8000; 2948 break; 2949 case FONT_14: 2950 font_size = 14; 2951 font_buffer = font_14; 2952 yoffset = scp->mouse_ypos % 14; 2953 address = (caddr_t)VIDEOMEM + 0x4000; 2954 break; 2955 case FONT_16: 2956 font_size = 16; 2957 font_buffer = font_16; 2958 yoffset = scp->mouse_ypos % 16; 2959 address = (caddr_t)VIDEOMEM; 2960 break; 2961 } 2962 2963 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 2964 &scp->mouse_cursor[0], font_size); 2965 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 2966 &scp->mouse_cursor[32], font_size); 2967 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 2968 &scp->mouse_cursor[64], font_size); 2969 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 2970 &scp->mouse_cursor[96], font_size); 2971 2972 for (i=0; i<font_size; i++) { 2973 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 2974 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 2975 } 2976 for (i=0; i<16; i++) { 2977 buffer[i+yoffset] = 2978 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 2979 | (mouse_or_mask[i] >> xoffset); 2980 } 2981 for (i=0; i<font_size; i++) { 2982 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 2983 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 2984 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 2985 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 2986 } 2987 if (scp->status & UPDATE_MOUSE) { 2988 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 2989 2990 if (crt_pos != scp->mouse_oldpos) { 2991 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 2992 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 2993 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 2994 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 2995 } 2996 scp->mouse_saveunder[0] = *(scp->mouse_pos); 2997 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 2998 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 2999 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 3000 if ((scp->cursor_pos == (ptr)) || 3001 (scp->cursor_pos == (ptr+1)) || 3002 (scp->cursor_pos == (ptr+scp->xsize)) || 3003 (scp->cursor_pos == (ptr+scp->xsize+1)) || 3004 (scp->cursor_pos == (scp->mouse_pos)) || 3005 (scp->cursor_pos == (scp->mouse_pos+1)) || 3006 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 3007 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 3008 scp->status &= ~CURSOR_SHOWN; 3009 } 3010 scp->mouse_oldpos = crt_pos; 3011 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3012 *(crt_pos) = *(scp->mouse_pos)&0xff00|0xd0; 3013 *(crt_pos+1) = *(scp->mouse_pos+1)&0xff00|0xd1; 3014 *(crt_pos+scp->xsize) = *(scp->mouse_pos+scp->xsize)&0xff00|0xd2; 3015 *(crt_pos+scp->xsize+1) = *(scp->mouse_pos+scp->xsize+1)&0xff00|0xd3; 3016 set_font_mode(); 3017 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3018 set_normal_mode(); 3019 } 3020 3021 static void 3022 save_palette(void) 3023 { 3024 int i; 3025 3026 outb(PALRADR, 0x00); 3027 for (i=0x00; i<0x300; i++) 3028 palette[i] = inb(PALDATA); 3029 inb(crtc_addr+6); /* reset flip/flop */ 3030 } 3031 3032 void 3033 load_palette(void) 3034 { 3035 int i; 3036 3037 outb(PIXMASK, 0xFF); /* no pixelmask */ 3038 outb(PALWADR, 0x00); 3039 for (i=0x00; i<0x300; i++) 3040 outb(PALDATA, palette[i]); 3041 inb(crtc_addr+6); /* reset flip/flop */ 3042 outb(ATC, 0x20); /* enable palette */ 3043 } 3044 3045 static void 3046 do_bell(scr_stat *scp, int pitch, int duration) 3047 { 3048 if (scp == cur_console) { 3049 if (configuration & VISUAL_BELL) { 3050 if (blink_in_progress) 3051 return; 3052 blink_in_progress = 4; 3053 blink_screen(scp); 3054 timeout((timeout_func_t)blink_screen, scp, hz/10); 3055 } 3056 else 3057 sysbeep(pitch, duration); 3058 } 3059 } 3060 3061 static void 3062 blink_screen(scr_stat *scp) 3063 { 3064 if (blink_in_progress > 1) { 3065 if (blink_in_progress & 1) 3066 fillw(kernel_default.std_attr | scr_map[0x20], 3067 Crtat, scp->xsize * scp->ysize); 3068 else 3069 fillw(kernel_default.rev_attr | scr_map[0x20], 3070 Crtat, scp->xsize * scp->ysize); 3071 blink_in_progress--; 3072 timeout((timeout_func_t)blink_screen, scp, hz/10); 3073 } 3074 else { 3075 blink_in_progress = FALSE; 3076 mark_all(scp); 3077 if (delayed_next_scr) 3078 switch_scr(scp, delayed_next_scr - 1); 3079 } 3080 } 3081 3082 #endif /* NSC */ 3083