syscons.c revision 6851
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 1.105 1995/02/25 20:09:16 pst 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 70static default_attr user_default = { 71 (FG_LIGHTGREY | BG_BLACK) << 8, 72 (FG_BLACK | BG_LIGHTGREY) << 8 73}; 74 75static default_attr kernel_default = { 76 (FG_WHITE | BG_BLACK) << 8, 77 (FG_BLACK | BG_LIGHTGREY) << 8 78}; 79 80static scr_stat main_console; 81static scr_stat *console[MAXCONS]; 82 scr_stat *cur_console; 83static scr_stat *new_scp, *old_scp; 84static term_stat kernel_console; 85static default_attr *current_default; 86static char init_done = FALSE; 87static char switch_in_progress = FALSE; 88static char blink_in_progress = FALSE; 89static char write_in_progress = FALSE; 90 u_int crtc_addr = MONO_BASE; 91static char crtc_vga = FALSE; 92static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 93static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 94static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 95static int fonts_loaded = 0; 96 char palette[3*256]; 97static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 98#if ASYNCH 99static u_char kbd_reply = 0; 100#endif 101static int delayed_next_scr = FALSE; 102static int configuration = 0; /* current setup */ 103static long scrn_blank_time = 0; /* screen saver timeout value */ 104 int scrn_blanked = FALSE; /* screen saver active flag */ 105static int scrn_saver = 0; /* screen saver routine */ 106static long scrn_time_stamp; 107 u_char scr_map[256]; 108static char *video_mode_ptr = NULL; 109 110static 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}; 114static 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 119void none_saver(int blank) { } 120void (*current_saver)() = none_saver; 121 122/* OS specific stuff */ 123#ifdef not_yet_done 124#define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 125struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 126struct tty *sccons[MAXCONS+1]; 127#else 128#define VIRTUAL_TTY(x) &sccons[x] 129#define CONSOLE_TTY &sccons[MAXCONS] 130struct tty sccons[MAXCONS+1]; 131#endif 132#define MONO_BUF pa_to_va(0xB0000) 133#define CGA_BUF pa_to_va(0xB8000) 134u_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 140struct isa_driver scdriver = { 141 scprobe, scattach, "sc", 1 142}; 143 144int 145scprobe(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 } 175gotres: 176 if (!retries) 177 printf("scprobe: keyboard won't accept RESET command\n"); 178 else { 179gotack: 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 199static 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 209static inline void 210sc_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 220static int 221scresume(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 232int 233scattach(struct isa_device *dev) 234{ 235 scr_stat *scp; 236 237 scinit(); 238 configuration = dev->id_flags; 239 printf("sc%d: ", dev->id_unit); 240 if (crtc_vga) 241 if (crtc_addr == MONO_BASE) 242 printf("VGA mono"); 243 else 244 printf("VGA color"); 245 else 246 if (crtc_addr == MONO_BASE) 247 printf("MDA/hercules"); 248 else 249 printf("CGA/EGA"); 250 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 251 scp = console[0]; 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 if (crtc_vga) { 266 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 267 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 268 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 269 copy_font(SAVE, FONT_16, font_16); 270 fonts_loaded = FONT_16; 271 scp->font = FONT_16; 272 save_palette(); 273 } 274 275 /* get screen update going */ 276 scrn_timer(); 277 278 update_leds(scp->status); 279 sc_registerdev(dev); 280#if NAPM > 0 281 scp->r_hook.ah_fun = scresume; 282 scp->r_hook.ah_arg = NULL; 283 scp->r_hook.ah_name = "system keyboard"; 284 scp->r_hook.ah_order = APM_MID_ORDER; 285 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 286#endif 287 return 0; 288} 289 290struct tty 291*scdevtotty(dev_t dev) 292{ 293 int unit = minor(dev); 294 295 if (unit > MAXCONS || unit < 0) 296 return(NULL); 297 if (unit == MAXCONS) 298 return CONSOLE_TTY; 299 return VIRTUAL_TTY(unit); 300} 301 302static scr_stat 303*get_scr_stat(dev_t dev) 304{ 305 int unit = minor(dev); 306 307 if (unit > MAXCONS || unit < 0) 308 return(NULL); 309 if (unit == MAXCONS) 310 return console[0]; 311 return console[unit]; 312} 313 314static int 315get_scr_num() 316{ 317 int i = 0; 318 319 while ((i < MAXCONS) && (cur_console != console[i])) 320 i++; 321 return i < MAXCONS ? i : 0; 322} 323 324int 325scopen(dev_t dev, int flag, int mode, struct proc *p) 326{ 327 struct tty *tp = scdevtotty(dev); 328 329 if (!tp) 330 return(ENXIO); 331 332 tp->t_oproc = scstart; 333 tp->t_param = scparam; 334 tp->t_dev = dev; 335 if (!(tp->t_state & TS_ISOPEN)) { 336 ttychars(tp); 337 tp->t_iflag = TTYDEF_IFLAG; 338 tp->t_oflag = TTYDEF_OFLAG; 339 tp->t_cflag = TTYDEF_CFLAG; 340 tp->t_lflag = TTYDEF_LFLAG; 341 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 342 scparam(tp, &tp->t_termios); 343 ttsetwater(tp); 344 } 345 else 346 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 347 return(EBUSY); 348 tp->t_state |= TS_CARR_ON; 349 tp->t_cflag |= CLOCAL; 350 if (!console[minor(dev)]) 351 console[minor(dev)] = alloc_scp(); 352 return((*linesw[tp->t_line].l_open)(dev, tp)); 353} 354 355int 356scclose(dev_t dev, int flag, int mode, struct proc *p) 357{ 358 struct tty *tp = scdevtotty(dev); 359 struct scr_stat *scp; 360 361 if (!tp) 362 return(ENXIO); 363 if (minor(dev) < MAXCONS) { 364 scp = get_scr_stat(tp->t_dev); 365 if (scp->status & SWITCH_WAIT_ACQ) 366 wakeup((caddr_t)&scp->smode); 367#if not_yet_done 368 if (scp == &main_console) { 369 scp->pid = 0; 370 scp->proc = NULL; 371 scp->smode.mode = VT_AUTO; 372 } 373 else { 374 free(scp->scr_buf, M_DEVBUF); 375 free(scp->history, M_DEVBUF); 376 free(scp, M_DEVBUF); 377 console[minor(dev)] = NULL; 378 } 379#else 380 scp->pid = 0; 381 scp->proc = NULL; 382 scp->smode.mode = VT_AUTO; 383#endif 384 } 385 (*linesw[tp->t_line].l_close)(tp, flag); 386 ttyclose(tp); 387 return(0); 388} 389 390int 391scread(dev_t dev, struct uio *uio, int flag) 392{ 393 struct tty *tp = scdevtotty(dev); 394 395 if (!tp) 396 return(ENXIO); 397 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 398} 399 400int 401scwrite(dev_t dev, struct uio *uio, int flag) 402{ 403 struct tty *tp = scdevtotty(dev); 404 405 if (!tp) 406 return(ENXIO); 407 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 408} 409 410void 411scintr(int unit) 412{ 413 static struct tty *cur_tty; 414 int c, len; 415 u_char *cp; 416 417 /* make screensaver happy */ 418 scrn_time_stamp = time.tv_sec; 419 if (scrn_blanked) { 420 (*current_saver)(FALSE); 421 cur_console->status |= UPDATE_SCREEN; 422 } 423 424 c = scgetc(1); 425 426 cur_tty = VIRTUAL_TTY(get_scr_num()); 427 if (!(cur_tty->t_state & TS_ISOPEN)) 428 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 429 return; 430 431 switch (c & 0xff00) { 432 case 0x0000: /* normal key */ 433 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 434 break; 435 case NOKEY: /* nothing there */ 436 break; 437 case FKEY: /* function key, return string */ 438 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 439 while (len-- > 0) 440 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 441 } 442 break; 443 case MKEY: /* meta is active, prepend ESC */ 444 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 445 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 446 break; 447 case BKEY: /* backtab fixed sequence (esc [ Z) */ 448 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 449 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 450 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 451 break; 452 } 453} 454 455int 456scparam(struct tty *tp, struct termios *t) 457{ 458 tp->t_ispeed = t->c_ispeed; 459 tp->t_ospeed = t->c_ospeed; 460 tp->t_cflag = t->c_cflag; 461 return 0; 462} 463 464int 465scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 466{ 467 int i, error; 468 struct tty *tp; 469 struct trapframe *fp; 470 scr_stat *scp; 471 472 tp = scdevtotty(dev); 473 if (!tp) 474 return ENXIO; 475 scp = get_scr_stat(tp->t_dev); 476 477 switch (cmd) { /* process console hardware related ioctl's */ 478 479 case GIO_ATTR: /* get current attributes */ 480 *(int*)data = scp->term.cur_attr; 481 return 0; 482 483 case GIO_COLOR: /* is this a color console ? */ 484 if (crtc_addr == COLOR_BASE) 485 *(int*)data = 1; 486 else 487 *(int*)data = 0; 488 return 0; 489 490 case CONS_CURRENT: /* get current adapter type */ 491 if (crtc_vga) 492 *(int*)data = KD_VGA; 493 else 494 if (crtc_addr == MONO_BASE) 495 *(int*)data = KD_MONO; 496 else 497 *(int*)data = KD_CGA; 498 return 0; 499 500 case CONS_GET: /* get current video mode */ 501 *(int*)data = scp->mode; 502 return 0; 503 504 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 505 scrn_blank_time = *(int*)data; 506 return 0; 507 508 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 509 if ((*(int*)data) & 0x01) 510 configuration |= BLINK_CURSOR; 511 else 512 configuration &= ~BLINK_CURSOR; 513 if ((*(int*)data) & 0x02) 514 configuration |= CHAR_CURSOR; 515 else 516 configuration &= ~CHAR_CURSOR; 517 return 0; 518 519 case CONS_BELLTYPE: /* set bell type sound/visual */ 520 if (*data) 521 configuration |= VISUAL_BELL; 522 else 523 configuration &= ~VISUAL_BELL; 524 return 0; 525 526 case CONS_HISTORY: /* set history size */ 527 if (*data) { 528 free(scp->history, M_DEVBUF); 529 scp->history_size = *(int*)data; 530 if (scp->history_size < scp->ysize) 531 scp->history = NULL; 532 else { 533 scp->history_size *= scp->xsize; 534 scp->history_head = scp->history_pos = scp->history = 535 (u_short *)malloc(scp->history_size*sizeof(u_short), 536 M_DEVBUF, M_NOWAIT); 537 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 538 } 539 return 0; 540 } 541 else 542 return EINVAL; 543 544 case CONS_MOUSECTL: /* control mouse arrow */ 545 { 546 mouse_info_t *mouse = (mouse_info_t*)data; 547 int fontsize; 548 549 switch (scp->font) { 550 default: 551 case FONT_8: 552 fontsize = 8; break; 553 case FONT_14: 554 fontsize = 14; break; 555 case FONT_16: 556 fontsize = 16; break; 557 } 558 switch (mouse->operation) { 559 case MOUSE_SHOW: 560 if (!(scp->status & MOUSE_ENABLED)) { 561 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf); 562 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED); 563 } 564 else 565 return EINVAL; 566 break; 567 568 case MOUSE_HIDE: 569 if (scp->status & MOUSE_ENABLED) { 570 scp->status &= ~MOUSE_ENABLED; 571 scp->status |= UPDATE_MOUSE; 572 } 573 else 574 return EINVAL; 575 break; 576 577 case MOUSE_MOVEABS: 578 scp->mouse_xpos = mouse->x; 579 scp->mouse_ypos = mouse->y; 580 goto set_mouse_pos; 581 582 case MOUSE_MOVEREL: 583 scp->mouse_xpos += mouse->x; 584 scp->mouse_ypos += mouse->y; 585set_mouse_pos: 586 if (scp->mouse_xpos < 0) 587 scp->mouse_xpos = 0; 588 if (scp->mouse_ypos < 0) 589 scp->mouse_ypos = 0; 590 if (scp->mouse_xpos >= scp->xsize*8) 591 scp->mouse_xpos = (scp->xsize*8)-1; 592 if (scp->mouse_ypos >= scp->ysize*fontsize) 593 scp->mouse_ypos = (scp->ysize*fontsize)-1; 594 scp->mouse_pos = scp->scr_buf + 595 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8; 596 if (scp->status & MOUSE_ENABLED) 597 scp->status |= UPDATE_MOUSE; 598 break; 599 600 case MOUSE_GETPOS: 601 mouse->x = scp->mouse_xpos; 602 mouse->y = scp->mouse_ypos; 603 return 0; 604 605 default: 606 return EINVAL; 607 } 608 /* make screensaver happy */ 609 if (scp == cur_console) { 610 scrn_time_stamp = time.tv_sec; 611 if (scrn_blanked) { 612 (*current_saver)(FALSE); 613 scp->status |= UPDATE_SCREEN; 614 } 615 } 616 return 0; 617 } 618 619 case CONS_GETINFO: /* get current (virtual) console info */ 620 { 621 vid_info_t *ptr = (vid_info_t*)data; 622 if (ptr->size == sizeof(struct vid_info)) { 623 ptr->m_num = get_scr_num(); 624 ptr->mv_col = scp->xpos; 625 ptr->mv_row = scp->ypos; 626 ptr->mv_csz = scp->xsize; 627 ptr->mv_rsz = scp->ysize; 628 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 629 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 630 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 631 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 632 ptr->mv_grfc.fore = 0; /* not supported */ 633 ptr->mv_grfc.back = 0; /* not supported */ 634 ptr->mv_ovscan = scp->border; 635 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 636 return 0; 637 } 638 return EINVAL; 639 } 640 641 case CONS_GETVERS: /* get version number */ 642 *(int*)data = 0x200; /* version 2.0 */ 643 return 0; 644 645 /* VGA TEXT MODES */ 646 case SW_VGA_C40x25: 647 case SW_VGA_C80x25: case SW_VGA_M80x25: 648 case SW_VGA_C80x30: case SW_VGA_M80x30: 649 case SW_VGA_C80x50: case SW_VGA_M80x50: 650 case SW_VGA_C80x60: case SW_VGA_M80x60: 651 case SW_B40x25: case SW_C40x25: 652 case SW_B80x25: case SW_C80x25: 653 case SW_ENH_B40x25: case SW_ENH_C40x25: 654 case SW_ENH_B80x25: case SW_ENH_C80x25: 655 case SW_ENH_B80x43: case SW_ENH_C80x43: 656 657 if (!crtc_vga || video_mode_ptr == NULL) 658 return ENXIO; 659 switch (cmd & 0xff) { 660 case M_VGA_C80x60: case M_VGA_M80x60: 661 if (!(fonts_loaded & FONT_8)) 662 return EINVAL; 663 scp->xsize = 80; 664 scp->ysize = 60; 665 break; 666 case M_VGA_C80x50: case M_VGA_M80x50: 667 if (!(fonts_loaded & FONT_8)) 668 return EINVAL; 669 scp->xsize = 80; 670 scp->ysize = 50; 671 break; 672 case M_ENH_B80x43: case M_ENH_C80x43: 673 if (!(fonts_loaded & FONT_8)) 674 return EINVAL; 675 scp->xsize = 80; 676 scp->ysize = 43; 677 break; 678 case M_VGA_C80x30: case M_VGA_M80x30: 679 scp->xsize = 80; 680 scp->ysize = 30; 681 break; 682 default: 683 if ((cmd & 0xff) > M_VGA_CG320) 684 return EINVAL; 685 else 686 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 687 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 688 break; 689 } 690 scp->mode = cmd & 0xff; 691 scp->status &= ~UNKNOWN_MODE; /* text mode */ 692 free(scp->scr_buf, M_DEVBUF); 693 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 694 M_DEVBUF, M_NOWAIT); 695 if (scp == cur_console) 696 set_mode(scp); 697 clear_screen(scp); 698 if (tp->t_winsize.ws_col != scp->xsize 699 || tp->t_winsize.ws_row != scp->ysize) { 700 tp->t_winsize.ws_col = scp->xsize; 701 tp->t_winsize.ws_row = scp->ysize; 702 pgsignal(tp->t_pgrp, SIGWINCH, 1); 703 } 704 return 0; 705 706 /* GRAPHICS MODES */ 707 case SW_BG320: case SW_BG640: 708 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 709 case SW_CG640x350: case SW_ENH_CG640: 710 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 711 712 if (!crtc_vga || video_mode_ptr == NULL) 713 return ENXIO; 714 scp->mode = cmd & 0xFF; 715 scp->status |= UNKNOWN_MODE; /* graphics mode */ 716 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; 717 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 718 (*(video_mode_ptr + (scp->mode*64) + 2)); 719 set_mode(scp); 720 /* clear_graphics();*/ 721 722 if (tp->t_winsize.ws_xpixel != scp->xsize 723 || tp->t_winsize.ws_ypixel != scp->ysize) { 724 tp->t_winsize.ws_xpixel = scp->xsize; 725 tp->t_winsize.ws_ypixel = scp->ysize; 726 pgsignal(tp->t_pgrp, SIGWINCH, 1); 727 } 728 return 0; 729 730 case VT_SETMODE: /* set screen switcher mode */ 731 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 732 if (scp->smode.mode == VT_PROCESS) { 733 scp->proc = p; 734 scp->pid = scp->proc->p_pid; 735 } 736 return 0; 737 738 case VT_GETMODE: /* get screen switcher mode */ 739 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 740 return 0; 741 742 case VT_RELDISP: /* screen switcher ioctl */ 743 switch(*data) { 744 case VT_FALSE: /* user refuses to release screen, abort */ 745 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 746 old_scp->status &= ~SWITCH_WAIT_REL; 747 switch_in_progress = FALSE; 748 return 0; 749 } 750 return EINVAL; 751 752 case VT_TRUE: /* user has released screen, go on */ 753 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 754 scp->status &= ~SWITCH_WAIT_REL; 755 exchange_scr(); 756 if (new_scp->smode.mode == VT_PROCESS) { 757 new_scp->status |= SWITCH_WAIT_ACQ; 758 psignal(new_scp->proc, new_scp->smode.acqsig); 759 } 760 else 761 switch_in_progress = FALSE; 762 return 0; 763 } 764 return EINVAL; 765 766 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 767 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 768 scp->status &= ~SWITCH_WAIT_ACQ; 769 switch_in_progress = FALSE; 770 return 0; 771 } 772 return EINVAL; 773 774 default: 775 return EINVAL; 776 } 777 /* NOT REACHED */ 778 779 case VT_OPENQRY: /* return free virtual console */ 780 for (i = 0; i < MAXCONS; i++) { 781 tp = VIRTUAL_TTY(i); 782 if (!(tp->t_state & TS_ISOPEN)) { 783 *data = i + 1; 784 return 0; 785 } 786 } 787 return EINVAL; 788 789 case VT_ACTIVATE: /* switch to screen *data */ 790 return switch_scr(scp, (*data) - 1); 791 792 case VT_WAITACTIVE: /* wait for switch to occur */ 793 if (*data > MAXCONS || *data < 0) 794 return EINVAL; 795 if (minor(dev) == (*data) - 1) 796 return 0; 797 if (*data == 0) { 798 if (scp == cur_console) 799 return 0; 800 } 801 else 802 scp = console[(*data) - 1]; 803 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 804 "waitvt", 0)) == ERESTART) ; 805 return error; 806 807 case VT_GETACTIVE: 808 *data = get_scr_num()+1; 809 return 0; 810 811 case KDENABIO: /* allow io operations */ 812 fp = (struct trapframe *)p->p_md.md_regs; 813 fp->tf_eflags |= PSL_IOPL; 814 return 0; 815 816 case KDDISABIO: /* disallow io operations (default) */ 817 fp = (struct trapframe *)p->p_md.md_regs; 818 fp->tf_eflags &= ~PSL_IOPL; 819 return 0; 820 821 case KDSETMODE: /* set current mode of this (virtual) console */ 822 switch (*data) { 823 case KD_TEXT: /* switch to TEXT (known) mode */ 824 /* restore fonts & palette ! */ 825 if (crtc_vga) { 826 if (fonts_loaded & FONT_8) 827 copy_font(LOAD, FONT_8, font_8); 828 if (fonts_loaded & FONT_14) 829 copy_font(LOAD, FONT_14, font_14); 830 if (fonts_loaded & FONT_16) 831 copy_font(LOAD, FONT_16, font_16); 832 load_palette(); 833 } 834 /* FALL THROUGH */ 835 836 case KD_TEXT1: /* switch to TEXT (known) mode */ 837 /* no restore fonts & palette */ 838 scp->status &= ~UNKNOWN_MODE; 839 if (crtc_vga && video_mode_ptr) 840 set_mode(scp); 841 clear_screen(scp); 842 return 0; 843 844 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 845 scp->status |= UNKNOWN_MODE; 846 return 0; 847 default: 848 return EINVAL; 849 } 850 /* NOT REACHED */ 851 852 case KDGETMODE: /* get current mode of this (virtual) console */ 853 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 854 return 0; 855 856 case KDSBORDER: /* set border color of this (virtual) console */ 857 if (!crtc_vga) 858 return ENXIO; 859 scp->border = *data; 860 if (scp == cur_console) 861 set_border(scp->border); 862 return 0; 863 864 case KDSKBSTATE: /* set keyboard state (locks) */ 865 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 866 scp->status &= ~LOCK_KEY_MASK; 867 scp->status |= *data; 868 if (scp == cur_console) 869 update_leds(scp->status); 870 return 0; 871 } 872 return EINVAL; 873 874 case KDGKBSTATE: /* get keyboard state (locks) */ 875 *data = scp->status & LOCK_KEY_MASK; 876 return 0; 877 878 case KDSETRAD: /* set keyboard repeat & delay rates */ 879 if (*data & 0x80) 880 return EINVAL; 881 i = spltty(); 882 kbd_cmd(KB_SETRAD); 883 kbd_cmd(*data); 884 splx(i); 885 return 0; 886 887 case KDSKBMODE: /* set keyboard mode */ 888 switch (*data) { 889 case K_RAW: /* switch to RAW scancode mode */ 890 scp->status |= KBD_RAW_MODE; 891 return 0; 892 893 case K_XLATE: /* switch to XLT ascii mode */ 894 if (scp == cur_console && scp->status == KBD_RAW_MODE) 895 shfts = ctls = alts = agrs = metas = 0; 896 scp->status &= ~KBD_RAW_MODE; 897 return 0; 898 default: 899 return EINVAL; 900 } 901 /* NOT REACHED */ 902 903 case KDGKBMODE: /* get keyboard mode */ 904 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 905 return 0; 906 907 case KDMKTONE: /* sound the bell */ 908 if (*(int*)data) 909 do_bell(scp, (*(int*)data)&0xffff, 910 (((*(int*)data)>>16)&0xffff)*hz/1000); 911 else 912 do_bell(scp, scp->bell_pitch, scp->bell_duration); 913 return 0; 914 915 case KIOCSOUND: /* make tone (*data) hz */ 916 if (scp == cur_console) { 917 if (*(int*)data) { 918 int pitch = TIMER_FREQ/(*(int*)data); 919 920 /* set command for counter 2, 2 byte write */ 921 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 922 return EBUSY; 923 924 /* set pitch */ 925 outb(TIMER_CNTR2, pitch); 926 outb(TIMER_CNTR2, (pitch>>8)); 927 928 /* enable counter 2 output to speaker */ 929 outb(IO_PPI, inb(IO_PPI) | 3); 930 } 931 else { 932 /* disable counter 2 output to speaker */ 933 outb(IO_PPI, inb(IO_PPI) & 0xFC); 934 release_timer2(); 935 } 936 } 937 return 0; 938 939 case KDGKBTYPE: /* get keyboard type */ 940 *data = 0; /* type not known (yet) */ 941 return 0; 942 943 case KDSETLED: /* set keyboard LED status */ 944 if (*data >= 0 && *data <= LED_MASK) { 945 scp->status &= ~LED_MASK; 946 scp->status |= *data; 947 if (scp == cur_console) 948 update_leds(scp->status); 949 return 0; 950 } 951 return EINVAL; 952 953 case KDGETLED: /* get keyboard LED status */ 954 *data = scp->status & LED_MASK; 955 return 0; 956 957 case GETFKEY: /* get functionkey string */ 958 if (*(u_short*)data < n_fkey_tab) { 959 fkeyarg_t *ptr = (fkeyarg_t*)data; 960 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 961 fkey_tab[ptr->keynum].len); 962 ptr->flen = fkey_tab[ptr->keynum].len; 963 return 0; 964 } 965 else 966 return EINVAL; 967 968 case SETFKEY: /* set functionkey string */ 969 if (*(u_short*)data < n_fkey_tab) { 970 fkeyarg_t *ptr = (fkeyarg_t*)data; 971 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 972 min(ptr->flen, MAXFK)); 973 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 974 return 0; 975 } 976 else 977 return EINVAL; 978 979 case GIO_SCRNMAP: /* get output translation table */ 980 bcopy(&scr_map, data, sizeof(scr_map)); 981 return 0; 982 983 case PIO_SCRNMAP: /* set output translation table */ 984 bcopy(data, &scr_map, sizeof(scr_map)); 985 return 0; 986 987 case GIO_KEYMAP: /* get keyboard translation table */ 988 bcopy(&key_map, data, sizeof(key_map)); 989 return 0; 990 991 case PIO_KEYMAP: /* set keyboard translation table */ 992 bcopy(data, &key_map, sizeof(key_map)); 993 return 0; 994 995 case PIO_FONT8x8: /* set 8x8 dot font */ 996 if (!crtc_vga) 997 return ENXIO; 998 bcopy(data, font_8, 8*256); 999 fonts_loaded |= FONT_8; 1000 copy_font(LOAD, FONT_8, font_8); 1001 return 0; 1002 1003 case GIO_FONT8x8: /* get 8x8 dot font */ 1004 if (!crtc_vga) 1005 return ENXIO; 1006 if (fonts_loaded & FONT_8) { 1007 bcopy(font_8, data, 8*256); 1008 return 0; 1009 } 1010 else 1011 return ENXIO; 1012 1013 case PIO_FONT8x14: /* set 8x14 dot font */ 1014 if (!crtc_vga) 1015 return ENXIO; 1016 bcopy(data, font_14, 14*256); 1017 fonts_loaded |= FONT_14; 1018 copy_font(LOAD, FONT_14, font_14); 1019 return 0; 1020 1021 case GIO_FONT8x14: /* get 8x14 dot font */ 1022 if (!crtc_vga) 1023 return ENXIO; 1024 if (fonts_loaded & FONT_14) { 1025 bcopy(font_14, data, 14*256); 1026 return 0; 1027 } 1028 else 1029 return ENXIO; 1030 1031 case PIO_FONT8x16: /* set 8x16 dot font */ 1032 if (!crtc_vga) 1033 return ENXIO; 1034 bcopy(data, font_16, 16*256); 1035 fonts_loaded |= FONT_16; 1036 copy_font(LOAD, FONT_16, font_16); 1037 return 0; 1038 1039 case GIO_FONT8x16: /* get 8x16 dot font */ 1040 if (!crtc_vga) 1041 return ENXIO; 1042 if (fonts_loaded & FONT_16) { 1043 bcopy(font_16, data, 16*256); 1044 return 0; 1045 } 1046 else 1047 return ENXIO; 1048 default: 1049 break; 1050 } 1051 1052 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1053 if (error >= 0) 1054 return(error); 1055 error = ttioctl(tp, cmd, data, flag); 1056 if (error >= 0) 1057 return(error); 1058 return(ENOTTY); 1059} 1060 1061void 1062scxint(dev_t dev) 1063{ 1064 struct tty *tp = scdevtotty(dev); 1065 1066 if (!tp) 1067 return; 1068 tp->t_state &= ~TS_BUSY; 1069 if (tp->t_line) 1070 (*linesw[tp->t_line].l_start)(tp); 1071 else 1072 scstart(tp); 1073} 1074 1075void 1076scstart(struct tty *tp) 1077{ 1078 struct clist *rbp; 1079 int i, s, len; 1080 u_char buf[PCBURST]; 1081 scr_stat *scp = get_scr_stat(tp->t_dev); 1082 1083 if (scp->status & SLKED || blink_in_progress) 1084 return; 1085 s = spltty(); 1086 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1087 tp->t_state |= TS_BUSY; 1088 splx(s); 1089 rbp = &tp->t_outq; 1090 while (rbp->c_cc) { 1091 len = q_to_b(rbp, buf, PCBURST); 1092 ansi_put(scp, buf, len); 1093 } 1094 scp->status |= UPDATE_SCREEN; 1095 s = spltty(); 1096 tp->t_state &= ~TS_BUSY; 1097 if (rbp->c_cc <= tp->t_lowat) { 1098 if (tp->t_state & TS_ASLEEP) { 1099 tp->t_state &= ~TS_ASLEEP; 1100 wakeup((caddr_t)rbp); 1101 } 1102 selwakeup(&tp->t_wsel); 1103 } 1104 } 1105 splx(s); 1106} 1107 1108void 1109pccnprobe(struct consdev *cp) 1110{ 1111 int maj; 1112 1113 /* locate the major number */ 1114 for (maj = 0; maj < nchrdev; maj++) 1115 if ((void*)cdevsw[maj].d_open == (void*)scopen) 1116 break; 1117 1118 /* initialize required fields */ 1119 cp->cn_dev = makedev(maj, MAXCONS); 1120 cp->cn_pri = CN_INTERNAL; 1121} 1122 1123void 1124pccninit(struct consdev *cp) 1125{ 1126 scinit(); 1127} 1128 1129void 1130pccnputc(dev_t dev, char c) 1131{ 1132 scr_stat *scp = console[0]; 1133 term_stat save = scp->term; 1134 1135 scp->term = kernel_console; 1136 current_default = &kernel_default; 1137 if (scp->scr_buf == Crtat) 1138 draw_cursor(scp, FALSE); 1139 if (c == '\n') 1140 ansi_put(scp, "\r\n", 2); 1141 else 1142 ansi_put(scp, &c, 1); 1143 scp->status |= UPDATE_SCREEN; 1144 kernel_console = scp->term; 1145 current_default = &user_default; 1146 scp->term = save; 1147 if (scp == cur_console /* && scrn_timer not running */) { 1148 if (scp->scr_buf != Crtat) { 1149 bcopyw(scp->scr_buf, Crtat, 1150 (scp->xsize*scp->ysize)*sizeof(u_short)); 1151 scp->status &= ~CURSOR_SHOWN; 1152 } 1153 draw_cursor(scp, TRUE); 1154 scp->status &= ~UPDATE_SCREEN; 1155 } 1156} 1157 1158int 1159pccngetc(dev_t dev) 1160{ 1161 int s = spltty(); /* block scintr while we poll */ 1162 int c = scgetc(0); 1163 splx(s); 1164 return(c); 1165} 1166 1167int 1168pccncheckc(dev_t dev) 1169{ 1170 return (scgetc(1) & 0xff); 1171} 1172 1173static void 1174scrn_timer() 1175{ 1176 static int cursor_blinkrate; 1177 scr_stat *scp = cur_console; 1178 1179 /* should we just return ? */ 1180 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1181 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1182 return; 1183 } 1184 1185 if (!scrn_blanked) { 1186 /* update entire screen image */ 1187 if (scp->status & UPDATE_SCREEN) { 1188 bcopyw(scp->scr_buf, Crtat, scp->xsize*scp->ysize*sizeof(u_short)); 1189 scp->status &= ~CURSOR_SHOWN; 1190 } 1191 /* update "pseudo" mouse arrow */ 1192 if ((scp->status & MOUSE_ENABLED) && 1193 ((scp->status & UPDATE_MOUSE) || (scp->status & UPDATE_SCREEN))) 1194 draw_mouse_image(scp); 1195 1196 /* update cursor image */ 1197 if (scp->status & CURSOR_ENABLED) 1198 draw_cursor(scp, 1199 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1200 1201 /* signal update done */ 1202 scp->status &= ~UPDATE_SCREEN; 1203 } 1204 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1205 (*current_saver)(TRUE); 1206 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1207} 1208 1209static void 1210clear_screen(scr_stat *scp) 1211{ 1212 move_crsr(scp, 0, 0); 1213 fillw(scp->term.cur_attr | scr_map[0x20], scp->scr_buf, 1214 scp->xsize * scp->ysize); 1215} 1216 1217static int 1218switch_scr(scr_stat *scp, u_int next_scr) 1219{ 1220 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1221 switch_in_progress = FALSE; 1222 1223 if (next_scr >= MAXCONS || switch_in_progress || 1224 (cur_console->smode.mode == VT_AUTO 1225 && cur_console->status & UNKNOWN_MODE)) { 1226 do_bell(scp, BELL_PITCH, BELL_DURATION); 1227 return EINVAL; 1228 } 1229 1230 /* is the wanted virtual console open ? */ 1231 if (next_scr) { 1232 struct tty *tp = VIRTUAL_TTY(next_scr); 1233 if (!(tp->t_state & TS_ISOPEN)) { 1234 do_bell(scp, BELL_PITCH, BELL_DURATION); 1235 return EINVAL; 1236 } 1237 } 1238 /* delay switch if actively updating screen */ 1239 if (write_in_progress || blink_in_progress) { 1240 delayed_next_scr = next_scr+1; 1241 return 0; 1242 } 1243 switch_in_progress = TRUE; 1244 old_scp = cur_console; 1245 new_scp = console[next_scr]; 1246 wakeup((caddr_t)&new_scp->smode); 1247 if (new_scp == old_scp) { 1248 switch_in_progress = FALSE; 1249 delayed_next_scr = FALSE; 1250 return 0; 1251 } 1252 1253 /* has controlling process died? */ 1254 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1255 old_scp->smode.mode = VT_AUTO; 1256 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1257 new_scp->smode.mode = VT_AUTO; 1258 1259 /* check the modes and switch approbiatly */ 1260 if (old_scp->smode.mode == VT_PROCESS) { 1261 old_scp->status |= SWITCH_WAIT_REL; 1262 psignal(old_scp->proc, old_scp->smode.relsig); 1263 } 1264 else { 1265 exchange_scr(); 1266 if (new_scp->smode.mode == VT_PROCESS) { 1267 new_scp->status |= SWITCH_WAIT_ACQ; 1268 psignal(new_scp->proc, new_scp->smode.acqsig); 1269 } 1270 else 1271 switch_in_progress = FALSE; 1272 } 1273 return 0; 1274} 1275 1276static void 1277exchange_scr(void) 1278{ 1279 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1280 cur_console = new_scp; 1281 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1282 if (crtc_vga && video_mode_ptr) 1283 set_mode(new_scp); 1284 } 1285 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1286 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1287 if (fonts_loaded & FONT_8) 1288 copy_font(LOAD, FONT_8, font_8); 1289 if (fonts_loaded & FONT_14) 1290 copy_font(LOAD, FONT_14, font_14); 1291 if (fonts_loaded & FONT_16) 1292 copy_font(LOAD, FONT_16, font_16); 1293 load_palette(); 1294 } 1295 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1296 shfts = ctls = alts = agrs = metas = 0; 1297 update_leds(new_scp->status); 1298 delayed_next_scr = FALSE; 1299 bcopyw(new_scp->scr_buf, Crtat, 1300 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1301 new_scp->status &= ~CURSOR_SHOWN; 1302} 1303 1304static inline void 1305move_crsr(scr_stat *scp, int x, int y) 1306{ 1307 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1308 return; 1309 scp->xpos = x; 1310 scp->ypos = y; 1311 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 1312} 1313 1314static void 1315scan_esc(scr_stat *scp, u_char c) 1316{ 1317 static u_char ansi_col[16] = 1318 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1319 int i, n; 1320 u_short *src, *dst, count; 1321 1322 if (scp->term.esc == 1) { 1323 switch (c) { 1324 1325 case '[': /* Start ESC [ sequence */ 1326 scp->term.esc = 2; 1327 scp->term.last_param = -1; 1328 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1329 scp->term.param[i] = 1; 1330 scp->term.num_param = 0; 1331 return; 1332 1333 case 'M': /* Move cursor up 1 line, scroll if at top */ 1334 if (scp->ypos > 0) 1335 move_crsr(scp, scp->xpos, scp->ypos - 1); 1336 else { 1337 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1338 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1339 fillw(scp->term.cur_attr | scr_map[0x20], 1340 scp->scr_buf, scp->xsize); 1341 } 1342 break; 1343#if notyet 1344 case 'Q': 1345 scp->term.esc = 4; 1346 break; 1347#endif 1348 case 'c': /* Clear screen & home */ 1349 clear_screen(scp); 1350 break; 1351 } 1352 } 1353 else if (scp->term.esc == 2) { 1354 if (c >= '0' && c <= '9') { 1355 if (scp->term.num_param < MAX_ESC_PAR) { 1356 if (scp->term.last_param != scp->term.num_param) { 1357 scp->term.last_param = scp->term.num_param; 1358 scp->term.param[scp->term.num_param] = 0; 1359 } 1360 else 1361 scp->term.param[scp->term.num_param] *= 10; 1362 scp->term.param[scp->term.num_param] += c - '0'; 1363 return; 1364 } 1365 } 1366 scp->term.num_param = scp->term.last_param + 1; 1367 switch (c) { 1368 1369 case ';': 1370 if (scp->term.num_param < MAX_ESC_PAR) 1371 return; 1372 break; 1373 1374 case '=': 1375 scp->term.esc = 3; 1376 scp->term.last_param = -1; 1377 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1378 scp->term.param[i] = 1; 1379 scp->term.num_param = 0; 1380 return; 1381 1382 case 'A': /* up n rows */ 1383 n = scp->term.param[0]; if (n < 1) n = 1; 1384 move_crsr(scp, scp->xpos, scp->ypos - n); 1385 break; 1386 1387 case 'B': /* down n rows */ 1388 n = scp->term.param[0]; if (n < 1) n = 1; 1389 move_crsr(scp, scp->xpos, scp->ypos + n); 1390 break; 1391 1392 case 'C': /* right n columns */ 1393 n = scp->term.param[0]; if (n < 1) n = 1; 1394 move_crsr(scp, scp->xpos + n, scp->ypos); 1395 break; 1396 1397 case 'D': /* left n columns */ 1398 n = scp->term.param[0]; if (n < 1) n = 1; 1399 move_crsr(scp, scp->xpos - n, scp->ypos); 1400 break; 1401 1402 case 'E': /* cursor to start of line n lines down */ 1403 n = scp->term.param[0]; if (n < 1) n = 1; 1404 move_crsr(scp, 0, scp->ypos + n); 1405 break; 1406 1407 case 'F': /* cursor to start of line n lines up */ 1408 n = scp->term.param[0]; if (n < 1) n = 1; 1409 move_crsr(scp, 0, scp->ypos - n); 1410 break; 1411 1412 case 'f': /* Cursor move */ 1413 case 'H': 1414 if (scp->term.num_param == 0) 1415 move_crsr(scp, 0, 0); 1416 else if (scp->term.num_param == 2) 1417 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1418 break; 1419 1420 case 'J': /* Clear all or part of display */ 1421 if (scp->term.num_param == 0) 1422 n = 0; 1423 else 1424 n = scp->term.param[0]; 1425 switch (n) { 1426 case 0: /* clear form cursor to end of display */ 1427 fillw(scp->term.cur_attr | scr_map[0x20], 1428 scp->cursor_pos, 1429 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1430 break; 1431 case 1: /* clear from beginning of display to cursor */ 1432 fillw(scp->term.cur_attr | scr_map[0x20], 1433 scp->scr_buf, 1434 scp->cursor_pos - scp->scr_buf); 1435 break; 1436 case 2: /* clear entire display */ 1437 clear_screen(scp); 1438 break; 1439 } 1440 break; 1441 1442 case 'K': /* Clear all or part of line */ 1443 if (scp->term.num_param == 0) 1444 n = 0; 1445 else 1446 n = scp->term.param[0]; 1447 switch (n) { 1448 case 0: /* clear form cursor to end of line */ 1449 fillw(scp->term.cur_attr | scr_map[0x20], 1450 scp->cursor_pos, 1451 scp->xsize - scp->xpos); 1452 break; 1453 case 1: /* clear from beginning of line to cursor */ 1454 fillw(scp->term.cur_attr|scr_map[0x20], 1455 scp->cursor_pos - (scp->xsize - scp->xpos), 1456 (scp->xsize - scp->xpos) + 1); 1457 break; 1458 case 2: /* clear entire line */ 1459 fillw(scp->term.cur_attr|scr_map[0x20], 1460 scp->cursor_pos - (scp->xsize - scp->xpos), 1461 scp->xsize); 1462 break; 1463 } 1464 break; 1465 1466 case 'L': /* Insert n lines */ 1467 n = scp->term.param[0]; if (n < 1) n = 1; 1468 if (n > scp->ysize - scp->ypos) 1469 n = scp->ysize - scp->ypos; 1470 src = scp->scr_buf + scp->ypos * scp->xsize; 1471 dst = src + n * scp->xsize; 1472 count = scp->ysize - (scp->ypos + n); 1473 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1474 fillw(scp->term.cur_attr | scr_map[0x20], src, 1475 n * scp->xsize); 1476 break; 1477 1478 case 'M': /* Delete n lines */ 1479 n = scp->term.param[0]; if (n < 1) n = 1; 1480 if (n > scp->ysize - scp->ypos) 1481 n = scp->ysize - scp->ypos; 1482 dst = scp->scr_buf + scp->ypos * scp->xsize; 1483 src = dst + n * scp->xsize; 1484 count = scp->ysize - (scp->ypos + n); 1485 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1486 src = dst + count * scp->xsize; 1487 fillw(scp->term.cur_attr | scr_map[0x20], src, 1488 n * scp->xsize); 1489 break; 1490 1491 case 'P': /* Delete n chars */ 1492 n = scp->term.param[0]; if (n < 1) n = 1; 1493 if (n > scp->xsize - scp->xpos) 1494 n = scp->xsize - scp->xpos; 1495 dst = scp->cursor_pos; 1496 src = dst + n; 1497 count = scp->xsize - (scp->xpos + n); 1498 bcopyw(src, dst, count * sizeof(u_short)); 1499 src = dst + count; 1500 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1501 break; 1502 1503 case '@': /* Insert n chars */ 1504 n = scp->term.param[0]; if (n < 1) n = 1; 1505 if (n > scp->xsize - scp->xpos) 1506 n = scp->xsize - scp->xpos; 1507 src = scp->cursor_pos; 1508 dst = src + n; 1509 count = scp->xsize - (scp->xpos + n); 1510 bcopyw(src, dst, count * sizeof(u_short)); 1511 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1512 break; 1513 1514 case 'S': /* scroll up n lines */ 1515 n = scp->term.param[0]; if (n < 1) n = 1; 1516 if (n > scp->ysize) 1517 n = scp->ysize; 1518 bcopyw(scp->scr_buf + (scp->xsize * n), 1519 scp->scr_buf, 1520 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1521 fillw(scp->term.cur_attr | scr_map[0x20], 1522 scp->scr_buf + scp->xsize * (scp->ysize - n), 1523 scp->xsize * n); 1524 break; 1525 1526 case 'T': /* scroll down n lines */ 1527 n = scp->term.param[0]; if (n < 1) n = 1; 1528 if (n > scp->ysize) 1529 n = scp->ysize; 1530 bcopyw(scp->scr_buf, 1531 scp->scr_buf + (scp->xsize * n), 1532 scp->xsize * (scp->ysize - n) * 1533 sizeof(u_short)); 1534 fillw(scp->term.cur_attr | scr_map[0x20], 1535 scp->scr_buf, scp->xsize * n); 1536 break; 1537 1538 case 'X': /* delete n characters in line */ 1539 n = scp->term.param[0]; if (n < 1) n = 1; 1540 if (n > scp->xsize - scp->xpos) 1541 n = scp->xsize - scp->xpos; 1542 fillw(scp->term.cur_attr | scr_map[0x20], 1543 scp->scr_buf + scp->xpos + 1544 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1545 break; 1546 1547 case 'Z': /* move n tabs backwards */ 1548 n = scp->term.param[0]; if (n < 1) n = 1; 1549 if ((i = scp->xpos & 0xf8) == scp->xpos) 1550 i -= 8*n; 1551 else 1552 i -= 8*(n-1); 1553 if (i < 0) 1554 i = 0; 1555 move_crsr(scp, i, scp->ypos); 1556 break; 1557 1558 case '`': /* move cursor to column n */ 1559 n = scp->term.param[0]; if (n < 1) n = 1; 1560 move_crsr(scp, n - 1, scp->ypos); 1561 break; 1562 1563 case 'a': /* move cursor n columns to the right */ 1564 n = scp->term.param[0]; if (n < 1) n = 1; 1565 move_crsr(scp, scp->xpos + n, scp->ypos); 1566 break; 1567 1568 case 'd': /* move cursor to row n */ 1569 n = scp->term.param[0]; if (n < 1) n = 1; 1570 move_crsr(scp, scp->xpos, n - 1); 1571 break; 1572 1573 case 'e': /* move cursor n rows down */ 1574 n = scp->term.param[0]; if (n < 1) n = 1; 1575 move_crsr(scp, scp->xpos, scp->ypos + n); 1576 break; 1577 1578 case 'm': /* change attribute */ 1579 if (scp->term.num_param == 0) { 1580 scp->term.cur_attr = scp->term.std_attr; 1581 break; 1582 } 1583 for (i = 0; i < scp->term.num_param; i++) { 1584 switch (n = scp->term.param[i]) { 1585 case 0: /* back to normal */ 1586 scp->term.cur_attr = scp->term.std_attr; 1587 break; 1588 case 1: /* highlight (bold) */ 1589 scp->term.cur_attr &= 0xFF00; 1590 scp->term.cur_attr |= 0x0800; 1591 break; 1592 case 4: /* highlight (underline) */ 1593 scp->term.cur_attr &= 0xFF00; 1594 scp->term.cur_attr |= 0x0800; 1595 break; 1596 case 5: /* blink */ 1597 scp->term.cur_attr &= 0xFF00; 1598 scp->term.cur_attr |= 0x8000; 1599 break; 1600 case 7: /* reverse video */ 1601 scp->term.cur_attr = scp->term.rev_attr; 1602 break; 1603 case 30: case 31: /* set fg color */ 1604 case 32: case 33: case 34: 1605 case 35: case 36: case 37: 1606 scp->term.cur_attr = 1607 (scp->term.cur_attr&0xF8FF) | (ansi_col[(n-30)&7]<<8); 1608 break; 1609 case 40: case 41: /* set bg color */ 1610 case 42: case 43: case 44: 1611 case 45: case 46: case 47: 1612 scp->term.cur_attr = 1613 (scp->term.cur_attr&0x8FFF) | (ansi_col[(n-40)&7]<<12); 1614 break; 1615 } 1616 } 1617 break; 1618 1619 case 'x': 1620 if (scp->term.num_param == 0) 1621 n = 0; 1622 else 1623 n = scp->term.param[0]; 1624 switch (n) { 1625 case 0: /* reset attributes */ 1626 scp->term.cur_attr = scp->term.std_attr = 1627 current_default->std_attr; 1628 scp->term.rev_attr = current_default->rev_attr; 1629 break; 1630 case 1: /* set ansi background */ 1631 scp->term.cur_attr = scp->term.std_attr = 1632 (scp->term.std_attr & 0x0F00) | 1633 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1634 break; 1635 case 2: /* set ansi foreground */ 1636 scp->term.cur_attr = scp->term.std_attr = 1637 (scp->term.std_attr & 0xF000) | 1638 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1639 break; 1640 case 3: /* set ansi attribute directly */ 1641 scp->term.cur_attr = scp->term.std_attr = 1642 (scp->term.param[1]&0xFF)<<8; 1643 break; 1644 case 5: /* set ansi reverse video background */ 1645 scp->term.rev_attr = 1646 (scp->term.rev_attr & 0x0F00) | 1647 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1648 break; 1649 case 6: /* set ansi reverse video foreground */ 1650 scp->term.rev_attr = 1651 (scp->term.rev_attr & 0xF000) | 1652 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1653 break; 1654 case 7: /* set ansi reverse video directly */ 1655 scp->term.rev_attr = 1656 (scp->term.param[1]&0xFF)<<8; 1657 break; 1658 } 1659 break; 1660 1661 case 'z': /* switch to (virtual) console n */ 1662 if (scp->term.num_param == 1) 1663 switch_scr(scp, scp->term.param[0]); 1664 break; 1665 } 1666 } 1667 else if (scp->term.esc == 3) { 1668 if (c >= '0' && c <= '9') { 1669 if (scp->term.num_param < MAX_ESC_PAR) { 1670 if (scp->term.last_param != scp->term.num_param) { 1671 scp->term.last_param = scp->term.num_param; 1672 scp->term.param[scp->term.num_param] = 0; 1673 } 1674 else 1675 scp->term.param[scp->term.num_param] *= 10; 1676 scp->term.param[scp->term.num_param] += c - '0'; 1677 return; 1678 } 1679 } 1680 scp->term.num_param = scp->term.last_param + 1; 1681 switch (c) { 1682 1683 case ';': 1684 if (scp->term.num_param < MAX_ESC_PAR) 1685 return; 1686 break; 1687 1688 case 'A': /* set display border color */ 1689 if (scp->term.num_param == 1) 1690 scp->border=scp->term.param[0] & 0xff; 1691 if (scp == cur_console) 1692 set_border(scp->border); 1693 break; 1694 1695 case 'B': /* set bell pitch and duration */ 1696 if (scp->term.num_param == 2) { 1697 scp->bell_pitch = scp->term.param[0]; 1698 scp->bell_duration = scp->term.param[1]*10; 1699 } 1700 break; 1701 1702 case 'C': /* set cursor type & shape */ 1703 if (scp->term.num_param == 1) { 1704 if (scp->term.param[0] & 0x01) 1705 configuration |= BLINK_CURSOR; 1706 else 1707 configuration &= ~BLINK_CURSOR; 1708 if (scp->term.param[0] & 0x02) 1709 configuration |= CHAR_CURSOR; 1710 else 1711 configuration &= ~CHAR_CURSOR; 1712 } 1713 else if (scp->term.num_param == 2) { 1714 scp->cursor_start = scp->term.param[0] & 0x1F; 1715 scp->cursor_end = scp->term.param[1] & 0x1F; 1716 } 1717 break; 1718 1719 case 'F': /* set ansi foreground */ 1720 if (scp->term.num_param == 1) 1721 scp->term.cur_attr = scp->term.std_attr = 1722 (scp->term.std_attr & 0xF000) 1723 | ((scp->term.param[0] & 0x0F) << 8); 1724 break; 1725 1726 case 'G': /* set ansi background */ 1727 if (scp->term.num_param == 1) 1728 scp->term.cur_attr = scp->term.std_attr = 1729 (scp->term.std_attr & 0x0F00) 1730 | ((scp->term.param[0] & 0x0F) << 12); 1731 break; 1732 1733 case 'H': /* set ansi reverse video foreground */ 1734 if (scp->term.num_param == 1) 1735 scp->term.rev_attr = 1736 (scp->term.rev_attr & 0xF000) 1737 | ((scp->term.param[0] & 0x0F) << 8); 1738 break; 1739 1740 case 'I': /* set ansi reverse video background */ 1741 if (scp->term.num_param == 1) 1742 scp->term.rev_attr = 1743 (scp->term.rev_attr & 0x0F00) 1744 | ((scp->term.param[0] & 0x0F) << 12); 1745 break; 1746 } 1747 } 1748 scp->term.esc = 0; 1749} 1750 1751static inline void 1752draw_cursor(scr_stat *scp, int show) 1753{ 1754 if (show && !(scp->status & CURSOR_SHOWN)) { 1755 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 1756 1757 scp->cursor_saveunder = cursor_image; 1758 if (configuration & CHAR_CURSOR) 1759 cursor_image = (cursor_image & 0xff00) | '_'; 1760 else { 1761 if ((cursor_image & 0x7000) == 0x7000) { 1762 cursor_image &= 0x8fff; 1763 if(!(cursor_image & 0x0700)) 1764 cursor_image |= 0x0700; 1765 } else { 1766 cursor_image |= 0x7000; 1767 if ((cursor_image & 0x0700) == 0x0700) 1768 cursor_image &= 0xf0ff; 1769 } 1770 } 1771 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 1772 scp->status |= CURSOR_SHOWN; 1773 } 1774 if (!show && (scp->status & CURSOR_SHOWN)) { 1775 *(Crtat+(scp->cursor_pos-scp->scr_buf)) = scp->cursor_saveunder; 1776 scp->status &= ~CURSOR_SHOWN; 1777 } 1778} 1779 1780static void 1781ansi_put(scr_stat *scp, u_char *buf, int len) 1782{ 1783 u_char *ptr = buf; 1784 1785 if (scp->status & UNKNOWN_MODE) 1786 return; 1787 1788 /* make screensaver happy */ 1789 if (scp == cur_console) { 1790 scrn_time_stamp = time.tv_sec; 1791 if (scrn_blanked) 1792 (*current_saver)(FALSE); 1793 } 1794 write_in_progress++; 1795outloop: 1796 if (scp->term.esc) { 1797 scan_esc(scp, *ptr++); 1798 len--; 1799 } 1800 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1801 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1802 u_short cur_attr = scp->term.cur_attr; 1803 u_short *cursor_pos = scp->cursor_pos; 1804 do { 1805 *cursor_pos++ = (scr_map[*ptr++] | cur_attr); 1806 cnt--; 1807 } while (cnt && PRINTABLE(*ptr)); 1808 len -= (cursor_pos - scp->cursor_pos); 1809 scp->xpos += (cursor_pos - scp->cursor_pos); 1810 scp->cursor_pos = cursor_pos; 1811 if (scp->xpos >= scp->xsize) { 1812 scp->xpos = 0; 1813 scp->ypos++; 1814 } 1815 } 1816 else { 1817 switch(*ptr) { 1818 case 0x07: 1819 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1820 break; 1821 1822 case 0x08: /* non-destructive backspace */ 1823 if (scp->cursor_pos > scp->scr_buf) { 1824 scp->cursor_pos--; 1825 if (scp->xpos > 0) 1826 scp->xpos--; 1827 else { 1828 scp->xpos += scp->xsize - 1; 1829 scp->ypos--; 1830 } 1831 } 1832 break; 1833 1834 case 0x09: /* non-destructive tab */ 1835 { 1836 int i = 8 - scp->xpos % 8u; 1837 1838 scp->cursor_pos += i; 1839 if ((scp->xpos += i) >= scp->xsize) { 1840 scp->xpos = 0; 1841 scp->ypos++; 1842 } 1843 } 1844 break; 1845 1846 case 0x0a: /* newline, same pos */ 1847 scp->cursor_pos += scp->xsize; 1848 scp->ypos++; 1849 break; 1850 1851 case 0x0c: /* form feed, clears screen */ 1852 clear_screen(scp); 1853 break; 1854 1855 case 0x0d: /* return, return to pos 0 */ 1856 scp->cursor_pos -= scp->xpos; 1857 scp->xpos = 0; 1858 break; 1859 1860 case 0x1b: /* start escape sequence */ 1861 scp->term.esc = 1; 1862 scp->term.num_param = 0; 1863 break; 1864 } 1865 ptr++; len--; 1866 } 1867 /* do we have to scroll ?? */ 1868 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 1869 if (scp->history) { 1870 bcopyw(scp->scr_buf, scp->history_head, 1871 scp->xsize * sizeof(u_short)); 1872 scp->history_head += scp->xsize; 1873 if (scp->history_head + scp->xsize > 1874 scp->history + scp->history_size) 1875 scp->history_head = scp->history; 1876 } 1877 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 1878 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 1879 fillw(scp->term.cur_attr | scr_map[0x20], 1880 scp->scr_buf + scp->xsize * (scp->ysize - 1), 1881 scp->xsize); 1882 scp->cursor_pos -= scp->xsize; 1883 scp->ypos--; 1884 } 1885 if (len) 1886 goto outloop; 1887 write_in_progress--; 1888 if (delayed_next_scr) 1889 switch_scr(scp, delayed_next_scr - 1); 1890} 1891 1892static void 1893scinit(void) 1894{ 1895 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1896 unsigned hw_cursor; 1897 int i; 1898 1899 if (init_done) 1900 return; 1901 init_done = TRUE; 1902 /* 1903 * Crtat initialized to point to MONO buffer, if not present change 1904 * to CGA_BUF offset. ONLY add the difference since locore.s adds 1905 * in the remapped offset at the "right" time 1906 */ 1907 was = *cp; 1908 *cp = (u_short) 0xA55A; 1909 if (*cp != 0xA55A) 1910 crtc_addr = MONO_BASE; 1911 else { 1912 *cp = was; 1913 crtc_addr = COLOR_BASE; 1914 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1915 } 1916 1917 /* extract cursor location */ 1918 outb(crtc_addr,14); 1919 hw_cursor = inb(crtc_addr+1)<<8 ; 1920 outb(crtc_addr,15); 1921 hw_cursor |= inb(crtc_addr+1); 1922 1923 /* move hardware cursor out of the way */ 1924 outb(crtc_addr,14); 1925 outb(crtc_addr+1, 0xff); 1926 outb(crtc_addr,15); 1927 outb(crtc_addr+1, 0xff); 1928 1929 /* is this a VGA or higher ? */ 1930 outb(crtc_addr, 7); 1931 if (inb(crtc_addr) == 7) { 1932 u_long pa; 1933 u_long segoff; 1934 1935 crtc_vga = TRUE; 1936 1937 /* 1938 * Get the BIOS video mode pointer. 1939 */ 1940 segoff = *(u_long *)pa_to_va(0x4a8); 1941 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 1942 if (ISMAPPED(pa, sizeof(u_long))) { 1943 segoff = *(u_long *)pa_to_va(pa); 1944 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 1945 if (ISMAPPED(pa, 64)) 1946 video_mode_ptr = (char *)pa_to_va(pa); 1947 } 1948 } 1949 current_default = &user_default; 1950 console[0] = &main_console; 1951 init_scp(console[0]); 1952 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 1953 console[0]->cursor_pos = Crtat + hw_cursor; 1954 console[0]->xpos = hw_cursor % COL; 1955 console[0]->ypos = hw_cursor / COL; 1956 cur_console = console[0]; 1957 for (i=1; i<MAXCONS; i++) 1958 console[i] = NULL; 1959 kernel_console.esc = 0; 1960 kernel_console.std_attr = kernel_default.std_attr; 1961 kernel_console.rev_attr = kernel_default.rev_attr; 1962 kernel_console.cur_attr = kernel_default.std_attr; 1963 /* initialize mapscrn array to a one to one map */ 1964 for (i=0; i<sizeof(scr_map); i++) 1965 scr_map[i] = i; 1966} 1967 1968static scr_stat 1969*alloc_scp() 1970{ 1971 scr_stat *scp; 1972 1973 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_NOWAIT); 1974 init_scp(scp); 1975 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 1976 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 1977 M_DEVBUF, M_NOWAIT); 1978 scp->history_head = scp->history_pos = scp->history = 1979 (u_short *)malloc(scp->history_size*sizeof(u_short), 1980 M_DEVBUF, M_NOWAIT); 1981 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 1982 if (crtc_vga && video_mode_ptr) 1983 set_mode(scp); 1984 clear_screen(scp); 1985 return scp; 1986} 1987 1988static void 1989init_scp(scr_stat *scp) 1990{ 1991 scp->mode = M_VGA_C80x25; 1992 scp->font = FONT_16; 1993 scp->xsize = COL; 1994 scp->ysize = ROW; 1995 scp->term.esc = 0; 1996 scp->term.std_attr = current_default->std_attr; 1997 scp->term.rev_attr = current_default->rev_attr; 1998 scp->term.cur_attr = scp->term.std_attr; 1999 scp->border = BG_BLACK; 2000 scp->cursor_start = -1; 2001 scp->cursor_end = -1; 2002 scp->mouse_xpos = scp->mouse_ypos = 0; 2003 scp->bell_pitch = BELL_PITCH; 2004 scp->bell_duration = BELL_DURATION; 2005 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2006 scp->status |= CURSOR_ENABLED; 2007 scp->pid = 0; 2008 scp->proc = NULL; 2009 scp->smode.mode = VT_AUTO; 2010 scp->history_head = scp->history_pos = scp->history = NULL; 2011 scp->history_size = HISTORY_SIZE; 2012} 2013 2014static u_char 2015*get_fstr(u_int c, u_int *len) 2016{ 2017 u_int i; 2018 2019 if (!(c & FKEY)) 2020 return(NULL); 2021 i = (c & 0xFF) - F_FN; 2022 if (i > n_fkey_tab) 2023 return(NULL); 2024 *len = fkey_tab[i].len; 2025 return(fkey_tab[i].str); 2026} 2027 2028static void 2029update_leds(int which) 2030{ 2031 int s; 2032 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2033 2034 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2035 if (key_map.n_keys > ALTGR_OFFSET) { 2036 if (which & ALKED) 2037 which |= CLKED; 2038 else 2039 which &= ~CLKED; 2040 } 2041 s = spltty(); 2042 kbd_cmd(KB_SETLEDS); 2043 kbd_cmd(xlate_leds[which & LED_MASK]); 2044 splx(s); 2045} 2046 2047static void 2048history_to_screen(scr_stat *scp) 2049{ 2050 int i; 2051 2052 scp->status &= ~UPDATE_SCREEN; 2053 for (i=0; i<scp->ysize; i++) 2054 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2055 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2056 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2057 scp->xsize * sizeof(u_short)); 2058 scp->status |= UPDATE_SCREEN; 2059} 2060 2061static int 2062history_up_line(scr_stat *scp) 2063{ 2064 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2065 scp->history_head) { 2066 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2067 history_to_screen(scp); 2068 return 0; 2069 } 2070 else 2071 return -1; 2072} 2073 2074static int 2075history_down_line(scr_stat *scp) 2076{ 2077 if (scp->history_pos != scp->history_head) { 2078 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2079 history_to_screen(scp); 2080 return 0; 2081 } 2082 else 2083 return -1; 2084} 2085 2086/* 2087 * scgetc(noblock) - get character from keyboard. 2088 * If noblock = 0 wait until a key is pressed. 2089 * Else return NOKEY. 2090 */ 2091u_int 2092scgetc(int noblock) 2093{ 2094 u_char scancode, keycode; 2095 u_int state, action; 2096 struct key_t *key; 2097 static u_char esc_flag = 0, compose = 0; 2098 static u_int chr = 0; 2099 2100next_code: 2101 kbd_wait(); 2102 /* First see if there is something in the keyboard port */ 2103 if (inb(KB_STAT) & KB_BUF_FULL) 2104 scancode = inb(KB_DATA); 2105 else if (noblock) 2106 return(NOKEY); 2107 else 2108 goto next_code; 2109 2110 if (cur_console->status & KBD_RAW_MODE) 2111 return scancode; 2112#if ASYNCH 2113 if (scancode == KB_ACK || scancode == KB_RESEND) { 2114 kbd_reply = scancode; 2115 if (noblock) 2116 return(NOKEY); 2117 goto next_code; 2118 } 2119#endif 2120 keycode = scancode & 0x7F; 2121 switch (esc_flag) { 2122 case 0x00: /* normal scancode */ 2123 switch(scancode) { 2124 case 0xB8: /* left alt (compose key) */ 2125 if (compose) { 2126 compose = 0; 2127 if (chr > 255) { 2128 do_bell(cur_console, 2129 BELL_PITCH, BELL_DURATION); 2130 chr = 0; 2131 } 2132 } 2133 break; 2134 case 0x38: 2135 if (!compose) { 2136 compose = 1; 2137 chr = 0; 2138 } 2139 break; 2140 case 0xE0: 2141 case 0xE1: 2142 esc_flag = scancode; 2143 goto next_code; 2144 } 2145 break; 2146 case 0xE0: /* 0xE0 prefix */ 2147 esc_flag = 0; 2148 switch (keycode) { 2149 case 0x1C: /* right enter key */ 2150 keycode = 0x59; 2151 break; 2152 case 0x1D: /* right ctrl key */ 2153 keycode = 0x5A; 2154 break; 2155 case 0x35: /* keypad divide key */ 2156 keycode = 0x5B; 2157 break; 2158 case 0x37: /* print scrn key */ 2159 keycode = 0x5C; 2160 break; 2161 case 0x38: /* right alt key (alt gr) */ 2162 keycode = 0x5D; 2163 break; 2164 case 0x47: /* grey home key */ 2165 keycode = 0x5E; 2166 break; 2167 case 0x48: /* grey up arrow key */ 2168 keycode = 0x5F; 2169 break; 2170 case 0x49: /* grey page up key */ 2171 keycode = 0x60; 2172 break; 2173 case 0x4B: /* grey left arrow key */ 2174 keycode = 0x61; 2175 break; 2176 case 0x4D: /* grey right arrow key */ 2177 keycode = 0x62; 2178 break; 2179 case 0x4F: /* grey end key */ 2180 keycode = 0x63; 2181 break; 2182 case 0x50: /* grey down arrow key */ 2183 keycode = 0x64; 2184 break; 2185 case 0x51: /* grey page down key */ 2186 keycode = 0x65; 2187 break; 2188 case 0x52: /* grey insert key */ 2189 keycode = 0x66; 2190 break; 2191 case 0x53: /* grey delete key */ 2192 keycode = 0x67; 2193 break; 2194 2195 /* the following 3 are only used on the MS "Natural" keyboard */ 2196 case 0x5b: /* left Window key */ 2197 keycode = 0x69; 2198 break; 2199 case 0x5c: /* right Window key */ 2200 keycode = 0x6a; 2201 break; 2202 case 0x5d: /* menu key */ 2203 keycode = 0x6b; 2204 break; 2205 default: /* ignore everything else */ 2206 goto next_code; 2207 } 2208 break; 2209 case 0xE1: /* 0xE1 prefix */ 2210 esc_flag = 0; 2211 if (keycode == 0x1D) 2212 esc_flag = 0x1D; 2213 goto next_code; 2214 /* NOT REACHED */ 2215 case 0x1D: /* pause / break */ 2216 esc_flag = 0; 2217 if (keycode != 0x45) 2218 goto next_code; 2219 keycode = 0x68; 2220 break; 2221 } 2222 2223 /* if scroll-lock pressed allow history browsing */ 2224 if (cur_console->history && cur_console->status & SLKED) { 2225 int i; 2226 2227 cur_console->status &= ~CURSOR_ENABLED; 2228 if (!(cur_console->status & BUFFER_SAVED)) { 2229 cur_console->status |= BUFFER_SAVED; 2230 cur_console->history_save = cur_console->history_head; 2231 2232 /* copy screen into top of history buffer */ 2233 for (i=0; i<cur_console->ysize; i++) { 2234 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2235 cur_console->history_head, 2236 cur_console->xsize * sizeof(u_short)); 2237 cur_console->history_head += cur_console->xsize; 2238 if (cur_console->history_head + cur_console->xsize > 2239 cur_console->history + cur_console->history_size) 2240 cur_console->history_head=cur_console->history; 2241 } 2242 cur_console->history_pos = cur_console->history_head; 2243 history_to_screen(cur_console); 2244 } 2245 switch (scancode) { 2246 case 0x47: /* home key */ 2247 cur_console->history_pos = cur_console->history_head; 2248 history_to_screen(cur_console); 2249 goto next_code; 2250 2251 case 0x4F: /* end key */ 2252 cur_console->history_pos = 2253 WRAPHIST(cur_console, cur_console->history_head, 2254 cur_console->xsize*cur_console->ysize); 2255 history_to_screen(cur_console); 2256 goto next_code; 2257 2258 case 0x48: /* up arrow key */ 2259 if (history_up_line(cur_console)) 2260 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2261 goto next_code; 2262 2263 case 0x50: /* down arrow key */ 2264 if (history_down_line(cur_console)) 2265 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2266 goto next_code; 2267 2268 case 0x49: /* page up key */ 2269 for (i=0; i<cur_console->ysize; i++) 2270 if (history_up_line(cur_console)) { 2271 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2272 break; 2273 } 2274 goto next_code; 2275 2276 case 0x51: /* page down key */ 2277 for (i=0; i<cur_console->ysize; i++) 2278 if (history_down_line(cur_console)) { 2279 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2280 break; 2281 } 2282 goto next_code; 2283 } 2284 } 2285 2286 if (compose) { 2287 switch (scancode) { 2288 /* key pressed process it */ 2289 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2290 chr = (scancode - 0x40) + chr*10; 2291 goto next_code; 2292 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2293 chr = (scancode - 0x47) + chr*10; 2294 goto next_code; 2295 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2296 chr = (scancode - 0x4E) + chr*10; 2297 goto next_code; 2298 case 0x52: /* keypad 0 */ 2299 chr *= 10; 2300 goto next_code; 2301 2302 /* key release, no interest here */ 2303 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2304 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2305 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2306 case 0xD2: /* keypad 0 */ 2307 goto next_code; 2308 2309 case 0x38: /* left alt key */ 2310 break; 2311 default: 2312 if (chr) { 2313 compose = chr = 0; 2314 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2315 goto next_code; 2316 } 2317 break; 2318 } 2319 } 2320 2321 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2322 if ((!agrs && (cur_console->status & ALKED)) 2323 || (agrs && !(cur_console->status & ALKED))) 2324 keycode += ALTGR_OFFSET; 2325 key = &key_map.key[keycode]; 2326 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2327 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2328 state ^= 1; 2329 2330 /* Check for make/break */ 2331 action = key->map[state]; 2332 if (scancode & 0x80) { /* key released */ 2333 if (key->spcl & 0x80) { 2334 switch (action) { 2335 case LSH: 2336 shfts &= ~1; 2337 break; 2338 case RSH: 2339 shfts &= ~2; 2340 break; 2341 case LCTR: 2342 ctls &= ~1; 2343 break; 2344 case RCTR: 2345 ctls &= ~2; 2346 break; 2347 case LALT: 2348 alts &= ~1; 2349 break; 2350 case RALT: 2351 alts &= ~2; 2352 break; 2353 case NLK: 2354 nlkcnt = 0; 2355 break; 2356 case CLK: 2357 clkcnt = 0; 2358 break; 2359 case SLK: 2360 slkcnt = 0; 2361 break; 2362 case ASH: 2363 agrs = 0; 2364 break; 2365 case ALK: 2366 alkcnt = 0; 2367 break; 2368 case META: 2369 metas = 0; 2370 break; 2371 } 2372 } 2373 if (chr && !compose) { 2374 action = chr; 2375 chr = 0; 2376 return(action); 2377 } 2378 } else { 2379 /* key pressed */ 2380 if (key->spcl & (0x80>>state)) { 2381 switch (action) { 2382 /* LOCKING KEYS */ 2383 case NLK: 2384 if (!nlkcnt) { 2385 nlkcnt++; 2386 if (cur_console->status & NLKED) 2387 cur_console->status &= ~NLKED; 2388 else 2389 cur_console->status |= NLKED; 2390 update_leds(cur_console->status); 2391 } 2392 break; 2393 case CLK: 2394 if (!clkcnt) { 2395 clkcnt++; 2396 if (cur_console->status & CLKED) 2397 cur_console->status &= ~CLKED; 2398 else 2399 cur_console->status |= CLKED; 2400 update_leds(cur_console->status); 2401 } 2402 break; 2403 case SLK: 2404 if (!slkcnt) { 2405 slkcnt++; 2406 if (cur_console->status & SLKED) { 2407 cur_console->status &= ~SLKED; 2408 if (cur_console->status & BUFFER_SAVED){ 2409 int i; 2410 u_short *ptr = cur_console->history_save; 2411 2412 for (i=0; i<cur_console->ysize; i++) { 2413 bcopyw(ptr, 2414 cur_console->scr_buf + 2415 (cur_console->xsize*i), 2416 cur_console->xsize * sizeof(u_short)); 2417 ptr += cur_console->xsize; 2418 if (ptr + cur_console->xsize > 2419 cur_console->history + 2420 cur_console->history_size) 2421 ptr = cur_console->history; 2422 } 2423 cur_console->status&=~BUFFER_SAVED; 2424 cur_console->history_head=cur_console->history_save; 2425 cur_console->status|=(CURSOR_ENABLED|UPDATE_SCREEN); 2426 } 2427 scstart(VIRTUAL_TTY(get_scr_num())); 2428 } 2429 else 2430 cur_console->status |= SLKED; 2431 update_leds(cur_console->status); 2432 } 2433 break; 2434 case ALK: 2435 if (!alkcnt) { 2436 alkcnt++; 2437 if (cur_console->status & ALKED) 2438 cur_console->status &= ~ALKED; 2439 else 2440 cur_console->status |= ALKED; 2441 update_leds(cur_console->status); 2442 } 2443 break; 2444 2445 /* NON-LOCKING KEYS */ 2446 case NOP: 2447 break; 2448 case RBT: 2449 shutdown_nice(); 2450 break; 2451 case SUSP: 2452#if NAPM > 0 2453 apm_suspend(); 2454#endif 2455 break; 2456 2457 case DBG: 2458#ifdef DDB /* try to switch to console 0 */ 2459 if (cur_console->smode.mode == VT_AUTO && 2460 console[0]->smode.mode == VT_AUTO) 2461 switch_scr(cur_console, 0); 2462 Debugger("manual escape to debugger"); 2463 return(NOKEY); 2464#else 2465 printf("No debugger in kernel\n"); 2466#endif 2467 break; 2468 case LSH: 2469 shfts |= 1; 2470 break; 2471 case RSH: 2472 shfts |= 2; 2473 break; 2474 case LCTR: 2475 ctls |= 1; 2476 break; 2477 case RCTR: 2478 ctls |= 2; 2479 break; 2480 case LALT: 2481 alts |= 1; 2482 break; 2483 case RALT: 2484 alts |= 2; 2485 break; 2486 case ASH: 2487 agrs = 1; 2488 break; 2489 case META: 2490 metas = 1; 2491 break; 2492 case NEXT: 2493 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2494 break; 2495 case BTAB: 2496 return(BKEY); 2497 default: 2498 if (action >= F_SCR && action <= L_SCR) { 2499 switch_scr(cur_console, action - F_SCR); 2500 break; 2501 } 2502 if (action >= F_FN && action <= L_FN) 2503 action |= FKEY; 2504 return(action); 2505 } 2506 } 2507 else { 2508 if (metas) 2509 action |= MKEY; 2510 return(action); 2511 } 2512 } 2513 goto next_code; 2514} 2515 2516int 2517scmmap(dev_t dev, int offset, int nprot) 2518{ 2519 if (offset > 0x20000 - PAGE_SIZE) 2520 return -1; 2521 return i386_btop((VIDEOMEM + offset)); 2522} 2523 2524static void 2525kbd_wait(void) 2526{ 2527 int i = 1000; 2528 2529 while (i--) { 2530 if ((inb(KB_STAT) & KB_READY) == 0) 2531 break; 2532 DELAY (10); 2533 } 2534} 2535 2536static void 2537kbd_cmd(u_char command) 2538{ 2539 int retry = 5; 2540 do { 2541 int i = 100000; 2542 2543 kbd_wait(); 2544#if ASYNCH 2545 kbd_reply = 0; 2546 outb(KB_DATA, command); 2547 while (i--) { 2548 if (kbd_reply == KB_ACK) 2549 return; 2550 if (kbd_reply == KB_RESEND) 2551 break; 2552 } 2553#else 2554 outb(KB_DATA, command); 2555 while (i--) { 2556 if (inb(KB_STAT) & KB_BUF_FULL) { 2557 int val; 2558 DELAY(10); 2559 val = inb(KB_DATA); 2560 if (val == KB_ACK) 2561 return; 2562 if (val == KB_RESEND) 2563 break; 2564 } 2565 } 2566#endif 2567 } while (retry--); 2568} 2569 2570static void 2571set_mode(scr_stat *scp) 2572{ 2573 char *modetable; 2574 char special_modetable[64]; 2575 int mode, font_size; 2576 2577 if (scp != cur_console) 2578 return; 2579 2580 /* setup video hardware for the given mode */ 2581 switch (scp->mode) { 2582 case M_VGA_M80x60: 2583 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2584 goto special_80x60; 2585 2586 case M_VGA_C80x60: 2587 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2588special_80x60: 2589 special_modetable[2] = 0x08; 2590 special_modetable[19] = 0x47; 2591 goto special_480l; 2592 2593 case M_VGA_M80x30: 2594 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2595 goto special_80x30; 2596 2597 case M_VGA_C80x30: 2598 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2599special_80x30: 2600 special_modetable[19] = 0x4f; 2601special_480l: 2602 special_modetable[9] |= 0xc0; 2603 special_modetable[16] = 0x08; 2604 special_modetable[17] = 0x3e; 2605 special_modetable[26] = 0xea; 2606 special_modetable[28] = 0xdf; 2607 special_modetable[31] = 0xe7; 2608 special_modetable[32] = 0x04; 2609 modetable = special_modetable; 2610 goto setup_mode; 2611 2612 case M_ENH_B80x43: 2613 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2614 goto special_80x43; 2615 2616 case M_ENH_C80x43: 2617 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2618special_80x43: 2619 special_modetable[28] = 87; 2620 goto special_80x50; 2621 2622 case M_VGA_M80x50: 2623 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2624 goto special_80x50; 2625 2626 case M_VGA_C80x50: 2627 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2628special_80x50: 2629 special_modetable[2] = 8; 2630 special_modetable[19] = 7; 2631 modetable = special_modetable; 2632 goto setup_mode; 2633 2634 case M_VGA_C40x25: case M_VGA_C80x25: 2635 case M_VGA_M80x25: 2636 case M_B40x25: case M_C40x25: 2637 case M_B80x25: case M_C80x25: 2638 case M_ENH_B40x25: case M_ENH_C40x25: 2639 case M_ENH_B80x25: case M_ENH_C80x25: 2640 2641 modetable = video_mode_ptr + (scp->mode * 64); 2642setup_mode: 2643 set_vgaregs(modetable); 2644 font_size = *(modetable + 2); 2645 2646 /* set font type (size) */ 2647 switch (font_size) { 2648 case 0x10: 2649 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2650 scp->font = FONT_16; 2651 break; 2652 case 0x0E: 2653 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2654 scp->font = FONT_14; 2655 break; 2656 default: 2657 case 0x08: 2658 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2659 scp->font = FONT_8; 2660 break; 2661 } 2662 break; 2663 2664 case M_BG320: case M_CG320: case M_BG640: 2665 case M_CG320_D: case M_CG640_E: 2666 case M_CG640x350: case M_ENH_CG640: 2667 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2668 2669 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2670 break; 2671 2672 default: 2673 /* call user defined function XXX */ 2674 break; 2675 } 2676 2677 /* set border color for this (virtual) console */ 2678 set_border(scp->border); 2679 return; 2680} 2681 2682void 2683set_border(int color) 2684{ 2685 inb(crtc_addr+6); /* reset flip-flop */ 2686 outb(ATC, 0x11); outb(ATC, color); 2687 inb(crtc_addr+6); /* reset flip-flop */ 2688 outb(ATC, 0x20); /* enable Palette */ 2689} 2690 2691static void 2692set_vgaregs(char *modetable) 2693{ 2694 int i, s = splhigh(); 2695 2696 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2697 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2698 for (i=0; i<4; i++) { /* program sequencer */ 2699 outb(TSIDX, i+1); 2700 outb(TSREG, modetable[i+5]); 2701 } 2702 outb(MISC, modetable[9]); /* set dot-clock */ 2703 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2704 outb(crtc_addr, 0x11); 2705 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2706 for (i=0; i<25; i++) { /* program crtc */ 2707 outb(crtc_addr, i); 2708 if (i == 14 || i == 15) /* no hardware cursor */ 2709 outb(crtc_addr+1, 0xff); 2710 else 2711 outb(crtc_addr+1, modetable[i+10]); 2712 } 2713 inb(crtc_addr+6); /* reset flip-flop */ 2714 for (i=0; i<20; i++) { /* program attribute ctrl */ 2715 outb(ATC, i); 2716 outb(ATC, modetable[i+35]); 2717 } 2718 for (i=0; i<9; i++) { /* program graph data ctrl */ 2719 outb(GDCIDX, i); 2720 outb(GDCREG, modetable[i+55]); 2721 } 2722 inb(crtc_addr+6); /* reset flip-flop */ 2723 outb(ATC ,0x20); /* enable palette */ 2724 splx(s); 2725} 2726 2727static void 2728set_font_mode() 2729{ 2730 /* setup vga for loading fonts (graphics plane mode) */ 2731 inb(crtc_addr+6); 2732 outb(ATC, 0x30); outb(ATC, 0x01); 2733#if SLOW_VGA 2734 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2735 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2736 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2737 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2738 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2739#else 2740 outw(TSIDX, 0x0402); 2741 outw(TSIDX, 0x0604); 2742 outw(GDCIDX, 0x0204); 2743 outw(GDCIDX, 0x0005); 2744 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2745#endif 2746} 2747 2748static void 2749set_normal_mode() 2750{ 2751 int s = splhigh(); 2752 2753 /* setup vga for normal operation mode again */ 2754 inb(crtc_addr+6); 2755 outb(ATC, 0x30); outb(ATC, 0x0C); 2756#if SLOW_VGA 2757 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2758 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2759 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2760 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2761 if (crtc_addr == MONO_BASE) { 2762 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2763 } 2764 else { 2765 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2766 } 2767#else 2768 outw(TSIDX, 0x0302); 2769 outw(TSIDX, 0x0204); 2770 outw(GDCIDX, 0x0004); 2771 outw(GDCIDX, 0x1005); 2772 if (crtc_addr == MONO_BASE) 2773 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2774 else 2775 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2776#endif 2777 splx(s); 2778} 2779 2780static void 2781copy_font(int operation, int font_type, char* font_image) 2782{ 2783 int ch, line, segment, fontsize; 2784 u_char val; 2785 2786 switch (font_type) { 2787 default: 2788 case FONT_8: 2789 segment = 0x8000; 2790 fontsize = 8; 2791 break; 2792 case FONT_14: 2793 segment = 0x4000; 2794 fontsize = 14; 2795 break; 2796 case FONT_16: 2797 segment = 0x0000; 2798 fontsize = 16; 2799 break; 2800 } 2801 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 2802 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2803 set_font_mode(); 2804 for (ch=0; ch < 256; ch++) 2805 for (line=0; line < fontsize; line++) 2806 if (operation) 2807 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 2808 font_image[(ch*fontsize)+line]; 2809 else 2810 font_image[(ch*fontsize)+line] = 2811 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 2812 set_normal_mode(); 2813 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 2814} 2815 2816static void 2817draw_mouse_image(scr_stat *scp) 2818{ 2819 caddr_t address; 2820 int i, font_size; 2821 char *font_buffer; 2822 u_short buffer[32]; 2823 u_short xoffset, yoffset; 2824 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 2825 2826 xoffset = scp->mouse_xpos % 8; 2827 switch (scp->font) { 2828 default: 2829 case FONT_8: 2830 font_size = 8; 2831 font_buffer = font_8; 2832 yoffset = scp->mouse_ypos % 8; 2833 address = (caddr_t)VIDEOMEM+0x8000; 2834 break; 2835 case FONT_14: 2836 font_size = 14; 2837 font_buffer = font_14; 2838 yoffset = scp->mouse_ypos % 14; 2839 address = (caddr_t)VIDEOMEM+0x4000; 2840 break; 2841 case FONT_16: 2842 font_size = 16; 2843 font_buffer = font_16; 2844 yoffset = scp->mouse_ypos % 16; 2845 address = (caddr_t)VIDEOMEM; 2846 break; 2847 } 2848 2849 bcopyw(font_buffer+((*(scp->mouse_pos) & 0xff)*font_size), 2850 &scp->mouse_cursor[0], font_size); 2851 bcopyw(font_buffer+((*(scp->mouse_pos+1) & 0xff)*font_size), 2852 &scp->mouse_cursor[32], font_size); 2853 bcopyw(font_buffer+((*(scp->mouse_pos+scp->xsize) & 0xff)*font_size), 2854 &scp->mouse_cursor[64], font_size); 2855 bcopyw(font_buffer+((*(scp->mouse_pos+scp->xsize+1) & 0xff)*font_size), 2856 &scp->mouse_cursor[96], font_size); 2857 2858 for (i=0; i<font_size; i++) { 2859 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 2860 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 2861 } 2862 for (i=0; i<16; i++) { 2863 buffer[i+yoffset] = 2864 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 2865 | (mouse_or_mask[i] >> xoffset); 2866 } 2867 for (i=0; i<font_size; i++) { 2868 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 2869 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 2870 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 2871 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 2872 } 2873 /* 2874 * if we didn't update entire screen, restore old mouse position 2875 * and check if we overwrote the cursor location.. 2876 */ 2877 if ((scp->status & UPDATE_MOUSE) && !(scp->status & UPDATE_SCREEN)) { 2878 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 2879 2880 if (crt_pos != scp->mouse_oldpos) { 2881 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 2882 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 2883 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 2884 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 2885 } 2886 scp->mouse_saveunder[0] = *(scp->mouse_pos); 2887 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 2888 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 2889 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 2890 if ((scp->cursor_pos == (ptr)) || 2891 (scp->cursor_pos == (ptr+1)) || 2892 (scp->cursor_pos == (ptr+scp->xsize)) || 2893 (scp->cursor_pos == (ptr+scp->xsize+1)) || 2894 (scp->cursor_pos == (scp->mouse_pos)) || 2895 (scp->cursor_pos == (scp->mouse_pos+1)) || 2896 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 2897 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 2898 scp->status &= ~CURSOR_SHOWN; 2899 } 2900 scp->mouse_oldpos = crt_pos; 2901 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 2902 *(crt_pos) = *(scp->mouse_pos)&0xff00|0xd0; 2903 *(crt_pos+1) = *(scp->mouse_pos+1)&0xff00|0xd1; 2904 *(crt_pos+scp->xsize) = *(scp->mouse_pos+scp->xsize)&0xff00|0xd2; 2905 *(crt_pos+scp->xsize+1) = *(scp->mouse_pos+scp->xsize+1)&0xff00|0xd3; 2906 set_font_mode(); 2907 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 2908 set_normal_mode(); 2909} 2910 2911static void 2912save_palette(void) 2913{ 2914 int i; 2915 2916 outb(PALRADR, 0x00); 2917 for (i=0x00; i<0x300; i++) 2918 palette[i] = inb(PALDATA); 2919 inb(crtc_addr+6); /* reset flip/flop */ 2920} 2921 2922void 2923load_palette(void) 2924{ 2925 int i; 2926 2927 outb(PIXMASK, 0xFF); /* no pixelmask */ 2928 outb(PALWADR, 0x00); 2929 for (i=0x00; i<0x300; i++) 2930 outb(PALDATA, palette[i]); 2931 inb(crtc_addr+6); /* reset flip/flop */ 2932 outb(ATC, 0x20); /* enable palette */ 2933} 2934 2935static void 2936do_bell(scr_stat *scp, int pitch, int duration) 2937{ 2938 if (scp == cur_console) { 2939 if (configuration & VISUAL_BELL) { 2940 if (blink_in_progress) 2941 return; 2942 blink_in_progress = 4; 2943 blink_screen(scp); 2944 timeout((timeout_func_t)blink_screen, scp, hz/10); 2945 } 2946 else 2947 sysbeep(pitch, duration); 2948 } 2949} 2950 2951static void 2952blink_screen(scr_stat *scp) 2953{ 2954 if (blink_in_progress > 1) { 2955 if (blink_in_progress & 1) 2956 fillw(kernel_default.std_attr | scr_map[0x20], 2957 Crtat, scp->xsize * scp->ysize); 2958 else 2959 fillw(kernel_default.rev_attr | scr_map[0x20], 2960 Crtat, scp->xsize * scp->ysize); 2961 blink_in_progress--; 2962 timeout((timeout_func_t)blink_screen, scp, hz/10); 2963 } 2964 else { 2965 scp->status |= UPDATE_SCREEN; 2966 blink_in_progress = FALSE; 2967 if (delayed_next_scr) 2968 switch_scr(scp, delayed_next_scr - 1); 2969 } 2970} 2971 2972#endif /* NSC */ 2973