syscons.c revision 8123
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 1.114 1995/04/25 10:22:28 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 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 int configuration = 0; 88static char switch_in_progress = FALSE; 89static char blink_in_progress = FALSE; 90static char write_in_progress = FALSE; 91 u_int crtc_addr = MONO_BASE; 92static char crtc_vga = FALSE; 93static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 94static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 95static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 96static int fonts_loaded = 0; 97 char palette[3*256]; 98static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 99static int delayed_next_scr = FALSE; 100static long scrn_blank_time = 0; /* screen saver timeout value */ 101 int scrn_blanked = FALSE; /* screen saver active flag */ 102static int scrn_saver = 0; /* screen saver routine */ 103static long scrn_time_stamp; 104 u_char scr_map[256]; 105static char *video_mode_ptr = NULL; 106#if ASYNCH 107static u_char kbd_reply = 0; 108#endif 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]; 131int nsccons = MAXCONS+1; 132#endif 133#define MONO_BUF pa_to_va(0xB0000) 134#define CGA_BUF pa_to_va(0xB8000) 135u_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 141struct isa_driver scdriver = { 142 scprobe, scattach, "sc", 1 143}; 144 145int 146scprobe(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 } 176gotres: 177 if (!retries) 178 printf("scprobe: keyboard won't accept RESET command\n"); 179 else { 180gotack: 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 200static 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 211static inline void 212sc_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 222static int 223scresume(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 234int 235scattach(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 301struct 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 313static 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 325static int 326get_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 335int 336scopen(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 366int 367scclose(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 401int 402scread(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 411int 412scwrite(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 421void 422scintr(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 467int 468scparam(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 476int 477scioctl(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; 598set_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 load_palette(); 847 } 848 /* FALL THROUGH */ 849 850 case KD_TEXT1: /* switch to TEXT (known) mode */ 851 /* no restore fonts & palette */ 852 scp->status &= ~UNKNOWN_MODE; 853 if (crtc_vga && video_mode_ptr) 854 set_mode(scp); 855 clear_screen(scp); 856 return 0; 857 858 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 859 scp->status |= UNKNOWN_MODE; 860 return 0; 861 default: 862 return EINVAL; 863 } 864 /* NOT REACHED */ 865 866 case KDGETMODE: /* get current mode of this (virtual) console */ 867 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 868 return 0; 869 870 case KDSBORDER: /* set border color of this (virtual) console */ 871 if (!crtc_vga) 872 return ENXIO; 873 scp->border = *data; 874 if (scp == cur_console) 875 set_border(scp->border); 876 return 0; 877 878 case KDSKBSTATE: /* set keyboard state (locks) */ 879 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 880 scp->status &= ~LOCK_KEY_MASK; 881 scp->status |= *data; 882 if (scp == cur_console) 883 update_leds(scp->status); 884 return 0; 885 } 886 return EINVAL; 887 888 case KDGKBSTATE: /* get keyboard state (locks) */ 889 *data = scp->status & LOCK_KEY_MASK; 890 return 0; 891 892 case KDSETRAD: /* set keyboard repeat & delay rates */ 893 if (*data & 0x80) 894 return EINVAL; 895 i = spltty(); 896 kbd_cmd(KB_SETRAD); 897 kbd_cmd(*data); 898 splx(i); 899 return 0; 900 901 case KDSKBMODE: /* set keyboard mode */ 902 switch (*data) { 903 case K_RAW: /* switch to RAW scancode mode */ 904 scp->status |= KBD_RAW_MODE; 905 return 0; 906 907 case K_XLATE: /* switch to XLT ascii mode */ 908 if (scp == cur_console && scp->status == KBD_RAW_MODE) 909 shfts = ctls = alts = agrs = metas = 0; 910 scp->status &= ~KBD_RAW_MODE; 911 return 0; 912 default: 913 return EINVAL; 914 } 915 /* NOT REACHED */ 916 917 case KDGKBMODE: /* get keyboard mode */ 918 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 919 return 0; 920 921 case KDMKTONE: /* sound the bell */ 922 if (*(int*)data) 923 do_bell(scp, (*(int*)data)&0xffff, 924 (((*(int*)data)>>16)&0xffff)*hz/1000); 925 else 926 do_bell(scp, scp->bell_pitch, scp->bell_duration); 927 return 0; 928 929 case KIOCSOUND: /* make tone (*data) hz */ 930 if (scp == cur_console) { 931 if (*(int*)data) { 932 int pitch = TIMER_FREQ/(*(int*)data); 933 934 /* set command for counter 2, 2 byte write */ 935 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 936 return EBUSY; 937 938 /* set pitch */ 939 outb(TIMER_CNTR2, pitch); 940 outb(TIMER_CNTR2, (pitch>>8)); 941 942 /* enable counter 2 output to speaker */ 943 outb(IO_PPI, inb(IO_PPI) | 3); 944 } 945 else { 946 /* disable counter 2 output to speaker */ 947 outb(IO_PPI, inb(IO_PPI) & 0xFC); 948 release_timer2(); 949 } 950 } 951 return 0; 952 953 case KDGKBTYPE: /* get keyboard type */ 954 *data = 0; /* type not known (yet) */ 955 return 0; 956 957 case KDSETLED: /* set keyboard LED status */ 958 if (*data >= 0 && *data <= LED_MASK) { 959 scp->status &= ~LED_MASK; 960 scp->status |= *data; 961 if (scp == cur_console) 962 update_leds(scp->status); 963 return 0; 964 } 965 return EINVAL; 966 967 case KDGETLED: /* get keyboard LED status */ 968 *data = scp->status & LED_MASK; 969 return 0; 970 971 case GETFKEY: /* get functionkey string */ 972 if (*(u_short*)data < n_fkey_tab) { 973 fkeyarg_t *ptr = (fkeyarg_t*)data; 974 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 975 fkey_tab[ptr->keynum].len); 976 ptr->flen = fkey_tab[ptr->keynum].len; 977 return 0; 978 } 979 else 980 return EINVAL; 981 982 case SETFKEY: /* set functionkey string */ 983 if (*(u_short*)data < n_fkey_tab) { 984 fkeyarg_t *ptr = (fkeyarg_t*)data; 985 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 986 min(ptr->flen, MAXFK)); 987 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 988 return 0; 989 } 990 else 991 return EINVAL; 992 993 case GIO_SCRNMAP: /* get output translation table */ 994 bcopy(&scr_map, data, sizeof(scr_map)); 995 return 0; 996 997 case PIO_SCRNMAP: /* set output translation table */ 998 bcopy(data, &scr_map, sizeof(scr_map)); 999 return 0; 1000 1001 case GIO_KEYMAP: /* get keyboard translation table */ 1002 bcopy(&key_map, data, sizeof(key_map)); 1003 return 0; 1004 1005 case PIO_KEYMAP: /* set keyboard translation table */ 1006 bcopy(data, &key_map, sizeof(key_map)); 1007 return 0; 1008 1009 case PIO_FONT8x8: /* set 8x8 dot font */ 1010 if (!crtc_vga) 1011 return ENXIO; 1012 bcopy(data, font_8, 8*256); 1013 fonts_loaded |= FONT_8; 1014 copy_font(LOAD, FONT_8, font_8); 1015 if (configuration & CHAR_CURSOR) 1016 set_destructive_cursor(scp, TRUE); 1017 return 0; 1018 1019 case GIO_FONT8x8: /* get 8x8 dot font */ 1020 if (!crtc_vga) 1021 return ENXIO; 1022 if (fonts_loaded & FONT_8) { 1023 bcopy(font_8, data, 8*256); 1024 return 0; 1025 } 1026 else 1027 return ENXIO; 1028 1029 case PIO_FONT8x14: /* set 8x14 dot font */ 1030 if (!crtc_vga) 1031 return ENXIO; 1032 bcopy(data, font_14, 14*256); 1033 fonts_loaded |= FONT_14; 1034 copy_font(LOAD, FONT_14, font_14); 1035 if (configuration & CHAR_CURSOR) 1036 set_destructive_cursor(scp, TRUE); 1037 return 0; 1038 1039 case GIO_FONT8x14: /* get 8x14 dot font */ 1040 if (!crtc_vga) 1041 return ENXIO; 1042 if (fonts_loaded & FONT_14) { 1043 bcopy(font_14, data, 14*256); 1044 return 0; 1045 } 1046 else 1047 return ENXIO; 1048 1049 case PIO_FONT8x16: /* set 8x16 dot font */ 1050 if (!crtc_vga) 1051 return ENXIO; 1052 bcopy(data, font_16, 16*256); 1053 fonts_loaded |= FONT_16; 1054 copy_font(LOAD, FONT_16, font_16); 1055 if (configuration & CHAR_CURSOR) 1056 set_destructive_cursor(scp, TRUE); 1057 return 0; 1058 1059 case GIO_FONT8x16: /* get 8x16 dot font */ 1060 if (!crtc_vga) 1061 return ENXIO; 1062 if (fonts_loaded & FONT_16) { 1063 bcopy(font_16, data, 16*256); 1064 return 0; 1065 } 1066 else 1067 return ENXIO; 1068 default: 1069 break; 1070 } 1071 1072 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1073 if (error >= 0) 1074 return(error); 1075 error = ttioctl(tp, cmd, data, flag); 1076 if (error >= 0) 1077 return(error); 1078 return(ENOTTY); 1079} 1080 1081void 1082scxint(dev_t dev) 1083{ 1084 struct tty *tp = scdevtotty(dev); 1085 1086 if (!tp) 1087 return; 1088 tp->t_state &= ~TS_BUSY; 1089 if (tp->t_line) 1090 (*linesw[tp->t_line].l_start)(tp); 1091 else 1092 scstart(tp); 1093} 1094 1095void 1096scstart(struct tty *tp) 1097{ 1098 struct clist *rbp; 1099 int i, s, len; 1100 u_char buf[PCBURST]; 1101 scr_stat *scp = get_scr_stat(tp->t_dev); 1102 1103 if (scp->status & SLKED || blink_in_progress) 1104 return; 1105 s = spltty(); 1106 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1107 tp->t_state |= TS_BUSY; 1108 splx(s); 1109 rbp = &tp->t_outq; 1110 while (rbp->c_cc) { 1111 len = q_to_b(rbp, buf, PCBURST); 1112 ansi_put(scp, buf, len); 1113 } 1114 s = spltty(); 1115 tp->t_state &= ~TS_BUSY; 1116 if (rbp->c_cc <= tp->t_lowat) { 1117 if (tp->t_state & TS_ASLEEP) { 1118 tp->t_state &= ~TS_ASLEEP; 1119 wakeup((caddr_t)rbp); 1120 } 1121 selwakeup(&tp->t_wsel); 1122 } 1123 } 1124 splx(s); 1125} 1126 1127void 1128pccnprobe(struct consdev *cp) 1129{ 1130 int maj; 1131 1132 /* locate the major number */ 1133 for (maj = 0; maj < nchrdev; maj++) 1134 if ((void*)cdevsw[maj].d_open == (void*)scopen) 1135 break; 1136 1137 /* initialize required fields */ 1138 cp->cn_dev = makedev(maj, MAXCONS); 1139 cp->cn_pri = CN_INTERNAL; 1140} 1141 1142void 1143pccninit(struct consdev *cp) 1144{ 1145 scinit(); 1146} 1147 1148void 1149pccnputc(dev_t dev, int c) 1150{ 1151 u_char buf[1]; 1152 scr_stat *scp = console[0]; 1153 term_stat save = scp->term; 1154 1155 scp->term = kernel_console; 1156 current_default = &kernel_default; 1157 if (scp->scr_buf == Crtat) 1158 draw_cursor(scp, FALSE); 1159 if (c == '\n') 1160 ansi_put(scp, "\r\n", 2); 1161 else { 1162 buf[0] = c; 1163 ansi_put(scp, buf, 1); 1164 } 1165 kernel_console = scp->term; 1166 current_default = &user_default; 1167 scp->term = save; 1168 if (scp == cur_console /* && scrn_timer not running */) { 1169 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1170 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1171 (1 + scp->end - scp->start) * sizeof(u_short)); 1172 scp->start = scp->xsize * scp->ysize; 1173 scp->end = 0; 1174 scp->status &= ~CURSOR_SHOWN; 1175 } 1176 draw_cursor(scp, TRUE); 1177 } 1178} 1179 1180int 1181pccngetc(dev_t dev) 1182{ 1183 int s = spltty(); /* block scintr while we poll */ 1184 int c = scgetc(0); 1185 splx(s); 1186 return(c); 1187} 1188 1189int 1190pccncheckc(dev_t dev) 1191{ 1192 return (scgetc(1) & 0xff); 1193} 1194 1195static void 1196scrn_timer() 1197{ 1198 static int cursor_blinkrate; 1199 scr_stat *scp = cur_console; 1200 1201 /* should we just return ? */ 1202 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1203 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1204 return; 1205 } 1206 1207 if (!scrn_blanked) { 1208 /* update screen image */ 1209 if (scp->start <= scp->end) { 1210 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1211 (1 + scp->end - scp->start) * sizeof(u_short)); 1212 scp->status &= ~CURSOR_SHOWN; 1213 scp->start = scp->xsize * scp->ysize; 1214 scp->end = 0; 1215 } 1216 /* update "pseudo" mouse arrow */ 1217 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE)) 1218 draw_mouse_image(scp); 1219 1220 /* update cursor image */ 1221 if (scp->status & CURSOR_ENABLED) 1222 draw_cursor(scp, 1223 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1224 } 1225 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1226 (*current_saver)(TRUE); 1227 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1228} 1229 1230static void 1231clear_screen(scr_stat *scp) 1232{ 1233 move_crsr(scp, 0, 0); 1234 fillw(scp->term.cur_attr | scr_map[0x20], scp->scr_buf, 1235 scp->xsize * scp->ysize); 1236 mark_all(scp); 1237} 1238 1239static int 1240switch_scr(scr_stat *scp, u_int next_scr) 1241{ 1242 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1243 switch_in_progress = FALSE; 1244 1245 if (next_scr >= MAXCONS || switch_in_progress || 1246 (cur_console->smode.mode == VT_AUTO 1247 && cur_console->status & UNKNOWN_MODE)) { 1248 do_bell(scp, BELL_PITCH, BELL_DURATION); 1249 return EINVAL; 1250 } 1251 1252 /* is the wanted virtual console open ? */ 1253 if (next_scr) { 1254 struct tty *tp = VIRTUAL_TTY(next_scr); 1255 if (!(tp->t_state & TS_ISOPEN)) { 1256 do_bell(scp, BELL_PITCH, BELL_DURATION); 1257 return EINVAL; 1258 } 1259 } 1260 /* delay switch if actively updating screen */ 1261 if (write_in_progress || blink_in_progress) { 1262 delayed_next_scr = next_scr+1; 1263 return 0; 1264 } 1265 switch_in_progress = TRUE; 1266 old_scp = cur_console; 1267 new_scp = console[next_scr]; 1268 wakeup((caddr_t)&new_scp->smode); 1269 if (new_scp == old_scp) { 1270 switch_in_progress = FALSE; 1271 delayed_next_scr = FALSE; 1272 return 0; 1273 } 1274 1275 /* has controlling process died? */ 1276 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1277 old_scp->smode.mode = VT_AUTO; 1278 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1279 new_scp->smode.mode = VT_AUTO; 1280 1281 /* check the modes and switch approbiatly */ 1282 if (old_scp->smode.mode == VT_PROCESS) { 1283 old_scp->status |= SWITCH_WAIT_REL; 1284 psignal(old_scp->proc, old_scp->smode.relsig); 1285 } 1286 else { 1287 exchange_scr(); 1288 if (new_scp->smode.mode == VT_PROCESS) { 1289 new_scp->status |= SWITCH_WAIT_ACQ; 1290 psignal(new_scp->proc, new_scp->smode.acqsig); 1291 } 1292 else 1293 switch_in_progress = FALSE; 1294 } 1295 return 0; 1296} 1297 1298static void 1299exchange_scr(void) 1300{ 1301 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1302 cur_console = new_scp; 1303 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1304 if (crtc_vga && video_mode_ptr) 1305 set_mode(new_scp); 1306 } 1307 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1308 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1309 if (fonts_loaded & FONT_8) 1310 copy_font(LOAD, FONT_8, font_8); 1311 if (fonts_loaded & FONT_14) 1312 copy_font(LOAD, FONT_14, font_14); 1313 if (fonts_loaded & FONT_16) 1314 copy_font(LOAD, FONT_16, font_16); 1315 load_palette(); 1316 } 1317 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1318 shfts = ctls = alts = agrs = metas = 0; 1319 update_leds(new_scp->status); 1320 delayed_next_scr = FALSE; 1321 bcopyw(new_scp->scr_buf, Crtat, 1322 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1323 new_scp->status &= ~CURSOR_SHOWN; 1324} 1325 1326static inline void 1327move_crsr(scr_stat *scp, int x, int y) 1328{ 1329 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1330 return; 1331 scp->xpos = x; 1332 scp->ypos = y; 1333 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1334 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 1335 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1336} 1337 1338static void 1339scan_esc(scr_stat *scp, u_char c) 1340{ 1341 static u_char ansi_col[16] = 1342 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1343 int i, n; 1344 u_short *src, *dst, count; 1345 1346 if (scp->term.esc == 1) { 1347 switch (c) { 1348 1349 case '[': /* Start ESC [ sequence */ 1350 scp->term.esc = 2; 1351 scp->term.last_param = -1; 1352 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1353 scp->term.param[i] = 1; 1354 scp->term.num_param = 0; 1355 return; 1356 1357 case 'M': /* Move cursor up 1 line, scroll if at top */ 1358 if (scp->ypos > 0) 1359 move_crsr(scp, scp->xpos, scp->ypos - 1); 1360 else { 1361 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1362 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1363 fillw(scp->term.cur_attr | scr_map[0x20], 1364 scp->scr_buf, scp->xsize); 1365 mark_all(scp); 1366 } 1367 break; 1368#if notyet 1369 case 'Q': 1370 scp->term.esc = 4; 1371 break; 1372#endif 1373 case 'c': /* Clear screen & home */ 1374 clear_screen(scp); 1375 break; 1376 } 1377 } 1378 else if (scp->term.esc == 2) { 1379 if (c >= '0' && c <= '9') { 1380 if (scp->term.num_param < MAX_ESC_PAR) { 1381 if (scp->term.last_param != scp->term.num_param) { 1382 scp->term.last_param = scp->term.num_param; 1383 scp->term.param[scp->term.num_param] = 0; 1384 } 1385 else 1386 scp->term.param[scp->term.num_param] *= 10; 1387 scp->term.param[scp->term.num_param] += c - '0'; 1388 return; 1389 } 1390 } 1391 scp->term.num_param = scp->term.last_param + 1; 1392 switch (c) { 1393 1394 case ';': 1395 if (scp->term.num_param < MAX_ESC_PAR) 1396 return; 1397 break; 1398 1399 case '=': 1400 scp->term.esc = 3; 1401 scp->term.last_param = -1; 1402 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1403 scp->term.param[i] = 1; 1404 scp->term.num_param = 0; 1405 return; 1406 1407 case 'A': /* up n rows */ 1408 n = scp->term.param[0]; if (n < 1) n = 1; 1409 move_crsr(scp, scp->xpos, scp->ypos - n); 1410 break; 1411 1412 case 'B': /* down n rows */ 1413 n = scp->term.param[0]; if (n < 1) n = 1; 1414 move_crsr(scp, scp->xpos, scp->ypos + n); 1415 break; 1416 1417 case 'C': /* right n columns */ 1418 n = scp->term.param[0]; if (n < 1) n = 1; 1419 move_crsr(scp, scp->xpos + n, scp->ypos); 1420 break; 1421 1422 case 'D': /* left n columns */ 1423 n = scp->term.param[0]; if (n < 1) n = 1; 1424 move_crsr(scp, scp->xpos - n, scp->ypos); 1425 break; 1426 1427 case 'E': /* cursor to start of line n lines down */ 1428 n = scp->term.param[0]; if (n < 1) n = 1; 1429 move_crsr(scp, 0, scp->ypos + n); 1430 break; 1431 1432 case 'F': /* cursor to start of line n lines up */ 1433 n = scp->term.param[0]; if (n < 1) n = 1; 1434 move_crsr(scp, 0, scp->ypos - n); 1435 break; 1436 1437 case 'f': /* Cursor move */ 1438 case 'H': 1439 if (scp->term.num_param == 0) 1440 move_crsr(scp, 0, 0); 1441 else if (scp->term.num_param == 2) 1442 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1443 break; 1444 1445 case 'J': /* Clear all or part of display */ 1446 if (scp->term.num_param == 0) 1447 n = 0; 1448 else 1449 n = scp->term.param[0]; 1450 switch (n) { 1451 case 0: /* clear form cursor to end of display */ 1452 fillw(scp->term.cur_attr | scr_map[0x20], 1453 scp->cursor_pos, 1454 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1455 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1456 mark_for_update(scp, scp->xsize * scp->ysize); 1457 break; 1458 case 1: /* clear from beginning of display to cursor */ 1459 fillw(scp->term.cur_attr | scr_map[0x20], 1460 scp->scr_buf, 1461 scp->cursor_pos - scp->scr_buf); 1462 mark_for_update(scp, 0); 1463 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1464 break; 1465 case 2: /* clear entire display */ 1466 clear_screen(scp); 1467 break; 1468 } 1469 break; 1470 1471 case 'K': /* Clear all or part of line */ 1472 if (scp->term.num_param == 0) 1473 n = 0; 1474 else 1475 n = scp->term.param[0]; 1476 switch (n) { 1477 case 0: /* clear form cursor to end of line */ 1478 fillw(scp->term.cur_attr | scr_map[0x20], 1479 scp->cursor_pos, 1480 scp->xsize - scp->xpos); 1481 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1482 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1483 scp->xsize - scp->xpos); 1484 break; 1485 case 1: /* clear from beginning of line to cursor */ 1486 fillw(scp->term.cur_attr|scr_map[0x20], 1487 scp->cursor_pos - (scp->xsize - scp->xpos), 1488 (scp->xsize - scp->xpos) + 1); 1489 mark_for_update(scp, scp->ypos * scp->xsize); 1490 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1491 break; 1492 case 2: /* clear entire line */ 1493 fillw(scp->term.cur_attr|scr_map[0x20], 1494 scp->cursor_pos - (scp->xsize - scp->xpos), 1495 scp->xsize); 1496 mark_for_update(scp, scp->ypos * scp->xsize); 1497 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1498 break; 1499 } 1500 break; 1501 1502 case 'L': /* Insert n lines */ 1503 n = scp->term.param[0]; if (n < 1) n = 1; 1504 if (n > scp->ysize - scp->ypos) 1505 n = scp->ysize - scp->ypos; 1506 src = scp->scr_buf + scp->ypos * scp->xsize; 1507 dst = src + n * scp->xsize; 1508 count = scp->ysize - (scp->ypos + n); 1509 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1510 fillw(scp->term.cur_attr | scr_map[0x20], src, 1511 n * scp->xsize); 1512 mark_for_update(scp, scp->ypos * scp->xsize); 1513 mark_for_update(scp, scp->xsize * scp->ysize); 1514 break; 1515 1516 case 'M': /* Delete n lines */ 1517 n = scp->term.param[0]; if (n < 1) n = 1; 1518 if (n > scp->ysize - scp->ypos) 1519 n = scp->ysize - scp->ypos; 1520 dst = scp->scr_buf + scp->ypos * scp->xsize; 1521 src = dst + n * scp->xsize; 1522 count = scp->ysize - (scp->ypos + n); 1523 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1524 src = dst + count * scp->xsize; 1525 fillw(scp->term.cur_attr | scr_map[0x20], src, 1526 n * scp->xsize); 1527 mark_for_update(scp, scp->ypos * scp->xsize); 1528 mark_for_update(scp, scp->xsize * scp->ysize); 1529 break; 1530 1531 case 'P': /* Delete n chars */ 1532 n = scp->term.param[0]; if (n < 1) n = 1; 1533 if (n > scp->xsize - scp->xpos) 1534 n = scp->xsize - scp->xpos; 1535 dst = scp->cursor_pos; 1536 src = dst + n; 1537 count = scp->xsize - (scp->xpos + n); 1538 bcopyw(src, dst, count * sizeof(u_short)); 1539 src = dst + count; 1540 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1541 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1542 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1543 break; 1544 1545 case '@': /* Insert n chars */ 1546 n = scp->term.param[0]; if (n < 1) n = 1; 1547 if (n > scp->xsize - scp->xpos) 1548 n = scp->xsize - scp->xpos; 1549 src = scp->cursor_pos; 1550 dst = src + n; 1551 count = scp->xsize - (scp->xpos + n); 1552 bcopyw(src, dst, count * sizeof(u_short)); 1553 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1554 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1555 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1556 break; 1557 1558 case 'S': /* scroll up n lines */ 1559 n = scp->term.param[0]; if (n < 1) n = 1; 1560 if (n > scp->ysize) 1561 n = scp->ysize; 1562 bcopyw(scp->scr_buf + (scp->xsize * n), 1563 scp->scr_buf, 1564 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1565 fillw(scp->term.cur_attr | scr_map[0x20], 1566 scp->scr_buf + scp->xsize * (scp->ysize - n), 1567 scp->xsize * n); 1568 mark_all(scp); 1569 break; 1570 1571 case 'T': /* scroll down n lines */ 1572 n = scp->term.param[0]; if (n < 1) n = 1; 1573 if (n > scp->ysize) 1574 n = scp->ysize; 1575 bcopyw(scp->scr_buf, 1576 scp->scr_buf + (scp->xsize * n), 1577 scp->xsize * (scp->ysize - n) * 1578 sizeof(u_short)); 1579 fillw(scp->term.cur_attr | scr_map[0x20], 1580 scp->scr_buf, scp->xsize * n); 1581 mark_all(scp); 1582 break; 1583 1584 case 'X': /* erase n characters in line */ 1585 n = scp->term.param[0]; if (n < 1) n = 1; 1586 if (n > scp->xsize - scp->xpos) 1587 n = scp->xsize - scp->xpos; 1588 fillw(scp->term.cur_attr | scr_map[0x20], 1589 scp->scr_buf + scp->xpos + 1590 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1591 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1592 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1593 break; 1594 1595 case 'Z': /* move n tabs backwards */ 1596 n = scp->term.param[0]; if (n < 1) n = 1; 1597 if ((i = scp->xpos & 0xf8) == scp->xpos) 1598 i -= 8*n; 1599 else 1600 i -= 8*(n-1); 1601 if (i < 0) 1602 i = 0; 1603 move_crsr(scp, i, scp->ypos); 1604 break; 1605 1606 case '`': /* move cursor to column n */ 1607 n = scp->term.param[0]; if (n < 1) n = 1; 1608 move_crsr(scp, n - 1, scp->ypos); 1609 break; 1610 1611 case 'a': /* move cursor n columns to the right */ 1612 n = scp->term.param[0]; if (n < 1) n = 1; 1613 move_crsr(scp, scp->xpos + n, scp->ypos); 1614 break; 1615 1616 case 'd': /* move cursor to row n */ 1617 n = scp->term.param[0]; if (n < 1) n = 1; 1618 move_crsr(scp, scp->xpos, n - 1); 1619 break; 1620 1621 case 'e': /* move cursor n rows down */ 1622 n = scp->term.param[0]; if (n < 1) n = 1; 1623 move_crsr(scp, scp->xpos, scp->ypos + n); 1624 break; 1625 1626 case 'm': /* change attribute */ 1627 if (scp->term.num_param == 0) { 1628 scp->term.cur_attr = scp->term.std_attr; 1629 break; 1630 } 1631 for (i = 0; i < scp->term.num_param; i++) { 1632 switch (n = scp->term.param[i]) { 1633 case 0: /* back to normal */ 1634 scp->term.cur_attr = scp->term.std_attr; 1635 break; 1636 case 1: /* highlight (bold) */ 1637 scp->term.cur_attr &= 0xFF00; 1638 scp->term.cur_attr |= 0x0800; 1639 break; 1640 case 4: /* highlight (underline) */ 1641 scp->term.cur_attr &= 0xFF00; 1642 scp->term.cur_attr |= 0x0800; 1643 break; 1644 case 5: /* blink */ 1645 scp->term.cur_attr &= 0xFF00; 1646 scp->term.cur_attr |= 0x8000; 1647 break; 1648 case 7: /* reverse video */ 1649 scp->term.cur_attr = scp->term.rev_attr; 1650 break; 1651 case 30: case 31: /* set fg color */ 1652 case 32: case 33: case 34: 1653 case 35: case 36: case 37: 1654 scp->term.cur_attr = 1655 (scp->term.cur_attr&0xF8FF) | (ansi_col[(n-30)&7]<<8); 1656 break; 1657 case 40: case 41: /* set bg color */ 1658 case 42: case 43: case 44: 1659 case 45: case 46: case 47: 1660 scp->term.cur_attr = 1661 (scp->term.cur_attr&0x8FFF) | (ansi_col[(n-40)&7]<<12); 1662 break; 1663 } 1664 } 1665 break; 1666 1667 case 'x': 1668 if (scp->term.num_param == 0) 1669 n = 0; 1670 else 1671 n = scp->term.param[0]; 1672 switch (n) { 1673 case 0: /* reset attributes */ 1674 scp->term.cur_attr = scp->term.std_attr = 1675 current_default->std_attr; 1676 scp->term.rev_attr = current_default->rev_attr; 1677 break; 1678 case 1: /* set ansi background */ 1679 scp->term.cur_attr = scp->term.std_attr = 1680 (scp->term.std_attr & 0x0F00) | 1681 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1682 break; 1683 case 2: /* set ansi foreground */ 1684 scp->term.cur_attr = scp->term.std_attr = 1685 (scp->term.std_attr & 0xF000) | 1686 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1687 break; 1688 case 3: /* set ansi attribute directly */ 1689 scp->term.cur_attr = scp->term.std_attr = 1690 (scp->term.param[1]&0xFF)<<8; 1691 break; 1692 case 5: /* set ansi reverse video background */ 1693 scp->term.rev_attr = 1694 (scp->term.rev_attr & 0x0F00) | 1695 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1696 break; 1697 case 6: /* set ansi reverse video foreground */ 1698 scp->term.rev_attr = 1699 (scp->term.rev_attr & 0xF000) | 1700 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1701 break; 1702 case 7: /* set ansi reverse video directly */ 1703 scp->term.rev_attr = 1704 (scp->term.param[1]&0xFF)<<8; 1705 break; 1706 } 1707 break; 1708 1709 case 'z': /* switch to (virtual) console n */ 1710 if (scp->term.num_param == 1) 1711 switch_scr(scp, scp->term.param[0]); 1712 break; 1713 } 1714 } 1715 else if (scp->term.esc == 3) { 1716 if (c >= '0' && c <= '9') { 1717 if (scp->term.num_param < MAX_ESC_PAR) { 1718 if (scp->term.last_param != scp->term.num_param) { 1719 scp->term.last_param = scp->term.num_param; 1720 scp->term.param[scp->term.num_param] = 0; 1721 } 1722 else 1723 scp->term.param[scp->term.num_param] *= 10; 1724 scp->term.param[scp->term.num_param] += c - '0'; 1725 return; 1726 } 1727 } 1728 scp->term.num_param = scp->term.last_param + 1; 1729 switch (c) { 1730 1731 case ';': 1732 if (scp->term.num_param < MAX_ESC_PAR) 1733 return; 1734 break; 1735 1736 case 'A': /* set display border color */ 1737 if (scp->term.num_param == 1) 1738 scp->border=scp->term.param[0] & 0xff; 1739 if (scp == cur_console) 1740 set_border(scp->border); 1741 break; 1742 1743 case 'B': /* set bell pitch and duration */ 1744 if (scp->term.num_param == 2) { 1745 scp->bell_pitch = scp->term.param[0]; 1746 scp->bell_duration = scp->term.param[1]*10; 1747 } 1748 break; 1749 1750 case 'C': /* set cursor type & shape */ 1751 if (scp->term.num_param == 1) { 1752 if (scp->term.param[0] & 0x01) 1753 configuration |= BLINK_CURSOR; 1754 else 1755 configuration &= ~BLINK_CURSOR; 1756 if (scp->term.param[0] & 0x02) { 1757 configuration |= CHAR_CURSOR; 1758 set_destructive_cursor(scp, TRUE); 1759 } else 1760 configuration &= ~CHAR_CURSOR; 1761 } 1762 else if (scp->term.num_param == 2) { 1763 scp->cursor_start = scp->term.param[0] & 0x1F; 1764 scp->cursor_end = scp->term.param[1] & 0x1F; 1765 if (configuration & CHAR_CURSOR) 1766 set_destructive_cursor(scp, TRUE); 1767 } 1768 break; 1769 1770 case 'F': /* set ansi foreground */ 1771 if (scp->term.num_param == 1) 1772 scp->term.cur_attr = scp->term.std_attr = 1773 (scp->term.std_attr & 0xF000) 1774 | ((scp->term.param[0] & 0x0F) << 8); 1775 break; 1776 1777 case 'G': /* set ansi background */ 1778 if (scp->term.num_param == 1) 1779 scp->term.cur_attr = scp->term.std_attr = 1780 (scp->term.std_attr & 0x0F00) 1781 | ((scp->term.param[0] & 0x0F) << 12); 1782 break; 1783 1784 case 'H': /* set ansi reverse video foreground */ 1785 if (scp->term.num_param == 1) 1786 scp->term.rev_attr = 1787 (scp->term.rev_attr & 0xF000) 1788 | ((scp->term.param[0] & 0x0F) << 8); 1789 break; 1790 1791 case 'I': /* set ansi reverse video background */ 1792 if (scp->term.num_param == 1) 1793 scp->term.rev_attr = 1794 (scp->term.rev_attr & 0x0F00) 1795 | ((scp->term.param[0] & 0x0F) << 12); 1796 break; 1797 } 1798 } 1799 scp->term.esc = 0; 1800} 1801 1802static inline void 1803draw_cursor(scr_stat *scp, int show) 1804{ 1805 if (show && !(scp->status & CURSOR_SHOWN)) { 1806 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 1807 1808 scp->cursor_saveunder = cursor_image; 1809 if (configuration & CHAR_CURSOR) { 1810 set_destructive_cursor(scp, FALSE); 1811 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 1812 } 1813 else { 1814 if ((cursor_image & 0x7000) == 0x7000) { 1815 cursor_image &= 0x8fff; 1816 if(!(cursor_image & 0x0700)) 1817 cursor_image |= 0x0700; 1818 } else { 1819 cursor_image |= 0x7000; 1820 if ((cursor_image & 0x0700) == 0x0700) 1821 cursor_image &= 0xf0ff; 1822 } 1823 } 1824 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 1825 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1826 scp->status |= CURSOR_SHOWN; 1827 } 1828 if (!show && (scp->status & CURSOR_SHOWN)) { 1829 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 1830 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1831 scp->status &= ~CURSOR_SHOWN; 1832 } 1833} 1834 1835static void 1836ansi_put(scr_stat *scp, u_char *buf, int len) 1837{ 1838 u_char *ptr = buf; 1839 1840 if (scp->status & UNKNOWN_MODE) 1841 return; 1842 1843 /* make screensaver happy */ 1844 if (scp == cur_console) { 1845 scrn_time_stamp = time.tv_sec; 1846 if (scrn_blanked) { 1847 (*current_saver)(FALSE); 1848 cur_console->start = 0; 1849 cur_console->end = cur_console->xsize * cur_console->ysize; 1850 } 1851 } 1852 write_in_progress++; 1853outloop: 1854 if (scp->term.esc) { 1855 scan_esc(scp, *ptr++); 1856 len--; 1857 } 1858 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1859 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1860 u_short cur_attr = scp->term.cur_attr; 1861 u_short *cursor_pos = scp->cursor_pos; 1862 do { 1863 *cursor_pos++ = (scr_map[*ptr++] | cur_attr); 1864 cnt--; 1865 } while (cnt && PRINTABLE(*ptr)); 1866 len -= (cursor_pos - scp->cursor_pos); 1867 scp->xpos += (cursor_pos - scp->cursor_pos); 1868 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1869 mark_for_update(scp, cursor_pos - scp->scr_buf); 1870 scp->cursor_pos = cursor_pos; 1871 if (scp->xpos >= scp->xsize) { 1872 scp->xpos = 0; 1873 scp->ypos++; 1874 } 1875 } 1876 else { 1877 switch(*ptr) { 1878 case 0x07: 1879 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1880 break; 1881 1882 case 0x08: /* non-destructive backspace */ 1883 if (scp->cursor_pos > scp->scr_buf) { 1884 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1885 scp->cursor_pos--; 1886 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1887 if (scp->xpos > 0) 1888 scp->xpos--; 1889 else { 1890 scp->xpos += scp->xsize - 1; 1891 scp->ypos--; 1892 } 1893 } 1894 break; 1895 1896 case 0x09: /* non-destructive tab */ 1897 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1898 scp->cursor_pos += (8 - scp->xpos % 8u); 1899 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1900 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 1901 scp->xpos = 0; 1902 scp->ypos++; 1903 } 1904 break; 1905 1906 case 0x0a: /* newline, same pos */ 1907 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1908 scp->cursor_pos += scp->xsize; 1909 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1910 scp->ypos++; 1911 break; 1912 1913 case 0x0c: /* form feed, clears screen */ 1914 clear_screen(scp); 1915 break; 1916 1917 case 0x0d: /* return, return to pos 0 */ 1918 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1919 scp->cursor_pos -= scp->xpos; 1920 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1921 scp->xpos = 0; 1922 break; 1923 1924 case 0x1b: /* start escape sequence */ 1925 scp->term.esc = 1; 1926 scp->term.num_param = 0; 1927 break; 1928 } 1929 ptr++; len--; 1930 } 1931 /* do we have to scroll ?? */ 1932 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 1933 if (scp->history) { 1934 bcopyw(scp->scr_buf, scp->history_head, 1935 scp->xsize * sizeof(u_short)); 1936 scp->history_head += scp->xsize; 1937 if (scp->history_head + scp->xsize > 1938 scp->history + scp->history_size) 1939 scp->history_head = scp->history; 1940 } 1941 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 1942 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 1943 fillw(scp->term.cur_attr | scr_map[0x20], 1944 scp->scr_buf + scp->xsize * (scp->ysize - 1), 1945 scp->xsize); 1946 scp->cursor_pos -= scp->xsize; 1947 scp->ypos--; 1948 mark_all(scp); 1949 } 1950 if (len) 1951 goto outloop; 1952 write_in_progress--; 1953 if (delayed_next_scr) 1954 switch_scr(scp, delayed_next_scr - 1); 1955} 1956 1957static void 1958scinit(void) 1959{ 1960 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1961 unsigned hw_cursor; 1962 int i; 1963 1964 if (init_done) 1965 return; 1966 init_done = TRUE; 1967 /* 1968 * Crtat initialized to point to MONO buffer, if not present change 1969 * to CGA_BUF offset. ONLY add the difference since locore.s adds 1970 * in the remapped offset at the "right" time 1971 */ 1972 was = *cp; 1973 *cp = (u_short) 0xA55A; 1974 if (*cp != 0xA55A) 1975 crtc_addr = MONO_BASE; 1976 else { 1977 *cp = was; 1978 crtc_addr = COLOR_BASE; 1979 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1980 } 1981 1982 /* extract cursor location */ 1983 outb(crtc_addr, 14); 1984 hw_cursor = inb(crtc_addr + 1) << 8; 1985 outb(crtc_addr, 15); 1986 hw_cursor |= inb(crtc_addr + 1); 1987 1988 /* move hardware cursor out of the way */ 1989 outb(crtc_addr, 14); 1990 outb(crtc_addr + 1, 0xff); 1991 outb(crtc_addr, 15); 1992 outb(crtc_addr + 1, 0xff); 1993 1994 /* is this a VGA or higher ? */ 1995 outb(crtc_addr, 7); 1996 if (inb(crtc_addr) == 7) { 1997 u_long pa; 1998 u_long segoff; 1999 2000 crtc_vga = TRUE; 2001 /* 2002 * Get the BIOS video mode pointer. 2003 */ 2004 segoff = *(u_long *)pa_to_va(0x4a8); 2005 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2006 if (ISMAPPED(pa, sizeof(u_long))) { 2007 segoff = *(u_long *)pa_to_va(pa); 2008 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2009 if (ISMAPPED(pa, 64)) 2010 video_mode_ptr = (char *)pa_to_va(pa); 2011 } 2012 } 2013 current_default = &user_default; 2014 console[0] = &main_console; 2015 init_scp(console[0]); 2016 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2017 console[0]->cursor_pos = Crtat + hw_cursor; 2018 console[0]->xpos = hw_cursor % COL; 2019 console[0]->ypos = hw_cursor / COL; 2020 cur_console = console[0]; 2021 for (i=1; i<MAXCONS; i++) 2022 console[i] = NULL; 2023 kernel_console.esc = 0; 2024 kernel_console.std_attr = kernel_default.std_attr; 2025 kernel_console.rev_attr = kernel_default.rev_attr; 2026 kernel_console.cur_attr = kernel_default.std_attr; 2027 /* initialize mapscrn array to a one to one map */ 2028 for (i=0; i<sizeof(scr_map); i++) 2029 scr_map[i] = i; 2030} 2031 2032static scr_stat 2033*alloc_scp() 2034{ 2035 scr_stat *scp; 2036 2037 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_NOWAIT); 2038 init_scp(scp); 2039 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 2040 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2041 M_DEVBUF, M_NOWAIT); 2042 scp->history_head = scp->history_pos = scp->history = 2043 (u_short *)malloc(scp->history_size*sizeof(u_short), 2044 M_DEVBUF, M_NOWAIT); 2045 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2046 if (crtc_vga && video_mode_ptr) 2047 set_mode(scp); 2048 clear_screen(scp); 2049 return scp; 2050} 2051 2052static void 2053init_scp(scr_stat *scp) 2054{ 2055 scp->mode = M_VGA_C80x25; 2056 scp->font = FONT_16; 2057 scp->xsize = COL; 2058 scp->ysize = ROW; 2059 scp->start = COL * ROW; 2060 scp->end = 0; 2061 scp->term.esc = 0; 2062 scp->term.std_attr = current_default->std_attr; 2063 scp->term.rev_attr = current_default->rev_attr; 2064 scp->term.cur_attr = scp->term.std_attr; 2065 scp->border = BG_BLACK; 2066 scp->cursor_start = *(char *)pa_to_va(0x461); 2067 scp->cursor_end = *(char *)pa_to_va(0x460); 2068 scp->mouse_xpos = scp->mouse_ypos = 0; 2069 scp->bell_pitch = BELL_PITCH; 2070 scp->bell_duration = BELL_DURATION; 2071 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2072 scp->status |= CURSOR_ENABLED; 2073 scp->pid = 0; 2074 scp->proc = NULL; 2075 scp->smode.mode = VT_AUTO; 2076 scp->history_head = scp->history_pos = scp->history = NULL; 2077 scp->history_size = HISTORY_SIZE; 2078} 2079 2080static u_char 2081*get_fstr(u_int c, u_int *len) 2082{ 2083 u_int i; 2084 2085 if (!(c & FKEY)) 2086 return(NULL); 2087 i = (c & 0xFF) - F_FN; 2088 if (i > n_fkey_tab) 2089 return(NULL); 2090 *len = fkey_tab[i].len; 2091 return(fkey_tab[i].str); 2092} 2093 2094static void 2095update_leds(int which) 2096{ 2097 int s; 2098 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2099 2100 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2101 if (key_map.n_keys > ALTGR_OFFSET) { 2102 if (which & ALKED) 2103 which |= CLKED; 2104 else 2105 which &= ~CLKED; 2106 } 2107 s = spltty(); 2108 kbd_cmd(KB_SETLEDS); 2109 kbd_cmd(xlate_leds[which & LED_MASK]); 2110 splx(s); 2111} 2112 2113static void 2114history_to_screen(scr_stat *scp) 2115{ 2116 int i; 2117 2118 for (i=0; i<scp->ysize; i++) 2119 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2120 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2121 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2122 scp->xsize * sizeof(u_short)); 2123 mark_all(scp); 2124} 2125 2126static int 2127history_up_line(scr_stat *scp) 2128{ 2129 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2130 scp->history_head) { 2131 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2132 history_to_screen(scp); 2133 return 0; 2134 } 2135 else 2136 return -1; 2137} 2138 2139static int 2140history_down_line(scr_stat *scp) 2141{ 2142 if (scp->history_pos != scp->history_head) { 2143 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2144 history_to_screen(scp); 2145 return 0; 2146 } 2147 else 2148 return -1; 2149} 2150 2151/* 2152 * scgetc(noblock) - get character from keyboard. 2153 * If noblock = 0 wait until a key is pressed. 2154 * Else return NOKEY. 2155 */ 2156u_int 2157scgetc(int noblock) 2158{ 2159 u_char scancode, keycode; 2160 u_int state, action; 2161 struct key_t *key; 2162 static u_char esc_flag = 0, compose = 0; 2163 static u_int chr = 0; 2164 2165next_code: 2166 kbd_wait(); 2167 /* First see if there is something in the keyboard port */ 2168 if (inb(KB_STAT) & KB_BUF_FULL) 2169 scancode = inb(KB_DATA); 2170 else if (noblock) 2171 return(NOKEY); 2172 else 2173 goto next_code; 2174 2175 if (cur_console->status & KBD_RAW_MODE) 2176 return scancode; 2177#if ASYNCH 2178 if (scancode == KB_ACK || scancode == KB_RESEND) { 2179 kbd_reply = scancode; 2180 if (noblock) 2181 return(NOKEY); 2182 goto next_code; 2183 } 2184#endif 2185 keycode = scancode & 0x7F; 2186 switch (esc_flag) { 2187 case 0x00: /* normal scancode */ 2188 switch(scancode) { 2189 case 0xB8: /* left alt (compose key) */ 2190 if (compose) { 2191 compose = 0; 2192 if (chr > 255) { 2193 do_bell(cur_console, 2194 BELL_PITCH, BELL_DURATION); 2195 chr = 0; 2196 } 2197 } 2198 break; 2199 case 0x38: 2200 if (!compose) { 2201 compose = 1; 2202 chr = 0; 2203 } 2204 break; 2205 case 0xE0: 2206 case 0xE1: 2207 esc_flag = scancode; 2208 goto next_code; 2209 } 2210 break; 2211 case 0xE0: /* 0xE0 prefix */ 2212 esc_flag = 0; 2213 switch (keycode) { 2214 case 0x1C: /* right enter key */ 2215 keycode = 0x59; 2216 break; 2217 case 0x1D: /* right ctrl key */ 2218 keycode = 0x5A; 2219 break; 2220 case 0x35: /* keypad divide key */ 2221 keycode = 0x5B; 2222 break; 2223 case 0x37: /* print scrn key */ 2224 keycode = 0x5C; 2225 break; 2226 case 0x38: /* right alt key (alt gr) */ 2227 keycode = 0x5D; 2228 break; 2229 case 0x47: /* grey home key */ 2230 keycode = 0x5E; 2231 break; 2232 case 0x48: /* grey up arrow key */ 2233 keycode = 0x5F; 2234 break; 2235 case 0x49: /* grey page up key */ 2236 keycode = 0x60; 2237 break; 2238 case 0x4B: /* grey left arrow key */ 2239 keycode = 0x61; 2240 break; 2241 case 0x4D: /* grey right arrow key */ 2242 keycode = 0x62; 2243 break; 2244 case 0x4F: /* grey end key */ 2245 keycode = 0x63; 2246 break; 2247 case 0x50: /* grey down arrow key */ 2248 keycode = 0x64; 2249 break; 2250 case 0x51: /* grey page down key */ 2251 keycode = 0x65; 2252 break; 2253 case 0x52: /* grey insert key */ 2254 keycode = 0x66; 2255 break; 2256 case 0x53: /* grey delete key */ 2257 keycode = 0x67; 2258 break; 2259 2260 /* the following 3 are only used on the MS "Natural" keyboard */ 2261 case 0x5b: /* left Window key */ 2262 keycode = 0x69; 2263 break; 2264 case 0x5c: /* right Window key */ 2265 keycode = 0x6a; 2266 break; 2267 case 0x5d: /* menu key */ 2268 keycode = 0x6b; 2269 break; 2270 default: /* ignore everything else */ 2271 goto next_code; 2272 } 2273 break; 2274 case 0xE1: /* 0xE1 prefix */ 2275 esc_flag = 0; 2276 if (keycode == 0x1D) 2277 esc_flag = 0x1D; 2278 goto next_code; 2279 /* NOT REACHED */ 2280 case 0x1D: /* pause / break */ 2281 esc_flag = 0; 2282 if (keycode != 0x45) 2283 goto next_code; 2284 keycode = 0x68; 2285 break; 2286 } 2287 2288 /* if scroll-lock pressed allow history browsing */ 2289 if (cur_console->history && cur_console->status & SLKED) { 2290 int i; 2291 2292 cur_console->status &= ~CURSOR_ENABLED; 2293 if (!(cur_console->status & BUFFER_SAVED)) { 2294 cur_console->status |= BUFFER_SAVED; 2295 cur_console->history_save = cur_console->history_head; 2296 2297 /* copy screen into top of history buffer */ 2298 for (i=0; i<cur_console->ysize; i++) { 2299 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2300 cur_console->history_head, 2301 cur_console->xsize * sizeof(u_short)); 2302 cur_console->history_head += cur_console->xsize; 2303 if (cur_console->history_head + cur_console->xsize > 2304 cur_console->history + cur_console->history_size) 2305 cur_console->history_head=cur_console->history; 2306 } 2307 cur_console->history_pos = cur_console->history_head; 2308 history_to_screen(cur_console); 2309 } 2310 switch (scancode) { 2311 case 0x47: /* home key */ 2312 cur_console->history_pos = cur_console->history_head; 2313 history_to_screen(cur_console); 2314 goto next_code; 2315 2316 case 0x4F: /* end key */ 2317 cur_console->history_pos = 2318 WRAPHIST(cur_console, cur_console->history_head, 2319 cur_console->xsize*cur_console->ysize); 2320 history_to_screen(cur_console); 2321 goto next_code; 2322 2323 case 0x48: /* up arrow key */ 2324 if (history_up_line(cur_console)) 2325 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2326 goto next_code; 2327 2328 case 0x50: /* down arrow key */ 2329 if (history_down_line(cur_console)) 2330 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2331 goto next_code; 2332 2333 case 0x49: /* page up key */ 2334 for (i=0; i<cur_console->ysize; i++) 2335 if (history_up_line(cur_console)) { 2336 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2337 break; 2338 } 2339 goto next_code; 2340 2341 case 0x51: /* page down key */ 2342 for (i=0; i<cur_console->ysize; i++) 2343 if (history_down_line(cur_console)) { 2344 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2345 break; 2346 } 2347 goto next_code; 2348 } 2349 } 2350 2351 if (compose) { 2352 switch (scancode) { 2353 /* key pressed process it */ 2354 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2355 chr = (scancode - 0x40) + chr*10; 2356 goto next_code; 2357 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2358 chr = (scancode - 0x47) + chr*10; 2359 goto next_code; 2360 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2361 chr = (scancode - 0x4E) + chr*10; 2362 goto next_code; 2363 case 0x52: /* keypad 0 */ 2364 chr *= 10; 2365 goto next_code; 2366 2367 /* key release, no interest here */ 2368 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2369 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2370 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2371 case 0xD2: /* keypad 0 */ 2372 goto next_code; 2373 2374 case 0x38: /* left alt key */ 2375 break; 2376 default: 2377 if (chr) { 2378 compose = chr = 0; 2379 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2380 goto next_code; 2381 } 2382 break; 2383 } 2384 } 2385 2386 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2387 if ((!agrs && (cur_console->status & ALKED)) 2388 || (agrs && !(cur_console->status & ALKED))) 2389 keycode += ALTGR_OFFSET; 2390 key = &key_map.key[keycode]; 2391 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2392 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2393 state ^= 1; 2394 2395 /* Check for make/break */ 2396 action = key->map[state]; 2397 if (scancode & 0x80) { /* key released */ 2398 if (key->spcl & 0x80) { 2399 switch (action) { 2400 case LSH: 2401 shfts &= ~1; 2402 break; 2403 case RSH: 2404 shfts &= ~2; 2405 break; 2406 case LCTR: 2407 ctls &= ~1; 2408 break; 2409 case RCTR: 2410 ctls &= ~2; 2411 break; 2412 case LALT: 2413 alts &= ~1; 2414 break; 2415 case RALT: 2416 alts &= ~2; 2417 break; 2418 case NLK: 2419 nlkcnt = 0; 2420 break; 2421 case CLK: 2422 clkcnt = 0; 2423 break; 2424 case SLK: 2425 slkcnt = 0; 2426 break; 2427 case ASH: 2428 agrs = 0; 2429 break; 2430 case ALK: 2431 alkcnt = 0; 2432 break; 2433 case META: 2434 metas = 0; 2435 break; 2436 } 2437 } 2438 if (chr && !compose) { 2439 action = chr; 2440 chr = 0; 2441 return(action); 2442 } 2443 } else { 2444 /* key pressed */ 2445 if (key->spcl & (0x80>>state)) { 2446 switch (action) { 2447 /* LOCKING KEYS */ 2448 case NLK: 2449 if (!nlkcnt) { 2450 nlkcnt++; 2451 if (cur_console->status & NLKED) 2452 cur_console->status &= ~NLKED; 2453 else 2454 cur_console->status |= NLKED; 2455 update_leds(cur_console->status); 2456 } 2457 break; 2458 case CLK: 2459 if (!clkcnt) { 2460 clkcnt++; 2461 if (cur_console->status & CLKED) 2462 cur_console->status &= ~CLKED; 2463 else 2464 cur_console->status |= CLKED; 2465 update_leds(cur_console->status); 2466 } 2467 break; 2468 case SLK: 2469 if (!slkcnt) { 2470 slkcnt++; 2471 if (cur_console->status & SLKED) { 2472 cur_console->status &= ~SLKED; 2473 if (cur_console->status & BUFFER_SAVED){ 2474 int i; 2475 u_short *ptr = cur_console->history_save; 2476 2477 for (i=0; i<cur_console->ysize; i++) { 2478 bcopyw(ptr, 2479 cur_console->scr_buf + 2480 (cur_console->xsize*i), 2481 cur_console->xsize * sizeof(u_short)); 2482 ptr += cur_console->xsize; 2483 if (ptr + cur_console->xsize > 2484 cur_console->history + 2485 cur_console->history_size) 2486 ptr = cur_console->history; 2487 } 2488 cur_console->status &= ~BUFFER_SAVED; 2489 cur_console->history_head=cur_console->history_save; 2490 cur_console->status |= CURSOR_ENABLED; 2491 mark_all(cur_console); 2492 } 2493 scstart(VIRTUAL_TTY(get_scr_num())); 2494 } 2495 else 2496 cur_console->status |= SLKED; 2497 update_leds(cur_console->status); 2498 } 2499 break; 2500 case ALK: 2501 if (!alkcnt) { 2502 alkcnt++; 2503 if (cur_console->status & ALKED) 2504 cur_console->status &= ~ALKED; 2505 else 2506 cur_console->status |= ALKED; 2507 update_leds(cur_console->status); 2508 } 2509 break; 2510 2511 /* NON-LOCKING KEYS */ 2512 case NOP: 2513 break; 2514 case RBT: 2515 shutdown_nice(); 2516 break; 2517 case SUSP: 2518#if NAPM > 0 2519 apm_suspend(); 2520#endif 2521 break; 2522 2523 case DBG: 2524#ifdef DDB /* try to switch to console 0 */ 2525 if (cur_console->smode.mode == VT_AUTO && 2526 console[0]->smode.mode == VT_AUTO) 2527 switch_scr(cur_console, 0); 2528 Debugger("manual escape to debugger"); 2529 return(NOKEY); 2530#else 2531 printf("No debugger in kernel\n"); 2532#endif 2533 break; 2534 case LSH: 2535 shfts |= 1; 2536 break; 2537 case RSH: 2538 shfts |= 2; 2539 break; 2540 case LCTR: 2541 ctls |= 1; 2542 break; 2543 case RCTR: 2544 ctls |= 2; 2545 break; 2546 case LALT: 2547 alts |= 1; 2548 break; 2549 case RALT: 2550 alts |= 2; 2551 break; 2552 case ASH: 2553 agrs = 1; 2554 break; 2555 case META: 2556 metas = 1; 2557 break; 2558 case NEXT: 2559 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2560 break; 2561 case BTAB: 2562 return(BKEY); 2563 default: 2564 if (action >= F_SCR && action <= L_SCR) { 2565 switch_scr(cur_console, action - F_SCR); 2566 break; 2567 } 2568 if (action >= F_FN && action <= L_FN) 2569 action |= FKEY; 2570 return(action); 2571 } 2572 } 2573 else { 2574 if (metas) 2575 action |= MKEY; 2576 return(action); 2577 } 2578 } 2579 goto next_code; 2580} 2581 2582int 2583scmmap(dev_t dev, int offset, int nprot) 2584{ 2585 if (offset > 0x20000 - PAGE_SIZE) 2586 return -1; 2587 return i386_btop((VIDEOMEM + offset)); 2588} 2589 2590static void 2591kbd_wait(void) 2592{ 2593 int i = 1000; 2594 2595 while (i--) { 2596 if ((inb(KB_STAT) & KB_READY) == 0) 2597 break; 2598 DELAY (10); 2599 } 2600} 2601 2602static void 2603kbd_cmd(u_char command) 2604{ 2605 int retry = 5; 2606 do { 2607 int i = 100000; 2608 2609 kbd_wait(); 2610#if ASYNCH 2611 kbd_reply = 0; 2612 outb(KB_DATA, command); 2613 while (i--) { 2614 if (kbd_reply == KB_ACK) 2615 return; 2616 if (kbd_reply == KB_RESEND) 2617 break; 2618 } 2619#else 2620 outb(KB_DATA, command); 2621 while (i--) { 2622 if (inb(KB_STAT) & KB_BUF_FULL) { 2623 int val; 2624 DELAY(10); 2625 val = inb(KB_DATA); 2626 if (val == KB_ACK) 2627 return; 2628 if (val == KB_RESEND) 2629 break; 2630 } 2631 } 2632#endif 2633 } while (retry--); 2634} 2635 2636static void 2637set_mode(scr_stat *scp) 2638{ 2639 char *modetable; 2640 char special_modetable[64]; 2641 int mode, font_size; 2642 2643 if (scp != cur_console) 2644 return; 2645 2646 /* setup video hardware for the given mode */ 2647 switch (scp->mode) { 2648 case M_VGA_M80x60: 2649 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2650 goto special_80x60; 2651 2652 case M_VGA_C80x60: 2653 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2654special_80x60: 2655 special_modetable[2] = 0x08; 2656 special_modetable[19] = 0x47; 2657 goto special_480l; 2658 2659 case M_VGA_M80x30: 2660 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2661 goto special_80x30; 2662 2663 case M_VGA_C80x30: 2664 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2665special_80x30: 2666 special_modetable[19] = 0x4f; 2667special_480l: 2668 special_modetable[9] |= 0xc0; 2669 special_modetable[16] = 0x08; 2670 special_modetable[17] = 0x3e; 2671 special_modetable[26] = 0xea; 2672 special_modetable[28] = 0xdf; 2673 special_modetable[31] = 0xe7; 2674 special_modetable[32] = 0x04; 2675 modetable = special_modetable; 2676 goto setup_mode; 2677 2678 case M_ENH_B80x43: 2679 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2680 goto special_80x43; 2681 2682 case M_ENH_C80x43: 2683 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2684special_80x43: 2685 special_modetable[28] = 87; 2686 goto special_80x50; 2687 2688 case M_VGA_M80x50: 2689 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2690 goto special_80x50; 2691 2692 case M_VGA_C80x50: 2693 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2694special_80x50: 2695 special_modetable[2] = 8; 2696 special_modetable[19] = 7; 2697 modetable = special_modetable; 2698 goto setup_mode; 2699 2700 case M_VGA_C40x25: case M_VGA_C80x25: 2701 case M_VGA_M80x25: 2702 case M_B40x25: case M_C40x25: 2703 case M_B80x25: case M_C80x25: 2704 case M_ENH_B40x25: case M_ENH_C40x25: 2705 case M_ENH_B80x25: case M_ENH_C80x25: 2706 2707 modetable = video_mode_ptr + (scp->mode * 64); 2708setup_mode: 2709 set_vgaregs(modetable); 2710 font_size = *(modetable + 2); 2711 2712 /* set font type (size) */ 2713 switch (font_size) { 2714 case 0x10: 2715 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2716 scp->font = FONT_16; 2717 break; 2718 case 0x0E: 2719 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2720 scp->font = FONT_14; 2721 break; 2722 default: 2723 case 0x08: 2724 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2725 scp->font = FONT_8; 2726 break; 2727 } 2728 if (configuration & CHAR_CURSOR) 2729 set_destructive_cursor(scp, TRUE); 2730 break; 2731 2732 case M_BG320: case M_CG320: case M_BG640: 2733 case M_CG320_D: case M_CG640_E: 2734 case M_CG640x350: case M_ENH_CG640: 2735 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2736 2737 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2738 break; 2739 2740 default: 2741 /* call user defined function XXX */ 2742 break; 2743 } 2744 2745 /* set border color for this (virtual) console */ 2746 set_border(scp->border); 2747 return; 2748} 2749 2750void 2751set_border(int color) 2752{ 2753 inb(crtc_addr+6); /* reset flip-flop */ 2754 outb(ATC, 0x11); outb(ATC, color); 2755 inb(crtc_addr+6); /* reset flip-flop */ 2756 outb(ATC, 0x20); /* enable Palette */ 2757} 2758 2759static void 2760set_vgaregs(char *modetable) 2761{ 2762 int i, s = splhigh(); 2763 2764 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2765 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2766 for (i=0; i<4; i++) { /* program sequencer */ 2767 outb(TSIDX, i+1); 2768 outb(TSREG, modetable[i+5]); 2769 } 2770 outb(MISC, modetable[9]); /* set dot-clock */ 2771 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2772 outb(crtc_addr, 0x11); 2773 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2774 for (i=0; i<25; i++) { /* program crtc */ 2775 outb(crtc_addr, i); 2776 if (i == 14 || i == 15) /* no hardware cursor */ 2777 outb(crtc_addr+1, 0xff); 2778 else 2779 outb(crtc_addr+1, modetable[i+10]); 2780 } 2781 inb(crtc_addr+6); /* reset flip-flop */ 2782 for (i=0; i<20; i++) { /* program attribute ctrl */ 2783 outb(ATC, i); 2784 outb(ATC, modetable[i+35]); 2785 } 2786 for (i=0; i<9; i++) { /* program graph data ctrl */ 2787 outb(GDCIDX, i); 2788 outb(GDCREG, modetable[i+55]); 2789 } 2790 inb(crtc_addr+6); /* reset flip-flop */ 2791 outb(ATC ,0x20); /* enable palette */ 2792 splx(s); 2793} 2794 2795static void 2796set_font_mode() 2797{ 2798 /* setup vga for loading fonts (graphics plane mode) */ 2799 inb(crtc_addr+6); 2800 outb(ATC, 0x30); outb(ATC, 0x01); 2801#if SLOW_VGA 2802 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2803 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2804 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2805 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2806 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2807#else 2808 outw(TSIDX, 0x0402); 2809 outw(TSIDX, 0x0604); 2810 outw(GDCIDX, 0x0204); 2811 outw(GDCIDX, 0x0005); 2812 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2813#endif 2814} 2815 2816static void 2817set_normal_mode() 2818{ 2819 int s = splhigh(); 2820 2821 /* setup vga for normal operation mode again */ 2822 inb(crtc_addr+6); 2823 outb(ATC, 0x30); outb(ATC, 0x0C); 2824#if SLOW_VGA 2825 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2826 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2827 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2828 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2829 if (crtc_addr == MONO_BASE) { 2830 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2831 } 2832 else { 2833 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2834 } 2835#else 2836 outw(TSIDX, 0x0302); 2837 outw(TSIDX, 0x0204); 2838 outw(GDCIDX, 0x0004); 2839 outw(GDCIDX, 0x1005); 2840 if (crtc_addr == MONO_BASE) 2841 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2842 else 2843 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2844#endif 2845 splx(s); 2846} 2847 2848static void 2849copy_font(int operation, int font_type, char* font_image) 2850{ 2851 int ch, line, segment, fontsize; 2852 u_char val; 2853 2854 switch (font_type) { 2855 default: 2856 case FONT_8: 2857 segment = 0x8000; 2858 fontsize = 8; 2859 break; 2860 case FONT_14: 2861 segment = 0x4000; 2862 fontsize = 14; 2863 break; 2864 case FONT_16: 2865 segment = 0x0000; 2866 fontsize = 16; 2867 break; 2868 } 2869 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 2870 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2871 set_font_mode(); 2872 for (ch=0; ch < 256; ch++) 2873 for (line=0; line < fontsize; line++) 2874 if (operation) 2875 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 2876 font_image[(ch*fontsize)+line]; 2877 else 2878 font_image[(ch*fontsize)+line] = 2879 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 2880 set_normal_mode(); 2881 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 2882} 2883 2884static void 2885set_destructive_cursor(scr_stat *scp, int force) 2886{ 2887 u_char cursor[32]; 2888 caddr_t address; 2889 int i, font_size; 2890 char *font_buffer; 2891 static u_char old_saveunder = DEAD_CHAR; 2892 2893 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 2894 return; 2895 old_saveunder = scp->cursor_saveunder & 0xFF; 2896 switch (scp->font) { 2897 default: 2898 case FONT_8: 2899 font_size = 8; 2900 font_buffer = font_8; 2901 address = (caddr_t)VIDEOMEM + 0x8000; 2902 break; 2903 case FONT_14: 2904 font_size = 14; 2905 font_buffer = font_14; 2906 address = (caddr_t)VIDEOMEM + 0x4000; 2907 break; 2908 case FONT_16: 2909 font_size = 16; 2910 font_buffer = font_16; 2911 address = (caddr_t)VIDEOMEM; 2912 break; 2913 } 2914 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 2915 cursor, font_size); 2916 for (i=0; i<32; i++) 2917 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 2918 (scp->cursor_start >= font_size && i == font_size - 1)) 2919 cursor[i] |= 0xff; 2920 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 2921 set_font_mode(); 2922 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 2923 set_normal_mode(); 2924} 2925 2926static void 2927draw_mouse_image(scr_stat *scp) 2928{ 2929 caddr_t address; 2930 int i, font_size; 2931 char *font_buffer; 2932 u_short buffer[32]; 2933 u_short xoffset, yoffset; 2934 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 2935 2936 xoffset = scp->mouse_xpos % 8; 2937 switch (scp->font) { 2938 default: 2939 case FONT_8: 2940 font_size = 8; 2941 font_buffer = font_8; 2942 yoffset = scp->mouse_ypos % 8; 2943 address = (caddr_t)VIDEOMEM + 0x8000; 2944 break; 2945 case FONT_14: 2946 font_size = 14; 2947 font_buffer = font_14; 2948 yoffset = scp->mouse_ypos % 14; 2949 address = (caddr_t)VIDEOMEM + 0x4000; 2950 break; 2951 case FONT_16: 2952 font_size = 16; 2953 font_buffer = font_16; 2954 yoffset = scp->mouse_ypos % 16; 2955 address = (caddr_t)VIDEOMEM; 2956 break; 2957 } 2958 2959 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 2960 &scp->mouse_cursor[0], font_size); 2961 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 2962 &scp->mouse_cursor[32], font_size); 2963 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 2964 &scp->mouse_cursor[64], font_size); 2965 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 2966 &scp->mouse_cursor[96], font_size); 2967 2968 for (i=0; i<font_size; i++) { 2969 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 2970 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 2971 } 2972 for (i=0; i<16; i++) { 2973 buffer[i+yoffset] = 2974 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 2975 | (mouse_or_mask[i] >> xoffset); 2976 } 2977 for (i=0; i<font_size; i++) { 2978 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 2979 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 2980 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 2981 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 2982 } 2983 if (scp->status & UPDATE_MOUSE) { 2984 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 2985 2986 if (crt_pos != scp->mouse_oldpos) { 2987 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 2988 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 2989 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 2990 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 2991 } 2992 scp->mouse_saveunder[0] = *(scp->mouse_pos); 2993 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 2994 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 2995 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 2996 if ((scp->cursor_pos == (ptr)) || 2997 (scp->cursor_pos == (ptr+1)) || 2998 (scp->cursor_pos == (ptr+scp->xsize)) || 2999 (scp->cursor_pos == (ptr+scp->xsize+1)) || 3000 (scp->cursor_pos == (scp->mouse_pos)) || 3001 (scp->cursor_pos == (scp->mouse_pos+1)) || 3002 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 3003 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 3004 scp->status &= ~CURSOR_SHOWN; 3005 } 3006 scp->mouse_oldpos = crt_pos; 3007 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3008 *(crt_pos) = *(scp->mouse_pos)&0xff00|0xd0; 3009 *(crt_pos+1) = *(scp->mouse_pos+1)&0xff00|0xd1; 3010 *(crt_pos+scp->xsize) = *(scp->mouse_pos+scp->xsize)&0xff00|0xd2; 3011 *(crt_pos+scp->xsize+1) = *(scp->mouse_pos+scp->xsize+1)&0xff00|0xd3; 3012 set_font_mode(); 3013 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3014 set_normal_mode(); 3015} 3016 3017static void 3018save_palette(void) 3019{ 3020 int i; 3021 3022 outb(PALRADR, 0x00); 3023 for (i=0x00; i<0x300; i++) 3024 palette[i] = inb(PALDATA); 3025 inb(crtc_addr+6); /* reset flip/flop */ 3026} 3027 3028void 3029load_palette(void) 3030{ 3031 int i; 3032 3033 outb(PIXMASK, 0xFF); /* no pixelmask */ 3034 outb(PALWADR, 0x00); 3035 for (i=0x00; i<0x300; i++) 3036 outb(PALDATA, palette[i]); 3037 inb(crtc_addr+6); /* reset flip/flop */ 3038 outb(ATC, 0x20); /* enable palette */ 3039} 3040 3041static void 3042do_bell(scr_stat *scp, int pitch, int duration) 3043{ 3044 if (scp == cur_console) { 3045 if (configuration & VISUAL_BELL) { 3046 if (blink_in_progress) 3047 return; 3048 blink_in_progress = 4; 3049 blink_screen(scp); 3050 timeout((timeout_func_t)blink_screen, scp, hz/10); 3051 } 3052 else 3053 sysbeep(pitch, duration); 3054 } 3055} 3056 3057static void 3058blink_screen(scr_stat *scp) 3059{ 3060 if (blink_in_progress > 1) { 3061 if (blink_in_progress & 1) 3062 fillw(kernel_default.std_attr | scr_map[0x20], 3063 Crtat, scp->xsize * scp->ysize); 3064 else 3065 fillw(kernel_default.rev_attr | scr_map[0x20], 3066 Crtat, scp->xsize * scp->ysize); 3067 blink_in_progress--; 3068 timeout((timeout_func_t)blink_screen, scp, hz/10); 3069 } 3070 else { 3071 blink_in_progress = FALSE; 3072 mark_all(scp); 3073 if (delayed_next_scr) 3074 switch_scr(scp, delayed_next_scr - 1); 3075 } 3076} 3077 3078#endif /* NSC */ 3079