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 1.121 1995/07/22 01:30:05 bde Exp $ 29 */ 30 31 #include "sc.h" 32 #include "apm.h" 33 #if NSC > 0 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/conf.h> 37 #include <sys/ioctl.h> 38 #include <sys/proc.h> 39 #include <sys/user.h> 40 #include <sys/tty.h> 41 #include <sys/uio.h> 42 #include <sys/callout.h> 43 #include <sys/kernel.h> 44 #include <sys/syslog.h> 45 #include <sys/errno.h> 46 #include <sys/malloc.h> 47 #include <sys/devconf.h> 48 49 #include <machine/clock.h> 50 #include <machine/console.h> 51 #include <machine/psl.h> 52 #include <machine/frame.h> 53 #include <machine/pc/display.h> 54 #include <machine/apm_bios.h> 55 56 #include <i386/isa/isa.h> 57 #include <i386/isa/isa_device.h> 58 #include <i386/isa/timerreg.h> 59 #include <i386/isa/kbdtables.h> 60 #include <i386/i386/cons.h> 61 #include <i386/isa/syscons.h> 62 63 #if !defined(MAXCONS) 64 #define MAXCONS 16 65 #endif 66 67 /* this may break on older VGA's but is usefull on real 32 bit systems */ 68 #define bcopyw bcopy 69 70 static default_attr user_default = { 71 (FG_LIGHTGREY | BG_BLACK) << 8, 72 (FG_BLACK | BG_LIGHTGREY) << 8 73 }; 74 75 static default_attr kernel_default = { 76 (FG_WHITE | BG_BLACK) << 8, 77 (FG_BLACK | BG_LIGHTGREY) << 8 78 }; 79 80 static scr_stat main_console; 81 static scr_stat *console[MAXCONS]; 82 scr_stat *cur_console; 83 static scr_stat *new_scp, *old_scp; 84 static term_stat kernel_console; 85 static default_attr *current_default; 86 static char init_done = FALSE; 87 static int configuration = 0; 88 static char switch_in_progress = FALSE; 89 static char blink_in_progress = FALSE; 90 static char write_in_progress = FALSE; 91 u_int crtc_addr = MONO_BASE; 92 static char crtc_vga = FALSE; 93 static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 94 static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 95 static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 96 static int fonts_loaded = 0; 97 char palette[3*256]; 98 static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 99 static int delayed_next_scr = FALSE; 100 static long scrn_blank_time = 0; /* screen saver timeout value */ 101 int scrn_blanked = FALSE; /* screen saver active flag */ 102 static int scrn_saver = 0; /* screen saver routine */ 103 static long scrn_time_stamp; 104 u_char scr_map[256]; 105 static char *video_mode_ptr = NULL; 106 #if ASYNCH 107 static u_char kbd_reply = 0; 108 #endif 109 110 static u_short mouse_and_mask[16] = { 111 0xc000, 0xe000, 0xf000, 0xf800, 0xfc00, 0xfe00, 0xff00, 0xff80, 112 0xfe00, 0x1e00, 0x1f00, 0x0f00, 0x0f00, 0x0000, 0x0000, 0x0000 113 }; 114 static u_short mouse_or_mask[16] = { 115 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x6800, 116 0x0c00, 0x0c00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000 117 }; 118 119 void none_saver(int blank) { } 120 void (*current_saver)() = none_saver; 121 122 /* OS specific stuff */ 123 #ifdef not_yet_done 124 #define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 125 struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 126 struct tty *sccons[MAXCONS+1]; 127 #else 128 #define VIRTUAL_TTY(x) &sccons[x] 129 #define CONSOLE_TTY &sccons[MAXCONS] 130 struct tty sccons[MAXCONS+1]; 131 int nsccons = MAXCONS+1; 132 #endif 133 #define MONO_BUF pa_to_va(0xB0000) 134 #define CGA_BUF pa_to_va(0xB8000) 135 u_short *Crtat = (u_short *)MONO_BUF; 136 137 #define WRAPHIST(scp, pointer, offset)\ 138 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 139 + (offset)) % (scp->history_size))) 140 141 struct isa_driver scdriver = { 142 scprobe, scattach, "sc", 1 143 }; 144 145 int 146 scprobe(struct isa_device *dev) 147 { 148 int i, retries = 5; 149 unsigned char val; 150 151 /* Enable interrupts and keyboard controller */ 152 kbd_wait(); 153 outb(KB_STAT, KB_WRITE); 154 kbd_wait(); 155 outb(KB_DATA, KB_MODE); 156 157 /* flush any noise in the buffer */ 158 while (inb(KB_STAT) & KB_BUF_FULL) { 159 DELAY(10); 160 (void) inb(KB_DATA); 161 } 162 163 /* Reset keyboard hardware */ 164 while (retries--) { 165 kbd_wait(); 166 outb(KB_DATA, KB_RESET); 167 for (i=0; i<100000; i++) { 168 DELAY(10); 169 val = inb(KB_DATA); 170 if (val == KB_ACK || val == KB_ECHO) 171 goto gotres; 172 if (val == KB_RESEND) 173 break; 174 } 175 } 176 gotres: 177 if (!retries) 178 printf("scprobe: keyboard won't accept RESET command\n"); 179 else { 180 gotack: 181 DELAY(10); 182 while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10); 183 DELAY(10); 184 val = inb(KB_DATA); 185 if (val == KB_ACK) 186 goto gotack; 187 if (val != KB_RESET_DONE) 188 printf("scprobe: keyboard RESET failed %02x\n", val); 189 } 190 #ifdef XT_KEYBOARD 191 kbd_wait(); 192 outb(KB_DATA, 0xF0); 193 kbd_wait(); 194 outb(KB_DATA, 1) 195 kbd_wait(); 196 #endif /* XT_KEYBOARD */ 197 return (IO_KBDSIZE); 198 } 199 200 static struct kern_devconf kdc_sc[NSC] = { 201 0, 0, 0, /* filled in by dev_attach */ 202 "sc", 0, { MDDT_ISA, 0, "tty" }, 203 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, 204 &kdc_isa0, /* parent */ 205 0, /* parentdata */ 206 DC_BUSY, /* the console is almost always busy */ 207 "Graphics console", 208 DC_CLS_DISPLAY /* class */ 209 }; 210 211 static inline void 212 sc_registerdev(struct isa_device *id) 213 { 214 if(id->id_unit) 215 kdc_sc[id->id_unit] = kdc_sc[0]; 216 kdc_sc[id->id_unit].kdc_unit = id->id_unit; 217 kdc_sc[id->id_unit].kdc_isa = id; 218 dev_attach(&kdc_sc[id->id_unit]); 219 } 220 221 #if NAPM > 0 222 static int 223 scresume(void *dummy) 224 { 225 shfts = 0; 226 ctls = 0; 227 alts = 0; 228 agrs = 0; 229 metas = 0; 230 return 0; 231 } 232 #endif 233 234 int 235 scattach(struct isa_device *dev) 236 { 237 scr_stat *scp; 238 239 scinit(); 240 configuration = dev->id_flags; 241 242 scp = console[0]; 243 244 if (crtc_vga) { 245 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 246 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 247 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 248 copy_font(SAVE, FONT_16, font_16); 249 fonts_loaded = FONT_16; 250 scp->font = FONT_16; 251 save_palette(); 252 } 253 254 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 255 M_DEVBUF, M_NOWAIT); 256 /* copy screen to buffer */ 257 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 258 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 259 scp->mouse_pos = scp->scr_buf; 260 261 /* initialize history buffer & pointers */ 262 scp->history_head = scp->history_pos = scp->history = 263 (u_short *)malloc(scp->history_size*sizeof(u_short), 264 M_DEVBUF, M_NOWAIT); 265 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 266 267 /* initialize cursor stuff */ 268 draw_cursor(scp, TRUE); 269 if (crtc_vga && (configuration & CHAR_CURSOR)) 270 set_destructive_cursor(scp, TRUE); 271 272 /* get screen update going */ 273 scrn_timer(); 274 275 update_leds(scp->status); 276 sc_registerdev(dev); 277 278 printf("sc%d: ", dev->id_unit); 279 if (crtc_vga) 280 if (crtc_addr == MONO_BASE) 281 printf("VGA mono"); 282 else 283 printf("VGA color"); 284 else 285 if (crtc_addr == MONO_BASE) 286 printf("MDA/hercules"); 287 else 288 printf("CGA/EGA"); 289 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 290 291 #if NAPM > 0 292 scp->r_hook.ah_fun = scresume; 293 scp->r_hook.ah_arg = NULL; 294 scp->r_hook.ah_name = "system keyboard"; 295 scp->r_hook.ah_order = APM_MID_ORDER; 296 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 297 #endif 298 return 0; 299 } 300 301 struct tty 302 *scdevtotty(dev_t dev) 303 { 304 int unit = minor(dev); 305 306 if (unit > MAXCONS || unit < 0) 307 return(NULL); 308 if (unit == MAXCONS) 309 return CONSOLE_TTY; 310 return VIRTUAL_TTY(unit); 311 } 312 313 static scr_stat 314 *get_scr_stat(dev_t dev) 315 { 316 int unit = minor(dev); 317 318 if (unit > MAXCONS || unit < 0) 319 return(NULL); 320 if (unit == MAXCONS) 321 return console[0]; 322 return console[unit]; 323 } 324 325 static int 326 get_scr_num() 327 { 328 int i = 0; 329 330 while ((i < MAXCONS) && (cur_console != console[i])) 331 i++; 332 return i < MAXCONS ? i : 0; 333 } 334 335 int 336 scopen(dev_t dev, int flag, int mode, struct proc *p) 337 { 338 struct tty *tp = scdevtotty(dev); 339 340 if (!tp) 341 return(ENXIO); 342 343 tp->t_oproc = scstart; 344 tp->t_param = scparam; 345 tp->t_dev = dev; 346 if (!(tp->t_state & TS_ISOPEN)) { 347 ttychars(tp); 348 tp->t_iflag = TTYDEF_IFLAG; 349 tp->t_oflag = TTYDEF_OFLAG; 350 tp->t_cflag = TTYDEF_CFLAG; 351 tp->t_lflag = TTYDEF_LFLAG; 352 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 353 scparam(tp, &tp->t_termios); 354 ttsetwater(tp); 355 (*linesw[tp->t_line].l_modem)(tp, 1); 356 } 357 else 358 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 359 return(EBUSY); 360 if (!console[minor(dev)]) 361 console[minor(dev)] = alloc_scp(); 362 return((*linesw[tp->t_line].l_open)(dev, tp)); 363 } 364 365 int 366 scclose(dev_t dev, int flag, int mode, struct proc *p) 367 { 368 struct tty *tp = scdevtotty(dev); 369 struct scr_stat *scp; 370 371 if (!tp) 372 return(ENXIO); 373 if (minor(dev) < MAXCONS) { 374 scp = get_scr_stat(tp->t_dev); 375 if (scp->status & SWITCH_WAIT_ACQ) 376 wakeup((caddr_t)&scp->smode); 377 #if not_yet_done 378 if (scp == &main_console) { 379 scp->pid = 0; 380 scp->proc = NULL; 381 scp->smode.mode = VT_AUTO; 382 } 383 else { 384 free(scp->scr_buf, M_DEVBUF); 385 free(scp->history, M_DEVBUF); 386 free(scp, M_DEVBUF); 387 console[minor(dev)] = NULL; 388 } 389 #else 390 scp->pid = 0; 391 scp->proc = NULL; 392 scp->smode.mode = VT_AUTO; 393 #endif 394 } 395 (*linesw[tp->t_line].l_close)(tp, flag); 396 ttyclose(tp); 397 return(0); 398 } 399 400 int 401 scread(dev_t dev, struct uio *uio, int flag) 402 { 403 struct tty *tp = scdevtotty(dev); 404 405 if (!tp) 406 return(ENXIO); 407 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 408 } 409 410 int 411 scwrite(dev_t dev, struct uio *uio, int flag) 412 { 413 struct tty *tp = scdevtotty(dev); 414 415 if (!tp) 416 return(ENXIO); 417 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 418 } 419 420 void 421 scintr(int unit) 422 { 423 static struct tty *cur_tty; 424 int c, len; 425 u_char *cp; 426 427 /* make screensaver happy */ 428 scrn_time_stamp = time.tv_sec; 429 if (scrn_blanked) { 430 (*current_saver)(FALSE); 431 cur_console->start = 0; 432 cur_console->end = cur_console->xsize * cur_console->ysize; 433 } 434 435 c = scgetc(1); 436 437 cur_tty = VIRTUAL_TTY(get_scr_num()); 438 if (!(cur_tty->t_state & TS_ISOPEN)) 439 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 440 return; 441 442 switch (c & 0xff00) { 443 case 0x0000: /* normal key */ 444 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 445 break; 446 case NOKEY: /* nothing there */ 447 break; 448 case FKEY: /* function key, return string */ 449 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 450 while (len-- > 0) 451 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 452 } 453 break; 454 case MKEY: /* meta is active, prepend ESC */ 455 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 456 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 457 break; 458 case BKEY: /* backtab fixed sequence (esc [ Z) */ 459 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 460 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 461 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 462 break; 463 } 464 } 465 466 int 467 scparam(struct tty *tp, struct termios *t) 468 { 469 tp->t_ispeed = t->c_ispeed; 470 tp->t_ospeed = t->c_ospeed; 471 tp->t_cflag = t->c_cflag; 472 return 0; 473 } 474 475 int 476 scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 477 { 478 int i, error; 479 struct tty *tp; 480 struct trapframe *fp; 481 scr_stat *scp; 482 483 tp = scdevtotty(dev); 484 if (!tp) 485 return ENXIO; 486 scp = get_scr_stat(tp->t_dev); 487 488 switch (cmd) { /* process console hardware related ioctl's */ 489 490 case GIO_ATTR: /* get current attributes */ 491 *(int*)data = scp->term.cur_attr; 492 return 0; 493 494 case GIO_COLOR: /* is this a color console ? */ 495 if (crtc_addr == COLOR_BASE) 496 *(int*)data = 1; 497 else 498 *(int*)data = 0; 499 return 0; 500 501 case CONS_CURRENT: /* get current adapter type */ 502 if (crtc_vga) 503 *(int*)data = KD_VGA; 504 else 505 if (crtc_addr == MONO_BASE) 506 *(int*)data = KD_MONO; 507 else 508 *(int*)data = KD_CGA; 509 return 0; 510 511 case CONS_GET: /* get current video mode */ 512 *(int*)data = scp->mode; 513 return 0; 514 515 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 516 scrn_blank_time = *(int*)data; 517 return 0; 518 519 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 520 if ((*(int*)data) & 0x01) 521 configuration |= BLINK_CURSOR; 522 else 523 configuration &= ~BLINK_CURSOR; 524 if ((*(int*)data) & 0x02) { 525 configuration |= CHAR_CURSOR; 526 set_destructive_cursor(scp, TRUE); 527 } else 528 configuration &= ~CHAR_CURSOR; 529 return 0; 530 531 case CONS_BELLTYPE: /* set bell type sound/visual */ 532 if (*data) 533 configuration |= VISUAL_BELL; 534 else 535 configuration &= ~VISUAL_BELL; 536 return 0; 537 538 case CONS_HISTORY: /* set history size */ 539 if (*data) { 540 free(scp->history, M_DEVBUF); 541 scp->history_size = *(int*)data; 542 if (scp->history_size < scp->ysize) 543 scp->history = NULL; 544 else { 545 scp->history_size *= scp->xsize; 546 scp->history_head = scp->history_pos = scp->history = 547 (u_short *)malloc(scp->history_size*sizeof(u_short), 548 M_DEVBUF, M_NOWAIT); 549 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 550 } 551 return 0; 552 } 553 else 554 return EINVAL; 555 556 case CONS_MOUSECTL: /* control mouse arrow */ 557 { 558 mouse_info_t *mouse = (mouse_info_t*)data; 559 int fontsize; 560 561 switch (scp->font) { 562 default: 563 case FONT_8: 564 fontsize = 8; break; 565 case FONT_14: 566 fontsize = 14; break; 567 case FONT_16: 568 fontsize = 16; break; 569 } 570 switch (mouse->operation) { 571 case MOUSE_SHOW: 572 if (!(scp->status & MOUSE_ENABLED)) { 573 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf); 574 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED); 575 } 576 else 577 return EINVAL; 578 break; 579 580 case MOUSE_HIDE: 581 if (scp->status & MOUSE_ENABLED) { 582 scp->status &= ~MOUSE_ENABLED; 583 scp->status |= UPDATE_MOUSE; 584 } 585 else 586 return EINVAL; 587 break; 588 589 case MOUSE_MOVEABS: 590 scp->mouse_xpos = mouse->x; 591 scp->mouse_ypos = mouse->y; 592 goto set_mouse_pos; 593 594 case MOUSE_MOVEREL: 595 scp->mouse_xpos += mouse->x; 596 scp->mouse_ypos += mouse->y; 597 set_mouse_pos: 598 if (scp->mouse_xpos < 0) 599 scp->mouse_xpos = 0; 600 if (scp->mouse_ypos < 0) 601 scp->mouse_ypos = 0; 602 if (scp->mouse_xpos >= scp->xsize*8) 603 scp->mouse_xpos = (scp->xsize*8)-1; 604 if (scp->mouse_ypos >= scp->ysize*fontsize) 605 scp->mouse_ypos = (scp->ysize*fontsize)-1; 606 scp->mouse_pos = scp->scr_buf + 607 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8; 608 if (scp->status & MOUSE_ENABLED) 609 scp->status |= UPDATE_MOUSE; 610 break; 611 612 case MOUSE_GETPOS: 613 mouse->x = scp->mouse_xpos; 614 mouse->y = scp->mouse_ypos; 615 return 0; 616 617 default: 618 return EINVAL; 619 } 620 /* make screensaver happy */ 621 if (scp == cur_console) { 622 scrn_time_stamp = time.tv_sec; 623 if (scrn_blanked) { 624 (*current_saver)(FALSE); 625 cur_console->start = 0; 626 cur_console->end = cur_console->xsize * cur_console->ysize; 627 } 628 } 629 return 0; 630 } 631 632 case CONS_GETINFO: /* get current (virtual) console info */ 633 { 634 vid_info_t *ptr = (vid_info_t*)data; 635 if (ptr->size == sizeof(struct vid_info)) { 636 ptr->m_num = get_scr_num(); 637 ptr->mv_col = scp->xpos; 638 ptr->mv_row = scp->ypos; 639 ptr->mv_csz = scp->xsize; 640 ptr->mv_rsz = scp->ysize; 641 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 642 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 643 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 644 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 645 ptr->mv_grfc.fore = 0; /* not supported */ 646 ptr->mv_grfc.back = 0; /* not supported */ 647 ptr->mv_ovscan = scp->border; 648 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 649 return 0; 650 } 651 return EINVAL; 652 } 653 654 case CONS_GETVERS: /* get version number */ 655 *(int*)data = 0x200; /* version 2.0 */ 656 return 0; 657 658 /* VGA TEXT MODES */ 659 case SW_VGA_C40x25: 660 case SW_VGA_C80x25: case SW_VGA_M80x25: 661 case SW_VGA_C80x30: case SW_VGA_M80x30: 662 case SW_VGA_C80x50: case SW_VGA_M80x50: 663 case SW_VGA_C80x60: case SW_VGA_M80x60: 664 case SW_B40x25: case SW_C40x25: 665 case SW_B80x25: case SW_C80x25: 666 case SW_ENH_B40x25: case SW_ENH_C40x25: 667 case SW_ENH_B80x25: case SW_ENH_C80x25: 668 case SW_ENH_B80x43: case SW_ENH_C80x43: 669 670 if (!crtc_vga || video_mode_ptr == NULL) 671 return ENXIO; 672 switch (cmd & 0xff) { 673 case M_VGA_C80x60: case M_VGA_M80x60: 674 if (!(fonts_loaded & FONT_8)) 675 return EINVAL; 676 scp->xsize = 80; 677 scp->ysize = 60; 678 break; 679 case M_VGA_C80x50: case M_VGA_M80x50: 680 if (!(fonts_loaded & FONT_8)) 681 return EINVAL; 682 scp->xsize = 80; 683 scp->ysize = 50; 684 break; 685 case M_ENH_B80x43: case M_ENH_C80x43: 686 if (!(fonts_loaded & FONT_8)) 687 return EINVAL; 688 scp->xsize = 80; 689 scp->ysize = 43; 690 break; 691 case M_VGA_C80x30: case M_VGA_M80x30: 692 scp->xsize = 80; 693 scp->ysize = 30; 694 break; 695 default: 696 if ((cmd & 0xff) > M_VGA_CG320) 697 return EINVAL; 698 else 699 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 700 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 701 break; 702 } 703 scp->mode = cmd & 0xff; 704 scp->status &= ~UNKNOWN_MODE; /* text mode */ 705 free(scp->scr_buf, M_DEVBUF); 706 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 707 M_DEVBUF, M_NOWAIT); 708 if (scp == cur_console) 709 set_mode(scp); 710 clear_screen(scp); 711 if (tp->t_winsize.ws_col != scp->xsize 712 || tp->t_winsize.ws_row != scp->ysize) { 713 tp->t_winsize.ws_col = scp->xsize; 714 tp->t_winsize.ws_row = scp->ysize; 715 pgsignal(tp->t_pgrp, SIGWINCH, 1); 716 } 717 return 0; 718 719 /* GRAPHICS MODES */ 720 case SW_BG320: case SW_BG640: 721 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 722 case SW_CG640x350: case SW_ENH_CG640: 723 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 724 725 if (!crtc_vga || video_mode_ptr == NULL) 726 return ENXIO; 727 scp->mode = cmd & 0xFF; 728 scp->status |= UNKNOWN_MODE; /* graphics mode */ 729 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; 730 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 731 (*(video_mode_ptr + (scp->mode*64) + 2)); 732 set_mode(scp); 733 /* clear_graphics();*/ 734 735 if (tp->t_winsize.ws_xpixel != scp->xsize 736 || tp->t_winsize.ws_ypixel != scp->ysize) { 737 tp->t_winsize.ws_xpixel = scp->xsize; 738 tp->t_winsize.ws_ypixel = scp->ysize; 739 pgsignal(tp->t_pgrp, SIGWINCH, 1); 740 } 741 return 0; 742 743 case VT_SETMODE: /* set screen switcher mode */ 744 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 745 if (scp->smode.mode == VT_PROCESS) { 746 scp->proc = p; 747 scp->pid = scp->proc->p_pid; 748 } 749 return 0; 750 751 case VT_GETMODE: /* get screen switcher mode */ 752 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 753 return 0; 754 755 case VT_RELDISP: /* screen switcher ioctl */ 756 switch(*data) { 757 case VT_FALSE: /* user refuses to release screen, abort */ 758 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 759 old_scp->status &= ~SWITCH_WAIT_REL; 760 switch_in_progress = FALSE; 761 return 0; 762 } 763 return EINVAL; 764 765 case VT_TRUE: /* user has released screen, go on */ 766 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 767 scp->status &= ~SWITCH_WAIT_REL; 768 exchange_scr(); 769 if (new_scp->smode.mode == VT_PROCESS) { 770 new_scp->status |= SWITCH_WAIT_ACQ; 771 psignal(new_scp->proc, new_scp->smode.acqsig); 772 } 773 else 774 switch_in_progress = FALSE; 775 return 0; 776 } 777 return EINVAL; 778 779 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 780 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 781 scp->status &= ~SWITCH_WAIT_ACQ; 782 switch_in_progress = FALSE; 783 return 0; 784 } 785 return EINVAL; 786 787 default: 788 return EINVAL; 789 } 790 /* NOT REACHED */ 791 792 case VT_OPENQRY: /* return free virtual console */ 793 for (i = 0; i < MAXCONS; i++) { 794 tp = VIRTUAL_TTY(i); 795 if (!(tp->t_state & TS_ISOPEN)) { 796 *data = i + 1; 797 return 0; 798 } 799 } 800 return EINVAL; 801 802 case VT_ACTIVATE: /* switch to screen *data */ 803 return switch_scr(scp, (*data) - 1); 804 805 case VT_WAITACTIVE: /* wait for switch to occur */ 806 if (*data > MAXCONS || *data < 0) 807 return EINVAL; 808 if (minor(dev) == (*data) - 1) 809 return 0; 810 if (*data == 0) { 811 if (scp == cur_console) 812 return 0; 813 } 814 else 815 scp = console[(*data) - 1]; 816 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 817 "waitvt", 0)) == ERESTART) ; 818 return error; 819 820 case VT_GETACTIVE: 821 *data = get_scr_num()+1; 822 return 0; 823 824 case KDENABIO: /* allow io operations */ 825 fp = (struct trapframe *)p->p_md.md_regs; 826 fp->tf_eflags |= PSL_IOPL; 827 return 0; 828 829 case KDDISABIO: /* disallow io operations (default) */ 830 fp = (struct trapframe *)p->p_md.md_regs; 831 fp->tf_eflags &= ~PSL_IOPL; 832 return 0; 833 834 case KDSETMODE: /* set current mode of this (virtual) console */ 835 switch (*data) { 836 case KD_TEXT: /* switch to TEXT (known) mode */ 837 /* restore fonts & palette ! */ 838 if (crtc_vga) { 839 if (fonts_loaded & FONT_8) 840 copy_font(LOAD, FONT_8, font_8); 841 if (fonts_loaded & FONT_14) 842 copy_font(LOAD, FONT_14, font_14); 843 if (fonts_loaded & FONT_16) 844 copy_font(LOAD, FONT_16, font_16); 845 if (configuration & CHAR_CURSOR) 846 set_destructive_cursor(scp, TRUE); 847 load_palette(); 848 } 849 /* FALL THROUGH */ 850 851 case KD_TEXT1: /* switch to TEXT (known) mode */ 852 /* no restore fonts & palette */ 853 scp->status &= ~UNKNOWN_MODE; 854 if (crtc_vga && video_mode_ptr) 855 set_mode(scp); 856 clear_screen(scp); 857 return 0; 858 859 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 860 scp->status |= UNKNOWN_MODE; 861 return 0; 862 default: 863 return EINVAL; 864 } 865 /* NOT REACHED */ 866 867 case KDGETMODE: /* get current mode of this (virtual) console */ 868 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 869 return 0; 870 871 case KDSBORDER: /* set border color of this (virtual) console */ 872 if (!crtc_vga) 873 return ENXIO; 874 scp->border = *data; 875 if (scp == cur_console) 876 set_border(scp->border); 877 return 0; 878 879 case KDSKBSTATE: /* set keyboard state (locks) */ 880 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 881 scp->status &= ~LOCK_KEY_MASK; 882 scp->status |= *data; 883 if (scp == cur_console) 884 update_leds(scp->status); 885 return 0; 886 } 887 return EINVAL; 888 889 case KDGKBSTATE: /* get keyboard state (locks) */ 890 *data = scp->status & LOCK_KEY_MASK; 891 return 0; 892 893 case KDSETRAD: /* set keyboard repeat & delay rates */ 894 if (*data & 0x80) 895 return EINVAL; 896 i = spltty(); 897 kbd_cmd(KB_SETRAD); 898 kbd_cmd(*data); 899 splx(i); 900 return 0; 901 902 case KDSKBMODE: /* set keyboard mode */ 903 switch (*data) { 904 case K_RAW: /* switch to RAW scancode mode */ 905 scp->status |= KBD_RAW_MODE; 906 return 0; 907 908 case K_XLATE: /* switch to XLT ascii mode */ 909 if (scp == cur_console && scp->status == KBD_RAW_MODE) 910 shfts = ctls = alts = agrs = metas = 0; 911 scp->status &= ~KBD_RAW_MODE; 912 return 0; 913 default: 914 return EINVAL; 915 } 916 /* NOT REACHED */ 917 918 case KDGKBMODE: /* get keyboard mode */ 919 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 920 return 0; 921 922 case KDMKTONE: /* sound the bell */ 923 if (*(int*)data) 924 do_bell(scp, (*(int*)data)&0xffff, 925 (((*(int*)data)>>16)&0xffff)*hz/1000); 926 else 927 do_bell(scp, scp->bell_pitch, scp->bell_duration); 928 return 0; 929 930 case KIOCSOUND: /* make tone (*data) hz */ 931 if (scp == cur_console) { 932 if (*(int*)data) { 933 int pitch = TIMER_FREQ/(*(int*)data); 934 935 /* set command for counter 2, 2 byte write */ 936 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 937 return EBUSY; 938 939 /* set pitch */ 940 outb(TIMER_CNTR2, pitch); 941 outb(TIMER_CNTR2, (pitch>>8)); 942 943 /* enable counter 2 output to speaker */ 944 outb(IO_PPI, inb(IO_PPI) | 3); 945 } 946 else { 947 /* disable counter 2 output to speaker */ 948 outb(IO_PPI, inb(IO_PPI) & 0xFC); 949 release_timer2(); 950 } 951 } 952 return 0; 953 954 case KDGKBTYPE: /* get keyboard type */ 955 *data = 0; /* type not known (yet) */ 956 return 0; 957 958 case KDSETLED: /* set keyboard LED status */ 959 if (*data >= 0 && *data <= LED_MASK) { 960 scp->status &= ~LED_MASK; 961 scp->status |= *data; 962 if (scp == cur_console) 963 update_leds(scp->status); 964 return 0; 965 } 966 return EINVAL; 967 968 case KDGETLED: /* get keyboard LED status */ 969 *data = scp->status & LED_MASK; 970 return 0; 971 972 case GETFKEY: /* get functionkey string */ 973 if (*(u_short*)data < n_fkey_tab) { 974 fkeyarg_t *ptr = (fkeyarg_t*)data; 975 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 976 fkey_tab[ptr->keynum].len); 977 ptr->flen = fkey_tab[ptr->keynum].len; 978 return 0; 979 } 980 else 981 return EINVAL; 982 983 case SETFKEY: /* set functionkey string */ 984 if (*(u_short*)data < n_fkey_tab) { 985 fkeyarg_t *ptr = (fkeyarg_t*)data; 986 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 987 min(ptr->flen, MAXFK)); 988 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 989 return 0; 990 } 991 else 992 return EINVAL; 993 994 case GIO_SCRNMAP: /* get output translation table */ 995 bcopy(&scr_map, data, sizeof(scr_map)); 996 return 0; 997 998 case PIO_SCRNMAP: /* set output translation table */ 999 bcopy(data, &scr_map, sizeof(scr_map)); 1000 return 0; 1001 1002 case GIO_KEYMAP: /* get keyboard translation table */ 1003 bcopy(&key_map, data, sizeof(key_map)); 1004 return 0; 1005 1006 case PIO_KEYMAP: /* set keyboard translation table */ 1007 bcopy(data, &key_map, sizeof(key_map)); 1008 return 0; 1009 1010 case PIO_FONT8x8: /* set 8x8 dot font */ 1011 if (!crtc_vga) 1012 return ENXIO; 1013 bcopy(data, font_8, 8*256); 1014 fonts_loaded |= FONT_8; 1015 copy_font(LOAD, FONT_8, font_8); 1016 if (configuration & CHAR_CURSOR) 1017 set_destructive_cursor(scp, TRUE); 1018 return 0; 1019 1020 case GIO_FONT8x8: /* get 8x8 dot font */ 1021 if (!crtc_vga) 1022 return ENXIO; 1023 if (fonts_loaded & FONT_8) { 1024 bcopy(font_8, data, 8*256); 1025 return 0; 1026 } 1027 else 1028 return ENXIO; 1029 1030 case PIO_FONT8x14: /* set 8x14 dot font */ 1031 if (!crtc_vga) 1032 return ENXIO; 1033 bcopy(data, font_14, 14*256); 1034 fonts_loaded |= FONT_14; 1035 copy_font(LOAD, FONT_14, font_14); 1036 if (configuration & CHAR_CURSOR) 1037 set_destructive_cursor(scp, TRUE); 1038 return 0; 1039 1040 case GIO_FONT8x14: /* get 8x14 dot font */ 1041 if (!crtc_vga) 1042 return ENXIO; 1043 if (fonts_loaded & FONT_14) { 1044 bcopy(font_14, data, 14*256); 1045 return 0; 1046 } 1047 else 1048 return ENXIO; 1049 1050 case PIO_FONT8x16: /* set 8x16 dot font */ 1051 if (!crtc_vga) 1052 return ENXIO; 1053 bcopy(data, font_16, 16*256); 1054 fonts_loaded |= FONT_16; 1055 copy_font(LOAD, FONT_16, font_16); 1056 if (configuration & CHAR_CURSOR) 1057 set_destructive_cursor(scp, TRUE); 1058 return 0; 1059 1060 case GIO_FONT8x16: /* get 8x16 dot font */ 1061 if (!crtc_vga) 1062 return ENXIO; 1063 if (fonts_loaded & FONT_16) { 1064 bcopy(font_16, data, 16*256); 1065 return 0; 1066 } 1067 else 1068 return ENXIO; 1069 default: 1070 break; 1071 } 1072 1073 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1074 if (error >= 0) 1075 return(error); 1076 error = ttioctl(tp, cmd, data, flag); 1077 if (error >= 0) 1078 return(error); 1079 return(ENOTTY); 1080 } 1081 1082 void 1083 scstart(struct tty *tp) 1084 { 1085 struct clist *rbp; 1086 int i, s, len; 1087 u_char buf[PCBURST]; 1088 scr_stat *scp = get_scr_stat(tp->t_dev); 1089 1090 /* XXX who repeats the call when the above flags are cleared? */ 1091 if (scp->status & SLKED || blink_in_progress) 1092 return; 1093 s = spltty(); 1094 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1095 tp->t_state |= TS_BUSY; 1096 rbp = &tp->t_outq; 1097 while (rbp->c_cc) { 1098 len = q_to_b(rbp, buf, PCBURST); 1099 splx(s); 1100 ansi_put(scp, buf, len); 1101 s = spltty(); 1102 } 1103 tp->t_state &= ~TS_BUSY; 1104 ttwwakeup(tp); 1105 } 1106 splx(s); 1107 } 1108 1109 void 1110 pccnprobe(struct consdev *cp) 1111 { 1112 int maj; 1113 1114 /* locate the major number */ 1115 for (maj = 0; maj < nchrdev; maj++) 1116 if ((void*)cdevsw[maj].d_open == (void*)scopen) 1117 break; 1118 1119 /* initialize required fields */ 1120 cp->cn_dev = makedev(maj, MAXCONS); 1121 cp->cn_pri = CN_INTERNAL; 1122 } 1123 1124 void 1125 pccninit(struct consdev *cp) 1126 { 1127 scinit(); 1128 } 1129 1130 void 1131 pccnputc(dev_t dev, int c) 1132 { 1133 u_char buf[1]; 1134 scr_stat *scp = console[0]; 1135 term_stat save = scp->term; 1136 1137 scp->term = kernel_console; 1138 current_default = &kernel_default; 1139 if (scp->scr_buf == Crtat) 1140 draw_cursor(scp, FALSE); 1141 buf[0] = c; 1142 ansi_put(scp, buf, 1); 1143 kernel_console = scp->term; 1144 current_default = &user_default; 1145 scp->term = save; 1146 if (scp == cur_console /* && scrn_timer not running */) { 1147 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1148 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1149 (1 + scp->end - scp->start) * sizeof(u_short)); 1150 scp->start = scp->xsize * scp->ysize; 1151 scp->end = 0; 1152 scp->status &= ~CURSOR_SHOWN; 1153 } 1154 draw_cursor(scp, TRUE); 1155 } 1156 } 1157 1158 int 1159 pccngetc(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 1167 int 1168 pccncheckc(dev_t dev) 1169 { 1170 return (scgetc(1) & 0xff); 1171 } 1172 1173 static void 1174 scrn_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 screen image */ 1187 if (scp->start <= scp->end) { 1188 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1189 (1 + scp->end - scp->start) * sizeof(u_short)); 1190 scp->status &= ~CURSOR_SHOWN; 1191 scp->start = scp->xsize * scp->ysize; 1192 scp->end = 0; 1193 } 1194 /* update "pseudo" mouse arrow */ 1195 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE)) 1196 draw_mouse_image(scp); 1197 1198 /* update cursor image */ 1199 if (scp->status & CURSOR_ENABLED) 1200 draw_cursor(scp, 1201 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1202 } 1203 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1204 (*current_saver)(TRUE); 1205 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1206 } 1207 1208 static void 1209 clear_screen(scr_stat *scp) 1210 { 1211 move_crsr(scp, 0, 0); 1212 fillw(scp->term.cur_attr | scr_map[0x20], scp->scr_buf, 1213 scp->xsize * scp->ysize); 1214 mark_all(scp); 1215 } 1216 1217 static int 1218 switch_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 1276 static void 1277 exchange_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 if (configuration & CHAR_CURSOR) 1294 set_destructive_cursor(new_scp, TRUE); 1295 load_palette(); 1296 } 1297 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1298 shfts = ctls = alts = agrs = metas = 0; 1299 update_leds(new_scp->status); 1300 delayed_next_scr = FALSE; 1301 bcopyw(new_scp->scr_buf, Crtat, 1302 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1303 new_scp->status &= ~CURSOR_SHOWN; 1304 } 1305 1306 static inline void 1307 move_crsr(scr_stat *scp, int x, int y) 1308 { 1309 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1310 return; 1311 scp->xpos = x; 1312 scp->ypos = y; 1313 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1314 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 1315 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1316 } 1317 1318 static void 1319 scan_esc(scr_stat *scp, u_char c) 1320 { 1321 static u_char ansi_col[16] = 1322 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1323 int i, n; 1324 u_short *src, *dst, count; 1325 1326 if (scp->term.esc == 1) { 1327 switch (c) { 1328 1329 case '[': /* Start ESC [ sequence */ 1330 scp->term.esc = 2; 1331 scp->term.last_param = -1; 1332 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1333 scp->term.param[i] = 1; 1334 scp->term.num_param = 0; 1335 return; 1336 1337 case 'M': /* Move cursor up 1 line, scroll if at top */ 1338 if (scp->ypos > 0) 1339 move_crsr(scp, scp->xpos, scp->ypos - 1); 1340 else { 1341 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1342 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1343 fillw(scp->term.cur_attr | scr_map[0x20], 1344 scp->scr_buf, scp->xsize); 1345 mark_all(scp); 1346 } 1347 break; 1348 #if notyet 1349 case 'Q': 1350 scp->term.esc = 4; 1351 break; 1352 #endif 1353 case 'c': /* Clear screen & home */ 1354 clear_screen(scp); 1355 break; 1356 } 1357 } 1358 else if (scp->term.esc == 2) { 1359 if (c >= '0' && c <= '9') { 1360 if (scp->term.num_param < MAX_ESC_PAR) { 1361 if (scp->term.last_param != scp->term.num_param) { 1362 scp->term.last_param = scp->term.num_param; 1363 scp->term.param[scp->term.num_param] = 0; 1364 } 1365 else 1366 scp->term.param[scp->term.num_param] *= 10; 1367 scp->term.param[scp->term.num_param] += c - '0'; 1368 return; 1369 } 1370 } 1371 scp->term.num_param = scp->term.last_param + 1; 1372 switch (c) { 1373 1374 case ';': 1375 if (scp->term.num_param < MAX_ESC_PAR) 1376 return; 1377 break; 1378 1379 case '=': 1380 scp->term.esc = 3; 1381 scp->term.last_param = -1; 1382 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1383 scp->term.param[i] = 1; 1384 scp->term.num_param = 0; 1385 return; 1386 1387 case 'A': /* up 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 'B': /* down n rows */ 1393 n = scp->term.param[0]; if (n < 1) n = 1; 1394 move_crsr(scp, scp->xpos, scp->ypos + n); 1395 break; 1396 1397 case 'C': /* right 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 'D': /* left n columns */ 1403 n = scp->term.param[0]; if (n < 1) n = 1; 1404 move_crsr(scp, scp->xpos - n, scp->ypos); 1405 break; 1406 1407 case 'E': /* cursor to start of line n lines down */ 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 to start of line n lines up */ 1413 n = scp->term.param[0]; if (n < 1) n = 1; 1414 move_crsr(scp, 0, scp->ypos - n); 1415 break; 1416 1417 case 'f': /* Cursor move */ 1418 case 'H': 1419 if (scp->term.num_param == 0) 1420 move_crsr(scp, 0, 0); 1421 else if (scp->term.num_param == 2) 1422 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1423 break; 1424 1425 case 'J': /* Clear all or part of display */ 1426 if (scp->term.num_param == 0) 1427 n = 0; 1428 else 1429 n = scp->term.param[0]; 1430 switch (n) { 1431 case 0: /* clear form cursor to end of display */ 1432 fillw(scp->term.cur_attr | scr_map[0x20], 1433 scp->cursor_pos, 1434 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1435 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1436 mark_for_update(scp, scp->xsize * scp->ysize); 1437 break; 1438 case 1: /* clear from beginning of display to cursor */ 1439 fillw(scp->term.cur_attr | scr_map[0x20], 1440 scp->scr_buf, 1441 scp->cursor_pos - scp->scr_buf); 1442 mark_for_update(scp, 0); 1443 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1444 break; 1445 case 2: /* clear entire display */ 1446 clear_screen(scp); 1447 break; 1448 } 1449 break; 1450 1451 case 'K': /* Clear all or part of line */ 1452 if (scp->term.num_param == 0) 1453 n = 0; 1454 else 1455 n = scp->term.param[0]; 1456 switch (n) { 1457 case 0: /* clear form cursor to end of line */ 1458 fillw(scp->term.cur_attr | scr_map[0x20], 1459 scp->cursor_pos, 1460 scp->xsize - scp->xpos); 1461 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1462 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1463 scp->xsize - scp->xpos); 1464 break; 1465 case 1: /* clear from beginning of line to cursor */ 1466 fillw(scp->term.cur_attr|scr_map[0x20], 1467 scp->cursor_pos - (scp->xsize - scp->xpos), 1468 (scp->xsize - scp->xpos) + 1); 1469 mark_for_update(scp, scp->ypos * scp->xsize); 1470 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1471 break; 1472 case 2: /* clear entire line */ 1473 fillw(scp->term.cur_attr|scr_map[0x20], 1474 scp->cursor_pos - (scp->xsize - scp->xpos), 1475 scp->xsize); 1476 mark_for_update(scp, scp->ypos * scp->xsize); 1477 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1478 break; 1479 } 1480 break; 1481 1482 case 'L': /* Insert n lines */ 1483 n = scp->term.param[0]; if (n < 1) n = 1; 1484 if (n > scp->ysize - scp->ypos) 1485 n = scp->ysize - scp->ypos; 1486 src = scp->scr_buf + scp->ypos * scp->xsize; 1487 dst = src + n * scp->xsize; 1488 count = scp->ysize - (scp->ypos + n); 1489 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1490 fillw(scp->term.cur_attr | scr_map[0x20], src, 1491 n * scp->xsize); 1492 mark_for_update(scp, scp->ypos * scp->xsize); 1493 mark_for_update(scp, scp->xsize * scp->ysize); 1494 break; 1495 1496 case 'M': /* Delete n lines */ 1497 n = scp->term.param[0]; if (n < 1) n = 1; 1498 if (n > scp->ysize - scp->ypos) 1499 n = scp->ysize - scp->ypos; 1500 dst = scp->scr_buf + scp->ypos * scp->xsize; 1501 src = dst + n * scp->xsize; 1502 count = scp->ysize - (scp->ypos + n); 1503 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1504 src = dst + count * scp->xsize; 1505 fillw(scp->term.cur_attr | scr_map[0x20], src, 1506 n * scp->xsize); 1507 mark_for_update(scp, scp->ypos * scp->xsize); 1508 mark_for_update(scp, scp->xsize * scp->ysize); 1509 break; 1510 1511 case 'P': /* Delete n chars */ 1512 n = scp->term.param[0]; if (n < 1) n = 1; 1513 if (n > scp->xsize - scp->xpos) 1514 n = scp->xsize - scp->xpos; 1515 dst = scp->cursor_pos; 1516 src = dst + n; 1517 count = scp->xsize - (scp->xpos + n); 1518 bcopyw(src, dst, count * sizeof(u_short)); 1519 src = dst + count; 1520 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1521 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1522 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1523 break; 1524 1525 case '@': /* Insert n chars */ 1526 n = scp->term.param[0]; if (n < 1) n = 1; 1527 if (n > scp->xsize - scp->xpos) 1528 n = scp->xsize - scp->xpos; 1529 src = scp->cursor_pos; 1530 dst = src + n; 1531 count = scp->xsize - (scp->xpos + n); 1532 bcopyw(src, dst, count * sizeof(u_short)); 1533 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1534 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1535 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1536 break; 1537 1538 case 'S': /* scroll up n lines */ 1539 n = scp->term.param[0]; if (n < 1) n = 1; 1540 if (n > scp->ysize) 1541 n = scp->ysize; 1542 bcopyw(scp->scr_buf + (scp->xsize * n), 1543 scp->scr_buf, 1544 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1545 fillw(scp->term.cur_attr | scr_map[0x20], 1546 scp->scr_buf + scp->xsize * (scp->ysize - n), 1547 scp->xsize * n); 1548 mark_all(scp); 1549 break; 1550 1551 case 'T': /* scroll down n lines */ 1552 n = scp->term.param[0]; if (n < 1) n = 1; 1553 if (n > scp->ysize) 1554 n = scp->ysize; 1555 bcopyw(scp->scr_buf, 1556 scp->scr_buf + (scp->xsize * n), 1557 scp->xsize * (scp->ysize - n) * 1558 sizeof(u_short)); 1559 fillw(scp->term.cur_attr | scr_map[0x20], 1560 scp->scr_buf, scp->xsize * n); 1561 mark_all(scp); 1562 break; 1563 1564 case 'X': /* erase n characters in line */ 1565 n = scp->term.param[0]; if (n < 1) n = 1; 1566 if (n > scp->xsize - scp->xpos) 1567 n = scp->xsize - scp->xpos; 1568 fillw(scp->term.cur_attr | scr_map[0x20], 1569 scp->scr_buf + scp->xpos + 1570 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1571 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1572 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1573 break; 1574 1575 case 'Z': /* move n tabs backwards */ 1576 n = scp->term.param[0]; if (n < 1) n = 1; 1577 if ((i = scp->xpos & 0xf8) == scp->xpos) 1578 i -= 8*n; 1579 else 1580 i -= 8*(n-1); 1581 if (i < 0) 1582 i = 0; 1583 move_crsr(scp, i, scp->ypos); 1584 break; 1585 1586 case '`': /* move cursor to column n */ 1587 n = scp->term.param[0]; if (n < 1) n = 1; 1588 move_crsr(scp, n - 1, scp->ypos); 1589 break; 1590 1591 case 'a': /* move cursor n columns to the right */ 1592 n = scp->term.param[0]; if (n < 1) n = 1; 1593 move_crsr(scp, scp->xpos + n, scp->ypos); 1594 break; 1595 1596 case 'd': /* move cursor to row n */ 1597 n = scp->term.param[0]; if (n < 1) n = 1; 1598 move_crsr(scp, scp->xpos, n - 1); 1599 break; 1600 1601 case 'e': /* move cursor n rows down */ 1602 n = scp->term.param[0]; if (n < 1) n = 1; 1603 move_crsr(scp, scp->xpos, scp->ypos + n); 1604 break; 1605 1606 case 'm': /* change attribute */ 1607 if (scp->term.num_param == 0) { 1608 scp->term.cur_attr = scp->term.std_attr; 1609 break; 1610 } 1611 for (i = 0; i < scp->term.num_param; i++) { 1612 switch (n = scp->term.param[i]) { 1613 case 0: /* back to normal */ 1614 scp->term.cur_attr = scp->term.std_attr; 1615 break; 1616 case 1: /* highlight (bold) */ 1617 scp->term.cur_attr &= 0xFF00; 1618 scp->term.cur_attr |= 0x0800; 1619 break; 1620 case 4: /* highlight (underline) */ 1621 scp->term.cur_attr &= 0xFF00; 1622 scp->term.cur_attr |= 0x0800; 1623 break; 1624 case 5: /* blink */ 1625 scp->term.cur_attr &= 0xFF00; 1626 scp->term.cur_attr |= 0x8000; 1627 break; 1628 case 7: /* reverse video */ 1629 scp->term.cur_attr = scp->term.rev_attr; 1630 break; 1631 case 30: case 31: /* set fg color */ 1632 case 32: case 33: case 34: 1633 case 35: case 36: case 37: 1634 scp->term.cur_attr = 1635 (scp->term.cur_attr&0xF8FF) | (ansi_col[(n-30)&7]<<8); 1636 break; 1637 case 40: case 41: /* set bg color */ 1638 case 42: case 43: case 44: 1639 case 45: case 46: case 47: 1640 scp->term.cur_attr = 1641 (scp->term.cur_attr&0x8FFF) | (ansi_col[(n-40)&7]<<12); 1642 break; 1643 } 1644 } 1645 break; 1646 1647 case 'x': 1648 if (scp->term.num_param == 0) 1649 n = 0; 1650 else 1651 n = scp->term.param[0]; 1652 switch (n) { 1653 case 0: /* reset attributes */ 1654 scp->term.cur_attr = scp->term.std_attr = 1655 current_default->std_attr; 1656 scp->term.rev_attr = current_default->rev_attr; 1657 break; 1658 case 1: /* set ansi background */ 1659 scp->term.cur_attr = scp->term.std_attr = 1660 (scp->term.std_attr & 0x0F00) | 1661 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1662 break; 1663 case 2: /* set ansi foreground */ 1664 scp->term.cur_attr = scp->term.std_attr = 1665 (scp->term.std_attr & 0xF000) | 1666 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1667 break; 1668 case 3: /* set ansi attribute directly */ 1669 scp->term.cur_attr = scp->term.std_attr = 1670 (scp->term.param[1]&0xFF)<<8; 1671 break; 1672 case 5: /* set ansi reverse video background */ 1673 scp->term.rev_attr = 1674 (scp->term.rev_attr & 0x0F00) | 1675 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1676 break; 1677 case 6: /* set ansi reverse video foreground */ 1678 scp->term.rev_attr = 1679 (scp->term.rev_attr & 0xF000) | 1680 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1681 break; 1682 case 7: /* set ansi reverse video directly */ 1683 scp->term.rev_attr = 1684 (scp->term.param[1]&0xFF)<<8; 1685 break; 1686 } 1687 break; 1688 1689 case 'z': /* switch to (virtual) console n */ 1690 if (scp->term.num_param == 1) 1691 switch_scr(scp, scp->term.param[0]); 1692 break; 1693 } 1694 } 1695 else if (scp->term.esc == 3) { 1696 if (c >= '0' && c <= '9') { 1697 if (scp->term.num_param < MAX_ESC_PAR) { 1698 if (scp->term.last_param != scp->term.num_param) { 1699 scp->term.last_param = scp->term.num_param; 1700 scp->term.param[scp->term.num_param] = 0; 1701 } 1702 else 1703 scp->term.param[scp->term.num_param] *= 10; 1704 scp->term.param[scp->term.num_param] += c - '0'; 1705 return; 1706 } 1707 } 1708 scp->term.num_param = scp->term.last_param + 1; 1709 switch (c) { 1710 1711 case ';': 1712 if (scp->term.num_param < MAX_ESC_PAR) 1713 return; 1714 break; 1715 1716 case 'A': /* set display border color */ 1717 if (scp->term.num_param == 1) 1718 scp->border=scp->term.param[0] & 0xff; 1719 if (scp == cur_console) 1720 set_border(scp->border); 1721 break; 1722 1723 case 'B': /* set bell pitch and duration */ 1724 if (scp->term.num_param == 2) { 1725 scp->bell_pitch = scp->term.param[0]; 1726 scp->bell_duration = scp->term.param[1]*10; 1727 } 1728 break; 1729 1730 case 'C': /* set cursor type & shape */ 1731 if (scp->term.num_param == 1) { 1732 if (scp->term.param[0] & 0x01) 1733 configuration |= BLINK_CURSOR; 1734 else 1735 configuration &= ~BLINK_CURSOR; 1736 if (scp->term.param[0] & 0x02) { 1737 configuration |= CHAR_CURSOR; 1738 set_destructive_cursor(scp, TRUE); 1739 } else 1740 configuration &= ~CHAR_CURSOR; 1741 } 1742 else if (scp->term.num_param == 2) { 1743 scp->cursor_start = scp->term.param[0] & 0x1F; 1744 scp->cursor_end = scp->term.param[1] & 0x1F; 1745 if (configuration & CHAR_CURSOR) 1746 set_destructive_cursor(scp, TRUE); 1747 } 1748 break; 1749 1750 case 'F': /* set ansi foreground */ 1751 if (scp->term.num_param == 1) 1752 scp->term.cur_attr = scp->term.std_attr = 1753 (scp->term.std_attr & 0xF000) 1754 | ((scp->term.param[0] & 0x0F) << 8); 1755 break; 1756 1757 case 'G': /* set ansi background */ 1758 if (scp->term.num_param == 1) 1759 scp->term.cur_attr = scp->term.std_attr = 1760 (scp->term.std_attr & 0x0F00) 1761 | ((scp->term.param[0] & 0x0F) << 12); 1762 break; 1763 1764 case 'H': /* set ansi reverse video foreground */ 1765 if (scp->term.num_param == 1) 1766 scp->term.rev_attr = 1767 (scp->term.rev_attr & 0xF000) 1768 | ((scp->term.param[0] & 0x0F) << 8); 1769 break; 1770 1771 case 'I': /* set ansi reverse video background */ 1772 if (scp->term.num_param == 1) 1773 scp->term.rev_attr = 1774 (scp->term.rev_attr & 0x0F00) 1775 | ((scp->term.param[0] & 0x0F) << 12); 1776 break; 1777 } 1778 } 1779 scp->term.esc = 0; 1780 } 1781 1782 static inline void 1783 draw_cursor(scr_stat *scp, int show) 1784 { 1785 if (show && !(scp->status & CURSOR_SHOWN)) { 1786 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 1787 1788 scp->cursor_saveunder = cursor_image; 1789 if (configuration & CHAR_CURSOR) { 1790 set_destructive_cursor(scp, FALSE); 1791 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 1792 } 1793 else { 1794 if ((cursor_image & 0x7000) == 0x7000) { 1795 cursor_image &= 0x8fff; 1796 if(!(cursor_image & 0x0700)) 1797 cursor_image |= 0x0700; 1798 } else { 1799 cursor_image |= 0x7000; 1800 if ((cursor_image & 0x0700) == 0x0700) 1801 cursor_image &= 0xf0ff; 1802 } 1803 } 1804 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 1805 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1806 scp->status |= CURSOR_SHOWN; 1807 } 1808 if (!show && (scp->status & CURSOR_SHOWN)) { 1809 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 1810 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1811 scp->status &= ~CURSOR_SHOWN; 1812 } 1813 } 1814 1815 static void 1816 ansi_put(scr_stat *scp, u_char *buf, int len) 1817 { 1818 u_char *ptr = buf; 1819 1820 if (scp->status & UNKNOWN_MODE) 1821 return; 1822 1823 /* make screensaver happy */ 1824 if (scp == cur_console) { 1825 scrn_time_stamp = time.tv_sec; 1826 if (scrn_blanked) { 1827 (*current_saver)(FALSE); 1828 cur_console->start = 0; 1829 cur_console->end = cur_console->xsize * cur_console->ysize; 1830 } 1831 } 1832 write_in_progress++; 1833 outloop: 1834 if (scp->term.esc) { 1835 scan_esc(scp, *ptr++); 1836 len--; 1837 } 1838 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1839 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1840 u_short cur_attr = scp->term.cur_attr; 1841 u_short *cursor_pos = scp->cursor_pos; 1842 do { 1843 /* 1844 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 1845 * pointers in the following to volatile should have no effect, 1846 * but in fact speeds up this inner loop from 26 to 18 cycles 1847 * (+ cache misses) on i486's. 1848 */ 1849 #define UCVP(ucp) ((u_char volatile *)(ucp)) 1850 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 1851 ptr++; 1852 cnt--; 1853 } while (cnt && PRINTABLE(*ptr)); 1854 len -= (cursor_pos - scp->cursor_pos); 1855 scp->xpos += (cursor_pos - scp->cursor_pos); 1856 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1857 mark_for_update(scp, cursor_pos - scp->scr_buf); 1858 scp->cursor_pos = cursor_pos; 1859 if (scp->xpos >= scp->xsize) { 1860 scp->xpos = 0; 1861 scp->ypos++; 1862 } 1863 } 1864 else { 1865 switch(*ptr) { 1866 case 0x07: 1867 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1868 break; 1869 1870 case 0x08: /* non-destructive backspace */ 1871 if (scp->cursor_pos > scp->scr_buf) { 1872 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1873 scp->cursor_pos--; 1874 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1875 if (scp->xpos > 0) 1876 scp->xpos--; 1877 else { 1878 scp->xpos += scp->xsize - 1; 1879 scp->ypos--; 1880 } 1881 } 1882 break; 1883 1884 case 0x09: /* non-destructive tab */ 1885 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1886 scp->cursor_pos += (8 - scp->xpos % 8u); 1887 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1888 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 1889 scp->xpos = 0; 1890 scp->ypos++; 1891 } 1892 break; 1893 1894 case 0x0a: /* newline, same pos */ 1895 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1896 scp->cursor_pos += scp->xsize; 1897 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1898 scp->ypos++; 1899 break; 1900 1901 case 0x0c: /* form feed, clears screen */ 1902 clear_screen(scp); 1903 break; 1904 1905 case 0x0d: /* return, return to pos 0 */ 1906 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1907 scp->cursor_pos -= scp->xpos; 1908 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1909 scp->xpos = 0; 1910 break; 1911 1912 case 0x1b: /* start escape sequence */ 1913 scp->term.esc = 1; 1914 scp->term.num_param = 0; 1915 break; 1916 } 1917 ptr++; len--; 1918 } 1919 /* do we have to scroll ?? */ 1920 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 1921 if (scp->history) { 1922 bcopyw(scp->scr_buf, scp->history_head, 1923 scp->xsize * sizeof(u_short)); 1924 scp->history_head += scp->xsize; 1925 if (scp->history_head + scp->xsize > 1926 scp->history + scp->history_size) 1927 scp->history_head = scp->history; 1928 } 1929 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 1930 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 1931 fillw(scp->term.cur_attr | scr_map[0x20], 1932 scp->scr_buf + scp->xsize * (scp->ysize - 1), 1933 scp->xsize); 1934 scp->cursor_pos -= scp->xsize; 1935 scp->ypos--; 1936 mark_all(scp); 1937 } 1938 if (len) 1939 goto outloop; 1940 write_in_progress--; 1941 if (delayed_next_scr) 1942 switch_scr(scp, delayed_next_scr - 1); 1943 } 1944 1945 static void 1946 scinit(void) 1947 { 1948 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1949 unsigned hw_cursor; 1950 int i; 1951 1952 if (init_done) 1953 return; 1954 init_done = TRUE; 1955 /* 1956 * Crtat initialized to point to MONO buffer, if not present change 1957 * to CGA_BUF offset. ONLY add the difference since locore.s adds 1958 * in the remapped offset at the "right" time 1959 */ 1960 was = *cp; 1961 *cp = (u_short) 0xA55A; 1962 if (*cp != 0xA55A) 1963 crtc_addr = MONO_BASE; 1964 else { 1965 *cp = was; 1966 crtc_addr = COLOR_BASE; 1967 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1968 } 1969 1970 /* extract cursor location */ 1971 outb(crtc_addr, 14); 1972 hw_cursor = inb(crtc_addr + 1) << 8; 1973 outb(crtc_addr, 15); 1974 hw_cursor |= inb(crtc_addr + 1); 1975 1976 /* move hardware cursor out of the way */ 1977 outb(crtc_addr, 14); 1978 outb(crtc_addr + 1, 0xff); 1979 outb(crtc_addr, 15); 1980 outb(crtc_addr + 1, 0xff); 1981 1982 /* is this a VGA or higher ? */ 1983 outb(crtc_addr, 7); 1984 if (inb(crtc_addr) == 7) { 1985 u_long pa; 1986 u_long segoff; 1987 1988 crtc_vga = TRUE; 1989 /* 1990 * Get the BIOS video mode pointer. 1991 */ 1992 segoff = *(u_long *)pa_to_va(0x4a8); 1993 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 1994 if (ISMAPPED(pa, sizeof(u_long))) { 1995 segoff = *(u_long *)pa_to_va(pa); 1996 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 1997 if (ISMAPPED(pa, 64)) 1998 video_mode_ptr = (char *)pa_to_va(pa); 1999 } 2000 } 2001 current_default = &user_default; 2002 console[0] = &main_console; 2003 init_scp(console[0]); 2004 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2005 console[0]->cursor_pos = Crtat + hw_cursor; 2006 console[0]->xpos = hw_cursor % COL; 2007 console[0]->ypos = hw_cursor / COL; 2008 cur_console = console[0]; 2009 for (i=1; i<MAXCONS; i++) 2010 console[i] = NULL; 2011 kernel_console.esc = 0; 2012 kernel_console.std_attr = kernel_default.std_attr; 2013 kernel_console.rev_attr = kernel_default.rev_attr; 2014 kernel_console.cur_attr = kernel_default.std_attr; 2015 /* initialize mapscrn array to a one to one map */ 2016 for (i=0; i<sizeof(scr_map); i++) 2017 scr_map[i] = i; 2018 } 2019 2020 static scr_stat 2021 *alloc_scp() 2022 { 2023 scr_stat *scp; 2024 2025 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_NOWAIT); 2026 init_scp(scp); 2027 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 2028 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2029 M_DEVBUF, M_NOWAIT); 2030 scp->history_head = scp->history_pos = scp->history = 2031 (u_short *)malloc(scp->history_size*sizeof(u_short), 2032 M_DEVBUF, M_NOWAIT); 2033 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2034 if (crtc_vga && video_mode_ptr) 2035 set_mode(scp); 2036 clear_screen(scp); 2037 return scp; 2038 } 2039 2040 static void 2041 init_scp(scr_stat *scp) 2042 { 2043 scp->mode = M_VGA_C80x25; 2044 scp->font = FONT_16; 2045 scp->xsize = COL; 2046 scp->ysize = ROW; 2047 scp->start = COL * ROW; 2048 scp->end = 0; 2049 scp->term.esc = 0; 2050 scp->term.std_attr = current_default->std_attr; 2051 scp->term.rev_attr = current_default->rev_attr; 2052 scp->term.cur_attr = scp->term.std_attr; 2053 scp->border = BG_BLACK; 2054 scp->cursor_start = *(char *)pa_to_va(0x461); 2055 scp->cursor_end = *(char *)pa_to_va(0x460); 2056 scp->mouse_xpos = scp->mouse_ypos = 0; 2057 scp->bell_pitch = BELL_PITCH; 2058 scp->bell_duration = BELL_DURATION; 2059 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2060 scp->status |= CURSOR_ENABLED; 2061 scp->pid = 0; 2062 scp->proc = NULL; 2063 scp->smode.mode = VT_AUTO; 2064 scp->history_head = scp->history_pos = scp->history = NULL; 2065 scp->history_size = HISTORY_SIZE; 2066 } 2067 2068 static u_char 2069 *get_fstr(u_int c, u_int *len) 2070 { 2071 u_int i; 2072 2073 if (!(c & FKEY)) 2074 return(NULL); 2075 i = (c & 0xFF) - F_FN; 2076 if (i > n_fkey_tab) 2077 return(NULL); 2078 *len = fkey_tab[i].len; 2079 return(fkey_tab[i].str); 2080 } 2081 2082 static void 2083 update_leds(int which) 2084 { 2085 int s; 2086 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2087 2088 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2089 if (key_map.n_keys > ALTGR_OFFSET) { 2090 if (which & ALKED) 2091 which |= CLKED; 2092 else 2093 which &= ~CLKED; 2094 } 2095 s = spltty(); 2096 kbd_cmd(KB_SETLEDS); 2097 kbd_cmd(xlate_leds[which & LED_MASK]); 2098 splx(s); 2099 } 2100 2101 static void 2102 history_to_screen(scr_stat *scp) 2103 { 2104 int i; 2105 2106 for (i=0; i<scp->ysize; i++) 2107 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2108 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2109 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2110 scp->xsize * sizeof(u_short)); 2111 mark_all(scp); 2112 } 2113 2114 static int 2115 history_up_line(scr_stat *scp) 2116 { 2117 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2118 scp->history_head) { 2119 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2120 history_to_screen(scp); 2121 return 0; 2122 } 2123 else 2124 return -1; 2125 } 2126 2127 static int 2128 history_down_line(scr_stat *scp) 2129 { 2130 if (scp->history_pos != 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 2139 /* 2140 * scgetc(noblock) - get character from keyboard. 2141 * If noblock = 0 wait until a key is pressed. 2142 * Else return NOKEY. 2143 */ 2144 u_int 2145 scgetc(int noblock) 2146 { 2147 u_char scancode, keycode; 2148 u_int state, action; 2149 struct key_t *key; 2150 static u_char esc_flag = 0, compose = 0; 2151 static u_int chr = 0; 2152 2153 next_code: 2154 kbd_wait(); 2155 /* First see if there is something in the keyboard port */ 2156 if (inb(KB_STAT) & KB_BUF_FULL) 2157 scancode = inb(KB_DATA); 2158 else if (noblock) 2159 return(NOKEY); 2160 else 2161 goto next_code; 2162 2163 if (cur_console->status & KBD_RAW_MODE) 2164 return scancode; 2165 #if ASYNCH 2166 if (scancode == KB_ACK || scancode == KB_RESEND) { 2167 kbd_reply = scancode; 2168 if (noblock) 2169 return(NOKEY); 2170 goto next_code; 2171 } 2172 #endif 2173 keycode = scancode & 0x7F; 2174 switch (esc_flag) { 2175 case 0x00: /* normal scancode */ 2176 switch(scancode) { 2177 case 0xB8: /* left alt (compose key) */ 2178 if (compose) { 2179 compose = 0; 2180 if (chr > 255) { 2181 do_bell(cur_console, 2182 BELL_PITCH, BELL_DURATION); 2183 chr = 0; 2184 } 2185 } 2186 break; 2187 case 0x38: 2188 if (!compose) { 2189 compose = 1; 2190 chr = 0; 2191 } 2192 break; 2193 case 0xE0: 2194 case 0xE1: 2195 esc_flag = scancode; 2196 goto next_code; 2197 } 2198 break; 2199 case 0xE0: /* 0xE0 prefix */ 2200 esc_flag = 0; 2201 switch (keycode) { 2202 case 0x1C: /* right enter key */ 2203 keycode = 0x59; 2204 break; 2205 case 0x1D: /* right ctrl key */ 2206 keycode = 0x5A; 2207 break; 2208 case 0x35: /* keypad divide key */ 2209 keycode = 0x5B; 2210 break; 2211 case 0x37: /* print scrn key */ 2212 keycode = 0x5C; 2213 break; 2214 case 0x38: /* right alt key (alt gr) */ 2215 keycode = 0x5D; 2216 break; 2217 case 0x47: /* grey home key */ 2218 keycode = 0x5E; 2219 break; 2220 case 0x48: /* grey up arrow key */ 2221 keycode = 0x5F; 2222 break; 2223 case 0x49: /* grey page up key */ 2224 keycode = 0x60; 2225 break; 2226 case 0x4B: /* grey left arrow key */ 2227 keycode = 0x61; 2228 break; 2229 case 0x4D: /* grey right arrow key */ 2230 keycode = 0x62; 2231 break; 2232 case 0x4F: /* grey end key */ 2233 keycode = 0x63; 2234 break; 2235 case 0x50: /* grey down arrow key */ 2236 keycode = 0x64; 2237 break; 2238 case 0x51: /* grey page down key */ 2239 keycode = 0x65; 2240 break; 2241 case 0x52: /* grey insert key */ 2242 keycode = 0x66; 2243 break; 2244 case 0x53: /* grey delete key */ 2245 keycode = 0x67; 2246 break; 2247 2248 /* the following 3 are only used on the MS "Natural" keyboard */ 2249 case 0x5b: /* left Window key */ 2250 keycode = 0x69; 2251 break; 2252 case 0x5c: /* right Window key */ 2253 keycode = 0x6a; 2254 break; 2255 case 0x5d: /* menu key */ 2256 keycode = 0x6b; 2257 break; 2258 default: /* ignore everything else */ 2259 goto next_code; 2260 } 2261 break; 2262 case 0xE1: /* 0xE1 prefix */ 2263 esc_flag = 0; 2264 if (keycode == 0x1D) 2265 esc_flag = 0x1D; 2266 goto next_code; 2267 /* NOT REACHED */ 2268 case 0x1D: /* pause / break */ 2269 esc_flag = 0; 2270 if (keycode != 0x45) 2271 goto next_code; 2272 keycode = 0x68; 2273 break; 2274 } 2275 2276 /* if scroll-lock pressed allow history browsing */ 2277 if (cur_console->history && cur_console->status & SLKED) { 2278 int i; 2279 2280 cur_console->status &= ~CURSOR_ENABLED; 2281 if (!(cur_console->status & BUFFER_SAVED)) { 2282 cur_console->status |= BUFFER_SAVED; 2283 cur_console->history_save = cur_console->history_head; 2284 2285 /* copy screen into top of history buffer */ 2286 for (i=0; i<cur_console->ysize; i++) { 2287 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2288 cur_console->history_head, 2289 cur_console->xsize * sizeof(u_short)); 2290 cur_console->history_head += cur_console->xsize; 2291 if (cur_console->history_head + cur_console->xsize > 2292 cur_console->history + cur_console->history_size) 2293 cur_console->history_head=cur_console->history; 2294 } 2295 cur_console->history_pos = cur_console->history_head; 2296 history_to_screen(cur_console); 2297 } 2298 switch (scancode) { 2299 case 0x47: /* home key */ 2300 cur_console->history_pos = cur_console->history_head; 2301 history_to_screen(cur_console); 2302 goto next_code; 2303 2304 case 0x4F: /* end key */ 2305 cur_console->history_pos = 2306 WRAPHIST(cur_console, cur_console->history_head, 2307 cur_console->xsize*cur_console->ysize); 2308 history_to_screen(cur_console); 2309 goto next_code; 2310 2311 case 0x48: /* up arrow key */ 2312 if (history_up_line(cur_console)) 2313 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2314 goto next_code; 2315 2316 case 0x50: /* down arrow key */ 2317 if (history_down_line(cur_console)) 2318 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2319 goto next_code; 2320 2321 case 0x49: /* page up key */ 2322 for (i=0; i<cur_console->ysize; i++) 2323 if (history_up_line(cur_console)) { 2324 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2325 break; 2326 } 2327 goto next_code; 2328 2329 case 0x51: /* page down key */ 2330 for (i=0; i<cur_console->ysize; i++) 2331 if (history_down_line(cur_console)) { 2332 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2333 break; 2334 } 2335 goto next_code; 2336 } 2337 } 2338 2339 if (compose) { 2340 switch (scancode) { 2341 /* key pressed process it */ 2342 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2343 chr = (scancode - 0x40) + chr*10; 2344 goto next_code; 2345 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2346 chr = (scancode - 0x47) + chr*10; 2347 goto next_code; 2348 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2349 chr = (scancode - 0x4E) + chr*10; 2350 goto next_code; 2351 case 0x52: /* keypad 0 */ 2352 chr *= 10; 2353 goto next_code; 2354 2355 /* key release, no interest here */ 2356 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2357 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2358 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2359 case 0xD2: /* keypad 0 */ 2360 goto next_code; 2361 2362 case 0x38: /* left alt key */ 2363 break; 2364 default: 2365 if (chr) { 2366 compose = chr = 0; 2367 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2368 goto next_code; 2369 } 2370 break; 2371 } 2372 } 2373 2374 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2375 if ((!agrs && (cur_console->status & ALKED)) 2376 || (agrs && !(cur_console->status & ALKED))) 2377 keycode += ALTGR_OFFSET; 2378 key = &key_map.key[keycode]; 2379 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2380 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2381 state ^= 1; 2382 2383 /* Check for make/break */ 2384 action = key->map[state]; 2385 if (scancode & 0x80) { /* key released */ 2386 if (key->spcl & 0x80) { 2387 switch (action) { 2388 case LSH: 2389 shfts &= ~1; 2390 break; 2391 case RSH: 2392 shfts &= ~2; 2393 break; 2394 case LCTR: 2395 ctls &= ~1; 2396 break; 2397 case RCTR: 2398 ctls &= ~2; 2399 break; 2400 case LALT: 2401 alts &= ~1; 2402 break; 2403 case RALT: 2404 alts &= ~2; 2405 break; 2406 case NLK: 2407 nlkcnt = 0; 2408 break; 2409 case CLK: 2410 clkcnt = 0; 2411 break; 2412 case SLK: 2413 slkcnt = 0; 2414 break; 2415 case ASH: 2416 agrs = 0; 2417 break; 2418 case ALK: 2419 alkcnt = 0; 2420 break; 2421 case META: 2422 metas = 0; 2423 break; 2424 } 2425 } 2426 if (chr && !compose) { 2427 action = chr; 2428 chr = 0; 2429 return(action); 2430 } 2431 } else { 2432 /* key pressed */ 2433 if (key->spcl & (0x80>>state)) { 2434 switch (action) { 2435 /* LOCKING KEYS */ 2436 case NLK: 2437 if (!nlkcnt) { 2438 nlkcnt++; 2439 if (cur_console->status & NLKED) 2440 cur_console->status &= ~NLKED; 2441 else 2442 cur_console->status |= NLKED; 2443 update_leds(cur_console->status); 2444 } 2445 break; 2446 case CLK: 2447 if (!clkcnt) { 2448 clkcnt++; 2449 if (cur_console->status & CLKED) 2450 cur_console->status &= ~CLKED; 2451 else 2452 cur_console->status |= CLKED; 2453 update_leds(cur_console->status); 2454 } 2455 break; 2456 case SLK: 2457 if (!slkcnt) { 2458 slkcnt++; 2459 if (cur_console->status & SLKED) { 2460 cur_console->status &= ~SLKED; 2461 if (cur_console->status & BUFFER_SAVED){ 2462 int i; 2463 u_short *ptr = cur_console->history_save; 2464 2465 for (i=0; i<cur_console->ysize; i++) { 2466 bcopyw(ptr, 2467 cur_console->scr_buf + 2468 (cur_console->xsize*i), 2469 cur_console->xsize * sizeof(u_short)); 2470 ptr += cur_console->xsize; 2471 if (ptr + cur_console->xsize > 2472 cur_console->history + 2473 cur_console->history_size) 2474 ptr = cur_console->history; 2475 } 2476 cur_console->status &= ~BUFFER_SAVED; 2477 cur_console->history_head=cur_console->history_save; 2478 cur_console->status |= CURSOR_ENABLED; 2479 mark_all(cur_console); 2480 } 2481 scstart(VIRTUAL_TTY(get_scr_num())); 2482 } 2483 else 2484 cur_console->status |= SLKED; 2485 update_leds(cur_console->status); 2486 } 2487 break; 2488 case ALK: 2489 if (!alkcnt) { 2490 alkcnt++; 2491 if (cur_console->status & ALKED) 2492 cur_console->status &= ~ALKED; 2493 else 2494 cur_console->status |= ALKED; 2495 update_leds(cur_console->status); 2496 } 2497 break; 2498 2499 /* NON-LOCKING KEYS */ 2500 case NOP: 2501 break; 2502 case RBT: 2503 shutdown_nice(); 2504 break; 2505 case SUSP: 2506 #if NAPM > 0 2507 apm_suspend(); 2508 #endif 2509 break; 2510 2511 case DBG: 2512 #ifdef DDB /* try to switch to console 0 */ 2513 if (cur_console->smode.mode == VT_AUTO && 2514 console[0]->smode.mode == VT_AUTO) 2515 switch_scr(cur_console, 0); 2516 Debugger("manual escape to debugger"); 2517 return(NOKEY); 2518 #else 2519 printf("No debugger in kernel\n"); 2520 #endif 2521 break; 2522 case LSH: 2523 shfts |= 1; 2524 break; 2525 case RSH: 2526 shfts |= 2; 2527 break; 2528 case LCTR: 2529 ctls |= 1; 2530 break; 2531 case RCTR: 2532 ctls |= 2; 2533 break; 2534 case LALT: 2535 alts |= 1; 2536 break; 2537 case RALT: 2538 alts |= 2; 2539 break; 2540 case ASH: 2541 agrs = 1; 2542 break; 2543 case META: 2544 metas = 1; 2545 break; 2546 case NEXT: 2547 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2548 break; 2549 case BTAB: 2550 return(BKEY); 2551 default: 2552 if (action >= F_SCR && action <= L_SCR) { 2553 switch_scr(cur_console, action - F_SCR); 2554 break; 2555 } 2556 if (action >= F_FN && action <= L_FN) 2557 action |= FKEY; 2558 return(action); 2559 } 2560 } 2561 else { 2562 if (metas) 2563 action |= MKEY; 2564 return(action); 2565 } 2566 } 2567 goto next_code; 2568 } 2569 2570 int 2571 scmmap(dev_t dev, int offset, int nprot) 2572 { 2573 if (offset > 0x20000 - PAGE_SIZE) 2574 return -1; 2575 return i386_btop((VIDEOMEM + offset)); 2576 } 2577 2578 static void 2579 kbd_wait(void) 2580 { 2581 int i = 1000; 2582 2583 while (i--) { 2584 if ((inb(KB_STAT) & KB_READY) == 0) 2585 break; 2586 DELAY (10); 2587 } 2588 } 2589 2590 static void 2591 kbd_cmd(u_char command) 2592 { 2593 int retry = 5; 2594 do { 2595 int i = 100000; 2596 2597 kbd_wait(); 2598 #if ASYNCH 2599 kbd_reply = 0; 2600 outb(KB_DATA, command); 2601 while (i--) { 2602 if (kbd_reply == KB_ACK) 2603 return; 2604 if (kbd_reply == KB_RESEND) 2605 break; 2606 } 2607 #else 2608 outb(KB_DATA, command); 2609 while (i--) { 2610 if (inb(KB_STAT) & KB_BUF_FULL) { 2611 int val; 2612 DELAY(10); 2613 val = inb(KB_DATA); 2614 if (val == KB_ACK) 2615 return; 2616 if (val == KB_RESEND) 2617 break; 2618 } 2619 } 2620 #endif 2621 } while (retry--); 2622 } 2623 2624 static void 2625 set_mode(scr_stat *scp) 2626 { 2627 char *modetable; 2628 char special_modetable[64]; 2629 int mode, font_size; 2630 2631 if (scp != cur_console) 2632 return; 2633 2634 /* setup video hardware for the given mode */ 2635 switch (scp->mode) { 2636 case M_VGA_M80x60: 2637 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2638 goto special_80x60; 2639 2640 case M_VGA_C80x60: 2641 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2642 special_80x60: 2643 special_modetable[2] = 0x08; 2644 special_modetable[19] = 0x47; 2645 goto special_480l; 2646 2647 case M_VGA_M80x30: 2648 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2649 goto special_80x30; 2650 2651 case M_VGA_C80x30: 2652 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2653 special_80x30: 2654 special_modetable[19] = 0x4f; 2655 special_480l: 2656 special_modetable[9] |= 0xc0; 2657 special_modetable[16] = 0x08; 2658 special_modetable[17] = 0x3e; 2659 special_modetable[26] = 0xea; 2660 special_modetable[28] = 0xdf; 2661 special_modetable[31] = 0xe7; 2662 special_modetable[32] = 0x04; 2663 modetable = special_modetable; 2664 goto setup_mode; 2665 2666 case M_ENH_B80x43: 2667 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2668 goto special_80x43; 2669 2670 case M_ENH_C80x43: 2671 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2672 special_80x43: 2673 special_modetable[28] = 87; 2674 goto special_80x50; 2675 2676 case M_VGA_M80x50: 2677 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2678 goto special_80x50; 2679 2680 case M_VGA_C80x50: 2681 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2682 special_80x50: 2683 special_modetable[2] = 8; 2684 special_modetable[19] = 7; 2685 modetable = special_modetable; 2686 goto setup_mode; 2687 2688 case M_VGA_C40x25: case M_VGA_C80x25: 2689 case M_VGA_M80x25: 2690 case M_B40x25: case M_C40x25: 2691 case M_B80x25: case M_C80x25: 2692 case M_ENH_B40x25: case M_ENH_C40x25: 2693 case M_ENH_B80x25: case M_ENH_C80x25: 2694 2695 modetable = video_mode_ptr + (scp->mode * 64); 2696 setup_mode: 2697 set_vgaregs(modetable); 2698 font_size = *(modetable + 2); 2699 2700 /* set font type (size) */ 2701 switch (font_size) { 2702 case 0x10: 2703 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2704 scp->font = FONT_16; 2705 break; 2706 case 0x0E: 2707 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2708 scp->font = FONT_14; 2709 break; 2710 default: 2711 case 0x08: 2712 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2713 scp->font = FONT_8; 2714 break; 2715 } 2716 if (configuration & CHAR_CURSOR) 2717 set_destructive_cursor(scp, TRUE); 2718 break; 2719 2720 case M_BG320: case M_CG320: case M_BG640: 2721 case M_CG320_D: case M_CG640_E: 2722 case M_CG640x350: case M_ENH_CG640: 2723 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2724 2725 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2726 break; 2727 2728 default: 2729 /* call user defined function XXX */ 2730 break; 2731 } 2732 2733 /* set border color for this (virtual) console */ 2734 set_border(scp->border); 2735 return; 2736 } 2737 2738 void 2739 set_border(int color) 2740 { 2741 inb(crtc_addr+6); /* reset flip-flop */ 2742 outb(ATC, 0x11); outb(ATC, color); 2743 inb(crtc_addr+6); /* reset flip-flop */ 2744 outb(ATC, 0x20); /* enable Palette */ 2745 } 2746 2747 static void 2748 set_vgaregs(char *modetable) 2749 { 2750 int i, s = splhigh(); 2751 2752 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2753 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2754 for (i=0; i<4; i++) { /* program sequencer */ 2755 outb(TSIDX, i+1); 2756 outb(TSREG, modetable[i+5]); 2757 } 2758 outb(MISC, modetable[9]); /* set dot-clock */ 2759 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2760 outb(crtc_addr, 0x11); 2761 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2762 for (i=0; i<25; i++) { /* program crtc */ 2763 outb(crtc_addr, i); 2764 if (i == 14 || i == 15) /* no hardware cursor */ 2765 outb(crtc_addr+1, 0xff); 2766 else 2767 outb(crtc_addr+1, modetable[i+10]); 2768 } 2769 inb(crtc_addr+6); /* reset flip-flop */ 2770 for (i=0; i<20; i++) { /* program attribute ctrl */ 2771 outb(ATC, i); 2772 outb(ATC, modetable[i+35]); 2773 } 2774 for (i=0; i<9; i++) { /* program graph data ctrl */ 2775 outb(GDCIDX, i); 2776 outb(GDCREG, modetable[i+55]); 2777 } 2778 inb(crtc_addr+6); /* reset flip-flop */ 2779 outb(ATC ,0x20); /* enable palette */ 2780 splx(s); 2781 } 2782 2783 static void 2784 set_font_mode() 2785 { 2786 /* setup vga for loading fonts (graphics plane mode) */ 2787 inb(crtc_addr+6); 2788 outb(ATC, 0x30); outb(ATC, 0x01); 2789 #if SLOW_VGA 2790 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2791 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2792 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2793 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2794 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2795 #else 2796 outw(TSIDX, 0x0402); 2797 outw(TSIDX, 0x0604); 2798 outw(GDCIDX, 0x0204); 2799 outw(GDCIDX, 0x0005); 2800 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2801 #endif 2802 } 2803 2804 static void 2805 set_normal_mode() 2806 { 2807 int s = splhigh(); 2808 2809 /* setup vga for normal operation mode again */ 2810 inb(crtc_addr+6); 2811 outb(ATC, 0x30); outb(ATC, 0x0C); 2812 #if SLOW_VGA 2813 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2814 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2815 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2816 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2817 if (crtc_addr == MONO_BASE) { 2818 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2819 } 2820 else { 2821 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2822 } 2823 #else 2824 outw(TSIDX, 0x0302); 2825 outw(TSIDX, 0x0204); 2826 outw(GDCIDX, 0x0004); 2827 outw(GDCIDX, 0x1005); 2828 if (crtc_addr == MONO_BASE) 2829 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2830 else 2831 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2832 #endif 2833 splx(s); 2834 } 2835 2836 static void 2837 copy_font(int operation, int font_type, char* font_image) 2838 { 2839 int ch, line, segment, fontsize; 2840 u_char val; 2841 2842 switch (font_type) { 2843 default: 2844 case FONT_8: 2845 segment = 0x8000; 2846 fontsize = 8; 2847 break; 2848 case FONT_14: 2849 segment = 0x4000; 2850 fontsize = 14; 2851 break; 2852 case FONT_16: 2853 segment = 0x0000; 2854 fontsize = 16; 2855 break; 2856 } 2857 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 2858 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2859 set_font_mode(); 2860 for (ch=0; ch < 256; ch++) 2861 for (line=0; line < fontsize; line++) 2862 if (operation) 2863 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 2864 font_image[(ch*fontsize)+line]; 2865 else 2866 font_image[(ch*fontsize)+line] = 2867 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 2868 set_normal_mode(); 2869 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 2870 } 2871 2872 static void 2873 set_destructive_cursor(scr_stat *scp, int force) 2874 { 2875 u_char cursor[32]; 2876 caddr_t address; 2877 int i, font_size; 2878 char *font_buffer; 2879 static u_char old_saveunder = DEAD_CHAR; 2880 2881 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 2882 return; 2883 old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF; 2884 switch (scp->font) { 2885 default: 2886 case FONT_8: 2887 font_size = 8; 2888 font_buffer = font_8; 2889 address = (caddr_t)VIDEOMEM + 0x8000; 2890 break; 2891 case FONT_14: 2892 font_size = 14; 2893 font_buffer = font_14; 2894 address = (caddr_t)VIDEOMEM + 0x4000; 2895 break; 2896 case FONT_16: 2897 font_size = 16; 2898 font_buffer = font_16; 2899 address = (caddr_t)VIDEOMEM; 2900 break; 2901 } 2902 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 2903 cursor, font_size); 2904 for (i=0; i<32; i++) 2905 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 2906 (scp->cursor_start >= font_size && i == font_size - 1)) 2907 cursor[i] |= 0xff; 2908 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 2909 set_font_mode(); 2910 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 2911 set_normal_mode(); 2912 } 2913 2914 static void 2915 draw_mouse_image(scr_stat *scp) 2916 { 2917 caddr_t address; 2918 int i, font_size; 2919 char *font_buffer; 2920 u_short buffer[32]; 2921 u_short xoffset, yoffset; 2922 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 2923 2924 xoffset = scp->mouse_xpos % 8; 2925 switch (scp->font) { 2926 default: 2927 case FONT_8: 2928 font_size = 8; 2929 font_buffer = font_8; 2930 yoffset = scp->mouse_ypos % 8; 2931 address = (caddr_t)VIDEOMEM + 0x8000; 2932 break; 2933 case FONT_14: 2934 font_size = 14; 2935 font_buffer = font_14; 2936 yoffset = scp->mouse_ypos % 14; 2937 address = (caddr_t)VIDEOMEM + 0x4000; 2938 break; 2939 case FONT_16: 2940 font_size = 16; 2941 font_buffer = font_16; 2942 yoffset = scp->mouse_ypos % 16; 2943 address = (caddr_t)VIDEOMEM; 2944 break; 2945 } 2946 2947 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 2948 &scp->mouse_cursor[0], font_size); 2949 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 2950 &scp->mouse_cursor[32], font_size); 2951 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 2952 &scp->mouse_cursor[64], font_size); 2953 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 2954 &scp->mouse_cursor[96], font_size); 2955 2956 for (i=0; i<font_size; i++) { 2957 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 2958 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 2959 } 2960 for (i=0; i<16; i++) { 2961 buffer[i+yoffset] = 2962 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 2963 | (mouse_or_mask[i] >> xoffset); 2964 } 2965 for (i=0; i<font_size; i++) { 2966 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 2967 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 2968 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 2969 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 2970 } 2971 if (scp->status & UPDATE_MOUSE) { 2972 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 2973 2974 if (crt_pos != scp->mouse_oldpos) { 2975 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 2976 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 2977 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 2978 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 2979 } 2980 scp->mouse_saveunder[0] = *(scp->mouse_pos); 2981 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 2982 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 2983 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 2984 if ((scp->cursor_pos == (ptr)) || 2985 (scp->cursor_pos == (ptr+1)) || 2986 (scp->cursor_pos == (ptr+scp->xsize)) || 2987 (scp->cursor_pos == (ptr+scp->xsize+1)) || 2988 (scp->cursor_pos == (scp->mouse_pos)) || 2989 (scp->cursor_pos == (scp->mouse_pos+1)) || 2990 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 2991 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 2992 scp->status &= ~CURSOR_SHOWN; 2993 } 2994 scp->mouse_oldpos = crt_pos; 2995 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 2996 *(crt_pos) = *(scp->mouse_pos)&0xff00|0xd0; 2997 *(crt_pos+1) = *(scp->mouse_pos+1)&0xff00|0xd1; 2998 *(crt_pos+scp->xsize) = *(scp->mouse_pos+scp->xsize)&0xff00|0xd2; 2999 *(crt_pos+scp->xsize+1) = *(scp->mouse_pos+scp->xsize+1)&0xff00|0xd3; 3000 set_font_mode(); 3001 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3002 set_normal_mode(); 3003 } 3004 3005 static void 3006 save_palette(void) 3007 { 3008 int i; 3009 3010 outb(PALRADR, 0x00); 3011 for (i=0x00; i<0x300; i++) 3012 palette[i] = inb(PALDATA); 3013 inb(crtc_addr+6); /* reset flip/flop */ 3014 } 3015 3016 void 3017 load_palette(void) 3018 { 3019 int i; 3020 3021 outb(PIXMASK, 0xFF); /* no pixelmask */ 3022 outb(PALWADR, 0x00); 3023 for (i=0x00; i<0x300; i++) 3024 outb(PALDATA, palette[i]); 3025 inb(crtc_addr+6); /* reset flip/flop */ 3026 outb(ATC, 0x20); /* enable palette */ 3027 } 3028 3029 static void 3030 do_bell(scr_stat *scp, int pitch, int duration) 3031 { 3032 if (scp == cur_console) { 3033 if (configuration & VISUAL_BELL) { 3034 if (blink_in_progress) 3035 return; 3036 blink_in_progress = 4; 3037 blink_screen(scp); 3038 timeout((timeout_func_t)blink_screen, scp, hz/10); 3039 } 3040 else 3041 sysbeep(pitch, duration); 3042 } 3043 } 3044 3045 static void 3046 blink_screen(scr_stat *scp) 3047 { 3048 if (blink_in_progress > 1) { 3049 if (blink_in_progress & 1) 3050 fillw(kernel_default.std_attr | scr_map[0x20], 3051 Crtat, scp->xsize * scp->ysize); 3052 else 3053 fillw(kernel_default.rev_attr | scr_map[0x20], 3054 Crtat, scp->xsize * scp->ysize); 3055 blink_in_progress--; 3056 timeout((timeout_func_t)blink_screen, scp, hz/10); 3057 } 3058 else { 3059 blink_in_progress = FALSE; 3060 mark_all(scp); 3061 if (delayed_next_scr) 3062 switch_scr(scp, delayed_next_scr - 1); 3063 } 3064 } 3065 3066 #endif /* NSC */ 3067