syscons.c revision 8017
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 1.112 1995/04/12 20:48:07 wollman 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]; 131#endif 132#define MONO_BUF pa_to_va(0xB0000) 133#define CGA_BUF pa_to_va(0xB8000) 134u_short *Crtat = (u_short *)MONO_BUF; 135 136#define WRAPHIST(scp, pointer, offset)\ 137 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 138 + (offset)) % (scp->history_size))) 139 140struct isa_driver scdriver = { 141 scprobe, scattach, "sc", 1 142}; 143 144int 145scprobe(struct isa_device *dev) 146{ 147 int i, retries = 5; 148 unsigned char val; 149 150 /* Enable interrupts and keyboard controller */ 151 kbd_wait(); 152 outb(KB_STAT, KB_WRITE); 153 kbd_wait(); 154 outb(KB_DATA, KB_MODE); 155 156 /* flush any noise in the buffer */ 157 while (inb(KB_STAT) & KB_BUF_FULL) { 158 DELAY(10); 159 (void) inb(KB_DATA); 160 } 161 162 /* Reset keyboard hardware */ 163 while (retries--) { 164 kbd_wait(); 165 outb(KB_DATA, KB_RESET); 166 for (i=0; i<100000; i++) { 167 DELAY(10); 168 val = inb(KB_DATA); 169 if (val == KB_ACK || val == KB_ECHO) 170 goto gotres; 171 if (val == KB_RESEND) 172 break; 173 } 174 } 175gotres: 176 if (!retries) 177 printf("scprobe: keyboard won't accept RESET command\n"); 178 else { 179gotack: 180 DELAY(10); 181 while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10); 182 DELAY(10); 183 val = inb(KB_DATA); 184 if (val == KB_ACK) 185 goto gotack; 186 if (val != KB_RESET_DONE) 187 printf("scprobe: keyboard RESET failed %02x\n", val); 188 } 189#ifdef XT_KEYBOARD 190 kbd_wait(); 191 outb(KB_DATA, 0xF0); 192 kbd_wait(); 193 outb(KB_DATA, 1) 194 kbd_wait(); 195#endif /* XT_KEYBOARD */ 196 return (IO_KBDSIZE); 197} 198 199static struct kern_devconf kdc_sc[NSC] = { 200 0, 0, 0, /* filled in by dev_attach */ 201 "sc", 0, { MDDT_ISA, 0, "tty" }, 202 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, 203 &kdc_isa0, /* parent */ 204 0, /* parentdata */ 205 DC_BUSY, /* the console is almost always busy */ 206 "Graphics console", 207 DC_CLS_DISPLAY /* class */ 208}; 209 210static inline void 211sc_registerdev(struct isa_device *id) 212{ 213 if(id->id_unit) 214 kdc_sc[id->id_unit] = kdc_sc[0]; 215 kdc_sc[id->id_unit].kdc_unit = id->id_unit; 216 kdc_sc[id->id_unit].kdc_isa = id; 217 dev_attach(&kdc_sc[id->id_unit]); 218} 219 220#if NAPM > 0 221static int 222scresume(void *dummy) 223{ 224 shfts = 0; 225 ctls = 0; 226 alts = 0; 227 agrs = 0; 228 metas = 0; 229 return 0; 230} 231#endif 232 233int 234scattach(struct isa_device *dev) 235{ 236 scr_stat *scp; 237 238 scinit(); 239 configuration = dev->id_flags; 240 241 scp = console[0]; 242 243 if (crtc_vga) { 244 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 245 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 246 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 247 copy_font(SAVE, FONT_16, font_16); 248 fonts_loaded = FONT_16; 249 scp->font = FONT_16; 250 save_palette(); 251 } 252 253 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 254 M_DEVBUF, M_NOWAIT); 255 /* copy screen to buffer */ 256 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 257 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 258 scp->mouse_pos = scp->scr_buf; 259 260 /* initialize history buffer & pointers */ 261 scp->history_head = scp->history_pos = scp->history = 262 (u_short *)malloc(scp->history_size*sizeof(u_short), 263 M_DEVBUF, M_NOWAIT); 264 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 265 266 /* initialize cursor stuff */ 267 draw_cursor(scp, TRUE); 268 if (crtc_vga && (configuration & CHAR_CURSOR)) 269 set_destructive_cursor(scp, TRUE); 270 271 /* get screen update going */ 272 scrn_timer(); 273 274 update_leds(scp->status); 275 sc_registerdev(dev); 276 277 printf("sc%d: ", dev->id_unit); 278 if (crtc_vga) 279 if (crtc_addr == MONO_BASE) 280 printf("VGA mono"); 281 else 282 printf("VGA color"); 283 else 284 if (crtc_addr == MONO_BASE) 285 printf("MDA/hercules"); 286 else 287 printf("CGA/EGA"); 288 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 289 290#if NAPM > 0 291 scp->r_hook.ah_fun = scresume; 292 scp->r_hook.ah_arg = NULL; 293 scp->r_hook.ah_name = "system keyboard"; 294 scp->r_hook.ah_order = APM_MID_ORDER; 295 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 296#endif 297 return 0; 298} 299 300struct tty 301*scdevtotty(dev_t dev) 302{ 303 int unit = minor(dev); 304 305 if (unit > MAXCONS || unit < 0) 306 return(NULL); 307 if (unit == MAXCONS) 308 return CONSOLE_TTY; 309 return VIRTUAL_TTY(unit); 310} 311 312static scr_stat 313*get_scr_stat(dev_t dev) 314{ 315 int unit = minor(dev); 316 317 if (unit > MAXCONS || unit < 0) 318 return(NULL); 319 if (unit == MAXCONS) 320 return console[0]; 321 return console[unit]; 322} 323 324static int 325get_scr_num() 326{ 327 int i = 0; 328 329 while ((i < MAXCONS) && (cur_console != console[i])) 330 i++; 331 return i < MAXCONS ? i : 0; 332} 333 334int 335scopen(dev_t dev, int flag, int mode, struct proc *p) 336{ 337 struct tty *tp = scdevtotty(dev); 338 339 if (!tp) 340 return(ENXIO); 341 342 tp->t_oproc = scstart; 343 tp->t_param = scparam; 344 tp->t_dev = dev; 345 if (!(tp->t_state & TS_ISOPEN)) { 346 ttychars(tp); 347 tp->t_iflag = TTYDEF_IFLAG; 348 tp->t_oflag = TTYDEF_OFLAG; 349 tp->t_cflag = TTYDEF_CFLAG; 350 tp->t_lflag = TTYDEF_LFLAG; 351 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 352 scparam(tp, &tp->t_termios); 353 ttsetwater(tp); 354 } 355 else 356 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 357 return(EBUSY); 358 tp->t_state |= TS_CARR_ON; 359 tp->t_cflag |= CLOCAL; 360 if (!console[minor(dev)]) 361 console[minor(dev)] = alloc_scp(); 362 return((*linesw[tp->t_line].l_open)(dev, tp)); 363} 364 365int 366scclose(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 400int 401scread(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 410int 411scwrite(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 420void 421scintr(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 466int 467scparam(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 475int 476scioctl(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; 597set_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 load_palette(); 846 } 847 /* FALL THROUGH */ 848 849 case KD_TEXT1: /* switch to TEXT (known) mode */ 850 /* no restore fonts & palette */ 851 scp->status &= ~UNKNOWN_MODE; 852 if (crtc_vga && video_mode_ptr) 853 set_mode(scp); 854 clear_screen(scp); 855 return 0; 856 857 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 858 scp->status |= UNKNOWN_MODE; 859 return 0; 860 default: 861 return EINVAL; 862 } 863 /* NOT REACHED */ 864 865 case KDGETMODE: /* get current mode of this (virtual) console */ 866 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 867 return 0; 868 869 case KDSBORDER: /* set border color of this (virtual) console */ 870 if (!crtc_vga) 871 return ENXIO; 872 scp->border = *data; 873 if (scp == cur_console) 874 set_border(scp->border); 875 return 0; 876 877 case KDSKBSTATE: /* set keyboard state (locks) */ 878 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 879 scp->status &= ~LOCK_KEY_MASK; 880 scp->status |= *data; 881 if (scp == cur_console) 882 update_leds(scp->status); 883 return 0; 884 } 885 return EINVAL; 886 887 case KDGKBSTATE: /* get keyboard state (locks) */ 888 *data = scp->status & LOCK_KEY_MASK; 889 return 0; 890 891 case KDSETRAD: /* set keyboard repeat & delay rates */ 892 if (*data & 0x80) 893 return EINVAL; 894 i = spltty(); 895 kbd_cmd(KB_SETRAD); 896 kbd_cmd(*data); 897 splx(i); 898 return 0; 899 900 case KDSKBMODE: /* set keyboard mode */ 901 switch (*data) { 902 case K_RAW: /* switch to RAW scancode mode */ 903 scp->status |= KBD_RAW_MODE; 904 return 0; 905 906 case K_XLATE: /* switch to XLT ascii mode */ 907 if (scp == cur_console && scp->status == KBD_RAW_MODE) 908 shfts = ctls = alts = agrs = metas = 0; 909 scp->status &= ~KBD_RAW_MODE; 910 return 0; 911 default: 912 return EINVAL; 913 } 914 /* NOT REACHED */ 915 916 case KDGKBMODE: /* get keyboard mode */ 917 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 918 return 0; 919 920 case KDMKTONE: /* sound the bell */ 921 if (*(int*)data) 922 do_bell(scp, (*(int*)data)&0xffff, 923 (((*(int*)data)>>16)&0xffff)*hz/1000); 924 else 925 do_bell(scp, scp->bell_pitch, scp->bell_duration); 926 return 0; 927 928 case KIOCSOUND: /* make tone (*data) hz */ 929 if (scp == cur_console) { 930 if (*(int*)data) { 931 int pitch = TIMER_FREQ/(*(int*)data); 932 933 /* set command for counter 2, 2 byte write */ 934 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 935 return EBUSY; 936 937 /* set pitch */ 938 outb(TIMER_CNTR2, pitch); 939 outb(TIMER_CNTR2, (pitch>>8)); 940 941 /* enable counter 2 output to speaker */ 942 outb(IO_PPI, inb(IO_PPI) | 3); 943 } 944 else { 945 /* disable counter 2 output to speaker */ 946 outb(IO_PPI, inb(IO_PPI) & 0xFC); 947 release_timer2(); 948 } 949 } 950 return 0; 951 952 case KDGKBTYPE: /* get keyboard type */ 953 *data = 0; /* type not known (yet) */ 954 return 0; 955 956 case KDSETLED: /* set keyboard LED status */ 957 if (*data >= 0 && *data <= LED_MASK) { 958 scp->status &= ~LED_MASK; 959 scp->status |= *data; 960 if (scp == cur_console) 961 update_leds(scp->status); 962 return 0; 963 } 964 return EINVAL; 965 966 case KDGETLED: /* get keyboard LED status */ 967 *data = scp->status & LED_MASK; 968 return 0; 969 970 case GETFKEY: /* get functionkey string */ 971 if (*(u_short*)data < n_fkey_tab) { 972 fkeyarg_t *ptr = (fkeyarg_t*)data; 973 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 974 fkey_tab[ptr->keynum].len); 975 ptr->flen = fkey_tab[ptr->keynum].len; 976 return 0; 977 } 978 else 979 return EINVAL; 980 981 case SETFKEY: /* set functionkey string */ 982 if (*(u_short*)data < n_fkey_tab) { 983 fkeyarg_t *ptr = (fkeyarg_t*)data; 984 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 985 min(ptr->flen, MAXFK)); 986 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 987 return 0; 988 } 989 else 990 return EINVAL; 991 992 case GIO_SCRNMAP: /* get output translation table */ 993 bcopy(&scr_map, data, sizeof(scr_map)); 994 return 0; 995 996 case PIO_SCRNMAP: /* set output translation table */ 997 bcopy(data, &scr_map, sizeof(scr_map)); 998 return 0; 999 1000 case GIO_KEYMAP: /* get keyboard translation table */ 1001 bcopy(&key_map, data, sizeof(key_map)); 1002 return 0; 1003 1004 case PIO_KEYMAP: /* set keyboard translation table */ 1005 bcopy(data, &key_map, sizeof(key_map)); 1006 return 0; 1007 1008 case PIO_FONT8x8: /* set 8x8 dot font */ 1009 if (!crtc_vga) 1010 return ENXIO; 1011 bcopy(data, font_8, 8*256); 1012 fonts_loaded |= FONT_8; 1013 copy_font(LOAD, FONT_8, font_8); 1014 if (configuration & CHAR_CURSOR) 1015 set_destructive_cursor(scp, TRUE); 1016 return 0; 1017 1018 case GIO_FONT8x8: /* get 8x8 dot font */ 1019 if (!crtc_vga) 1020 return ENXIO; 1021 if (fonts_loaded & FONT_8) { 1022 bcopy(font_8, data, 8*256); 1023 return 0; 1024 } 1025 else 1026 return ENXIO; 1027 1028 case PIO_FONT8x14: /* set 8x14 dot font */ 1029 if (!crtc_vga) 1030 return ENXIO; 1031 bcopy(data, font_14, 14*256); 1032 fonts_loaded |= FONT_14; 1033 copy_font(LOAD, FONT_14, font_14); 1034 if (configuration & CHAR_CURSOR) 1035 set_destructive_cursor(scp, TRUE); 1036 return 0; 1037 1038 case GIO_FONT8x14: /* get 8x14 dot font */ 1039 if (!crtc_vga) 1040 return ENXIO; 1041 if (fonts_loaded & FONT_14) { 1042 bcopy(font_14, data, 14*256); 1043 return 0; 1044 } 1045 else 1046 return ENXIO; 1047 1048 case PIO_FONT8x16: /* set 8x16 dot font */ 1049 if (!crtc_vga) 1050 return ENXIO; 1051 bcopy(data, font_16, 16*256); 1052 fonts_loaded |= FONT_16; 1053 copy_font(LOAD, FONT_16, font_16); 1054 if (configuration & CHAR_CURSOR) 1055 set_destructive_cursor(scp, TRUE); 1056 return 0; 1057 1058 case GIO_FONT8x16: /* get 8x16 dot font */ 1059 if (!crtc_vga) 1060 return ENXIO; 1061 if (fonts_loaded & FONT_16) { 1062 bcopy(font_16, data, 16*256); 1063 return 0; 1064 } 1065 else 1066 return ENXIO; 1067 default: 1068 break; 1069 } 1070 1071 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1072 if (error >= 0) 1073 return(error); 1074 error = ttioctl(tp, cmd, data, flag); 1075 if (error >= 0) 1076 return(error); 1077 return(ENOTTY); 1078} 1079 1080void 1081scxint(dev_t dev) 1082{ 1083 struct tty *tp = scdevtotty(dev); 1084 1085 if (!tp) 1086 return; 1087 tp->t_state &= ~TS_BUSY; 1088 if (tp->t_line) 1089 (*linesw[tp->t_line].l_start)(tp); 1090 else 1091 scstart(tp); 1092} 1093 1094void 1095scstart(struct tty *tp) 1096{ 1097 struct clist *rbp; 1098 int i, s, len; 1099 u_char buf[PCBURST]; 1100 scr_stat *scp = get_scr_stat(tp->t_dev); 1101 1102 if (scp->status & SLKED || blink_in_progress) 1103 return; 1104 s = spltty(); 1105 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { 1106 tp->t_state |= TS_BUSY; 1107 splx(s); 1108 rbp = &tp->t_outq; 1109 while (rbp->c_cc) { 1110 len = q_to_b(rbp, buf, PCBURST); 1111 ansi_put(scp, buf, len); 1112 } 1113 s = spltty(); 1114 tp->t_state &= ~TS_BUSY; 1115 if (rbp->c_cc <= tp->t_lowat) { 1116 if (tp->t_state & TS_ASLEEP) { 1117 tp->t_state &= ~TS_ASLEEP; 1118 wakeup((caddr_t)rbp); 1119 } 1120 selwakeup(&tp->t_wsel); 1121 } 1122 } 1123 splx(s); 1124} 1125 1126void 1127pccnprobe(struct consdev *cp) 1128{ 1129 int maj; 1130 1131 /* locate the major number */ 1132 for (maj = 0; maj < nchrdev; maj++) 1133 if ((void*)cdevsw[maj].d_open == (void*)scopen) 1134 break; 1135 1136 /* initialize required fields */ 1137 cp->cn_dev = makedev(maj, MAXCONS); 1138 cp->cn_pri = CN_INTERNAL; 1139} 1140 1141void 1142pccninit(struct consdev *cp) 1143{ 1144 scinit(); 1145} 1146 1147void 1148pccnputc(dev_t dev, int c) 1149{ 1150 u_char buf[1]; 1151 scr_stat *scp = console[0]; 1152 term_stat save = scp->term; 1153 1154 scp->term = kernel_console; 1155 current_default = &kernel_default; 1156 if (scp->scr_buf == Crtat) 1157 draw_cursor(scp, FALSE); 1158 if (c == '\n') 1159 ansi_put(scp, "\r\n", 2); 1160 else { 1161 buf[0] = c; 1162 ansi_put(scp, buf, 1); 1163 } 1164 kernel_console = scp->term; 1165 current_default = &user_default; 1166 scp->term = save; 1167 if (scp == cur_console /* && scrn_timer not running */) { 1168 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1169 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1170 (1 + scp->end - scp->start) * sizeof(u_short)); 1171 scp->start = scp->xsize * scp->ysize; 1172 scp->end = 0; 1173 scp->status &= ~CURSOR_SHOWN; 1174 } 1175 draw_cursor(scp, TRUE); 1176 } 1177} 1178 1179int 1180pccngetc(dev_t dev) 1181{ 1182 int s = spltty(); /* block scintr while we poll */ 1183 int c = scgetc(0); 1184 splx(s); 1185 return(c); 1186} 1187 1188int 1189pccncheckc(dev_t dev) 1190{ 1191 return (scgetc(1) & 0xff); 1192} 1193 1194static void 1195scrn_timer() 1196{ 1197 static int cursor_blinkrate; 1198 scr_stat *scp = cur_console; 1199 1200 /* should we just return ? */ 1201 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1202 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1203 return; 1204 } 1205 1206 if (!scrn_blanked) { 1207 /* update screen image */ 1208 if (scp->start <= scp->end) { 1209 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1210 (1 + scp->end - scp->start) * sizeof(u_short)); 1211 scp->status &= ~CURSOR_SHOWN; 1212 scp->start = scp->xsize * scp->ysize; 1213 scp->end = 0; 1214 } 1215 /* update "pseudo" mouse arrow */ 1216 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE)) 1217 draw_mouse_image(scp); 1218 1219 /* update cursor image */ 1220 if (scp->status & CURSOR_ENABLED) 1221 draw_cursor(scp, 1222 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1223 } 1224 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1225 (*current_saver)(TRUE); 1226 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1227} 1228 1229static void 1230clear_screen(scr_stat *scp) 1231{ 1232 move_crsr(scp, 0, 0); 1233 fillw(scp->term.cur_attr | scr_map[0x20], scp->scr_buf, 1234 scp->xsize * scp->ysize); 1235 mark_all(scp); 1236} 1237 1238static int 1239switch_scr(scr_stat *scp, u_int next_scr) 1240{ 1241 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1242 switch_in_progress = FALSE; 1243 1244 if (next_scr >= MAXCONS || switch_in_progress || 1245 (cur_console->smode.mode == VT_AUTO 1246 && cur_console->status & UNKNOWN_MODE)) { 1247 do_bell(scp, BELL_PITCH, BELL_DURATION); 1248 return EINVAL; 1249 } 1250 1251 /* is the wanted virtual console open ? */ 1252 if (next_scr) { 1253 struct tty *tp = VIRTUAL_TTY(next_scr); 1254 if (!(tp->t_state & TS_ISOPEN)) { 1255 do_bell(scp, BELL_PITCH, BELL_DURATION); 1256 return EINVAL; 1257 } 1258 } 1259 /* delay switch if actively updating screen */ 1260 if (write_in_progress || blink_in_progress) { 1261 delayed_next_scr = next_scr+1; 1262 return 0; 1263 } 1264 switch_in_progress = TRUE; 1265 old_scp = cur_console; 1266 new_scp = console[next_scr]; 1267 wakeup((caddr_t)&new_scp->smode); 1268 if (new_scp == old_scp) { 1269 switch_in_progress = FALSE; 1270 delayed_next_scr = FALSE; 1271 return 0; 1272 } 1273 1274 /* has controlling process died? */ 1275 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1276 old_scp->smode.mode = VT_AUTO; 1277 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1278 new_scp->smode.mode = VT_AUTO; 1279 1280 /* check the modes and switch approbiatly */ 1281 if (old_scp->smode.mode == VT_PROCESS) { 1282 old_scp->status |= SWITCH_WAIT_REL; 1283 psignal(old_scp->proc, old_scp->smode.relsig); 1284 } 1285 else { 1286 exchange_scr(); 1287 if (new_scp->smode.mode == VT_PROCESS) { 1288 new_scp->status |= SWITCH_WAIT_ACQ; 1289 psignal(new_scp->proc, new_scp->smode.acqsig); 1290 } 1291 else 1292 switch_in_progress = FALSE; 1293 } 1294 return 0; 1295} 1296 1297static void 1298exchange_scr(void) 1299{ 1300 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1301 cur_console = new_scp; 1302 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1303 if (crtc_vga && video_mode_ptr) 1304 set_mode(new_scp); 1305 } 1306 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1307 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1308 if (fonts_loaded & FONT_8) 1309 copy_font(LOAD, FONT_8, font_8); 1310 if (fonts_loaded & FONT_14) 1311 copy_font(LOAD, FONT_14, font_14); 1312 if (fonts_loaded & FONT_16) 1313 copy_font(LOAD, FONT_16, font_16); 1314 load_palette(); 1315 } 1316 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1317 shfts = ctls = alts = agrs = metas = 0; 1318 update_leds(new_scp->status); 1319 delayed_next_scr = FALSE; 1320 bcopyw(new_scp->scr_buf, Crtat, 1321 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1322 new_scp->status &= ~CURSOR_SHOWN; 1323} 1324 1325static inline void 1326move_crsr(scr_stat *scp, int x, int y) 1327{ 1328 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1329 return; 1330 scp->xpos = x; 1331 scp->ypos = y; 1332 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1333 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 1334 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1335} 1336 1337static void 1338scan_esc(scr_stat *scp, u_char c) 1339{ 1340 static u_char ansi_col[16] = 1341 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1342 int i, n; 1343 u_short *src, *dst, count; 1344 1345 if (scp->term.esc == 1) { 1346 switch (c) { 1347 1348 case '[': /* Start ESC [ sequence */ 1349 scp->term.esc = 2; 1350 scp->term.last_param = -1; 1351 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1352 scp->term.param[i] = 1; 1353 scp->term.num_param = 0; 1354 return; 1355 1356 case 'M': /* Move cursor up 1 line, scroll if at top */ 1357 if (scp->ypos > 0) 1358 move_crsr(scp, scp->xpos, scp->ypos - 1); 1359 else { 1360 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1361 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1362 fillw(scp->term.cur_attr | scr_map[0x20], 1363 scp->scr_buf, scp->xsize); 1364 mark_all(scp); 1365 } 1366 break; 1367#if notyet 1368 case 'Q': 1369 scp->term.esc = 4; 1370 break; 1371#endif 1372 case 'c': /* Clear screen & home */ 1373 clear_screen(scp); 1374 break; 1375 } 1376 } 1377 else if (scp->term.esc == 2) { 1378 if (c >= '0' && c <= '9') { 1379 if (scp->term.num_param < MAX_ESC_PAR) { 1380 if (scp->term.last_param != scp->term.num_param) { 1381 scp->term.last_param = scp->term.num_param; 1382 scp->term.param[scp->term.num_param] = 0; 1383 } 1384 else 1385 scp->term.param[scp->term.num_param] *= 10; 1386 scp->term.param[scp->term.num_param] += c - '0'; 1387 return; 1388 } 1389 } 1390 scp->term.num_param = scp->term.last_param + 1; 1391 switch (c) { 1392 1393 case ';': 1394 if (scp->term.num_param < MAX_ESC_PAR) 1395 return; 1396 break; 1397 1398 case '=': 1399 scp->term.esc = 3; 1400 scp->term.last_param = -1; 1401 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1402 scp->term.param[i] = 1; 1403 scp->term.num_param = 0; 1404 return; 1405 1406 case 'A': /* up n rows */ 1407 n = scp->term.param[0]; if (n < 1) n = 1; 1408 move_crsr(scp, scp->xpos, scp->ypos - n); 1409 break; 1410 1411 case 'B': /* down n rows */ 1412 n = scp->term.param[0]; if (n < 1) n = 1; 1413 move_crsr(scp, scp->xpos, scp->ypos + n); 1414 break; 1415 1416 case 'C': /* right n columns */ 1417 n = scp->term.param[0]; if (n < 1) n = 1; 1418 move_crsr(scp, scp->xpos + n, scp->ypos); 1419 break; 1420 1421 case 'D': /* left n columns */ 1422 n = scp->term.param[0]; if (n < 1) n = 1; 1423 move_crsr(scp, scp->xpos - n, scp->ypos); 1424 break; 1425 1426 case 'E': /* cursor to start of line n lines down */ 1427 n = scp->term.param[0]; if (n < 1) n = 1; 1428 move_crsr(scp, 0, scp->ypos + n); 1429 break; 1430 1431 case 'F': /* cursor to start of line n lines up */ 1432 n = scp->term.param[0]; if (n < 1) n = 1; 1433 move_crsr(scp, 0, scp->ypos - n); 1434 break; 1435 1436 case 'f': /* Cursor move */ 1437 case 'H': 1438 if (scp->term.num_param == 0) 1439 move_crsr(scp, 0, 0); 1440 else if (scp->term.num_param == 2) 1441 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1442 break; 1443 1444 case 'J': /* Clear all or part of display */ 1445 if (scp->term.num_param == 0) 1446 n = 0; 1447 else 1448 n = scp->term.param[0]; 1449 switch (n) { 1450 case 0: /* clear form cursor to end of display */ 1451 fillw(scp->term.cur_attr | scr_map[0x20], 1452 scp->cursor_pos, 1453 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1454 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1455 mark_for_update(scp, scp->xsize * scp->ysize); 1456 break; 1457 case 1: /* clear from beginning of display to cursor */ 1458 fillw(scp->term.cur_attr | scr_map[0x20], 1459 scp->scr_buf, 1460 scp->cursor_pos - scp->scr_buf); 1461 mark_for_update(scp, 0); 1462 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1463 break; 1464 case 2: /* clear entire display */ 1465 clear_screen(scp); 1466 break; 1467 } 1468 break; 1469 1470 case 'K': /* Clear all or part of line */ 1471 if (scp->term.num_param == 0) 1472 n = 0; 1473 else 1474 n = scp->term.param[0]; 1475 switch (n) { 1476 case 0: /* clear form cursor to end of line */ 1477 fillw(scp->term.cur_attr | scr_map[0x20], 1478 scp->cursor_pos, 1479 scp->xsize - scp->xpos); 1480 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1481 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1482 scp->xsize - scp->xpos); 1483 break; 1484 case 1: /* clear from beginning of line to cursor */ 1485 fillw(scp->term.cur_attr|scr_map[0x20], 1486 scp->cursor_pos - (scp->xsize - scp->xpos), 1487 (scp->xsize - scp->xpos) + 1); 1488 mark_for_update(scp, scp->ypos * scp->xsize); 1489 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1490 break; 1491 case 2: /* clear entire line */ 1492 fillw(scp->term.cur_attr|scr_map[0x20], 1493 scp->cursor_pos - (scp->xsize - scp->xpos), 1494 scp->xsize); 1495 mark_for_update(scp, scp->ypos * scp->xsize); 1496 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1497 break; 1498 } 1499 break; 1500 1501 case 'L': /* Insert n lines */ 1502 n = scp->term.param[0]; if (n < 1) n = 1; 1503 if (n > scp->ysize - scp->ypos) 1504 n = scp->ysize - scp->ypos; 1505 src = scp->scr_buf + scp->ypos * scp->xsize; 1506 dst = src + n * scp->xsize; 1507 count = scp->ysize - (scp->ypos + n); 1508 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1509 fillw(scp->term.cur_attr | scr_map[0x20], src, 1510 n * scp->xsize); 1511 mark_for_update(scp, scp->ypos * scp->xsize); 1512 mark_for_update(scp, scp->xsize * scp->ysize); 1513 break; 1514 1515 case 'M': /* Delete n lines */ 1516 n = scp->term.param[0]; if (n < 1) n = 1; 1517 if (n > scp->ysize - scp->ypos) 1518 n = scp->ysize - scp->ypos; 1519 dst = scp->scr_buf + scp->ypos * scp->xsize; 1520 src = dst + n * scp->xsize; 1521 count = scp->ysize - (scp->ypos + n); 1522 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1523 src = dst + count * scp->xsize; 1524 fillw(scp->term.cur_attr | scr_map[0x20], src, 1525 n * scp->xsize); 1526 mark_for_update(scp, scp->ypos * scp->xsize); 1527 mark_for_update(scp, scp->xsize * scp->ysize); 1528 break; 1529 1530 case 'P': /* Delete n chars */ 1531 n = scp->term.param[0]; if (n < 1) n = 1; 1532 if (n > scp->xsize - scp->xpos) 1533 n = scp->xsize - scp->xpos; 1534 dst = scp->cursor_pos; 1535 src = dst + n; 1536 count = scp->xsize - (scp->xpos + n); 1537 bcopyw(src, dst, count * sizeof(u_short)); 1538 src = dst + count; 1539 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1540 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1541 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1542 break; 1543 1544 case '@': /* Insert n chars */ 1545 n = scp->term.param[0]; if (n < 1) n = 1; 1546 if (n > scp->xsize - scp->xpos) 1547 n = scp->xsize - scp->xpos; 1548 src = scp->cursor_pos; 1549 dst = src + n; 1550 count = scp->xsize - (scp->xpos + n); 1551 bcopyw(src, dst, count * sizeof(u_short)); 1552 fillw(scp->term.cur_attr | scr_map[0x20], src, n); 1553 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1554 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1555 break; 1556 1557 case 'S': /* scroll up n lines */ 1558 n = scp->term.param[0]; if (n < 1) n = 1; 1559 if (n > scp->ysize) 1560 n = scp->ysize; 1561 bcopyw(scp->scr_buf + (scp->xsize * n), 1562 scp->scr_buf, 1563 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1564 fillw(scp->term.cur_attr | scr_map[0x20], 1565 scp->scr_buf + scp->xsize * (scp->ysize - n), 1566 scp->xsize * n); 1567 mark_all(scp); 1568 break; 1569 1570 case 'T': /* scroll down n lines */ 1571 n = scp->term.param[0]; if (n < 1) n = 1; 1572 if (n > scp->ysize) 1573 n = scp->ysize; 1574 bcopyw(scp->scr_buf, 1575 scp->scr_buf + (scp->xsize * n), 1576 scp->xsize * (scp->ysize - n) * 1577 sizeof(u_short)); 1578 fillw(scp->term.cur_attr | scr_map[0x20], 1579 scp->scr_buf, scp->xsize * n); 1580 mark_all(scp); 1581 break; 1582 1583 case 'X': /* erase n characters in line */ 1584 n = scp->term.param[0]; if (n < 1) n = 1; 1585 if (n > scp->xsize - scp->xpos) 1586 n = scp->xsize - scp->xpos; 1587 fillw(scp->term.cur_attr | scr_map[0x20], 1588 scp->scr_buf + scp->xpos + 1589 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1590 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1591 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1592 break; 1593 1594 case 'Z': /* move n tabs backwards */ 1595 n = scp->term.param[0]; if (n < 1) n = 1; 1596 if ((i = scp->xpos & 0xf8) == scp->xpos) 1597 i -= 8*n; 1598 else 1599 i -= 8*(n-1); 1600 if (i < 0) 1601 i = 0; 1602 move_crsr(scp, i, scp->ypos); 1603 break; 1604 1605 case '`': /* move cursor to column n */ 1606 n = scp->term.param[0]; if (n < 1) n = 1; 1607 move_crsr(scp, n - 1, scp->ypos); 1608 break; 1609 1610 case 'a': /* move cursor n columns to the right */ 1611 n = scp->term.param[0]; if (n < 1) n = 1; 1612 move_crsr(scp, scp->xpos + n, scp->ypos); 1613 break; 1614 1615 case 'd': /* move cursor to row n */ 1616 n = scp->term.param[0]; if (n < 1) n = 1; 1617 move_crsr(scp, scp->xpos, n - 1); 1618 break; 1619 1620 case 'e': /* move cursor n rows down */ 1621 n = scp->term.param[0]; if (n < 1) n = 1; 1622 move_crsr(scp, scp->xpos, scp->ypos + n); 1623 break; 1624 1625 case 'm': /* change attribute */ 1626 if (scp->term.num_param == 0) { 1627 scp->term.cur_attr = scp->term.std_attr; 1628 break; 1629 } 1630 for (i = 0; i < scp->term.num_param; i++) { 1631 switch (n = scp->term.param[i]) { 1632 case 0: /* back to normal */ 1633 scp->term.cur_attr = scp->term.std_attr; 1634 break; 1635 case 1: /* highlight (bold) */ 1636 scp->term.cur_attr &= 0xFF00; 1637 scp->term.cur_attr |= 0x0800; 1638 break; 1639 case 4: /* highlight (underline) */ 1640 scp->term.cur_attr &= 0xFF00; 1641 scp->term.cur_attr |= 0x0800; 1642 break; 1643 case 5: /* blink */ 1644 scp->term.cur_attr &= 0xFF00; 1645 scp->term.cur_attr |= 0x8000; 1646 break; 1647 case 7: /* reverse video */ 1648 scp->term.cur_attr = scp->term.rev_attr; 1649 break; 1650 case 30: case 31: /* set fg color */ 1651 case 32: case 33: case 34: 1652 case 35: case 36: case 37: 1653 scp->term.cur_attr = 1654 (scp->term.cur_attr&0xF8FF) | (ansi_col[(n-30)&7]<<8); 1655 break; 1656 case 40: case 41: /* set bg color */ 1657 case 42: case 43: case 44: 1658 case 45: case 46: case 47: 1659 scp->term.cur_attr = 1660 (scp->term.cur_attr&0x8FFF) | (ansi_col[(n-40)&7]<<12); 1661 break; 1662 } 1663 } 1664 break; 1665 1666 case 'x': 1667 if (scp->term.num_param == 0) 1668 n = 0; 1669 else 1670 n = scp->term.param[0]; 1671 switch (n) { 1672 case 0: /* reset attributes */ 1673 scp->term.cur_attr = scp->term.std_attr = 1674 current_default->std_attr; 1675 scp->term.rev_attr = current_default->rev_attr; 1676 break; 1677 case 1: /* set ansi background */ 1678 scp->term.cur_attr = scp->term.std_attr = 1679 (scp->term.std_attr & 0x0F00) | 1680 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1681 break; 1682 case 2: /* set ansi foreground */ 1683 scp->term.cur_attr = scp->term.std_attr = 1684 (scp->term.std_attr & 0xF000) | 1685 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1686 break; 1687 case 3: /* set ansi attribute directly */ 1688 scp->term.cur_attr = scp->term.std_attr = 1689 (scp->term.param[1]&0xFF)<<8; 1690 break; 1691 case 5: /* set ansi reverse video background */ 1692 scp->term.rev_attr = 1693 (scp->term.rev_attr & 0x0F00) | 1694 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1695 break; 1696 case 6: /* set ansi reverse video foreground */ 1697 scp->term.rev_attr = 1698 (scp->term.rev_attr & 0xF000) | 1699 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1700 break; 1701 case 7: /* set ansi reverse video directly */ 1702 scp->term.rev_attr = 1703 (scp->term.param[1]&0xFF)<<8; 1704 break; 1705 } 1706 break; 1707 1708 case 'z': /* switch to (virtual) console n */ 1709 if (scp->term.num_param == 1) 1710 switch_scr(scp, scp->term.param[0]); 1711 break; 1712 } 1713 } 1714 else if (scp->term.esc == 3) { 1715 if (c >= '0' && c <= '9') { 1716 if (scp->term.num_param < MAX_ESC_PAR) { 1717 if (scp->term.last_param != scp->term.num_param) { 1718 scp->term.last_param = scp->term.num_param; 1719 scp->term.param[scp->term.num_param] = 0; 1720 } 1721 else 1722 scp->term.param[scp->term.num_param] *= 10; 1723 scp->term.param[scp->term.num_param] += c - '0'; 1724 return; 1725 } 1726 } 1727 scp->term.num_param = scp->term.last_param + 1; 1728 switch (c) { 1729 1730 case ';': 1731 if (scp->term.num_param < MAX_ESC_PAR) 1732 return; 1733 break; 1734 1735 case 'A': /* set display border color */ 1736 if (scp->term.num_param == 1) 1737 scp->border=scp->term.param[0] & 0xff; 1738 if (scp == cur_console) 1739 set_border(scp->border); 1740 break; 1741 1742 case 'B': /* set bell pitch and duration */ 1743 if (scp->term.num_param == 2) { 1744 scp->bell_pitch = scp->term.param[0]; 1745 scp->bell_duration = scp->term.param[1]*10; 1746 } 1747 break; 1748 1749 case 'C': /* set cursor type & shape */ 1750 if (scp->term.num_param == 1) { 1751 if (scp->term.param[0] & 0x01) 1752 configuration |= BLINK_CURSOR; 1753 else 1754 configuration &= ~BLINK_CURSOR; 1755 if (scp->term.param[0] & 0x02) { 1756 configuration |= CHAR_CURSOR; 1757 set_destructive_cursor(scp, TRUE); 1758 } else 1759 configuration &= ~CHAR_CURSOR; 1760 } 1761 else if (scp->term.num_param == 2) { 1762 scp->cursor_start = scp->term.param[0] & 0x1F; 1763 scp->cursor_end = scp->term.param[1] & 0x1F; 1764 if (configuration & CHAR_CURSOR) 1765 set_destructive_cursor(scp, TRUE); 1766 } 1767 break; 1768 1769 case 'F': /* set ansi foreground */ 1770 if (scp->term.num_param == 1) 1771 scp->term.cur_attr = scp->term.std_attr = 1772 (scp->term.std_attr & 0xF000) 1773 | ((scp->term.param[0] & 0x0F) << 8); 1774 break; 1775 1776 case 'G': /* set ansi background */ 1777 if (scp->term.num_param == 1) 1778 scp->term.cur_attr = scp->term.std_attr = 1779 (scp->term.std_attr & 0x0F00) 1780 | ((scp->term.param[0] & 0x0F) << 12); 1781 break; 1782 1783 case 'H': /* set ansi reverse video foreground */ 1784 if (scp->term.num_param == 1) 1785 scp->term.rev_attr = 1786 (scp->term.rev_attr & 0xF000) 1787 | ((scp->term.param[0] & 0x0F) << 8); 1788 break; 1789 1790 case 'I': /* set ansi reverse video background */ 1791 if (scp->term.num_param == 1) 1792 scp->term.rev_attr = 1793 (scp->term.rev_attr & 0x0F00) 1794 | ((scp->term.param[0] & 0x0F) << 12); 1795 break; 1796 } 1797 } 1798 scp->term.esc = 0; 1799} 1800 1801static inline void 1802draw_cursor(scr_stat *scp, int show) 1803{ 1804 if (show && !(scp->status & CURSOR_SHOWN)) { 1805 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 1806 1807 scp->cursor_saveunder = cursor_image; 1808 if (configuration & CHAR_CURSOR) { 1809 set_destructive_cursor(scp, FALSE); 1810 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 1811 } 1812 else { 1813 if ((cursor_image & 0x7000) == 0x7000) { 1814 cursor_image &= 0x8fff; 1815 if(!(cursor_image & 0x0700)) 1816 cursor_image |= 0x0700; 1817 } else { 1818 cursor_image |= 0x7000; 1819 if ((cursor_image & 0x0700) == 0x0700) 1820 cursor_image &= 0xf0ff; 1821 } 1822 } 1823 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 1824 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1825 scp->status |= CURSOR_SHOWN; 1826 } 1827 if (!show && (scp->status & CURSOR_SHOWN)) { 1828 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 1829 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1830 scp->status &= ~CURSOR_SHOWN; 1831 } 1832} 1833 1834static void 1835ansi_put(scr_stat *scp, u_char *buf, int len) 1836{ 1837 u_char *ptr = buf; 1838 1839 if (scp->status & UNKNOWN_MODE) 1840 return; 1841 1842 /* make screensaver happy */ 1843 if (scp == cur_console) { 1844 scrn_time_stamp = time.tv_sec; 1845 if (scrn_blanked) { 1846 (*current_saver)(FALSE); 1847 cur_console->start = 0; 1848 cur_console->end = cur_console->xsize * cur_console->ysize; 1849 } 1850 } 1851 write_in_progress++; 1852outloop: 1853 if (scp->term.esc) { 1854 scan_esc(scp, *ptr++); 1855 len--; 1856 } 1857 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1858 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1859 u_short cur_attr = scp->term.cur_attr; 1860 u_short *cursor_pos = scp->cursor_pos; 1861 do { 1862 *cursor_pos++ = (scr_map[*ptr++] | cur_attr); 1863 cnt--; 1864 } while (cnt && PRINTABLE(*ptr)); 1865 len -= (cursor_pos - scp->cursor_pos); 1866 scp->xpos += (cursor_pos - scp->cursor_pos); 1867 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1868 mark_for_update(scp, cursor_pos - scp->scr_buf); 1869 scp->cursor_pos = cursor_pos; 1870 if (scp->xpos >= scp->xsize) { 1871 scp->xpos = 0; 1872 scp->ypos++; 1873 } 1874 } 1875 else { 1876 switch(*ptr) { 1877 case 0x07: 1878 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1879 break; 1880 1881 case 0x08: /* non-destructive backspace */ 1882 if (scp->cursor_pos > scp->scr_buf) { 1883 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1884 scp->cursor_pos--; 1885 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1886 if (scp->xpos > 0) 1887 scp->xpos--; 1888 else { 1889 scp->xpos += scp->xsize - 1; 1890 scp->ypos--; 1891 } 1892 } 1893 break; 1894 1895 case 0x09: /* non-destructive tab */ 1896 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1897 scp->cursor_pos += (8 - scp->xpos % 8u); 1898 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1899 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 1900 scp->xpos = 0; 1901 scp->ypos++; 1902 } 1903 break; 1904 1905 case 0x0a: /* newline, same pos */ 1906 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1907 scp->cursor_pos += scp->xsize; 1908 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1909 scp->ypos++; 1910 break; 1911 1912 case 0x0c: /* form feed, clears screen */ 1913 clear_screen(scp); 1914 break; 1915 1916 case 0x0d: /* return, return to pos 0 */ 1917 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1918 scp->cursor_pos -= scp->xpos; 1919 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1920 scp->xpos = 0; 1921 break; 1922 1923 case 0x1b: /* start escape sequence */ 1924 scp->term.esc = 1; 1925 scp->term.num_param = 0; 1926 break; 1927 } 1928 ptr++; len--; 1929 } 1930 /* do we have to scroll ?? */ 1931 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 1932 if (scp->history) { 1933 bcopyw(scp->scr_buf, scp->history_head, 1934 scp->xsize * sizeof(u_short)); 1935 scp->history_head += scp->xsize; 1936 if (scp->history_head + scp->xsize > 1937 scp->history + scp->history_size) 1938 scp->history_head = scp->history; 1939 } 1940 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 1941 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 1942 fillw(scp->term.cur_attr | scr_map[0x20], 1943 scp->scr_buf + scp->xsize * (scp->ysize - 1), 1944 scp->xsize); 1945 scp->cursor_pos -= scp->xsize; 1946 scp->ypos--; 1947 mark_all(scp); 1948 } 1949 if (len) 1950 goto outloop; 1951 write_in_progress--; 1952 if (delayed_next_scr) 1953 switch_scr(scp, delayed_next_scr - 1); 1954} 1955 1956static void 1957scinit(void) 1958{ 1959 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1960 unsigned hw_cursor; 1961 int i; 1962 1963 if (init_done) 1964 return; 1965 init_done = TRUE; 1966 /* 1967 * Crtat initialized to point to MONO buffer, if not present change 1968 * to CGA_BUF offset. ONLY add the difference since locore.s adds 1969 * in the remapped offset at the "right" time 1970 */ 1971 was = *cp; 1972 *cp = (u_short) 0xA55A; 1973 if (*cp != 0xA55A) 1974 crtc_addr = MONO_BASE; 1975 else { 1976 *cp = was; 1977 crtc_addr = COLOR_BASE; 1978 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1979 } 1980 1981 /* extract cursor location */ 1982 outb(crtc_addr, 14); 1983 hw_cursor = inb(crtc_addr + 1) << 8; 1984 outb(crtc_addr, 15); 1985 hw_cursor |= inb(crtc_addr + 1); 1986 1987 /* move hardware cursor out of the way */ 1988 outb(crtc_addr, 14); 1989 outb(crtc_addr + 1, 0xff); 1990 outb(crtc_addr, 15); 1991 outb(crtc_addr + 1, 0xff); 1992 1993 /* is this a VGA or higher ? */ 1994 outb(crtc_addr, 7); 1995 if (inb(crtc_addr) == 7) { 1996 u_long pa; 1997 u_long segoff; 1998 1999 crtc_vga = TRUE; 2000 /* 2001 * Get the BIOS video mode pointer. 2002 */ 2003 segoff = *(u_long *)pa_to_va(0x4a8); 2004 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2005 if (ISMAPPED(pa, sizeof(u_long))) { 2006 segoff = *(u_long *)pa_to_va(pa); 2007 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2008 if (ISMAPPED(pa, 64)) 2009 video_mode_ptr = (char *)pa_to_va(pa); 2010 } 2011 } 2012 current_default = &user_default; 2013 console[0] = &main_console; 2014 init_scp(console[0]); 2015 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2016 console[0]->cursor_pos = Crtat + hw_cursor; 2017 console[0]->xpos = hw_cursor % COL; 2018 console[0]->ypos = hw_cursor / COL; 2019 cur_console = console[0]; 2020 for (i=1; i<MAXCONS; i++) 2021 console[i] = NULL; 2022 kernel_console.esc = 0; 2023 kernel_console.std_attr = kernel_default.std_attr; 2024 kernel_console.rev_attr = kernel_default.rev_attr; 2025 kernel_console.cur_attr = kernel_default.std_attr; 2026 /* initialize mapscrn array to a one to one map */ 2027 for (i=0; i<sizeof(scr_map); i++) 2028 scr_map[i] = i; 2029} 2030 2031static scr_stat 2032*alloc_scp() 2033{ 2034 scr_stat *scp; 2035 2036 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_NOWAIT); 2037 init_scp(scp); 2038 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 2039 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2040 M_DEVBUF, M_NOWAIT); 2041 scp->history_head = scp->history_pos = scp->history = 2042 (u_short *)malloc(scp->history_size*sizeof(u_short), 2043 M_DEVBUF, M_NOWAIT); 2044 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2045 if (crtc_vga && video_mode_ptr) 2046 set_mode(scp); 2047 clear_screen(scp); 2048 return scp; 2049} 2050 2051static void 2052init_scp(scr_stat *scp) 2053{ 2054 scp->mode = M_VGA_C80x25; 2055 scp->font = FONT_16; 2056 scp->xsize = COL; 2057 scp->ysize = ROW; 2058 scp->start = COL * ROW; 2059 scp->end = 0; 2060 scp->term.esc = 0; 2061 scp->term.std_attr = current_default->std_attr; 2062 scp->term.rev_attr = current_default->rev_attr; 2063 scp->term.cur_attr = scp->term.std_attr; 2064 scp->border = BG_BLACK; 2065 scp->cursor_start = *(char *)pa_to_va(0x461); 2066 scp->cursor_end = *(char *)pa_to_va(0x460); 2067 scp->mouse_xpos = scp->mouse_ypos = 0; 2068 scp->bell_pitch = BELL_PITCH; 2069 scp->bell_duration = BELL_DURATION; 2070 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2071 scp->status |= CURSOR_ENABLED; 2072 scp->pid = 0; 2073 scp->proc = NULL; 2074 scp->smode.mode = VT_AUTO; 2075 scp->history_head = scp->history_pos = scp->history = NULL; 2076 scp->history_size = HISTORY_SIZE; 2077} 2078 2079static u_char 2080*get_fstr(u_int c, u_int *len) 2081{ 2082 u_int i; 2083 2084 if (!(c & FKEY)) 2085 return(NULL); 2086 i = (c & 0xFF) - F_FN; 2087 if (i > n_fkey_tab) 2088 return(NULL); 2089 *len = fkey_tab[i].len; 2090 return(fkey_tab[i].str); 2091} 2092 2093static void 2094update_leds(int which) 2095{ 2096 int s; 2097 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2098 2099 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2100 if (key_map.n_keys > ALTGR_OFFSET) { 2101 if (which & ALKED) 2102 which |= CLKED; 2103 else 2104 which &= ~CLKED; 2105 } 2106 s = spltty(); 2107 kbd_cmd(KB_SETLEDS); 2108 kbd_cmd(xlate_leds[which & LED_MASK]); 2109 splx(s); 2110} 2111 2112static void 2113history_to_screen(scr_stat *scp) 2114{ 2115 int i; 2116 2117 for (i=0; i<scp->ysize; i++) 2118 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2119 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2120 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2121 scp->xsize * sizeof(u_short)); 2122 mark_all(scp); 2123} 2124 2125static int 2126history_up_line(scr_stat *scp) 2127{ 2128 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2129 scp->history_head) { 2130 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2131 history_to_screen(scp); 2132 return 0; 2133 } 2134 else 2135 return -1; 2136} 2137 2138static int 2139history_down_line(scr_stat *scp) 2140{ 2141 if (scp->history_pos != scp->history_head) { 2142 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2143 history_to_screen(scp); 2144 return 0; 2145 } 2146 else 2147 return -1; 2148} 2149 2150/* 2151 * scgetc(noblock) - get character from keyboard. 2152 * If noblock = 0 wait until a key is pressed. 2153 * Else return NOKEY. 2154 */ 2155u_int 2156scgetc(int noblock) 2157{ 2158 u_char scancode, keycode; 2159 u_int state, action; 2160 struct key_t *key; 2161 static u_char esc_flag = 0, compose = 0; 2162 static u_int chr = 0; 2163 2164next_code: 2165 kbd_wait(); 2166 /* First see if there is something in the keyboard port */ 2167 if (inb(KB_STAT) & KB_BUF_FULL) 2168 scancode = inb(KB_DATA); 2169 else if (noblock) 2170 return(NOKEY); 2171 else 2172 goto next_code; 2173 2174 if (cur_console->status & KBD_RAW_MODE) 2175 return scancode; 2176#if ASYNCH 2177 if (scancode == KB_ACK || scancode == KB_RESEND) { 2178 kbd_reply = scancode; 2179 if (noblock) 2180 return(NOKEY); 2181 goto next_code; 2182 } 2183#endif 2184 keycode = scancode & 0x7F; 2185 switch (esc_flag) { 2186 case 0x00: /* normal scancode */ 2187 switch(scancode) { 2188 case 0xB8: /* left alt (compose key) */ 2189 if (compose) { 2190 compose = 0; 2191 if (chr > 255) { 2192 do_bell(cur_console, 2193 BELL_PITCH, BELL_DURATION); 2194 chr = 0; 2195 } 2196 } 2197 break; 2198 case 0x38: 2199 if (!compose) { 2200 compose = 1; 2201 chr = 0; 2202 } 2203 break; 2204 case 0xE0: 2205 case 0xE1: 2206 esc_flag = scancode; 2207 goto next_code; 2208 } 2209 break; 2210 case 0xE0: /* 0xE0 prefix */ 2211 esc_flag = 0; 2212 switch (keycode) { 2213 case 0x1C: /* right enter key */ 2214 keycode = 0x59; 2215 break; 2216 case 0x1D: /* right ctrl key */ 2217 keycode = 0x5A; 2218 break; 2219 case 0x35: /* keypad divide key */ 2220 keycode = 0x5B; 2221 break; 2222 case 0x37: /* print scrn key */ 2223 keycode = 0x5C; 2224 break; 2225 case 0x38: /* right alt key (alt gr) */ 2226 keycode = 0x5D; 2227 break; 2228 case 0x47: /* grey home key */ 2229 keycode = 0x5E; 2230 break; 2231 case 0x48: /* grey up arrow key */ 2232 keycode = 0x5F; 2233 break; 2234 case 0x49: /* grey page up key */ 2235 keycode = 0x60; 2236 break; 2237 case 0x4B: /* grey left arrow key */ 2238 keycode = 0x61; 2239 break; 2240 case 0x4D: /* grey right arrow key */ 2241 keycode = 0x62; 2242 break; 2243 case 0x4F: /* grey end key */ 2244 keycode = 0x63; 2245 break; 2246 case 0x50: /* grey down arrow key */ 2247 keycode = 0x64; 2248 break; 2249 case 0x51: /* grey page down key */ 2250 keycode = 0x65; 2251 break; 2252 case 0x52: /* grey insert key */ 2253 keycode = 0x66; 2254 break; 2255 case 0x53: /* grey delete key */ 2256 keycode = 0x67; 2257 break; 2258 2259 /* the following 3 are only used on the MS "Natural" keyboard */ 2260 case 0x5b: /* left Window key */ 2261 keycode = 0x69; 2262 break; 2263 case 0x5c: /* right Window key */ 2264 keycode = 0x6a; 2265 break; 2266 case 0x5d: /* menu key */ 2267 keycode = 0x6b; 2268 break; 2269 default: /* ignore everything else */ 2270 goto next_code; 2271 } 2272 break; 2273 case 0xE1: /* 0xE1 prefix */ 2274 esc_flag = 0; 2275 if (keycode == 0x1D) 2276 esc_flag = 0x1D; 2277 goto next_code; 2278 /* NOT REACHED */ 2279 case 0x1D: /* pause / break */ 2280 esc_flag = 0; 2281 if (keycode != 0x45) 2282 goto next_code; 2283 keycode = 0x68; 2284 break; 2285 } 2286 2287 /* if scroll-lock pressed allow history browsing */ 2288 if (cur_console->history && cur_console->status & SLKED) { 2289 int i; 2290 2291 cur_console->status &= ~CURSOR_ENABLED; 2292 if (!(cur_console->status & BUFFER_SAVED)) { 2293 cur_console->status |= BUFFER_SAVED; 2294 cur_console->history_save = cur_console->history_head; 2295 2296 /* copy screen into top of history buffer */ 2297 for (i=0; i<cur_console->ysize; i++) { 2298 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2299 cur_console->history_head, 2300 cur_console->xsize * sizeof(u_short)); 2301 cur_console->history_head += cur_console->xsize; 2302 if (cur_console->history_head + cur_console->xsize > 2303 cur_console->history + cur_console->history_size) 2304 cur_console->history_head=cur_console->history; 2305 } 2306 cur_console->history_pos = cur_console->history_head; 2307 history_to_screen(cur_console); 2308 } 2309 switch (scancode) { 2310 case 0x47: /* home key */ 2311 cur_console->history_pos = cur_console->history_head; 2312 history_to_screen(cur_console); 2313 goto next_code; 2314 2315 case 0x4F: /* end key */ 2316 cur_console->history_pos = 2317 WRAPHIST(cur_console, cur_console->history_head, 2318 cur_console->xsize*cur_console->ysize); 2319 history_to_screen(cur_console); 2320 goto next_code; 2321 2322 case 0x48: /* up arrow key */ 2323 if (history_up_line(cur_console)) 2324 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2325 goto next_code; 2326 2327 case 0x50: /* down arrow key */ 2328 if (history_down_line(cur_console)) 2329 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2330 goto next_code; 2331 2332 case 0x49: /* page up key */ 2333 for (i=0; i<cur_console->ysize; i++) 2334 if (history_up_line(cur_console)) { 2335 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2336 break; 2337 } 2338 goto next_code; 2339 2340 case 0x51: /* page down key */ 2341 for (i=0; i<cur_console->ysize; i++) 2342 if (history_down_line(cur_console)) { 2343 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2344 break; 2345 } 2346 goto next_code; 2347 } 2348 } 2349 2350 if (compose) { 2351 switch (scancode) { 2352 /* key pressed process it */ 2353 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2354 chr = (scancode - 0x40) + chr*10; 2355 goto next_code; 2356 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2357 chr = (scancode - 0x47) + chr*10; 2358 goto next_code; 2359 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2360 chr = (scancode - 0x4E) + chr*10; 2361 goto next_code; 2362 case 0x52: /* keypad 0 */ 2363 chr *= 10; 2364 goto next_code; 2365 2366 /* key release, no interest here */ 2367 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2368 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2369 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2370 case 0xD2: /* keypad 0 */ 2371 goto next_code; 2372 2373 case 0x38: /* left alt key */ 2374 break; 2375 default: 2376 if (chr) { 2377 compose = chr = 0; 2378 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2379 goto next_code; 2380 } 2381 break; 2382 } 2383 } 2384 2385 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2386 if ((!agrs && (cur_console->status & ALKED)) 2387 || (agrs && !(cur_console->status & ALKED))) 2388 keycode += ALTGR_OFFSET; 2389 key = &key_map.key[keycode]; 2390 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2391 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2392 state ^= 1; 2393 2394 /* Check for make/break */ 2395 action = key->map[state]; 2396 if (scancode & 0x80) { /* key released */ 2397 if (key->spcl & 0x80) { 2398 switch (action) { 2399 case LSH: 2400 shfts &= ~1; 2401 break; 2402 case RSH: 2403 shfts &= ~2; 2404 break; 2405 case LCTR: 2406 ctls &= ~1; 2407 break; 2408 case RCTR: 2409 ctls &= ~2; 2410 break; 2411 case LALT: 2412 alts &= ~1; 2413 break; 2414 case RALT: 2415 alts &= ~2; 2416 break; 2417 case NLK: 2418 nlkcnt = 0; 2419 break; 2420 case CLK: 2421 clkcnt = 0; 2422 break; 2423 case SLK: 2424 slkcnt = 0; 2425 break; 2426 case ASH: 2427 agrs = 0; 2428 break; 2429 case ALK: 2430 alkcnt = 0; 2431 break; 2432 case META: 2433 metas = 0; 2434 break; 2435 } 2436 } 2437 if (chr && !compose) { 2438 action = chr; 2439 chr = 0; 2440 return(action); 2441 } 2442 } else { 2443 /* key pressed */ 2444 if (key->spcl & (0x80>>state)) { 2445 switch (action) { 2446 /* LOCKING KEYS */ 2447 case NLK: 2448 if (!nlkcnt) { 2449 nlkcnt++; 2450 if (cur_console->status & NLKED) 2451 cur_console->status &= ~NLKED; 2452 else 2453 cur_console->status |= NLKED; 2454 update_leds(cur_console->status); 2455 } 2456 break; 2457 case CLK: 2458 if (!clkcnt) { 2459 clkcnt++; 2460 if (cur_console->status & CLKED) 2461 cur_console->status &= ~CLKED; 2462 else 2463 cur_console->status |= CLKED; 2464 update_leds(cur_console->status); 2465 } 2466 break; 2467 case SLK: 2468 if (!slkcnt) { 2469 slkcnt++; 2470 if (cur_console->status & SLKED) { 2471 cur_console->status &= ~SLKED; 2472 if (cur_console->status & BUFFER_SAVED){ 2473 int i; 2474 u_short *ptr = cur_console->history_save; 2475 2476 for (i=0; i<cur_console->ysize; i++) { 2477 bcopyw(ptr, 2478 cur_console->scr_buf + 2479 (cur_console->xsize*i), 2480 cur_console->xsize * sizeof(u_short)); 2481 ptr += cur_console->xsize; 2482 if (ptr + cur_console->xsize > 2483 cur_console->history + 2484 cur_console->history_size) 2485 ptr = cur_console->history; 2486 } 2487 cur_console->status &= ~BUFFER_SAVED; 2488 cur_console->history_head=cur_console->history_save; 2489 cur_console->status |= CURSOR_ENABLED; 2490 } 2491 scstart(VIRTUAL_TTY(get_scr_num())); 2492 } 2493 else 2494 cur_console->status |= SLKED; 2495 update_leds(cur_console->status); 2496 } 2497 break; 2498 case ALK: 2499 if (!alkcnt) { 2500 alkcnt++; 2501 if (cur_console->status & ALKED) 2502 cur_console->status &= ~ALKED; 2503 else 2504 cur_console->status |= ALKED; 2505 update_leds(cur_console->status); 2506 } 2507 break; 2508 2509 /* NON-LOCKING KEYS */ 2510 case NOP: 2511 break; 2512 case RBT: 2513 shutdown_nice(); 2514 break; 2515 case SUSP: 2516#if NAPM > 0 2517 apm_suspend(); 2518#endif 2519 break; 2520 2521 case DBG: 2522#ifdef DDB /* try to switch to console 0 */ 2523 if (cur_console->smode.mode == VT_AUTO && 2524 console[0]->smode.mode == VT_AUTO) 2525 switch_scr(cur_console, 0); 2526 Debugger("manual escape to debugger"); 2527 return(NOKEY); 2528#else 2529 printf("No debugger in kernel\n"); 2530#endif 2531 break; 2532 case LSH: 2533 shfts |= 1; 2534 break; 2535 case RSH: 2536 shfts |= 2; 2537 break; 2538 case LCTR: 2539 ctls |= 1; 2540 break; 2541 case RCTR: 2542 ctls |= 2; 2543 break; 2544 case LALT: 2545 alts |= 1; 2546 break; 2547 case RALT: 2548 alts |= 2; 2549 break; 2550 case ASH: 2551 agrs = 1; 2552 break; 2553 case META: 2554 metas = 1; 2555 break; 2556 case NEXT: 2557 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2558 break; 2559 case BTAB: 2560 return(BKEY); 2561 default: 2562 if (action >= F_SCR && action <= L_SCR) { 2563 switch_scr(cur_console, action - F_SCR); 2564 break; 2565 } 2566 if (action >= F_FN && action <= L_FN) 2567 action |= FKEY; 2568 return(action); 2569 } 2570 } 2571 else { 2572 if (metas) 2573 action |= MKEY; 2574 return(action); 2575 } 2576 } 2577 goto next_code; 2578} 2579 2580int 2581scmmap(dev_t dev, int offset, int nprot) 2582{ 2583 if (offset > 0x20000 - PAGE_SIZE) 2584 return -1; 2585 return i386_btop((VIDEOMEM + offset)); 2586} 2587 2588static void 2589kbd_wait(void) 2590{ 2591 int i = 1000; 2592 2593 while (i--) { 2594 if ((inb(KB_STAT) & KB_READY) == 0) 2595 break; 2596 DELAY (10); 2597 } 2598} 2599 2600static void 2601kbd_cmd(u_char command) 2602{ 2603 int retry = 5; 2604 do { 2605 int i = 100000; 2606 2607 kbd_wait(); 2608#if ASYNCH 2609 kbd_reply = 0; 2610 outb(KB_DATA, command); 2611 while (i--) { 2612 if (kbd_reply == KB_ACK) 2613 return; 2614 if (kbd_reply == KB_RESEND) 2615 break; 2616 } 2617#else 2618 outb(KB_DATA, command); 2619 while (i--) { 2620 if (inb(KB_STAT) & KB_BUF_FULL) { 2621 int val; 2622 DELAY(10); 2623 val = inb(KB_DATA); 2624 if (val == KB_ACK) 2625 return; 2626 if (val == KB_RESEND) 2627 break; 2628 } 2629 } 2630#endif 2631 } while (retry--); 2632} 2633 2634static void 2635set_mode(scr_stat *scp) 2636{ 2637 char *modetable; 2638 char special_modetable[64]; 2639 int mode, font_size; 2640 2641 if (scp != cur_console) 2642 return; 2643 2644 /* setup video hardware for the given mode */ 2645 switch (scp->mode) { 2646 case M_VGA_M80x60: 2647 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2648 goto special_80x60; 2649 2650 case M_VGA_C80x60: 2651 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2652special_80x60: 2653 special_modetable[2] = 0x08; 2654 special_modetable[19] = 0x47; 2655 goto special_480l; 2656 2657 case M_VGA_M80x30: 2658 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2659 goto special_80x30; 2660 2661 case M_VGA_C80x30: 2662 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2663special_80x30: 2664 special_modetable[19] = 0x4f; 2665special_480l: 2666 special_modetable[9] |= 0xc0; 2667 special_modetable[16] = 0x08; 2668 special_modetable[17] = 0x3e; 2669 special_modetable[26] = 0xea; 2670 special_modetable[28] = 0xdf; 2671 special_modetable[31] = 0xe7; 2672 special_modetable[32] = 0x04; 2673 modetable = special_modetable; 2674 goto setup_mode; 2675 2676 case M_ENH_B80x43: 2677 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2678 goto special_80x43; 2679 2680 case M_ENH_C80x43: 2681 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2682special_80x43: 2683 special_modetable[28] = 87; 2684 goto special_80x50; 2685 2686 case M_VGA_M80x50: 2687 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2688 goto special_80x50; 2689 2690 case M_VGA_C80x50: 2691 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2692special_80x50: 2693 special_modetable[2] = 8; 2694 special_modetable[19] = 7; 2695 modetable = special_modetable; 2696 goto setup_mode; 2697 2698 case M_VGA_C40x25: case M_VGA_C80x25: 2699 case M_VGA_M80x25: 2700 case M_B40x25: case M_C40x25: 2701 case M_B80x25: case M_C80x25: 2702 case M_ENH_B40x25: case M_ENH_C40x25: 2703 case M_ENH_B80x25: case M_ENH_C80x25: 2704 2705 modetable = video_mode_ptr + (scp->mode * 64); 2706setup_mode: 2707 set_vgaregs(modetable); 2708 font_size = *(modetable + 2); 2709 2710 /* set font type (size) */ 2711 switch (font_size) { 2712 case 0x10: 2713 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2714 scp->font = FONT_16; 2715 break; 2716 case 0x0E: 2717 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2718 scp->font = FONT_14; 2719 break; 2720 default: 2721 case 0x08: 2722 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2723 scp->font = FONT_8; 2724 break; 2725 } 2726 if (configuration & CHAR_CURSOR) 2727 set_destructive_cursor(scp, TRUE); 2728 break; 2729 2730 case M_BG320: case M_CG320: case M_BG640: 2731 case M_CG320_D: case M_CG640_E: 2732 case M_CG640x350: case M_ENH_CG640: 2733 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2734 2735 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2736 break; 2737 2738 default: 2739 /* call user defined function XXX */ 2740 break; 2741 } 2742 2743 /* set border color for this (virtual) console */ 2744 set_border(scp->border); 2745 return; 2746} 2747 2748void 2749set_border(int color) 2750{ 2751 inb(crtc_addr+6); /* reset flip-flop */ 2752 outb(ATC, 0x11); outb(ATC, color); 2753 inb(crtc_addr+6); /* reset flip-flop */ 2754 outb(ATC, 0x20); /* enable Palette */ 2755} 2756 2757static void 2758set_vgaregs(char *modetable) 2759{ 2760 int i, s = splhigh(); 2761 2762 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2763 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2764 for (i=0; i<4; i++) { /* program sequencer */ 2765 outb(TSIDX, i+1); 2766 outb(TSREG, modetable[i+5]); 2767 } 2768 outb(MISC, modetable[9]); /* set dot-clock */ 2769 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2770 outb(crtc_addr, 0x11); 2771 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2772 for (i=0; i<25; i++) { /* program crtc */ 2773 outb(crtc_addr, i); 2774 if (i == 14 || i == 15) /* no hardware cursor */ 2775 outb(crtc_addr+1, 0xff); 2776 else 2777 outb(crtc_addr+1, modetable[i+10]); 2778 } 2779 inb(crtc_addr+6); /* reset flip-flop */ 2780 for (i=0; i<20; i++) { /* program attribute ctrl */ 2781 outb(ATC, i); 2782 outb(ATC, modetable[i+35]); 2783 } 2784 for (i=0; i<9; i++) { /* program graph data ctrl */ 2785 outb(GDCIDX, i); 2786 outb(GDCREG, modetable[i+55]); 2787 } 2788 inb(crtc_addr+6); /* reset flip-flop */ 2789 outb(ATC ,0x20); /* enable palette */ 2790 splx(s); 2791} 2792 2793static void 2794set_font_mode() 2795{ 2796 /* setup vga for loading fonts (graphics plane mode) */ 2797 inb(crtc_addr+6); 2798 outb(ATC, 0x30); outb(ATC, 0x01); 2799#if SLOW_VGA 2800 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2801 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2802 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2803 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2804 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2805#else 2806 outw(TSIDX, 0x0402); 2807 outw(TSIDX, 0x0604); 2808 outw(GDCIDX, 0x0204); 2809 outw(GDCIDX, 0x0005); 2810 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2811#endif 2812} 2813 2814static void 2815set_normal_mode() 2816{ 2817 int s = splhigh(); 2818 2819 /* setup vga for normal operation mode again */ 2820 inb(crtc_addr+6); 2821 outb(ATC, 0x30); outb(ATC, 0x0C); 2822#if SLOW_VGA 2823 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2824 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2825 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2826 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2827 if (crtc_addr == MONO_BASE) { 2828 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2829 } 2830 else { 2831 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2832 } 2833#else 2834 outw(TSIDX, 0x0302); 2835 outw(TSIDX, 0x0204); 2836 outw(GDCIDX, 0x0004); 2837 outw(GDCIDX, 0x1005); 2838 if (crtc_addr == MONO_BASE) 2839 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2840 else 2841 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2842#endif 2843 splx(s); 2844} 2845 2846static void 2847copy_font(int operation, int font_type, char* font_image) 2848{ 2849 int ch, line, segment, fontsize; 2850 u_char val; 2851 2852 switch (font_type) { 2853 default: 2854 case FONT_8: 2855 segment = 0x8000; 2856 fontsize = 8; 2857 break; 2858 case FONT_14: 2859 segment = 0x4000; 2860 fontsize = 14; 2861 break; 2862 case FONT_16: 2863 segment = 0x0000; 2864 fontsize = 16; 2865 break; 2866 } 2867 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 2868 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2869 set_font_mode(); 2870 for (ch=0; ch < 256; ch++) 2871 for (line=0; line < fontsize; line++) 2872 if (operation) 2873 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 2874 font_image[(ch*fontsize)+line]; 2875 else 2876 font_image[(ch*fontsize)+line] = 2877 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 2878 set_normal_mode(); 2879 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 2880} 2881 2882static void 2883set_destructive_cursor(scr_stat *scp, int force) 2884{ 2885 u_char cursor[32]; 2886 caddr_t address; 2887 int i, font_size; 2888 char *font_buffer; 2889 static u_char old_saveunder = DEAD_CHAR; 2890 2891 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 2892 return; 2893 old_saveunder = scp->cursor_saveunder & 0xFF; 2894 switch (scp->font) { 2895 default: 2896 case FONT_8: 2897 font_size = 8; 2898 font_buffer = font_8; 2899 address = (caddr_t)VIDEOMEM + 0x8000; 2900 break; 2901 case FONT_14: 2902 font_size = 14; 2903 font_buffer = font_14; 2904 address = (caddr_t)VIDEOMEM + 0x4000; 2905 break; 2906 case FONT_16: 2907 font_size = 16; 2908 font_buffer = font_16; 2909 address = (caddr_t)VIDEOMEM; 2910 break; 2911 } 2912 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 2913 cursor, font_size); 2914 for (i=0; i<32; i++) 2915 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 2916 (scp->cursor_start >= font_size && i == font_size - 1)) 2917 cursor[i] |= 0xff; 2918 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 2919 set_font_mode(); 2920 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 2921 set_normal_mode(); 2922} 2923 2924static void 2925draw_mouse_image(scr_stat *scp) 2926{ 2927 caddr_t address; 2928 int i, font_size; 2929 char *font_buffer; 2930 u_short buffer[32]; 2931 u_short xoffset, yoffset; 2932 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 2933 2934 xoffset = scp->mouse_xpos % 8; 2935 switch (scp->font) { 2936 default: 2937 case FONT_8: 2938 font_size = 8; 2939 font_buffer = font_8; 2940 yoffset = scp->mouse_ypos % 8; 2941 address = (caddr_t)VIDEOMEM + 0x8000; 2942 break; 2943 case FONT_14: 2944 font_size = 14; 2945 font_buffer = font_14; 2946 yoffset = scp->mouse_ypos % 14; 2947 address = (caddr_t)VIDEOMEM + 0x4000; 2948 break; 2949 case FONT_16: 2950 font_size = 16; 2951 font_buffer = font_16; 2952 yoffset = scp->mouse_ypos % 16; 2953 address = (caddr_t)VIDEOMEM; 2954 break; 2955 } 2956 2957 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 2958 &scp->mouse_cursor[0], font_size); 2959 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 2960 &scp->mouse_cursor[32], font_size); 2961 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 2962 &scp->mouse_cursor[64], font_size); 2963 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 2964 &scp->mouse_cursor[96], font_size); 2965 2966 for (i=0; i<font_size; i++) { 2967 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 2968 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 2969 } 2970 for (i=0; i<16; i++) { 2971 buffer[i+yoffset] = 2972 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 2973 | (mouse_or_mask[i] >> xoffset); 2974 } 2975 for (i=0; i<font_size; i++) { 2976 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 2977 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 2978 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 2979 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 2980 } 2981 if (scp->status & UPDATE_MOUSE) { 2982 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 2983 2984 if (crt_pos != scp->mouse_oldpos) { 2985 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 2986 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 2987 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 2988 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 2989 } 2990 scp->mouse_saveunder[0] = *(scp->mouse_pos); 2991 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 2992 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 2993 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 2994 if ((scp->cursor_pos == (ptr)) || 2995 (scp->cursor_pos == (ptr+1)) || 2996 (scp->cursor_pos == (ptr+scp->xsize)) || 2997 (scp->cursor_pos == (ptr+scp->xsize+1)) || 2998 (scp->cursor_pos == (scp->mouse_pos)) || 2999 (scp->cursor_pos == (scp->mouse_pos+1)) || 3000 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 3001 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 3002 scp->status &= ~CURSOR_SHOWN; 3003 } 3004 scp->mouse_oldpos = crt_pos; 3005 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3006 *(crt_pos) = *(scp->mouse_pos)&0xff00|0xd0; 3007 *(crt_pos+1) = *(scp->mouse_pos+1)&0xff00|0xd1; 3008 *(crt_pos+scp->xsize) = *(scp->mouse_pos+scp->xsize)&0xff00|0xd2; 3009 *(crt_pos+scp->xsize+1) = *(scp->mouse_pos+scp->xsize+1)&0xff00|0xd3; 3010 set_font_mode(); 3011 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3012 set_normal_mode(); 3013} 3014 3015static void 3016save_palette(void) 3017{ 3018 int i; 3019 3020 outb(PALRADR, 0x00); 3021 for (i=0x00; i<0x300; i++) 3022 palette[i] = inb(PALDATA); 3023 inb(crtc_addr+6); /* reset flip/flop */ 3024} 3025 3026void 3027load_palette(void) 3028{ 3029 int i; 3030 3031 outb(PIXMASK, 0xFF); /* no pixelmask */ 3032 outb(PALWADR, 0x00); 3033 for (i=0x00; i<0x300; i++) 3034 outb(PALDATA, palette[i]); 3035 inb(crtc_addr+6); /* reset flip/flop */ 3036 outb(ATC, 0x20); /* enable palette */ 3037} 3038 3039static void 3040do_bell(scr_stat *scp, int pitch, int duration) 3041{ 3042 if (scp == cur_console) { 3043 if (configuration & VISUAL_BELL) { 3044 if (blink_in_progress) 3045 return; 3046 blink_in_progress = 4; 3047 blink_screen(scp); 3048 timeout((timeout_func_t)blink_screen, scp, hz/10); 3049 } 3050 else 3051 sysbeep(pitch, duration); 3052 } 3053} 3054 3055static void 3056blink_screen(scr_stat *scp) 3057{ 3058 if (blink_in_progress > 1) { 3059 if (blink_in_progress & 1) 3060 fillw(kernel_default.std_attr | scr_map[0x20], 3061 Crtat, scp->xsize * scp->ysize); 3062 else 3063 fillw(kernel_default.rev_attr | scr_map[0x20], 3064 Crtat, scp->xsize * scp->ysize); 3065 blink_in_progress--; 3066 timeout((timeout_func_t)blink_screen, scp, hz/10); 3067 } 3068 else { 3069 blink_in_progress = FALSE; 3070 mark_all(scp); 3071 if (delayed_next_scr) 3072 switch_scr(scp, delayed_next_scr - 1); 3073 } 3074} 3075 3076#endif /* NSC */ 3077