syscons.c revision 12724
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 1.135 1995/12/08 11:15:28 julian 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/signalvar.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#ifdef DEVFS 49#include <sys/devfsext.h> 50#endif 51 52#include <machine/clock.h> 53#include <machine/cons.h> 54#include <machine/console.h> 55#include <machine/psl.h> 56#include <machine/frame.h> 57#include <machine/pc/display.h> 58#include <machine/apm_bios.h> 59#include <machine/random.h> 60 61#include <vm/vm.h> 62#include <vm/vm_param.h> 63#include <vm/pmap.h> 64 65#include <i386/isa/isa.h> 66#include <i386/isa/isa_device.h> 67#include <i386/isa/timerreg.h> 68#include <i386/isa/kbdtables.h> 69#include <i386/isa/syscons.h> 70 71#if !defined(MAXCONS) 72#define MAXCONS 16 73#endif 74 75 76/* this may break on older VGA's but is usefull on real 32 bit systems */ 77#define bcopyw bcopy 78 79static default_attr user_default = { 80 (FG_LIGHTGREY | BG_BLACK) << 8, 81 (FG_BLACK | BG_LIGHTGREY) << 8 82}; 83 84static default_attr kernel_default = { 85 (FG_WHITE | BG_BLACK) << 8, 86 (FG_BLACK | BG_LIGHTGREY) << 8 87}; 88 89static scr_stat main_console; 90static scr_stat *console[MAXCONS]; 91static void *sc_devfs_token[MAXCONS]; 92 scr_stat *cur_console; 93static scr_stat *new_scp, *old_scp; 94static term_stat kernel_console; 95static default_attr *current_default; 96static char init_done = FALSE; 97static int configuration = 0; 98static char switch_in_progress = FALSE; 99static char blink_in_progress = FALSE; 100static char write_in_progress = FALSE; 101 u_int crtc_addr = MONO_BASE; 102static char crtc_vga = FALSE; 103static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 104static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 105static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 106static int fonts_loaded = 0; 107 char palette[3*256]; 108static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 109static int delayed_next_scr = FALSE; 110static long scrn_blank_time = 0; /* screen saver timeout value */ 111 int scrn_blanked = FALSE; /* screen saver active flag */ 112static long scrn_time_stamp; 113 u_char scr_map[256]; 114static char *video_mode_ptr = NULL; 115#if ASYNCH 116static u_char kbd_reply = 0; 117#endif 118 119static u_short mouse_and_mask[16] = { 120 0xc000, 0xe000, 0xf000, 0xf800, 0xfc00, 0xfe00, 0xff00, 0xff80, 121 0xfe00, 0x1e00, 0x1f00, 0x0f00, 0x0f00, 0x0000, 0x0000, 0x0000 122}; 123static u_short mouse_or_mask[16] = { 124 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x6800, 125 0x0c00, 0x0c00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000 126}; 127 128static void none_saver(int blank) { } 129 130void (*current_saver) __P((int blank)) = none_saver; 131 132static int scattach(struct isa_device *dev); 133static int scparam(struct tty *tp, struct termios *t); 134static int scprobe(struct isa_device *dev); 135static void scstart(struct tty *tp); 136 137/* OS specific stuff */ 138#ifdef not_yet_done 139#define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 140struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 141struct tty *sccons[MAXCONS+1]; 142#else 143#define VIRTUAL_TTY(x) &sccons[x] 144#define CONSOLE_TTY &sccons[MAXCONS] 145static struct tty sccons[MAXCONS+1]; 146#endif 147#define MONO_BUF pa_to_va(0xB0000) 148#define CGA_BUF pa_to_va(0xB8000) 149u_short *Crtat; 150 151#define WRAPHIST(scp, pointer, offset)\ 152 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 153 + (offset)) % (scp->history_size))) 154 155struct isa_driver scdriver = { 156 scprobe, scattach, "sc", 1 157}; 158 159static d_open_t scopen; 160static d_close_t scclose; 161static d_rdwr_t scread; 162static d_rdwr_t scwrite; 163static d_ioctl_t scioctl; 164static d_ttycv_t scdevtotty; 165static d_mmap_t scmmap; 166 167static struct cdevsw scdevsw = { 168 scopen, scclose, scread, scwrite, 169 scioctl, nullstop, noreset, scdevtotty, 170 ttselect, scmmap, nostrategy, "sc", NULL, -1 }; 171 172/* 173 * Calculate hardware attributes word using logical attributes mask and 174 * hardware colors 175 */ 176 177static int 178mask2attr(struct term_stat *term) 179{ 180 int attr, mask = term->attr_mask; 181 182 if (mask & REVERSE_ATTR) { 183 attr = ((mask & FOREGROUND_CHANGED) ? 184 ((term->cur_color & 0xF000) >> 4) : 185 (term->rev_color & 0x0F00)) | 186 ((mask & BACKGROUND_CHANGED) ? 187 ((term->cur_color & 0x0F00) << 4) : 188 (term->rev_color & 0xF000)); 189 } else 190 attr = term->cur_color; 191 192 /* XXX: underline mapping for Hercules adapter can be better */ 193 if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 194 attr ^= 0x0800; 195 if (mask & BLINK_ATTR) 196 attr ^= 0x8000; 197 198 return attr; 199} 200 201static int 202scprobe(struct isa_device *dev) 203{ 204 int i, retries = 5; 205 unsigned char val; 206 207 /* Enable interrupts and keyboard controller */ 208 kbd_wait(); 209 outb(KB_STAT, KB_WRITE); 210 kbd_wait(); 211 outb(KB_DATA, KB_MODE); 212 213 /* flush any noise in the buffer */ 214 while (inb(KB_STAT) & KB_BUF_FULL) { 215 DELAY(10); 216 (void) inb(KB_DATA); 217 } 218 219 /* Reset keyboard hardware */ 220 while (retries--) { 221 kbd_wait(); 222 outb(KB_DATA, KB_RESET); 223 for (i=0; i<100000; i++) { 224 DELAY(10); 225 val = inb(KB_DATA); 226 if (val == KB_ACK || val == KB_ECHO) 227 goto gotres; 228 if (val == KB_RESEND) 229 break; 230 } 231 } 232gotres: 233 if (!retries) 234 printf("scprobe: keyboard won't accept RESET command\n"); 235 else { 236gotack: 237 DELAY(10); 238 while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10); 239 DELAY(10); 240 val = inb(KB_DATA); 241 if (val == KB_ACK) 242 goto gotack; 243 if (val != KB_RESET_DONE) 244 printf("scprobe: keyboard RESET failed %02x\n", val); 245 } 246#ifdef XT_KEYBOARD 247 kbd_wait(); 248 outb(KB_DATA, 0xF0); 249 kbd_wait(); 250 outb(KB_DATA, 1); 251 kbd_wait(); 252#endif /* XT_KEYBOARD */ 253 return (IO_KBDSIZE); 254} 255 256static struct kern_devconf kdc_sc[NSC] = { 257 0, 0, 0, /* filled in by dev_attach */ 258 "sc", 0, { MDDT_ISA, 0, "tty" }, 259 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, 260 &kdc_isa0, /* parent */ 261 0, /* parentdata */ 262 DC_BUSY, /* the console is almost always busy */ 263 "Graphics console", 264 DC_CLS_DISPLAY /* class */ 265}; 266 267static inline void 268sc_registerdev(struct isa_device *id) 269{ 270 if(id->id_unit) 271 kdc_sc[id->id_unit] = kdc_sc[0]; 272 kdc_sc[id->id_unit].kdc_unit = id->id_unit; 273 kdc_sc[id->id_unit].kdc_isa = id; 274 dev_attach(&kdc_sc[id->id_unit]); 275} 276 277#if NAPM > 0 278static int 279scresume(void *dummy) 280{ 281 shfts = 0; 282 ctls = 0; 283 alts = 0; 284 agrs = 0; 285 metas = 0; 286 return 0; 287} 288#endif 289 290static int 291scattach(struct isa_device *dev) 292{ 293 scr_stat *scp; 294 int vc; 295 char name[32]; 296 297 scinit(); 298 configuration = dev->id_flags; 299 300 scp = console[0]; 301 302 if (crtc_vga) { 303 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 304 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 305 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 306 copy_font(SAVE, FONT_16, font_16); 307 fonts_loaded = FONT_16; 308 scp->font = FONT_16; 309 save_palette(); 310 } 311 312 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 313 M_DEVBUF, M_NOWAIT); 314 /* copy screen to buffer */ 315 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 316 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 317 scp->mouse_pos = scp->scr_buf; 318 319 /* initialize history buffer & pointers */ 320 scp->history_head = scp->history_pos = scp->history = 321 (u_short *)malloc(scp->history_size*sizeof(u_short), 322 M_DEVBUF, M_NOWAIT); 323 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 324 325 /* initialize cursor stuff */ 326 draw_cursor(scp, TRUE); 327 if (crtc_vga && (configuration & CHAR_CURSOR)) 328 set_destructive_cursor(scp, TRUE); 329 330 /* get screen update going */ 331 scrn_timer(); 332 333 update_leds(scp->status); 334 sc_registerdev(dev); 335 336 printf("sc%d: ", dev->id_unit); 337 if (crtc_vga) 338 if (crtc_addr == MONO_BASE) 339 printf("VGA mono"); 340 else 341 printf("VGA color"); 342 else 343 if (crtc_addr == MONO_BASE) 344 printf("MDA/hercules"); 345 else 346 printf("CGA/EGA"); 347 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 348 349#if NAPM > 0 350 scp->r_hook.ah_fun = scresume; 351 scp->r_hook.ah_arg = NULL; 352 scp->r_hook.ah_name = "system keyboard"; 353 scp->r_hook.ah_order = APM_MID_ORDER; 354 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 355#endif 356 357#ifdef DEVFS 358 for ( vc = 0 ; vc < MAXCONS; vc++) { 359 sprintf(name,"ttyv%x", vc); 360 sc_devfs_token[vc] = devfs_add_devsw("/" ,name, &scdevsw, vc, 361 DV_CHR, 0, 0, 0600 ); 362 } 363#endif 364 register_cdev("sc", &scdevsw); 365 366 return 0; 367} 368 369struct tty 370*scdevtotty(dev_t dev) 371{ 372 int unit = minor(dev); 373 374 if (unit > MAXCONS || unit < 0) 375 return(NULL); 376 if (unit == MAXCONS) 377 return CONSOLE_TTY; 378 return VIRTUAL_TTY(unit); 379} 380 381static scr_stat 382*get_scr_stat(dev_t dev) 383{ 384 int unit = minor(dev); 385 386 if (unit > MAXCONS || unit < 0) 387 return(NULL); 388 if (unit == MAXCONS) 389 return console[0]; 390 return console[unit]; 391} 392 393static int 394get_scr_num() 395{ 396 int i = 0; 397 398 while ((i < MAXCONS) && (cur_console != console[i])) 399 i++; 400 return i < MAXCONS ? i : 0; 401} 402 403int 404scopen(dev_t dev, int flag, int mode, struct proc *p) 405{ 406 struct tty *tp = scdevtotty(dev); 407 408 if (!tp) 409 return(ENXIO); 410 411 tp->t_oproc = scstart; 412 tp->t_param = scparam; 413 tp->t_dev = dev; 414 if (!(tp->t_state & TS_ISOPEN)) { 415 ttychars(tp); 416 tp->t_iflag = TTYDEF_IFLAG; 417 tp->t_oflag = TTYDEF_OFLAG; 418 tp->t_cflag = TTYDEF_CFLAG; 419 tp->t_lflag = TTYDEF_LFLAG; 420 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 421 scparam(tp, &tp->t_termios); 422 ttsetwater(tp); 423 (*linesw[tp->t_line].l_modem)(tp, 1); 424 } 425 else 426 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 427 return(EBUSY); 428 if (!console[minor(dev)]) 429 console[minor(dev)] = alloc_scp(); 430 return((*linesw[tp->t_line].l_open)(dev, tp)); 431} 432 433int 434scclose(dev_t dev, int flag, int mode, struct proc *p) 435{ 436 struct tty *tp = scdevtotty(dev); 437 struct scr_stat *scp; 438 439 if (!tp) 440 return(ENXIO); 441 if (minor(dev) < MAXCONS) { 442 scp = get_scr_stat(tp->t_dev); 443 if (scp->status & SWITCH_WAIT_ACQ) 444 wakeup((caddr_t)&scp->smode); 445#if not_yet_done 446 if (scp == &main_console) { 447 scp->pid = 0; 448 scp->proc = NULL; 449 scp->smode.mode = VT_AUTO; 450 } 451 else { 452 free(scp->scr_buf, M_DEVBUF); 453 free(scp->history, M_DEVBUF); 454 free(scp, M_DEVBUF); 455 console[minor(dev)] = NULL; 456 } 457#else 458 scp->pid = 0; 459 scp->proc = NULL; 460 scp->smode.mode = VT_AUTO; 461#endif 462 } 463 (*linesw[tp->t_line].l_close)(tp, flag); 464 ttyclose(tp); 465 return(0); 466} 467 468int 469scread(dev_t dev, struct uio *uio, int flag) 470{ 471 struct tty *tp = scdevtotty(dev); 472 473 if (!tp) 474 return(ENXIO); 475 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 476} 477 478int 479scwrite(dev_t dev, struct uio *uio, int flag) 480{ 481 struct tty *tp = scdevtotty(dev); 482 483 if (!tp) 484 return(ENXIO); 485 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 486} 487 488void 489scintr(int unit) 490{ 491 static struct tty *cur_tty; 492 int c, len; 493 u_char *cp; 494 495 /* make screensaver happy */ 496 scrn_time_stamp = time.tv_sec; 497 if (scrn_blanked) { 498 (*current_saver)(FALSE); 499 cur_console->start = 0; 500 cur_console->end = cur_console->xsize * cur_console->ysize; 501 } 502 503 c = scgetc(1); 504 505 cur_tty = VIRTUAL_TTY(get_scr_num()); 506 if (!(cur_tty->t_state & TS_ISOPEN)) 507 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 508 return; 509 510 switch (c & 0xff00) { 511 case 0x0000: /* normal key */ 512 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 513 break; 514 case NOKEY: /* nothing there */ 515 break; 516 case FKEY: /* function key, return string */ 517 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 518 while (len-- > 0) 519 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 520 } 521 break; 522 case MKEY: /* meta is active, prepend ESC */ 523 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 524 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 525 break; 526 case BKEY: /* backtab fixed sequence (esc [ Z) */ 527 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 528 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 529 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 530 break; 531 } 532} 533 534static int 535scparam(struct tty *tp, struct termios *t) 536{ 537 tp->t_ispeed = t->c_ispeed; 538 tp->t_ospeed = t->c_ospeed; 539 tp->t_cflag = t->c_cflag; 540 return 0; 541} 542 543int 544scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 545{ 546 int i, error; 547 struct tty *tp; 548 struct trapframe *fp; 549 scr_stat *scp; 550 551 tp = scdevtotty(dev); 552 if (!tp) 553 return ENXIO; 554 scp = get_scr_stat(tp->t_dev); 555 556 switch (cmd) { /* process console hardware related ioctl's */ 557 558 case GIO_ATTR: /* get current attributes */ 559 *(int*)data = scp->term.cur_attr; 560 return 0; 561 562 case GIO_COLOR: /* is this a color console ? */ 563 if (crtc_addr == COLOR_BASE) 564 *(int*)data = 1; 565 else 566 *(int*)data = 0; 567 return 0; 568 569 case CONS_CURRENT: /* get current adapter type */ 570 if (crtc_vga) 571 *(int*)data = KD_VGA; 572 else 573 if (crtc_addr == MONO_BASE) 574 *(int*)data = KD_MONO; 575 else 576 *(int*)data = KD_CGA; 577 return 0; 578 579 case CONS_GET: /* get current video mode */ 580 *(int*)data = scp->mode; 581 return 0; 582 583 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 584 scrn_blank_time = *(int*)data; 585 return 0; 586 587 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 588 if ((*(int*)data) & 0x01) 589 configuration |= BLINK_CURSOR; 590 else 591 configuration &= ~BLINK_CURSOR; 592 if ((*(int*)data) & 0x02) { 593 configuration |= CHAR_CURSOR; 594 set_destructive_cursor(scp, TRUE); 595 } else 596 configuration &= ~CHAR_CURSOR; 597 return 0; 598 599 case CONS_BELLTYPE: /* set bell type sound/visual */ 600 if (*data) 601 configuration |= VISUAL_BELL; 602 else 603 configuration &= ~VISUAL_BELL; 604 return 0; 605 606 case CONS_HISTORY: /* set history size */ 607 if (*data) { 608 free(scp->history, M_DEVBUF); 609 scp->history_size = *(int*)data; 610 if (scp->history_size < scp->ysize) 611 scp->history = NULL; 612 else { 613 scp->history_size *= scp->xsize; 614 scp->history_head = scp->history_pos = scp->history = 615 (u_short *)malloc(scp->history_size*sizeof(u_short), 616 M_DEVBUF, M_WAITOK); 617 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 618 } 619 return 0; 620 } 621 else 622 return EINVAL; 623 624 case CONS_MOUSECTL: /* control mouse arrow */ 625 { 626 mouse_info_t *mouse = (mouse_info_t*)data; 627 int fontsize; 628 629 switch (scp->font) { 630 default: 631 case FONT_8: 632 fontsize = 8; break; 633 case FONT_14: 634 fontsize = 14; break; 635 case FONT_16: 636 fontsize = 16; break; 637 } 638 switch (mouse->operation) { 639 case MOUSE_SHOW: 640 if (!(scp->status & MOUSE_ENABLED)) { 641 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf); 642 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED); 643 } 644 else 645 return EINVAL; 646 break; 647 648 case MOUSE_HIDE: 649 if (scp->status & MOUSE_ENABLED) { 650 scp->status &= ~MOUSE_ENABLED; 651 scp->status |= UPDATE_MOUSE; 652 } 653 else 654 return EINVAL; 655 break; 656 657 case MOUSE_MOVEABS: 658 scp->mouse_xpos = mouse->x; 659 scp->mouse_ypos = mouse->y; 660 goto set_mouse_pos; 661 662 case MOUSE_MOVEREL: 663 scp->mouse_xpos += mouse->x; 664 scp->mouse_ypos += mouse->y; 665set_mouse_pos: 666 if (scp->mouse_xpos < 0) 667 scp->mouse_xpos = 0; 668 if (scp->mouse_ypos < 0) 669 scp->mouse_ypos = 0; 670 if (scp->mouse_xpos >= scp->xsize*8) 671 scp->mouse_xpos = (scp->xsize*8)-1; 672 if (scp->mouse_ypos >= scp->ysize*fontsize) 673 scp->mouse_ypos = (scp->ysize*fontsize)-1; 674 scp->mouse_pos = scp->scr_buf + 675 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8; 676 if (scp->status & MOUSE_ENABLED) 677 scp->status |= UPDATE_MOUSE; 678 break; 679 680 case MOUSE_GETPOS: 681 mouse->x = scp->mouse_xpos; 682 mouse->y = scp->mouse_ypos; 683 return 0; 684 685 default: 686 return EINVAL; 687 } 688 /* make screensaver happy */ 689 if (scp == cur_console) { 690 scrn_time_stamp = time.tv_sec; 691 if (scrn_blanked) { 692 (*current_saver)(FALSE); 693 cur_console->start = 0; 694 cur_console->end = cur_console->xsize * cur_console->ysize; 695 } 696 } 697 return 0; 698 } 699 700 case CONS_GETINFO: /* get current (virtual) console info */ 701 { 702 vid_info_t *ptr = (vid_info_t*)data; 703 if (ptr->size == sizeof(struct vid_info)) { 704 ptr->m_num = get_scr_num(); 705 ptr->mv_col = scp->xpos; 706 ptr->mv_row = scp->ypos; 707 ptr->mv_csz = scp->xsize; 708 ptr->mv_rsz = scp->ysize; 709 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 710 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 711 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 712 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 713 ptr->mv_grfc.fore = 0; /* not supported */ 714 ptr->mv_grfc.back = 0; /* not supported */ 715 ptr->mv_ovscan = scp->border; 716 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 717 return 0; 718 } 719 return EINVAL; 720 } 721 722 case CONS_GETVERS: /* get version number */ 723 *(int*)data = 0x200; /* version 2.0 */ 724 return 0; 725 726 /* VGA TEXT MODES */ 727 case SW_VGA_C40x25: 728 case SW_VGA_C80x25: case SW_VGA_M80x25: 729 case SW_VGA_C80x30: case SW_VGA_M80x30: 730 case SW_VGA_C80x50: case SW_VGA_M80x50: 731 case SW_VGA_C80x60: case SW_VGA_M80x60: 732 case SW_B40x25: case SW_C40x25: 733 case SW_B80x25: case SW_C80x25: 734 case SW_ENH_B40x25: case SW_ENH_C40x25: 735 case SW_ENH_B80x25: case SW_ENH_C80x25: 736 case SW_ENH_B80x43: case SW_ENH_C80x43: 737 738 if (!crtc_vga || video_mode_ptr == NULL) 739 return ENXIO; 740 switch (cmd & 0xff) { 741 case M_VGA_C80x60: case M_VGA_M80x60: 742 if (!(fonts_loaded & FONT_8)) 743 return EINVAL; 744 scp->xsize = 80; 745 scp->ysize = 60; 746 break; 747 case M_VGA_C80x50: case M_VGA_M80x50: 748 if (!(fonts_loaded & FONT_8)) 749 return EINVAL; 750 scp->xsize = 80; 751 scp->ysize = 50; 752 break; 753 case M_ENH_B80x43: case M_ENH_C80x43: 754 if (!(fonts_loaded & FONT_8)) 755 return EINVAL; 756 scp->xsize = 80; 757 scp->ysize = 43; 758 break; 759 case M_VGA_C80x30: case M_VGA_M80x30: 760 scp->xsize = 80; 761 scp->ysize = 30; 762 break; 763 default: 764 if ((cmd & 0xff) > M_VGA_CG320) 765 return EINVAL; 766 else 767 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 768 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 769 break; 770 } 771 scp->mode = cmd & 0xff; 772 scp->status &= ~UNKNOWN_MODE; /* text mode */ 773 free(scp->scr_buf, M_DEVBUF); 774 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 775 M_DEVBUF, M_WAITOK); 776 if (scp == cur_console) 777 set_mode(scp); 778 clear_screen(scp); 779 if (tp->t_winsize.ws_col != scp->xsize 780 || tp->t_winsize.ws_row != scp->ysize) { 781 tp->t_winsize.ws_col = scp->xsize; 782 tp->t_winsize.ws_row = scp->ysize; 783 pgsignal(tp->t_pgrp, SIGWINCH, 1); 784 } 785 return 0; 786 787 /* GRAPHICS MODES */ 788 case SW_BG320: case SW_BG640: 789 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 790 case SW_CG640x350: case SW_ENH_CG640: 791 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 792 793 if (!crtc_vga || video_mode_ptr == NULL) 794 return ENXIO; 795 scp->mode = cmd & 0xFF; 796 scp->status |= UNKNOWN_MODE; /* graphics mode */ 797 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; 798 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 799 (*(video_mode_ptr + (scp->mode*64) + 2)); 800 set_mode(scp); 801 /* clear_graphics();*/ 802 803 if (tp->t_winsize.ws_xpixel != scp->xsize 804 || tp->t_winsize.ws_ypixel != scp->ysize) { 805 tp->t_winsize.ws_xpixel = scp->xsize; 806 tp->t_winsize.ws_ypixel = scp->ysize; 807 pgsignal(tp->t_pgrp, SIGWINCH, 1); 808 } 809 return 0; 810 811 case VT_SETMODE: /* set screen switcher mode */ 812 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 813 if (scp->smode.mode == VT_PROCESS) { 814 scp->proc = p; 815 scp->pid = scp->proc->p_pid; 816 } 817 return 0; 818 819 case VT_GETMODE: /* get screen switcher mode */ 820 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 821 return 0; 822 823 case VT_RELDISP: /* screen switcher ioctl */ 824 switch(*data) { 825 case VT_FALSE: /* user refuses to release screen, abort */ 826 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 827 old_scp->status &= ~SWITCH_WAIT_REL; 828 switch_in_progress = FALSE; 829 return 0; 830 } 831 return EINVAL; 832 833 case VT_TRUE: /* user has released screen, go on */ 834 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 835 scp->status &= ~SWITCH_WAIT_REL; 836 exchange_scr(); 837 if (new_scp->smode.mode == VT_PROCESS) { 838 new_scp->status |= SWITCH_WAIT_ACQ; 839 psignal(new_scp->proc, new_scp->smode.acqsig); 840 } 841 else 842 switch_in_progress = FALSE; 843 return 0; 844 } 845 return EINVAL; 846 847 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 848 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 849 scp->status &= ~SWITCH_WAIT_ACQ; 850 switch_in_progress = FALSE; 851 return 0; 852 } 853 return EINVAL; 854 855 default: 856 return EINVAL; 857 } 858 /* NOT REACHED */ 859 860 case VT_OPENQRY: /* return free virtual console */ 861 for (i = 0; i < MAXCONS; i++) { 862 tp = VIRTUAL_TTY(i); 863 if (!(tp->t_state & TS_ISOPEN)) { 864 *data = i + 1; 865 return 0; 866 } 867 } 868 return EINVAL; 869 870 case VT_ACTIVATE: /* switch to screen *data */ 871 return switch_scr(scp, (*data) - 1); 872 873 case VT_WAITACTIVE: /* wait for switch to occur */ 874 if (*data > MAXCONS || *data < 0) 875 return EINVAL; 876 if (minor(dev) == (*data) - 1) 877 return 0; 878 if (*data == 0) { 879 if (scp == cur_console) 880 return 0; 881 } 882 else 883 scp = console[(*data) - 1]; 884 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 885 "waitvt", 0)) == ERESTART) ; 886 return error; 887 888 case VT_GETACTIVE: 889 *data = get_scr_num()+1; 890 return 0; 891 892 case KDENABIO: /* allow io operations */ 893 error = suser(p->p_ucred, &p->p_acflag); 894 if (error != 0) 895 return error; 896 fp = (struct trapframe *)p->p_md.md_regs; 897 fp->tf_eflags |= PSL_IOPL; 898 return 0; 899 900 case KDDISABIO: /* disallow io operations (default) */ 901 fp = (struct trapframe *)p->p_md.md_regs; 902 fp->tf_eflags &= ~PSL_IOPL; 903 return 0; 904 905 case KDSETMODE: /* set current mode of this (virtual) console */ 906 switch (*data) { 907 case KD_TEXT: /* switch to TEXT (known) mode */ 908 /* restore fonts & palette ! */ 909 if (crtc_vga) { 910 if (fonts_loaded & FONT_8) 911 copy_font(LOAD, FONT_8, font_8); 912 if (fonts_loaded & FONT_14) 913 copy_font(LOAD, FONT_14, font_14); 914 if (fonts_loaded & FONT_16) 915 copy_font(LOAD, FONT_16, font_16); 916 if (configuration & CHAR_CURSOR) 917 set_destructive_cursor(scp, TRUE); 918 load_palette(); 919 } 920 /* FALL THROUGH */ 921 922 case KD_TEXT1: /* switch to TEXT (known) mode */ 923 /* no restore fonts & palette */ 924 scp->status &= ~UNKNOWN_MODE; 925 if (crtc_vga && video_mode_ptr) 926 set_mode(scp); 927 clear_screen(scp); 928 return 0; 929 930 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 931 scp->status |= UNKNOWN_MODE; 932 return 0; 933 default: 934 return EINVAL; 935 } 936 /* NOT REACHED */ 937 938 case KDGETMODE: /* get current mode of this (virtual) console */ 939 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 940 return 0; 941 942 case KDSBORDER: /* set border color of this (virtual) console */ 943 if (!crtc_vga) 944 return ENXIO; 945 scp->border = *data; 946 if (scp == cur_console) 947 set_border(scp->border); 948 return 0; 949 950 case KDSKBSTATE: /* set keyboard state (locks) */ 951 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 952 scp->status &= ~LOCK_KEY_MASK; 953 scp->status |= *data; 954 if (scp == cur_console) 955 update_leds(scp->status); 956 return 0; 957 } 958 return EINVAL; 959 960 case KDGKBSTATE: /* get keyboard state (locks) */ 961 *data = scp->status & LOCK_KEY_MASK; 962 return 0; 963 964 case KDSETRAD: /* set keyboard repeat & delay rates */ 965 if (*data & 0x80) 966 return EINVAL; 967 i = spltty(); 968 kbd_cmd(KB_SETRAD); 969 kbd_cmd(*data); 970 splx(i); 971 return 0; 972 973 case KDSKBMODE: /* set keyboard mode */ 974 switch (*data) { 975 case K_RAW: /* switch to RAW scancode mode */ 976 scp->status |= KBD_RAW_MODE; 977 return 0; 978 979 case K_XLATE: /* switch to XLT ascii mode */ 980 if (scp == cur_console && scp->status == KBD_RAW_MODE) 981 shfts = ctls = alts = agrs = metas = 0; 982 scp->status &= ~KBD_RAW_MODE; 983 return 0; 984 default: 985 return EINVAL; 986 } 987 /* NOT REACHED */ 988 989 case KDGKBMODE: /* get keyboard mode */ 990 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 991 return 0; 992 993 case KDMKTONE: /* sound the bell */ 994 if (*(int*)data) 995 do_bell(scp, (*(int*)data)&0xffff, 996 (((*(int*)data)>>16)&0xffff)*hz/1000); 997 else 998 do_bell(scp, scp->bell_pitch, scp->bell_duration); 999 return 0; 1000 1001 case KIOCSOUND: /* make tone (*data) hz */ 1002 if (scp == cur_console) { 1003 if (*(int*)data) { 1004 int pitch = TIMER_FREQ/(*(int*)data); 1005 1006 /* set command for counter 2, 2 byte write */ 1007 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1008 return EBUSY; 1009 1010 /* set pitch */ 1011 outb(TIMER_CNTR2, pitch); 1012 outb(TIMER_CNTR2, (pitch>>8)); 1013 1014 /* enable counter 2 output to speaker */ 1015 outb(IO_PPI, inb(IO_PPI) | 3); 1016 } 1017 else { 1018 /* disable counter 2 output to speaker */ 1019 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1020 release_timer2(); 1021 } 1022 } 1023 return 0; 1024 1025 case KDGKBTYPE: /* get keyboard type */ 1026 *data = 0; /* type not known (yet) */ 1027 return 0; 1028 1029 case KDSETLED: /* set keyboard LED status */ 1030 if (*data >= 0 && *data <= LED_MASK) { 1031 scp->status &= ~LED_MASK; 1032 scp->status |= *data; 1033 if (scp == cur_console) 1034 update_leds(scp->status); 1035 return 0; 1036 } 1037 return EINVAL; 1038 1039 case KDGETLED: /* get keyboard LED status */ 1040 *data = scp->status & LED_MASK; 1041 return 0; 1042 1043 case GETFKEY: /* get functionkey string */ 1044 if (*(u_short*)data < n_fkey_tab) { 1045 fkeyarg_t *ptr = (fkeyarg_t*)data; 1046 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1047 fkey_tab[ptr->keynum].len); 1048 ptr->flen = fkey_tab[ptr->keynum].len; 1049 return 0; 1050 } 1051 else 1052 return EINVAL; 1053 1054 case SETFKEY: /* set functionkey string */ 1055 if (*(u_short*)data < n_fkey_tab) { 1056 fkeyarg_t *ptr = (fkeyarg_t*)data; 1057 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1058 min(ptr->flen, MAXFK)); 1059 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1060 return 0; 1061 } 1062 else 1063 return EINVAL; 1064 1065 case GIO_SCRNMAP: /* get output translation table */ 1066 bcopy(&scr_map, data, sizeof(scr_map)); 1067 return 0; 1068 1069 case PIO_SCRNMAP: /* set output translation table */ 1070 bcopy(data, &scr_map, sizeof(scr_map)); 1071 return 0; 1072 1073 case GIO_KEYMAP: /* get keyboard translation table */ 1074 bcopy(&key_map, data, sizeof(key_map)); 1075 return 0; 1076 1077 case PIO_KEYMAP: /* set keyboard translation table */ 1078 bcopy(data, &key_map, sizeof(key_map)); 1079 return 0; 1080 1081 case PIO_FONT8x8: /* set 8x8 dot font */ 1082 if (!crtc_vga) 1083 return ENXIO; 1084 bcopy(data, font_8, 8*256); 1085 fonts_loaded |= FONT_8; 1086 copy_font(LOAD, FONT_8, font_8); 1087 if (configuration & CHAR_CURSOR) 1088 set_destructive_cursor(scp, TRUE); 1089 return 0; 1090 1091 case GIO_FONT8x8: /* get 8x8 dot font */ 1092 if (!crtc_vga) 1093 return ENXIO; 1094 if (fonts_loaded & FONT_8) { 1095 bcopy(font_8, data, 8*256); 1096 return 0; 1097 } 1098 else 1099 return ENXIO; 1100 1101 case PIO_FONT8x14: /* set 8x14 dot font */ 1102 if (!crtc_vga) 1103 return ENXIO; 1104 bcopy(data, font_14, 14*256); 1105 fonts_loaded |= FONT_14; 1106 copy_font(LOAD, FONT_14, font_14); 1107 if (configuration & CHAR_CURSOR) 1108 set_destructive_cursor(scp, TRUE); 1109 return 0; 1110 1111 case GIO_FONT8x14: /* get 8x14 dot font */ 1112 if (!crtc_vga) 1113 return ENXIO; 1114 if (fonts_loaded & FONT_14) { 1115 bcopy(font_14, data, 14*256); 1116 return 0; 1117 } 1118 else 1119 return ENXIO; 1120 1121 case PIO_FONT8x16: /* set 8x16 dot font */ 1122 if (!crtc_vga) 1123 return ENXIO; 1124 bcopy(data, font_16, 16*256); 1125 fonts_loaded |= FONT_16; 1126 copy_font(LOAD, FONT_16, font_16); 1127 if (configuration & CHAR_CURSOR) 1128 set_destructive_cursor(scp, TRUE); 1129 return 0; 1130 1131 case GIO_FONT8x16: /* get 8x16 dot font */ 1132 if (!crtc_vga) 1133 return ENXIO; 1134 if (fonts_loaded & FONT_16) { 1135 bcopy(font_16, data, 16*256); 1136 return 0; 1137 } 1138 else 1139 return ENXIO; 1140 default: 1141 break; 1142 } 1143 1144 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1145 if (error >= 0) 1146 return(error); 1147 error = ttioctl(tp, cmd, data, flag); 1148 if (error >= 0) 1149 return(error); 1150 return(ENOTTY); 1151} 1152 1153static void 1154scstart(struct tty *tp) 1155{ 1156 struct clist *rbp; 1157 int s, len; 1158 u_char buf[PCBURST]; 1159 scr_stat *scp = get_scr_stat(tp->t_dev); 1160 1161 /* XXX who repeats the call when the above flags are cleared? */ 1162 if (scp->status & SLKED || blink_in_progress) 1163 return; 1164 s = spltty(); 1165 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1166 tp->t_state |= TS_BUSY; 1167 rbp = &tp->t_outq; 1168 while (rbp->c_cc) { 1169 len = q_to_b(rbp, buf, PCBURST); 1170 splx(s); 1171 ansi_put(scp, buf, len); 1172 s = spltty(); 1173 } 1174 tp->t_state &= ~TS_BUSY; 1175 ttwwakeup(tp); 1176 } 1177 splx(s); 1178} 1179 1180void 1181sccnprobe(struct consdev *cp) 1182{ 1183 struct isa_device *dvp; 1184 int maj; 1185 1186 /* 1187 * Take control if we are the highest priority enabled display device. 1188 */ 1189 dvp = find_display(); 1190 maj = getmajorbyname("sc"); 1191 if (dvp->id_driver != &scdriver || maj < 0) { 1192 cp->cn_pri = CN_DEAD; 1193 return; 1194 } 1195 1196 /* initialize required fields */ 1197 cp->cn_dev = makedev(maj, MAXCONS); 1198 cp->cn_pri = CN_INTERNAL; 1199} 1200 1201void 1202sccninit(struct consdev *cp) 1203{ 1204 scinit(); 1205} 1206 1207void 1208sccnputc(dev_t dev, int c) 1209{ 1210 u_char buf[1]; 1211 scr_stat *scp = console[0]; 1212 term_stat save = scp->term; 1213 1214 scp->term = kernel_console; 1215 current_default = &kernel_default; 1216 if (scp->scr_buf == Crtat) 1217 draw_cursor(scp, FALSE); 1218 buf[0] = c; 1219 ansi_put(scp, buf, 1); 1220 kernel_console = scp->term; 1221 current_default = &user_default; 1222 scp->term = save; 1223 if (scp == cur_console /* && scrn_timer not running */) { 1224 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1225 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1226 (1 + scp->end - scp->start) * sizeof(u_short)); 1227 scp->start = scp->xsize * scp->ysize; 1228 scp->end = 0; 1229 scp->status &= ~CURSOR_SHOWN; 1230 } 1231 draw_cursor(scp, TRUE); 1232 } 1233} 1234 1235int 1236sccngetc(dev_t dev) 1237{ 1238 int s = spltty(); /* block scintr while we poll */ 1239 int c = scgetc(0); 1240 splx(s); 1241 return(c); 1242} 1243 1244int 1245sccncheckc(dev_t dev) 1246{ 1247 return (scgetc(1) & 0xff); 1248} 1249 1250static void 1251scrn_timer() 1252{ 1253 static int cursor_blinkrate; 1254 scr_stat *scp = cur_console; 1255 1256 /* should we just return ? */ 1257 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1258 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1259 return; 1260 } 1261 1262 if (!scrn_blanked) { 1263 /* update screen image */ 1264 if (scp->start <= scp->end) { 1265 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1266 (1 + scp->end - scp->start) * sizeof(u_short)); 1267 scp->status &= ~CURSOR_SHOWN; 1268 scp->start = scp->xsize * scp->ysize; 1269 scp->end = 0; 1270 } 1271 /* update "pseudo" mouse arrow */ 1272 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE)) 1273 draw_mouse_image(scp); 1274 1275 /* update cursor image */ 1276 if (scp->status & CURSOR_ENABLED) 1277 draw_cursor(scp, 1278 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1279 } 1280 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1281 (*current_saver)(TRUE); 1282 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1283} 1284 1285static void 1286clear_screen(scr_stat *scp) 1287{ 1288 move_crsr(scp, 0, 0); 1289 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1290 scp->xsize * scp->ysize); 1291 mark_all(scp); 1292} 1293 1294static int 1295switch_scr(scr_stat *scp, u_int next_scr) 1296{ 1297 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1298 switch_in_progress = FALSE; 1299 1300 if (next_scr >= MAXCONS || switch_in_progress || 1301 (cur_console->smode.mode == VT_AUTO 1302 && cur_console->status & UNKNOWN_MODE)) { 1303 do_bell(scp, BELL_PITCH, BELL_DURATION); 1304 return EINVAL; 1305 } 1306 1307 /* is the wanted virtual console open ? */ 1308 if (next_scr) { 1309 struct tty *tp = VIRTUAL_TTY(next_scr); 1310 if (!(tp->t_state & TS_ISOPEN)) { 1311 do_bell(scp, BELL_PITCH, BELL_DURATION); 1312 return EINVAL; 1313 } 1314 } 1315 /* delay switch if actively updating screen */ 1316 if (write_in_progress || blink_in_progress) { 1317 delayed_next_scr = next_scr+1; 1318 return 0; 1319 } 1320 switch_in_progress = TRUE; 1321 old_scp = cur_console; 1322 new_scp = console[next_scr]; 1323 wakeup((caddr_t)&new_scp->smode); 1324 if (new_scp == old_scp) { 1325 switch_in_progress = FALSE; 1326 delayed_next_scr = FALSE; 1327 return 0; 1328 } 1329 1330 /* has controlling process died? */ 1331 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1332 old_scp->smode.mode = VT_AUTO; 1333 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1334 new_scp->smode.mode = VT_AUTO; 1335 1336 /* check the modes and switch approbiatly */ 1337 if (old_scp->smode.mode == VT_PROCESS) { 1338 old_scp->status |= SWITCH_WAIT_REL; 1339 psignal(old_scp->proc, old_scp->smode.relsig); 1340 } 1341 else { 1342 exchange_scr(); 1343 if (new_scp->smode.mode == VT_PROCESS) { 1344 new_scp->status |= SWITCH_WAIT_ACQ; 1345 psignal(new_scp->proc, new_scp->smode.acqsig); 1346 } 1347 else 1348 switch_in_progress = FALSE; 1349 } 1350 return 0; 1351} 1352 1353static void 1354exchange_scr(void) 1355{ 1356 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1357 cur_console = new_scp; 1358 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1359 if (crtc_vga && video_mode_ptr) 1360 set_mode(new_scp); 1361 } 1362 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1363 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1364 if (fonts_loaded & FONT_8) 1365 copy_font(LOAD, FONT_8, font_8); 1366 if (fonts_loaded & FONT_14) 1367 copy_font(LOAD, FONT_14, font_14); 1368 if (fonts_loaded & FONT_16) 1369 copy_font(LOAD, FONT_16, font_16); 1370 if (configuration & CHAR_CURSOR) 1371 set_destructive_cursor(new_scp, TRUE); 1372 load_palette(); 1373 } 1374 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1375 shfts = ctls = alts = agrs = metas = 0; 1376 update_leds(new_scp->status); 1377 delayed_next_scr = FALSE; 1378 bcopyw(new_scp->scr_buf, Crtat, 1379 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1380 new_scp->status &= ~CURSOR_SHOWN; 1381} 1382 1383static inline void 1384move_crsr(scr_stat *scp, int x, int y) 1385{ 1386 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1387 return; 1388 scp->xpos = x; 1389 scp->ypos = y; 1390 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1391 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 1392 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1393} 1394 1395static void 1396scan_esc(scr_stat *scp, u_char c) 1397{ 1398 static u_char ansi_col[16] = 1399 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1400 int i, n; 1401 u_short *src, *dst, count; 1402 1403 if (scp->term.esc == 1) { 1404 switch (c) { 1405 1406 case '[': /* Start ESC [ sequence */ 1407 scp->term.esc = 2; 1408 scp->term.last_param = -1; 1409 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1410 scp->term.param[i] = 1; 1411 scp->term.num_param = 0; 1412 return; 1413 1414 case 'M': /* Move cursor up 1 line, scroll if at top */ 1415 if (scp->ypos > 0) 1416 move_crsr(scp, scp->xpos, scp->ypos - 1); 1417 else { 1418 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1419 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1420 fillw(scp->term.cur_color | scr_map[0x20], 1421 scp->scr_buf, scp->xsize); 1422 mark_all(scp); 1423 } 1424 break; 1425#if notyet 1426 case 'Q': 1427 scp->term.esc = 4; 1428 break; 1429#endif 1430 case 'c': /* Clear screen & home */ 1431 clear_screen(scp); 1432 break; 1433 } 1434 } 1435 else if (scp->term.esc == 2) { 1436 if (c >= '0' && c <= '9') { 1437 if (scp->term.num_param < MAX_ESC_PAR) { 1438 if (scp->term.last_param != scp->term.num_param) { 1439 scp->term.last_param = scp->term.num_param; 1440 scp->term.param[scp->term.num_param] = 0; 1441 } 1442 else 1443 scp->term.param[scp->term.num_param] *= 10; 1444 scp->term.param[scp->term.num_param] += c - '0'; 1445 return; 1446 } 1447 } 1448 scp->term.num_param = scp->term.last_param + 1; 1449 switch (c) { 1450 1451 case ';': 1452 if (scp->term.num_param < MAX_ESC_PAR) 1453 return; 1454 break; 1455 1456 case '=': 1457 scp->term.esc = 3; 1458 scp->term.last_param = -1; 1459 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1460 scp->term.param[i] = 1; 1461 scp->term.num_param = 0; 1462 return; 1463 1464 case 'A': /* up n rows */ 1465 n = scp->term.param[0]; if (n < 1) n = 1; 1466 move_crsr(scp, scp->xpos, scp->ypos - n); 1467 break; 1468 1469 case 'B': /* down n rows */ 1470 n = scp->term.param[0]; if (n < 1) n = 1; 1471 move_crsr(scp, scp->xpos, scp->ypos + n); 1472 break; 1473 1474 case 'C': /* right n columns */ 1475 n = scp->term.param[0]; if (n < 1) n = 1; 1476 move_crsr(scp, scp->xpos + n, scp->ypos); 1477 break; 1478 1479 case 'D': /* left n columns */ 1480 n = scp->term.param[0]; if (n < 1) n = 1; 1481 move_crsr(scp, scp->xpos - n, scp->ypos); 1482 break; 1483 1484 case 'E': /* cursor to start of line n lines down */ 1485 n = scp->term.param[0]; if (n < 1) n = 1; 1486 move_crsr(scp, 0, scp->ypos + n); 1487 break; 1488 1489 case 'F': /* cursor to start of line n lines up */ 1490 n = scp->term.param[0]; if (n < 1) n = 1; 1491 move_crsr(scp, 0, scp->ypos - n); 1492 break; 1493 1494 case 'f': /* Cursor move */ 1495 case 'H': 1496 if (scp->term.num_param == 0) 1497 move_crsr(scp, 0, 0); 1498 else if (scp->term.num_param == 2) 1499 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1500 break; 1501 1502 case 'J': /* Clear all or part of display */ 1503 if (scp->term.num_param == 0) 1504 n = 0; 1505 else 1506 n = scp->term.param[0]; 1507 switch (n) { 1508 case 0: /* clear form cursor to end of display */ 1509 fillw(scp->term.cur_color | scr_map[0x20], 1510 scp->cursor_pos, 1511 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1512 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1513 mark_for_update(scp, scp->xsize * scp->ysize); 1514 break; 1515 case 1: /* clear from beginning of display to cursor */ 1516 fillw(scp->term.cur_color | scr_map[0x20], 1517 scp->scr_buf, 1518 scp->cursor_pos - scp->scr_buf); 1519 mark_for_update(scp, 0); 1520 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1521 break; 1522 case 2: /* clear entire display */ 1523 clear_screen(scp); 1524 break; 1525 } 1526 break; 1527 1528 case 'K': /* Clear all or part of line */ 1529 if (scp->term.num_param == 0) 1530 n = 0; 1531 else 1532 n = scp->term.param[0]; 1533 switch (n) { 1534 case 0: /* clear form cursor to end of line */ 1535 fillw(scp->term.cur_color | scr_map[0x20], 1536 scp->cursor_pos, 1537 scp->xsize - scp->xpos); 1538 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1539 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1540 scp->xsize - scp->xpos); 1541 break; 1542 case 1: /* clear from beginning of line to cursor */ 1543 fillw(scp->term.cur_color | scr_map[0x20], 1544 scp->cursor_pos - (scp->xsize - scp->xpos), 1545 (scp->xsize - scp->xpos) + 1); 1546 mark_for_update(scp, scp->ypos * scp->xsize); 1547 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1548 break; 1549 case 2: /* clear entire line */ 1550 fillw(scp->term.cur_color | scr_map[0x20], 1551 scp->cursor_pos - (scp->xsize - scp->xpos), 1552 scp->xsize); 1553 mark_for_update(scp, scp->ypos * scp->xsize); 1554 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1555 break; 1556 } 1557 break; 1558 1559 case 'L': /* Insert n lines */ 1560 n = scp->term.param[0]; if (n < 1) n = 1; 1561 if (n > scp->ysize - scp->ypos) 1562 n = scp->ysize - scp->ypos; 1563 src = scp->scr_buf + scp->ypos * scp->xsize; 1564 dst = src + n * scp->xsize; 1565 count = scp->ysize - (scp->ypos + n); 1566 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1567 fillw(scp->term.cur_color | scr_map[0x20], src, 1568 n * scp->xsize); 1569 mark_for_update(scp, scp->ypos * scp->xsize); 1570 mark_for_update(scp, scp->xsize * scp->ysize); 1571 break; 1572 1573 case 'M': /* Delete n lines */ 1574 n = scp->term.param[0]; if (n < 1) n = 1; 1575 if (n > scp->ysize - scp->ypos) 1576 n = scp->ysize - scp->ypos; 1577 dst = scp->scr_buf + scp->ypos * scp->xsize; 1578 src = dst + n * scp->xsize; 1579 count = scp->ysize - (scp->ypos + n); 1580 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1581 src = dst + count * scp->xsize; 1582 fillw(scp->term.cur_color | scr_map[0x20], src, 1583 n * scp->xsize); 1584 mark_for_update(scp, scp->ypos * scp->xsize); 1585 mark_for_update(scp, scp->xsize * scp->ysize); 1586 break; 1587 1588 case 'P': /* Delete n chars */ 1589 n = scp->term.param[0]; if (n < 1) n = 1; 1590 if (n > scp->xsize - scp->xpos) 1591 n = scp->xsize - scp->xpos; 1592 dst = scp->cursor_pos; 1593 src = dst + n; 1594 count = scp->xsize - (scp->xpos + n); 1595 bcopyw(src, dst, count * sizeof(u_short)); 1596 src = dst + count; 1597 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1598 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1599 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1600 break; 1601 1602 case '@': /* Insert n chars */ 1603 n = scp->term.param[0]; if (n < 1) n = 1; 1604 if (n > scp->xsize - scp->xpos) 1605 n = scp->xsize - scp->xpos; 1606 src = scp->cursor_pos; 1607 dst = src + n; 1608 count = scp->xsize - (scp->xpos + n); 1609 bcopyw(src, dst, count * sizeof(u_short)); 1610 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1611 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1612 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1613 break; 1614 1615 case 'S': /* scroll up n lines */ 1616 n = scp->term.param[0]; if (n < 1) n = 1; 1617 if (n > scp->ysize) 1618 n = scp->ysize; 1619 bcopyw(scp->scr_buf + (scp->xsize * n), 1620 scp->scr_buf, 1621 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1622 fillw(scp->term.cur_color | scr_map[0x20], 1623 scp->scr_buf + scp->xsize * (scp->ysize - n), 1624 scp->xsize * n); 1625 mark_all(scp); 1626 break; 1627 1628 case 'T': /* scroll down n lines */ 1629 n = scp->term.param[0]; if (n < 1) n = 1; 1630 if (n > scp->ysize) 1631 n = scp->ysize; 1632 bcopyw(scp->scr_buf, 1633 scp->scr_buf + (scp->xsize * n), 1634 scp->xsize * (scp->ysize - n) * 1635 sizeof(u_short)); 1636 fillw(scp->term.cur_color | scr_map[0x20], 1637 scp->scr_buf, scp->xsize * n); 1638 mark_all(scp); 1639 break; 1640 1641 case 'X': /* erase n characters in line */ 1642 n = scp->term.param[0]; if (n < 1) n = 1; 1643 if (n > scp->xsize - scp->xpos) 1644 n = scp->xsize - scp->xpos; 1645 fillw(scp->term.cur_color | scr_map[0x20], 1646 scp->scr_buf + scp->xpos + 1647 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1648 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1649 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1650 break; 1651 1652 case 'Z': /* move n tabs backwards */ 1653 n = scp->term.param[0]; if (n < 1) n = 1; 1654 if ((i = scp->xpos & 0xf8) == scp->xpos) 1655 i -= 8*n; 1656 else 1657 i -= 8*(n-1); 1658 if (i < 0) 1659 i = 0; 1660 move_crsr(scp, i, scp->ypos); 1661 break; 1662 1663 case '`': /* move cursor to column n */ 1664 n = scp->term.param[0]; if (n < 1) n = 1; 1665 move_crsr(scp, n - 1, scp->ypos); 1666 break; 1667 1668 case 'a': /* move cursor n columns to the right */ 1669 n = scp->term.param[0]; if (n < 1) n = 1; 1670 move_crsr(scp, scp->xpos + n, scp->ypos); 1671 break; 1672 1673 case 'd': /* move cursor to row n */ 1674 n = scp->term.param[0]; if (n < 1) n = 1; 1675 move_crsr(scp, scp->xpos, n - 1); 1676 break; 1677 1678 case 'e': /* move cursor n rows down */ 1679 n = scp->term.param[0]; if (n < 1) n = 1; 1680 move_crsr(scp, scp->xpos, scp->ypos + n); 1681 break; 1682 1683 case 'm': /* change attribute */ 1684 if (scp->term.num_param == 0) { 1685 scp->term.attr_mask = NORMAL_ATTR; 1686 scp->term.cur_attr = 1687 scp->term.cur_color = scp->term.std_color; 1688 break; 1689 } 1690 for (i = 0; i < scp->term.num_param; i++) { 1691 switch (n = scp->term.param[i]) { 1692 case 0: /* back to normal */ 1693 scp->term.attr_mask = NORMAL_ATTR; 1694 scp->term.cur_attr = 1695 scp->term.cur_color = scp->term.std_color; 1696 break; 1697 case 1: /* bold */ 1698 scp->term.attr_mask |= BOLD_ATTR; 1699 scp->term.cur_attr = mask2attr(&scp->term); 1700 break; 1701 case 4: /* underline */ 1702 scp->term.attr_mask |= UNDERLINE_ATTR; 1703 scp->term.cur_attr = mask2attr(&scp->term); 1704 break; 1705 case 5: /* blink */ 1706 scp->term.attr_mask |= BLINK_ATTR; 1707 scp->term.cur_attr = mask2attr(&scp->term); 1708 break; 1709 case 7: /* reverse video */ 1710 scp->term.attr_mask |= REVERSE_ATTR; 1711 scp->term.cur_attr = mask2attr(&scp->term); 1712 break; 1713 case 30: case 31: /* set fg color */ 1714 case 32: case 33: case 34: 1715 case 35: case 36: case 37: 1716 scp->term.attr_mask |= FOREGROUND_CHANGED; 1717 scp->term.cur_color = 1718 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 1719 scp->term.cur_attr = mask2attr(&scp->term); 1720 break; 1721 case 40: case 41: /* set bg color */ 1722 case 42: case 43: case 44: 1723 case 45: case 46: case 47: 1724 scp->term.attr_mask |= BACKGROUND_CHANGED; 1725 scp->term.cur_color = 1726 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 1727 scp->term.cur_attr = mask2attr(&scp->term); 1728 break; 1729 } 1730 } 1731 break; 1732 1733 case 'x': 1734 if (scp->term.num_param == 0) 1735 n = 0; 1736 else 1737 n = scp->term.param[0]; 1738 switch (n) { 1739 case 0: /* reset attributes */ 1740 scp->term.attr_mask = NORMAL_ATTR; 1741 scp->term.cur_attr = 1742 scp->term.cur_color = scp->term.std_color = 1743 current_default->std_color; 1744 scp->term.rev_color = current_default->rev_color; 1745 break; 1746 case 1: /* set ansi background */ 1747 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1748 scp->term.cur_color = scp->term.std_color = 1749 (scp->term.std_color & 0x0F00) | 1750 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1751 scp->term.cur_attr = mask2attr(&scp->term); 1752 break; 1753 case 2: /* set ansi foreground */ 1754 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1755 scp->term.cur_color = scp->term.std_color = 1756 (scp->term.std_color & 0xF000) | 1757 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1758 scp->term.cur_attr = mask2attr(&scp->term); 1759 break; 1760 case 3: /* set ansi attribute directly */ 1761 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 1762 scp->term.cur_color = scp->term.std_color = 1763 (scp->term.param[1]&0xFF)<<8; 1764 scp->term.cur_attr = mask2attr(&scp->term); 1765 break; 1766 case 5: /* set ansi reverse video background */ 1767 scp->term.rev_color = 1768 (scp->term.rev_color & 0x0F00) | 1769 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1770 scp->term.cur_attr = mask2attr(&scp->term); 1771 break; 1772 case 6: /* set ansi reverse video foreground */ 1773 scp->term.rev_color = 1774 (scp->term.rev_color & 0xF000) | 1775 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1776 scp->term.cur_attr = mask2attr(&scp->term); 1777 break; 1778 case 7: /* set ansi reverse video directly */ 1779 scp->term.rev_color = 1780 (scp->term.param[1]&0xFF)<<8; 1781 scp->term.cur_attr = mask2attr(&scp->term); 1782 break; 1783 } 1784 break; 1785 1786 case 'z': /* switch to (virtual) console n */ 1787 if (scp->term.num_param == 1) 1788 switch_scr(scp, scp->term.param[0]); 1789 break; 1790 } 1791 } 1792 else if (scp->term.esc == 3) { 1793 if (c >= '0' && c <= '9') { 1794 if (scp->term.num_param < MAX_ESC_PAR) { 1795 if (scp->term.last_param != scp->term.num_param) { 1796 scp->term.last_param = scp->term.num_param; 1797 scp->term.param[scp->term.num_param] = 0; 1798 } 1799 else 1800 scp->term.param[scp->term.num_param] *= 10; 1801 scp->term.param[scp->term.num_param] += c - '0'; 1802 return; 1803 } 1804 } 1805 scp->term.num_param = scp->term.last_param + 1; 1806 switch (c) { 1807 1808 case ';': 1809 if (scp->term.num_param < MAX_ESC_PAR) 1810 return; 1811 break; 1812 1813 case 'A': /* set display border color */ 1814 if (scp->term.num_param == 1) 1815 scp->border=scp->term.param[0] & 0xff; 1816 if (scp == cur_console) 1817 set_border(scp->border); 1818 break; 1819 1820 case 'B': /* set bell pitch and duration */ 1821 if (scp->term.num_param == 2) { 1822 scp->bell_pitch = scp->term.param[0]; 1823 scp->bell_duration = scp->term.param[1]*10; 1824 } 1825 break; 1826 1827 case 'C': /* set cursor type & shape */ 1828 if (scp->term.num_param == 1) { 1829 if (scp->term.param[0] & 0x01) 1830 configuration |= BLINK_CURSOR; 1831 else 1832 configuration &= ~BLINK_CURSOR; 1833 if (scp->term.param[0] & 0x02) { 1834 configuration |= CHAR_CURSOR; 1835 set_destructive_cursor(scp, TRUE); 1836 } else 1837 configuration &= ~CHAR_CURSOR; 1838 } 1839 else if (scp->term.num_param == 2) { 1840 scp->cursor_start = scp->term.param[0] & 0x1F; 1841 scp->cursor_end = scp->term.param[1] & 0x1F; 1842 if (configuration & CHAR_CURSOR) 1843 set_destructive_cursor(scp, TRUE); 1844 } 1845 break; 1846 1847 case 'F': /* set ansi foreground */ 1848 if (scp->term.num_param == 1) { 1849 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1850 scp->term.cur_color = scp->term.std_color = 1851 (scp->term.std_color & 0xF000) 1852 | ((scp->term.param[0] & 0x0F) << 8); 1853 scp->term.cur_attr = mask2attr(&scp->term); 1854 } 1855 break; 1856 1857 case 'G': /* set ansi background */ 1858 if (scp->term.num_param == 1) { 1859 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1860 scp->term.cur_color = scp->term.std_color = 1861 (scp->term.std_color & 0x0F00) 1862 | ((scp->term.param[0] & 0x0F) << 12); 1863 scp->term.cur_attr = mask2attr(&scp->term); 1864 } 1865 break; 1866 1867 case 'H': /* set ansi reverse video foreground */ 1868 if (scp->term.num_param == 1) { 1869 scp->term.rev_color = 1870 (scp->term.rev_color & 0xF000) 1871 | ((scp->term.param[0] & 0x0F) << 8); 1872 scp->term.cur_attr = mask2attr(&scp->term); 1873 } 1874 break; 1875 1876 case 'I': /* set ansi reverse video background */ 1877 if (scp->term.num_param == 1) { 1878 scp->term.rev_color = 1879 (scp->term.rev_color & 0x0F00) 1880 | ((scp->term.param[0] & 0x0F) << 12); 1881 scp->term.cur_attr = mask2attr(&scp->term); 1882 } 1883 break; 1884 } 1885 } 1886 scp->term.esc = 0; 1887} 1888 1889static inline void 1890draw_cursor(scr_stat *scp, int show) 1891{ 1892 if (show && !(scp->status & CURSOR_SHOWN)) { 1893 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 1894 1895 scp->cursor_saveunder = cursor_image; 1896 if (configuration & CHAR_CURSOR) { 1897 set_destructive_cursor(scp, FALSE); 1898 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 1899 } 1900 else { 1901 if ((cursor_image & 0x7000) == 0x7000) { 1902 cursor_image &= 0x8fff; 1903 if(!(cursor_image & 0x0700)) 1904 cursor_image |= 0x0700; 1905 } else { 1906 cursor_image |= 0x7000; 1907 if ((cursor_image & 0x0700) == 0x0700) 1908 cursor_image &= 0xf0ff; 1909 } 1910 } 1911 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 1912 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1913 scp->status |= CURSOR_SHOWN; 1914 } 1915 if (!show && (scp->status & CURSOR_SHOWN)) { 1916 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 1917 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1918 scp->status &= ~CURSOR_SHOWN; 1919 } 1920} 1921 1922static void 1923ansi_put(scr_stat *scp, u_char *buf, int len) 1924{ 1925 u_char *ptr = buf; 1926 1927 if (scp->status & UNKNOWN_MODE) 1928 return; 1929 1930 /* make screensaver happy */ 1931 if (scp == cur_console) { 1932 scrn_time_stamp = time.tv_sec; 1933 if (scrn_blanked) { 1934 (*current_saver)(FALSE); 1935 cur_console->start = 0; 1936 cur_console->end = cur_console->xsize * cur_console->ysize; 1937 } 1938 } 1939 write_in_progress++; 1940outloop: 1941 if (scp->term.esc) { 1942 scan_esc(scp, *ptr++); 1943 len--; 1944 } 1945 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1946 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1947 u_short cur_attr = scp->term.cur_attr; 1948 u_short *cursor_pos = scp->cursor_pos; 1949 do { 1950 /* 1951 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 1952 * pointers in the following to volatile should have no effect, 1953 * but in fact speeds up this inner loop from 26 to 18 cycles 1954 * (+ cache misses) on i486's. 1955 */ 1956#define UCVP(ucp) ((u_char volatile *)(ucp)) 1957 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 1958 ptr++; 1959 cnt--; 1960 } while (cnt && PRINTABLE(*ptr)); 1961 len -= (cursor_pos - scp->cursor_pos); 1962 scp->xpos += (cursor_pos - scp->cursor_pos); 1963 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1964 mark_for_update(scp, cursor_pos - scp->scr_buf); 1965 scp->cursor_pos = cursor_pos; 1966 if (scp->xpos >= scp->xsize) { 1967 scp->xpos = 0; 1968 scp->ypos++; 1969 } 1970 } 1971 else { 1972 switch(*ptr) { 1973 case 0x07: 1974 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1975 break; 1976 1977 case 0x08: /* non-destructive backspace */ 1978 if (scp->cursor_pos > scp->scr_buf) { 1979 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1980 scp->cursor_pos--; 1981 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1982 if (scp->xpos > 0) 1983 scp->xpos--; 1984 else { 1985 scp->xpos += scp->xsize - 1; 1986 scp->ypos--; 1987 } 1988 } 1989 break; 1990 1991 case 0x09: /* non-destructive tab */ 1992 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1993 scp->cursor_pos += (8 - scp->xpos % 8u); 1994 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1995 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 1996 scp->xpos = 0; 1997 scp->ypos++; 1998 } 1999 break; 2000 2001 case 0x0a: /* newline, same pos */ 2002 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2003 scp->cursor_pos += scp->xsize; 2004 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2005 scp->ypos++; 2006 break; 2007 2008 case 0x0c: /* form feed, clears screen */ 2009 clear_screen(scp); 2010 break; 2011 2012 case 0x0d: /* return, return to pos 0 */ 2013 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2014 scp->cursor_pos -= scp->xpos; 2015 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2016 scp->xpos = 0; 2017 break; 2018 2019 case 0x1b: /* start escape sequence */ 2020 scp->term.esc = 1; 2021 scp->term.num_param = 0; 2022 break; 2023 } 2024 ptr++; len--; 2025 } 2026 /* do we have to scroll ?? */ 2027 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2028 if (scp->history) { 2029 bcopyw(scp->scr_buf, scp->history_head, 2030 scp->xsize * sizeof(u_short)); 2031 scp->history_head += scp->xsize; 2032 if (scp->history_head + scp->xsize > 2033 scp->history + scp->history_size) 2034 scp->history_head = scp->history; 2035 } 2036 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 2037 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2038 fillw(scp->term.cur_color | scr_map[0x20], 2039 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2040 scp->xsize); 2041 scp->cursor_pos -= scp->xsize; 2042 scp->ypos--; 2043 mark_all(scp); 2044 } 2045 if (len) 2046 goto outloop; 2047 write_in_progress--; 2048 if (delayed_next_scr) 2049 switch_scr(scp, delayed_next_scr - 1); 2050} 2051 2052static void 2053scinit(void) 2054{ 2055 u_short volatile *cp; 2056 u_short was; 2057 unsigned hw_cursor; 2058 int i; 2059 2060 if (init_done) 2061 return; 2062 init_done = TRUE; 2063 /* 2064 * Finish defaulting crtc variables for a mono screen. Crtat is a 2065 * bogus common variable so that it can be shared with pcvt, so it 2066 * can't be statically initialized. XXX. 2067 */ 2068 Crtat = (u_short *)MONO_BUF; 2069 /* 2070 * If CGA memory seems to work, switch to color. 2071 */ 2072 cp = (u_short *)CGA_BUF; 2073 was = *cp; 2074 *cp = (u_short) 0xA55A; 2075 if (*cp == 0xA55A) { 2076 Crtat = (u_short *)cp; 2077 crtc_addr = COLOR_BASE; 2078 } 2079 *cp = was; 2080 2081 /* 2082 * Ensure a zero start address. This is mainly to recover after 2083 * switching from pcvt using userconfig(). The registers are w/o 2084 * for old hardware so it's too hard to relocate the active screen 2085 * memory. 2086 */ 2087 outb(crtc_addr, 12); 2088 outb(crtc_addr + 1, 0); 2089 outb(crtc_addr, 13); 2090 outb(crtc_addr + 1, 0); 2091 2092 /* extract cursor location */ 2093 outb(crtc_addr, 14); 2094 hw_cursor = inb(crtc_addr + 1) << 8; 2095 outb(crtc_addr, 15); 2096 hw_cursor |= inb(crtc_addr + 1); 2097 2098 /* move hardware cursor out of the way */ 2099 outb(crtc_addr, 14); 2100 outb(crtc_addr + 1, 0xff); 2101 outb(crtc_addr, 15); 2102 outb(crtc_addr + 1, 0xff); 2103 2104 /* is this a VGA or higher ? */ 2105 outb(crtc_addr, 7); 2106 if (inb(crtc_addr) == 7) { 2107 u_long pa; 2108 u_long segoff; 2109 2110 crtc_vga = TRUE; 2111 /* 2112 * Get the BIOS video mode pointer. 2113 */ 2114 segoff = *(u_long *)pa_to_va(0x4a8); 2115 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2116 if (ISMAPPED(pa, sizeof(u_long))) { 2117 segoff = *(u_long *)pa_to_va(pa); 2118 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2119 if (ISMAPPED(pa, 64)) 2120 video_mode_ptr = (char *)pa_to_va(pa); 2121 } 2122 } 2123 current_default = &user_default; 2124 console[0] = &main_console; 2125 init_scp(console[0]); 2126 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2127 console[0]->cursor_pos = Crtat + hw_cursor; 2128 console[0]->xpos = hw_cursor % COL; 2129 console[0]->ypos = hw_cursor / COL; 2130 cur_console = console[0]; 2131 for (i=1; i<MAXCONS; i++) 2132 console[i] = NULL; 2133 kernel_console.esc = 0; 2134 kernel_console.attr_mask = NORMAL_ATTR; 2135 kernel_console.cur_attr = 2136 kernel_console.cur_color = kernel_console.std_color = 2137 kernel_default.std_color; 2138 kernel_console.rev_color = kernel_default.rev_color; 2139 /* initialize mapscrn array to a one to one map */ 2140 for (i=0; i<sizeof(scr_map); i++) 2141 scr_map[i] = i; 2142} 2143 2144static scr_stat 2145*alloc_scp() 2146{ 2147 scr_stat *scp; 2148 2149 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2150 init_scp(scp); 2151 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 2152 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2153 M_DEVBUF, M_WAITOK); 2154 scp->history_head = scp->history_pos = scp->history = 2155 (u_short *)malloc(scp->history_size*sizeof(u_short), 2156 M_DEVBUF, M_WAITOK); 2157 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2158 if (crtc_vga && video_mode_ptr) 2159 set_mode(scp); 2160 clear_screen(scp); 2161 return scp; 2162} 2163 2164static void 2165init_scp(scr_stat *scp) 2166{ 2167 scp->mode = M_VGA_C80x25; 2168 scp->font = FONT_16; 2169 scp->xsize = COL; 2170 scp->ysize = ROW; 2171 scp->start = COL * ROW; 2172 scp->end = 0; 2173 scp->term.esc = 0; 2174 scp->term.attr_mask = NORMAL_ATTR; 2175 scp->term.cur_attr = 2176 scp->term.cur_color = scp->term.std_color = 2177 current_default->std_color; 2178 scp->term.rev_color = current_default->rev_color; 2179 scp->border = BG_BLACK; 2180 scp->cursor_start = *(char *)pa_to_va(0x461); 2181 scp->cursor_end = *(char *)pa_to_va(0x460); 2182 scp->mouse_xpos = scp->mouse_ypos = 0; 2183 scp->bell_pitch = BELL_PITCH; 2184 scp->bell_duration = BELL_DURATION; 2185 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2186 scp->status |= CURSOR_ENABLED; 2187 scp->pid = 0; 2188 scp->proc = NULL; 2189 scp->smode.mode = VT_AUTO; 2190 scp->history_head = scp->history_pos = scp->history = NULL; 2191 scp->history_size = HISTORY_SIZE; 2192} 2193 2194static u_char 2195*get_fstr(u_int c, u_int *len) 2196{ 2197 u_int i; 2198 2199 if (!(c & FKEY)) 2200 return(NULL); 2201 i = (c & 0xFF) - F_FN; 2202 if (i > n_fkey_tab) 2203 return(NULL); 2204 *len = fkey_tab[i].len; 2205 return(fkey_tab[i].str); 2206} 2207 2208static void 2209update_leds(int which) 2210{ 2211 int s; 2212 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2213 2214 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2215 if (key_map.n_keys > ALTGR_OFFSET) { 2216 if (which & ALKED) 2217 which |= CLKED; 2218 else 2219 which &= ~CLKED; 2220 } 2221 s = spltty(); 2222 kbd_cmd(KB_SETLEDS); 2223 kbd_cmd(xlate_leds[which & LED_MASK]); 2224 splx(s); 2225} 2226 2227static void 2228history_to_screen(scr_stat *scp) 2229{ 2230 int i; 2231 2232 for (i=0; i<scp->ysize; i++) 2233 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2234 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2235 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2236 scp->xsize * sizeof(u_short)); 2237 mark_all(scp); 2238} 2239 2240static int 2241history_up_line(scr_stat *scp) 2242{ 2243 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2244 scp->history_head) { 2245 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2246 history_to_screen(scp); 2247 return 0; 2248 } 2249 else 2250 return -1; 2251} 2252 2253static int 2254history_down_line(scr_stat *scp) 2255{ 2256 if (scp->history_pos != scp->history_head) { 2257 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2258 history_to_screen(scp); 2259 return 0; 2260 } 2261 else 2262 return -1; 2263} 2264 2265/* 2266 * scgetc(noblock) - get character from keyboard. 2267 * If noblock = 0 wait until a key is pressed. 2268 * Else return NOKEY. 2269 */ 2270u_int 2271scgetc(int noblock) 2272{ 2273 u_char scancode, keycode; 2274 u_int state, action; 2275 struct key_t *key; 2276 static u_char esc_flag = 0, compose = 0; 2277 static u_int chr = 0; 2278 2279next_code: 2280 kbd_wait(); 2281 /* First see if there is something in the keyboard port */ 2282 if (inb(KB_STAT) & KB_BUF_FULL) 2283 scancode = inb(KB_DATA); 2284 else if (noblock) 2285 return(NOKEY); 2286 else 2287 goto next_code; 2288 2289 add_keyboard_randomness(scancode); 2290 2291 if (cur_console->status & KBD_RAW_MODE) 2292 return scancode; 2293#if ASYNCH 2294 if (scancode == KB_ACK || scancode == KB_RESEND) { 2295 kbd_reply = scancode; 2296 if (noblock) 2297 return(NOKEY); 2298 goto next_code; 2299 } 2300#endif 2301 keycode = scancode & 0x7F; 2302 switch (esc_flag) { 2303 case 0x00: /* normal scancode */ 2304 switch(scancode) { 2305 case 0xB8: /* left alt (compose key) */ 2306 if (compose) { 2307 compose = 0; 2308 if (chr > 255) { 2309 do_bell(cur_console, 2310 BELL_PITCH, BELL_DURATION); 2311 chr = 0; 2312 } 2313 } 2314 break; 2315 case 0x38: 2316 if (!compose) { 2317 compose = 1; 2318 chr = 0; 2319 } 2320 break; 2321 case 0xE0: 2322 case 0xE1: 2323 esc_flag = scancode; 2324 goto next_code; 2325 } 2326 break; 2327 case 0xE0: /* 0xE0 prefix */ 2328 esc_flag = 0; 2329 switch (keycode) { 2330 case 0x1C: /* right enter key */ 2331 keycode = 0x59; 2332 break; 2333 case 0x1D: /* right ctrl key */ 2334 keycode = 0x5A; 2335 break; 2336 case 0x35: /* keypad divide key */ 2337 keycode = 0x5B; 2338 break; 2339 case 0x37: /* print scrn key */ 2340 keycode = 0x5C; 2341 break; 2342 case 0x38: /* right alt key (alt gr) */ 2343 keycode = 0x5D; 2344 break; 2345 case 0x47: /* grey home key */ 2346 keycode = 0x5E; 2347 break; 2348 case 0x48: /* grey up arrow key */ 2349 keycode = 0x5F; 2350 break; 2351 case 0x49: /* grey page up key */ 2352 keycode = 0x60; 2353 break; 2354 case 0x4B: /* grey left arrow key */ 2355 keycode = 0x61; 2356 break; 2357 case 0x4D: /* grey right arrow key */ 2358 keycode = 0x62; 2359 break; 2360 case 0x4F: /* grey end key */ 2361 keycode = 0x63; 2362 break; 2363 case 0x50: /* grey down arrow key */ 2364 keycode = 0x64; 2365 break; 2366 case 0x51: /* grey page down key */ 2367 keycode = 0x65; 2368 break; 2369 case 0x52: /* grey insert key */ 2370 keycode = 0x66; 2371 break; 2372 case 0x53: /* grey delete key */ 2373 keycode = 0x67; 2374 break; 2375 2376 /* the following 3 are only used on the MS "Natural" keyboard */ 2377 case 0x5b: /* left Window key */ 2378 keycode = 0x69; 2379 break; 2380 case 0x5c: /* right Window key */ 2381 keycode = 0x6a; 2382 break; 2383 case 0x5d: /* menu key */ 2384 keycode = 0x6b; 2385 break; 2386 default: /* ignore everything else */ 2387 goto next_code; 2388 } 2389 break; 2390 case 0xE1: /* 0xE1 prefix */ 2391 esc_flag = 0; 2392 if (keycode == 0x1D) 2393 esc_flag = 0x1D; 2394 goto next_code; 2395 /* NOT REACHED */ 2396 case 0x1D: /* pause / break */ 2397 esc_flag = 0; 2398 if (keycode != 0x45) 2399 goto next_code; 2400 keycode = 0x68; 2401 break; 2402 } 2403 2404 /* if scroll-lock pressed allow history browsing */ 2405 if (cur_console->history && cur_console->status & SLKED) { 2406 int i; 2407 2408 cur_console->status &= ~CURSOR_ENABLED; 2409 if (!(cur_console->status & BUFFER_SAVED)) { 2410 cur_console->status |= BUFFER_SAVED; 2411 cur_console->history_save = cur_console->history_head; 2412 2413 /* copy screen into top of history buffer */ 2414 for (i=0; i<cur_console->ysize; i++) { 2415 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2416 cur_console->history_head, 2417 cur_console->xsize * sizeof(u_short)); 2418 cur_console->history_head += cur_console->xsize; 2419 if (cur_console->history_head + cur_console->xsize > 2420 cur_console->history + cur_console->history_size) 2421 cur_console->history_head=cur_console->history; 2422 } 2423 cur_console->history_pos = cur_console->history_head; 2424 history_to_screen(cur_console); 2425 } 2426 switch (scancode) { 2427 case 0x47: /* home key */ 2428 cur_console->history_pos = cur_console->history_head; 2429 history_to_screen(cur_console); 2430 goto next_code; 2431 2432 case 0x4F: /* end key */ 2433 cur_console->history_pos = 2434 WRAPHIST(cur_console, cur_console->history_head, 2435 cur_console->xsize*cur_console->ysize); 2436 history_to_screen(cur_console); 2437 goto next_code; 2438 2439 case 0x48: /* up arrow key */ 2440 if (history_up_line(cur_console)) 2441 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2442 goto next_code; 2443 2444 case 0x50: /* down arrow key */ 2445 if (history_down_line(cur_console)) 2446 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2447 goto next_code; 2448 2449 case 0x49: /* page up key */ 2450 for (i=0; i<cur_console->ysize; i++) 2451 if (history_up_line(cur_console)) { 2452 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2453 break; 2454 } 2455 goto next_code; 2456 2457 case 0x51: /* page down key */ 2458 for (i=0; i<cur_console->ysize; i++) 2459 if (history_down_line(cur_console)) { 2460 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2461 break; 2462 } 2463 goto next_code; 2464 } 2465 } 2466 2467 if (compose) { 2468 switch (scancode) { 2469 /* key pressed process it */ 2470 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2471 chr = (scancode - 0x40) + chr*10; 2472 goto next_code; 2473 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2474 chr = (scancode - 0x47) + chr*10; 2475 goto next_code; 2476 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2477 chr = (scancode - 0x4E) + chr*10; 2478 goto next_code; 2479 case 0x52: /* keypad 0 */ 2480 chr *= 10; 2481 goto next_code; 2482 2483 /* key release, no interest here */ 2484 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2485 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2486 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2487 case 0xD2: /* keypad 0 */ 2488 goto next_code; 2489 2490 case 0x38: /* left alt key */ 2491 break; 2492 default: 2493 if (chr) { 2494 compose = chr = 0; 2495 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2496 goto next_code; 2497 } 2498 break; 2499 } 2500 } 2501 2502 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2503 if ((!agrs && (cur_console->status & ALKED)) 2504 || (agrs && !(cur_console->status & ALKED))) 2505 keycode += ALTGR_OFFSET; 2506 key = &key_map.key[keycode]; 2507 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2508 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2509 state ^= 1; 2510 2511 /* Check for make/break */ 2512 action = key->map[state]; 2513 if (scancode & 0x80) { /* key released */ 2514 if (key->spcl & 0x80) { 2515 switch (action) { 2516 case LSH: 2517 shfts &= ~1; 2518 break; 2519 case RSH: 2520 shfts &= ~2; 2521 break; 2522 case LCTR: 2523 ctls &= ~1; 2524 break; 2525 case RCTR: 2526 ctls &= ~2; 2527 break; 2528 case LALT: 2529 alts &= ~1; 2530 break; 2531 case RALT: 2532 alts &= ~2; 2533 break; 2534 case NLK: 2535 nlkcnt = 0; 2536 break; 2537 case CLK: 2538 clkcnt = 0; 2539 break; 2540 case SLK: 2541 slkcnt = 0; 2542 break; 2543 case ASH: 2544 agrs = 0; 2545 break; 2546 case ALK: 2547 alkcnt = 0; 2548 break; 2549 case META: 2550 metas = 0; 2551 break; 2552 } 2553 } 2554 if (chr && !compose) { 2555 action = chr; 2556 chr = 0; 2557 return(action); 2558 } 2559 } else { 2560 /* key pressed */ 2561 if (key->spcl & (0x80>>state)) { 2562 switch (action) { 2563 /* LOCKING KEYS */ 2564 case NLK: 2565 if (!nlkcnt) { 2566 nlkcnt++; 2567 if (cur_console->status & NLKED) 2568 cur_console->status &= ~NLKED; 2569 else 2570 cur_console->status |= NLKED; 2571 update_leds(cur_console->status); 2572 } 2573 break; 2574 case CLK: 2575 if (!clkcnt) { 2576 clkcnt++; 2577 if (cur_console->status & CLKED) 2578 cur_console->status &= ~CLKED; 2579 else 2580 cur_console->status |= CLKED; 2581 update_leds(cur_console->status); 2582 } 2583 break; 2584 case SLK: 2585 if (!slkcnt) { 2586 slkcnt++; 2587 if (cur_console->status & SLKED) { 2588 cur_console->status &= ~SLKED; 2589 if (cur_console->status & BUFFER_SAVED){ 2590 int i; 2591 u_short *ptr = cur_console->history_save; 2592 2593 for (i=0; i<cur_console->ysize; i++) { 2594 bcopyw(ptr, 2595 cur_console->scr_buf + 2596 (cur_console->xsize*i), 2597 cur_console->xsize * sizeof(u_short)); 2598 ptr += cur_console->xsize; 2599 if (ptr + cur_console->xsize > 2600 cur_console->history + 2601 cur_console->history_size) 2602 ptr = cur_console->history; 2603 } 2604 cur_console->status &= ~BUFFER_SAVED; 2605 cur_console->history_head=cur_console->history_save; 2606 cur_console->status |= CURSOR_ENABLED; 2607 mark_all(cur_console); 2608 } 2609 scstart(VIRTUAL_TTY(get_scr_num())); 2610 } 2611 else 2612 cur_console->status |= SLKED; 2613 update_leds(cur_console->status); 2614 } 2615 break; 2616 case ALK: 2617 if (!alkcnt) { 2618 alkcnt++; 2619 if (cur_console->status & ALKED) 2620 cur_console->status &= ~ALKED; 2621 else 2622 cur_console->status |= ALKED; 2623 update_leds(cur_console->status); 2624 } 2625 break; 2626 2627 /* NON-LOCKING KEYS */ 2628 case NOP: 2629 break; 2630 case RBT: 2631 shutdown_nice(); 2632 break; 2633 case SUSP: 2634#if NAPM > 0 2635 apm_suspend(); 2636#endif 2637 break; 2638 2639 case DBG: 2640#ifdef DDB /* try to switch to console 0 */ 2641 if (cur_console->smode.mode == VT_AUTO && 2642 console[0]->smode.mode == VT_AUTO) 2643 switch_scr(cur_console, 0); 2644 Debugger("manual escape to debugger"); 2645 return(NOKEY); 2646#else 2647 printf("No debugger in kernel\n"); 2648#endif 2649 break; 2650 case LSH: 2651 shfts |= 1; 2652 break; 2653 case RSH: 2654 shfts |= 2; 2655 break; 2656 case LCTR: 2657 ctls |= 1; 2658 break; 2659 case RCTR: 2660 ctls |= 2; 2661 break; 2662 case LALT: 2663 alts |= 1; 2664 break; 2665 case RALT: 2666 alts |= 2; 2667 break; 2668 case ASH: 2669 agrs = 1; 2670 break; 2671 case META: 2672 metas = 1; 2673 break; 2674 case NEXT: 2675 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2676 break; 2677 case BTAB: 2678 return(BKEY); 2679 default: 2680 if (action >= F_SCR && action <= L_SCR) { 2681 switch_scr(cur_console, action - F_SCR); 2682 break; 2683 } 2684 if (action >= F_FN && action <= L_FN) 2685 action |= FKEY; 2686 return(action); 2687 } 2688 } 2689 else { 2690 if (metas) 2691 action |= MKEY; 2692 return(action); 2693 } 2694 } 2695 goto next_code; 2696} 2697 2698int 2699scmmap(dev_t dev, int offset, int nprot) 2700{ 2701 if (offset > 0x20000 - PAGE_SIZE) 2702 return -1; 2703 return i386_btop((VIDEOMEM + offset)); 2704} 2705 2706static void 2707kbd_wait(void) 2708{ 2709 int i = 1000; 2710 2711 while (i--) { 2712 if ((inb(KB_STAT) & KB_READY) == 0) 2713 break; 2714 DELAY (10); 2715 } 2716} 2717 2718static void 2719kbd_cmd(u_char command) 2720{ 2721 int retry = 5; 2722 do { 2723 int i = 100000; 2724 2725 kbd_wait(); 2726#if ASYNCH 2727 kbd_reply = 0; 2728 outb(KB_DATA, command); 2729 while (i--) { 2730 if (kbd_reply == KB_ACK) 2731 return; 2732 if (kbd_reply == KB_RESEND) 2733 break; 2734 } 2735#else 2736 outb(KB_DATA, command); 2737 while (i--) { 2738 if (inb(KB_STAT) & KB_BUF_FULL) { 2739 int val; 2740 DELAY(10); 2741 val = inb(KB_DATA); 2742 if (val == KB_ACK) 2743 return; 2744 if (val == KB_RESEND) 2745 break; 2746 } 2747 } 2748#endif 2749 } while (retry--); 2750} 2751 2752static void 2753set_mode(scr_stat *scp) 2754{ 2755 char *modetable; 2756 char special_modetable[64]; 2757 int font_size; 2758 2759 if (scp != cur_console) 2760 return; 2761 2762 /* setup video hardware for the given mode */ 2763 switch (scp->mode) { 2764 case M_VGA_M80x60: 2765 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2766 goto special_80x60; 2767 2768 case M_VGA_C80x60: 2769 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2770special_80x60: 2771 special_modetable[2] = 0x08; 2772 special_modetable[19] = 0x47; 2773 goto special_480l; 2774 2775 case M_VGA_M80x30: 2776 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2777 goto special_80x30; 2778 2779 case M_VGA_C80x30: 2780 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2781special_80x30: 2782 special_modetable[19] = 0x4f; 2783special_480l: 2784 special_modetable[9] |= 0xc0; 2785 special_modetable[16] = 0x08; 2786 special_modetable[17] = 0x3e; 2787 special_modetable[26] = 0xea; 2788 special_modetable[28] = 0xdf; 2789 special_modetable[31] = 0xe7; 2790 special_modetable[32] = 0x04; 2791 modetable = special_modetable; 2792 goto setup_mode; 2793 2794 case M_ENH_B80x43: 2795 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2796 goto special_80x43; 2797 2798 case M_ENH_C80x43: 2799 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2800special_80x43: 2801 special_modetable[28] = 87; 2802 goto special_80x50; 2803 2804 case M_VGA_M80x50: 2805 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2806 goto special_80x50; 2807 2808 case M_VGA_C80x50: 2809 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2810special_80x50: 2811 special_modetable[2] = 8; 2812 special_modetable[19] = 7; 2813 modetable = special_modetable; 2814 goto setup_mode; 2815 2816 case M_VGA_C40x25: case M_VGA_C80x25: 2817 case M_VGA_M80x25: 2818 case M_B40x25: case M_C40x25: 2819 case M_B80x25: case M_C80x25: 2820 case M_ENH_B40x25: case M_ENH_C40x25: 2821 case M_ENH_B80x25: case M_ENH_C80x25: 2822 2823 modetable = video_mode_ptr + (scp->mode * 64); 2824setup_mode: 2825 set_vgaregs(modetable); 2826 font_size = *(modetable + 2); 2827 2828 /* set font type (size) */ 2829 switch (font_size) { 2830 case 0x10: 2831 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2832 scp->font = FONT_16; 2833 break; 2834 case 0x0E: 2835 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2836 scp->font = FONT_14; 2837 break; 2838 default: 2839 case 0x08: 2840 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2841 scp->font = FONT_8; 2842 break; 2843 } 2844 if (configuration & CHAR_CURSOR) 2845 set_destructive_cursor(scp, TRUE); 2846 break; 2847 2848 case M_BG320: case M_CG320: case M_BG640: 2849 case M_CG320_D: case M_CG640_E: 2850 case M_CG640x350: case M_ENH_CG640: 2851 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2852 2853 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2854 break; 2855 2856 default: 2857 /* call user defined function XXX */ 2858 break; 2859 } 2860 2861 /* set border color for this (virtual) console */ 2862 set_border(scp->border); 2863 return; 2864} 2865 2866void 2867set_border(int color) 2868{ 2869 inb(crtc_addr+6); /* reset flip-flop */ 2870 outb(ATC, 0x11); outb(ATC, color); 2871 inb(crtc_addr+6); /* reset flip-flop */ 2872 outb(ATC, 0x20); /* enable Palette */ 2873} 2874 2875static void 2876set_vgaregs(char *modetable) 2877{ 2878 int i, s = splhigh(); 2879 2880 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2881 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2882 for (i=0; i<4; i++) { /* program sequencer */ 2883 outb(TSIDX, i+1); 2884 outb(TSREG, modetable[i+5]); 2885 } 2886 outb(MISC, modetable[9]); /* set dot-clock */ 2887 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2888 outb(crtc_addr, 0x11); 2889 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2890 for (i=0; i<25; i++) { /* program crtc */ 2891 outb(crtc_addr, i); 2892 if (i == 14 || i == 15) /* no hardware cursor */ 2893 outb(crtc_addr+1, 0xff); 2894 else 2895 outb(crtc_addr+1, modetable[i+10]); 2896 } 2897 inb(crtc_addr+6); /* reset flip-flop */ 2898 for (i=0; i<20; i++) { /* program attribute ctrl */ 2899 outb(ATC, i); 2900 outb(ATC, modetable[i+35]); 2901 } 2902 for (i=0; i<9; i++) { /* program graph data ctrl */ 2903 outb(GDCIDX, i); 2904 outb(GDCREG, modetable[i+55]); 2905 } 2906 inb(crtc_addr+6); /* reset flip-flop */ 2907 outb(ATC ,0x20); /* enable palette */ 2908 splx(s); 2909} 2910 2911static void 2912set_font_mode() 2913{ 2914 /* setup vga for loading fonts (graphics plane mode) */ 2915 inb(crtc_addr+6); 2916 outb(ATC, 0x30); outb(ATC, 0x01); 2917#if SLOW_VGA 2918 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2919 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2920 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2921 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2922 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2923#else 2924 outw(TSIDX, 0x0402); 2925 outw(TSIDX, 0x0604); 2926 outw(GDCIDX, 0x0204); 2927 outw(GDCIDX, 0x0005); 2928 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2929#endif 2930} 2931 2932static void 2933set_normal_mode() 2934{ 2935 int s = splhigh(); 2936 2937 /* setup vga for normal operation mode again */ 2938 inb(crtc_addr+6); 2939 outb(ATC, 0x30); outb(ATC, 0x0C); 2940#if SLOW_VGA 2941 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2942 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2943 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2944 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2945 if (crtc_addr == MONO_BASE) { 2946 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2947 } 2948 else { 2949 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2950 } 2951#else 2952 outw(TSIDX, 0x0302); 2953 outw(TSIDX, 0x0204); 2954 outw(GDCIDX, 0x0004); 2955 outw(GDCIDX, 0x1005); 2956 if (crtc_addr == MONO_BASE) 2957 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2958 else 2959 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2960#endif 2961 splx(s); 2962} 2963 2964static void 2965copy_font(int operation, int font_type, char* font_image) 2966{ 2967 int ch, line, segment, fontsize; 2968 u_char val; 2969 2970 switch (font_type) { 2971 default: 2972 case FONT_8: 2973 segment = 0x8000; 2974 fontsize = 8; 2975 break; 2976 case FONT_14: 2977 segment = 0x4000; 2978 fontsize = 14; 2979 break; 2980 case FONT_16: 2981 segment = 0x0000; 2982 fontsize = 16; 2983 break; 2984 } 2985 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 2986 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2987 set_font_mode(); 2988 for (ch=0; ch < 256; ch++) 2989 for (line=0; line < fontsize; line++) 2990 if (operation) 2991 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 2992 font_image[(ch*fontsize)+line]; 2993 else 2994 font_image[(ch*fontsize)+line] = 2995 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 2996 set_normal_mode(); 2997 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 2998} 2999 3000static void 3001set_destructive_cursor(scr_stat *scp, int force) 3002{ 3003 u_char cursor[32]; 3004 caddr_t address; 3005 int i, font_size; 3006 char *font_buffer; 3007 static u_char old_saveunder = DEAD_CHAR; 3008 3009 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 3010 return; 3011 old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF; 3012 switch (scp->font) { 3013 default: 3014 case FONT_8: 3015 font_size = 8; 3016 font_buffer = font_8; 3017 address = (caddr_t)VIDEOMEM + 0x8000; 3018 break; 3019 case FONT_14: 3020 font_size = 14; 3021 font_buffer = font_14; 3022 address = (caddr_t)VIDEOMEM + 0x4000; 3023 break; 3024 case FONT_16: 3025 font_size = 16; 3026 font_buffer = font_16; 3027 address = (caddr_t)VIDEOMEM; 3028 break; 3029 } 3030 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 3031 cursor, font_size); 3032 for (i=0; i<32; i++) 3033 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3034 (scp->cursor_start >= font_size && i == font_size - 1)) 3035 cursor[i] |= 0xff; 3036 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3037 set_font_mode(); 3038 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3039 set_normal_mode(); 3040} 3041 3042static void 3043draw_mouse_image(scr_stat *scp) 3044{ 3045 caddr_t address; 3046 int i, font_size; 3047 char *font_buffer; 3048 u_short buffer[32]; 3049 u_short xoffset, yoffset; 3050 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 3051 3052 xoffset = scp->mouse_xpos % 8; 3053 switch (scp->font) { 3054 default: 3055 case FONT_8: 3056 font_size = 8; 3057 font_buffer = font_8; 3058 yoffset = scp->mouse_ypos % 8; 3059 address = (caddr_t)VIDEOMEM + 0x8000; 3060 break; 3061 case FONT_14: 3062 font_size = 14; 3063 font_buffer = font_14; 3064 yoffset = scp->mouse_ypos % 14; 3065 address = (caddr_t)VIDEOMEM + 0x4000; 3066 break; 3067 case FONT_16: 3068 font_size = 16; 3069 font_buffer = font_16; 3070 yoffset = scp->mouse_ypos % 16; 3071 address = (caddr_t)VIDEOMEM; 3072 break; 3073 } 3074 3075 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 3076 &scp->mouse_cursor[0], font_size); 3077 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 3078 &scp->mouse_cursor[32], font_size); 3079 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 3080 &scp->mouse_cursor[64], font_size); 3081 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 3082 &scp->mouse_cursor[96], font_size); 3083 3084 for (i=0; i<font_size; i++) { 3085 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 3086 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 3087 } 3088 for (i=0; i<16; i++) { 3089 buffer[i+yoffset] = 3090 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 3091 | (mouse_or_mask[i] >> xoffset); 3092 } 3093 for (i=0; i<font_size; i++) { 3094 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 3095 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 3096 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 3097 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 3098 } 3099 if (scp->status & UPDATE_MOUSE) { 3100 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 3101 3102 if (crt_pos != scp->mouse_oldpos) { 3103 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 3104 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 3105 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 3106 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 3107 } 3108 scp->mouse_saveunder[0] = *(scp->mouse_pos); 3109 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 3110 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 3111 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 3112 if ((scp->cursor_pos == (ptr)) || 3113 (scp->cursor_pos == (ptr+1)) || 3114 (scp->cursor_pos == (ptr+scp->xsize)) || 3115 (scp->cursor_pos == (ptr+scp->xsize+1)) || 3116 (scp->cursor_pos == (scp->mouse_pos)) || 3117 (scp->cursor_pos == (scp->mouse_pos+1)) || 3118 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 3119 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 3120 scp->status &= ~CURSOR_SHOWN; 3121 } 3122 scp->mouse_oldpos = crt_pos; 3123 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3124 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 3125 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 3126 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 3127 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 3128 set_font_mode(); 3129 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3130 set_normal_mode(); 3131} 3132 3133static void 3134save_palette(void) 3135{ 3136 int i; 3137 3138 outb(PALRADR, 0x00); 3139 for (i=0x00; i<0x300; i++) 3140 palette[i] = inb(PALDATA); 3141 inb(crtc_addr+6); /* reset flip/flop */ 3142} 3143 3144void 3145load_palette(void) 3146{ 3147 int i; 3148 3149 outb(PIXMASK, 0xFF); /* no pixelmask */ 3150 outb(PALWADR, 0x00); 3151 for (i=0x00; i<0x300; i++) 3152 outb(PALDATA, palette[i]); 3153 inb(crtc_addr+6); /* reset flip/flop */ 3154 outb(ATC, 0x20); /* enable palette */ 3155} 3156 3157static void 3158do_bell(scr_stat *scp, int pitch, int duration) 3159{ 3160 if (scp == cur_console) { 3161 if (configuration & VISUAL_BELL) { 3162 if (blink_in_progress) 3163 return; 3164 blink_in_progress = 4; 3165 blink_screen(scp); 3166 timeout((timeout_func_t)blink_screen, scp, hz/10); 3167 } 3168 else 3169 sysbeep(pitch, duration); 3170 } 3171} 3172 3173static void 3174blink_screen(scr_stat *scp) 3175{ 3176 if (blink_in_progress > 1) { 3177 if (blink_in_progress & 1) 3178 fillw(kernel_default.std_color | scr_map[0x20], 3179 Crtat, scp->xsize * scp->ysize); 3180 else 3181 fillw(kernel_default.rev_color | scr_map[0x20], 3182 Crtat, scp->xsize * scp->ysize); 3183 blink_in_progress--; 3184 timeout((timeout_func_t)blink_screen, scp, hz/10); 3185 } 3186 else { 3187 blink_in_progress = FALSE; 3188 mark_all(scp); 3189 if (delayed_next_scr) 3190 switch_scr(scp, delayed_next_scr - 1); 3191 } 3192} 3193 3194#endif /* NSC */ 3195