1 /* 2 * Copyright (c) 1996, by Steve Passe 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 * 2. The name of the developer may NOT be used to endorse or promote products 11 * derived from this software without specific prior written permission. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26 /* 27 * mptable.c 28 */ 29 30 #ifndef lint 31 static const char rcsid[] = 32 "$FreeBSD$"; 33 #endif /* not lint */ 34 35 /* 36 * this will cause the raw mp table to be dumped to /tmp/mpdump 37 * 38 #define RAW_DUMP 39 */ 40 41 #define MP_SIG 0x5f504d5f /* _MP_ */ 42 #define EXTENDED_PROCESSING_READY 43 #define OEM_PROCESSING_READY_NOT 44 45 #include <sys/param.h> 46 #include <sys/mman.h> 47 #include <x86/mptable.h> 48 #include <err.h> 49 #include <fcntl.h> 50 #include <paths.h> 51 #include <stdint.h> 52 #include <stdio.h> 53 #include <stdlib.h> 54 #include <string.h> 55 #include <unistd.h> 56 57 #define SEP_LINE \ 58 "\n-------------------------------------------------------------------------------\n" 59 60 #define SEP_LINE2 \ 61 "\n===============================================================================\n" 62 63 /* EBDA is @ 40:0e in real-mode terms */ 64 #define EBDA_POINTER 0x040e /* location of EBDA pointer */ 65 66 /* CMOS 'top of mem' is @ 40:13 in real-mode terms */ 67 #define TOPOFMEM_POINTER 0x0413 /* BIOS: base memory size */ 68 69 #define DEFAULT_TOPOFMEM 0xa0000 70 71 #define BIOS_BASE 0xf0000 72 #define BIOS_BASE2 0xe0000 73 #define BIOS_SIZE 0x10000 74 #define ONE_KBYTE 1024 75 76 #define GROPE_AREA1 0x80000 77 #define GROPE_AREA2 0x90000 78 #define GROPE_SIZE 0x10000 79 80 #define MAXPNSTR 132 81 82 typedef struct BUSTYPENAME { 83 u_char type; 84 char name[ 7 ]; 85 } busTypeName; 86 87 static const busTypeName busTypeTable[] = 88 { 89 { CBUS, "CBUS" }, 90 { CBUSII, "CBUSII" }, 91 { EISA, "EISA" }, 92 { UNKNOWN_BUSTYPE, "---" }, 93 { UNKNOWN_BUSTYPE, "---" }, 94 { ISA, "ISA" }, 95 { UNKNOWN_BUSTYPE, "---" }, 96 { UNKNOWN_BUSTYPE, "---" }, 97 { UNKNOWN_BUSTYPE, "---" }, 98 { UNKNOWN_BUSTYPE, "---" }, 99 { UNKNOWN_BUSTYPE, "---" }, 100 { UNKNOWN_BUSTYPE, "---" }, 101 { PCI, "PCI" }, 102 { UNKNOWN_BUSTYPE, "---" }, 103 { UNKNOWN_BUSTYPE, "---" }, 104 { UNKNOWN_BUSTYPE, "---" }, 105 { UNKNOWN_BUSTYPE, "---" }, 106 { UNKNOWN_BUSTYPE, "---" }, 107 { UNKNOWN_BUSTYPE, "---" } 108 }; 109 110 static const char *whereStrings[] = { 111 "Extended BIOS Data Area", 112 "BIOS top of memory", 113 "Default top of memory", 114 "BIOS", 115 "Extended BIOS", 116 "GROPE AREA #1", 117 "GROPE AREA #2" 118 }; 119 120 static void apic_probe( u_int32_t* paddr, int* where ); 121 122 static void MPConfigDefault( int featureByte ); 123 124 static void MPFloatingPointer( u_int32_t paddr, int where, mpfps_t* mpfpsp ); 125 static void MPConfigTableHeader( u_int32_t pap ); 126 127 static void seekEntry( u_int32_t addr ); 128 static void readEntry( void* entry, int size ); 129 static void *mapEntry( u_int32_t addr, int size ); 130 131 static void processorEntry( proc_entry_ptr entry ); 132 static void busEntry( bus_entry_ptr entry ); 133 static void ioApicEntry( io_apic_entry_ptr entry ); 134 static void intEntry( int_entry_ptr entry ); 135 136 static void sasEntry( sas_entry_ptr entry ); 137 static void bhdEntry( bhd_entry_ptr entry ); 138 static void cbasmEntry( cbasm_entry_ptr entry ); 139 140 static void doDmesg( void ); 141 static void pnstr( char* s, int c ); 142 143 /* global data */ 144 static int pfd; /* physical /dev/mem fd */ 145 146 static int busses[256]; 147 static int apics[256]; 148 149 static int ncpu; 150 static int nbus; 151 static int napic; 152 static int nintr; 153 154 static int dmesg; 155 static int grope; 156 static int verbose; 157 158 static void 159 usage( void ) 160 { 161 fprintf( stderr, "usage: mptable [-dmesg] [-verbose] [-grope] [-help]\n" ); 162 exit( 0 ); 163 } 164 165 /* 166 * 167 */ 168 int 169 main( int argc, char *argv[] ) 170 { 171 u_int32_t paddr; 172 int where; 173 mpfps_t mpfps; 174 int defaultConfig; 175 176 int ch; 177 178 /* announce ourselves */ 179 puts( SEP_LINE2 ); 180 181 printf( "MPTable\n" ); 182 183 while ((ch = getopt(argc, argv, "d:g:h:v:")) != -1) { 184 switch(ch) { 185 case 'd': 186 if ( strcmp( optarg, "mesg") == 0 ) 187 dmesg = 1; 188 else 189 dmesg = 0; 190 break; 191 case 'h': 192 if ( strcmp( optarg, "elp") == 0 ) 193 usage(); 194 break; 195 case 'g': 196 if ( strcmp( optarg, "rope") == 0 ) 197 grope = 1; 198 break; 199 case 'v': 200 if ( strcmp( optarg, "erbose") == 0 ) 201 verbose = 1; 202 break; 203 default: 204 usage(); 205 } 206 argc -= optind; 207 argv += optind; 208 optreset = 1; 209 optind = 0; 210 } 211 212 /* open physical memory for access to MP structures */ 213 if ( (pfd = open( _PATH_MEM, O_RDONLY )) < 0 ) 214 err( 1, "mem open" ); 215 216 /* probe for MP structures */ 217 apic_probe( &paddr, &where ); 218 if ( where <= 0 ) { 219 fprintf( stderr, "\n MP FPS NOT found,\n" ); 220 if (!grope) 221 fprintf( stderr, " suggest trying -grope option!!!\n\n" ); 222 return 1; 223 } 224 225 if ( verbose ) 226 printf( "\n MP FPS found in %s @ physical addr: 0x%08x\n", 227 whereStrings[ where - 1 ], paddr ); 228 229 puts( SEP_LINE ); 230 231 /* analyze the MP Floating Pointer Structure */ 232 MPFloatingPointer( paddr, where, &mpfps ); 233 234 puts( SEP_LINE ); 235 236 /* check whether an MP config table exists */ 237 if ( (defaultConfig = mpfps->config_type) ) 238 MPConfigDefault( defaultConfig ); 239 else 240 MPConfigTableHeader( mpfps->pap ); 241 242 /* do a dmesg output */ 243 if ( dmesg ) 244 doDmesg(); 245 246 puts( SEP_LINE2 ); 247 248 return 0; 249 } 250 251 252 /* 253 * set PHYSICAL address of MP floating pointer structure 254 */ 255 #define NEXT(X) ((X) += 4) 256 static void 257 apic_probe( u_int32_t* paddr, int* where ) 258 { 259 /* 260 * c rewrite of apic_probe() by Jack F. Vogel 261 */ 262 263 int x; 264 u_short segment; 265 u_int32_t target; 266 u_int buffer[ BIOS_SIZE / sizeof( int ) ]; 267 268 if ( verbose ) 269 printf( "\n" ); 270 271 /* search Extended Bios Data Area, if present */ 272 if ( verbose ) 273 printf( " looking for EBDA pointer @ 0x%04x, ", EBDA_POINTER ); 274 seekEntry( (u_int32_t)EBDA_POINTER ); 275 readEntry( &segment, 2 ); 276 if ( segment ) { /* search EBDA */ 277 target = (u_int32_t)segment << 4; 278 if ( verbose ) 279 printf( "found, searching EBDA @ 0x%08x\n", target ); 280 seekEntry( target ); 281 readEntry( buffer, ONE_KBYTE ); 282 283 for ( x = 0; x < ONE_KBYTE / (int)sizeof ( unsigned int ); NEXT(x) ) { 284 if ( buffer[ x ] == MP_SIG ) { 285 *where = 1; 286 *paddr = (x * sizeof( unsigned int )) + target; 287 return; 288 } 289 } 290 } 291 else { 292 if ( verbose ) 293 printf( "NOT found\n" ); 294 } 295 296 /* read CMOS for real top of mem */ 297 seekEntry( (u_int32_t)TOPOFMEM_POINTER ); 298 readEntry( &segment, 2 ); 299 --segment; /* less ONE_KBYTE */ 300 target = segment * 1024; 301 if ( verbose ) 302 printf( " searching CMOS 'top of mem' @ 0x%08x (%dK)\n", 303 target, segment ); 304 seekEntry( target ); 305 readEntry( buffer, ONE_KBYTE ); 306 307 for ( x = 0; x < ONE_KBYTE / (int)sizeof ( unsigned int ); NEXT(x) ) { 308 if ( buffer[ x ] == MP_SIG ) { 309 *where = 2; 310 *paddr = (x * sizeof( unsigned int )) + target; 311 return; 312 } 313 } 314 315 /* we don't necessarily believe CMOS, check base of the last 1K of 640K */ 316 if ( target != (DEFAULT_TOPOFMEM - 1024)) { 317 target = (DEFAULT_TOPOFMEM - 1024); 318 if ( verbose ) 319 printf( " searching default 'top of mem' @ 0x%08x (%dK)\n", 320 target, (target / 1024) ); 321 seekEntry( target ); 322 readEntry( buffer, ONE_KBYTE ); 323 324 for ( x = 0; x < ONE_KBYTE / (int)sizeof ( unsigned int ); NEXT(x) ) { 325 if ( buffer[ x ] == MP_SIG ) { 326 *where = 3; 327 *paddr = (x * sizeof( unsigned int )) + target; 328 return; 329 } 330 } 331 } 332 333 /* search the BIOS */ 334 if ( verbose ) 335 printf( " searching BIOS @ 0x%08x\n", BIOS_BASE ); 336 seekEntry( BIOS_BASE ); 337 readEntry( buffer, BIOS_SIZE ); 338 339 for ( x = 0; x < BIOS_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) { 340 if ( buffer[ x ] == MP_SIG ) { 341 *where = 4; 342 *paddr = (x * sizeof( unsigned int )) + BIOS_BASE; 343 return; 344 } 345 } 346 347 /* search the extended BIOS */ 348 if ( verbose ) 349 printf( " searching extended BIOS @ 0x%08x\n", BIOS_BASE2 ); 350 seekEntry( BIOS_BASE2 ); 351 readEntry( buffer, BIOS_SIZE ); 352 353 for ( x = 0; x < BIOS_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) { 354 if ( buffer[ x ] == MP_SIG ) { 355 *where = 5; 356 *paddr = (x * sizeof( unsigned int )) + BIOS_BASE2; 357 return; 358 } 359 } 360 361 if ( grope ) { 362 /* search additional memory */ 363 target = GROPE_AREA1; 364 if ( verbose ) 365 printf( " groping memory @ 0x%08x\n", target ); 366 seekEntry( target ); 367 readEntry( buffer, GROPE_SIZE ); 368 369 for ( x = 0; x < GROPE_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) { 370 if ( buffer[ x ] == MP_SIG ) { 371 *where = 6; 372 *paddr = (x * sizeof( unsigned int )) + GROPE_AREA1; 373 return; 374 } 375 } 376 377 target = GROPE_AREA2; 378 if ( verbose ) 379 printf( " groping memory @ 0x%08x\n", target ); 380 seekEntry( target ); 381 readEntry( buffer, GROPE_SIZE ); 382 383 for ( x = 0; x < GROPE_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) { 384 if ( buffer[ x ] == MP_SIG ) { 385 *where = 7; 386 *paddr = (x * sizeof( unsigned int )) + GROPE_AREA2; 387 return; 388 } 389 } 390 } 391 392 *where = 0; 393 *paddr = (u_int32_t)0; 394 } 395 396 397 /* 398 * 399 */ 400 static void 401 MPFloatingPointer( u_int32_t paddr, int where, mpfps_t* mpfpsp ) 402 { 403 mpfps_t mpfps; 404 405 /* map in mpfps structure*/ 406 *mpfpsp = mpfps = mapEntry( paddr, sizeof( *mpfps ) ); 407 408 /* show its contents */ 409 printf( "MP Floating Pointer Structure:\n\n" ); 410 411 printf( " location:\t\t\t" ); 412 switch ( where ) 413 { 414 case 1: 415 printf( "EBDA\n" ); 416 break; 417 case 2: 418 printf( "BIOS base memory\n" ); 419 break; 420 case 3: 421 printf( "DEFAULT base memory (639K)\n" ); 422 break; 423 case 4: 424 printf( "BIOS\n" ); 425 break; 426 case 5: 427 printf( "Extended BIOS\n" ); 428 break; 429 430 case 0: 431 printf( "NOT found!\n" ); 432 exit( 1 ); 433 default: 434 printf( "BOGUS!\n" ); 435 exit( 1 ); 436 } 437 printf( " physical address:\t\t0x%08x\n", paddr ); 438 439 printf( " signature:\t\t\t'" ); 440 pnstr( mpfps->signature, 4 ); 441 printf( "'\n" ); 442 443 printf( " length:\t\t\t%d bytes\n", mpfps->length * 16 ); 444 printf( " version:\t\t\t1.%1d\n", mpfps->spec_rev ); 445 printf( " checksum:\t\t\t0x%02x\n", mpfps->checksum ); 446 447 /* bits 0:6 are RESERVED */ 448 if ( mpfps->mpfb2 & 0x7f ) { 449 printf( " warning, MP feature byte 2: 0x%02x\n", mpfps->mpfb2 ); 450 } 451 452 /* bit 7 is IMCRP */ 453 printf( " mode:\t\t\t\t%s\n", (mpfps->mpfb2 & MPFB2_IMCR_PRESENT) ? 454 "PIC" : "Virtual Wire" ); 455 456 /* MP feature bytes 3-5 are expected to be ZERO */ 457 if ( mpfps->mpfb3 ) 458 printf( " warning, MP feature byte 3 NONZERO!\n" ); 459 if ( mpfps->mpfb4 ) 460 printf( " warning, MP feature byte 4 NONZERO!\n" ); 461 if ( mpfps->mpfb5 ) 462 printf( " warning, MP feature byte 5 NONZERO!\n" ); 463 } 464 465 466 /* 467 * 468 */ 469 static void 470 MPConfigDefault( int featureByte ) 471 { 472 printf( " MP default config type: %d\n\n", featureByte ); 473 switch ( featureByte ) { 474 case 1: 475 printf( " bus: ISA, APIC: 82489DX\n" ); 476 break; 477 case 2: 478 printf( " bus: EISA, APIC: 82489DX\n" ); 479 break; 480 case 3: 481 printf( " bus: EISA, APIC: 82489DX\n" ); 482 break; 483 case 4: 484 printf( " bus: MCA, APIC: 82489DX\n" ); 485 break; 486 case 5: 487 printf( " bus: ISA+PCI, APIC: Integrated\n" ); 488 break; 489 case 6: 490 printf( " bus: EISA+PCI, APIC: Integrated\n" ); 491 break; 492 case 7: 493 printf( " bus: MCA+PCI, APIC: Integrated\n" ); 494 break; 495 default: 496 printf( " future type\n" ); 497 break; 498 } 499 500 switch ( featureByte ) { 501 case 1: 502 case 2: 503 case 3: 504 case 4: 505 nbus = 1; 506 break; 507 case 5: 508 case 6: 509 case 7: 510 nbus = 2; 511 break; 512 default: 513 printf( " future type\n" ); 514 break; 515 } 516 517 ncpu = 2; 518 napic = 1; 519 nintr = 16; 520 } 521 522 523 /* 524 * 525 */ 526 static void 527 MPConfigTableHeader( u_int32_t pap ) 528 { 529 mpcth_t cth; 530 int x; 531 int totalSize; 532 int c; 533 int oldtype, entrytype; 534 u_int8_t *entry; 535 536 if ( pap == 0 ) { 537 printf( "MP Configuration Table Header MISSING!\n" ); 538 exit( 1 ); 539 } 540 541 /* map in cth structure */ 542 cth = mapEntry( pap, sizeof( *cth ) ); 543 544 printf( "MP Config Table Header:\n\n" ); 545 546 printf( " physical address:\t\t0x%08x\n", pap ); 547 548 printf( " signature:\t\t\t'" ); 549 pnstr( cth->signature, 4 ); 550 printf( "'\n" ); 551 552 printf( " base table length:\t\t%d\n", cth->base_table_length ); 553 554 printf( " version:\t\t\t1.%1d\n", cth->spec_rev ); 555 printf( " checksum:\t\t\t0x%02x\n", cth->checksum ); 556 557 printf( " OEM ID:\t\t\t'" ); 558 pnstr( cth->oem_id, 8 ); 559 printf( "'\n" ); 560 561 printf( " Product ID:\t\t\t'" ); 562 pnstr( cth->product_id, 12 ); 563 printf( "'\n" ); 564 565 printf( " OEM table pointer:\t\t0x%08x\n", cth->oem_table_pointer ); 566 printf( " OEM table size:\t\t%d\n", cth->oem_table_size ); 567 568 printf( " entry count:\t\t\t%d\n", cth->entry_count ); 569 570 printf( " local APIC address:\t\t0x%08x\n", cth->apic_address ); 571 572 printf( " extended table length:\t%d\n", cth->extended_table_length ); 573 printf( " extended table checksum:\t%d\n", cth->extended_table_checksum ); 574 575 totalSize = cth->base_table_length - sizeof( struct MPCTH ); 576 577 puts( SEP_LINE ); 578 579 printf( "MP Config Base Table Entries:\n\n" ); 580 581 /* initialize tables */ 582 for (x = 0; x < (int)nitems(busses); x++) 583 busses[x] = 0xff; 584 585 for (x = 0; x < (int)nitems(apics); x++) 586 apics[x] = 0xff; 587 588 ncpu = 0; 589 nbus = 0; 590 napic = 0; 591 nintr = 0; 592 593 oldtype = -1; 594 entry = mapEntry(pap + sizeof(*cth), cth->base_table_length); 595 for (c = cth->entry_count; c; c--) { 596 entrytype = *entry; 597 if (entrytype != oldtype) 598 printf("--\n"); 599 if (entrytype < oldtype) 600 printf("MPTABLE OUT OF ORDER!\n"); 601 switch (entrytype) { 602 case MPCT_ENTRY_PROCESSOR: 603 if (oldtype != MPCT_ENTRY_PROCESSOR) 604 printf( "Processors:\tAPIC ID\tVersion\tState" 605 "\t\tFamily\tModel\tStep\tFlags\n" ); 606 processorEntry((proc_entry_ptr)entry); 607 entry += sizeof(struct PROCENTRY); 608 break; 609 610 case MPCT_ENTRY_BUS: 611 if (oldtype != MPCT_ENTRY_BUS) 612 printf( "Bus:\t\tBus ID\tType\n" ); 613 busEntry((bus_entry_ptr)entry); 614 entry += sizeof(struct BUSENTRY); 615 break; 616 617 case MPCT_ENTRY_IOAPIC: 618 if (oldtype != MPCT_ENTRY_IOAPIC) 619 printf( "I/O APICs:\tAPIC ID\tVersion\tState\t\tAddress\n" ); 620 ioApicEntry((io_apic_entry_ptr)entry); 621 entry += sizeof(struct IOAPICENTRY); 622 break; 623 624 case MPCT_ENTRY_INT: 625 if (oldtype != MPCT_ENTRY_INT) 626 printf( "I/O Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#\n" ); 627 intEntry((int_entry_ptr)entry); 628 entry += sizeof(struct INTENTRY); 629 break; 630 631 case MPCT_ENTRY_LOCAL_INT: 632 if (oldtype != MPCT_ENTRY_LOCAL_INT) 633 printf( "Local Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#\n" ); 634 intEntry((int_entry_ptr)entry); 635 entry += sizeof(struct INTENTRY); 636 break; 637 638 default: 639 printf("MPTABLE HOSED! record type = %d\n", entrytype); 640 exit(1); 641 } 642 oldtype = entrytype; 643 } 644 645 646 #if defined( EXTENDED_PROCESSING_READY ) 647 /* process any extended data */ 648 if ( cth->extended_table_length ) { 649 ext_entry_ptr ext_entry, end; 650 651 puts( SEP_LINE ); 652 653 printf( "MP Config Extended Table Entries:\n\n" ); 654 655 ext_entry = mapEntry(pap + cth->base_table_length, 656 cth->extended_table_length); 657 end = (ext_entry_ptr)((char *)ext_entry + cth->extended_table_length); 658 while (ext_entry < end) { 659 switch (ext_entry->type) { 660 case MPCT_EXTENTRY_SAS: 661 sasEntry((sas_entry_ptr)ext_entry); 662 break; 663 case MPCT_EXTENTRY_BHD: 664 bhdEntry((bhd_entry_ptr)ext_entry); 665 break; 666 case MPCT_EXTENTRY_CBASM: 667 cbasmEntry((cbasm_entry_ptr)ext_entry); 668 break; 669 default: 670 printf( "Extended Table HOSED!\n" ); 671 exit( 1 ); 672 } 673 674 ext_entry = (ext_entry_ptr)((char *)ext_entry + ext_entry->length); 675 } 676 } 677 #endif /* EXTENDED_PROCESSING_READY */ 678 679 /* process any OEM data */ 680 if ( cth->oem_table_pointer && (cth->oem_table_size > 0) ) { 681 #if defined( OEM_PROCESSING_READY ) 682 # error your on your own here! 683 /* map in oem table structure */ 684 oemdata = mapEntry( cth->oem_table_pointer, cth->oem_table_size); 685 686 /** process it */ 687 #else 688 printf( "\nyou need to modify the source to handle OEM data!\n\n" ); 689 #endif /* OEM_PROCESSING_READY */ 690 } 691 692 fflush( stdout ); 693 694 #if defined( RAW_DUMP ) 695 { 696 int ofd; 697 void *dumpbuf; 698 699 ofd = open( "/tmp/mpdump", O_CREAT | O_RDWR, 0666 ); 700 701 dumpbuf = mapEntry( paddr, 1024 ); 702 write( ofd, dumpbuf, 1024 ); 703 close( ofd ); 704 } 705 #endif /* RAW_DUMP */ 706 } 707 708 709 /* 710 * 711 */ 712 static void 713 seekEntry( u_int32_t addr ) 714 { 715 if ( lseek( pfd, (off_t)addr, SEEK_SET ) < 0 ) 716 err( 1, "%s seek", _PATH_MEM ); 717 } 718 719 720 /* 721 * 722 */ 723 static void 724 readEntry( void* entry, int size ) 725 { 726 if ( read( pfd, entry, size ) != size ) 727 err( 1, "readEntry" ); 728 } 729 730 static void * 731 mapEntry( u_int32_t addr, int size ) 732 { 733 void *p; 734 735 p = mmap( NULL, size, PROT_READ, MAP_SHARED, pfd, addr ); 736 if (p == MAP_FAILED) 737 err( 1, "mapEntry" ); 738 return (p); 739 } 740 741 static void 742 processorEntry( proc_entry_ptr entry ) 743 { 744 745 /* count it */ 746 ++ncpu; 747 748 printf( "\t\t%2d", entry->apic_id ); 749 printf( "\t 0x%2x", entry->apic_version ); 750 751 printf( "\t %s, %s", 752 (entry->cpu_flags & PROCENTRY_FLAG_BP) ? "BSP" : "AP", 753 (entry->cpu_flags & PROCENTRY_FLAG_EN) ? "usable" : "unusable" ); 754 755 printf( "\t %d\t %d\t %d", 756 (entry->cpu_signature >> 8) & 0x0f, 757 (entry->cpu_signature >> 4) & 0x0f, 758 entry->cpu_signature & 0x0f ); 759 760 printf( "\t 0x%04x\n", entry->feature_flags ); 761 } 762 763 764 /* 765 * 766 */ 767 static int 768 lookupBusType( char* name ) 769 { 770 int x; 771 772 for ( x = 0; x < MAX_BUSTYPE; ++x ) 773 if ( strcmp( busTypeTable[ x ].name, name ) == 0 ) 774 return busTypeTable[ x ].type; 775 776 return UNKNOWN_BUSTYPE; 777 } 778 779 780 static void 781 busEntry( bus_entry_ptr entry ) 782 { 783 int x; 784 char name[ 8 ]; 785 char c; 786 787 /* count it */ 788 ++nbus; 789 790 printf( "\t\t%2d", entry->bus_id ); 791 printf( "\t " ); pnstr( entry->bus_type, 6 ); printf( "\n" ); 792 793 for ( x = 0; x < 6; ++x ) { 794 if ( (c = entry->bus_type[ x ]) == ' ' ) 795 break; 796 name[ x ] = c; 797 } 798 name[ x ] = '\0'; 799 busses[ entry->bus_id ] = lookupBusType( name ); 800 } 801 802 803 static void 804 ioApicEntry( io_apic_entry_ptr entry ) 805 { 806 807 /* count it */ 808 ++napic; 809 810 printf( "\t\t%2d", entry->apic_id ); 811 printf( "\t 0x%02x", entry->apic_version ); 812 printf( "\t %s", 813 (entry->apic_flags & IOAPICENTRY_FLAG_EN) ? "usable" : "unusable" ); 814 printf( "\t\t 0x%x\n", entry->apic_address ); 815 816 apics[ entry->apic_id ] = entry->apic_id; 817 } 818 819 820 static const char *intTypes[] = { 821 "INT", "NMI", "SMI", "ExtINT" 822 }; 823 824 static const char *polarityMode[] = { 825 "conforms", "active-hi", "reserved", "active-lo" 826 }; 827 static const char *triggerMode[] = { 828 "conforms", "edge", "reserved", "level" 829 }; 830 831 static void 832 intEntry( int_entry_ptr entry ) 833 { 834 835 /* count it */ 836 if ( entry->type == MPCT_ENTRY_INT ) 837 ++nintr; 838 839 printf( "\t\t%s", intTypes[ entry->int_type ] ); 840 841 printf( "\t%9s", polarityMode[ entry->int_flags & INTENTRY_FLAGS_POLARITY ] ); 842 printf( "%12s", triggerMode[ (entry->int_flags & INTENTRY_FLAGS_TRIGGER) >> 2 ] ); 843 844 printf( "\t %5d", entry->src_bus_id ); 845 if ( busses[ entry->src_bus_id ] == PCI ) 846 printf( "\t%2d:%c", 847 (entry->src_bus_irq >> 2) & 0x1f, 848 (entry->src_bus_irq & 0x03) + 'A' ); 849 else 850 printf( "\t %3d", entry->src_bus_irq ); 851 printf( "\t %6d", entry->dst_apic_id ); 852 printf( "\t %3d\n", entry->dst_apic_int ); 853 } 854 855 856 static void 857 sasEntry( sas_entry_ptr entry ) 858 { 859 860 printf( "--\nSystem Address Space\n"); 861 printf( " bus ID: %d", entry->bus_id ); 862 printf( " address type: " ); 863 switch ( entry->address_type ) { 864 case SASENTRY_TYPE_IO: 865 printf( "I/O address\n" ); 866 break; 867 case SASENTRY_TYPE_MEMORY: 868 printf( "memory address\n" ); 869 break; 870 case SASENTRY_TYPE_PREFETCH: 871 printf( "prefetch address\n" ); 872 break; 873 default: 874 printf( "UNKNOWN type\n" ); 875 break; 876 } 877 878 printf( " address base: 0x%jx\n", (uintmax_t)entry->address_base ); 879 printf( " address range: 0x%jx\n", (uintmax_t)entry->address_length ); 880 } 881 882 883 static void 884 bhdEntry( bhd_entry_ptr entry ) 885 { 886 887 printf( "--\nBus Hierarchy\n" ); 888 printf( " bus ID: %d", entry->bus_id ); 889 printf( " bus info: 0x%02x", entry->bus_info ); 890 printf( " parent bus ID: %d\n", entry->parent_bus ); 891 } 892 893 894 static void 895 cbasmEntry( cbasm_entry_ptr entry ) 896 { 897 898 printf( "--\nCompatibility Bus Address\n" ); 899 printf( " bus ID: %d", entry->bus_id ); 900 printf( " address modifier: %s\n", 901 (entry->address_mod & CBASMENTRY_ADDRESS_MOD_SUBTRACT) ? 902 "subtract" : "add" ); 903 printf( " predefined range: 0x%08x\n", entry->predefined_range ); 904 } 905 906 907 /* 908 * do a dmesg output 909 */ 910 static void 911 doDmesg( void ) 912 { 913 puts( SEP_LINE ); 914 915 printf( "dmesg output:\n\n" ); 916 fflush( stdout ); 917 system( "dmesg" ); 918 } 919 920 921 /* 922 * 923 */ 924 static void 925 pnstr( char* s, int c ) 926 { 927 char string[ MAXPNSTR + 1 ]; 928 929 if ( c > MAXPNSTR ) 930 c = MAXPNSTR; 931 strncpy( string, s, c ); 932 string[ c ] = '\0'; 933 printf( "%s", string ); 934 } 935