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 fprintf( stderr, " suggest trying -grope option!!!\n\n" ); 221 return 1; 222 } 223 224 if ( verbose ) 225 printf( "\n MP FPS found in %s @ physical addr: 0x%08x\n", 226 whereStrings[ where - 1 ], paddr ); 227 228 puts( SEP_LINE ); 229 230 /* analyze the MP Floating Pointer Structure */ 231 MPFloatingPointer( paddr, where, &mpfps ); 232 233 puts( SEP_LINE ); 234 235 /* check whether an MP config table exists */ 236 if ( (defaultConfig = mpfps->config_type) ) 237 MPConfigDefault( defaultConfig ); 238 else 239 MPConfigTableHeader( mpfps->pap ); 240 241 /* do a dmesg output */ 242 if ( dmesg ) 243 doDmesg(); 244 245 puts( SEP_LINE2 ); 246 247 return 0; 248 } 249 250 251 /* 252 * set PHYSICAL address of MP floating pointer structure 253 */ 254 #define NEXT(X) ((X) += 4) 255 static void 256 apic_probe( u_int32_t* paddr, int* where ) 257 { 258 /* 259 * c rewrite of apic_probe() by Jack F. Vogel 260 */ 261 262 int x; 263 u_short segment; 264 u_int32_t target; 265 u_int buffer[ BIOS_SIZE / sizeof( int ) ]; 266 267 if ( verbose ) 268 printf( "\n" ); 269 270 /* search Extended Bios Data Area, if present */ 271 if ( verbose ) 272 printf( " looking for EBDA pointer @ 0x%04x, ", EBDA_POINTER ); 273 seekEntry( (u_int32_t)EBDA_POINTER ); 274 readEntry( &segment, 2 ); 275 if ( segment ) { /* search EBDA */ 276 target = (u_int32_t)segment << 4; 277 if ( verbose ) 278 printf( "found, searching EBDA @ 0x%08x\n", target ); 279 seekEntry( target ); 280 readEntry( buffer, ONE_KBYTE ); 281 282 for ( x = 0; x < ONE_KBYTE / (int)sizeof ( unsigned int ); NEXT(x) ) { 283 if ( buffer[ x ] == MP_SIG ) { 284 *where = 1; 285 *paddr = (x * sizeof( unsigned int )) + target; 286 return; 287 } 288 } 289 } 290 else { 291 if ( verbose ) 292 printf( "NOT found\n" ); 293 } 294 295 /* read CMOS for real top of mem */ 296 seekEntry( (u_int32_t)TOPOFMEM_POINTER ); 297 readEntry( &segment, 2 ); 298 --segment; /* less ONE_KBYTE */ 299 target = segment * 1024; 300 if ( verbose ) 301 printf( " searching CMOS 'top of mem' @ 0x%08x (%dK)\n", 302 target, segment ); 303 seekEntry( target ); 304 readEntry( buffer, ONE_KBYTE ); 305 306 for ( x = 0; x < ONE_KBYTE / (int)sizeof ( unsigned int ); NEXT(x) ) { 307 if ( buffer[ x ] == MP_SIG ) { 308 *where = 2; 309 *paddr = (x * sizeof( unsigned int )) + target; 310 return; 311 } 312 } 313 314 /* we don't necessarily believe CMOS, check base of the last 1K of 640K */ 315 if ( target != (DEFAULT_TOPOFMEM - 1024)) { 316 target = (DEFAULT_TOPOFMEM - 1024); 317 if ( verbose ) 318 printf( " searching default 'top of mem' @ 0x%08x (%dK)\n", 319 target, (target / 1024) ); 320 seekEntry( target ); 321 readEntry( buffer, ONE_KBYTE ); 322 323 for ( x = 0; x < ONE_KBYTE / (int)sizeof ( unsigned int ); NEXT(x) ) { 324 if ( buffer[ x ] == MP_SIG ) { 325 *where = 3; 326 *paddr = (x * sizeof( unsigned int )) + target; 327 return; 328 } 329 } 330 } 331 332 /* search the BIOS */ 333 if ( verbose ) 334 printf( " searching BIOS @ 0x%08x\n", BIOS_BASE ); 335 seekEntry( BIOS_BASE ); 336 readEntry( buffer, BIOS_SIZE ); 337 338 for ( x = 0; x < BIOS_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) { 339 if ( buffer[ x ] == MP_SIG ) { 340 *where = 4; 341 *paddr = (x * sizeof( unsigned int )) + BIOS_BASE; 342 return; 343 } 344 } 345 346 /* search the extended BIOS */ 347 if ( verbose ) 348 printf( " searching extended BIOS @ 0x%08x\n", BIOS_BASE2 ); 349 seekEntry( BIOS_BASE2 ); 350 readEntry( buffer, BIOS_SIZE ); 351 352 for ( x = 0; x < BIOS_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) { 353 if ( buffer[ x ] == MP_SIG ) { 354 *where = 5; 355 *paddr = (x * sizeof( unsigned int )) + BIOS_BASE2; 356 return; 357 } 358 } 359 360 if ( grope ) { 361 /* search additional memory */ 362 target = GROPE_AREA1; 363 if ( verbose ) 364 printf( " groping memory @ 0x%08x\n", target ); 365 seekEntry( target ); 366 readEntry( buffer, GROPE_SIZE ); 367 368 for ( x = 0; x < GROPE_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) { 369 if ( buffer[ x ] == MP_SIG ) { 370 *where = 6; 371 *paddr = (x * sizeof( unsigned int )) + GROPE_AREA1; 372 return; 373 } 374 } 375 376 target = GROPE_AREA2; 377 if ( verbose ) 378 printf( " groping memory @ 0x%08x\n", target ); 379 seekEntry( target ); 380 readEntry( buffer, GROPE_SIZE ); 381 382 for ( x = 0; x < GROPE_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) { 383 if ( buffer[ x ] == MP_SIG ) { 384 *where = 7; 385 *paddr = (x * sizeof( unsigned int )) + GROPE_AREA2; 386 return; 387 } 388 } 389 } 390 391 *where = 0; 392 *paddr = (u_int32_t)0; 393 } 394 395 396 /* 397 * 398 */ 399 static void 400 MPFloatingPointer( u_int32_t paddr, int where, mpfps_t* mpfpsp ) 401 { 402 mpfps_t mpfps; 403 404 /* map in mpfps structure*/ 405 *mpfpsp = mpfps = mapEntry( paddr, sizeof( *mpfps ) ); 406 407 /* show its contents */ 408 printf( "MP Floating Pointer Structure:\n\n" ); 409 410 printf( " location:\t\t\t" ); 411 switch ( where ) 412 { 413 case 1: 414 printf( "EBDA\n" ); 415 break; 416 case 2: 417 printf( "BIOS base memory\n" ); 418 break; 419 case 3: 420 printf( "DEFAULT base memory (639K)\n" ); 421 break; 422 case 4: 423 printf( "BIOS\n" ); 424 break; 425 case 5: 426 printf( "Extended BIOS\n" ); 427 break; 428 429 case 0: 430 printf( "NOT found!\n" ); 431 exit( 1 ); 432 default: 433 printf( "BOGUS!\n" ); 434 exit( 1 ); 435 } 436 printf( " physical address:\t\t0x%08x\n", paddr ); 437 438 printf( " signature:\t\t\t'" ); 439 pnstr( mpfps->signature, 4 ); 440 printf( "'\n" ); 441 442 printf( " length:\t\t\t%d bytes\n", mpfps->length * 16 ); 443 printf( " version:\t\t\t1.%1d\n", mpfps->spec_rev ); 444 printf( " checksum:\t\t\t0x%02x\n", mpfps->checksum ); 445 446 /* bits 0:6 are RESERVED */ 447 if ( mpfps->mpfb2 & 0x7f ) { 448 printf( " warning, MP feature byte 2: 0x%02x\n", mpfps->mpfb2 ); 449 } 450 451 /* bit 7 is IMCRP */ 452 printf( " mode:\t\t\t\t%s\n", (mpfps->mpfb2 & MPFB2_IMCR_PRESENT) ? 453 "PIC" : "Virtual Wire" ); 454 455 /* MP feature bytes 3-5 are expected to be ZERO */ 456 if ( mpfps->mpfb3 ) 457 printf( " warning, MP feature byte 3 NONZERO!\n" ); 458 if ( mpfps->mpfb4 ) 459 printf( " warning, MP feature byte 4 NONZERO!\n" ); 460 if ( mpfps->mpfb5 ) 461 printf( " warning, MP feature byte 5 NONZERO!\n" ); 462 } 463 464 465 /* 466 * 467 */ 468 static void 469 MPConfigDefault( int featureByte ) 470 { 471 printf( " MP default config type: %d\n\n", featureByte ); 472 switch ( featureByte ) { 473 case 1: 474 printf( " bus: ISA, APIC: 82489DX\n" ); 475 break; 476 case 2: 477 printf( " bus: EISA, APIC: 82489DX\n" ); 478 break; 479 case 3: 480 printf( " bus: EISA, APIC: 82489DX\n" ); 481 break; 482 case 4: 483 printf( " bus: MCA, APIC: 82489DX\n" ); 484 break; 485 case 5: 486 printf( " bus: ISA+PCI, APIC: Integrated\n" ); 487 break; 488 case 6: 489 printf( " bus: EISA+PCI, APIC: Integrated\n" ); 490 break; 491 case 7: 492 printf( " bus: MCA+PCI, APIC: Integrated\n" ); 493 break; 494 default: 495 printf( " future type\n" ); 496 break; 497 } 498 499 switch ( featureByte ) { 500 case 1: 501 case 2: 502 case 3: 503 case 4: 504 nbus = 1; 505 break; 506 case 5: 507 case 6: 508 case 7: 509 nbus = 2; 510 break; 511 default: 512 printf( " future type\n" ); 513 break; 514 } 515 516 ncpu = 2; 517 napic = 1; 518 nintr = 16; 519 } 520 521 522 /* 523 * 524 */ 525 static void 526 MPConfigTableHeader( u_int32_t pap ) 527 { 528 mpcth_t cth; 529 int x; 530 int totalSize; 531 int c; 532 int oldtype, entrytype; 533 u_int8_t *entry; 534 535 if ( pap == 0 ) { 536 printf( "MP Configuration Table Header MISSING!\n" ); 537 exit( 1 ); 538 } 539 540 /* map in cth structure */ 541 cth = mapEntry( pap, sizeof( *cth ) ); 542 543 printf( "MP Config Table Header:\n\n" ); 544 545 printf( " physical address:\t\t0x%08x\n", pap ); 546 547 printf( " signature:\t\t\t'" ); 548 pnstr( cth->signature, 4 ); 549 printf( "'\n" ); 550 551 printf( " base table length:\t\t%d\n", cth->base_table_length ); 552 553 printf( " version:\t\t\t1.%1d\n", cth->spec_rev ); 554 printf( " checksum:\t\t\t0x%02x\n", cth->checksum ); 555 556 printf( " OEM ID:\t\t\t'" ); 557 pnstr( cth->oem_id, 8 ); 558 printf( "'\n" ); 559 560 printf( " Product ID:\t\t\t'" ); 561 pnstr( cth->product_id, 12 ); 562 printf( "'\n" ); 563 564 printf( " OEM table pointer:\t\t0x%08x\n", cth->oem_table_pointer ); 565 printf( " OEM table size:\t\t%d\n", cth->oem_table_size ); 566 567 printf( " entry count:\t\t\t%d\n", cth->entry_count ); 568 569 printf( " local APIC address:\t\t0x%08x\n", cth->apic_address ); 570 571 printf( " extended table length:\t%d\n", cth->extended_table_length ); 572 printf( " extended table checksum:\t%d\n", cth->extended_table_checksum ); 573 574 totalSize = cth->base_table_length - sizeof( struct MPCTH ); 575 576 puts( SEP_LINE ); 577 578 printf( "MP Config Base Table Entries:\n\n" ); 579 580 /* initialize tables */ 581 for (x = 0; x < (int)nitems(busses); x++) 582 busses[x] = 0xff; 583 584 for (x = 0; x < (int)nitems(apics); x++) 585 apics[x] = 0xff; 586 587 ncpu = 0; 588 nbus = 0; 589 napic = 0; 590 nintr = 0; 591 592 oldtype = -1; 593 entry = mapEntry(pap + sizeof(*cth), cth->base_table_length); 594 for (c = cth->entry_count; c; c--) { 595 entrytype = *entry; 596 if (entrytype != oldtype) 597 printf("--\n"); 598 if (entrytype < oldtype) 599 printf("MPTABLE OUT OF ORDER!\n"); 600 switch (entrytype) { 601 case MPCT_ENTRY_PROCESSOR: 602 if (oldtype != MPCT_ENTRY_PROCESSOR) 603 printf( "Processors:\tAPIC ID\tVersion\tState" 604 "\t\tFamily\tModel\tStep\tFlags\n" ); 605 processorEntry((proc_entry_ptr)entry); 606 entry += sizeof(struct PROCENTRY); 607 break; 608 609 case MPCT_ENTRY_BUS: 610 if (oldtype != MPCT_ENTRY_BUS) 611 printf( "Bus:\t\tBus ID\tType\n" ); 612 busEntry((bus_entry_ptr)entry); 613 entry += sizeof(struct BUSENTRY); 614 break; 615 616 case MPCT_ENTRY_IOAPIC: 617 if (oldtype != MPCT_ENTRY_IOAPIC) 618 printf( "I/O APICs:\tAPIC ID\tVersion\tState\t\tAddress\n" ); 619 ioApicEntry((io_apic_entry_ptr)entry); 620 entry += sizeof(struct IOAPICENTRY); 621 break; 622 623 case MPCT_ENTRY_INT: 624 if (oldtype != MPCT_ENTRY_INT) 625 printf( "I/O Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#\n" ); 626 intEntry((int_entry_ptr)entry); 627 entry += sizeof(struct INTENTRY); 628 break; 629 630 case MPCT_ENTRY_LOCAL_INT: 631 if (oldtype != MPCT_ENTRY_LOCAL_INT) 632 printf( "Local Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#\n" ); 633 intEntry((int_entry_ptr)entry); 634 entry += sizeof(struct INTENTRY); 635 break; 636 637 default: 638 printf("MPTABLE HOSED! record type = %d\n", entrytype); 639 exit(1); 640 } 641 oldtype = entrytype; 642 } 643 644 645 #if defined( EXTENDED_PROCESSING_READY ) 646 /* process any extended data */ 647 if ( cth->extended_table_length ) { 648 ext_entry_ptr ext_entry, end; 649 650 puts( SEP_LINE ); 651 652 printf( "MP Config Extended Table Entries:\n\n" ); 653 654 ext_entry = mapEntry(pap + cth->base_table_length, 655 cth->extended_table_length); 656 end = (ext_entry_ptr)((char *)ext_entry + cth->extended_table_length); 657 while (ext_entry < end) { 658 switch (ext_entry->type) { 659 case MPCT_EXTENTRY_SAS: 660 sasEntry((sas_entry_ptr)ext_entry); 661 break; 662 case MPCT_EXTENTRY_BHD: 663 bhdEntry((bhd_entry_ptr)ext_entry); 664 break; 665 case MPCT_EXTENTRY_CBASM: 666 cbasmEntry((cbasm_entry_ptr)ext_entry); 667 break; 668 default: 669 printf( "Extended Table HOSED!\n" ); 670 exit( 1 ); 671 } 672 673 ext_entry = (ext_entry_ptr)((char *)ext_entry + ext_entry->length); 674 } 675 } 676 #endif /* EXTENDED_PROCESSING_READY */ 677 678 /* process any OEM data */ 679 if ( cth->oem_table_pointer && (cth->oem_table_size > 0) ) { 680 #if defined( OEM_PROCESSING_READY ) 681 # error your on your own here! 682 /* map in oem table structure */ 683 oemdata = mapEntry( cth->oem_table_pointer, cth->oem_table_size); 684 685 /** process it */ 686 #else 687 printf( "\nyou need to modify the source to handle OEM data!\n\n" ); 688 #endif /* OEM_PROCESSING_READY */ 689 } 690 691 fflush( stdout ); 692 693 #if defined( RAW_DUMP ) 694 { 695 int ofd; 696 void *dumpbuf; 697 698 ofd = open( "/tmp/mpdump", O_CREAT | O_RDWR, 0666 ); 699 700 dumpbuf = mapEntry( paddr, 1024 ); 701 write( ofd, dumpbuf, 1024 ); 702 close( ofd ); 703 } 704 #endif /* RAW_DUMP */ 705 } 706 707 708 /* 709 * 710 */ 711 static void 712 seekEntry( u_int32_t addr ) 713 { 714 if ( lseek( pfd, (off_t)addr, SEEK_SET ) < 0 ) 715 err( 1, "%s seek", _PATH_MEM ); 716 } 717 718 719 /* 720 * 721 */ 722 static void 723 readEntry( void* entry, int size ) 724 { 725 if ( read( pfd, entry, size ) != size ) 726 err( 1, "readEntry" ); 727 } 728 729 static void * 730 mapEntry( u_int32_t addr, int size ) 731 { 732 void *p; 733 734 p = mmap( NULL, size, PROT_READ, MAP_SHARED, pfd, addr ); 735 if (p == MAP_FAILED) 736 err( 1, "mapEntry" ); 737 return (p); 738 } 739 740 static void 741 processorEntry( proc_entry_ptr entry ) 742 { 743 744 /* count it */ 745 ++ncpu; 746 747 printf( "\t\t%2d", entry->apic_id ); 748 printf( "\t 0x%2x", entry->apic_version ); 749 750 printf( "\t %s, %s", 751 (entry->cpu_flags & PROCENTRY_FLAG_BP) ? "BSP" : "AP", 752 (entry->cpu_flags & PROCENTRY_FLAG_EN) ? "usable" : "unusable" ); 753 754 printf( "\t %d\t %d\t %d", 755 (entry->cpu_signature >> 8) & 0x0f, 756 (entry->cpu_signature >> 4) & 0x0f, 757 entry->cpu_signature & 0x0f ); 758 759 printf( "\t 0x%04x\n", entry->feature_flags ); 760 } 761 762 763 /* 764 * 765 */ 766 static int 767 lookupBusType( char* name ) 768 { 769 int x; 770 771 for ( x = 0; x < MAX_BUSTYPE; ++x ) 772 if ( strcmp( busTypeTable[ x ].name, name ) == 0 ) 773 return busTypeTable[ x ].type; 774 775 return UNKNOWN_BUSTYPE; 776 } 777 778 779 static void 780 busEntry( bus_entry_ptr entry ) 781 { 782 int x; 783 char name[ 8 ]; 784 char c; 785 786 /* count it */ 787 ++nbus; 788 789 printf( "\t\t%2d", entry->bus_id ); 790 printf( "\t " ); pnstr( entry->bus_type, 6 ); printf( "\n" ); 791 792 for ( x = 0; x < 6; ++x ) { 793 if ( (c = entry->bus_type[ x ]) == ' ' ) 794 break; 795 name[ x ] = c; 796 } 797 name[ x ] = '\0'; 798 busses[ entry->bus_id ] = lookupBusType( name ); 799 } 800 801 802 static void 803 ioApicEntry( io_apic_entry_ptr entry ) 804 { 805 806 /* count it */ 807 ++napic; 808 809 printf( "\t\t%2d", entry->apic_id ); 810 printf( "\t 0x%02x", entry->apic_version ); 811 printf( "\t %s", 812 (entry->apic_flags & IOAPICENTRY_FLAG_EN) ? "usable" : "unusable" ); 813 printf( "\t\t 0x%x\n", entry->apic_address ); 814 815 apics[ entry->apic_id ] = entry->apic_id; 816 } 817 818 819 static const char *intTypes[] = { 820 "INT", "NMI", "SMI", "ExtINT" 821 }; 822 823 static const char *polarityMode[] = { 824 "conforms", "active-hi", "reserved", "active-lo" 825 }; 826 static const char *triggerMode[] = { 827 "conforms", "edge", "reserved", "level" 828 }; 829 830 static void 831 intEntry( int_entry_ptr entry ) 832 { 833 834 /* count it */ 835 if ( entry->type == MPCT_ENTRY_INT ) 836 ++nintr; 837 838 printf( "\t\t%s", intTypes[ entry->int_type ] ); 839 840 printf( "\t%9s", polarityMode[ entry->int_flags & INTENTRY_FLAGS_POLARITY ] ); 841 printf( "%12s", triggerMode[ (entry->int_flags & INTENTRY_FLAGS_TRIGGER) >> 2 ] ); 842 843 printf( "\t %5d", entry->src_bus_id ); 844 if ( busses[ entry->src_bus_id ] == PCI ) 845 printf( "\t%2d:%c", 846 (entry->src_bus_irq >> 2) & 0x1f, 847 (entry->src_bus_irq & 0x03) + 'A' ); 848 else 849 printf( "\t %3d", entry->src_bus_irq ); 850 printf( "\t %6d", entry->dst_apic_id ); 851 printf( "\t %3d\n", entry->dst_apic_int ); 852 } 853 854 855 static void 856 sasEntry( sas_entry_ptr entry ) 857 { 858 859 printf( "--\nSystem Address Space\n"); 860 printf( " bus ID: %d", entry->bus_id ); 861 printf( " address type: " ); 862 switch ( entry->address_type ) { 863 case SASENTRY_TYPE_IO: 864 printf( "I/O address\n" ); 865 break; 866 case SASENTRY_TYPE_MEMORY: 867 printf( "memory address\n" ); 868 break; 869 case SASENTRY_TYPE_PREFETCH: 870 printf( "prefetch address\n" ); 871 break; 872 default: 873 printf( "UNKNOWN type\n" ); 874 break; 875 } 876 877 printf( " address base: 0x%jx\n", (uintmax_t)entry->address_base ); 878 printf( " address range: 0x%jx\n", (uintmax_t)entry->address_length ); 879 } 880 881 882 static void 883 bhdEntry( bhd_entry_ptr entry ) 884 { 885 886 printf( "--\nBus Hierarchy\n" ); 887 printf( " bus ID: %d", entry->bus_id ); 888 printf( " bus info: 0x%02x", entry->bus_info ); 889 printf( " parent bus ID: %d\n", entry->parent_bus ); 890 } 891 892 893 static void 894 cbasmEntry( cbasm_entry_ptr entry ) 895 { 896 897 printf( "--\nCompatibility Bus Address\n" ); 898 printf( " bus ID: %d", entry->bus_id ); 899 printf( " address modifier: %s\n", 900 (entry->address_mod & CBASMENTRY_ADDRESS_MOD_SUBTRACT) ? 901 "subtract" : "add" ); 902 printf( " predefined range: 0x%08x\n", entry->predefined_range ); 903 } 904 905 906 /* 907 * do a dmesg output 908 */ 909 static void 910 doDmesg( void ) 911 { 912 puts( SEP_LINE ); 913 914 printf( "dmesg output:\n\n" ); 915 fflush( stdout ); 916 system( "dmesg" ); 917 } 918 919 920 /* 921 * 922 */ 923 static void 924 pnstr( char* s, int c ) 925 { 926 char string[ MAXPNSTR + 1 ]; 927 928 if ( c > MAXPNSTR ) 929 c = MAXPNSTR; 930 strncpy( string, s, c ); 931 string[ c ] = '\0'; 932 printf( "%s", string ); 933 } 934