1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1996, by Steve Passe 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. The name of the developer may NOT be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* 29 * mptable.c 30 */ 31 32 #ifndef lint 33 static const char rcsid[] = 34 "$FreeBSD$"; 35 #endif /* not lint */ 36 37 /* 38 * this will cause the raw mp table to be dumped to /tmp/mpdump 39 * 40 #define RAW_DUMP 41 */ 42 43 #define MP_SIG 0x5f504d5f /* _MP_ */ 44 #define EXTENDED_PROCESSING_READY 45 #define OEM_PROCESSING_READY_NOT 46 47 #include <sys/param.h> 48 #include <sys/mman.h> 49 #include <x86/mptable.h> 50 #include <err.h> 51 #include <fcntl.h> 52 #include <paths.h> 53 #include <stdint.h> 54 #include <stdio.h> 55 #include <stdlib.h> 56 #include <string.h> 57 #include <unistd.h> 58 59 #define SEP_LINE \ 60 "\n-------------------------------------------------------------------------------\n" 61 62 #define SEP_LINE2 \ 63 "\n===============================================================================\n" 64 65 /* EBDA is @ 40:0e in real-mode terms */ 66 #define EBDA_POINTER 0x040e /* location of EBDA pointer */ 67 68 /* CMOS 'top of mem' is @ 40:13 in real-mode terms */ 69 #define TOPOFMEM_POINTER 0x0413 /* BIOS: base memory size */ 70 71 #define DEFAULT_TOPOFMEM 0xa0000 72 73 #define BIOS_BASE 0xf0000 74 #define BIOS_BASE2 0xe0000 75 #define BIOS_SIZE 0x10000 76 #define ONE_KBYTE 1024 77 78 #define GROPE_AREA1 0x80000 79 #define GROPE_AREA2 0x90000 80 #define GROPE_SIZE 0x10000 81 82 #define MAXPNSTR 132 83 84 typedef struct BUSTYPENAME { 85 u_char type; 86 char name[ 7 ]; 87 } busTypeName; 88 89 static const busTypeName busTypeTable[] = 90 { 91 { CBUS, "CBUS" }, 92 { CBUSII, "CBUSII" }, 93 { EISA, "EISA" }, 94 { UNKNOWN_BUSTYPE, "---" }, 95 { UNKNOWN_BUSTYPE, "---" }, 96 { ISA, "ISA" }, 97 { UNKNOWN_BUSTYPE, "---" }, 98 { UNKNOWN_BUSTYPE, "---" }, 99 { UNKNOWN_BUSTYPE, "---" }, 100 { UNKNOWN_BUSTYPE, "---" }, 101 { UNKNOWN_BUSTYPE, "---" }, 102 { UNKNOWN_BUSTYPE, "---" }, 103 { PCI, "PCI" }, 104 { UNKNOWN_BUSTYPE, "---" }, 105 { UNKNOWN_BUSTYPE, "---" }, 106 { UNKNOWN_BUSTYPE, "---" }, 107 { UNKNOWN_BUSTYPE, "---" }, 108 { UNKNOWN_BUSTYPE, "---" }, 109 { UNKNOWN_BUSTYPE, "---" } 110 }; 111 112 static const char *whereStrings[] = { 113 "Extended BIOS Data Area", 114 "BIOS top of memory", 115 "Default top of memory", 116 "BIOS", 117 "Extended BIOS", 118 "GROPE AREA #1", 119 "GROPE AREA #2" 120 }; 121 122 static void apic_probe( u_int32_t* paddr, int* where ); 123 124 static void MPConfigDefault( int featureByte ); 125 126 static void MPFloatingPointer( u_int32_t paddr, int where, mpfps_t* mpfpsp ); 127 static void MPConfigTableHeader( u_int32_t pap ); 128 129 static void seekEntry( u_int32_t addr ); 130 static void readEntry( void* entry, int size ); 131 static void *mapEntry( u_int32_t addr, int size ); 132 133 static void processorEntry( proc_entry_ptr entry ); 134 static void busEntry( bus_entry_ptr entry ); 135 static void ioApicEntry( io_apic_entry_ptr entry ); 136 static void intEntry( int_entry_ptr entry ); 137 138 static void sasEntry( sas_entry_ptr entry ); 139 static void bhdEntry( bhd_entry_ptr entry ); 140 static void cbasmEntry( cbasm_entry_ptr entry ); 141 142 static void doDmesg( void ); 143 static void pnstr( char* s, int c ); 144 145 /* global data */ 146 static int pfd; /* physical /dev/mem fd */ 147 148 static int busses[256]; 149 static int apics[256]; 150 151 static int ncpu; 152 static int nbus; 153 static int napic; 154 static int nintr; 155 156 static int dmesg; 157 static int grope; 158 static int verbose; 159 160 static void 161 usage( void ) 162 { 163 fprintf( stderr, "usage: mptable [-dmesg] [-verbose] [-grope] [-help]\n" ); 164 exit( 0 ); 165 } 166 167 /* 168 * 169 */ 170 int 171 main( int argc, char *argv[] ) 172 { 173 u_int32_t paddr; 174 int where; 175 mpfps_t mpfps; 176 int defaultConfig; 177 178 int ch; 179 180 /* announce ourselves */ 181 puts( SEP_LINE2 ); 182 183 printf( "MPTable\n" ); 184 185 while ((ch = getopt(argc, argv, "d:g:h:v:")) != -1) { 186 switch(ch) { 187 case 'd': 188 if ( strcmp( optarg, "mesg") == 0 ) 189 dmesg = 1; 190 else 191 dmesg = 0; 192 break; 193 case 'h': 194 if ( strcmp( optarg, "elp") == 0 ) 195 usage(); 196 break; 197 case 'g': 198 if ( strcmp( optarg, "rope") == 0 ) 199 grope = 1; 200 break; 201 case 'v': 202 if ( strcmp( optarg, "erbose") == 0 ) 203 verbose = 1; 204 break; 205 default: 206 usage(); 207 } 208 argc -= optind; 209 argv += optind; 210 optreset = 1; 211 optind = 0; 212 } 213 214 /* open physical memory for access to MP structures */ 215 if ( (pfd = open( _PATH_MEM, O_RDONLY )) < 0 ) 216 err( 1, "mem open" ); 217 218 /* probe for MP structures */ 219 apic_probe( &paddr, &where ); 220 if ( where <= 0 ) { 221 fprintf( stderr, "\n MP FPS NOT found,\n" ); 222 if (!grope) 223 fprintf( stderr, " suggest trying -grope option!!!\n\n" ); 224 return 1; 225 } 226 227 if ( verbose ) 228 printf( "\n MP FPS found in %s @ physical addr: 0x%08x\n", 229 whereStrings[ where - 1 ], paddr ); 230 231 puts( SEP_LINE ); 232 233 /* analyze the MP Floating Pointer Structure */ 234 MPFloatingPointer( paddr, where, &mpfps ); 235 236 puts( SEP_LINE ); 237 238 /* check whether an MP config table exists */ 239 if ( (defaultConfig = mpfps->config_type) ) 240 MPConfigDefault( defaultConfig ); 241 else 242 MPConfigTableHeader( mpfps->pap ); 243 244 /* do a dmesg output */ 245 if ( dmesg ) 246 doDmesg(); 247 248 puts( SEP_LINE2 ); 249 250 return 0; 251 } 252 253 254 /* 255 * set PHYSICAL address of MP floating pointer structure 256 */ 257 #define NEXT(X) ((X) += 4) 258 static void 259 apic_probe( u_int32_t* paddr, int* where ) 260 { 261 /* 262 * c rewrite of apic_probe() by Jack F. Vogel 263 */ 264 265 int x; 266 u_short segment; 267 u_int32_t target; 268 u_int buffer[ BIOS_SIZE / sizeof( int ) ]; 269 270 if ( verbose ) 271 printf( "\n" ); 272 273 /* search Extended Bios Data Area, if present */ 274 if ( verbose ) 275 printf( " looking for EBDA pointer @ 0x%04x, ", EBDA_POINTER ); 276 seekEntry( (u_int32_t)EBDA_POINTER ); 277 readEntry( &segment, 2 ); 278 if ( segment ) { /* search EBDA */ 279 target = (u_int32_t)segment << 4; 280 if ( verbose ) 281 printf( "found, searching EBDA @ 0x%08x\n", target ); 282 seekEntry( target ); 283 readEntry( buffer, ONE_KBYTE ); 284 285 for ( x = 0; x < ONE_KBYTE / (int)sizeof ( unsigned int ); NEXT(x) ) { 286 if ( buffer[ x ] == MP_SIG ) { 287 *where = 1; 288 *paddr = (x * sizeof( unsigned int )) + target; 289 return; 290 } 291 } 292 } 293 else { 294 if ( verbose ) 295 printf( "NOT found\n" ); 296 } 297 298 /* read CMOS for real top of mem */ 299 seekEntry( (u_int32_t)TOPOFMEM_POINTER ); 300 readEntry( &segment, 2 ); 301 --segment; /* less ONE_KBYTE */ 302 target = segment * 1024; 303 if ( verbose ) 304 printf( " searching CMOS 'top of mem' @ 0x%08x (%dK)\n", 305 target, segment ); 306 seekEntry( target ); 307 readEntry( buffer, ONE_KBYTE ); 308 309 for ( x = 0; x < ONE_KBYTE / (int)sizeof ( unsigned int ); NEXT(x) ) { 310 if ( buffer[ x ] == MP_SIG ) { 311 *where = 2; 312 *paddr = (x * sizeof( unsigned int )) + target; 313 return; 314 } 315 } 316 317 /* we don't necessarily believe CMOS, check base of the last 1K of 640K */ 318 if ( target != (DEFAULT_TOPOFMEM - 1024)) { 319 target = (DEFAULT_TOPOFMEM - 1024); 320 if ( verbose ) 321 printf( " searching default 'top of mem' @ 0x%08x (%dK)\n", 322 target, (target / 1024) ); 323 seekEntry( target ); 324 readEntry( buffer, ONE_KBYTE ); 325 326 for ( x = 0; x < ONE_KBYTE / (int)sizeof ( unsigned int ); NEXT(x) ) { 327 if ( buffer[ x ] == MP_SIG ) { 328 *where = 3; 329 *paddr = (x * sizeof( unsigned int )) + target; 330 return; 331 } 332 } 333 } 334 335 /* search the BIOS */ 336 if ( verbose ) 337 printf( " searching BIOS @ 0x%08x\n", BIOS_BASE ); 338 seekEntry( BIOS_BASE ); 339 readEntry( buffer, BIOS_SIZE ); 340 341 for ( x = 0; x < BIOS_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) { 342 if ( buffer[ x ] == MP_SIG ) { 343 *where = 4; 344 *paddr = (x * sizeof( unsigned int )) + BIOS_BASE; 345 return; 346 } 347 } 348 349 /* search the extended BIOS */ 350 if ( verbose ) 351 printf( " searching extended BIOS @ 0x%08x\n", BIOS_BASE2 ); 352 seekEntry( BIOS_BASE2 ); 353 readEntry( buffer, BIOS_SIZE ); 354 355 for ( x = 0; x < BIOS_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) { 356 if ( buffer[ x ] == MP_SIG ) { 357 *where = 5; 358 *paddr = (x * sizeof( unsigned int )) + BIOS_BASE2; 359 return; 360 } 361 } 362 363 if ( grope ) { 364 /* search additional memory */ 365 target = GROPE_AREA1; 366 if ( verbose ) 367 printf( " groping memory @ 0x%08x\n", target ); 368 seekEntry( target ); 369 readEntry( buffer, GROPE_SIZE ); 370 371 for ( x = 0; x < GROPE_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) { 372 if ( buffer[ x ] == MP_SIG ) { 373 *where = 6; 374 *paddr = (x * sizeof( unsigned int )) + GROPE_AREA1; 375 return; 376 } 377 } 378 379 target = GROPE_AREA2; 380 if ( verbose ) 381 printf( " groping memory @ 0x%08x\n", target ); 382 seekEntry( target ); 383 readEntry( buffer, GROPE_SIZE ); 384 385 for ( x = 0; x < GROPE_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) { 386 if ( buffer[ x ] == MP_SIG ) { 387 *where = 7; 388 *paddr = (x * sizeof( unsigned int )) + GROPE_AREA2; 389 return; 390 } 391 } 392 } 393 394 *where = 0; 395 *paddr = (u_int32_t)0; 396 } 397 398 399 /* 400 * 401 */ 402 static void 403 MPFloatingPointer( u_int32_t paddr, int where, mpfps_t* mpfpsp ) 404 { 405 mpfps_t mpfps; 406 407 /* map in mpfps structure*/ 408 *mpfpsp = mpfps = mapEntry( paddr, sizeof( *mpfps ) ); 409 410 /* show its contents */ 411 printf( "MP Floating Pointer Structure:\n\n" ); 412 413 printf( " location:\t\t\t" ); 414 switch ( where ) 415 { 416 case 1: 417 printf( "EBDA\n" ); 418 break; 419 case 2: 420 printf( "BIOS base memory\n" ); 421 break; 422 case 3: 423 printf( "DEFAULT base memory (639K)\n" ); 424 break; 425 case 4: 426 printf( "BIOS\n" ); 427 break; 428 case 5: 429 printf( "Extended BIOS\n" ); 430 break; 431 432 case 0: 433 printf( "NOT found!\n" ); 434 exit( 1 ); 435 default: 436 printf( "BOGUS!\n" ); 437 exit( 1 ); 438 } 439 printf( " physical address:\t\t0x%08x\n", paddr ); 440 441 printf( " signature:\t\t\t'" ); 442 pnstr( mpfps->signature, 4 ); 443 printf( "'\n" ); 444 445 printf( " length:\t\t\t%d bytes\n", mpfps->length * 16 ); 446 printf( " version:\t\t\t1.%1d\n", mpfps->spec_rev ); 447 printf( " checksum:\t\t\t0x%02x\n", mpfps->checksum ); 448 449 /* bits 0:6 are RESERVED */ 450 if ( mpfps->mpfb2 & 0x7f ) { 451 printf( " warning, MP feature byte 2: 0x%02x\n", mpfps->mpfb2 ); 452 } 453 454 /* bit 7 is IMCRP */ 455 printf( " mode:\t\t\t\t%s\n", (mpfps->mpfb2 & MPFB2_IMCR_PRESENT) ? 456 "PIC" : "Virtual Wire" ); 457 458 /* MP feature bytes 3-5 are expected to be ZERO */ 459 if ( mpfps->mpfb3 ) 460 printf( " warning, MP feature byte 3 NONZERO!\n" ); 461 if ( mpfps->mpfb4 ) 462 printf( " warning, MP feature byte 4 NONZERO!\n" ); 463 if ( mpfps->mpfb5 ) 464 printf( " warning, MP feature byte 5 NONZERO!\n" ); 465 } 466 467 468 /* 469 * 470 */ 471 static void 472 MPConfigDefault( int featureByte ) 473 { 474 printf( " MP default config type: %d\n\n", featureByte ); 475 switch ( featureByte ) { 476 case 1: 477 printf( " bus: ISA, APIC: 82489DX\n" ); 478 break; 479 case 2: 480 printf( " bus: EISA, APIC: 82489DX\n" ); 481 break; 482 case 3: 483 printf( " bus: EISA, APIC: 82489DX\n" ); 484 break; 485 case 4: 486 printf( " bus: MCA, APIC: 82489DX\n" ); 487 break; 488 case 5: 489 printf( " bus: ISA+PCI, APIC: Integrated\n" ); 490 break; 491 case 6: 492 printf( " bus: EISA+PCI, APIC: Integrated\n" ); 493 break; 494 case 7: 495 printf( " bus: MCA+PCI, APIC: Integrated\n" ); 496 break; 497 default: 498 printf( " future type\n" ); 499 break; 500 } 501 502 switch ( featureByte ) { 503 case 1: 504 case 2: 505 case 3: 506 case 4: 507 nbus = 1; 508 break; 509 case 5: 510 case 6: 511 case 7: 512 nbus = 2; 513 break; 514 default: 515 printf( " future type\n" ); 516 break; 517 } 518 519 ncpu = 2; 520 napic = 1; 521 nintr = 16; 522 } 523 524 525 /* 526 * 527 */ 528 static void 529 MPConfigTableHeader( u_int32_t pap ) 530 { 531 mpcth_t cth; 532 int x; 533 int totalSize; 534 int c; 535 int oldtype, entrytype; 536 u_int8_t *entry; 537 538 if ( pap == 0 ) { 539 printf( "MP Configuration Table Header MISSING!\n" ); 540 exit( 1 ); 541 } 542 543 /* map in cth structure */ 544 cth = mapEntry( pap, sizeof( *cth ) ); 545 546 printf( "MP Config Table Header:\n\n" ); 547 548 printf( " physical address:\t\t0x%08x\n", pap ); 549 550 printf( " signature:\t\t\t'" ); 551 pnstr( cth->signature, 4 ); 552 printf( "'\n" ); 553 554 printf( " base table length:\t\t%d\n", cth->base_table_length ); 555 556 printf( " version:\t\t\t1.%1d\n", cth->spec_rev ); 557 printf( " checksum:\t\t\t0x%02x\n", cth->checksum ); 558 559 printf( " OEM ID:\t\t\t'" ); 560 pnstr( cth->oem_id, 8 ); 561 printf( "'\n" ); 562 563 printf( " Product ID:\t\t\t'" ); 564 pnstr( cth->product_id, 12 ); 565 printf( "'\n" ); 566 567 printf( " OEM table pointer:\t\t0x%08x\n", cth->oem_table_pointer ); 568 printf( " OEM table size:\t\t%d\n", cth->oem_table_size ); 569 570 printf( " entry count:\t\t\t%d\n", cth->entry_count ); 571 572 printf( " local APIC address:\t\t0x%08x\n", cth->apic_address ); 573 574 printf( " extended table length:\t%d\n", cth->extended_table_length ); 575 printf( " extended table checksum:\t%d\n", cth->extended_table_checksum ); 576 577 totalSize = cth->base_table_length - sizeof( struct MPCTH ); 578 579 puts( SEP_LINE ); 580 581 printf( "MP Config Base Table Entries:\n\n" ); 582 583 /* initialize tables */ 584 for (x = 0; x < (int)nitems(busses); x++) 585 busses[x] = 0xff; 586 587 for (x = 0; x < (int)nitems(apics); x++) 588 apics[x] = 0xff; 589 590 ncpu = 0; 591 nbus = 0; 592 napic = 0; 593 nintr = 0; 594 595 oldtype = -1; 596 entry = mapEntry(pap + sizeof(*cth), cth->base_table_length); 597 for (c = cth->entry_count; c; c--) { 598 entrytype = *entry; 599 if (entrytype != oldtype) 600 printf("--\n"); 601 if (entrytype < oldtype) 602 printf("MPTABLE OUT OF ORDER!\n"); 603 switch (entrytype) { 604 case MPCT_ENTRY_PROCESSOR: 605 if (oldtype != MPCT_ENTRY_PROCESSOR) 606 printf( "Processors:\tAPIC ID\tVersion\tState" 607 "\t\tFamily\tModel\tStep\tFlags\n" ); 608 processorEntry((proc_entry_ptr)entry); 609 entry += sizeof(struct PROCENTRY); 610 break; 611 612 case MPCT_ENTRY_BUS: 613 if (oldtype != MPCT_ENTRY_BUS) 614 printf( "Bus:\t\tBus ID\tType\n" ); 615 busEntry((bus_entry_ptr)entry); 616 entry += sizeof(struct BUSENTRY); 617 break; 618 619 case MPCT_ENTRY_IOAPIC: 620 if (oldtype != MPCT_ENTRY_IOAPIC) 621 printf( "I/O APICs:\tAPIC ID\tVersion\tState\t\tAddress\n" ); 622 ioApicEntry((io_apic_entry_ptr)entry); 623 entry += sizeof(struct IOAPICENTRY); 624 break; 625 626 case MPCT_ENTRY_INT: 627 if (oldtype != MPCT_ENTRY_INT) 628 printf( "I/O Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#\n" ); 629 intEntry((int_entry_ptr)entry); 630 entry += sizeof(struct INTENTRY); 631 break; 632 633 case MPCT_ENTRY_LOCAL_INT: 634 if (oldtype != MPCT_ENTRY_LOCAL_INT) 635 printf( "Local Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#\n" ); 636 intEntry((int_entry_ptr)entry); 637 entry += sizeof(struct INTENTRY); 638 break; 639 640 default: 641 printf("MPTABLE HOSED! record type = %d\n", entrytype); 642 exit(1); 643 } 644 oldtype = entrytype; 645 } 646 647 648 #if defined( EXTENDED_PROCESSING_READY ) 649 /* process any extended data */ 650 if ( cth->extended_table_length ) { 651 ext_entry_ptr ext_entry, end; 652 653 puts( SEP_LINE ); 654 655 printf( "MP Config Extended Table Entries:\n\n" ); 656 657 ext_entry = mapEntry(pap + cth->base_table_length, 658 cth->extended_table_length); 659 end = (ext_entry_ptr)((char *)ext_entry + cth->extended_table_length); 660 while (ext_entry < end) { 661 switch (ext_entry->type) { 662 case MPCT_EXTENTRY_SAS: 663 sasEntry((sas_entry_ptr)ext_entry); 664 break; 665 case MPCT_EXTENTRY_BHD: 666 bhdEntry((bhd_entry_ptr)ext_entry); 667 break; 668 case MPCT_EXTENTRY_CBASM: 669 cbasmEntry((cbasm_entry_ptr)ext_entry); 670 break; 671 default: 672 printf( "Extended Table HOSED!\n" ); 673 exit( 1 ); 674 } 675 676 ext_entry = (ext_entry_ptr)((char *)ext_entry + ext_entry->length); 677 } 678 } 679 #endif /* EXTENDED_PROCESSING_READY */ 680 681 /* process any OEM data */ 682 if ( cth->oem_table_pointer && (cth->oem_table_size > 0) ) { 683 #if defined( OEM_PROCESSING_READY ) 684 # error your on your own here! 685 /* map in oem table structure */ 686 oemdata = mapEntry( cth->oem_table_pointer, cth->oem_table_size); 687 688 /** process it */ 689 #else 690 printf( "\nyou need to modify the source to handle OEM data!\n\n" ); 691 #endif /* OEM_PROCESSING_READY */ 692 } 693 694 fflush( stdout ); 695 696 #if defined( RAW_DUMP ) 697 { 698 int ofd; 699 void *dumpbuf; 700 701 ofd = open( "/tmp/mpdump", O_CREAT | O_RDWR, 0666 ); 702 703 dumpbuf = mapEntry( paddr, 1024 ); 704 write( ofd, dumpbuf, 1024 ); 705 close( ofd ); 706 } 707 #endif /* RAW_DUMP */ 708 } 709 710 711 /* 712 * 713 */ 714 static void 715 seekEntry( u_int32_t addr ) 716 { 717 if ( lseek( pfd, (off_t)addr, SEEK_SET ) < 0 ) 718 err( 1, "%s seek", _PATH_MEM ); 719 } 720 721 722 /* 723 * 724 */ 725 static void 726 readEntry( void* entry, int size ) 727 { 728 if ( read( pfd, entry, size ) != size ) 729 err( 1, "readEntry" ); 730 } 731 732 static void * 733 mapEntry( u_int32_t addr, int size ) 734 { 735 void *p; 736 737 p = mmap( NULL, size, PROT_READ, MAP_SHARED, pfd, addr ); 738 if (p == MAP_FAILED) 739 err( 1, "mapEntry" ); 740 return (p); 741 } 742 743 static void 744 processorEntry( proc_entry_ptr entry ) 745 { 746 747 /* count it */ 748 ++ncpu; 749 750 printf( "\t\t%2d", entry->apic_id ); 751 printf( "\t 0x%2x", entry->apic_version ); 752 753 printf( "\t %s, %s", 754 (entry->cpu_flags & PROCENTRY_FLAG_BP) ? "BSP" : "AP", 755 (entry->cpu_flags & PROCENTRY_FLAG_EN) ? "usable" : "unusable" ); 756 757 printf( "\t %d\t %d\t %d", 758 (entry->cpu_signature >> 8) & 0x0f, 759 (entry->cpu_signature >> 4) & 0x0f, 760 entry->cpu_signature & 0x0f ); 761 762 printf( "\t 0x%04x\n", entry->feature_flags ); 763 } 764 765 766 /* 767 * 768 */ 769 static int 770 lookupBusType( char* name ) 771 { 772 int x; 773 774 for ( x = 0; x < MAX_BUSTYPE; ++x ) 775 if ( strcmp( busTypeTable[ x ].name, name ) == 0 ) 776 return busTypeTable[ x ].type; 777 778 return UNKNOWN_BUSTYPE; 779 } 780 781 782 static void 783 busEntry( bus_entry_ptr entry ) 784 { 785 int x; 786 char name[ 8 ]; 787 char c; 788 789 /* count it */ 790 ++nbus; 791 792 printf( "\t\t%2d", entry->bus_id ); 793 printf( "\t " ); pnstr( entry->bus_type, 6 ); printf( "\n" ); 794 795 for ( x = 0; x < 6; ++x ) { 796 if ( (c = entry->bus_type[ x ]) == ' ' ) 797 break; 798 name[ x ] = c; 799 } 800 name[ x ] = '\0'; 801 busses[ entry->bus_id ] = lookupBusType( name ); 802 } 803 804 805 static void 806 ioApicEntry( io_apic_entry_ptr entry ) 807 { 808 809 /* count it */ 810 ++napic; 811 812 printf( "\t\t%2d", entry->apic_id ); 813 printf( "\t 0x%02x", entry->apic_version ); 814 printf( "\t %s", 815 (entry->apic_flags & IOAPICENTRY_FLAG_EN) ? "usable" : "unusable" ); 816 printf( "\t\t 0x%x\n", entry->apic_address ); 817 818 apics[ entry->apic_id ] = entry->apic_id; 819 } 820 821 822 static const char *intTypes[] = { 823 "INT", "NMI", "SMI", "ExtINT" 824 }; 825 826 static const char *polarityMode[] = { 827 "conforms", "active-hi", "reserved", "active-lo" 828 }; 829 static const char *triggerMode[] = { 830 "conforms", "edge", "reserved", "level" 831 }; 832 833 static void 834 intEntry( int_entry_ptr entry ) 835 { 836 837 /* count it */ 838 if ( entry->type == MPCT_ENTRY_INT ) 839 ++nintr; 840 841 printf( "\t\t%s", intTypes[ entry->int_type ] ); 842 843 printf( "\t%9s", polarityMode[ entry->int_flags & INTENTRY_FLAGS_POLARITY ] ); 844 printf( "%12s", triggerMode[ (entry->int_flags & INTENTRY_FLAGS_TRIGGER) >> 2 ] ); 845 846 printf( "\t %5d", entry->src_bus_id ); 847 if ( busses[ entry->src_bus_id ] == PCI ) 848 printf( "\t%2d:%c", 849 (entry->src_bus_irq >> 2) & 0x1f, 850 (entry->src_bus_irq & 0x03) + 'A' ); 851 else 852 printf( "\t %3d", entry->src_bus_irq ); 853 printf( "\t %6d", entry->dst_apic_id ); 854 printf( "\t %3d\n", entry->dst_apic_int ); 855 } 856 857 858 static void 859 sasEntry( sas_entry_ptr entry ) 860 { 861 862 printf( "--\nSystem Address Space\n"); 863 printf( " bus ID: %d", entry->bus_id ); 864 printf( " address type: " ); 865 switch ( entry->address_type ) { 866 case SASENTRY_TYPE_IO: 867 printf( "I/O address\n" ); 868 break; 869 case SASENTRY_TYPE_MEMORY: 870 printf( "memory address\n" ); 871 break; 872 case SASENTRY_TYPE_PREFETCH: 873 printf( "prefetch address\n" ); 874 break; 875 default: 876 printf( "UNKNOWN type\n" ); 877 break; 878 } 879 880 printf( " address base: 0x%jx\n", (uintmax_t)entry->address_base ); 881 printf( " address range: 0x%jx\n", (uintmax_t)entry->address_length ); 882 } 883 884 885 static void 886 bhdEntry( bhd_entry_ptr entry ) 887 { 888 889 printf( "--\nBus Hierarchy\n" ); 890 printf( " bus ID: %d", entry->bus_id ); 891 printf( " bus info: 0x%02x", entry->bus_info ); 892 printf( " parent bus ID: %d\n", entry->parent_bus ); 893 } 894 895 896 static void 897 cbasmEntry( cbasm_entry_ptr entry ) 898 { 899 900 printf( "--\nCompatibility Bus Address\n" ); 901 printf( " bus ID: %d", entry->bus_id ); 902 printf( " address modifier: %s\n", 903 (entry->address_mod & CBASMENTRY_ADDRESS_MOD_SUBTRACT) ? 904 "subtract" : "add" ); 905 printf( " predefined range: 0x%08x\n", entry->predefined_range ); 906 } 907 908 909 /* 910 * do a dmesg output 911 */ 912 static void 913 doDmesg( void ) 914 { 915 puts( SEP_LINE ); 916 917 printf( "dmesg output:\n\n" ); 918 fflush( stdout ); 919 system( "dmesg" ); 920 } 921 922 923 /* 924 * 925 */ 926 static void 927 pnstr( char* s, int c ) 928 { 929 char string[ MAXPNSTR + 1 ]; 930 931 if ( c > MAXPNSTR ) 932 c = MAXPNSTR; 933 strncpy( string, s, c ); 934 string[ c ] = '\0'; 935 printf( "%s", string ); 936 } 937