mtree(8): Silence warnings when compiling with -DBOOTSTRAPPING.
[dragonfly.git] / usr.sbin / mptable / mptable.c
CommitLineData
984263bc
MD
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.
1de703da
MD
24 *
25 * $FreeBSD: src/usr.sbin/mptable/mptable.c,v 1.12.2.3 2000/12/11 01:03:34 obrien Exp $
0ca0cd25 26 * $DragonFly: src/usr.sbin/mptable/mptable.c,v 1.4 2008/04/20 13:44:26 swildner Exp $
984263bc
MD
27 */
28
29/*
30 * mptable.c
31 */
32
984263bc
MD
33#define VMAJOR 2
34#define VMINOR 0
35#define VDELTA 15
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/types.h>
48#include <err.h>
49#include <fcntl.h>
50#include <paths.h>
51#include <stdio.h>
52#include <stdlib.h>
53#include <string.h>
54#include <unistd.h>
55
56#define SEP_LINE \
57"\n-------------------------------------------------------------------------------\n"
58
59#define SEP_LINE2 \
60"\n===============================================================================\n"
61
62/* EBDA is @ 40:0e in real-mode terms */
63#define EBDA_POINTER 0x040e /* location of EBDA pointer */
64
65/* CMOS 'top of mem' is @ 40:13 in real-mode terms */
66#define TOPOFMEM_POINTER 0x0413 /* BIOS: base memory size */
67
68#define DEFAULT_TOPOFMEM 0xa0000
69
70#define BIOS_BASE 0xf0000
71#define BIOS_BASE2 0xe0000
72#define BIOS_SIZE 0x10000
73#define ONE_KBYTE 1024
74
75#define GROPE_AREA1 0x80000
76#define GROPE_AREA2 0x90000
77#define GROPE_SIZE 0x10000
78
79#define PROCENTRY_FLAG_EN 0x01
80#define PROCENTRY_FLAG_BP 0x02
81#define IOAPICENTRY_FLAG_EN 0x01
82
83#define MAXPNSTR 132
84
85enum busTypes {
86 CBUS = 1,
87 CBUSII = 2,
88 EISA = 3,
89 ISA = 6,
90 PCI = 13,
91 XPRESS = 18,
92 MAX_BUSTYPE = 18,
93 UNKNOWN_BUSTYPE = 0xff
94};
95
96typedef struct BUSTYPENAME {
97 u_char type;
98 char name[ 7 ];
99} busTypeName;
100
101static busTypeName busTypeTable[] =
102{
103 { CBUS, "CBUS" },
104 { CBUSII, "CBUSII" },
105 { EISA, "EISA" },
106 { UNKNOWN_BUSTYPE, "---" },
107 { UNKNOWN_BUSTYPE, "---" },
108 { ISA, "ISA" },
109 { UNKNOWN_BUSTYPE, "---" },
110 { UNKNOWN_BUSTYPE, "---" },
111 { UNKNOWN_BUSTYPE, "---" },
112 { UNKNOWN_BUSTYPE, "---" },
113 { UNKNOWN_BUSTYPE, "---" },
114 { UNKNOWN_BUSTYPE, "---" },
115 { PCI, "PCI" },
116 { UNKNOWN_BUSTYPE, "---" },
117 { UNKNOWN_BUSTYPE, "---" },
118 { UNKNOWN_BUSTYPE, "---" },
119 { UNKNOWN_BUSTYPE, "---" },
120 { UNKNOWN_BUSTYPE, "---" },
121 { UNKNOWN_BUSTYPE, "---" }
122};
123
124char* whereStrings[] = {
125 "Extended BIOS Data Area",
126 "BIOS top of memory",
127 "Default top of memory",
128 "BIOS",
129 "Extended BIOS",
130 "GROPE AREA #1",
131 "GROPE AREA #2"
132};
133
134typedef struct TABLE_ENTRY {
135 u_char type;
136 u_char length;
137 char name[ 32 ];
138} tableEntry;
139
140tableEntry basetableEntryTypes[] =
141{
142 { 0, 20, "Processor" },
143 { 1, 8, "Bus" },
144 { 2, 8, "I/O APIC" },
145 { 3, 8, "I/O INT" },
146 { 4, 8, "Local INT" }
147};
148
149tableEntry extendedtableEntryTypes[] =
150{
151 { 128, 20, "System Address Space" },
0ca0cd25 152 { 129, 8, "Bus Hierarchy" },
984263bc
MD
153 { 130, 8, "Compatibility Bus Address" }
154};
155
156/* MP Floating Pointer Structure */
157typedef struct MPFPS {
158 char signature[ 4 ];
159 void* pap;
160 u_char length;
161 u_char spec_rev;
162 u_char checksum;
163 u_char mpfb1;
164 u_char mpfb2;
165 u_char mpfb3;
166 u_char mpfb4;
167 u_char mpfb5;
168} mpfps_t;
169
170/* MP Configuration Table Header */
171typedef struct MPCTH {
172 char signature[ 4 ];
173 u_short base_table_length;
174 u_char spec_rev;
175 u_char checksum;
176 u_char oem_id[ 8 ];
177 u_char product_id[ 12 ];
178 void* oem_table_pointer;
179 u_short oem_table_size;
180 u_short entry_count;
181 void* apic_address;
182 u_short extended_table_length;
183 u_char extended_table_checksum;
184 u_char reserved;
185} mpcth_t;
186
187
188typedef struct PROCENTRY {
189 u_char type;
190 u_char apicID;
191 u_char apicVersion;
192 u_char cpuFlags;
193 u_long cpuSignature;
194 u_long featureFlags;
195 u_long reserved1;
196 u_long reserved2;
197} ProcEntry;
198
199typedef struct BUSENTRY {
200 u_char type;
201 u_char busID;
202 char busType[ 6 ];
203} BusEntry;
204
205typedef struct IOAPICENTRY {
206 u_char type;
207 u_char apicID;
208 u_char apicVersion;
209 u_char apicFlags;
210 void* apicAddress;
211} IOApicEntry;
212
213typedef struct INTENTRY {
214 u_char type;
215 u_char intType;
216 u_short intFlags;
217 u_char srcBusID;
218 u_char srcBusIRQ;
219 u_char dstApicID;
220 u_char dstApicINT;
221} IntEntry;
222
223
224/*
225 * extended entry type structures
226 */
227
228typedef struct SASENTRY {
229 u_char type;
230 u_char length;
231 u_char busID;
232 u_char addressType;
233 u_int64_t addressBase;
234 u_int64_t addressLength;
235} SasEntry;
236
237
238typedef struct BHDENTRY {
239 u_char type;
240 u_char length;
241 u_char busID;
242 u_char busInfo;
243 u_char busParent;
244 u_char reserved[ 3 ];
245} BhdEntry;
246
247
248typedef struct CBASMENTRY {
249 u_char type;
250 u_char length;
251 u_char busID;
252 u_char addressMod;
253 u_int predefinedRange;
254} CbasmEntry;
255
256
257
258static void apic_probe( vm_offset_t* paddr, int* where );
259
260static void MPConfigDefault( int featureByte );
261
262static void MPFloatingPointer( vm_offset_t paddr, int where, mpfps_t* mpfps );
263static void MPConfigTableHeader( void* pap );
264
265static int readType( void );
266static void seekEntry( vm_offset_t addr );
267static void readEntry( void* entry, int size );
268
269static void processorEntry( void );
270static void busEntry( void );
271static void ioApicEntry( void );
272static void intEntry( void );
273
274static void sasEntry( void );
275static void bhdEntry( void );
276static void cbasmEntry( void );
277
278static void doDmesg( void );
279static void pnstr( char* s, int c );
280
281/* global data */
282int pfd; /* physical /dev/mem fd */
283
284int busses[ 16 ];
285int apics[ 16 ];
286
287int ncpu;
288int nbus;
289int napic;
290int nintr;
291
292int dmesg;
293int grope;
294int verbose;
295
296static void
297usage( void )
298{
299 fprintf( stderr, "usage: mptable [-dmesg] [-verbose] [-grope] [-help]\n" );
300 exit( 0 );
301}
302
303/*
304 *
305 */
306int
307main( int argc, char *argv[] )
308{
309 vm_offset_t paddr;
310 int where;
311 mpfps_t mpfps;
312 int defaultConfig;
313
314 extern int optreset;
315 int ch;
316
317 /* announce ourselves */
318 puts( SEP_LINE2 );
319
320 printf( "MPTable, version %d.%d.%d\n", VMAJOR, VMINOR, VDELTA );
321
322 while ((ch = getopt(argc, argv, "d:g:h:v:")) != -1) {
323 switch(ch) {
324 case 'd':
325 if ( strcmp( optarg, "mesg") == 0 )
326 dmesg = 1;
327 else
328 dmesg = 0;
329 break;
330 case 'h':
331 if ( strcmp( optarg, "elp") == 0 )
332 usage();
333 break;
334 case 'g':
335 if ( strcmp( optarg, "rope") == 0 )
336 grope = 1;
337 break;
338 case 'v':
339 if ( strcmp( optarg, "erbose") == 0 )
340 verbose = 1;
341 break;
342 default:
343 usage();
344 }
984263bc
MD
345 }
346
12a38ea4
JS
347 argc -= optind;
348 argv += optind;
349
984263bc
MD
350 /* open physical memory for access to MP structures */
351 if ( (pfd = open( _PATH_MEM, O_RDONLY )) < 0 )
352 err( 1, "mem open" );
353
354 /* probe for MP structures */
355 apic_probe( &paddr, &where );
356 if ( where <= 0 ) {
357 fprintf( stderr, "\n MP FPS NOT found,\n" );
358 fprintf( stderr, " suggest trying -grope option!!!\n\n" );
359 return 1;
360 }
361
362 if ( verbose )
363 printf( "\n MP FPS found in %s @ physical addr: 0x%08x\n",
364 whereStrings[ where - 1 ], paddr );
365
366 puts( SEP_LINE );
367
368 /* analyze the MP Floating Pointer Structure */
369 MPFloatingPointer( paddr, where, &mpfps );
370
371 puts( SEP_LINE );
372
373 /* check whether an MP config table exists */
374 if ( (defaultConfig = mpfps.mpfb1) )
375 MPConfigDefault( defaultConfig );
376 else
377 MPConfigTableHeader( mpfps.pap );
378
379 /* do a dmesg output */
380 if ( dmesg )
381 doDmesg();
382
383 puts( SEP_LINE2 );
384
385 return 0;
386}
387
388
389/*
390 * set PHYSICAL address of MP floating pointer structure
391 */
392#define NEXT(X) ((X) += 4)
393static void
394apic_probe( vm_offset_t* paddr, int* where )
395{
396 /*
397 * c rewrite of apic_probe() by Jack F. Vogel
398 */
399
400 int x;
401 u_short segment;
402 vm_offset_t target;
403 u_int buffer[ BIOS_SIZE / sizeof( int ) ];
404
405 if ( verbose )
406 printf( "\n" );
407
408 /* search Extended Bios Data Area, if present */
409 if ( verbose )
410 printf( " looking for EBDA pointer @ 0x%04x, ", EBDA_POINTER );
411 seekEntry( (vm_offset_t)EBDA_POINTER );
412 readEntry( &segment, 2 );
413 if ( segment ) { /* search EBDA */
414 target = (vm_offset_t)segment << 4;
415 if ( verbose )
416 printf( "found, searching EBDA @ 0x%08x\n", target );
417 seekEntry( target );
418 readEntry( buffer, ONE_KBYTE );
419
420 for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) {
421 if ( buffer[ x ] == MP_SIG ) {
422 *where = 1;
423 *paddr = (x * sizeof( unsigned int )) + target;
424 return;
425 }
426 }
427 }
428 else {
429 if ( verbose )
430 printf( "NOT found\n" );
431 }
432
433 /* read CMOS for real top of mem */
434 seekEntry( (vm_offset_t)TOPOFMEM_POINTER );
435 readEntry( &segment, 2 );
436 --segment; /* less ONE_KBYTE */
437 target = segment * 1024;
438 if ( verbose )
439 printf( " searching CMOS 'top of mem' @ 0x%08x (%dK)\n",
440 target, segment );
441 seekEntry( target );
442 readEntry( buffer, ONE_KBYTE );
443
444 for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) {
445 if ( buffer[ x ] == MP_SIG ) {
446 *where = 2;
447 *paddr = (x * sizeof( unsigned int )) + target;
448 return;
449 }
450 }
451
452 /* we don't necessarily believe CMOS, check base of the last 1K of 640K */
453 if ( target != (DEFAULT_TOPOFMEM - 1024)) {
454 target = (DEFAULT_TOPOFMEM - 1024);
455 if ( verbose )
456 printf( " searching default 'top of mem' @ 0x%08x (%dK)\n",
457 target, (target / 1024) );
458 seekEntry( target );
459 readEntry( buffer, ONE_KBYTE );
460
461 for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) {
462 if ( buffer[ x ] == MP_SIG ) {
463 *where = 3;
464 *paddr = (x * sizeof( unsigned int )) + target;
465 return;
466 }
467 }
468 }
469
470 /* search the BIOS */
471 if ( verbose )
472 printf( " searching BIOS @ 0x%08x\n", BIOS_BASE );
473 seekEntry( BIOS_BASE );
474 readEntry( buffer, BIOS_SIZE );
475
476 for ( x = 0; x < BIOS_SIZE / sizeof( unsigned int ); NEXT(x) ) {
477 if ( buffer[ x ] == MP_SIG ) {
478 *where = 4;
479 *paddr = (x * sizeof( unsigned int )) + BIOS_BASE;
480 return;
481 }
482 }
483
484 /* search the extended BIOS */
485 if ( verbose )
486 printf( " searching extended BIOS @ 0x%08x\n", BIOS_BASE2 );
487 seekEntry( BIOS_BASE2 );
488 readEntry( buffer, BIOS_SIZE );
489
490 for ( x = 0; x < BIOS_SIZE / sizeof( unsigned int ); NEXT(x) ) {
491 if ( buffer[ x ] == MP_SIG ) {
492 *where = 5;
493 *paddr = (x * sizeof( unsigned int )) + BIOS_BASE2;
494 return;
495 }
496 }
497
498 if ( grope ) {
499 /* search additional memory */
500 target = GROPE_AREA1;
501 if ( verbose )
502 printf( " groping memory @ 0x%08x\n", target );
503 seekEntry( target );
504 readEntry( buffer, GROPE_SIZE );
505
506 for ( x = 0; x < GROPE_SIZE / sizeof( unsigned int ); NEXT(x) ) {
507 if ( buffer[ x ] == MP_SIG ) {
508 *where = 6;
509 *paddr = (x * sizeof( unsigned int )) + GROPE_AREA1;
510 return;
511 }
512 }
513
514 target = GROPE_AREA2;
515 if ( verbose )
516 printf( " groping memory @ 0x%08x\n", target );
517 seekEntry( target );
518 readEntry( buffer, GROPE_SIZE );
519
520 for ( x = 0; x < GROPE_SIZE / sizeof( unsigned int ); NEXT(x) ) {
521 if ( buffer[ x ] == MP_SIG ) {
522 *where = 7;
523 *paddr = (x * sizeof( unsigned int )) + GROPE_AREA2;
524 return;
525 }
526 }
527 }
528
529 *where = 0;
530 *paddr = (vm_offset_t)0;
531}
532
533
534/*
535 *
536 */
537static void
538MPFloatingPointer( vm_offset_t paddr, int where, mpfps_t* mpfps )
539{
540
541 /* read in mpfps structure*/
542 seekEntry( paddr );
543 readEntry( mpfps, sizeof( mpfps_t ) );
544
545 /* show its contents */
546 printf( "MP Floating Pointer Structure:\n\n" );
547
548 printf( " location:\t\t\t" );
549 switch ( where )
550 {
551 case 1:
552 printf( "EBDA\n" );
553 break;
554 case 2:
555 printf( "BIOS base memory\n" );
556 break;
557 case 3:
558 printf( "DEFAULT base memory (639K)\n" );
559 break;
560 case 4:
561 printf( "BIOS\n" );
562 break;
563 case 5:
564 printf( "Extended BIOS\n" );
565 break;
566
567 case 0:
568 printf( "NOT found!\n" );
569 exit( 1 );
570 default:
571 printf( "BOGUS!\n" );
572 exit( 1 );
573 }
574 printf( " physical address:\t\t0x%08x\n", paddr );
575
576 printf( " signature:\t\t\t'" );
577 pnstr( mpfps->signature, 4 );
578 printf( "'\n" );
579
580 printf( " length:\t\t\t%d bytes\n", mpfps->length * 16 );
581 printf( " version:\t\t\t1.%1d\n", mpfps->spec_rev );
582 printf( " checksum:\t\t\t0x%02x\n", mpfps->checksum );
583
584 /* bits 0:6 are RESERVED */
585 if ( mpfps->mpfb2 & 0x7f ) {
586 printf( " warning, MP feature byte 2: 0x%02x\n", mpfps->mpfb2 );
587 }
588
589 /* bit 7 is IMCRP */
590 printf( " mode:\t\t\t\t%s\n", (mpfps->mpfb2 & 0x80) ?
591 "PIC" : "Virtual Wire" );
592
593 /* MP feature bytes 3-5 are expected to be ZERO */
594 if ( mpfps->mpfb3 )
595 printf( " warning, MP feature byte 3 NONZERO!\n" );
596 if ( mpfps->mpfb4 )
597 printf( " warning, MP feature byte 4 NONZERO!\n" );
598 if ( mpfps->mpfb5 )
599 printf( " warning, MP feature byte 5 NONZERO!\n" );
600}
601
602
603/*
604 *
605 */
606static void
607MPConfigDefault( int featureByte )
608{
609 printf( " MP default config type: %d\n\n", featureByte );
610 switch ( featureByte ) {
611 case 1:
612 printf( " bus: ISA, APIC: 82489DX\n" );
613 break;
614 case 2:
615 printf( " bus: EISA, APIC: 82489DX\n" );
616 break;
617 case 3:
618 printf( " bus: EISA, APIC: 82489DX\n" );
619 break;
620 case 4:
621 printf( " bus: MCA, APIC: 82489DX\n" );
622 break;
623 case 5:
624 printf( " bus: ISA+PCI, APIC: Integrated\n" );
625 break;
626 case 6:
627 printf( " bus: EISA+PCI, APIC: Integrated\n" );
628 break;
629 case 7:
630 printf( " bus: MCA+PCI, APIC: Integrated\n" );
631 break;
632 default:
633 printf( " future type\n" );
634 break;
635 }
636
637 switch ( featureByte ) {
638 case 1:
639 case 2:
640 case 3:
641 case 4:
642 nbus = 1;
643 break;
644 case 5:
645 case 6:
646 case 7:
647 nbus = 2;
648 break;
649 default:
650 printf( " future type\n" );
651 break;
652 }
653
654 ncpu = 2;
655 napic = 1;
656 nintr = 16;
657}
658
659
660/*
661 *
662 */
663static void
664MPConfigTableHeader( void* pap )
665{
666 vm_offset_t paddr;
667 mpcth_t cth;
668 int x;
669 int totalSize, t;
670 int count, c;
671 int type;
672
673 if ( pap == 0 ) {
674 printf( "MP Configuration Table Header MISSING!\n" );
675 exit( 1 );
676 }
677
678 /* convert physical address to virtual address */
679 paddr = (vm_offset_t)pap;
680
681 /* read in cth structure */
682 seekEntry( paddr );
683 readEntry( &cth, sizeof( cth ) );
684
685 printf( "MP Config Table Header:\n\n" );
686
687 printf( " physical address:\t\t0x%08x\n", pap );
688
689 printf( " signature:\t\t\t'" );
690 pnstr( cth.signature, 4 );
691 printf( "'\n" );
692
693 printf( " base table length:\t\t%d\n", cth.base_table_length );
694
695 printf( " version:\t\t\t1.%1d\n", cth.spec_rev );
696 printf( " checksum:\t\t\t0x%02x\n", cth.checksum );
697
698 printf( " OEM ID:\t\t\t'" );
699 pnstr( cth.oem_id, 8 );
700 printf( "'\n" );
701
702 printf( " Product ID:\t\t\t'" );
703 pnstr( cth.product_id, 12 );
704 printf( "'\n" );
705
706 printf( " OEM table pointer:\t\t0x%08x\n", cth.oem_table_pointer );
707 printf( " OEM table size:\t\t%d\n", cth.oem_table_size );
708
709 printf( " entry count:\t\t\t%d\n", cth.entry_count );
710
711 printf( " local APIC address:\t\t0x%08x\n", cth.apic_address );
712
713 printf( " extended table length:\t%d\n", cth.extended_table_length );
714 printf( " extended table checksum:\t%d\n", cth.extended_table_checksum );
715
716 totalSize = cth.base_table_length - sizeof( struct MPCTH );
717 count = cth.entry_count;
718
719 puts( SEP_LINE );
720
721 printf( "MP Config Base Table Entries:\n\n" );
722
723 /* initialze tables */
724 for ( x = 0; x < 16; ++x ) {
725 busses[ x ] = apics[ x ] = 0xff;
726 }
727
728 ncpu = 0;
729 nbus = 0;
730 napic = 0;
731 nintr = 0;
732
733 /* process all the CPUs */
734 printf( "--\nProcessors:\tAPIC ID\tVersion\tState"
735 "\t\tFamily\tModel\tStep\tFlags\n" );
736 for ( t = totalSize, c = count; c; c-- ) {
737 if ( readType() == 0 )
738 processorEntry();
739 totalSize -= basetableEntryTypes[ 0 ].length;
740 }
741
742 /* process all the busses */
743 printf( "--\nBus:\t\tBus ID\tType\n" );
744 for ( t = totalSize, c = count; c; c-- ) {
745 if ( readType() == 1 )
746 busEntry();
747 totalSize -= basetableEntryTypes[ 1 ].length;
748 }
749
750 /* process all the apics */
751 printf( "--\nI/O APICs:\tAPIC ID\tVersion\tState\t\tAddress\n" );
752 for ( t = totalSize, c = count; c; c-- ) {
753 if ( readType() == 2 )
754 ioApicEntry();
755 totalSize -= basetableEntryTypes[ 2 ].length;
756 }
757
758 /* process all the I/O Ints */
759 printf( "--\nI/O Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#\n" );
760 for ( t = totalSize, c = count; c; c-- ) {
761 if ( readType() == 3 )
762 intEntry();
763 totalSize -= basetableEntryTypes[ 3 ].length;
764 }
765
766 /* process all the Local Ints */
767 printf( "--\nLocal Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#\n" );
768 for ( t = totalSize, c = count; c; c-- ) {
769 if ( readType() == 4 )
770 intEntry();
771 totalSize -= basetableEntryTypes[ 4 ].length;
772 }
773
774
775#if defined( EXTENDED_PROCESSING_READY )
776 /* process any extended data */
777 if ( (totalSize = cth.extended_table_length) ) {
778 puts( SEP_LINE );
779
780 printf( "MP Config Extended Table Entries:\n\n" );
781
782 while ( totalSize > 0 ) {
783 switch ( type = readType() ) {
784 case 128:
785 sasEntry();
786 break;
787 case 129:
788 bhdEntry();
789 break;
790 case 130:
791 cbasmEntry();
792 break;
793 default:
794 printf( "Extended Table HOSED!\n" );
795 exit( 1 );
796 }
797
798 totalSize -= extendedtableEntryTypes[ type-128 ].length;
799 }
800 }
801#endif /* EXTENDED_PROCESSING_READY */
802
803 /* process any OEM data */
804 if ( cth.oem_table_pointer && (cth.oem_table_size > 0) ) {
805#if defined( OEM_PROCESSING_READY )
806# error your on your own here!
807 /* convert OEM table pointer to virtual address */
808 poemtp = (vm_offset_t)cth.oem_table_pointer;
809
810 /* read in oem table structure */
811 if ( (oemdata = (void*)malloc( cth.oem_table_size )) == NULL )
812 err( 1, "oem malloc" );
813
814 seekEntry( poemtp );
815 readEntry( oemdata, cth.oem_table_size );
816
817 /** process it */
818
819 free( oemdata );
820#else
821 printf( "\nyou need to modify the source to handle OEM data!\n\n" );
822#endif /* OEM_PROCESSING_READY */
823 }
824
825 fflush( stdout );
826
827#if defined( RAW_DUMP )
828{
829 int ofd;
830 u_char dumpbuf[ 4096 ];
831
832 ofd = open( "/tmp/mpdump", O_CREAT | O_RDWR );
833 seekEntry( paddr );
834 readEntry( dumpbuf, 1024 );
835 write( ofd, dumpbuf, 1024 );
836 close( ofd );
837}
838#endif /* RAW_DUMP */
839}
840
841
842/*
843 *
844 */
845static int
846readType( void )
847{
848 u_char type;
849
850 if ( read( pfd, &type, sizeof( u_char ) ) != sizeof( u_char ) )
851 err( 1, "type read; pfd: %d", pfd );
852
853 if ( lseek( pfd, -1, SEEK_CUR ) < 0 )
854 err( 1, "type seek" );
855
856 return (int)type;
857}
858
859
860/*
861 *
862 */
863static void
864seekEntry( vm_offset_t addr )
865{
866 if ( lseek( pfd, (off_t)addr, SEEK_SET ) < 0 )
867 err( 1, "%s seek", _PATH_MEM );
868}
869
870
871/*
872 *
873 */
874static void
875readEntry( void* entry, int size )
876{
877 if ( read( pfd, entry, size ) != size )
878 err( 1, "readEntry" );
879}
880
881
882static void
883processorEntry( void )
884{
885 ProcEntry entry;
886
887 /* read it into local memory */
888 readEntry( &entry, sizeof( entry ) );
889
890 /* count it */
891 ++ncpu;
892
893 printf( "\t\t%2d", entry.apicID );
894 printf( "\t 0x%2x", entry.apicVersion );
895
896 printf( "\t %s, %s",
897 (entry.cpuFlags & PROCENTRY_FLAG_BP) ? "BSP" : "AP",
898 (entry.cpuFlags & PROCENTRY_FLAG_EN) ? "usable" : "unusable" );
899
900 printf( "\t %d\t %d\t %d",
901 (entry.cpuSignature >> 8) & 0x0f,
902 (entry.cpuSignature >> 4) & 0x0f,
903 entry.cpuSignature & 0x0f );
904
905 printf( "\t 0x%04x\n", entry.featureFlags );
906}
907
908
909/*
910 *
911 */
912static int
913lookupBusType( char* name )
914{
915 int x;
916
917 for ( x = 0; x < MAX_BUSTYPE; ++x )
918 if ( strcmp( busTypeTable[ x ].name, name ) == 0 )
919 return busTypeTable[ x ].type;
920
921 return UNKNOWN_BUSTYPE;
922}
923
924
925static void
926busEntry( void )
927{
928 int x;
929 char name[ 8 ];
930 char c;
931 BusEntry entry;
932
933 /* read it into local memory */
934 readEntry( &entry, sizeof( entry ) );
935
936 /* count it */
937 ++nbus;
938
939 printf( "\t\t%2d", entry.busID );
940 printf( "\t " ); pnstr( entry.busType, 6 ); printf( "\n" );
941
942 for ( x = 0; x < 6; ++x ) {
943 if ( (c = entry.busType[ x ]) == ' ' )
944 break;
945 name[ x ] = c;
946 }
947 name[ x ] = '\0';
948 busses[ entry.busID ] = lookupBusType( name );
949}
950
951
952static void
953ioApicEntry( void )
954{
955 IOApicEntry entry;
956
957 /* read it into local memory */
958 readEntry( &entry, sizeof( entry ) );
959
960 /* count it */
961 ++napic;
962
963 printf( "\t\t%2d", entry.apicID );
964 printf( "\t 0x%02x", entry.apicVersion );
965 printf( "\t %s",
966 (entry.apicFlags & IOAPICENTRY_FLAG_EN) ? "usable" : "unusable" );
967 printf( "\t\t 0x%x\n", entry.apicAddress );
968
969 apics[ entry.apicID ] = entry.apicID;
970}
971
972
973char* intTypes[] = {
974 "INT", "NMI", "SMI", "ExtINT"
975};
976
977char* polarityMode[] = {
978 "conforms", "active-hi", "reserved", "active-lo"
979};
980char* triggerMode[] = {
981 "conforms", "edge", "reserved", "level"
982};
983
984static void
985intEntry( void )
986{
987 IntEntry entry;
988
989 /* read it into local memory */
990 readEntry( &entry, sizeof( entry ) );
991
992 /* count it */
993 if ( (int)entry.type == 3 )
994 ++nintr;
995
996 printf( "\t\t%s", intTypes[ (int)entry.intType ] );
997
998 printf( "\t%9s", polarityMode[ (int)entry.intFlags & 0x03 ] );
999 printf( "%12s", triggerMode[ ((int)entry.intFlags >> 2) & 0x03 ] );
1000
1001 printf( "\t %5d", (int)entry.srcBusID );
1002 if ( busses[ (int)entry.srcBusID ] == PCI )
1003 printf( "\t%2d:%c",
1004 ((int)entry.srcBusIRQ >> 2) & 0x1f,
1005 ((int)entry.srcBusIRQ & 0x03) + 'A' );
1006 else
1007 printf( "\t %3d", (int)entry.srcBusIRQ );
1008 printf( "\t %6d", (int)entry.dstApicID );
1009 printf( "\t %3d\n", (int)entry.dstApicINT );
1010}
1011
1012
1013static void
1014sasEntry( void )
1015{
1016 SasEntry entry;
1017
1018 /* read it into local memory */
1019 readEntry( &entry, sizeof( entry ) );
1020
1021 printf( "--\n%s\n", extendedtableEntryTypes[entry.type - 128].name );
1022 printf( " bus ID: %d", entry.busID );
1023 printf( " address type: " );
1024 switch ( entry.addressType ) {
1025 case 0:
1026 printf( "I/O address\n" );
1027 break;
1028 case 1:
1029 printf( "memory address\n" );
1030 break;
1031 case 2:
1032 printf( "prefetch address\n" );
1033 break;
1034 default:
1035 printf( "UNKNOWN type\n" );
1036 break;
1037 }
1038
1039 printf( " address base: 0x%qx\n", entry.addressBase );
1040 printf( " address range: 0x%qx\n", entry.addressLength );
1041}
1042
1043
1044static void
1045bhdEntry( void )
1046{
1047 BhdEntry entry;
1048
1049 /* read it into local memory */
1050 readEntry( &entry, sizeof( entry ) );
1051
1052 printf( "--\n%s\n", extendedtableEntryTypes[entry.type - 128].name );
1053 printf( " bus ID: %d", entry.busID );
1054 printf( " bus info: 0x%02x", entry.busInfo );
1055 printf( " parent bus ID: %d\n", entry.busParent );
1056}
1057
1058
1059static void
1060cbasmEntry( void )
1061{
1062 CbasmEntry entry;
1063
1064 /* read it into local memory */
1065 readEntry( &entry, sizeof( entry ) );
1066
1067 printf( "--\n%s\n", extendedtableEntryTypes[entry.type - 128].name );
1068 printf( " bus ID: %d", entry.busID );
1069 printf( " address modifier: %s\n", (entry.addressMod & 0x01) ?
1070 "subtract" : "add" );
1071 printf( " predefined range: 0x%08x\n", entry.predefinedRange );
1072}
1073
1074
1075/*
1076 * do a dmesg output
1077 */
1078static void
1079doDmesg( void )
1080{
1081 puts( SEP_LINE );
1082
1083 printf( "dmesg output:\n\n" );
1084 fflush( stdout );
1085 system( "dmesg" );
1086}
1087
1088
1089/*
1090 *
1091 */
1092static void
1093pnstr( char* s, int c )
1094{
1095 char string[ MAXPNSTR + 1 ];
1096
1097 if ( c > MAXPNSTR )
1098 c = MAXPNSTR;
1099 strncpy( string, s, c );
1100 string[ c ] = '\0';
1101 printf( "%s", string );
1102}