d5130a84f6
We don't give a version number each userland binary.
1111 lines
24 KiB
C
1111 lines
24 KiB
C
/*
|
|
* Copyright (c) 1996, by Steve Passe
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. The name of the developer may NOT be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* mptable.c
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* this will cause the raw mp table to be dumped to /tmp/mpdump
|
|
*
|
|
#define RAW_DUMP
|
|
*/
|
|
|
|
#define MP_SIG 0x5f504d5f /* _MP_ */
|
|
#define EXTENDED_PROCESSING_READY
|
|
#define OEM_PROCESSING_READY_NOT
|
|
|
|
#include <sys/types.h>
|
|
#include <err.h>
|
|
#include <fcntl.h>
|
|
#include <paths.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#define SEP_LINE \
|
|
"\n-------------------------------------------------------------------------------\n"
|
|
|
|
#define SEP_LINE2 \
|
|
"\n===============================================================================\n"
|
|
|
|
/* EBDA is @ 40:0e in real-mode terms */
|
|
#define EBDA_POINTER 0x040e /* location of EBDA pointer */
|
|
|
|
/* CMOS 'top of mem' is @ 40:13 in real-mode terms */
|
|
#define TOPOFMEM_POINTER 0x0413 /* BIOS: base memory size */
|
|
|
|
#define DEFAULT_TOPOFMEM 0xa0000
|
|
|
|
#define BIOS_BASE 0xf0000
|
|
#define BIOS_BASE2 0xe0000
|
|
#define BIOS_SIZE 0x10000
|
|
#define ONE_KBYTE 1024
|
|
|
|
#define GROPE_AREA1 0x80000
|
|
#define GROPE_AREA2 0x90000
|
|
#define GROPE_SIZE 0x10000
|
|
|
|
#define PROCENTRY_FLAG_EN 0x01
|
|
#define PROCENTRY_FLAG_BP 0x02
|
|
#define IOAPICENTRY_FLAG_EN 0x01
|
|
|
|
#define MAXPNSTR 132
|
|
|
|
enum busTypes {
|
|
CBUS = 1,
|
|
CBUSII = 2,
|
|
EISA = 3,
|
|
ISA = 6,
|
|
PCI = 13,
|
|
XPRESS = 18,
|
|
MAX_BUSTYPE = 18,
|
|
UNKNOWN_BUSTYPE = 0xff
|
|
};
|
|
|
|
typedef struct BUSTYPENAME {
|
|
u_char type;
|
|
char name[ 7 ];
|
|
} busTypeName;
|
|
|
|
static busTypeName busTypeTable[] =
|
|
{
|
|
{ CBUS, "CBUS" },
|
|
{ CBUSII, "CBUSII" },
|
|
{ EISA, "EISA" },
|
|
{ UNKNOWN_BUSTYPE, "---" },
|
|
{ UNKNOWN_BUSTYPE, "---" },
|
|
{ ISA, "ISA" },
|
|
{ UNKNOWN_BUSTYPE, "---" },
|
|
{ UNKNOWN_BUSTYPE, "---" },
|
|
{ UNKNOWN_BUSTYPE, "---" },
|
|
{ UNKNOWN_BUSTYPE, "---" },
|
|
{ UNKNOWN_BUSTYPE, "---" },
|
|
{ UNKNOWN_BUSTYPE, "---" },
|
|
{ PCI, "PCI" },
|
|
{ UNKNOWN_BUSTYPE, "---" },
|
|
{ UNKNOWN_BUSTYPE, "---" },
|
|
{ UNKNOWN_BUSTYPE, "---" },
|
|
{ UNKNOWN_BUSTYPE, "---" },
|
|
{ UNKNOWN_BUSTYPE, "---" },
|
|
{ UNKNOWN_BUSTYPE, "---" }
|
|
};
|
|
|
|
const char* whereStrings[] = {
|
|
"Extended BIOS Data Area",
|
|
"BIOS top of memory",
|
|
"Default top of memory",
|
|
"BIOS",
|
|
"Extended BIOS",
|
|
"GROPE AREA #1",
|
|
"GROPE AREA #2"
|
|
};
|
|
|
|
typedef struct TABLE_ENTRY {
|
|
u_char type;
|
|
u_char length;
|
|
char name[ 32 ];
|
|
} tableEntry;
|
|
|
|
tableEntry basetableEntryTypes[] =
|
|
{
|
|
{ 0, 20, "Processor" },
|
|
{ 1, 8, "Bus" },
|
|
{ 2, 8, "I/O APIC" },
|
|
{ 3, 8, "I/O INT" },
|
|
{ 4, 8, "Local INT" }
|
|
};
|
|
|
|
tableEntry extendedtableEntryTypes[] =
|
|
{
|
|
{ 128, 20, "System Address Space" },
|
|
{ 129, 8, "Bus Heirarchy" },
|
|
{ 130, 8, "Compatibility Bus Address" }
|
|
};
|
|
|
|
/* MP Floating Pointer Structure */
|
|
typedef struct MPFPS {
|
|
char signature[ 4 ];
|
|
u_int32_t pap;
|
|
u_char length;
|
|
u_char spec_rev;
|
|
u_char checksum;
|
|
u_char mpfb1;
|
|
u_char mpfb2;
|
|
u_char mpfb3;
|
|
u_char mpfb4;
|
|
u_char mpfb5;
|
|
} mpfps_t;
|
|
|
|
/* MP Configuration Table Header */
|
|
typedef struct MPCTH {
|
|
char signature[ 4 ];
|
|
u_short base_table_length;
|
|
u_char spec_rev;
|
|
u_char checksum;
|
|
u_char oem_id[ 8 ];
|
|
u_char product_id[ 12 ];
|
|
u_int32_t oem_table_pointer;
|
|
u_short oem_table_size;
|
|
u_short entry_count;
|
|
u_int32_t apic_address;
|
|
u_short extended_table_length;
|
|
u_char extended_table_checksum;
|
|
u_char reserved;
|
|
} mpcth_t;
|
|
|
|
|
|
typedef struct PROCENTRY {
|
|
u_char type;
|
|
u_char apicID;
|
|
u_char apicVersion;
|
|
u_char cpuFlags;
|
|
u_int32_t cpuSignature;
|
|
u_int32_t featureFlags;
|
|
u_int32_t reserved1;
|
|
u_int32_t reserved2;
|
|
} ProcEntry;
|
|
|
|
typedef struct BUSENTRY {
|
|
u_char type;
|
|
u_char busID;
|
|
char busType[ 6 ];
|
|
} BusEntry;
|
|
|
|
typedef struct IOAPICENTRY {
|
|
u_char type;
|
|
u_char apicID;
|
|
u_char apicVersion;
|
|
u_char apicFlags;
|
|
u_int32_t apicAddress;
|
|
} IOApicEntry;
|
|
|
|
typedef struct INTENTRY {
|
|
u_char type;
|
|
u_char intType;
|
|
u_short intFlags;
|
|
u_char srcBusID;
|
|
u_char srcBusIRQ;
|
|
u_char dstApicID;
|
|
u_char dstApicINT;
|
|
} IntEntry;
|
|
|
|
|
|
/*
|
|
* extended entry type structures
|
|
*/
|
|
|
|
typedef struct SASENTRY {
|
|
u_char type;
|
|
u_char length;
|
|
u_char busID;
|
|
u_char addressType;
|
|
u_int64_t addressBase;
|
|
u_int64_t addressLength;
|
|
} __attribute__((__packed__)) SasEntry;
|
|
|
|
|
|
typedef struct BHDENTRY {
|
|
u_char type;
|
|
u_char length;
|
|
u_char busID;
|
|
u_char busInfo;
|
|
u_char busParent;
|
|
u_char reserved[ 3 ];
|
|
} BhdEntry;
|
|
|
|
|
|
typedef struct CBASMENTRY {
|
|
u_char type;
|
|
u_char length;
|
|
u_char busID;
|
|
u_char addressMod;
|
|
u_int predefinedRange;
|
|
} CbasmEntry;
|
|
|
|
|
|
|
|
static void apic_probe( u_int32_t* paddr, int* where );
|
|
|
|
static void MPConfigDefault( int featureByte );
|
|
|
|
static void MPFloatingPointer( u_int32_t paddr, int where, mpfps_t* mpfps );
|
|
static void MPConfigTableHeader( u_int32_t pap );
|
|
|
|
static int readType( void );
|
|
static void seekEntry( u_int32_t addr );
|
|
static void readEntry( void* entry, int size );
|
|
|
|
static void processorEntry( void );
|
|
static void busEntry( void );
|
|
static void ioApicEntry( void );
|
|
static void intEntry( void );
|
|
|
|
static void sasEntry( void );
|
|
static void bhdEntry( void );
|
|
static void cbasmEntry( void );
|
|
|
|
static void doDmesg( void );
|
|
static void pnstr( char* s, int c );
|
|
|
|
/* global data */
|
|
int pfd; /* physical /dev/mem fd */
|
|
|
|
int busses[ 16 ];
|
|
int apics[ 16 ];
|
|
|
|
int ncpu;
|
|
int nbus;
|
|
int napic;
|
|
int nintr;
|
|
|
|
int dmesg;
|
|
int grope;
|
|
int verbose;
|
|
|
|
static void
|
|
usage( void )
|
|
{
|
|
fprintf( stderr, "usage: mptable [-dmesg] [-verbose] [-grope] [-help]\n" );
|
|
exit( 0 );
|
|
}
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
main( int argc, char *argv[] )
|
|
{
|
|
u_int32_t paddr;
|
|
int where;
|
|
mpfps_t mpfps;
|
|
int defaultConfig;
|
|
|
|
int ch;
|
|
|
|
/* announce ourselves */
|
|
puts( SEP_LINE2 );
|
|
|
|
printf( "MPTable\n" );
|
|
|
|
while ((ch = getopt(argc, argv, "d:g:h:v:")) != -1) {
|
|
switch(ch) {
|
|
case 'd':
|
|
if ( strcmp( optarg, "mesg") == 0 )
|
|
dmesg = 1;
|
|
else
|
|
dmesg = 0;
|
|
break;
|
|
case 'h':
|
|
if ( strcmp( optarg, "elp") == 0 )
|
|
usage();
|
|
break;
|
|
case 'g':
|
|
if ( strcmp( optarg, "rope") == 0 )
|
|
grope = 1;
|
|
break;
|
|
case 'v':
|
|
if ( strcmp( optarg, "erbose") == 0 )
|
|
verbose = 1;
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
optreset = 1;
|
|
optind = 0;
|
|
}
|
|
|
|
/* open physical memory for access to MP structures */
|
|
if ( (pfd = open( _PATH_MEM, O_RDONLY )) < 0 )
|
|
err( 1, "mem open" );
|
|
|
|
/* probe for MP structures */
|
|
apic_probe( &paddr, &where );
|
|
if ( where <= 0 ) {
|
|
fprintf( stderr, "\n MP FPS NOT found,\n" );
|
|
fprintf( stderr, " suggest trying -grope option!!!\n\n" );
|
|
return 1;
|
|
}
|
|
|
|
if ( verbose )
|
|
printf( "\n MP FPS found in %s @ physical addr: 0x%08x\n",
|
|
whereStrings[ where - 1 ], paddr );
|
|
|
|
puts( SEP_LINE );
|
|
|
|
/* analyze the MP Floating Pointer Structure */
|
|
MPFloatingPointer( paddr, where, &mpfps );
|
|
|
|
puts( SEP_LINE );
|
|
|
|
/* check whether an MP config table exists */
|
|
if ( (defaultConfig = mpfps.mpfb1) )
|
|
MPConfigDefault( defaultConfig );
|
|
else
|
|
MPConfigTableHeader( mpfps.pap );
|
|
|
|
/* do a dmesg output */
|
|
if ( dmesg )
|
|
doDmesg();
|
|
|
|
puts( SEP_LINE2 );
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* set PHYSICAL address of MP floating pointer structure
|
|
*/
|
|
#define NEXT(X) ((X) += 4)
|
|
static void
|
|
apic_probe( u_int32_t* paddr, int* where )
|
|
{
|
|
/*
|
|
* c rewrite of apic_probe() by Jack F. Vogel
|
|
*/
|
|
|
|
int x;
|
|
u_short segment;
|
|
u_int32_t target;
|
|
u_int buffer[ BIOS_SIZE / sizeof( int ) ];
|
|
|
|
if ( verbose )
|
|
printf( "\n" );
|
|
|
|
/* search Extended Bios Data Area, if present */
|
|
if ( verbose )
|
|
printf( " looking for EBDA pointer @ 0x%04x, ", EBDA_POINTER );
|
|
seekEntry( (u_int32_t)EBDA_POINTER );
|
|
readEntry( &segment, 2 );
|
|
if ( segment ) { /* search EBDA */
|
|
target = (u_int32_t)segment << 4;
|
|
if ( verbose )
|
|
printf( "found, searching EBDA @ 0x%08x\n", target );
|
|
seekEntry( target );
|
|
readEntry( buffer, ONE_KBYTE );
|
|
|
|
for ( x = 0; x < ONE_KBYTE / (int)sizeof ( unsigned int ); NEXT(x) ) {
|
|
if ( buffer[ x ] == MP_SIG ) {
|
|
*where = 1;
|
|
*paddr = (x * sizeof( unsigned int )) + target;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if ( verbose )
|
|
printf( "NOT found\n" );
|
|
}
|
|
|
|
/* read CMOS for real top of mem */
|
|
seekEntry( (u_int32_t)TOPOFMEM_POINTER );
|
|
readEntry( &segment, 2 );
|
|
--segment; /* less ONE_KBYTE */
|
|
target = segment * 1024;
|
|
if ( verbose )
|
|
printf( " searching CMOS 'top of mem' @ 0x%08x (%dK)\n",
|
|
target, segment );
|
|
seekEntry( target );
|
|
readEntry( buffer, ONE_KBYTE );
|
|
|
|
for ( x = 0; x < ONE_KBYTE / (int)sizeof ( unsigned int ); NEXT(x) ) {
|
|
if ( buffer[ x ] == MP_SIG ) {
|
|
*where = 2;
|
|
*paddr = (x * sizeof( unsigned int )) + target;
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* we don't necessarily believe CMOS, check base of the last 1K of 640K */
|
|
if ( target != (DEFAULT_TOPOFMEM - 1024)) {
|
|
target = (DEFAULT_TOPOFMEM - 1024);
|
|
if ( verbose )
|
|
printf( " searching default 'top of mem' @ 0x%08x (%dK)\n",
|
|
target, (target / 1024) );
|
|
seekEntry( target );
|
|
readEntry( buffer, ONE_KBYTE );
|
|
|
|
for ( x = 0; x < ONE_KBYTE / (int)sizeof ( unsigned int ); NEXT(x) ) {
|
|
if ( buffer[ x ] == MP_SIG ) {
|
|
*where = 3;
|
|
*paddr = (x * sizeof( unsigned int )) + target;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* search the BIOS */
|
|
if ( verbose )
|
|
printf( " searching BIOS @ 0x%08x\n", BIOS_BASE );
|
|
seekEntry( BIOS_BASE );
|
|
readEntry( buffer, BIOS_SIZE );
|
|
|
|
for ( x = 0; x < BIOS_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) {
|
|
if ( buffer[ x ] == MP_SIG ) {
|
|
*where = 4;
|
|
*paddr = (x * sizeof( unsigned int )) + BIOS_BASE;
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* search the extended BIOS */
|
|
if ( verbose )
|
|
printf( " searching extended BIOS @ 0x%08x\n", BIOS_BASE2 );
|
|
seekEntry( BIOS_BASE2 );
|
|
readEntry( buffer, BIOS_SIZE );
|
|
|
|
for ( x = 0; x < BIOS_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) {
|
|
if ( buffer[ x ] == MP_SIG ) {
|
|
*where = 5;
|
|
*paddr = (x * sizeof( unsigned int )) + BIOS_BASE2;
|
|
return;
|
|
}
|
|
}
|
|
|
|
if ( grope ) {
|
|
/* search additional memory */
|
|
target = GROPE_AREA1;
|
|
if ( verbose )
|
|
printf( " groping memory @ 0x%08x\n", target );
|
|
seekEntry( target );
|
|
readEntry( buffer, GROPE_SIZE );
|
|
|
|
for ( x = 0; x < GROPE_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) {
|
|
if ( buffer[ x ] == MP_SIG ) {
|
|
*where = 6;
|
|
*paddr = (x * sizeof( unsigned int )) + GROPE_AREA1;
|
|
return;
|
|
}
|
|
}
|
|
|
|
target = GROPE_AREA2;
|
|
if ( verbose )
|
|
printf( " groping memory @ 0x%08x\n", target );
|
|
seekEntry( target );
|
|
readEntry( buffer, GROPE_SIZE );
|
|
|
|
for ( x = 0; x < GROPE_SIZE / (int)sizeof( unsigned int ); NEXT(x) ) {
|
|
if ( buffer[ x ] == MP_SIG ) {
|
|
*where = 7;
|
|
*paddr = (x * sizeof( unsigned int )) + GROPE_AREA2;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
*where = 0;
|
|
*paddr = (u_int32_t)0;
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
static void
|
|
MPFloatingPointer( u_int32_t paddr, int where, mpfps_t* mpfps )
|
|
{
|
|
|
|
/* read in mpfps structure*/
|
|
seekEntry( paddr );
|
|
readEntry( mpfps, sizeof( mpfps_t ) );
|
|
|
|
/* show its contents */
|
|
printf( "MP Floating Pointer Structure:\n\n" );
|
|
|
|
printf( " location:\t\t\t" );
|
|
switch ( where )
|
|
{
|
|
case 1:
|
|
printf( "EBDA\n" );
|
|
break;
|
|
case 2:
|
|
printf( "BIOS base memory\n" );
|
|
break;
|
|
case 3:
|
|
printf( "DEFAULT base memory (639K)\n" );
|
|
break;
|
|
case 4:
|
|
printf( "BIOS\n" );
|
|
break;
|
|
case 5:
|
|
printf( "Extended BIOS\n" );
|
|
break;
|
|
|
|
case 0:
|
|
printf( "NOT found!\n" );
|
|
exit( 1 );
|
|
default:
|
|
printf( "BOGUS!\n" );
|
|
exit( 1 );
|
|
}
|
|
printf( " physical address:\t\t0x%08x\n", paddr );
|
|
|
|
printf( " signature:\t\t\t'" );
|
|
pnstr( mpfps->signature, 4 );
|
|
printf( "'\n" );
|
|
|
|
printf( " length:\t\t\t%d bytes\n", mpfps->length * 16 );
|
|
printf( " version:\t\t\t1.%1d\n", mpfps->spec_rev );
|
|
printf( " checksum:\t\t\t0x%02x\n", mpfps->checksum );
|
|
|
|
/* bits 0:6 are RESERVED */
|
|
if ( mpfps->mpfb2 & 0x7f ) {
|
|
printf( " warning, MP feature byte 2: 0x%02x\n", mpfps->mpfb2 );
|
|
}
|
|
|
|
/* bit 7 is IMCRP */
|
|
printf( " mode:\t\t\t\t%s\n", (mpfps->mpfb2 & 0x80) ?
|
|
"PIC" : "Virtual Wire" );
|
|
|
|
/* MP feature bytes 3-5 are expected to be ZERO */
|
|
if ( mpfps->mpfb3 )
|
|
printf( " warning, MP feature byte 3 NONZERO!\n" );
|
|
if ( mpfps->mpfb4 )
|
|
printf( " warning, MP feature byte 4 NONZERO!\n" );
|
|
if ( mpfps->mpfb5 )
|
|
printf( " warning, MP feature byte 5 NONZERO!\n" );
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
static void
|
|
MPConfigDefault( int featureByte )
|
|
{
|
|
printf( " MP default config type: %d\n\n", featureByte );
|
|
switch ( featureByte ) {
|
|
case 1:
|
|
printf( " bus: ISA, APIC: 82489DX\n" );
|
|
break;
|
|
case 2:
|
|
printf( " bus: EISA, APIC: 82489DX\n" );
|
|
break;
|
|
case 3:
|
|
printf( " bus: EISA, APIC: 82489DX\n" );
|
|
break;
|
|
case 4:
|
|
printf( " bus: MCA, APIC: 82489DX\n" );
|
|
break;
|
|
case 5:
|
|
printf( " bus: ISA+PCI, APIC: Integrated\n" );
|
|
break;
|
|
case 6:
|
|
printf( " bus: EISA+PCI, APIC: Integrated\n" );
|
|
break;
|
|
case 7:
|
|
printf( " bus: MCA+PCI, APIC: Integrated\n" );
|
|
break;
|
|
default:
|
|
printf( " future type\n" );
|
|
break;
|
|
}
|
|
|
|
switch ( featureByte ) {
|
|
case 1:
|
|
case 2:
|
|
case 3:
|
|
case 4:
|
|
nbus = 1;
|
|
break;
|
|
case 5:
|
|
case 6:
|
|
case 7:
|
|
nbus = 2;
|
|
break;
|
|
default:
|
|
printf( " future type\n" );
|
|
break;
|
|
}
|
|
|
|
ncpu = 2;
|
|
napic = 1;
|
|
nintr = 16;
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
static void
|
|
MPConfigTableHeader( u_int32_t pap )
|
|
{
|
|
u_int32_t paddr;
|
|
mpcth_t cth;
|
|
int x;
|
|
int totalSize;
|
|
int count, c;
|
|
int type;
|
|
int oldtype, entrytype;
|
|
|
|
if ( pap == 0 ) {
|
|
printf( "MP Configuration Table Header MISSING!\n" );
|
|
exit( 1 );
|
|
}
|
|
|
|
/* convert physical address to virtual address */
|
|
paddr = pap;
|
|
|
|
/* read in cth structure */
|
|
seekEntry( paddr );
|
|
readEntry( &cth, sizeof( cth ) );
|
|
|
|
printf( "MP Config Table Header:\n\n" );
|
|
|
|
printf( " physical address:\t\t0x%08x\n", pap );
|
|
|
|
printf( " signature:\t\t\t'" );
|
|
pnstr( cth.signature, 4 );
|
|
printf( "'\n" );
|
|
|
|
printf( " base table length:\t\t%d\n", cth.base_table_length );
|
|
|
|
printf( " version:\t\t\t1.%1d\n", cth.spec_rev );
|
|
printf( " checksum:\t\t\t0x%02x\n", cth.checksum );
|
|
|
|
printf( " OEM ID:\t\t\t'" );
|
|
pnstr( cth.oem_id, 8 );
|
|
printf( "'\n" );
|
|
|
|
printf( " Product ID:\t\t\t'" );
|
|
pnstr( cth.product_id, 12 );
|
|
printf( "'\n" );
|
|
|
|
printf( " OEM table pointer:\t\t0x%08x\n", cth.oem_table_pointer );
|
|
printf( " OEM table size:\t\t%d\n", cth.oem_table_size );
|
|
|
|
printf( " entry count:\t\t\t%d\n", cth.entry_count );
|
|
|
|
printf( " local APIC address:\t\t0x%08x\n", cth.apic_address );
|
|
|
|
printf( " extended table length:\t%d\n", cth.extended_table_length );
|
|
printf( " extended table checksum:\t%d\n", cth.extended_table_checksum );
|
|
|
|
totalSize = cth.base_table_length - sizeof( struct MPCTH );
|
|
count = cth.entry_count;
|
|
|
|
puts( SEP_LINE );
|
|
|
|
printf( "MP Config Base Table Entries:\n\n" );
|
|
|
|
/* initialze tables */
|
|
for ( x = 0; x < 16; ++x ) {
|
|
busses[ x ] = apics[ x ] = 0xff;
|
|
}
|
|
|
|
ncpu = 0;
|
|
nbus = 0;
|
|
napic = 0;
|
|
nintr = 0;
|
|
|
|
oldtype = -1;
|
|
for (c = count; c; c--) {
|
|
entrytype = readType();
|
|
if (entrytype != oldtype)
|
|
printf("--\n");
|
|
if (entrytype < oldtype)
|
|
printf("MPTABLE OUT OF ORDER!\n");
|
|
switch (entrytype) {
|
|
case 0:
|
|
if (oldtype != 0)
|
|
printf( "Processors:\tAPIC ID\tVersion\tState"
|
|
"\t\tFamily\tModel\tStep\tFlags\n" );
|
|
oldtype = 0;
|
|
processorEntry();
|
|
break;
|
|
|
|
case 1:
|
|
if (oldtype != 1)
|
|
printf( "Bus:\t\tBus ID\tType\n" );
|
|
oldtype = 1;
|
|
busEntry();
|
|
break;
|
|
|
|
case 2:
|
|
if (oldtype != 2)
|
|
printf( "I/O APICs:\tAPIC ID\tVersion\tState\t\tAddress\n" );
|
|
oldtype = 2;
|
|
ioApicEntry();
|
|
break;
|
|
|
|
case 3:
|
|
if (oldtype != 3)
|
|
printf( "I/O Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#\n" );
|
|
oldtype = 3;
|
|
intEntry();
|
|
break;
|
|
|
|
case 4:
|
|
if (oldtype != 4)
|
|
printf( "Local Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#\n" );
|
|
oldtype = 4;
|
|
intEntry();
|
|
break;
|
|
|
|
default:
|
|
printf("MPTABLE HOSED! record type = %d\n", entrytype);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
|
|
#if defined( EXTENDED_PROCESSING_READY )
|
|
/* process any extended data */
|
|
if ( (totalSize = cth.extended_table_length) ) {
|
|
puts( SEP_LINE );
|
|
|
|
printf( "MP Config Extended Table Entries:\n\n" );
|
|
|
|
while ( totalSize > 0 ) {
|
|
switch ( type = readType() ) {
|
|
case 128:
|
|
sasEntry();
|
|
break;
|
|
case 129:
|
|
bhdEntry();
|
|
break;
|
|
case 130:
|
|
cbasmEntry();
|
|
break;
|
|
default:
|
|
printf( "Extended Table HOSED!\n" );
|
|
exit( 1 );
|
|
}
|
|
|
|
totalSize -= extendedtableEntryTypes[ type-128 ].length;
|
|
}
|
|
}
|
|
#endif /* EXTENDED_PROCESSING_READY */
|
|
|
|
/* process any OEM data */
|
|
if ( cth.oem_table_pointer && (cth.oem_table_size > 0) ) {
|
|
#if defined( OEM_PROCESSING_READY )
|
|
# error your on your own here!
|
|
/* convert OEM table pointer to virtual address */
|
|
poemtp = (u_int32_t)cth.oem_table_pointer;
|
|
|
|
/* read in oem table structure */
|
|
if ( (oemdata = (void*)malloc( cth.oem_table_size )) == NULL )
|
|
err( 1, "oem malloc" );
|
|
|
|
seekEntry( poemtp );
|
|
readEntry( oemdata, cth.oem_table_size );
|
|
|
|
/** process it */
|
|
|
|
free( oemdata );
|
|
#else
|
|
printf( "\nyou need to modify the source to handle OEM data!\n\n" );
|
|
#endif /* OEM_PROCESSING_READY */
|
|
}
|
|
|
|
fflush( stdout );
|
|
|
|
#if defined( RAW_DUMP )
|
|
{
|
|
int ofd;
|
|
u_char dumpbuf[ 4096 ];
|
|
|
|
ofd = open( "/tmp/mpdump", O_CREAT | O_RDWR );
|
|
seekEntry( paddr );
|
|
readEntry( dumpbuf, 1024 );
|
|
write( ofd, dumpbuf, 1024 );
|
|
close( ofd );
|
|
}
|
|
#endif /* RAW_DUMP */
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
static int
|
|
readType( void )
|
|
{
|
|
u_char type;
|
|
|
|
if ( read( pfd, &type, sizeof( u_char ) ) != sizeof( u_char ) )
|
|
err( 1, "type read; pfd: %d", pfd );
|
|
|
|
if ( lseek( pfd, -1, SEEK_CUR ) < 0 )
|
|
err( 1, "type seek" );
|
|
|
|
return (int)type;
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
static void
|
|
seekEntry( u_int32_t addr )
|
|
{
|
|
if ( lseek( pfd, (off_t)addr, SEEK_SET ) < 0 )
|
|
err( 1, "%s seek", _PATH_MEM );
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
static void
|
|
readEntry( void* entry, int size )
|
|
{
|
|
if ( read( pfd, entry, size ) != size )
|
|
err( 1, "readEntry" );
|
|
}
|
|
|
|
|
|
static void
|
|
processorEntry( void )
|
|
{
|
|
ProcEntry entry;
|
|
|
|
/* read it into local memory */
|
|
readEntry( &entry, sizeof( entry ) );
|
|
|
|
/* count it */
|
|
++ncpu;
|
|
|
|
printf( "\t\t%2d", entry.apicID );
|
|
printf( "\t 0x%2x", entry.apicVersion );
|
|
|
|
printf( "\t %s, %s",
|
|
(entry.cpuFlags & PROCENTRY_FLAG_BP) ? "BSP" : "AP",
|
|
(entry.cpuFlags & PROCENTRY_FLAG_EN) ? "usable" : "unusable" );
|
|
|
|
printf( "\t %d\t %d\t %d",
|
|
(entry.cpuSignature >> 8) & 0x0f,
|
|
(entry.cpuSignature >> 4) & 0x0f,
|
|
entry.cpuSignature & 0x0f );
|
|
|
|
printf( "\t 0x%04x\n", entry.featureFlags );
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
static int
|
|
lookupBusType( char* name )
|
|
{
|
|
int x;
|
|
|
|
for ( x = 0; x < MAX_BUSTYPE; ++x )
|
|
if ( strcmp( busTypeTable[ x ].name, name ) == 0 )
|
|
return busTypeTable[ x ].type;
|
|
|
|
return UNKNOWN_BUSTYPE;
|
|
}
|
|
|
|
|
|
static void
|
|
busEntry( void )
|
|
{
|
|
int x;
|
|
char name[ 8 ];
|
|
char c;
|
|
BusEntry entry;
|
|
|
|
/* read it into local memory */
|
|
readEntry( &entry, sizeof( entry ) );
|
|
|
|
/* count it */
|
|
++nbus;
|
|
|
|
printf( "\t\t%2d", entry.busID );
|
|
printf( "\t " ); pnstr( entry.busType, 6 ); printf( "\n" );
|
|
|
|
for ( x = 0; x < 6; ++x ) {
|
|
if ( (c = entry.busType[ x ]) == ' ' )
|
|
break;
|
|
name[ x ] = c;
|
|
}
|
|
name[ x ] = '\0';
|
|
busses[ entry.busID ] = lookupBusType( name );
|
|
}
|
|
|
|
|
|
static void
|
|
ioApicEntry( void )
|
|
{
|
|
IOApicEntry entry;
|
|
|
|
/* read it into local memory */
|
|
readEntry( &entry, sizeof( entry ) );
|
|
|
|
/* count it */
|
|
++napic;
|
|
|
|
printf( "\t\t%2d", entry.apicID );
|
|
printf( "\t 0x%02x", entry.apicVersion );
|
|
printf( "\t %s",
|
|
(entry.apicFlags & IOAPICENTRY_FLAG_EN) ? "usable" : "unusable" );
|
|
printf( "\t\t 0x%x\n", entry.apicAddress );
|
|
|
|
apics[ entry.apicID ] = entry.apicID;
|
|
}
|
|
|
|
|
|
const char* intTypes[] = {
|
|
"INT", "NMI", "SMI", "ExtINT"
|
|
};
|
|
|
|
const char* polarityMode[] = {
|
|
"conforms", "active-hi", "reserved", "active-lo"
|
|
};
|
|
const char* triggerMode[] = {
|
|
"conforms", "edge", "reserved", "level"
|
|
};
|
|
|
|
static void
|
|
intEntry( void )
|
|
{
|
|
IntEntry entry;
|
|
|
|
/* read it into local memory */
|
|
readEntry( &entry, sizeof( entry ) );
|
|
|
|
/* count it */
|
|
if ( (int)entry.type == 3 )
|
|
++nintr;
|
|
|
|
printf( "\t\t%s", intTypes[ (int)entry.intType ] );
|
|
|
|
printf( "\t%9s", polarityMode[ (int)entry.intFlags & 0x03 ] );
|
|
printf( "%12s", triggerMode[ ((int)entry.intFlags >> 2) & 0x03 ] );
|
|
|
|
printf( "\t %5d", (int)entry.srcBusID );
|
|
if ( busses[ (int)entry.srcBusID ] == PCI )
|
|
printf( "\t%2d:%c",
|
|
((int)entry.srcBusIRQ >> 2) & 0x1f,
|
|
((int)entry.srcBusIRQ & 0x03) + 'A' );
|
|
else
|
|
printf( "\t %3d", (int)entry.srcBusIRQ );
|
|
printf( "\t %6d", (int)entry.dstApicID );
|
|
printf( "\t %3d\n", (int)entry.dstApicINT );
|
|
}
|
|
|
|
|
|
static void
|
|
sasEntry( void )
|
|
{
|
|
SasEntry entry;
|
|
|
|
/* read it into local memory */
|
|
readEntry( &entry, sizeof( entry ) );
|
|
|
|
printf( "--\n%s\n", extendedtableEntryTypes[entry.type - 128].name );
|
|
printf( " bus ID: %d", entry.busID );
|
|
printf( " address type: " );
|
|
switch ( entry.addressType ) {
|
|
case 0:
|
|
printf( "I/O address\n" );
|
|
break;
|
|
case 1:
|
|
printf( "memory address\n" );
|
|
break;
|
|
case 2:
|
|
printf( "prefetch address\n" );
|
|
break;
|
|
default:
|
|
printf( "UNKNOWN type\n" );
|
|
break;
|
|
}
|
|
|
|
printf( " address base: 0x%llx\n", (long long)entry.addressBase );
|
|
printf( " address range: 0x%llx\n", (long long)entry.addressLength );
|
|
}
|
|
|
|
|
|
static void
|
|
bhdEntry( void )
|
|
{
|
|
BhdEntry entry;
|
|
|
|
/* read it into local memory */
|
|
readEntry( &entry, sizeof( entry ) );
|
|
|
|
printf( "--\n%s\n", extendedtableEntryTypes[entry.type - 128].name );
|
|
printf( " bus ID: %d", entry.busID );
|
|
printf( " bus info: 0x%02x", entry.busInfo );
|
|
printf( " parent bus ID: %d\n", entry.busParent );
|
|
}
|
|
|
|
|
|
static void
|
|
cbasmEntry( void )
|
|
{
|
|
CbasmEntry entry;
|
|
|
|
/* read it into local memory */
|
|
readEntry( &entry, sizeof( entry ) );
|
|
|
|
printf( "--\n%s\n", extendedtableEntryTypes[entry.type - 128].name );
|
|
printf( " bus ID: %d", entry.busID );
|
|
printf( " address modifier: %s\n", (entry.addressMod & 0x01) ?
|
|
"subtract" : "add" );
|
|
printf( " predefined range: 0x%08x\n", entry.predefinedRange );
|
|
}
|
|
|
|
|
|
/*
|
|
* do a dmesg output
|
|
*/
|
|
static void
|
|
doDmesg( void )
|
|
{
|
|
puts( SEP_LINE );
|
|
|
|
printf( "dmesg output:\n\n" );
|
|
fflush( stdout );
|
|
system( "dmesg" );
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
static void
|
|
pnstr( char* s, int c )
|
|
{
|
|
char string[ MAXPNSTR + 1 ];
|
|
|
|
if ( c > MAXPNSTR )
|
|
c = MAXPNSTR;
|
|
strncpy( string, s, c );
|
|
string[ c ] = '\0';
|
|
printf( "%s", string );
|
|
}
|