From a4d9955380f4f3e907c612f0dc644ff293aa4c6e Mon Sep 17 00:00:00 2001 From: fsmp Date: Tue, 29 Apr 1997 03:06:35 +0000 Subject: add a userland program for SMP support mptable examines and displays the MP table of an SMP motherboard. --- usr.sbin/mptable/mptable.c | 1160 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1160 insertions(+) create mode 100644 usr.sbin/mptable/mptable.c (limited to 'usr.sbin/mptable/mptable.c') diff --git a/usr.sbin/mptable/mptable.c b/usr.sbin/mptable/mptable.c new file mode 100644 index 0000000..e41f50c --- /dev/null +++ b/usr.sbin/mptable/mptable.c @@ -0,0 +1,1160 @@ +/* + * 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. + * + * $Id: mptable.c,v 1.2 1997/04/22 20:34:14 fsmp Exp fsmp $ + */ + +/* + * mptable.c + */ + +#define VMAJOR 2 +#define VMINOR 0 +#define VDELTA 8 + +/* + * 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 +#include +#include +#include + +#include + + +#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, "---" } +}; + +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 ]; + void* 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 ]; + void* oem_table_pointer; + u_short oem_table_size; + u_short entry_count; + void* 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_long cpuSignature; + u_long featureFlags; + u_long reserved1; + u_long 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; + void* 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; +} 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( vm_offset_t* paddr, int* where ); + +static void MPConfigDefault( int featureByte ); + +static int MPFloatingPointer( vm_offset_t paddr, int where, mpfps_t* mpfps ); +static void MPConfigTableHeader( void* pap ); + +static int readType( void ); +static void seekEntry( vm_offset_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 doOptionList( 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, "\nusage: mptable [-help][-dmesg][-verbose]\n" ); + fprintf( stderr, "where:\n" ); + fprintf( stderr, " '-dmesg' includes a dmesg dump\n" ); + fprintf( stderr, " '-grope' looks in areas it shouldn't NEED to\n" ); + fprintf( stderr, " '-help' prints this message and exits\n" ); + fprintf( stderr, " '-verbose' prints extra info\n" ); + exit( 0 ); +} + +/* + * + */ +int +main( int argc, char *argv[] ) +{ + vm_offset_t paddr; + int where; + mpfps_t mpfps; + int defaultConfig; + + extern char* optarg; + extern int optind, optreset; + int ch; + + /* announce ourselves */ + puts( SEP_LINE2 ); + + printf( "MPTable, version %d.%d.%d\n", VMAJOR, VMINOR, VDELTA ); + + while ((ch = getopt(argc, argv, "d:g:h:v:")) != EOF) { + 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, "rop") == 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( "/dev/mem", O_RDONLY )) < 0 ) { + perror( "mem open" ); + exit( 1 ); + } + + /* 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 ); + + /* build "options" entries for the kernel config file */ + doOptionList(); + + /* 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( vm_offset_t* paddr, int* where ) +{ + /* + * c rewrite of apic_probe() by Jack F. Vogel + */ + + int x; + u_short segment; + vm_offset_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( (vm_offset_t)EBDA_POINTER ); + readEntry( &segment, 2 ); + if ( segment ) { /* search EBDA */ + target = (vm_offset_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 / 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( (vm_offset_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 / 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 / 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 / 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 / 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 / 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 / sizeof( unsigned int ); NEXT(x) ) { + if ( buffer[ x ] == MP_SIG ) { + *where = 7; + *paddr = (x * sizeof( unsigned int )) + GROPE_AREA2; + return; + } + } + } + + *where = 0; + *paddr = (vm_offset_t)0; +} + + +/* + * + */ +static int +MPFloatingPointer( vm_offset_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", where ); + 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" ); + } + + /* 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( void* pap ) +{ + vm_offset_t paddr; + mpcth_t cth; + int x, y; + int totalSize, t; + int count, c; + int type; + vm_offset_t poemtp; + void* oemdata; + + if ( pap == 0 ) { + printf( "MP Configuration Table Header MISSING!\n" ); + exit( 1 ); + } + + /* convert physical address to virtual address */ + paddr = (vm_offset_t)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; + + /* process all the CPUs */ + printf( "--\nProcessors:\tAPIC ID\tVersion\tState" + "\t\tFamily\tModel\tStep\tFlags\n" ); + for ( t = totalSize, c = count; c; c-- ) { + if ( readType() == 0 ) + processorEntry(); + totalSize -= basetableEntryTypes[ 0 ].length; + } + + /* process all the busses */ + printf( "--\nBus:\t\tBus ID\tType\n" ); + for ( t = totalSize, c = count; c; c-- ) { + if ( readType() == 1 ) + busEntry(); + totalSize -= basetableEntryTypes[ 1 ].length; + } + + /* process all the apics */ + printf( "--\nI/O APICs:\tAPIC ID\tVersion\tState\t\tAddress\n" ); + for ( t = totalSize, c = count; c; c-- ) { + if ( readType() == 2 ) + ioApicEntry(); + totalSize -= basetableEntryTypes[ 2 ].length; + } + + /* process all the I/O Ints */ + printf( "--\nI/O Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tINT#\n" ); + for ( t = totalSize, c = count; c; c-- ) { + if ( readType() == 3 ) + intEntry(); + totalSize -= basetableEntryTypes[ 3 ].length; + } + + /* process all the Local Ints */ + printf( "--\nLocal Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tINT#\n" ); + for ( t = totalSize, c = count; c; c-- ) { + if ( readType() == 4 ) + intEntry(); + totalSize -= basetableEntryTypes[ 4 ].length; + } + + +#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 = (vm_offset_t)cth.oem_table_pointer; + + /* read in oem table structure */ + if ( (oemdata = (void*)malloc( cth.oem_table_size )) == NULL ) { + perror( "oem malloc" ); + exit( 1 ); + } + + 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 ) ) { + perror( "type read" ); + fprintf( stderr, "\npfd: %d", pfd ); + fflush( stderr ); + exit( 1 ); + } + + if ( lseek( pfd, -1, SEEK_CUR ) < 0 ) { + perror( "type seek" ); + exit( 1 ); + } + + return (int)type; +} + + +/* + * + */ +static void +seekEntry( vm_offset_t addr ) +{ + if ( lseek( pfd, (off_t)addr, SEEK_SET ) < 0 ) { + perror( "/dev/mem seek" ); + exit( 1 ); + } +} + + +/* + * + */ +static void +readEntry( void* entry, int size ) +{ + if ( read( pfd, entry, size ) != size ) { + perror( "readEntry" ); + exit( 1 ); + } +} + + +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; +} + + +char* intTypes[] = { + "INT", "NMI", "SMI", "ExtINT" +}; + +char* polarityMode[] = { + "conforms", "active-hi", "reserved", "active-lo" +}; +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 ].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%qx\n", entry.addressBase ); + printf( " address range: 0x%qx\n", entry.addressLength ); +} + + +static void +bhdEntry( void ) +{ + BhdEntry entry; + + /* read it into local memory */ + readEntry( &entry, sizeof( entry ) ); + + printf( "--\n%s\n", extendedtableEntryTypes[ entry.type ].name ); + printf( " bus ID: %d", entry.busID ); + printf( " bus info: 0x%02x", entry.busInfo ); + printf( " parent bus ID: %d", entry.busParent ); +} + + +static void +cbasmEntry( void ) +{ + CbasmEntry entry; + + /* read it into local memory */ + readEntry( &entry, sizeof( entry ) ); + + printf( "--\n%s\n", extendedtableEntryTypes[ entry.type ].name ); + printf( " bus ID: %d", entry.busID ); + printf( " address modifier: %s\n", (entry.addressMod & 0x01) ? + "subtract" : "add" ); + printf( " predefined range: 0x%08x", entry.predefinedRange ); +} + + +/* + * do a dmesg output + */ +static void +doDmesg( void ) +{ + puts( SEP_LINE ); + + printf( "dmesg output:\n\n" ); + fflush( stdout ); + system( "dmesg" ); +} + + +/* + * build "options" entries for the kernel config file + */ +static void +doOptionList( void ) +{ + puts( SEP_LINE ); + + printf( "# SMP kernel config file options:\n\n" ); + printf( "\n# Required:\n" ); + printf( "options SMP\t\t\t# Symmetric MultiProcessor Kernel\n" ); + + printf( "\n# Recommended:\n" ); + printf( "options APIC_IO\t\t\t# Symmetric (APIC) I/O\n" ); + + printf( "\n# Optional (built-in defaults will work in most cases):\n" ); + printf( "options NCPU=%d\t\t\t# number of CPUs\n", ncpu ); + printf( "options NBUS=%d\t\t\t# number of busses\n", nbus ); + printf( "options NAPIC=%d\t\t\t# number of IO APICs\n", napic ); + printf( "options NINTR=%d\t\t# number of INTs\n", 24 /**nintr*/ ); + + printf( "\n# Currently broken:\n" ); + printf( "#options SMP_PRIVPAGES\t\t# BROKEN, DO NOT use!\n" ); + printf( "#options SMP_AUTOSTART\t\t# BROKEN, DO NOT use!\n" ); + + printf( "\n# Rogue hardware:\n" ); + printf( "#\n# Tyan Tomcat II:\n" ); + printf( "#options SMP_TIMER_NC\t\t# \n" ); + printf( "#\n# SuperMicro P6DNE:\n" ); + printf( "#options SMP_TIMER_NC\t\t# \n" ); +} + + +/* + * + */ +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 ); +} -- cgit v1.1