/* * 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. * * $FreeBSD: src/usr.sbin/mptable/mptable.c,v 1.12.2.3 2000/12/11 01:03:34 obrien Exp $ * $DragonFly: src/usr.sbin/mptable/mptable.c,v 1.4 2008/04/20 13:44:26 swildner Exp $ */ /* * mptable.c */ #define VMAJOR 2 #define VMINOR 0 #define VDELTA 15 #define MP_SIG 0x5f504d5f /* _MP_ */ #define EXTENDED_PROCESSING_READY #define OEM_PROCESSING_READY_NOT #include #include #include #include #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, "---" } }; 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 Hierarchy" }, { 130, 8, "Compatibility Bus Address" } }; /* MP Floating Pointer Structure */ typedef struct MPFPS { char signature[ 4 ]; uint32_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 ]; uint16_t base_table_length; u_char spec_rev; u_char checksum; u_char oem_id[ 8 ]; u_char product_id[ 12 ]; uint32_t oem_table_pointer; uint16_t oem_table_size; uint16_t entry_count; uint32_t apic_address; uint16_t 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; uint32_t cpuSignature; uint32_t featureFlags; uint32_t reserved1; uint32_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; uint32_t apicAddress; } IOApicEntry; typedef struct INTENTRY { u_char type; u_char intType; uint16_t 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; uint32_t predefinedRange; } CbasmEntry; static void apic_probe( vm_offset_t* paddr, int* where ); static void MPConfigDefault( int featureByte ); static void MPFloatingPointer( vm_offset_t paddr, int where, mpfps_t* mpfps ); static void MPConfigTableHeader( uint32_t 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 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 raw; int verbose; static void usage( void ) { fprintf( stderr, "usage: mptable [-dmesg] [-verbose] [-grope] [-raw] [-help]\n" ); exit( 0 ); } /* * */ int main( int argc, char *argv[] ) { vm_offset_t paddr; int where; mpfps_t mpfps; int defaultConfig; 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:r: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 'r': if ( strcmp (optarg, "aw") == 0 ) raw = 1; break; case 'v': if ( strcmp( optarg, "erbose") == 0 ) verbose = 1; break; default: usage(); } } argc -= optind; argv += optind; /* 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%s\n\n", grope ? "" : ",\n suggest trying -grope option!!!" ); return 1; } if ( verbose ) printf( "\n MP FPS found in %s @ physical addr: 0x%08lx\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; } static int findMpSig(uint32_t target, size_t bufsize) { uint32_t buffer[BIOS_SIZE / sizeof(uint32_t)]; uint32_t *x; seekEntry(target); readEntry(buffer, (bufsize + sizeof(*x) - 1) & ~sizeof(*x)); for (x = buffer; x < buffer + bufsize / sizeof(*x); ++x) { if (*x == MP_SIG) return (x - buffer) * sizeof(*x) + target; } return -1; } /* * set PHYSICAL address of MP floating pointer structure */ static void apic_probe( vm_offset_t* paddr, int* where ) { /* * c rewrite of apic_probe() by Jack F. Vogel */ int x; uint16_t segment; vm_offset_t target; 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, sizeof(segment) ); if ( segment ) { /* search EBDA */ target = (vm_offset_t)segment << 4; if ( verbose ) printf( "found, searching EBDA @ 0x%08lx\n", target ); if ((x = findMpSig(target, ONE_KBYTE)) != -1) { *where = 1; *paddr = x; return; } } else { if ( verbose ) printf( "NOT found\n" ); } /* read CMOS for real top of mem */ seekEntry( (vm_offset_t)TOPOFMEM_POINTER ); readEntry( &segment, sizeof(segment) ); --segment; /* less ONE_KBYTE */ target = segment * 1024; if ( verbose ) printf( " searching CMOS 'top of mem' @ 0x%08lx (%dK)\n", target, segment ); if ((x = findMpSig(target, ONE_KBYTE)) != -1) { *where = 2; *paddr = x; 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%08lx (%ldK)\n", target, (target / 1024) ); if ((x = findMpSig(target, ONE_KBYTE)) != -1) { *where = 3; *paddr = x; return; } } /* search the BIOS */ if ( verbose ) printf( " searching BIOS @ 0x%08x\n", BIOS_BASE ); if ((x = findMpSig(BIOS_BASE, BIOS_SIZE)) != -1) { *where = 4; *paddr = x; return; } /* search the extended BIOS */ if ( verbose ) printf( " searching extended BIOS @ 0x%08x\n", BIOS_BASE2 ); if ((x = findMpSig(BIOS_BASE2, BIOS_SIZE)) != -1) { *where = 5; *paddr = x; return; } if ( grope ) { /* search additional memory */ target = GROPE_AREA1; if ( verbose ) printf( " groping memory @ 0x%08lx\n", target ); if ((x = findMpSig(target, GROPE_SIZE)) != -1) { *where = 6; *paddr = x; return; } target = GROPE_AREA2; if ( verbose ) printf( " groping memory @ 0x%08lx\n", target ); if ((x = findMpSig(target, GROPE_SIZE)) != -1) { *where = 7; *paddr = x; return; } } *where = 0; *paddr = (vm_offset_t)0; } /* * */ static void 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" ); 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%08lx\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( uint32_t pap ) { vm_offset_t paddr; mpcth_t cth; int x; int totalSize, t; int count, c; int type; 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\tPIN#\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\tPIN#\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 ) 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 ( raw ) { 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 ); } } /* * */ 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( vm_offset_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%" PRIx64 "\n", entry.addressBase ); printf( " address range: 0x%" PRIx64 "\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 - 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 ); }