2 * Copyright (c) 1996, by Steve Passe
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
35 * this will cause the raw mp table to be dumped to /tmp/mpdump
40 #define MP_SIG 0x5f504d5f /* _MP_ */
41 #define EXTENDED_PROCESSING_READY
42 #define OEM_PROCESSING_READY_NOT
44 #include <sys/types.h>
54 "\n-------------------------------------------------------------------------------\n"
57 "\n===============================================================================\n"
59 /* EBDA is @ 40:0e in real-mode terms */
60 #define EBDA_POINTER 0x040e /* location of EBDA pointer */
62 /* CMOS 'top of mem' is @ 40:13 in real-mode terms */
63 #define TOPOFMEM_POINTER 0x0413 /* BIOS: base memory size */
65 #define DEFAULT_TOPOFMEM 0xa0000
67 #define BIOS_BASE 0xf0000
68 #define BIOS_BASE2 0xe0000
69 #define BIOS_SIZE 0x10000
70 #define ONE_KBYTE 1024
72 #define GROPE_AREA1 0x80000
73 #define GROPE_AREA2 0x90000
74 #define GROPE_SIZE 0x10000
76 #define PROCENTRY_FLAG_EN 0x01
77 #define PROCENTRY_FLAG_BP 0x02
78 #define IOAPICENTRY_FLAG_EN 0x01
82 #define COREBOOT_MP_TABLE 0
92 UNKNOWN_BUSTYPE = 0xff
95 typedef struct BUSTYPENAME {
100 static busTypeName busTypeTable[] =
103 { CBUSII, "CBUSII" },
105 { UNKNOWN_BUSTYPE, "---" },
106 { UNKNOWN_BUSTYPE, "---" },
108 { UNKNOWN_BUSTYPE, "---" },
109 { UNKNOWN_BUSTYPE, "---" },
110 { UNKNOWN_BUSTYPE, "---" },
111 { UNKNOWN_BUSTYPE, "---" },
112 { UNKNOWN_BUSTYPE, "---" },
113 { UNKNOWN_BUSTYPE, "---" },
115 { UNKNOWN_BUSTYPE, "---" },
116 { UNKNOWN_BUSTYPE, "---" },
117 { UNKNOWN_BUSTYPE, "---" },
118 { UNKNOWN_BUSTYPE, "---" },
119 { UNKNOWN_BUSTYPE, "---" },
120 { UNKNOWN_BUSTYPE, "---" }
123 char* whereStrings[] = {
124 "Extended BIOS Data Area",
125 "BIOS top of memory",
126 "Default top of memory",
133 typedef struct TABLE_ENTRY {
139 tableEntry basetableEntryTypes[] =
141 { 0, 20, "Processor" },
143 { 2, 8, "I/O APIC" },
145 { 4, 8, "Local INT" }
148 tableEntry extendedtableEntryTypes[] =
150 { 128, 20, "System Address Space" },
151 { 129, 8, "Bus Heirarchy" },
152 { 130, 8, "Compatibility Bus Address" }
155 /* MP Floating Pointer Structure */
156 typedef struct MPFPS {
157 uint8_t signature[ 4 ];
169 /* MP Configuration Table Header */
170 typedef struct MPCTH {
171 uint8_t signature[ 4 ];
172 uint16_t base_table_length;
176 uint8_t product_id[ 12 ];
177 uint32_t oem_table_pointer;
178 uint16_t oem_table_size;
179 uint16_t entry_count;
180 uint32_t apic_address;
181 uint16_t extended_table_length;
182 uint8_t extended_table_checksum;
187 typedef struct PROCENTRY {
192 uint32_t cpuSignature;
193 uint32_t featureFlags;
198 typedef struct BUSENTRY {
201 uint8_t busType[ 6 ];
204 typedef struct IOAPICENTRY {
209 uint32_t apicAddress;
212 typedef struct INTENTRY {
224 * extended entry type structures
227 typedef struct SASENTRY {
232 uint64_t addressBase;
233 uint64_t addressLength;
237 typedef struct BHDENTRY {
243 uint8_t reserved[ 3 ];
247 typedef struct CBASMENTRY {
252 uint32_t predefinedRange;
256 typedef uint32_t vm_offset_t;
258 static void apic_probe( vm_offset_t* paddr, int* where );
260 static void MPConfigDefault( int featureByte );
262 static void MPFloatingPointer( vm_offset_t paddr, int where, mpfps_t* mpfps );
263 static void MPConfigTableHeader( uint32_t pap );
265 static int readType( void );
266 static void seekEntry( vm_offset_t addr );
267 static void readEntry( void* entry, int size );
269 static void processorEntry( void );
270 static void busEntry( void );
271 static void ioApicEntry( void );
272 static void intEntry( void );
273 static void lintEntry( void );
275 static void sasEntry( void );
276 static void bhdEntry( void );
277 static void cbasmEntry( void );
279 static void doOptionList( void );
280 static void doDmesg( void );
281 static void pnstr( uint8_t* s, int c );
284 int pfd; /* physical /dev/mem fd */
298 /* preamble to the mptable. This is fixed for all coreboots */
301 "#include <console/console.h>",
302 "#include <arch/smp/mpspec.h>",
303 "#include <device/pci.h>",
304 "#include <string.h>",
305 "#include <stdint.h>",
307 "static void *smp_write_config_table(void *v)",
309 " static const char sig[4] = \"PCMP\";",
310 " static const char oem[8] = \"LNXI \";",
311 " static const char productid[12] = \"P4DPE \";",
312 " struct mp_config_table *mc;",
314 " mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);",
315 " memset(mc, 0, sizeof(*mc));",
317 " memcpy(mc->mpc_signature, sig, sizeof(sig));",
318 " mc->mpc_length = sizeof(*mc); /* initially just the header */",
319 " mc->mpc_spec = 0x04;",
320 " mc->mpc_checksum = 0; /* not yet computed */",
321 " memcpy(mc->mpc_oem, oem, sizeof(oem));",
322 " memcpy(mc->mpc_productid, productid, sizeof(productid));",
323 " mc->mpc_oemptr = 0;",
324 " mc->mpc_oemsize = 0;",
325 " mc->mpc_entry_count = 0; /* No entries yet... */",
326 " mc->mpc_lapic = LAPIC_ADDR;",
327 " mc->mpe_length = 0;",
328 " mc->mpe_checksum = 0;",
329 " mc->reserved = 0;",
331 " smp_write_processors(mc);",
337 char *postamble[] = {
338 " /* There is no extension information... */",
340 " /* Compute the checksums */",
341 " mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length);",
342 " mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length);",
343 " printk(BIOS_DEBUG, \"Wrote the mp table end at: %p - %p\\n\",",
344 " mc, smp_next_mpe_entry(mc));",
345 " return smp_next_mpe_entry(mc);",
348 "unsigned long write_smp_table(unsigned long addr)",
351 " v = smp_write_floating_table(addr);",
352 " return (unsigned long)smp_write_config_table(v);",
357 char *ioapic_code[] = {
358 " smp_write_ioapic(mc, 2, 0x20, 0xfec00000);",
361 " struct resource *res;",
362 " dev = dev_find_slot(1, PCI_DEVFN(0x1e,0));",
364 " res = find_resource(dev, PCI_BASE_ADDRESS_0);",
366 " smp_write_ioapic(mc, 3, 0x20, res->base);",
369 " dev = dev_find_slot(1, PCI_DEVFN(0x1c,0));",
371 " res = find_resource(dev, PCI_BASE_ADDRESS_0);",
373 " smp_write_ioapic(mc, 4, 0x20, res->base);",
376 " dev = dev_find_slot(4, PCI_DEVFN(0x1e,0));",
378 " res = find_resource(dev, PCI_BASE_ADDRESS_0);",
380 " smp_write_ioapic(mc, 5, 0x20, res->base);",
383 " dev = dev_find_slot(4, PCI_DEVFN(0x1c,0));",
385 " res = find_resource(dev, PCI_BASE_ADDRESS_0);",
387 " smp_write_ioapic(mc, 8, 0x20, res->base);",
396 fprintf( stderr, "usage: mptable [-dmesg] [-verbose] [-grope] [-help]\n" );
401 write_code(char **code)
404 printf("%s\n", *code++);
410 main( int argc, char *argv[] )
417 /* announce ourselves */
419 if (verbose) puts( SEP_LINE2 );
421 printf( "/* generated by MPTable, version %d.%d.%d*/\n", VMAJOR, VMINOR, VDELTA );
422 printf("/* as modified by RGM for coreboot */\n");
423 write_code(preamble);
425 /* Ron hates getopt() */
427 for(argc--, argv++; argc; argc--, argv++){
428 if ( strcmp( argv[0], "-dmesg") == 0 ) {
431 if ( strcmp( argv[0], "-help") == 0 )
435 if ( strcmp( argv[0], "-grope") == 0 ){
437 } else if ( strcmp( argv[0], "-verbose") == 0 )
439 else if ( strcmp( argv[0], "-noisy") == 0 )
444 /* open physical memory for access to MP structures */
445 if ( (pfd = open( "/dev/mem", O_RDONLY )) < 0 )
446 err( 1, "mem open" );
448 /* probe for MP structures */
449 apic_probe( &paddr, &where );
451 fprintf( stderr, "\n MP FPS NOT found,\n" );
452 fprintf( stderr, " suggest trying -grope option!!!\n\n" );
457 printf( "\n MP FPS found in %s @ physical addr: 0x%08x\n",
458 whereStrings[ where - 1 ], paddr );
460 if (verbose) puts( SEP_LINE );
462 /* analyze the MP Floating Pointer Structure */
463 MPFloatingPointer( paddr, where, &mpfps );
465 if (verbose) puts( SEP_LINE );
467 /* check whether an MP config table exists */
468 if ( (defaultConfig = mpfps.mpfb1) )
469 MPConfigDefault( defaultConfig );
471 MPConfigTableHeader( mpfps.pap );
473 /* build "options" entries for the kernel config file */
477 write_code(postamble);
478 /* do a dmesg output */
482 if (verbose) puts( SEP_LINE2 );
489 * set PHYSICAL address of MP floating pointer structure
491 #define NEXT(X) ((X) += 4)
493 apic_probe( vm_offset_t* paddr, int* where )
496 * c rewrite of apic_probe() by Jack F. Vogel
502 u_int buffer[ BIOS_SIZE / sizeof( int ) ];
507 /* search Extended Bios Data Area, if present */
509 printf( " looking for EBDA pointer @ 0x%04x, ", EBDA_POINTER );
510 seekEntry( (vm_offset_t)EBDA_POINTER );
511 readEntry( &segment, 2 );
512 if ( segment ) { /* search EBDA */
513 target = (vm_offset_t)segment << 4;
515 printf( "found, searching EBDA @ 0x%08x\n", target );
517 readEntry( buffer, ONE_KBYTE );
519 for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) {
520 if ( buffer[ x ] == MP_SIG ) {
522 *paddr = (x * sizeof( unsigned int )) + target;
529 printf( "NOT found\n" );
535 printf( " searching for coreboot MP table @ 0x%08x (%dK)\n",
538 readEntry( buffer, ONE_KBYTE );
540 for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) {
541 if ( buffer[ x ] == MP_SIG ) {
543 *paddr = (x * sizeof( unsigned int )) + target;
549 /* read CMOS for real top of mem */
550 seekEntry( (vm_offset_t)TOPOFMEM_POINTER );
551 readEntry( &segment, 2 );
552 --segment; /* less ONE_KBYTE */
553 target = segment * 1024;
555 printf( " searching CMOS 'top of mem' @ 0x%08x (%dK)\n",
558 readEntry( buffer, ONE_KBYTE );
560 for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) {
561 if ( buffer[ x ] == MP_SIG ) {
563 *paddr = (x * sizeof( unsigned int )) + target;
568 /* we don't necessarily believe CMOS, check base of the last 1K of 640K */
569 if ( target != (DEFAULT_TOPOFMEM - 1024)) {
570 target = (DEFAULT_TOPOFMEM - 1024);
572 printf( " searching default 'top of mem' @ 0x%08x (%dK)\n",
573 target, (target / 1024) );
575 readEntry( buffer, ONE_KBYTE );
577 for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) {
578 if ( buffer[ x ] == MP_SIG ) {
580 *paddr = (x * sizeof( unsigned int )) + target;
586 /* search the BIOS */
588 printf( " searching BIOS @ 0x%08x\n", BIOS_BASE );
589 seekEntry( BIOS_BASE );
590 readEntry( buffer, BIOS_SIZE );
592 for ( x = 0; x < BIOS_SIZE / sizeof( unsigned int ); NEXT(x) ) {
593 if ( buffer[ x ] == MP_SIG ) {
595 *paddr = (x * sizeof( unsigned int )) + BIOS_BASE;
600 /* search the extended BIOS */
602 printf( " searching extended BIOS @ 0x%08x\n", BIOS_BASE2 );
603 seekEntry( BIOS_BASE2 );
604 readEntry( buffer, BIOS_SIZE );
606 for ( x = 0; x < BIOS_SIZE / sizeof( unsigned int ); NEXT(x) ) {
607 if ( buffer[ x ] == MP_SIG ) {
609 *paddr = (x * sizeof( unsigned int )) + BIOS_BASE2;
615 /* search additional memory */
616 target = GROPE_AREA1;
618 printf( " groping memory @ 0x%08x\n", target );
620 readEntry( buffer, GROPE_SIZE );
622 for ( x = 0; x < GROPE_SIZE / sizeof( unsigned int ); NEXT(x) ) {
623 if ( buffer[ x ] == MP_SIG ) {
625 *paddr = (x * sizeof( unsigned int )) + GROPE_AREA1;
630 target = GROPE_AREA2;
632 printf( " groping memory @ 0x%08x\n", target );
634 readEntry( buffer, GROPE_SIZE );
636 for ( x = 0; x < GROPE_SIZE / sizeof( unsigned int ); NEXT(x) ) {
637 if ( buffer[ x ] == MP_SIG ) {
639 *paddr = (x * sizeof( unsigned int )) + GROPE_AREA2;
646 *paddr = (vm_offset_t)0;
654 MPFloatingPointer( vm_offset_t paddr, int where, mpfps_t* mpfps )
657 /* read in mpfps structure*/
659 readEntry( mpfps, sizeof( mpfps_t ) );
661 /* show its contents */
663 printf( "MP Floating Pointer Structure:\n\n" );
665 printf( " location:\t\t\t" );
672 printf( "BIOS base memory\n" );
675 printf( "DEFAULT base memory (639K)\n" );
681 printf( "Extended BIOS\n" );
685 printf( "NOT found!\n" );
688 printf( "BOGUS!\n" );
691 printf( " physical address:\t\t0x%08x\n", paddr );
693 printf( " signature:\t\t\t'" );
694 pnstr( mpfps->signature, 4 );
697 printf( " length:\t\t\t%d bytes\n", mpfps->length * 16 );
698 printf( " version:\t\t\t1.%1d\n", mpfps->spec_rev );
699 printf( " checksum:\t\t\t0x%02x\n", mpfps->checksum );
701 /* bits 0:6 are RESERVED */
702 if ( mpfps->mpfb2 & 0x7f ) {
703 printf( " warning, MP feature byte 2: 0x%02x\n", mpfps->mpfb2 );
707 printf( " mode:\t\t\t\t%s\n", (mpfps->mpfb2 & 0x80) ?
708 "PIC" : "Virtual Wire" );
710 /* MP feature bytes 3-5 are expected to be ZERO */
712 printf( " warning, MP feature byte 3 NONZERO!\n" );
714 printf( " warning, MP feature byte 4 NONZERO!\n" );
716 printf( " warning, MP feature byte 5 NONZERO!\n" );
725 MPConfigDefault( int featureByte )
727 printf( " MP default config type: %d\n\n", featureByte );
728 switch ( featureByte ) {
730 printf( " bus: ISA, APIC: 82489DX\n" );
733 printf( " bus: EISA, APIC: 82489DX\n" );
736 printf( " bus: EISA, APIC: 82489DX\n" );
739 printf( " bus: MCA, APIC: 82489DX\n" );
742 printf( " bus: ISA+PCI, APIC: Integrated\n" );
745 printf( " bus: EISA+PCI, APIC: Integrated\n" );
748 printf( " bus: MCA+PCI, APIC: Integrated\n" );
751 printf( " future type\n" );
755 switch ( featureByte ) {
768 printf( " future type\n" );
782 MPConfigTableHeader( uint32_t pap )
792 printf( "MP Configuration Table Header MISSING!\n" );
796 /* convert physical address to virtual address */
797 paddr = (vm_offset_t)pap;
799 /* read in cth structure */
801 readEntry( &cth, sizeof( cth ) );
804 printf( "MP Config Table Header:\n\n" );
806 printf( " physical address:\t\t0x%08x\n", pap );
808 printf( " signature:\t\t\t'" );
809 pnstr( cth.signature, 4 );
812 printf( " base table length:\t\t%d\n", cth.base_table_length );
814 printf( " version:\t\t\t1.%1d\n", cth.spec_rev );
815 printf( " checksum:\t\t\t0x%02x\n", cth.checksum );
817 printf( " OEM ID:\t\t\t'" );
818 pnstr( cth.oem_id, 8 );
821 printf( " Product ID:\t\t\t'" );
822 pnstr( cth.product_id, 12 );
825 printf( " OEM table pointer:\t\t0x%08x\n", cth.oem_table_pointer );
826 printf( " OEM table size:\t\t%d\n", cth.oem_table_size );
828 printf( " entry count:\t\t\t%d\n", cth.entry_count );
830 printf( " local APIC address:\t\t0x%08x\n", cth.apic_address );
832 printf( " extended table length:\t%d\n", cth.extended_table_length );
833 printf( " extended table checksum:\t%d\n", cth.extended_table_checksum );
836 totalSize = cth.base_table_length - sizeof( struct MPCTH );
837 count = cth.entry_count;
840 if (verbose) puts( SEP_LINE );
842 printf( "MP Config Base Table Entries:\n\n" );
845 /* initialze tables */
846 for ( x = 0; x < 16; ++x ) {
847 busses[ x ] = apics[ x ] = 0xff;
855 /* process all the CPUs */
857 printf( "--\nProcessors:\tAPIC ID\tVersion\tState"
858 "\t\tFamily\tModel\tStep\tFlags\n" );
860 for ( t = totalSize, c = count; c; c-- ) {
861 if ( readType() == 0 )
863 totalSize -= basetableEntryTypes[ 0 ].length;
866 /* process all the busses */
867 printf( "/*Bus:\t\tBus ID\tType*/\n" );
868 for ( t = totalSize, c = count; c; c-- ) {
869 if ( readType() == 1 )
871 totalSize -= basetableEntryTypes[ 1 ].length;
874 /* process all the apics */
875 printf( "/*I/O APICs:\tAPIC ID\tVersion\tState\t\tAddress*/\n" );
876 for ( t = totalSize, c = count; c; c-- ) {
877 if ( readType() == 2 )
879 totalSize -= basetableEntryTypes[ 2 ].length;
882 write_code(ioapic_code);
884 /* process all the I/O Ints */
885 printf( "/*I/O Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#\n*/" );
886 for ( t = totalSize, c = count; c; c-- ) {
887 if ( readType() == 3 )
889 totalSize -= basetableEntryTypes[ 3 ].length;
892 /* process all the Local Ints */
893 printf( "/*Local Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#*/\n" );
894 for ( t = totalSize, c = count; c; c-- ) {
895 if ( readType() == 4 )
897 totalSize -= basetableEntryTypes[ 4 ].length;
901 #if defined( EXTENDED_PROCESSING_READY )
902 /* process any extended data */
903 if ( (totalSize = cth.extended_table_length) ) {
904 if (verbose) puts( SEP_LINE );
906 printf( "MP Config Extended Table Entries:\n\n" );
908 while ( totalSize > 0 ) {
909 switch ( type = readType() ) {
920 printf( "Extended Table HOSED!\n" );
924 totalSize -= extendedtableEntryTypes[ type-128 ].length;
927 #endif /* EXTENDED_PROCESSING_READY */
929 /* process any OEM data */
930 if ( cth.oem_table_pointer && (cth.oem_table_size > 0) ) {
931 #if defined( OEM_PROCESSING_READY )
932 # error your on your own here!
933 /* convert OEM table pointer to virtual address */
934 poemtp = (vm_offset_t)cth.oem_table_pointer;
936 /* read in oem table structure */
937 if ( (oemdata = (void*)malloc( cth.oem_table_size )) == NULL )
938 err( 1, "oem malloc" );
941 readEntry( oemdata, cth.oem_table_size );
947 printf( "\nyou need to modify the source to handle OEM data!\n\n" );
948 #endif /* OEM_PROCESSING_READY */
953 #if defined( RAW_DUMP )
956 u_char dumpbuf[ 4096 ];
958 ofd = open( "/tmp/mpdump", O_CREAT | O_RDWR );
960 readEntry( dumpbuf, 1024 );
961 write( ofd, dumpbuf, 1024 );
964 #endif /* RAW_DUMP */
976 if ( read( pfd, &type, sizeof( u_char ) ) != sizeof( u_char ) )
977 err( 1, "type read; pfd: %d", pfd );
979 if ( lseek( pfd, -1, SEEK_CUR ) < 0 )
980 err( 1, "type seek" );
990 seekEntry( vm_offset_t addr )
992 if ( lseek( pfd, (off_t)addr, SEEK_SET ) < 0 )
993 err( 1, "/dev/mem seek" );
1001 readEntry( void* entry, int size )
1003 if ( read( pfd, entry, size ) != size )
1004 err( 1, "readEntry" );
1009 processorEntry( void )
1013 /* read it into local memory */
1014 readEntry( &entry, sizeof( entry ) );
1019 printf( "\t\t%2d", entry.apicID );
1020 printf( "\t 0x%2x", entry.apicVersion );
1022 printf( "\t %s, %s",
1023 (entry.cpuFlags & PROCENTRY_FLAG_BP) ? "BSP" : "AP",
1024 (entry.cpuFlags & PROCENTRY_FLAG_EN) ? "usable" : "unusable" );
1026 printf( "\t %d\t %d\t %d",
1027 (entry.cpuSignature >> 8) & 0x0f,
1028 (entry.cpuSignature >> 4) & 0x0f,
1029 entry.cpuSignature & 0x0f );
1031 printf( "\t 0x%04x\n", entry.featureFlags );
1040 lookupBusType( char* name )
1044 for ( x = 0; x < MAX_BUSTYPE; ++x )
1045 if ( strcmp( busTypeTable[ x ].name, name ) == 0 )
1046 return busTypeTable[ x ].type;
1048 return UNKNOWN_BUSTYPE;
1060 /* read it into local memory */
1061 readEntry( &entry, sizeof( entry ) );
1067 printf( "\t\t%2d", entry.busID );
1068 printf( "\t " ); pnstr( entry.busType, 6 ); printf( "\n" );
1071 for ( x = 0; x < 6; ++x ) {
1072 // if ( (c = entry.busType[ x ]) == ' ' )
1077 busses[ entry.busID ] = lookupBusType( name );
1078 printf("\tsmp_write_bus(mc, %d, \"", entry.busID);
1079 pnstr( entry.busType, 6 );
1089 /* read it into local memory */
1090 readEntry( &entry, sizeof( entry ) );
1096 printf( "\t\t%2d", entry.apicID );
1097 printf( "\t 0x%02x", entry.apicVersion );
1099 (entry.apicFlags & IOAPICENTRY_FLAG_EN) ? "usable" : "unusable" );
1100 printf( "\t\t 0x%x\n", entry.apicAddress );
1103 apics[ entry.apicID ] = entry.apicID;
1105 // the numbering and setup of ioapics is so irrational
1106 // that for now we will punt.
1108 if (entry.apicFlags & IOAPICENTRY_FLAG_EN)
1109 printf("\tsmp_write_ioapic(mc, 0x%x, 0x%x, 0x%x);\n",
1110 entry.apicID, entry.apicVersion, entry.apicAddress);
1116 char* intTypes[] = {
1117 "mp_INT", "mp_NMI", "mp_SMI", "mp_ExtINT"
1120 char* polarityMode[] = {
1121 "MP_IRQ_POLARITY_DEFAULT", "MP_IRQ_POLARITY_HIGH", "reserved", "MP_IRQ_POLARITY_LOW"
1123 char* triggerMode[] = {
1124 "MP_IRQ_TRIGGER_DEFAULT", "MP_IRQ_TRIGGER_EDGE", "reserved", "MP_IRQ_TRIGGER_LEVEL"
1132 /* read it into local memory */
1133 readEntry( &entry, sizeof( entry ) );
1136 if ( (int)entry.type == 3 )
1140 printf( "\n\t\t%s", intTypes[ (int)entry.intType ] );
1142 printf( "\t%9s", polarityMode[ (int)entry.intFlags & 0x03 ] );
1143 printf( "%12s", triggerMode[ ((int)entry.intFlags >> 2) & 0x03 ] );
1145 printf( "\t %5d", (int)entry.srcBusID );
1146 if ( busses[ (int)entry.srcBusID ] == PCI )
1148 ((int)entry.srcBusIRQ >> 2) & 0x1f,
1149 ((int)entry.srcBusIRQ & 0x03) + 'A' );
1151 printf( "\t 0x%x:0x%x(0x%x)",
1152 (int)entry.srcBusIRQ>>2,
1153 (int)entry.srcBusIRQ & 3,
1154 (int)entry.srcBusIRQ );
1155 printf( "\t %6d", (int)entry.dstApicID );
1156 printf( "\t %3d\n", (int)entry.dstApicINT );
1158 printf("\tsmp_write_intsrc(mc, %s, %s|%s, 0x%x, 0x%x, 0x%x, 0x%x);\n",
1159 intTypes[ (int)entry.intType ],
1160 triggerMode[ ((int)entry.intFlags >> 2) & 0x03 ] ,
1161 polarityMode[ (int)entry.intFlags & 0x03 ],
1162 (int)entry.srcBusID,
1163 (int)entry.srcBusIRQ,
1164 (int)entry.dstApicID ,
1165 (int)entry.dstApicINT );
1174 /* read it into local memory */
1175 readEntry( &entry, sizeof( entry ) );
1178 if ( (int)entry.type == 3 )
1182 printf( "\t\t%s", intTypes[ (int)entry.intType ] );
1184 printf( "\t%9s", polarityMode[ (int)entry.intFlags & 0x03 ] );
1185 printf( "%12s", triggerMode[ ((int)entry.intFlags >> 2) & 0x03 ] );
1187 printf( "\t %5d", (int)entry.srcBusID );
1188 if ( busses[ (int)entry.srcBusID ] == PCI )
1190 ((int)entry.srcBusIRQ >> 2) & 0x1f,
1191 ((int)entry.srcBusIRQ & 0x03) + 'A' );
1193 printf( "\t %3d", (int)entry.srcBusIRQ );
1194 printf( "\t %6d", (int)entry.dstApicID );
1195 printf( "\t %3d\n", (int)entry.dstApicINT );
1197 printf("\tsmp_write_intsrc(mc, %s, %s|%s, 0x%x, 0x%x, MP_APIC_ALL, 0x%x);\n",
1198 intTypes[ (int)entry.intType ],
1199 triggerMode[ ((int)entry.intFlags >> 2) & 0x03 ] ,
1200 polarityMode[ (int)entry.intFlags & 0x03 ],
1201 (int)entry.srcBusID,
1202 (int)entry.srcBusIRQ,
1203 (int)entry.dstApicINT );
1213 /* read it into local memory */
1214 readEntry( &entry, sizeof( entry ) );
1216 printf( "--\n%s\n", extendedtableEntryTypes[ entry.type - 128 ].name );
1217 printf( " bus ID: %d", entry.busID );
1218 printf( " address type: " );
1219 switch ( entry.addressType ) {
1221 printf( "I/O address\n" );
1224 printf( "memory address\n" );
1227 printf( "prefetch address\n" );
1230 printf( "UNKNOWN type\n" );
1234 printf( " address base: 0x%lx\n", entry.addressBase );
1235 printf( " address range: 0x%lx\n", entry.addressLength );
1244 /* read it into local memory */
1245 readEntry( &entry, sizeof( entry ) );
1247 printf( "--\n%s\n", extendedtableEntryTypes[ entry.type - 128 ].name );
1248 printf( " bus ID: %d", entry.busID );
1249 printf( " bus info: 0x%02x", entry.busInfo );
1250 printf( " parent bus ID: %d", entry.busParent );
1259 /* read it into local memory */
1260 readEntry( &entry, sizeof( entry ) );
1262 printf( "--\n%s\n", extendedtableEntryTypes[ entry.type - 128 ].name );
1263 printf( " bus ID: %d", entry.busID );
1264 printf( " address modifier: %s\n", (entry.addressMod & 0x01) ?
1265 "subtract" : "add" );
1266 printf( " predefined range: 0x%08x", entry.predefinedRange );
1276 if (verbose) puts( SEP_LINE );
1278 printf( "dmesg output:\n\n" );
1285 * build "options" entries for the kernel config file
1288 doOptionList( void )
1290 if (verbose) puts( SEP_LINE );
1292 printf( "# SMP kernel config file options:\n\n" );
1293 printf( "\n# Required:\n" );
1294 printf( "options SMP\t\t\t# Symmetric MultiProcessor Kernel\n" );
1295 printf( "options APIC_IO\t\t\t# Symmetric (APIC) I/O\n" );
1297 printf( "\n# Optional (built-in defaults will work in most cases):\n" );
1298 printf( "#options NCPU=%d\t\t\t# number of CPUs\n", ncpu );
1299 printf( "#options NBUS=%d\t\t\t# number of busses\n", nbus );
1300 printf( "#options NAPIC=%d\t\t\t# number of IO APICs\n", napic );
1301 printf( "#options NINTR=%d\t\t# number of INTs\n",
1302 (nintr < 24) ? 24 : nintr );
1310 pnstr( uint8_t* s, int c )
1312 uint8_t string[ MAXPNSTR + 1 ];
1316 strncpy( (char *)string, (char *)s, c );
1318 printf( "%s", string );