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 <arch/ioapic.h>",
304 "#include <device/pci.h>",
305 "#include <string.h>",
306 "#include <stdint.h>",
308 "static void *smp_write_config_table(void *v)",
310 " struct mp_config_table *mc;",
312 " mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);",
314 " mptable_init(mc, \"TODO \", LAPIC_ADDR);",
316 " smp_write_processors(mc);",
322 char *postamble[] = {
323 " /* There is no extension information... */",
325 " /* Compute the checksums */",
326 " mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length);",
327 " mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length);",
328 " printk(BIOS_DEBUG, \"Wrote the mp table end at: %p - %p\\n\",",
329 " mc, smp_next_mpe_entry(mc));",
330 " return smp_next_mpe_entry(mc);",
333 "unsigned long write_smp_table(unsigned long addr)",
336 " v = smp_write_floating_table(addr);",
337 " return (unsigned long)smp_write_config_table(v);",
342 char *ioapic_code[] = {
343 " smp_write_ioapic(mc, 2, 0x20, IO_APIC_ADDR);",
346 " struct resource *res;",
347 " dev = dev_find_slot(1, PCI_DEVFN(0x1e,0));",
349 " res = find_resource(dev, PCI_BASE_ADDRESS_0);",
351 " smp_write_ioapic(mc, 3, 0x20, res->base);",
354 " dev = dev_find_slot(1, PCI_DEVFN(0x1c,0));",
356 " res = find_resource(dev, PCI_BASE_ADDRESS_0);",
358 " smp_write_ioapic(mc, 4, 0x20, res->base);",
361 " dev = dev_find_slot(4, PCI_DEVFN(0x1e,0));",
363 " res = find_resource(dev, PCI_BASE_ADDRESS_0);",
365 " smp_write_ioapic(mc, 5, 0x20, res->base);",
368 " dev = dev_find_slot(4, PCI_DEVFN(0x1c,0));",
370 " res = find_resource(dev, PCI_BASE_ADDRESS_0);",
372 " smp_write_ioapic(mc, 8, 0x20, res->base);",
381 fprintf( stderr, "usage: mptable [-dmesg] [-verbose] [-grope] [-help]\n" );
386 write_code(char **code)
389 printf("%s\n", *code++);
395 main( int argc, char *argv[] )
402 /* announce ourselves */
404 if (verbose) puts( SEP_LINE2 );
406 printf( "/* generated by MPTable, version %d.%d.%d*/\n", VMAJOR, VMINOR, VDELTA );
407 printf("/* as modified by RGM for coreboot */\n");
408 write_code(preamble);
410 /* Ron hates getopt() */
412 for(argc--, argv++; argc; argc--, argv++){
413 if ( strcmp( argv[0], "-dmesg") == 0 ) {
416 if ( strcmp( argv[0], "-help") == 0 )
420 if ( strcmp( argv[0], "-grope") == 0 ){
422 } else if ( strcmp( argv[0], "-verbose") == 0 )
424 else if ( strcmp( argv[0], "-noisy") == 0 )
429 /* open physical memory for access to MP structures */
430 if ( (pfd = open( "/dev/mem", O_RDONLY )) < 0 )
431 err( 1, "mem open" );
433 /* probe for MP structures */
434 apic_probe( &paddr, &where );
436 fprintf( stderr, "\n MP FPS NOT found,\n" );
437 fprintf( stderr, " suggest trying -grope option!!!\n\n" );
442 printf( "\n MP FPS found in %s @ physical addr: 0x%08x\n",
443 whereStrings[ where - 1 ], paddr );
445 if (verbose) puts( SEP_LINE );
447 /* analyze the MP Floating Pointer Structure */
448 MPFloatingPointer( paddr, where, &mpfps );
450 if (verbose) puts( SEP_LINE );
452 /* check whether an MP config table exists */
453 if ( (defaultConfig = mpfps.mpfb1) )
454 MPConfigDefault( defaultConfig );
456 MPConfigTableHeader( mpfps.pap );
458 /* build "options" entries for the kernel config file */
462 write_code(postamble);
463 /* do a dmesg output */
467 if (verbose) puts( SEP_LINE2 );
474 * set PHYSICAL address of MP floating pointer structure
476 #define NEXT(X) ((X) += 4)
478 apic_probe( vm_offset_t* paddr, int* where )
481 * c rewrite of apic_probe() by Jack F. Vogel
487 u_int buffer[ BIOS_SIZE / sizeof( int ) ];
492 /* search Extended Bios Data Area, if present */
494 printf( " looking for EBDA pointer @ 0x%04x, ", EBDA_POINTER );
495 seekEntry( (vm_offset_t)EBDA_POINTER );
496 readEntry( &segment, 2 );
497 if ( segment ) { /* search EBDA */
498 target = (vm_offset_t)segment << 4;
500 printf( "found, searching EBDA @ 0x%08x\n", target );
502 readEntry( buffer, ONE_KBYTE );
504 for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) {
505 if ( buffer[ x ] == MP_SIG ) {
507 *paddr = (x * sizeof( unsigned int )) + target;
514 printf( "NOT found\n" );
520 printf( " searching for coreboot MP table @ 0x%08x (%dK)\n",
523 readEntry( buffer, ONE_KBYTE );
525 for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) {
526 if ( buffer[ x ] == MP_SIG ) {
528 *paddr = (x * sizeof( unsigned int )) + target;
534 /* read CMOS for real top of mem */
535 seekEntry( (vm_offset_t)TOPOFMEM_POINTER );
536 readEntry( &segment, 2 );
537 --segment; /* less ONE_KBYTE */
538 target = segment * 1024;
540 printf( " searching CMOS 'top of mem' @ 0x%08x (%dK)\n",
543 readEntry( buffer, ONE_KBYTE );
545 for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) {
546 if ( buffer[ x ] == MP_SIG ) {
548 *paddr = (x * sizeof( unsigned int )) + target;
553 /* we don't necessarily believe CMOS, check base of the last 1K of 640K */
554 if ( target != (DEFAULT_TOPOFMEM - 1024)) {
555 target = (DEFAULT_TOPOFMEM - 1024);
557 printf( " searching default 'top of mem' @ 0x%08x (%dK)\n",
558 target, (target / 1024) );
560 readEntry( buffer, ONE_KBYTE );
562 for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) {
563 if ( buffer[ x ] == MP_SIG ) {
565 *paddr = (x * sizeof( unsigned int )) + target;
571 /* search the BIOS */
573 printf( " searching BIOS @ 0x%08x\n", BIOS_BASE );
574 seekEntry( BIOS_BASE );
575 readEntry( buffer, BIOS_SIZE );
577 for ( x = 0; x < BIOS_SIZE / sizeof( unsigned int ); NEXT(x) ) {
578 if ( buffer[ x ] == MP_SIG ) {
580 *paddr = (x * sizeof( unsigned int )) + BIOS_BASE;
585 /* search the extended BIOS */
587 printf( " searching extended BIOS @ 0x%08x\n", BIOS_BASE2 );
588 seekEntry( BIOS_BASE2 );
589 readEntry( buffer, BIOS_SIZE );
591 for ( x = 0; x < BIOS_SIZE / sizeof( unsigned int ); NEXT(x) ) {
592 if ( buffer[ x ] == MP_SIG ) {
594 *paddr = (x * sizeof( unsigned int )) + BIOS_BASE2;
600 /* search additional memory */
601 target = GROPE_AREA1;
603 printf( " groping memory @ 0x%08x\n", target );
605 readEntry( buffer, GROPE_SIZE );
607 for ( x = 0; x < GROPE_SIZE / sizeof( unsigned int ); NEXT(x) ) {
608 if ( buffer[ x ] == MP_SIG ) {
610 *paddr = (x * sizeof( unsigned int )) + GROPE_AREA1;
615 target = GROPE_AREA2;
617 printf( " groping memory @ 0x%08x\n", target );
619 readEntry( buffer, GROPE_SIZE );
621 for ( x = 0; x < GROPE_SIZE / sizeof( unsigned int ); NEXT(x) ) {
622 if ( buffer[ x ] == MP_SIG ) {
624 *paddr = (x * sizeof( unsigned int )) + GROPE_AREA2;
631 *paddr = (vm_offset_t)0;
639 MPFloatingPointer( vm_offset_t paddr, int where, mpfps_t* mpfps )
642 /* read in mpfps structure*/
644 readEntry( mpfps, sizeof( mpfps_t ) );
646 /* show its contents */
648 printf( "MP Floating Pointer Structure:\n\n" );
650 printf( " location:\t\t\t" );
657 printf( "BIOS base memory\n" );
660 printf( "DEFAULT base memory (639K)\n" );
666 printf( "Extended BIOS\n" );
670 printf( "NOT found!\n" );
673 printf( "BOGUS!\n" );
676 printf( " physical address:\t\t0x%08x\n", paddr );
678 printf( " signature:\t\t\t'" );
679 pnstr( mpfps->signature, 4 );
682 printf( " length:\t\t\t%d bytes\n", mpfps->length * 16 );
683 printf( " version:\t\t\t1.%1d\n", mpfps->spec_rev );
684 printf( " checksum:\t\t\t0x%02x\n", mpfps->checksum );
686 /* bits 0:6 are RESERVED */
687 if ( mpfps->mpfb2 & 0x7f ) {
688 printf( " warning, MP feature byte 2: 0x%02x\n", mpfps->mpfb2 );
692 printf( " mode:\t\t\t\t%s\n", (mpfps->mpfb2 & 0x80) ?
693 "PIC" : "Virtual Wire" );
695 /* MP feature bytes 3-5 are expected to be ZERO */
697 printf( " warning, MP feature byte 3 NONZERO!\n" );
699 printf( " warning, MP feature byte 4 NONZERO!\n" );
701 printf( " warning, MP feature byte 5 NONZERO!\n" );
710 MPConfigDefault( int featureByte )
712 printf( " MP default config type: %d\n\n", featureByte );
713 switch ( featureByte ) {
715 printf( " bus: ISA, APIC: 82489DX\n" );
718 printf( " bus: EISA, APIC: 82489DX\n" );
721 printf( " bus: EISA, APIC: 82489DX\n" );
724 printf( " bus: MCA, APIC: 82489DX\n" );
727 printf( " bus: ISA+PCI, APIC: Integrated\n" );
730 printf( " bus: EISA+PCI, APIC: Integrated\n" );
733 printf( " bus: MCA+PCI, APIC: Integrated\n" );
736 printf( " future type\n" );
740 switch ( featureByte ) {
753 printf( " future type\n" );
767 MPConfigTableHeader( uint32_t pap )
777 printf( "MP Configuration Table Header MISSING!\n" );
781 /* convert physical address to virtual address */
782 paddr = (vm_offset_t)pap;
784 /* read in cth structure */
786 readEntry( &cth, sizeof( cth ) );
789 printf( "MP Config Table Header:\n\n" );
791 printf( " physical address:\t\t0x%08x\n", pap );
793 printf( " signature:\t\t\t'" );
794 pnstr( cth.signature, 4 );
797 printf( " base table length:\t\t%d\n", cth.base_table_length );
799 printf( " version:\t\t\t1.%1d\n", cth.spec_rev );
800 printf( " checksum:\t\t\t0x%02x\n", cth.checksum );
802 printf( " OEM ID:\t\t\t'" );
803 pnstr( cth.oem_id, 8 );
806 printf( " Product ID:\t\t\t'" );
807 pnstr( cth.product_id, 12 );
810 printf( " OEM table pointer:\t\t0x%08x\n", cth.oem_table_pointer );
811 printf( " OEM table size:\t\t%d\n", cth.oem_table_size );
813 printf( " entry count:\t\t\t%d\n", cth.entry_count );
815 printf( " local APIC address:\t\t0x%08x\n", cth.apic_address );
817 printf( " extended table length:\t%d\n", cth.extended_table_length );
818 printf( " extended table checksum:\t%d\n", cth.extended_table_checksum );
821 totalSize = cth.base_table_length - sizeof( struct MPCTH );
822 count = cth.entry_count;
825 if (verbose) puts( SEP_LINE );
827 printf( "MP Config Base Table Entries:\n\n" );
830 /* initialze tables */
831 for ( x = 0; x < 16; ++x ) {
832 busses[ x ] = apics[ x ] = 0xff;
840 /* process all the CPUs */
842 printf( "--\nProcessors:\tAPIC ID\tVersion\tState"
843 "\t\tFamily\tModel\tStep\tFlags\n" );
845 for ( t = totalSize, c = count; c; c-- ) {
846 if ( readType() == 0 )
848 totalSize -= basetableEntryTypes[ 0 ].length;
851 /* process all the busses */
852 printf( "/*Bus:\t\tBus ID\tType*/\n" );
853 for ( t = totalSize, c = count; c; c-- ) {
854 if ( readType() == 1 )
856 totalSize -= basetableEntryTypes[ 1 ].length;
859 /* process all the apics */
860 printf( "/*I/O APICs:\tAPIC ID\tVersion\tState\t\tAddress*/\n" );
861 for ( t = totalSize, c = count; c; c-- ) {
862 if ( readType() == 2 )
864 totalSize -= basetableEntryTypes[ 2 ].length;
867 write_code(ioapic_code);
869 /* process all the I/O Ints */
870 printf( "/*I/O Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#\n*/" );
871 for ( t = totalSize, c = count; c; c-- ) {
872 if ( readType() == 3 )
874 totalSize -= basetableEntryTypes[ 3 ].length;
877 /* process all the Local Ints */
878 printf( "/*Local Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#*/\n" );
879 for ( t = totalSize, c = count; c; c-- ) {
880 if ( readType() == 4 )
882 totalSize -= basetableEntryTypes[ 4 ].length;
886 #if defined( EXTENDED_PROCESSING_READY )
887 /* process any extended data */
888 if ( (totalSize = cth.extended_table_length) ) {
889 if (verbose) puts( SEP_LINE );
891 printf( "MP Config Extended Table Entries:\n\n" );
893 while ( totalSize > 0 ) {
894 switch ( type = readType() ) {
905 printf( "Extended Table HOSED!\n" );
909 totalSize -= extendedtableEntryTypes[ type-128 ].length;
912 #endif /* EXTENDED_PROCESSING_READY */
914 /* process any OEM data */
915 if ( cth.oem_table_pointer && (cth.oem_table_size > 0) ) {
916 #if defined( OEM_PROCESSING_READY )
917 # error your on your own here!
918 /* convert OEM table pointer to virtual address */
919 poemtp = (vm_offset_t)cth.oem_table_pointer;
921 /* read in oem table structure */
922 if ( (oemdata = (void*)malloc( cth.oem_table_size )) == NULL )
923 err( 1, "oem malloc" );
926 readEntry( oemdata, cth.oem_table_size );
932 printf( "\nyou need to modify the source to handle OEM data!\n\n" );
933 #endif /* OEM_PROCESSING_READY */
938 #if defined( RAW_DUMP )
941 u_char dumpbuf[ 4096 ];
943 ofd = open( "/tmp/mpdump", O_CREAT | O_RDWR );
945 readEntry( dumpbuf, 1024 );
946 write( ofd, dumpbuf, 1024 );
949 #endif /* RAW_DUMP */
961 if ( read( pfd, &type, sizeof( u_char ) ) != sizeof( u_char ) )
962 err( 1, "type read; pfd: %d", pfd );
964 if ( lseek( pfd, -1, SEEK_CUR ) < 0 )
965 err( 1, "type seek" );
975 seekEntry( vm_offset_t addr )
977 if ( lseek( pfd, (off_t)addr, SEEK_SET ) < 0 )
978 err( 1, "/dev/mem seek" );
986 readEntry( void* entry, int size )
988 if ( read( pfd, entry, size ) != size )
989 err( 1, "readEntry" );
994 processorEntry( void )
998 /* read it into local memory */
999 readEntry( &entry, sizeof( entry ) );
1004 printf( "\t\t%2d", entry.apicID );
1005 printf( "\t 0x%2x", entry.apicVersion );
1007 printf( "\t %s, %s",
1008 (entry.cpuFlags & PROCENTRY_FLAG_BP) ? "BSP" : "AP",
1009 (entry.cpuFlags & PROCENTRY_FLAG_EN) ? "usable" : "unusable" );
1011 printf( "\t %d\t %d\t %d",
1012 (entry.cpuSignature >> 8) & 0x0f,
1013 (entry.cpuSignature >> 4) & 0x0f,
1014 entry.cpuSignature & 0x0f );
1016 printf( "\t 0x%04x\n", entry.featureFlags );
1025 lookupBusType( char* name )
1029 for ( x = 0; x < MAX_BUSTYPE; ++x )
1030 if ( strcmp( busTypeTable[ x ].name, name ) == 0 )
1031 return busTypeTable[ x ].type;
1033 return UNKNOWN_BUSTYPE;
1045 /* read it into local memory */
1046 readEntry( &entry, sizeof( entry ) );
1052 printf( "\t\t%2d", entry.busID );
1053 printf( "\t " ); pnstr( entry.busType, 6 ); printf( "\n" );
1056 for ( x = 0; x < 6; ++x ) {
1057 // if ( (c = entry.busType[ x ]) == ' ' )
1062 busses[ entry.busID ] = lookupBusType( name );
1063 printf("\tsmp_write_bus(mc, %d, \"", entry.busID);
1064 pnstr( entry.busType, 6 );
1074 /* read it into local memory */
1075 readEntry( &entry, sizeof( entry ) );
1081 printf( "\t\t%2d", entry.apicID );
1082 printf( "\t 0x%02x", entry.apicVersion );
1084 (entry.apicFlags & IOAPICENTRY_FLAG_EN) ? "usable" : "unusable" );
1085 printf( "\t\t 0x%x\n", entry.apicAddress );
1088 apics[ entry.apicID ] = entry.apicID;
1090 // the numbering and setup of ioapics is so irrational
1091 // that for now we will punt.
1093 if (entry.apicFlags & IOAPICENTRY_FLAG_EN)
1094 printf("\tsmp_write_ioapic(mc, 0x%x, 0x%x, 0x%x);\n",
1095 entry.apicID, entry.apicVersion, entry.apicAddress);
1101 char* intTypes[] = {
1102 "mp_INT", "mp_NMI", "mp_SMI", "mp_ExtINT"
1105 char* polarityMode[] = {
1106 "MP_IRQ_POLARITY_DEFAULT", "MP_IRQ_POLARITY_HIGH", "reserved", "MP_IRQ_POLARITY_LOW"
1108 char* triggerMode[] = {
1109 "MP_IRQ_TRIGGER_DEFAULT", "MP_IRQ_TRIGGER_EDGE", "reserved", "MP_IRQ_TRIGGER_LEVEL"
1117 /* read it into local memory */
1118 readEntry( &entry, sizeof( entry ) );
1121 if ( (int)entry.type == 3 )
1125 printf( "\n\t\t%s", intTypes[ (int)entry.intType ] );
1127 printf( "\t%9s", polarityMode[ (int)entry.intFlags & 0x03 ] );
1128 printf( "%12s", triggerMode[ ((int)entry.intFlags >> 2) & 0x03 ] );
1130 printf( "\t %5d", (int)entry.srcBusID );
1131 if ( busses[ (int)entry.srcBusID ] == PCI )
1133 ((int)entry.srcBusIRQ >> 2) & 0x1f,
1134 ((int)entry.srcBusIRQ & 0x03) + 'A' );
1136 printf( "\t 0x%x:0x%x(0x%x)",
1137 (int)entry.srcBusIRQ>>2,
1138 (int)entry.srcBusIRQ & 3,
1139 (int)entry.srcBusIRQ );
1140 printf( "\t %6d", (int)entry.dstApicID );
1141 printf( "\t %3d\n", (int)entry.dstApicINT );
1143 printf("\tsmp_write_intsrc(mc, %s, %s|%s, 0x%x, 0x%x, 0x%x, 0x%x);\n",
1144 intTypes[ (int)entry.intType ],
1145 triggerMode[ ((int)entry.intFlags >> 2) & 0x03 ] ,
1146 polarityMode[ (int)entry.intFlags & 0x03 ],
1147 (int)entry.srcBusID,
1148 (int)entry.srcBusIRQ,
1149 (int)entry.dstApicID ,
1150 (int)entry.dstApicINT );
1159 /* read it into local memory */
1160 readEntry( &entry, sizeof( entry ) );
1163 if ( (int)entry.type == 3 )
1167 printf( "\t\t%s", intTypes[ (int)entry.intType ] );
1169 printf( "\t%9s", polarityMode[ (int)entry.intFlags & 0x03 ] );
1170 printf( "%12s", triggerMode[ ((int)entry.intFlags >> 2) & 0x03 ] );
1172 printf( "\t %5d", (int)entry.srcBusID );
1173 if ( busses[ (int)entry.srcBusID ] == PCI )
1175 ((int)entry.srcBusIRQ >> 2) & 0x1f,
1176 ((int)entry.srcBusIRQ & 0x03) + 'A' );
1178 printf( "\t %3d", (int)entry.srcBusIRQ );
1179 printf( "\t %6d", (int)entry.dstApicID );
1180 printf( "\t %3d\n", (int)entry.dstApicINT );
1182 printf("\tsmp_write_intsrc(mc, %s, %s|%s, 0x%x, 0x%x, MP_APIC_ALL, 0x%x);\n",
1183 intTypes[ (int)entry.intType ],
1184 triggerMode[ ((int)entry.intFlags >> 2) & 0x03 ] ,
1185 polarityMode[ (int)entry.intFlags & 0x03 ],
1186 (int)entry.srcBusID,
1187 (int)entry.srcBusIRQ,
1188 (int)entry.dstApicINT );
1198 /* read it into local memory */
1199 readEntry( &entry, sizeof( entry ) );
1201 printf( "--\n%s\n", extendedtableEntryTypes[ entry.type - 128 ].name );
1202 printf( " bus ID: %d", entry.busID );
1203 printf( " address type: " );
1204 switch ( entry.addressType ) {
1206 printf( "I/O address\n" );
1209 printf( "memory address\n" );
1212 printf( "prefetch address\n" );
1215 printf( "UNKNOWN type\n" );
1219 printf( " address base: 0x%lx\n", entry.addressBase );
1220 printf( " address range: 0x%lx\n", entry.addressLength );
1229 /* read it into local memory */
1230 readEntry( &entry, sizeof( entry ) );
1232 printf( "--\n%s\n", extendedtableEntryTypes[ entry.type - 128 ].name );
1233 printf( " bus ID: %d", entry.busID );
1234 printf( " bus info: 0x%02x", entry.busInfo );
1235 printf( " parent bus ID: %d", entry.busParent );
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( " address modifier: %s\n", (entry.addressMod & 0x01) ?
1250 "subtract" : "add" );
1251 printf( " predefined range: 0x%08x", entry.predefinedRange );
1261 if (verbose) puts( SEP_LINE );
1263 printf( "dmesg output:\n\n" );
1270 * build "options" entries for the kernel config file
1273 doOptionList( void )
1275 if (verbose) puts( SEP_LINE );
1277 printf( "# SMP kernel config file options:\n\n" );
1278 printf( "\n# Required:\n" );
1279 printf( "options SMP\t\t\t# Symmetric MultiProcessor Kernel\n" );
1280 printf( "options APIC_IO\t\t\t# Symmetric (APIC) I/O\n" );
1282 printf( "\n# Optional (built-in defaults will work in most cases):\n" );
1283 printf( "#options NCPU=%d\t\t\t# number of CPUs\n", ncpu );
1284 printf( "#options NBUS=%d\t\t\t# number of busses\n", nbus );
1285 printf( "#options NAPIC=%d\t\t\t# number of IO APICs\n", napic );
1286 printf( "#options NINTR=%d\t\t# number of INTs\n",
1287 (nintr < 24) ? 24 : nintr );
1295 pnstr( uint8_t* s, int c )
1297 uint8_t string[ MAXPNSTR + 1 ];
1301 strncpy( (char *)string, (char *)s, c );
1303 printf( "%s", string );