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-rw-r--r--util/mptable/Makefile6
-rw-r--r--util/mptable/mptable.c1323
2 files changed, 1329 insertions, 0 deletions
diff --git a/util/mptable/Makefile b/util/mptable/Makefile
new file mode 100644
index 0000000000..5f74b5082e
--- /dev/null
+++ b/util/mptable/Makefile
@@ -0,0 +1,6 @@
+CC=gcc
+
+mptable: mptable.o
+ $(CC) -o mptable mptable.o
+clean:
+ \rm *.o mptable
diff --git a/util/mptable/mptable.c b/util/mptable/mptable.c
new file mode 100644
index 0000000000..c6d50d4053
--- /dev/null
+++ b/util/mptable/mptable.c
@@ -0,0 +1,1323 @@
+/*
+ * Copyright (c) 1996, by Steve Passe
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. The name of the developer may NOT be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * mptable.c
+ */
+
+#ifndef lint
+static const char rcsid[] =
+ "$Id$";
+#endif /* not lint */
+
+#define VMAJOR 2
+#define VMINOR 0
+#define VDELTA 15
+
+/*
+ * this will cause the raw mp table to be dumped to /tmp/mpdump
+ *
+#define RAW_DUMP
+ */
+
+#define MP_SIG 0x5f504d5f /* _MP_ */
+#define EXTENDED_PROCESSING_READY
+#define OEM_PROCESSING_READY_NOT
+
+#include <sys/types.h>
+#include <err.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define SEP_LINE \
+"\n-------------------------------------------------------------------------------\n"
+
+#define SEP_LINE2 \
+"\n===============================================================================\n"
+
+/* EBDA is @ 40:0e in real-mode terms */
+#define EBDA_POINTER 0x040e /* location of EBDA pointer */
+
+/* CMOS 'top of mem' is @ 40:13 in real-mode terms */
+#define TOPOFMEM_POINTER 0x0413 /* BIOS: base memory size */
+
+#define DEFAULT_TOPOFMEM 0xa0000
+
+#define BIOS_BASE 0xf0000
+#define BIOS_BASE2 0xe0000
+#define BIOS_SIZE 0x10000
+#define ONE_KBYTE 1024
+
+#define GROPE_AREA1 0x80000
+#define GROPE_AREA2 0x90000
+#define GROPE_SIZE 0x10000
+
+#define PROCENTRY_FLAG_EN 0x01
+#define PROCENTRY_FLAG_BP 0x02
+#define IOAPICENTRY_FLAG_EN 0x01
+
+#define MAXPNSTR 132
+
+#define LINUXBIOS_MP_TABLE 0
+
+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;
+
+
+typedef unsigned long vm_offset_t;
+
+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( 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 lintEntry( 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 = 0;
+int grope = 0;
+int verbose = 0;
+int noisy = 0;
+/* preamble to the mptable. This is fixed for all linuxbioses */
+
+char *preamble[] = {
+"#include <arch/smp/mpspec.h>",
+"#include <string.h>",
+"#include <printk.h>",
+"#include <pci.h>",
+"#include <stdint.h>",
+"",
+"void *smp_write_config_table(void *v, unsigned long * processor_map)",
+"{",
+" static const char sig[4] = \"PCMP\";",
+" static const char oem[8] = \"LNXI \";",
+" static const char productid[12] = \"P4DPE \";",
+" struct mp_config_table *mc;",
+"",
+" mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);",
+" memset(mc, 0, sizeof(*mc));",
+"",
+" memcpy(mc->mpc_signature, sig, sizeof(sig));",
+" mc->mpc_length = sizeof(*mc); /* initially just the header */",
+" mc->mpc_spec = 0x04;",
+" mc->mpc_checksum = 0; /* not yet computed */",
+" memcpy(mc->mpc_oem, oem, sizeof(oem));",
+" memcpy(mc->mpc_productid, productid, sizeof(productid));",
+" mc->mpc_oemptr = 0;",
+" mc->mpc_oemsize = 0;",
+" mc->mpc_entry_count = 0; /* No entries yet... */",
+" mc->mpc_lapic = LAPIC_ADDR;",
+" mc->mpe_length = 0;",
+" mc->mpe_checksum = 0;",
+" mc->reserved = 0;",
+"",
+" smp_write_processors(mc, processor_map);",
+"",
+"",
+0
+};
+
+char *postamble[] = {
+" /* There is no extension information... */",
+"",
+" /* Compute the checksums */",
+" mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length);",
+" mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length);",
+" printk_debug(\"Wrote the mp table end at: %p - %p\\n\",",
+" mc, smp_next_mpe_entry(mc));",
+" return smp_next_mpe_entry(mc);",
+"}",
+"",
+"unsigned long write_smp_table(unsigned long addr, unsigned long *processor_map)",
+"{",
+" void *v;",
+" v = smp_write_floating_table(addr);",
+" return (unsigned long)smp_write_config_table(v, processor_map);",
+"}",
+0
+};
+
+char *ioapic_code[] = {
+" smp_write_ioapic(mc, 2, 0x20, 0xfec00000);",
+" {",
+" struct pci_dev *dev;",
+" uint32_t base;",
+" dev = pci_find_slot(1, PCI_DEVFN(0x1e,0));",
+" if (dev) {",
+" pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &base);",
+" base &= PCI_BASE_ADDRESS_MEM_MASK;",
+" smp_write_ioapic(mc, 3, 0x20, base);",
+" }",
+" dev = pci_find_slot(1, PCI_DEVFN(0x1c,0));",
+" if (dev) {",
+" pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &base);",
+" base &= PCI_BASE_ADDRESS_MEM_MASK;",
+" smp_write_ioapic(mc, 4, 0x20, base);",
+" }",
+" dev = pci_find_slot(4, PCI_DEVFN(0x1e,0));",
+" if (dev) {",
+" pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &base);",
+" base &= PCI_BASE_ADDRESS_MEM_MASK;",
+" smp_write_ioapic(mc, 5, 0x20, base);",
+" }",
+" dev = pci_find_slot(4, PCI_DEVFN(0x1c,0));",
+" if (dev) {",
+" pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &base);",
+" base &= PCI_BASE_ADDRESS_MEM_MASK;",
+" smp_write_ioapic(mc, 8, 0x20, base);",
+" }",
+" }",
+0
+};
+static void
+usage( void )
+{
+ fprintf( stderr, "usage: mptable [-dmesg] [-verbose] [-grope] [-help]\n" );
+ exit( 0 );
+}
+
+void
+write_code(char **code)
+{
+ while (*code)
+ printf("%s\n", *code++);
+}
+/*
+ *
+ */
+int
+main( int argc, char *argv[] )
+{
+ vm_offset_t paddr;
+ int where;
+ mpfps_t mpfps;
+ int defaultConfig;
+
+ extern int optreset;
+ int ch;
+
+ /* announce ourselves */
+
+ if (verbose) puts( SEP_LINE2 );
+
+ printf( "/* generatred by MPTable, version %d.%d.%d*/\n", VMAJOR, VMINOR, VDELTA );
+ printf("/* as modified by RGM for LinuxBIOS */\n");
+ write_code(preamble);
+
+ /* Ron hates getopt() */
+
+ for(argc--, argv++; argc; argc--, argv++){
+ char *optarg = argv[0];
+ if ( strcmp( optarg, "-dmesg") == 0 ) {
+ dmesg = 1;
+ } else
+ if ( strcmp( optarg, "-help") == 0 )
+ {
+ usage();
+ } else
+ if ( strcmp( optarg, "-grope") == 0 ){
+ grope = 1;
+ } else if ( strcmp( optarg, "-verbose") == 0 )
+ verbose = 1;
+ else if ( strcmp( optarg, "-noisy") == 0 )
+ noisy = 1;
+ else usage();
+ }
+
+ /* open physical memory for access to MP structures */
+ if ( (pfd = open( "/dev/mem", O_RDONLY )) < 0 )
+ err( 1, "mem open" );
+
+ /* probe for MP structures */
+ apic_probe( &paddr, &where );
+ if ( where <= 0 ) {
+ fprintf( stderr, "\n MP FPS NOT found,\n" );
+ fprintf( stderr, " suggest trying -grope option!!!\n\n" );
+ return 1;
+ }
+
+ if ( verbose )
+ printf( "\n MP FPS found in %s @ physical addr: 0x%08x\n",
+ whereStrings[ where - 1 ], paddr );
+
+ if (verbose) puts( SEP_LINE );
+
+ /* analyze the MP Floating Pointer Structure */
+ MPFloatingPointer( paddr, where, &mpfps );
+
+ if (verbose) 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 */
+ if (noisy)
+ doOptionList();
+
+ write_code(postamble);
+ /* do a dmesg output */
+ if ( dmesg )
+ doDmesg();
+
+ if (verbose) 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" );
+ }
+
+ target = 0;
+ segment = 0;
+ if ( verbose )
+ printf( " searching for LinuxBIOS MP table @ 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;
+ }
+ }
+
+
+ /* 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 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 */
+ if (verbose) {
+ printf( "MP Floating Pointer Structure:\n\n" );
+
+ printf( " location:\t\t\t" );
+ switch ( where )
+ {
+ case 1:
+ printf( "EBDA\n" );
+ break;
+ case 2:
+ printf( "BIOS base memory\n" );
+ break;
+ case 3:
+ printf( "DEFAULT base memory (639K)\n" );
+ break;
+ case 4:
+ printf( "BIOS\n" );
+ break;
+ case 5:
+ printf( "Extended BIOS\n" );
+ break;
+
+ case 0:
+ printf( "NOT found!\n" );
+ exit( 1 );
+ default:
+ printf( "BOGUS!\n" );
+ exit( 1 );
+ }
+ printf( " physical address:\t\t0x%08x\n", paddr );
+
+ printf( " signature:\t\t\t'" );
+ pnstr( mpfps->signature, 4 );
+ printf( "'\n" );
+
+ printf( " length:\t\t\t%d bytes\n", mpfps->length * 16 );
+ printf( " version:\t\t\t1.%1d\n", mpfps->spec_rev );
+ printf( " checksum:\t\t\t0x%02x\n", mpfps->checksum );
+
+ /* bits 0:6 are RESERVED */
+ if ( mpfps->mpfb2 & 0x7f ) {
+ printf( " warning, MP feature byte 2: 0x%02x\n", mpfps->mpfb2 );
+ }
+
+ /* bit 7 is IMCRP */
+ printf( " mode:\t\t\t\t%s\n", (mpfps->mpfb2 & 0x80) ?
+ "PIC" : "Virtual Wire" );
+
+ /* MP feature bytes 3-5 are expected to be ZERO */
+ if ( mpfps->mpfb3 )
+ printf( " warning, MP feature byte 3 NONZERO!\n" );
+ if ( mpfps->mpfb4 )
+ printf( " warning, MP feature byte 4 NONZERO!\n" );
+ if ( mpfps->mpfb5 )
+ printf( " warning, MP feature byte 5 NONZERO!\n" );
+ }
+}
+
+
+/*
+ *
+ */
+static void
+MPConfigDefault( int featureByte )
+{
+ printf( " MP default config type: %d\n\n", featureByte );
+ switch ( featureByte ) {
+ case 1:
+ printf( " bus: ISA, APIC: 82489DX\n" );
+ break;
+ case 2:
+ printf( " bus: EISA, APIC: 82489DX\n" );
+ break;
+ case 3:
+ printf( " bus: EISA, APIC: 82489DX\n" );
+ break;
+ case 4:
+ printf( " bus: MCA, APIC: 82489DX\n" );
+ break;
+ case 5:
+ printf( " bus: ISA+PCI, APIC: Integrated\n" );
+ break;
+ case 6:
+ printf( " bus: EISA+PCI, APIC: Integrated\n" );
+ break;
+ case 7:
+ printf( " bus: MCA+PCI, APIC: Integrated\n" );
+ break;
+ default:
+ printf( " future type\n" );
+ break;
+ }
+
+ switch ( featureByte ) {
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ nbus = 1;
+ break;
+ case 5:
+ case 6:
+ case 7:
+ nbus = 2;
+ break;
+ default:
+ printf( " future type\n" );
+ break;
+ }
+
+ ncpu = 2;
+ napic = 1;
+ nintr = 16;
+}
+
+
+/*
+ *
+ */
+static void
+MPConfigTableHeader( void* 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 ) );
+
+ if (verbose) {
+ 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;
+
+ if (verbose) {
+ if (verbose) 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 */
+ if (verbose) {
+ 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( "/*Bus:\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( "/*I/O APICs:\tAPIC ID\tVersion\tState\t\tAddress*/\n" );
+ for ( t = totalSize, c = count; c; c-- ) {
+ if ( readType() == 2 )
+ ioApicEntry();
+ totalSize -= basetableEntryTypes[ 2 ].length;
+ }
+
+ write_code(ioapic_code);
+
+ /* process all the I/O Ints */
+ printf( "/*I/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( "/*Local Ints:\tType\tPolarity Trigger\tBus ID\t IRQ\tAPIC ID\tPIN#*/\n" );
+ for ( t = totalSize, c = count; c; c-- ) {
+ if ( readType() == 4 )
+ lintEntry();
+ totalSize -= basetableEntryTypes[ 4 ].length;
+ }
+
+
+#if defined( EXTENDED_PROCESSING_READY )
+ /* process any extended data */
+ if ( (totalSize = cth.extended_table_length) ) {
+ if (verbose) 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 defined( RAW_DUMP )
+{
+ int ofd;
+ u_char dumpbuf[ 4096 ];
+
+ ofd = open( "/tmp/mpdump", O_CREAT | O_RDWR );
+ seekEntry( paddr );
+ readEntry( dumpbuf, 1024 );
+ write( ofd, dumpbuf, 1024 );
+ close( ofd );
+}
+#endif /* RAW_DUMP */
+}
+
+
+/*
+ *
+ */
+static int
+readType( void )
+{
+ u_char type;
+
+ if ( read( pfd, &type, sizeof( u_char ) ) != sizeof( u_char ) )
+ err( 1, "type read; pfd: %d", pfd );
+
+ if ( lseek( pfd, -1, SEEK_CUR ) < 0 )
+ err( 1, "type seek" );
+
+ return (int)type;
+}
+
+
+/*
+ *
+ */
+static void
+seekEntry( vm_offset_t addr )
+{
+ if ( lseek( pfd, (off_t)addr, SEEK_SET ) < 0 )
+ err( 1, "/dev/mem seek" );
+}
+
+
+/*
+ *
+ */
+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;
+ if (noisy) {
+ 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;
+
+ if (verbose) {
+ 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 );
+ printf("\tsmp_write_bus(mc, %d, \"", entry.busID);
+ pnstr( entry.busType, 6 );
+ printf("\");\n");
+}
+
+
+static void
+ioApicEntry( void )
+{
+ IOApicEntry entry;
+
+ /* read it into local memory */
+ readEntry( &entry, sizeof( entry ) );
+
+ /* count it */
+ ++napic;
+
+ if (noisy) {
+ 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;
+
+ // the numbering and setup of ioapics is so irrational
+ // that for now we will punt.
+#if 0
+ if (entry.apicFlags & IOAPICENTRY_FLAG_EN)
+ printf("\tsmp_write_ioapic(mc, 0x%x, 0x%x, 0x%x);\n",
+ entry.apicID, entry.apicVersion, entry.apicAddress);
+#endif
+
+}
+
+
+char* intTypes[] = {
+ "mp_INT", "mp_NMI", "mp_SMI", "mp_ExtINT"
+};
+
+char* polarityMode[] = {
+ "conforms", "MP_IRQ_POLARITY_HIGH", "reserved", "MP_IRQ_POLARITY_LOW"
+};
+char* triggerMode[] = {
+ "conforms", "MP_IRQ_TRIGGER_EDGE", "reserved", "MP_IRQ_TRIGGER_LEVEL"
+};
+
+static void
+intEntry( void )
+{
+ IntEntry entry;
+
+ /* read it into local memory */
+ readEntry( &entry, sizeof( entry ) );
+
+ /* count it */
+ if ( (int)entry.type == 3 )
+ ++nintr;
+
+ if (noisy) {
+ printf( "\n\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 0x%x:0x%x(0x%x)",
+ (int)entry.srcBusIRQ>>2,
+ (int)entry.srcBusIRQ & 3,
+ (int)entry.srcBusIRQ );
+ printf( "\t %6d", (int)entry.dstApicID );
+ printf( "\t %3d\n", (int)entry.dstApicINT );
+ }
+ printf("\tsmp_write_intsrc(mc, %s, %s|%s, 0x%x, 0x%x, 0x%x, 0x%x);\n",
+ intTypes[ (int)entry.intType ],
+ triggerMode[ ((int)entry.intFlags >> 2) & 0x03 ] ,
+ polarityMode[ (int)entry.intFlags & 0x03 ],
+ (int)entry.srcBusID,
+ (int)entry.srcBusIRQ,
+ (int)entry.dstApicID ,
+ (int)entry.dstApicINT );
+
+}
+
+static void
+lintEntry( void )
+{
+ IntEntry entry;
+
+ /* read it into local memory */
+ readEntry( &entry, sizeof( entry ) );
+
+ /* count it */
+ if ( (int)entry.type == 3 )
+ ++nintr;
+
+ if (noisy) {
+ 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 );
+ }
+ printf("\tsmp_write_intsrc(mc, %s, %s|%s, 0x%x, 0x%x, MP_APIC_ALL, 0x%x);\n",
+ intTypes[ (int)entry.intType ],
+ triggerMode[ ((int)entry.intFlags >> 2) & 0x03 ] ,
+ polarityMode[ (int)entry.intFlags & 0x03 ],
+ (int)entry.srcBusID,
+ (int)entry.srcBusIRQ,
+ (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%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 - 128 ].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 - 128 ].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 )
+{
+ if (verbose) puts( SEP_LINE );
+
+ printf( "dmesg output:\n\n" );
+ fflush( stdout );
+ system( "dmesg" );
+}
+
+
+/*
+ * build "options" entries for the kernel config file
+ */
+static void
+doOptionList( void )
+{
+ if (verbose) 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( "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",
+ (nintr < 24) ? 24 : nintr );
+}
+
+
+/*
+ *
+ */
+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 );
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 19:04:35 +0000