1324 lines
31 KiB
C
1324 lines
31 KiB
C
/*
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* Copyright (c) 1996, by Steve Passe
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the developer may NOT be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* mptable.c
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*/
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#ifndef lint
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static const char rcsid[] =
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"$Id$";
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#endif /* not lint */
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#define VMAJOR 2
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#define VMINOR 0
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#define VDELTA 15
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/*
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* this will cause the raw mp table to be dumped to /tmp/mpdump
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*
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#define RAW_DUMP
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*/
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#define MP_SIG 0x5f504d5f /* _MP_ */
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#define EXTENDED_PROCESSING_READY
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#define OEM_PROCESSING_READY_NOT
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#include <sys/types.h>
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#include <err.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define SEP_LINE \
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"\n-------------------------------------------------------------------------------\n"
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#define SEP_LINE2 \
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"\n===============================================================================\n"
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/* EBDA is @ 40:0e in real-mode terms */
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#define EBDA_POINTER 0x040e /* location of EBDA pointer */
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/* CMOS 'top of mem' is @ 40:13 in real-mode terms */
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#define TOPOFMEM_POINTER 0x0413 /* BIOS: base memory size */
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#define DEFAULT_TOPOFMEM 0xa0000
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#define BIOS_BASE 0xf0000
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#define BIOS_BASE2 0xe0000
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#define BIOS_SIZE 0x10000
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#define ONE_KBYTE 1024
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#define GROPE_AREA1 0x80000
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#define GROPE_AREA2 0x90000
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#define GROPE_SIZE 0x10000
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#define PROCENTRY_FLAG_EN 0x01
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#define PROCENTRY_FLAG_BP 0x02
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#define IOAPICENTRY_FLAG_EN 0x01
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#define MAXPNSTR 132
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#define LINUXBIOS_MP_TABLE 0
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enum busTypes {
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CBUS = 1,
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CBUSII = 2,
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EISA = 3,
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ISA = 6,
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PCI = 13,
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XPRESS = 18,
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MAX_BUSTYPE = 18,
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UNKNOWN_BUSTYPE = 0xff
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};
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typedef struct BUSTYPENAME {
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u_char type;
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char name[ 7 ];
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} busTypeName;
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static busTypeName busTypeTable[] =
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{
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{ CBUS, "CBUS" },
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{ CBUSII, "CBUSII" },
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{ EISA, "EISA" },
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{ UNKNOWN_BUSTYPE, "---" },
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{ UNKNOWN_BUSTYPE, "---" },
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{ ISA, "ISA" },
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{ UNKNOWN_BUSTYPE, "---" },
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{ UNKNOWN_BUSTYPE, "---" },
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{ UNKNOWN_BUSTYPE, "---" },
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{ UNKNOWN_BUSTYPE, "---" },
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{ UNKNOWN_BUSTYPE, "---" },
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{ UNKNOWN_BUSTYPE, "---" },
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{ PCI, "PCI" },
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{ UNKNOWN_BUSTYPE, "---" },
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{ UNKNOWN_BUSTYPE, "---" },
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{ UNKNOWN_BUSTYPE, "---" },
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{ UNKNOWN_BUSTYPE, "---" },
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{ UNKNOWN_BUSTYPE, "---" },
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{ UNKNOWN_BUSTYPE, "---" }
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};
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char* whereStrings[] = {
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"Extended BIOS Data Area",
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"BIOS top of memory",
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"Default top of memory",
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"BIOS",
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"Extended BIOS",
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"GROPE AREA #1",
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"GROPE AREA #2"
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};
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typedef struct TABLE_ENTRY {
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u_char type;
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u_char length;
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char name[ 32 ];
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} tableEntry;
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tableEntry basetableEntryTypes[] =
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{
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{ 0, 20, "Processor" },
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{ 1, 8, "Bus" },
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{ 2, 8, "I/O APIC" },
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{ 3, 8, "I/O INT" },
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{ 4, 8, "Local INT" }
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};
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tableEntry extendedtableEntryTypes[] =
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{
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{ 128, 20, "System Address Space" },
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{ 129, 8, "Bus Heirarchy" },
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{ 130, 8, "Compatibility Bus Address" }
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};
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/* MP Floating Pointer Structure */
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typedef struct MPFPS {
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char signature[ 4 ];
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void* pap;
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u_char length;
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u_char spec_rev;
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u_char checksum;
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u_char mpfb1;
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u_char mpfb2;
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u_char mpfb3;
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u_char mpfb4;
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u_char mpfb5;
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} mpfps_t;
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/* MP Configuration Table Header */
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typedef struct MPCTH {
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char signature[ 4 ];
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u_short base_table_length;
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u_char spec_rev;
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u_char checksum;
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u_char oem_id[ 8 ];
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u_char product_id[ 12 ];
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void* oem_table_pointer;
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u_short oem_table_size;
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u_short entry_count;
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void* apic_address;
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u_short extended_table_length;
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u_char extended_table_checksum;
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u_char reserved;
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} mpcth_t;
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typedef struct PROCENTRY {
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u_char type;
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u_char apicID;
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u_char apicVersion;
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u_char cpuFlags;
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u_long cpuSignature;
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u_long featureFlags;
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u_long reserved1;
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u_long reserved2;
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} ProcEntry;
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typedef struct BUSENTRY {
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u_char type;
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u_char busID;
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char busType[ 6 ];
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} BusEntry;
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typedef struct IOAPICENTRY {
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u_char type;
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u_char apicID;
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u_char apicVersion;
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u_char apicFlags;
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void* apicAddress;
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} IOApicEntry;
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typedef struct INTENTRY {
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u_char type;
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u_char intType;
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u_short intFlags;
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u_char srcBusID;
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u_char srcBusIRQ;
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u_char dstApicID;
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u_char dstApicINT;
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} IntEntry;
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/*
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* extended entry type structures
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*/
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typedef struct SASENTRY {
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u_char type;
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u_char length;
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u_char busID;
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u_char addressType;
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u_int64_t addressBase;
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u_int64_t addressLength;
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} SasEntry;
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typedef struct BHDENTRY {
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u_char type;
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u_char length;
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u_char busID;
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u_char busInfo;
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u_char busParent;
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u_char reserved[ 3 ];
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} BhdEntry;
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typedef struct CBASMENTRY {
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u_char type;
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u_char length;
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u_char busID;
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u_char addressMod;
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u_int predefinedRange;
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} CbasmEntry;
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typedef unsigned long vm_offset_t;
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static void apic_probe( vm_offset_t* paddr, int* where );
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static void MPConfigDefault( int featureByte );
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static void MPFloatingPointer( vm_offset_t paddr, int where, mpfps_t* mpfps );
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static void MPConfigTableHeader( void* pap );
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static int readType( void );
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static void seekEntry( vm_offset_t addr );
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static void readEntry( void* entry, int size );
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static void processorEntry( void );
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static void busEntry( void );
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static void ioApicEntry( void );
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static void intEntry( void );
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static void lintEntry( void );
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static void sasEntry( void );
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static void bhdEntry( void );
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static void cbasmEntry( void );
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static void doOptionList( void );
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static void doDmesg( void );
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static void pnstr( char* s, int c );
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/* global data */
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int pfd; /* physical /dev/mem fd */
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int busses[ 16 ];
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int apics[ 16 ];
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int ncpu;
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int nbus;
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int napic;
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int nintr;
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int dmesg = 0;
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int grope = 0;
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int verbose = 0;
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int noisy = 0;
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/* preamble to the mptable. This is fixed for all linuxbioses */
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char *preamble[] = {
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"#include <arch/smp/mpspec.h>",
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"#include <string.h>",
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"#include <printk.h>",
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"#include <pci.h>",
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"#include <stdint.h>",
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"",
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"void *smp_write_config_table(void *v)",
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"{",
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" static const char sig[4] = \"PCMP\";",
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" static const char oem[8] = \"LNXI \";",
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" static const char productid[12] = \"P4DPE \";",
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" struct mp_config_table *mc;",
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"",
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" mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);",
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" memset(mc, 0, sizeof(*mc));",
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"",
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" memcpy(mc->mpc_signature, sig, sizeof(sig));",
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" mc->mpc_length = sizeof(*mc); /* initially just the header */",
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" mc->mpc_spec = 0x04;",
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" mc->mpc_checksum = 0; /* not yet computed */",
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" memcpy(mc->mpc_oem, oem, sizeof(oem));",
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" memcpy(mc->mpc_productid, productid, sizeof(productid));",
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" mc->mpc_oemptr = 0;",
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" mc->mpc_oemsize = 0;",
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" mc->mpc_entry_count = 0; /* No entries yet... */",
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" mc->mpc_lapic = LAPIC_ADDR;",
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" mc->mpe_length = 0;",
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" mc->mpe_checksum = 0;",
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" mc->reserved = 0;",
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"",
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" smp_write_processors(mc);",
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"",
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"",
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0
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};
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char *postamble[] = {
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" /* There is no extension information... */",
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"",
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" /* Compute the checksums */",
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" mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length);",
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" mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length);",
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" printk_debug(\"Wrote the mp table end at: %p - %p\\n\",",
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" mc, smp_next_mpe_entry(mc));",
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" return smp_next_mpe_entry(mc);",
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"}",
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"",
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"unsigned long write_smp_table(unsigned long addr)",
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"{",
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" void *v;",
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" v = smp_write_floating_table(addr);",
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" return (unsigned long)smp_write_config_table(v);",
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"}",
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0
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};
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char *ioapic_code[] = {
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" smp_write_ioapic(mc, 2, 0x20, 0xfec00000);",
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" {",
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" struct pci_dev *dev;",
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" uint32_t base;",
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" dev = pci_find_slot(1, PCI_DEVFN(0x1e,0));",
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" if (dev) {",
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" pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &base);",
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" base &= PCI_BASE_ADDRESS_MEM_MASK;",
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" smp_write_ioapic(mc, 3, 0x20, base);",
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" }",
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" dev = pci_find_slot(1, PCI_DEVFN(0x1c,0));",
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" if (dev) {",
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" pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &base);",
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" base &= PCI_BASE_ADDRESS_MEM_MASK;",
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" smp_write_ioapic(mc, 4, 0x20, base);",
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" }",
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" dev = pci_find_slot(4, PCI_DEVFN(0x1e,0));",
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" if (dev) {",
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" pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &base);",
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" base &= PCI_BASE_ADDRESS_MEM_MASK;",
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" smp_write_ioapic(mc, 5, 0x20, base);",
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" }",
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" dev = pci_find_slot(4, PCI_DEVFN(0x1c,0));",
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" if (dev) {",
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" pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &base);",
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" base &= PCI_BASE_ADDRESS_MEM_MASK;",
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" smp_write_ioapic(mc, 8, 0x20, base);",
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" }",
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" }",
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0
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};
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static void
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usage( void )
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{
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fprintf( stderr, "usage: mptable [-dmesg] [-verbose] [-grope] [-help]\n" );
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exit( 0 );
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}
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void
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write_code(char **code)
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{
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while (*code)
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printf("%s\n", *code++);
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}
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/*
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*
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*/
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int
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main( int argc, char *argv[] )
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{
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vm_offset_t paddr;
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int where;
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mpfps_t mpfps;
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int defaultConfig;
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extern int optreset;
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int ch;
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/* announce ourselves */
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if (verbose) puts( SEP_LINE2 );
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printf( "/* generatred by MPTable, version %d.%d.%d*/\n", VMAJOR, VMINOR, VDELTA );
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printf("/* as modified by RGM for LinuxBIOS */\n");
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write_code(preamble);
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/* Ron hates getopt() */
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for(argc--, argv++; argc; argc--, argv++){
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char *optarg = argv[0];
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if ( strcmp( optarg, "-dmesg") == 0 ) {
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dmesg = 1;
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} else
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if ( strcmp( optarg, "-help") == 0 )
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{
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usage();
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} else
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if ( strcmp( optarg, "-grope") == 0 ){
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grope = 1;
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} else if ( strcmp( optarg, "-verbose") == 0 )
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verbose = 1;
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else if ( strcmp( optarg, "-noisy") == 0 )
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noisy = 1;
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else usage();
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}
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/* open physical memory for access to MP structures */
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if ( (pfd = open( "/dev/mem", O_RDONLY )) < 0 )
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err( 1, "mem open" );
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/* probe for MP structures */
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apic_probe( &paddr, &where );
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if ( where <= 0 ) {
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fprintf( stderr, "\n MP FPS NOT found,\n" );
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fprintf( stderr, " suggest trying -grope option!!!\n\n" );
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return 1;
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}
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if ( verbose )
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printf( "\n MP FPS found in %s @ physical addr: 0x%08x\n",
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whereStrings[ where - 1 ], paddr );
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if (verbose) puts( SEP_LINE );
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/* analyze the MP Floating Pointer Structure */
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MPFloatingPointer( paddr, where, &mpfps );
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if (verbose) puts( SEP_LINE );
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/* check whether an MP config table exists */
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if ( (defaultConfig = mpfps.mpfb1) )
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MPConfigDefault( defaultConfig );
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else
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MPConfigTableHeader( mpfps.pap );
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/* build "options" entries for the kernel config file */
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if (noisy)
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doOptionList();
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write_code(postamble);
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/* do a dmesg output */
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if ( dmesg )
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doDmesg();
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if (verbose) puts( SEP_LINE2 );
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return 0;
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}
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|
|
|
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/*
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* set PHYSICAL address of MP floating pointer structure
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*/
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#define NEXT(X) ((X) += 4)
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static void
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apic_probe( vm_offset_t* paddr, int* where )
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{
|
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/*
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* c rewrite of apic_probe() by Jack F. Vogel
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*/
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|
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int x;
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u_short segment;
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vm_offset_t target;
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u_int buffer[ BIOS_SIZE / sizeof( int ) ];
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|
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if ( verbose )
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printf( "\n" );
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|
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/* search Extended Bios Data Area, if present */
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if ( verbose )
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printf( " looking for EBDA pointer @ 0x%04x, ", EBDA_POINTER );
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seekEntry( (vm_offset_t)EBDA_POINTER );
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readEntry( &segment, 2 );
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if ( segment ) { /* search EBDA */
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target = (vm_offset_t)segment << 4;
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if ( verbose )
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printf( "found, searching EBDA @ 0x%08x\n", target );
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seekEntry( target );
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readEntry( buffer, ONE_KBYTE );
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|
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for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) {
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if ( buffer[ x ] == MP_SIG ) {
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*where = 1;
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*paddr = (x * sizeof( unsigned int )) + target;
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return;
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}
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}
|
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}
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else {
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if ( verbose )
|
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printf( "NOT found\n" );
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}
|
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|
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target = 0;
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segment = 0;
|
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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 );
|
|
}
|