Source code of Windows XP (NT5)
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;/*
;++
;
; Copyright (c) 1992 Intel Corporation
; All rights reserved
;
; INTEL CORPORATION PROPRIETARY INFORMATION
;
; This software is supplied to Microsoft under the terms
; of a license agreement with Intel Corporation and may not be
; copied nor disclosed except in accordance with the terms
; of that agreement.
;
;
; Module Name:
;
; pcmp.inc
;
; Abstract:
;
; include file for PC+MP system.
;
; WARNING: This file is included by both ASM and C files.
;
; Author:
;
; Ron Mosgrove and Rajesh Shah (Intel) 30-July-1993
;
;--
;
if 0 ; Begin C only code */
#pragma pack(1)
//
// IMCR (Interrupt Mode Control Register) access definitions
//
#define ImcrDisableApic 0x00
#define ImcrEnableApic 0x01
#define ImcrRegPortAddr 0x22
#if defined(NEC_98)
#define ImcrDataPortAddr 0x700
#else // defined(NEC_98)
#define ImcrDataPortAddr 0x23
#endif // defined(NEC_98)
#define ImcrPort 0x70
// Physical location where the Extended BIOS Data Area segment adress is stored
#define EBDA_SEGMENT_PTR 0x40e
#define BASE_MEM_PTR 0x413
//
// The PC+MP configuration table Possible Entry Types
//
#define ENTRY_PROCESSOR 0
#define ENTRY_BUS 1
#define ENTRY_IOAPIC 2
#define ENTRY_INTI 3
#define ENTRY_LINTI 4
#define HEADER_SIZE 0x2c
// Number of default configurations for PC+MP version 1.1
#define NUM_DEFAULT_CONFIGS 7
//
// Processor Entry definitions
//
typedef struct _CPUIDENTIFIER {
ULONG Stepping : 4;
ULONG Model : 4;
ULONG Family : 4;
ULONG Reserved : 20;
} CPUIDENTIFIER, *PCPUIDENTIFIER;
//
// Bits used in the CpuFlags field of the Processor entry
//
#define CPU_DISABLED 0x0 // 1 Bit - CPU Disabled
#define CPU_ENABLED 0x1 // 1 Bit - CPU Enabled
#define BSP_CPU 0x2 // Bit #2 - CPU is BSP
//
// APIC Versions used by PC+MP systems - this is used in the
// Processor entries and the IoApic Entries
//
#define APIC_INTEGRATED 0x10 // 8 Bits-Apic Version Register
#define APIC_82489DX 0x0 // 8 Bits-Apic Version Register
typedef struct _PcMpProcessorEntry {
UCHAR EntryType;
UCHAR LocalApicId;
UCHAR LocalApicVersion;
UCHAR CpuFlags;
CPUIDENTIFIER CpuIdentification; // CPU Identification
ULONG FeatureFlags;
UCHAR Reserved[8];
} PCMPPROCESSOR , *PPCMPPROCESSOR;
//
// Bus Entry definitions
//
typedef struct _PcMpBusEntry {
UCHAR EntryType;
UCHAR BusId;
CHAR BusType[6];
} PCMPBUS, *PPCMPBUS;
//
// Io Apic Entry definitions
//
// Valid IoApicFlag values
//
#define IO_APIC_ENABLED 0x1
#define IO_APIC_DISABLED 0x0
//
// Default value for Io Apic ID.
//
#define IOUNIT_APIC_ID 0xE
typedef struct _PcMpIoApicEntry {
UCHAR EntryType;
UCHAR IoApicId;
UCHAR IoApicVersion;
UCHAR IoApicFlag;
PVOID IoApicAddress;
} PCMPIOAPIC, *PPCMPIOAPIC;
//
// Bits that define the Interrupt logically
//
typedef struct _PolarityAndLevel {
USHORT Polarity : 2;
USHORT Level : 2;
USHORT Reserved : 12;
} POLARITYANDLEVEL, *PPOLARITYANDLEVEL;
typedef struct _PcMpApicIntiEntry {
UCHAR EntryType;
UCHAR IntType;
POLARITYANDLEVEL Signal;
UCHAR SourceBusId;
UCHAR SourceBusIrq;
UCHAR IoApicId;
UCHAR IoApicInti;
} PCMPINTI, *PPCMPINTI;
//
// Local Apic Interrupt Entry definitions
//
typedef struct _PcMpLintiEntry {
UCHAR EntryType;
UCHAR IntType;
POLARITYANDLEVEL Signal;
UCHAR SourceBusId;
UCHAR SourceBusIrq;
UCHAR DestLocalApicId;
UCHAR DestLocalApicInti;
} PCMPLINTI, *PPCMPLINTI;
//
// The PC+MP table definition
//
struct PcMpTable {
//
// PC+MP config table HEADER part (HEADER_SIZE bytes long)
//
ULONG Signature; // Must contain "P","C","M","P"
USHORT TableLength; // Length including the header
UCHAR Revision; // Rev 1.0 == 1
UCHAR Checksum; // Entire table including checksum byte
CHAR OemId[8]; // OEM defined
CHAR OemProductId[12]; // OEM defined
PVOID OemTablePtr; // OEM specific data
USHORT OemTableSize; // length in bytes of the OEM table
USHORT NumOfEntries; // Number of entries in the data portion
PVOID LocalApicAddress; // Physical address of Local units
USHORT ExtTableLength; // Extension table size
UCHAR ExtTableChecksum; // Complete checksum including extension table
UCHAR Reserved; // Not Used
};
//
// PC+MP Signature used to verify the PC+MP table
// as valid
//
// "P"=50H,"C"=43H,"M"=4dH,"P"=50H
//
#define PCMP_SIGNATURE 0x504d4350
//
// PC+MP Signature used to identify the floating pointer
// structure (in extended BIOS data segment) that contains
// a pointer to the PC+MP table.
//
// "_"=5fH, "M"=4dH, "P"=50H, "_"=5fH
//
#define MP_PTR_SIGNATURE 0x5f504d5f
//
// This is the floating pointer structure
//
// For PC+MP version 1.0
struct PcMpTableLocator {
ULONG MpPtrSignature; // Must be "_MP_" (0x5f504d5f)
PUCHAR TablePtr; // ptr to the PC+MP Table
UCHAR MpTableLength; // Floating pointer structure length
UCHAR TableRevision; // Rev 1.0 == 1
UCHAR TableChecksum; // Checksum of PcMpTableLocator
UCHAR Pad;
ULONG Reserved;
};
struct FloatPtrStruct {
ULONG MpPtrSignature; // Must be "_MP_" (0x5f504d5f)
PUCHAR TablePtr; // ptr to the PC+MP Table
UCHAR MpTableLength; // Floating pointer structure length
UCHAR TableRevision; // Rev 1.0 == 1
UCHAR TableChecksum; // Checksum of PcMpTableLocator
UCHAR MpFeatureInfoByte1; // MP feature info. byte 1
UCHAR MpFeatureInfoByte2; // MP feature info. byte 2
UCHAR Pad;
USHORT Reserved;
};
//
// Extension table definitions
//
#define EXTTYPE_BUS_ADDRESS_MAP 128
#define EXTTYPE_BUS_HIERARCHY 129
#define EXTTYPE_BUS_COMPATIBLE_MAP 130
#define EXTTYPE_PERSISTENT_STORE 131
typedef struct {
UCHAR Type;
UCHAR Length;
union {
struct {
UCHAR BusId;
UCHAR Type;
LONGLONG Base;
LONGLONG Length;
} AddressMap;
struct {
UCHAR BusId;
UCHAR SubtractiveDecode:1;
UCHAR ParentBusId;
} BusHierarchy;
struct {
LONGLONG Address;
LONGLONG Length;
} PersistentStore;
struct {
UCHAR BusId;
UCHAR Modifier:1;
UCHAR Reserved:7;
ULONG List;
} CompatibleMap;
} u;
} MPS_EXTENTRY, *PMPS_EXTENTRY;
#define MPS_ADDRESS_MAP_IO 0
#define MPS_ADDRESS_MAP_MEMORY 1
#define MPS_ADDRESS_MAP_PREFETCH_MEMORY 2
#define MPS_ADDRESS_MAP_UNDEFINED 9
//
// The System configuration table as used by a PC_MP system
//
//
// The offset is relative to the BIOS starting at f0000H
//
#define PTR_OFFSET 0x0000e6f5
#define BIOS_BASE 0x000f0000
#define PCMP_IMPLEMENTED 0x01 // In MpFeatureInfoByte1
#define PCMP_CONFIG_MASK 0x0e // In MpFeatureInfoByte1
#define IMCR_MASK 0x80 // In MpFeatureInfoByte2
#define MULT_CLOCKS_MASK 0x40 // In MpFeatureInfoByte2
struct SystemConfigTable {
UCHAR Reserved[PTR_OFFSET];
USHORT NumOfBytes; // Table can be variable length.
UCHAR ModelType; // AT=0xfc, unknown board=0xff
UCHAR SubModelType;
UCHAR BIOSRevision; // First release = 0x0
UCHAR FeatureInfoByte[3]; // Standard AT features
UCHAR MpFeatureInfoByte1; // MP feature info. byte 1
UCHAR MpFeatureInfoByte2; // MP feature info. byte 2
} ;
#pragma pack()
NTSTATUS
HalpPci2MpsBusNumber(
IN UCHAR PciBusNumber,
OUT UCHAR *MpsBusNumber
);
PBUS_HANDLER
HalpFindIdeBus(
IN ULONG Vector
);
BOOLEAN
HalpInterruptsDescribedByMpsTable(
IN UCHAR MpsBusNumber
);
NTSTATUS
HalpMpsGetParentBus(
IN UCHAR MpsBus,
OUT UCHAR *ParentMpsBus
);
BOOLEAN
HalpMpsBusIsRootBus(
IN UCHAR MpsBus
);
VOID
HalpMPSPCIChildren (
VOID
);
/*
endif
;
; IMCR (Interrupt Mode Control Register) access definitions
;
ImcrDisableApic equ 00H
ImcrEnableApic equ 01H
ImcrRegPortAddr equ 22H
ifdef NEC_98
ImcrDataPortAddr equ 700H
else ; NEC_98
ImcrDataPortAddr equ 23H
endif ; NEC_98
ImcrPort equ 70H
;
; MP Configuration Table - Built by an MP BIOS for OS Support
;
; PC+MP Signature used to identify the floating pointer
; structure (in extended BIOS data segment) that contains
; a pointer to the PC+MP table.
;
; "_"=5fH, "M"=4dH, "P"=50H, "_"=5fH
;
MP_PTR_SIGNATURE equ 5f504d5fH
;
; PC+MP Signature used to verify the PC+MP table
; as valid
;
; "P"=50H,"C"=43H,"M"=4dH,"P"=50H
;
PCMP_SIGNATURE equ 504d4350H
;
; The PC+MP configuration table Possible Entry Types
;
ENTRY_PROCESSOR equ 0H
ENTRY_BUS equ 1H
ENTRY_IOAPIC equ 2H
ENTRY_INTI equ 3H
ENTRY_LINTI equ 4H
;
; Bits used in the CpuFlags field of the Processor entry
;
CPU_ENABLED equ 01H
CPU_DISABLED equ 00H
BSP_CPU equ 02H
;
; APIC Versions used by PC+MP systems - this is used in the
; Processor entries and the IoApic Entries
;
APIC_INTEGRATED equ 10H
APIC_82489DX equ 00H
;
; Macros used in table definitions
;
HEADER_SIZE equ 2CH
; Number of default configurations for PC+MP version 1.1
NUM_DEFAULT_CONFIGS equ 7
;
; Io Apic Entry definitions
;
IO_APIC_ENABLED equ 01H
IO_APIC_DISABLED equ 00H
;
; Default value for Io Apic ID.
;
IOUNIT_APIC_ID equ 0EH ; ID of the IO Unit
PcMpTable struc
; HEADER portion of the PC+MP config table
;
Signature db 4 dup (0) ; Must be "P","C","M","P"
TableLength dw 0 ; Length in bytes of table
Revision db 0 ; Table revision #
Checksum db 0 ; Table checksum
OemId db 8 dup (0) ; OemId string
OemProductId db 12 dup (0) ; Oem product id
OemTablePtr dd 0 ; Ptr to OEM table
OemTableSize dw 0 ; Size of OEM table
NumOfEntries dw 0 ; # of entries in table
LocalApicAddress dd 0 ; Physical address of Local units
ExtTableLength dw 0 ; Extension table size
ExtTableChecksum db 0 ; Complete checksum including extension table
Reserved db 0 ; Not Used
PcMpTable ends
;
; Bios Constants. The offset is relative to the BIOS starting at
; f0000H.
;
PTR_OFFSET equ 0e6f5H
BIOS_BASE equ 0f0000H
PCMP_IMPLEMENTED equ 01H
PCMP_CONFIG_MASK equ 0eH
IMCR_MASK equ 80H
MULT_CLOCKS_MASK equ 40H
PcMpTableLocator struc
MpPtrSignature dd 0 ; Must be "_MP_" (0x5f504d5f)
TablePtr dd 0
MpTableLength db 0
TableRevision db 0
TableChecksum db 0
Pad db 0
Reserved dd 0
PcMpTableLocator ends
SystemConfigTable struc
db PTR_OFFSET dup (0) ;Skip to 0e6f5
NumOfBytes db 2 ; Table Length
ModelType db 0 ; AT=0fc, unknown=0ff
SubModelType db 0
BIOSRevision db 0 ; 00=first release
FeatureInfoByte db 3 dup (0) ; AT features
MpFeatureInfoByte1 db 0 ; MP feature info. byte 1
MpFeatureInfoByte2 db 0 ; MP feature info. byte 2
SystemConfigTable ends
; */