Intel Multi-Processor Specification. More...

#include <IntelMP.h>

Inheritance diagram for IntelMP:

Data Structures
struct	MPConfig
	Multiprocessor Configuration Structure. More...

struct	MPEntry
	Multiprocessor Configuration Entry. More...

struct	MPFloat
	Multiprocessor Floating Structure. More...

Public Member Functions
	IntelMP (IntelAPIC &apic)
	Constructor. More...

virtual Result	initialize ()
	Perform initialization. More...

virtual Result	discover ()
	Discover processors. More...

virtual Result	boot (CoreInfo *info)
	Boot a processor. More...

Public Member Functions inherited from CoreManager
	CoreManager ()
	Constructor. More...

List< uint > &	getCores ()
	Get list of core identities. More...

Private Types
typedef struct IntelMP::MPFloat	MPFloat
	Multiprocessor Floating Structure. More...

typedef struct IntelMP::MPConfig	MPConfig
	Multiprocessor Configuration Structure. More...

typedef struct IntelMP::MPEntry	MPEntry
	Multiprocessor Configuration Entry. More...

Private Member Functions
MPEntry *	parseEntry (MPEntry *entry)
	Parse Multiprocessor Config entry. More...

MPConfig *	scanMemory (Address addr)
	Scan memory for a Multiprocessor Config structure. More...

Private Attributes
IntelIO	m_bios
	I/O instance for BIOS memory. More...

IntelIO	m_lastMemory
	I/O instance for the last 1MB of physical memory. More...

IntelAPIC &	m_apic
	APIC instance. More...

Static Private Attributes
static const uint	MPFloatSignature = 0x5f504d5f
	Multiprocessor Floating Structure Signature. More...

static const uint	MPEntryProc = 0
	Multiprocessor Configuration Type ID for processors. More...

static const Address	MPEntryAddr = 0xf000
	Physical memory address at which cores start (bootEntry16). More...

static const Address	MPInfoAddr = MPINFOADDR
	Physical memory address for the CoreInfo structure. More...

static const Address	MPAreaAddr = 0x1000
	BIOS memory area to search for MP tables. More...

static const Size	MPAreaSize = 0x100000-0x1000
	BIOS memory area size to search for MP tables. More...

Additional Inherited Members
Public Types inherited from CoreManager
enum	Result { Success, IOError, NotFound, InvalidArgument }
	Result codes. More...

Protected Attributes inherited from CoreManager
List< uint >	m_cores
	List of core ids found. More...

Detailed Description

Intel Multi-Processor Specification.

Definition at line 70 of file IntelMP.h.

Member Typedef Documentation

◆ MPConfig

typedef struct IntelMP::MPConfig IntelMP::MPConfig

private

Multiprocessor Configuration Structure.

◆ MPEntry

typedef struct IntelMP::MPEntry IntelMP::MPEntry

private

Multiprocessor Configuration Entry.

◆ MPFloat

typedef struct IntelMP::MPFloat IntelMP::MPFloat

private

Multiprocessor Floating Structure.

Constructor & Destructor Documentation

◆ IntelMP()

IntelMP::IntelMP ( IntelAPIC & apic )

Constructor.

Definition at line 24 of file IntelMP.cpp.

Member Function Documentation

◆ boot()

IntelMP::Result IntelMP::boot ( CoreInfo * info )

virtual

Boot a processor.

Parameters

info	CoreInfo object pointer.

Returns: Result code.

Implements CoreManager.

Definition at line 90 of file IntelMP.cpp.

References bootEntry16(), CoreInfo::coreId, DEBUG, ERROR, CoreManager::IOError, CoreInfo::kernelCommand, m_apic, CoreInfo::memory, MPEntryAddr, MPInfoAddr, PAGESIZE, Memory::Range::phys, API::Read, SELF, IntelAPIC::sendStartupIPI(), IntController::Success, CoreManager::Success, VMCopy(), and API::Write.

Referenced by IntelCoreServer::bootCore().

◆ discover()

IntelMP::Result IntelMP::discover ( )

virtual

Discover processors.

Returns: Result code.

Implements CoreManager.

Definition at line 56 of file IntelMP.cpp.

References List< T >::clear(), DEBUG, entry, ERROR, IO::getBase(), m_bios, CoreManager::m_cores, m_lastMemory, CoreManager::NotFound, parseEntry(), scanMemory(), and CoreManager::Success.

Referenced by IntelCoreServer::discoverCores().

◆ initialize()

IntelMP::Result IntelMP::initialize ( )

virtual

Perform initialization.

Returns: Result code.

Implements CoreManager.

Definition at line 30 of file IntelMP.cpp.

References IntelAPIC::getIO(), IntelAPIC::IOBase, m_apic, m_bios, m_lastMemory, IO::map(), MegaByte, SystemInformation::memorySize, MPAreaAddr, MPAreaSize, PAGESIZE, and CoreManager::Success.

Referenced by IntelCoreServer::discoverCores().

◆ parseEntry()

IntelMP::MPEntry * IntelMP::parseEntry ( IntelMP::MPEntry * entry )

private

Parse Multiprocessor Config entry.

Returns: MPEntry object pointer of the next entry.

Definition at line 121 of file IntelMP.cpp.

References List< T >::append(), entry, CoreManager::m_cores, and MPEntryProc.

Referenced by discover().

◆ scanMemory()

IntelMP::MPConfig * IntelMP::scanMemory ( Address addr )

private

Scan memory for a Multiprocessor Config structure.

Returns: MPConfig object pointer on success or ZERO on failure.

Definition at line 41 of file IntelMP.cpp.

References IntelMP::MPFloat::configAddr, MPAreaAddr, MPAreaSize, MPFloatSignature, IntelMP::MPFloat::signature, and ZERO.

Referenced by discover().

Field Documentation

◆ m_apic

IntelAPIC& IntelMP::m_apic

private

APIC instance.

Definition at line 196 of file IntelMP.h.

Referenced by boot(), and initialize().

◆ m_bios

IntelIO IntelMP::m_bios

private

I/O instance for BIOS memory.

Definition at line 190 of file IntelMP.h.

Referenced by discover(), and initialize().

◆ m_lastMemory

IntelIO IntelMP::m_lastMemory

private

I/O instance for the last 1MB of physical memory.

Definition at line 193 of file IntelMP.h.

Referenced by discover(), and initialize().

◆ MPAreaAddr

const Address IntelMP::MPAreaAddr = 0x1000

staticprivate

BIOS memory area to search for MP tables.

Definition at line 87 of file IntelMP.h.

Referenced by initialize(), and scanMemory().

◆ MPAreaSize

const Size IntelMP::MPAreaSize = 0x100000-0x1000

staticprivate

BIOS memory area size to search for MP tables.

Definition at line 90 of file IntelMP.h.

Referenced by initialize(), and scanMemory().

◆ MPEntryAddr

const Address IntelMP::MPEntryAddr = 0xf000

staticprivate

Physical memory address at which cores start (bootEntry16).

Definition at line 81 of file IntelMP.h.

Referenced by boot().

◆ MPEntryProc

const uint IntelMP::MPEntryProc = 0

staticprivate

Multiprocessor Configuration Type ID for processors.

Definition at line 78 of file IntelMP.h.

Referenced by parseEntry().

◆ MPFloatSignature

const uint IntelMP::MPFloatSignature = 0x5f504d5f

staticprivate

Multiprocessor Floating Structure Signature.

Definition at line 75 of file IntelMP.h.

Referenced by scanMemory().

◆ MPInfoAddr

const Address IntelMP::MPInfoAddr = MPINFOADDR

staticprivate

Physical memory address for the CoreInfo structure.

Definition at line 84 of file IntelMP.h.

Referenced by boot().

The documentation for this class was generated from the following files:

lib/libarch/intel/IntelMP.h
lib/libarch/intel/IntelMP.cpp

Data Structures

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ MPConfig

◆ MPEntry

◆ MPFloat

Constructor & Destructor Documentation

◆ IntelMP()

Member Function Documentation

◆ boot()

◆ discover()

◆ initialize()

◆ parseEntry()

◆ scanMemory()

Field Documentation

◆ m_apic

◆ m_bios

◆ m_lastMemory

◆ MPAreaAddr

◆ MPAreaSize

◆ MPEntryAddr

◆ MPEntryProc

◆ MPFloatSignature

◆ MPInfoAddr