Simple physical register file class. More...

#include <regfile.hh>

Public Types
using	IdRange

Public Member Functions
	PhysRegFile (unsigned _numPhysicalIntRegs, unsigned _numPhysicalFloatRegs, unsigned _numPhysicalVecRegs, unsigned _numPhysicalVecPredRegs, unsigned _numPhysicalMatRegs, unsigned _numPhysicalCCRegs, const BaseISA::RegClasses &classes)
	Constructs a physical register file with the specified amount of integer and floating point registers.

	~PhysRegFile ()
	Destructor to free resources.

void	initFreeList (UnifiedFreeList *freeList)
	Initialize the free list.

unsigned	totalNumPhysRegs () const

PhysRegIdPtr	getMiscRegId (RegIndex reg_idx)
	Gets a misc register PhysRegIdPtr.

RegVal	getReg (PhysRegIdPtr phys_reg) const

void	getReg (PhysRegIdPtr phys_reg, void *val) const

void *	getWritableReg (PhysRegIdPtr phys_reg)

void	setReg (PhysRegIdPtr phys_reg, RegVal val)

void	setReg (PhysRegIdPtr phys_reg, const void *val)

Private Types
using	PhysIds = std::vector<PhysRegId>

Private Attributes
RegFile	intRegFile
	Integer register file.

std::vector< PhysRegId >	intRegIds

RegFile	floatRegFile
	Floating point register file.

std::vector< PhysRegId >	floatRegIds

RegFile	vectorRegFile
	Vector register file.

std::vector< PhysRegId >	vecRegIds

RegFile	vectorElemRegFile
	Vector element register file.

std::vector< PhysRegId >	vecElemIds

RegFile	vecPredRegFile
	Predicate register file.

std::vector< PhysRegId >	vecPredRegIds

RegFile	matRegFile
	Matrix register file.

std::vector< PhysRegId >	matRegIds

RegFile	ccRegFile
	Condition-code register file.

std::vector< PhysRegId >	ccRegIds

std::vector< PhysRegId >	miscRegIds
	Misc Reg Ids.

unsigned	numPhysicalIntRegs
	Number of physical general purpose registers.

unsigned	numPhysicalFloatRegs
	Number of physical floating point registers.

unsigned	numPhysicalVecRegs
	Number of physical vector registers.

unsigned	numPhysicalVecElemRegs
	Number of physical vector element registers.

unsigned	numPhysicalVecPredRegs
	Number of physical predicate registers.

unsigned	numPhysicalMatRegs
	Number of physical matrix registers.

unsigned	numPhysicalCCRegs
	Number of physical CC registers.

unsigned	totalNumRegs
	Total number of physical registers.

Detailed Description

Simple physical register file class.

Definition at line 65 of file regfile.hh.

Member Typedef Documentation

◆ IdRange

using gem5::o3::PhysRegFile::IdRange

Initial value:

std::pair<PhysIds::iterator,

PhysIds::iterator>

std::pair

STL pair class.

Definition stl.hh:58

Definition at line 71 of file regfile.hh.

◆ PhysIds

using gem5::o3::PhysRegFile::PhysIds = std::vector<PhysRegId>

private

Definition at line 69 of file regfile.hh.

Constructor & Destructor Documentation

◆ PhysRegFile()

gem5::o3::PhysRegFile::PhysRegFile	(	unsigned	_numPhysicalIntRegs,
		unsigned	_numPhysicalFloatRegs,
		unsigned	_numPhysicalVecRegs,
		unsigned	_numPhysicalVecPredRegs,
		unsigned	_numPhysicalMatRegs,
		unsigned	_numPhysicalCCRegs,
		const BaseISA::RegClasses &	classes )

Constructs a physical register file with the specified amount of integer and floating point registers.

Definition at line 52 of file regfile.cc.

References gem5::CCRegClass, ccRegIds, gem5::FloatRegClass, floatRegIds, gem5::IntRegClass, intRegIds, gem5::MatRegClass, matRegIds, gem5::MiscRegClass, miscRegIds, numPhysicalCCRegs, numPhysicalFloatRegs, numPhysicalIntRegs, numPhysicalMatRegs, numPhysicalVecElemRegs, numPhysicalVecPredRegs, numPhysicalVecRegs, gem5::VecElemClass, vecElemIds, gem5::VecPredRegClass, vecPredRegIds, gem5::VecRegClass, and vecRegIds.

◆ ~PhysRegFile()

gem5::o3::PhysRegFile::~PhysRegFile ( )

inline

Destructor to free resources.

Definition at line 159 of file regfile.hh.

Member Function Documentation

◆ getMiscRegId()

PhysRegIdPtr gem5::o3::PhysRegFile::getMiscRegId ( RegIndex reg_idx )

inline

Gets a misc register PhysRegIdPtr.

Definition at line 168 of file regfile.hh.

References miscRegIds.

Referenced by gem5::o3::UnifiedRenameMap::lookup().

◆ getReg() [1/2]

RegVal gem5::o3::PhysRegFile::getReg ( PhysRegIdPtr phys_reg ) const

inline

Definition at line 173 of file regfile.hh.

References gem5::CCRegClass, ccRegFile, gem5::PhysRegId::classValue(), DPRINTF, gem5::FloatRegClass, floatRegFile, gem5::PhysRegId::index(), gem5::IntRegClass, intRegFile, panic, gem5::RegFile::reg(), gem5::X86ISA::type, gem5::X86ISA::val, gem5::VecElemClass, and vectorElemRegFile.

Referenced by gem5::o3::CPU::getArchReg(), gem5::o3::CPU::getArchReg(), gem5::o3::CPU::getReg(), gem5::o3::CPU::getReg(), and getReg().

◆ getReg() [2/2]

void gem5::o3::PhysRegFile::getReg	(	PhysRegIdPtr	phys_reg,
		void *	val ) const

inline

◆ getWritableReg()

void * gem5::o3::PhysRegFile::getWritableReg ( PhysRegIdPtr phys_reg )

inline

Definition at line 245 of file regfile.hh.

References gem5::PhysRegId::classValue(), gem5::PhysRegId::index(), gem5::MatRegClass, matRegFile, panic, gem5::RegFile::ptr(), gem5::X86ISA::type, gem5::VecPredRegClass, vecPredRegFile, gem5::VecRegClass, and vectorRegFile.

Referenced by gem5::o3::CPU::getWritableArchReg(), and gem5::o3::CPU::getWritableReg().

◆ initFreeList()

void gem5::o3::PhysRegFile::initFreeList ( UnifiedFreeList * freeList )

Initialize the free list.

Definition at line 145 of file regfile.cc.

References gem5::o3::UnifiedFreeList::addRegs(), ccRegIds, floatRegIds, gem5::MipsISA::index, intRegIds, matRegIds, numPhysicalCCRegs, numPhysicalFloatRegs, numPhysicalIntRegs, numPhysicalMatRegs, numPhysicalVecElemRegs, numPhysicalVecPredRegs, numPhysicalVecRegs, vecElemIds, vecPredRegIds, and vecRegIds.

Referenced by gem5::o3::UnifiedFreeList::UnifiedFreeList().

◆ setReg() [1/2]

void gem5::o3::PhysRegFile::setReg	(	PhysRegIdPtr	phys_reg,
		const void *	val )

inline

◆ setReg() [2/2]

void gem5::o3::PhysRegFile::setReg	(	PhysRegIdPtr	phys_reg,
		RegVal	val )

inline

Definition at line 263 of file regfile.hh.

References gem5::CCRegClass, ccRegFile, gem5::PhysRegId::classValue(), DPRINTF, gem5::FloatRegClass, floatRegFile, gem5::PhysRegId::index(), gem5::IntRegClass, intRegFile, gem5::InvalidRegClass, panic, gem5::RegFile::reg(), gem5::X86ISA::type, gem5::X86ISA::val, gem5::VecElemClass, and vectorElemRegFile.

Referenced by gem5::o3::CPU::setArchReg(), gem5::o3::CPU::setArchReg(), gem5::o3::CPU::setReg(), gem5::o3::CPU::setReg(), and setReg().

◆ totalNumPhysRegs()

unsigned gem5::o3::PhysRegFile::totalNumPhysRegs ( ) const

inline

Returns: the total number of physical registers.

Definition at line 165 of file regfile.hh.

References totalNumRegs.

Member Data Documentation

◆ ccRegFile

RegFile gem5::o3::PhysRegFile::ccRegFile

private

Condition-code register file.

Definition at line 99 of file regfile.hh.

Referenced by getReg(), and setReg().

◆ ccRegIds

std::vector<PhysRegId> gem5::o3::PhysRegFile::ccRegIds

private

Definition at line 100 of file regfile.hh.

Referenced by initFreeList(), and PhysRegFile().

◆ floatRegFile

RegFile gem5::o3::PhysRegFile::floatRegFile

private

Floating point register file.

Definition at line 79 of file regfile.hh.

Referenced by getReg(), and setReg().

◆ floatRegIds

std::vector<PhysRegId> gem5::o3::PhysRegFile::floatRegIds

private

Definition at line 80 of file regfile.hh.

Referenced by initFreeList(), and PhysRegFile().

◆ intRegFile

RegFile gem5::o3::PhysRegFile::intRegFile

private

Integer register file.

Definition at line 75 of file regfile.hh.

Referenced by getReg(), and setReg().

◆ intRegIds

std::vector<PhysRegId> gem5::o3::PhysRegFile::intRegIds

private

Definition at line 76 of file regfile.hh.

Referenced by initFreeList(), and PhysRegFile().

◆ matRegFile

RegFile gem5::o3::PhysRegFile::matRegFile

private

Matrix register file.

Definition at line 95 of file regfile.hh.

Referenced by getReg(), getWritableReg(), and setReg().

◆ matRegIds

std::vector<PhysRegId> gem5::o3::PhysRegFile::matRegIds

private

Definition at line 96 of file regfile.hh.

Referenced by initFreeList(), and PhysRegFile().

◆ miscRegIds

std::vector<PhysRegId> gem5::o3::PhysRegFile::miscRegIds

private

Misc Reg Ids.

Definition at line 103 of file regfile.hh.

Referenced by getMiscRegId(), and PhysRegFile().

◆ numPhysicalCCRegs

unsigned gem5::o3::PhysRegFile::numPhysicalCCRegs

private

Number of physical CC registers.

Definition at line 138 of file regfile.hh.

Referenced by initFreeList(), and PhysRegFile().

◆ numPhysicalFloatRegs

unsigned gem5::o3::PhysRegFile::numPhysicalFloatRegs

private

Number of physical floating point registers.

Definition at line 113 of file regfile.hh.

Referenced by initFreeList(), and PhysRegFile().

◆ numPhysicalIntRegs

unsigned gem5::o3::PhysRegFile::numPhysicalIntRegs

private

Number of physical general purpose registers.

Definition at line 108 of file regfile.hh.

Referenced by initFreeList(), and PhysRegFile().

◆ numPhysicalMatRegs

unsigned gem5::o3::PhysRegFile::numPhysicalMatRegs

private

Number of physical matrix registers.

Definition at line 133 of file regfile.hh.

Referenced by initFreeList(), and PhysRegFile().

◆ numPhysicalVecElemRegs

unsigned gem5::o3::PhysRegFile::numPhysicalVecElemRegs

private

Number of physical vector element registers.

Definition at line 123 of file regfile.hh.

Referenced by initFreeList(), and PhysRegFile().

◆ numPhysicalVecPredRegs

unsigned gem5::o3::PhysRegFile::numPhysicalVecPredRegs

private

Number of physical predicate registers.

Definition at line 128 of file regfile.hh.

Referenced by initFreeList(), and PhysRegFile().

◆ numPhysicalVecRegs

unsigned gem5::o3::PhysRegFile::numPhysicalVecRegs

private

Number of physical vector registers.

Definition at line 118 of file regfile.hh.

Referenced by initFreeList(), and PhysRegFile().

◆ totalNumRegs

unsigned gem5::o3::PhysRegFile::totalNumRegs

private

Total number of physical registers.

Definition at line 141 of file regfile.hh.

Referenced by totalNumPhysRegs().

◆ vecElemIds

std::vector<PhysRegId> gem5::o3::PhysRegFile::vecElemIds

private

Definition at line 88 of file regfile.hh.

Referenced by initFreeList(), and PhysRegFile().

◆ vecPredRegFile

RegFile gem5::o3::PhysRegFile::vecPredRegFile

private

Predicate register file.

Definition at line 91 of file regfile.hh.

Referenced by getReg(), getWritableReg(), and setReg().

◆ vecPredRegIds

std::vector<PhysRegId> gem5::o3::PhysRegFile::vecPredRegIds

private

Definition at line 92 of file regfile.hh.

Referenced by initFreeList(), and PhysRegFile().

◆ vecRegIds

std::vector<PhysRegId> gem5::o3::PhysRegFile::vecRegIds

private

Definition at line 84 of file regfile.hh.

Referenced by initFreeList(), and PhysRegFile().

◆ vectorElemRegFile

RegFile gem5::o3::PhysRegFile::vectorElemRegFile

private

Vector element register file.

Definition at line 87 of file regfile.hh.

Referenced by getReg(), and setReg().

◆ vectorRegFile

RegFile gem5::o3::PhysRegFile::vectorRegFile

private

Vector register file.

Definition at line 83 of file regfile.hh.

Referenced by getReg(), getWritableReg(), and setReg().

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

cpu/o3/regfile.hh
cpu/o3/regfile.cc

Public Types

Public Member Functions

Private Types

Private Attributes

Detailed Description

Member Typedef Documentation

◆ IdRange

◆ PhysIds

Constructor & Destructor Documentation

◆ PhysRegFile()

◆ ~PhysRegFile()

Member Function Documentation

◆ getMiscRegId()

◆ getReg() [1/2]

◆ getReg() [2/2]

◆ getWritableReg()

◆ initFreeList()

◆ setReg() [1/2]

◆ setReg() [2/2]

◆ totalNumPhysRegs()

Member Data Documentation

◆ ccRegFile

◆ ccRegIds

◆ floatRegFile

◆ floatRegIds

◆ intRegFile

◆ intRegIds

◆ matRegFile

◆ matRegIds

◆ miscRegIds

◆ numPhysicalCCRegs

◆ numPhysicalFloatRegs

◆ numPhysicalIntRegs

◆ numPhysicalMatRegs

◆ numPhysicalVecElemRegs

◆ numPhysicalVecPredRegs

◆ numPhysicalVecRegs

◆ totalNumRegs

◆ vecElemIds

◆ vecPredRegFile

◆ vecPredRegIds

◆ vecRegIds

◆ vectorElemRegFile

◆ vectorRegFile