#include <decoder.hh>

Inheritance diagram for gem5::X86ISA::Decoder:

Classes
struct	InstBytes

Public Member Functions
	Decoder (ISA *isa=nullptr)

void	setM5Reg (HandyM5Reg m5Reg)

void	takeOverFrom (Decoder *old)

void	reset ()

void	process ()

void	moreBytes (const PCState &pc, Addr fetchPC)

bool	needMoreBytes ()

bool	instReady ()

void	updateNPC (X86ISA::PCState &nextPC)

StaticInstPtr	decode (X86ISA::PCState &nextPC)

StaticInstPtr	fetchRomMicroop (MicroPC micropc, StaticInstPtr curMacroop) override

Public Member Functions inherited from gem5::InstDecoder
template<typename MoreBytesType >
	InstDecoder (MoreBytesType *mb_buf)

void *	moreBytesPtr () const

size_t	moreBytesSize () const

Addr	pcMask () const

Protected Types
enum	State { ResetState, FromCacheState, PrefixState, Vex2Of2State, Vex2Of3State, Vex3Of3State, VexOpcodeState, OneByteOpcodeState, TwoByteOpcodeState, ThreeByte0F38OpcodeState, ThreeByte0F3AOpcodeState, ModRMState, SIBState, DisplacementState, ImmediateState, ErrorState }

using	MachInst = uint64_t

typedef RegVal	CacheKey
	Caching for decoded instruction objects. More...

typedef decode_cache::AddrMap< Decoder::InstBytes >	DecodePages

typedef std::unordered_map< CacheKey, DecodePages * >	AddrCacheMap

typedef std::unordered_map< CacheKey, decode_cache::InstMap< ExtMachInst > * >	InstCacheMap

Protected Member Functions
uint8_t	getNextByte ()

void	getImmediate (int &collected, uint64_t &current, int size)

void	updateOffsetState ()

void	consumeByte ()

void	consumeBytes (int numBytes)

State	doResetState ()

State	doFromCacheState ()

State	doPrefixState (uint8_t)

State	doVex2Of2State (uint8_t)

State	doVex2Of3State (uint8_t)

State	doVex3Of3State (uint8_t)

State	doVexOpcodeState (uint8_t)

State	doOneByteOpcodeState (uint8_t)

State	doTwoByteOpcodeState (uint8_t)

State	doThreeByte0F38OpcodeState (uint8_t)

State	doThreeByte0F3AOpcodeState (uint8_t)

State	doModRMState (uint8_t)

State	doSIBState (uint8_t)

State	doDisplacementState ()

State	doImmediateState ()

State	processOpcode (ByteTable &immTable, ByteTable &modrmTable, bool addrSizedImm=false)

State	processExtendedOpcode (ByteTable &immTable)

StaticInstPtr	decodeInst (ExtMachInst mach_inst)

StaticInstPtr	decode (ExtMachInst mach_inst, Addr addr)
	Decode a machine instruction. More...

Protected Attributes
MachInst	fetchChunk

InstBytes *	instBytes = &dummy

int	chunkIdx

Addr	basePC = 0

Addr	origPC = 0

int	offset = 0

ExtMachInst	emi

X86Mode	mode = LongMode

X86SubMode	submode = SixtyFourBitMode

uint8_t	altOp = 0

uint8_t	defOp = 0

uint8_t	altAddr = 0

uint8_t	defAddr = 0

uint8_t	stack = 0

bool	outOfBytes = true

bool	instDone = false

int	displacementSize

int	immediateSize

int	immediateCollected

State	state = ResetState

DecodePages *	decodePages = nullptr

AddrCacheMap	addrCacheMap

decode_cache::InstMap< ExtMachInst > *	instMap = nullptr

Protected Attributes inherited from gem5::InstDecoder
void *	_moreBytesPtr

size_t	_moreBytesSize

Addr	_pcMask

Static Protected Attributes
static InstBytes	dummy

static InstCacheMap	instCacheMap

Private Attributes
const typedef uint8_t	ByteTable [256]

Static Private Attributes
static const uint8_t	SizeTypeToSize [3][10]

static ByteTable	Prefixes

static ByteTable	UsesModRMOneByte

static ByteTable	UsesModRMTwoByte

static ByteTable	UsesModRMThreeByte0F38

static ByteTable	UsesModRMThreeByte0F3A

static ByteTable	ImmediateTypeOneByte

static ByteTable	ImmediateTypeTwoByte

static ByteTable	ImmediateTypeThreeByte0F38

static ByteTable	ImmediateTypeThreeByte0F3A

static ByteTable	ImmediateTypeVex [10]

static X86ISAInst::MicrocodeRom	microcodeRom

Detailed Description

Definition at line 55 of file decoder.hh.

Member Typedef Documentation

◆ AddrCacheMap

typedef std::unordered_map<CacheKey, DecodePages *> gem5::X86ISA::Decoder::AddrCacheMap

protected

Definition at line 242 of file decoder.hh.

◆ CacheKey

typedef RegVal gem5::X86ISA::Decoder::CacheKey

protected

Caching for decoded instruction objects.

Definition at line 238 of file decoder.hh.

◆ DecodePages

typedef decode_cache::AddrMap<Decoder::InstBytes> gem5::X86ISA::Decoder::DecodePages

protected

Definition at line 240 of file decoder.hh.

◆ InstCacheMap

typedef std::unordered_map< CacheKey, decode_cache::InstMap<ExtMachInst> *> gem5::X86ISA::Decoder::InstCacheMap

protected

Definition at line 247 of file decoder.hh.

◆ MachInst

using gem5::X86ISA::Decoder::MachInst = uint64_t

protected

Definition at line 77 of file decoder.hh.

Member Enumeration Documentation

◆ State

enum gem5::X86ISA::Decoder::State

protected

Enumerator
ResetState
FromCacheState
PrefixState
Vex2Of2State
Vex2Of3State
Vex3Of3State
VexOpcodeState
OneByteOpcodeState
TwoByteOpcodeState
ThreeByte0F38OpcodeState
ThreeByte0F3AOpcodeState
ModRMState
SIBState
DisplacementState
ImmediateState
ErrorState

Definition at line 189 of file decoder.hh.

Constructor & Destructor Documentation

◆ Decoder()

gem5::X86ISA::Decoder::Decoder ( ISA * isa = nullptr )

inline

Definition at line 258 of file decoder.hh.

References emi, mode, gem5::X86ISA::ExtMachInst::mode, gem5::X86ISA::ExtMachInst::reset(), and submode.

Member Function Documentation

◆ consumeByte()

void gem5::X86ISA::Decoder::consumeByte ( )

inlineprotected

Definition at line 162 of file decoder.hh.

References offset, and updateOffsetState().

Referenced by doModRMState(), doOneByteOpcodeState(), doPrefixState(), doSIBState(), doThreeByte0F38OpcodeState(), doThreeByte0F3AOpcodeState(), doTwoByteOpcodeState(), doVex2Of2State(), doVex2Of3State(), doVex3Of3State(), and doVexOpcodeState().

◆ consumeBytes()

void gem5::X86ISA::Decoder::consumeBytes ( int numBytes )

inlineprotected

Definition at line 169 of file decoder.hh.

References offset, and updateOffsetState().

Referenced by getImmediate().

◆ decode() [1/2]

StaticInstPtr gem5::X86ISA::Decoder::decode	(	ExtMachInst	mach_inst,
		Addr	addr
	)

protected

Decode a machine instruction.

Parameters

mach_inst The binary instruction to decode.

Return values

A	pointer to the corresponding StaticInst object.

Definition at line 679 of file decoder.cc.

References decodeInst(), DPRINTF, instMap, and gem5::X86ISA::si.

Referenced by decode().

◆ decode() [2/2]

StaticInstPtr gem5::X86ISA::Decoder::decode ( X86ISA::PCState & nextPC )

Definition at line 697 of file decoder.cc.

References basePC, gem5::X86ISA::Decoder::InstBytes::chunks, decode(), emi, instBytes, instDone, gem5::X86ISA::Decoder::InstBytes::lastOffset, gem5::X86ISA::mask, gem5::X86ISA::Decoder::InstBytes::masks, offset, origPC, gem5::X86ISA::Decoder::InstBytes::si, gem5::X86ISA::si, and updateNPC().

◆ decodeInst()

StaticInstPtr gem5::X86ISA::Decoder::decodeInst ( ExtMachInst mach_inst )

protected

Referenced by decode().

◆ doDisplacementState()

Decoder::State gem5::X86ISA::Decoder::doDisplacementState ( )

protected

Definition at line 589 of file decoder.cc.

References gem5::X86ISA::ExtMachInst::displacement, displacementSize, DisplacementState, gem5::X86ISA::ExtMachInst::dispSize, DPRINTF, emi, ErrorState, getImmediate(), immediateCollected, immediateSize, ImmediateState, instDone, panic, and ResetState.

Referenced by process().

◆ doFromCacheState()

Decoder::State gem5::X86ISA::Decoder::doFromCacheState ( )

protected

Definition at line 148 of file decoder.cc.

References basePC, chunkIdx, gem5::X86ISA::Decoder::InstBytes::chunks, DPRINTF, fetchChunk, FromCacheState, instBytes, instDone, gem5::X86ISA::Decoder::InstBytes::lastOffset, gem5::X86ISA::Decoder::InstBytes::masks, offset, origPC, outOfBytes, PrefixState, ResetState, and gem5::X86ISA::Decoder::InstBytes::si.

Referenced by process().

◆ doImmediateState()

Decoder::State gem5::X86ISA::Decoder::doImmediateState ( )

protected

Definition at line 636 of file decoder.cc.

References DPRINTF, emi, ErrorState, getImmediate(), gem5::X86ISA::ExtMachInst::immediate, immediateCollected, immediateSize, ImmediateState, instDone, and ResetState.

Referenced by process().

◆ doModRMState()

Decoder::State gem5::X86ISA::Decoder::doModRMState ( uint8_t nextByte )

protected

Definition at line 513 of file decoder.cc.

References consumeByte(), defOp, displacementSize, DisplacementState, DPRINTF, emi, ErrorState, immediateSize, ImmediateState, instDone, gem5::X86ISA::ExtMachInst::modRM, gem5::X86ISA::ExtMachInst::op, gem5::X86ISA::ExtMachInst::opcode, gem5::X86ISA::ExtMachInst::opSize, ResetState, SIBState, and gem5::X86ISA::ExtMachInst::type.

Referenced by process().

◆ doOneByteOpcodeState()

Decoder::State gem5::X86ISA::Decoder::doOneByteOpcodeState ( uint8_t nextByte )

protected

Definition at line 380 of file decoder.cc.

References consumeByte(), DPRINTF, emi, ErrorState, ImmediateTypeOneByte, gem5::X86ISA::ExtMachInst::op, gem5::X86ISA::ExtMachInst::opcode, processOpcode(), TwoByteOpcodeState, gem5::X86ISA::ExtMachInst::type, and UsesModRMOneByte.

Referenced by process().

◆ doPrefixState()

Decoder::State gem5::X86ISA::Decoder::doPrefixState ( uint8_t nextByte )

protected

◆ doResetState()

Decoder::State gem5::X86ISA::Decoder::doResetState ( )

protected

◆ doSIBState()

Decoder::State gem5::X86ISA::Decoder::doSIBState ( uint8_t nextByte )

protected

Definition at line 568 of file decoder.cc.

References consumeByte(), displacementSize, DisplacementState, DPRINTF, emi, ErrorState, immediateSize, ImmediateState, instDone, gem5::X86ISA::ExtMachInst::modRM, ResetState, and gem5::X86ISA::ExtMachInst::sib.

Referenced by process().

◆ doThreeByte0F38OpcodeState()

Decoder::State gem5::X86ISA::Decoder::doThreeByte0F38OpcodeState ( uint8_t nextByte )

protected

Definition at line 425 of file decoder.cc.

References consumeByte(), DPRINTF, emi, ImmediateTypeThreeByte0F38, gem5::X86ISA::ExtMachInst::op, gem5::X86ISA::ExtMachInst::opcode, processOpcode(), gem5::X86ISA::ExtMachInst::type, and UsesModRMThreeByte0F38.

Referenced by process().

◆ doThreeByte0F3AOpcodeState()

Decoder::State gem5::X86ISA::Decoder::doThreeByte0F3AOpcodeState ( uint8_t nextByte )

protected

Definition at line 439 of file decoder.cc.

References consumeByte(), DPRINTF, emi, ImmediateTypeThreeByte0F3A, gem5::X86ISA::ExtMachInst::op, gem5::X86ISA::ExtMachInst::opcode, processOpcode(), gem5::X86ISA::ExtMachInst::type, and UsesModRMThreeByte0F3A.

Referenced by process().

◆ doTwoByteOpcodeState()

Decoder::State gem5::X86ISA::Decoder::doTwoByteOpcodeState ( uint8_t nextByte )

protected

Definition at line 402 of file decoder.cc.

References consumeByte(), DPRINTF, emi, ErrorState, ImmediateTypeTwoByte, gem5::X86ISA::ExtMachInst::op, gem5::X86ISA::ExtMachInst::opcode, processOpcode(), ThreeByte0F38OpcodeState, ThreeByte0F3AOpcodeState, gem5::X86ISA::ExtMachInst::type, and UsesModRMTwoByte.

Referenced by process().

◆ doVex2Of2State()

Decoder::State gem5::X86ISA::Decoder::doVex2Of2State ( uint8_t nextByte )

protected

Definition at line 248 of file decoder.cc.

References consumeByte(), emi, gem5::X86ISA::ExtMachInst::legacy, gem5::X86ISA::ExtMachInst::opcode, gem5::X86ISA::ExtMachInst::rex, gem5::X86ISA::ExtMachInst::type, gem5::X86ISA::ExtMachInst::vex, and VexOpcodeState.

Referenced by process().

◆ doVex2Of3State()

Decoder::State gem5::X86ISA::Decoder::doVex2Of3State ( uint8_t nextByte )

protected

Definition at line 278 of file decoder.cc.

References gem5::bits(), consumeByte(), emi, ImmediateTypeOneByte, instDone, gem5::X86ISA::ExtMachInst::mode, gem5::X86ISA::ExtMachInst::op, gem5::X86ISA::ExtMachInst::opcode, processOpcode(), ResetState, gem5::X86ISA::ExtMachInst::rex, gem5::X86ISA::SixtyFourBitMode, gem5::X86ISA::ExtMachInst::type, UsesModRMOneByte, gem5::X86ISA::ExtMachInst::vex, and Vex3Of3State.

Referenced by process().

◆ doVex3Of3State()

Decoder::State gem5::X86ISA::Decoder::doVex3Of3State ( uint8_t nextByte )

protected

Definition at line 319 of file decoder.cc.

References gem5::bits(), consumeByte(), emi, ImmediateTypeOneByte, gem5::X86ISA::ExtMachInst::legacy, gem5::X86ISA::ExtMachInst::mode, gem5::X86ISA::ExtMachInst::op, gem5::X86ISA::ExtMachInst::opcode, processOpcode(), gem5::X86ISA::ExtMachInst::rex, gem5::X86ISA::SixtyFourBitMode, gem5::X86ISA::ExtMachInst::type, UsesModRMOneByte, gem5::X86ISA::ExtMachInst::vex, and VexOpcodeState.

Referenced by process().

◆ doVexOpcodeState()

Decoder::State gem5::X86ISA::Decoder::doVexOpcodeState ( uint8_t nextByte )

protected

Definition at line 356 of file decoder.cc.

References consumeByte(), DPRINTF, emi, ImmediateTypeThreeByte0F38, ImmediateTypeThreeByte0F3A, ImmediateTypeTwoByte, gem5::X86ISA::ExtMachInst::op, gem5::X86ISA::ExtMachInst::opcode, panic, processOpcode(), gem5::X86ISA::ExtMachInst::type, UsesModRMThreeByte0F38, UsesModRMThreeByte0F3A, and UsesModRMTwoByte.

Referenced by process().

◆ fetchRomMicroop()

StaticInstPtr gem5::X86ISA::Decoder::fetchRomMicroop	(	MicroPC	micropc,
		StaticInstPtr	curMacroop
	)

overridevirtual

Reimplemented from gem5::InstDecoder.

Definition at line 741 of file decoder.cc.

References gem5::X86ISAInst::MicrocodeRom::fetchMicroop(), and microcodeRom.

◆ getImmediate()

void gem5::X86ISA::Decoder::getImmediate	(	int &	collected,
		uint64_t &	current,
		int	size
	)

inlineprotected

Definition at line 120 of file decoder.hh.

References consumeBytes(), fetchChunk, immediateCollected, gem5::X86ISA::mask, and offset.

Referenced by doDisplacementState(), and doImmediateState().

◆ getNextByte()

uint8_t gem5::X86ISA::Decoder::getNextByte ( )

inlineprotected

Definition at line 114 of file decoder.hh.

References fetchChunk, and offset.

Referenced by process().

◆ instReady()

bool gem5::X86ISA::Decoder::instReady ( )

inline

Definition at line 327 of file decoder.hh.

References instDone.

◆ moreBytes()

void gem5::X86ISA::Decoder::moreBytes	(	const PCState &	pc,
		Addr	fetchPC
	)

inline

Definition at line 316 of file decoder.hh.

References basePC, DPRINTF, fetchChunk, gem5::letoh(), offset, outOfBytes, gem5::X86ISA::pc, and process().

◆ needMoreBytes()

bool gem5::X86ISA::Decoder::needMoreBytes ( )

inline

Definition at line 326 of file decoder.hh.

References outOfBytes.

◆ process()

void gem5::X86ISA::Decoder::process ( )

◆ processExtendedOpcode()

State gem5::X86ISA::Decoder::processExtendedOpcode ( ByteTable & immTable )

protected

◆ processOpcode()

Decoder::State gem5::X86ISA::Decoder::processOpcode	(	ByteTable &	immTable,
		ByteTable &	modrmTable,
		bool	addrSizedImm = `false`
	)

protected

◆ reset()

void gem5::X86ISA::Decoder::reset ( )

inline

Definition at line 309 of file decoder.hh.

References ResetState, and state.

◆ setM5Reg()

void gem5::X86ISA::Decoder::setM5Reg ( HandyM5Reg m5Reg )

inline

Definition at line 266 of file decoder.hh.

References addrCacheMap, altAddr, altOp, decodePages, defAddr, defOp, emi, instCacheMap, instMap, mode, gem5::X86ISA::ExtMachInst::mode, stack, and submode.

◆ takeOverFrom()

void gem5::X86ISA::Decoder::takeOverFrom ( Decoder * old )

inline

Definition at line 296 of file decoder.hh.

References altAddr, altOp, defAddr, defOp, emi, mode, gem5::X86ISA::ExtMachInst::mode, stack, and submode.

◆ updateNPC()

void gem5::X86ISA::Decoder::updateNPC ( X86ISA::PCState & nextPC )

inline

Definition at line 330 of file decoder.hh.

References basePC, DPRINTF, gem5::GenericISA::SimplePCState< InstWidth >::npc(), offset, origPC, gem5::GenericISA::SimplePCState< InstWidth >::pc(), and gem5::X86ISA::PCState::size().

Referenced by decode().

◆ updateOffsetState()

void gem5::X86ISA::Decoder::updateOffsetState ( )

inlineprotected

Definition at line 144 of file decoder.hh.

References basePC, chunkIdx, gem5::X86ISA::Decoder::InstBytes::chunks, DPRINTF, fetchChunk, instBytes, offset, and outOfBytes.

Referenced by consumeByte(), and consumeBytes().

Member Data Documentation

◆ addrCacheMap

AddrCacheMap gem5::X86ISA::Decoder::addrCacheMap

protected

Definition at line 243 of file decoder.hh.

Referenced by setM5Reg().

◆ altAddr

uint8_t gem5::X86ISA::Decoder::altAddr = 0

protected

Definition at line 109 of file decoder.hh.

Referenced by processOpcode(), setM5Reg(), and takeOverFrom().

◆ altOp

uint8_t gem5::X86ISA::Decoder::altOp = 0

protected

Definition at line 107 of file decoder.hh.

Referenced by processOpcode(), setM5Reg(), and takeOverFrom().

◆ basePC

Addr gem5::X86ISA::Decoder::basePC = 0

protected

Definition at line 97 of file decoder.hh.

Referenced by decode(), doFromCacheState(), doResetState(), moreBytes(), updateNPC(), and updateOffsetState().

◆ ByteTable

const typedef uint8_t gem5::X86ISA::Decoder::ByteTable[256]

private

Definition at line 60 of file decoder.hh.

◆ chunkIdx

int gem5::X86ISA::Decoder::chunkIdx

protected

Definition at line 95 of file decoder.hh.

Referenced by doFromCacheState(), doResetState(), and updateOffsetState().

◆ decodePages

DecodePages* gem5::X86ISA::Decoder::decodePages = nullptr

protected

Definition at line 241 of file decoder.hh.

Referenced by doResetState(), and setM5Reg().

◆ defAddr

uint8_t gem5::X86ISA::Decoder::defAddr = 0

protected

Definition at line 110 of file decoder.hh.

Referenced by processOpcode(), setM5Reg(), and takeOverFrom().

◆ defOp

uint8_t gem5::X86ISA::Decoder::defOp = 0

protected

Definition at line 108 of file decoder.hh.

Referenced by doModRMState(), processOpcode(), setM5Reg(), and takeOverFrom().

◆ displacementSize

int gem5::X86ISA::Decoder::displacementSize

protected

Definition at line 182 of file decoder.hh.

Referenced by doDisplacementState(), doModRMState(), and doSIBState().

◆ dummy

Decoder::InstBytes gem5::X86ISA::Decoder::dummy

staticprotected

Definition at line 90 of file decoder.hh.

◆ emi

ExtMachInst gem5::X86ISA::Decoder::emi

protected

Definition at line 103 of file decoder.hh.

Referenced by decode(), Decoder(), doDisplacementState(), doImmediateState(), doModRMState(), doOneByteOpcodeState(), doPrefixState(), doResetState(), doSIBState(), doThreeByte0F38OpcodeState(), doThreeByte0F3AOpcodeState(), doTwoByteOpcodeState(), doVex2Of2State(), doVex2Of3State(), doVex3Of3State(), doVexOpcodeState(), processOpcode(), setM5Reg(), and takeOverFrom().

◆ fetchChunk

MachInst gem5::X86ISA::Decoder::fetchChunk

protected

Definition at line 93 of file decoder.hh.

Referenced by doFromCacheState(), getImmediate(), getNextByte(), moreBytes(), process(), and updateOffsetState().

◆ immediateCollected

int gem5::X86ISA::Decoder::immediateCollected

protected

Definition at line 187 of file decoder.hh.

Referenced by doDisplacementState(), doImmediateState(), doResetState(), and getImmediate().

◆ immediateSize

int gem5::X86ISA::Decoder::immediateSize

protected

Definition at line 184 of file decoder.hh.

Referenced by doDisplacementState(), doImmediateState(), doModRMState(), doSIBState(), and processOpcode().

◆ ImmediateTypeOneByte

const Decoder::ByteTable gem5::X86ISA::Decoder::ImmediateTypeOneByte

staticprivate

Initial value:

=
    {    
 
 0 , 0 , 0 , 0 , BY, ZW, 0 , 0 , 0 , 0 , 0 , 0 , BY, ZW, 0 , 0 ,
 0 , 0 , 0 , 0 , BY, ZW, 0 , 0 , 0 , 0 , 0 , 0 , BY, ZW, 0 , 0 ,
 0 , 0 , 0 , 0 , BY, ZW, 0 , 0 , 0 , 0 , 0 , 0 , BY, ZW, 0 , 0 ,
 0 , 0 , 0 , 0 , BY, ZW, 0 , 0 , 0 , 0 , 0 , 0 , BY, ZW, 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ZW, ZW, BY, BY, 0 , 0 , 0 , 0 ,
 BY, BY, BY, BY, BY, BY, BY, BY, BY, BY, BY, BY, BY, BY, BY, BY,
 BY, ZW, BY, BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 VW, VW, VW, VW, 0 , 0 , 0 , 0 , BY, ZW, 0 , 0 , 0 , 0 , 0 , 0 ,
 BY, BY, BY, BY, BY, BY, BY, BY, VW, VW, VW, VW, VW, VW, VW, VW,
 BY, BY, WO, 0 , 0 , 0 , BY, ZW, EN, 0 , WO, 0 , 0 , BY, 0 , 0 ,
 0 , 0 , 0 , 0 , BY, BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 BY, BY, BY, BY, BY, BY, BY, BY, ZW, ZW, PO, BY, 0 , 0 , 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0
    }

Definition at line 68 of file decoder.hh.

Referenced by doOneByteOpcodeState(), doVex2Of3State(), and doVex3Of3State().

◆ ImmediateTypeThreeByte0F38

const Decoder::ByteTable gem5::X86ISA::Decoder::ImmediateTypeThreeByte0F38

staticprivate

Initial value:

=
    {    
 
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0
    }

Definition at line 70 of file decoder.hh.

Referenced by doThreeByte0F38OpcodeState(), and doVexOpcodeState().

◆ ImmediateTypeThreeByte0F3A

const Decoder::ByteTable gem5::X86ISA::Decoder::ImmediateTypeThreeByte0F3A

staticprivate

Initial value:

=
    {    
 
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , BY, BY, BY, BY, BY, BY, BY, BY,
 0 , 0 , 0 , 0 , BY, BY, BY, BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 BY, BY, BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 BY, BY, BY, 0 , BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 BY, BY, BY, BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , BY,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0
    }

Definition at line 71 of file decoder.hh.

Referenced by doThreeByte0F3AOpcodeState(), and doVexOpcodeState().

◆ ImmediateTypeTwoByte

const Decoder::ByteTable gem5::X86ISA::Decoder::ImmediateTypeTwoByte

staticprivate

Initial value:

=
    {    
 
, 0 , 0 , 0 , WO, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , BY,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 BY, BY, BY, BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
 ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW, ZW,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , BY, 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , BY, 0 , 0 , 0 , 0 , 0 ,
, 0 , BY, 0 , BY, BY, BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0
    }

Definition at line 69 of file decoder.hh.

Referenced by doTwoByteOpcodeState(), and doVexOpcodeState().

◆ ImmediateTypeVex

ByteTable gem5::X86ISA::Decoder::ImmediateTypeVex[10]

staticprivate

Definition at line 72 of file decoder.hh.

◆ instBytes

InstBytes* gem5::X86ISA::Decoder::instBytes = &dummy

protected

Definition at line 94 of file decoder.hh.

Referenced by decode(), doFromCacheState(), doResetState(), process(), and updateOffsetState().

◆ instCacheMap

Decoder::InstCacheMap gem5::X86ISA::Decoder::instCacheMap

staticprotected

Definition at line 248 of file decoder.hh.

Referenced by setM5Reg().

◆ instDone

bool gem5::X86ISA::Decoder::instDone = false

protected

Definition at line 180 of file decoder.hh.

Referenced by decode(), doDisplacementState(), doFromCacheState(), doImmediateState(), doModRMState(), doSIBState(), doVex2Of3State(), instReady(), process(), and processOpcode().

◆ instMap

decode_cache::InstMap<ExtMachInst>* gem5::X86ISA::Decoder::instMap = nullptr

protected

Definition at line 245 of file decoder.hh.

Referenced by decode(), and setM5Reg().

◆ microcodeRom

X86ISAInst::MicrocodeRom gem5::X86ISA::Decoder::microcodeRom

staticprivate

Definition at line 74 of file decoder.hh.

Referenced by fetchRomMicroop().

◆ mode

X86Mode gem5::X86ISA::Decoder::mode = LongMode

protected

Definition at line 105 of file decoder.hh.

Referenced by Decoder(), setM5Reg(), and takeOverFrom().

◆ offset

int gem5::X86ISA::Decoder::offset = 0

protected

Definition at line 101 of file decoder.hh.

Referenced by consumeByte(), consumeBytes(), decode(), doFromCacheState(), doResetState(), getImmediate(), getNextByte(), moreBytes(), updateNPC(), and updateOffsetState().

◆ origPC

Addr gem5::X86ISA::Decoder::origPC = 0

protected

Definition at line 99 of file decoder.hh.

Referenced by decode(), doFromCacheState(), doResetState(), and updateNPC().

◆ outOfBytes

bool gem5::X86ISA::Decoder::outOfBytes = true

protected

Definition at line 178 of file decoder.hh.

Referenced by doFromCacheState(), moreBytes(), needMoreBytes(), process(), and updateOffsetState().

◆ Prefixes

const Decoder::ByteTable gem5::X86ISA::Decoder::Prefixes

staticprivate

Initial value:

=
    {    
 
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , ES, 0 , 0 , 0 , 0 , 0 , 0 , 0 , CS, 0,
, 0 , 0 , 0 , 0 , 0 , SS, 0 , 0 , 0 , 0 , 0 , 0 , 0 , DS, 0,
 RX, RX, RX, RX, RX, RX, RX, RX, RX, RX, RX, RX, RX, RX, RX, RX,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , FS, GS, OO, AO, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , V3, V2, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
 LO, 0 , RN, RE, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0
    }

Definition at line 61 of file decoder.hh.

◆ SizeTypeToSize

const uint8_t gem5::X86ISA::Decoder::SizeTypeToSize

staticprivate

Initial value:

=
    {
 
        {0,    1,   2,   4,    8,    16,   2,    2,    3,    4      }, 
        {0,    1,   2,   4,    8,    16,   4,    4,    3,    6      }, 
        {0,    1,   2,   4,    8,    16,   8,    4,    3,    0      }  
    }

Definition at line 59 of file decoder.hh.

Referenced by processOpcode().

◆ stack

uint8_t gem5::X86ISA::Decoder::stack = 0

protected

Definition at line 111 of file decoder.hh.

Referenced by processOpcode(), setM5Reg(), and takeOverFrom().

◆ state

State gem5::X86ISA::Decoder::state = ResetState

protected

Definition at line 210 of file decoder.hh.

Referenced by process(), and reset().

◆ submode

X86SubMode gem5::X86ISA::Decoder::submode = SixtyFourBitMode

protected

Definition at line 106 of file decoder.hh.

Referenced by Decoder(), setM5Reg(), and takeOverFrom().

◆ UsesModRMOneByte

const Decoder::ByteTable gem5::X86ISA::Decoder::UsesModRMOneByte

staticprivate

Initial value:

=
    {    
 
, 1 , 1 , 1 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0,
, 1 , 1 , 1 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0,
, 1 , 1 , 1 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0,
, 1 , 1 , 1 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 1 , 0 , 1 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 1 , 0 , 0 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 1 , 1 , 1 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 1 , 1
    }

Definition at line 63 of file decoder.hh.

Referenced by doOneByteOpcodeState(), doVex2Of3State(), and doVex3Of3State().

◆ UsesModRMThreeByte0F38

const Decoder::ByteTable gem5::X86ISA::Decoder::UsesModRMThreeByte0F38

staticprivate

Initial value:

=
    {    
 
, 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 1 , 1 , 0 , 1 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 0,
, 1 , 1 , 1 , 1 , 1 , 0 , 0 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0,
, 1 , 1 , 1 , 1 , 1 , 0 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
, 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 1,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0
    }

Definition at line 65 of file decoder.hh.

Referenced by doThreeByte0F38OpcodeState(), and doVexOpcodeState().

◆ UsesModRMThreeByte0F3A

const Decoder::ByteTable gem5::X86ISA::Decoder::UsesModRMThreeByte0F3A

staticprivate

Initial value:

=
    {    
 
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
, 0 , 0 , 0 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 1 , 1 , 0 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 1,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0
    }

Definition at line 66 of file decoder.hh.

Referenced by doThreeByte0F3AOpcodeState(), and doVexOpcodeState().

◆ UsesModRMTwoByte

const Decoder::ByteTable gem5::X86ISA::Decoder::UsesModRMTwoByte

staticprivate

Initial value:

=
    {    
 
, 1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 1 , 0 , 1,
, 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
, 1 , 1 , 1 , 1 , 0 , 1 , 0 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
, 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
, 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
, 1 , 1 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1,
, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
, 0 , 0 , 1 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 1,
, 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 0 , 1 , 1 , 1 , 1 , 1 , 1,
, 1 , 1 , 1 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
, 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
, 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
, 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 0
    }

Definition at line 64 of file decoder.hh.

Referenced by doTwoByteOpcodeState(), and doVexOpcodeState().

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

arch/x86/decoder.hh
arch/x86/decoder.cc
arch/x86/decoder_tables.cc

Classes

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Static Protected Attributes

Private Attributes

Static Private Attributes

Detailed Description

Member Typedef Documentation

◆ AddrCacheMap

◆ CacheKey

◆ DecodePages

◆ InstCacheMap

◆ MachInst

Member Enumeration Documentation

◆ State

Constructor & Destructor Documentation

◆ Decoder()

Member Function Documentation

◆ consumeByte()

◆ consumeBytes()

◆ decode() [1/2]

◆ decode() [2/2]

◆ decodeInst()

◆ doDisplacementState()

◆ doFromCacheState()

◆ doImmediateState()

◆ doModRMState()

◆ doOneByteOpcodeState()

◆ doPrefixState()

◆ doResetState()

◆ doSIBState()

◆ doThreeByte0F38OpcodeState()

◆ doThreeByte0F3AOpcodeState()

◆ doTwoByteOpcodeState()

◆ doVex2Of2State()

◆ doVex2Of3State()

◆ doVex3Of3State()

◆ doVexOpcodeState()

◆ fetchRomMicroop()

◆ getImmediate()

◆ getNextByte()

◆ instReady()

◆ moreBytes()

◆ needMoreBytes()

◆ process()

◆ processExtendedOpcode()

◆ processOpcode()

◆ reset()

◆ setM5Reg()

◆ takeOverFrom()

◆ updateNPC()

◆ updateOffsetState()

Member Data Documentation

◆ addrCacheMap

◆ altAddr

◆ altOp

◆ basePC

◆ ByteTable

◆ chunkIdx

◆ decodePages

◆ defAddr

◆ defOp

◆ displacementSize

◆ dummy

◆ emi

◆ fetchChunk

◆ immediateCollected

◆ immediateSize

◆ ImmediateTypeOneByte

◆ ImmediateTypeThreeByte0F38

◆ ImmediateTypeThreeByte0F3A

◆ ImmediateTypeTwoByte

◆ ImmediateTypeVex

◆ instBytes

◆ instCacheMap

◆ instDone

◆ instMap

◆ microcodeRom