gem5  v20.1.0.0
Classes | Public Member Functions | Protected Types | Protected Member Functions | Protected Attributes | Static Protected Attributes | Private Attributes | Static Private Attributes | List of all members
X86ISA::Decoder Class Reference

#include <decoder.hh>

Inheritance diagram for X86ISA::Decoder:
InstDecoder

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, MachInst data)
 
bool needMoreBytes ()
 
bool instReady ()
 
void updateNPC (X86ISA::PCState &nextPC)
 
StaticInstPtr decodeInst (ExtMachInst mach_inst)
 
StaticInstPtr decode (ExtMachInst mach_inst, Addr addr)
 Decode a machine instruction. More...
 
StaticInstPtr decode (X86ISA::PCState &nextPC)
 
StaticInstPtr fetchRomMicroop (MicroPC micropc, StaticInstPtr curMacroop) override
 

Protected Types

enum  State {
  ResetState, FromCacheState, PrefixState, Vex2Of2State,
  Vex2Of3State, Vex3Of3State, VexOpcodeState, OneByteOpcodeState,
  TwoByteOpcodeState, ThreeByte0F38OpcodeState, ThreeByte0F3AOpcodeState, ModRMState,
  SIBState, DisplacementState, ImmediateState, ErrorState
}
 
typedef RegVal CacheKey
 Caching for decoded instruction objects. More...
 
typedef DecodeCache::AddrMap< Decoder::InstBytes > DecodePages
 
typedef std::unordered_map< CacheKey, DecodePages * > AddrCacheMap
 
typedef std::unordered_map< CacheKey, DecodeCache::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)
 

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
 
DecodeCache::InstMap< ExtMachInst > * instMap = nullptr
 

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 52 of file decoder.hh.

Member Typedef Documentation

◆ AddrCacheMap

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

Definition at line 236 of file decoder.hh.

◆ CacheKey

typedef RegVal X86ISA::Decoder::CacheKey
protected

Caching for decoded instruction objects.

Definition at line 232 of file decoder.hh.

◆ DecodePages

typedef DecodeCache::AddrMap<Decoder::InstBytes> X86ISA::Decoder::DecodePages
protected

Definition at line 234 of file decoder.hh.

◆ InstCacheMap

typedef std::unordered_map< CacheKey, DecodeCache::InstMap<ExtMachInst> *> X86ISA::Decoder::InstCacheMap
protected

Definition at line 241 of file decoder.hh.

Member Enumeration Documentation

◆ State

enum X86ISA::Decoder::State
protected
Enumerator
ResetState 
FromCacheState 
PrefixState 
Vex2Of2State 
Vex2Of3State 
Vex3Of3State 
VexOpcodeState 
OneByteOpcodeState 
TwoByteOpcodeState 
ThreeByte0F38OpcodeState 
ThreeByte0F3AOpcodeState 
ModRMState 
SIBState 
DisplacementState 
ImmediateState 
ErrorState 

Definition at line 184 of file decoder.hh.

Constructor & Destructor Documentation

◆ Decoder()

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

Definition at line 245 of file decoder.hh.

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

Member Function Documentation

◆ consumeByte()

void X86ISA::Decoder::consumeByte ( )
inlineprotected

Definition at line 157 of file decoder.hh.

References offset, and updateOffsetState().

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

◆ consumeBytes()

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

Definition at line 164 of file decoder.hh.

References offset, and updateOffsetState().

Referenced by getImmediate().

◆ decode() [1/2]

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

Decode a machine instruction.

Parameters
mach_instThe binary instruction to decode.
Return values
Apointer to the corresponding StaticInst object.

Definition at line 675 of file decoder.cc.

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

Referenced by decode().

◆ decode() [2/2]

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

Definition at line 687 of file decoder.cc.

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

◆ decodeInst()

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

Referenced by decode().

◆ doDisplacementState()

Decoder::State X86ISA::Decoder::doDisplacementState ( )
protected

Definition at line 585 of file decoder.cc.

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

Referenced by process().

◆ doFromCacheState()

Decoder::State X86ISA::Decoder::doFromCacheState ( )
protected

Definition at line 144 of file decoder.cc.

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

Referenced by process().

◆ doImmediateState()

Decoder::State X86ISA::Decoder::doImmediateState ( )
protected

Definition at line 632 of file decoder.cc.

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

Referenced by process().

◆ doModRMState()

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

Definition at line 509 of file decoder.cc.

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

Referenced by process().

◆ doOneByteOpcodeState()

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

Definition at line 376 of file decoder.cc.

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

Referenced by process().

◆ doPrefixState()

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

Definition at line 178 of file decoder.cc.

References X86ISA::AddressSizeOverride, consumeByte(), X86ISA::CSOverride, DPRINTF, X86ISA::DSOverride, emi, X86ISA::ESOverride, X86ISA::FSOverride, X86ISA::GSOverride, X86ISA::ExtMachInst::legacy, X86ISA::Lock, X86ISA::ExtMachInst::mode, OneByteOpcodeState, X86ISA::OperandSizeOverride, panic, PrefixState, X86ISA::Rep, X86ISA::Repne, X86ISA::ExtMachInst::rex, X86ISA::RexPrefix, X86ISA::SixtyFourBitMode, X86ISA::SSOverride, X86ISA::ExtMachInst::vex, Vex2Of2State, Vex2Of3State, X86ISA::Vex2Prefix, and X86ISA::Vex3Prefix.

Referenced by process().

◆ doResetState()

Decoder::State X86ISA::Decoder::doResetState ( )
protected

Definition at line 43 of file decoder.cc.

References basePC, chunkIdx, X86ISA::Decoder::InstBytes::chunks, decodePages, X86ISA::ExtMachInst::displacement, X86ISA::ExtMachInst::dispSize, DPRINTF, emi, FromCacheState, X86ISA::ExtMachInst::immediate, immediateCollected, instBytes, X86ISA::ExtMachInst::legacy, DecodeCache::AddrMap< Value, CacheChunkShift >::lookup(), X86ISA::ExtMachInst::modRM, offset, X86ISA::ExtMachInst::op, X86ISA::ExtMachInst::opcode, origPC, PrefixState, X86ISA::ExtMachInst::rex, X86ISA::Decoder::InstBytes::si, X86ISA::ExtMachInst::sib, X86ISA::ExtMachInst::type, and X86ISA::ExtMachInst::vex.

Referenced by process().

◆ doSIBState()

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

Definition at line 564 of file decoder.cc.

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

Referenced by process().

◆ doThreeByte0F38OpcodeState()

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

Definition at line 421 of file decoder.cc.

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

Referenced by process().

◆ doThreeByte0F3AOpcodeState()

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

Definition at line 435 of file decoder.cc.

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

Referenced by process().

◆ doTwoByteOpcodeState()

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

Definition at line 398 of file decoder.cc.

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

Referenced by process().

◆ doVex2Of2State()

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

Definition at line 244 of file decoder.cc.

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

Referenced by process().

◆ doVex2Of3State()

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

Definition at line 274 of file decoder.cc.

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

Referenced by process().

◆ doVex3Of3State()

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

Definition at line 315 of file decoder.cc.

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

Referenced by process().

◆ doVexOpcodeState()

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

Definition at line 352 of file decoder.cc.

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

Referenced by process().

◆ fetchRomMicroop()

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

Reimplemented from InstDecoder.

Definition at line 731 of file decoder.cc.

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

◆ getImmediate()

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

Definition at line 115 of file decoder.hh.

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

Referenced by doDisplacementState(), and doImmediateState().

◆ getNextByte()

uint8_t X86ISA::Decoder::getNextByte ( )
inlineprotected

Definition at line 109 of file decoder.hh.

References fetchChunk, and offset.

Referenced by process().

◆ instReady()

bool X86ISA::Decoder::instReady ( )
inline

Definition at line 314 of file decoder.hh.

References instDone.

◆ moreBytes()

void X86ISA::Decoder::moreBytes ( const PCState &  pc,
Addr  fetchPC,
MachInst  data 
)
inline

Definition at line 303 of file decoder.hh.

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

◆ needMoreBytes()

bool X86ISA::Decoder::needMoreBytes ( )
inline

Definition at line 313 of file decoder.hh.

References outOfBytes.

◆ process()

void X86ISA::Decoder::process ( )

Definition at line 74 of file decoder.cc.

References X86ISA::Decoder::InstBytes::chunks, DisplacementState, doDisplacementState(), doFromCacheState(), doImmediateState(), doModRMState(), doOneByteOpcodeState(), doPrefixState(), doResetState(), doSIBState(), doThreeByte0F38OpcodeState(), doThreeByte0F3AOpcodeState(), doTwoByteOpcodeState(), doVex2Of2State(), doVex2Of3State(), doVex3Of3State(), doVexOpcodeState(), ErrorState, fetchChunk, FromCacheState, getNextByte(), ImmediateState, instBytes, instDone, ModRMState, OneByteOpcodeState, outOfBytes, panic, PrefixState, ResetState, SIBState, state, ThreeByte0F38OpcodeState, ThreeByte0F3AOpcodeState, TwoByteOpcodeState, Vex2Of2State, Vex2Of3State, Vex3Of3State, and VexOpcodeState.

Referenced by moreBytes().

◆ processExtendedOpcode()

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

◆ processOpcode()

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

Definition at line 449 of file decoder.cc.

References X86ISA::ExtMachInst::addrSize, altAddr, altOp, defAddr, defOp, emi, ErrorState, immediateSize, ImmediateState, instDone, X86ISA::ExtMachInst::legacy, ModRMState, X86ISA::ExtMachInst::op, ArmISA::opcode, X86ISA::ExtMachInst::opcode, X86ISA::ExtMachInst::opSize, ResetState, X86ISA::ExtMachInst::rex, SizeTypeToSize, stack, and X86ISA::ExtMachInst::stackSize.

Referenced by doOneByteOpcodeState(), doThreeByte0F38OpcodeState(), doThreeByte0F3AOpcodeState(), doTwoByteOpcodeState(), doVex2Of3State(), doVex3Of3State(), and doVexOpcodeState().

◆ reset()

void X86ISA::Decoder::reset ( )
inline

Definition at line 296 of file decoder.hh.

References ResetState, and state.

◆ setM5Reg()

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

Definition at line 253 of file decoder.hh.

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

◆ takeOverFrom()

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

Definition at line 283 of file decoder.hh.

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

◆ updateNPC()

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

Definition at line 317 of file decoder.hh.

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

Referenced by decode().

◆ updateOffsetState()

void X86ISA::Decoder::updateOffsetState ( )
inlineprotected

Definition at line 139 of file decoder.hh.

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

Referenced by consumeByte(), and consumeBytes().

Member Data Documentation

◆ addrCacheMap

AddrCacheMap X86ISA::Decoder::addrCacheMap
protected

Definition at line 237 of file decoder.hh.

Referenced by setM5Reg().

◆ altAddr

uint8_t X86ISA::Decoder::altAddr = 0
protected

Definition at line 104 of file decoder.hh.

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

◆ altOp

uint8_t X86ISA::Decoder::altOp = 0
protected

Definition at line 102 of file decoder.hh.

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

◆ basePC

Addr X86ISA::Decoder::basePC = 0
protected

Definition at line 92 of file decoder.hh.

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

◆ ByteTable

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

Definition at line 57 of file decoder.hh.

◆ chunkIdx

int X86ISA::Decoder::chunkIdx
protected

Definition at line 90 of file decoder.hh.

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

◆ decodePages

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

Definition at line 235 of file decoder.hh.

Referenced by doResetState(), and setM5Reg().

◆ defAddr

uint8_t X86ISA::Decoder::defAddr = 0
protected

Definition at line 105 of file decoder.hh.

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

◆ defOp

uint8_t X86ISA::Decoder::defOp = 0
protected

Definition at line 103 of file decoder.hh.

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

◆ displacementSize

int X86ISA::Decoder::displacementSize
protected

Definition at line 177 of file decoder.hh.

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

◆ dummy

Decoder::InstBytes X86ISA::Decoder::dummy
staticprotected

Definition at line 85 of file decoder.hh.

◆ emi

ExtMachInst X86ISA::Decoder::emi
protected

Definition at line 98 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 X86ISA::Decoder::fetchChunk
protected

Definition at line 88 of file decoder.hh.

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

◆ immediateCollected

int X86ISA::Decoder::immediateCollected
protected

Definition at line 182 of file decoder.hh.

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

◆ immediateSize

int X86ISA::Decoder::immediateSize
protected

Definition at line 179 of file decoder.hh.

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

◆ ImmediateTypeOneByte

const Decoder::ByteTable 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 65 of file decoder.hh.

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

◆ ImmediateTypeThreeByte0F38

const Decoder::ByteTable 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 ,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0
}

Definition at line 67 of file decoder.hh.

Referenced by doThreeByte0F38OpcodeState(), and doVexOpcodeState().

◆ ImmediateTypeThreeByte0F3A

const Decoder::ByteTable 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 68 of file decoder.hh.

Referenced by doThreeByte0F3AOpcodeState(), and doVexOpcodeState().

◆ ImmediateTypeTwoByte

const Decoder::ByteTable X86ISA::Decoder::ImmediateTypeTwoByte
staticprivate
Initial value:
=
{
0 , 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 , 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 , 0 , 0 , BY, 0 , 0 , 0 , 0 , 0 , 0 , 0 , BY, 0 , 0 , 0 ,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ZW, 0 , BY, 0 , 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 , 0 , 0 , 0
}

Definition at line 66 of file decoder.hh.

Referenced by doTwoByteOpcodeState(), and doVexOpcodeState().

◆ ImmediateTypeVex

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

Definition at line 69 of file decoder.hh.

◆ instBytes

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

Definition at line 89 of file decoder.hh.

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

◆ instCacheMap

Decoder::InstCacheMap X86ISA::Decoder::instCacheMap
staticprotected

Definition at line 242 of file decoder.hh.

Referenced by setM5Reg().

◆ instDone

bool X86ISA::Decoder::instDone = false
protected

Definition at line 175 of file decoder.hh.

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

◆ instMap

DecodeCache::InstMap<ExtMachInst>* X86ISA::Decoder::instMap = nullptr
protected

Definition at line 239 of file decoder.hh.

Referenced by decode(), and setM5Reg().

◆ microcodeRom

X86ISAInst::MicrocodeRom X86ISA::Decoder::microcodeRom
staticprivate

Definition at line 71 of file decoder.hh.

Referenced by fetchRomMicroop().

◆ mode

X86Mode X86ISA::Decoder::mode = LongMode
protected

Definition at line 100 of file decoder.hh.

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

◆ offset

int X86ISA::Decoder::offset = 0
protected

Definition at line 96 of file decoder.hh.

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

◆ origPC

Addr X86ISA::Decoder::origPC = 0
protected

Definition at line 94 of file decoder.hh.

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

◆ outOfBytes

bool X86ISA::Decoder::outOfBytes = true
protected

Definition at line 173 of file decoder.hh.

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

◆ Prefixes

const Decoder::ByteTable 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 , 0 , 0 , 0 , ES, 0 , 0 , 0 , 0 , 0 , 0 , 0 , CS, 0,
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 , 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 , 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 , 0 , 0,
LO, 0 , RN, RE, 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0
}

Definition at line 58 of file decoder.hh.

◆ SizeTypeToSize

const uint8_t 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 56 of file decoder.hh.

Referenced by processOpcode().

◆ stack

uint8_t X86ISA::Decoder::stack = 0
protected

Definition at line 106 of file decoder.hh.

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

◆ state

State X86ISA::Decoder::state = ResetState
protected

Definition at line 204 of file decoder.hh.

Referenced by process(), and reset().

◆ submode

X86SubMode X86ISA::Decoder::submode = SixtyFourBitMode
protected

Definition at line 101 of file decoder.hh.

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

◆ UsesModRMOneByte

const Decoder::ByteTable X86ISA::Decoder::UsesModRMOneByte
staticprivate
Initial value:
=
{
1 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0,
1 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0,
1 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0,
1 , 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 , 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 , 0,
1 , 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 , 0 , 0 , 0,
1 , 1 , 0 , 0 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
1 , 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 , 0 , 0 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 1 , 1
}

Definition at line 60 of file decoder.hh.

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

◆ UsesModRMThreeByte0F38

const Decoder::ByteTable X86ISA::Decoder::UsesModRMThreeByte0F38
staticprivate
Initial value:
=
{
1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0,
1 , 0 , 0 , 0 , 1 , 1 , 0 , 1 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 0,
1 , 1 , 1 , 1 , 1 , 1 , 0 , 0 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0,
1 , 1 , 1 , 1 , 1 , 1 , 0 , 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 , 0,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
0 , 0 , 0 , 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 , 0,
1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0
}

Definition at line 62 of file decoder.hh.

Referenced by doThreeByte0F38OpcodeState(), and doVexOpcodeState().

◆ UsesModRMThreeByte0F3A

const Decoder::ByteTable X86ISA::Decoder::UsesModRMThreeByte0F3A
staticprivate
Initial value:
=
{
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 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,
1 , 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 , 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 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 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 , 0 , 0
}

Definition at line 63 of file decoder.hh.

Referenced by doThreeByte0F3AOpcodeState(), and doVexOpcodeState().

◆ UsesModRMTwoByte

const Decoder::ByteTable X86ISA::Decoder::UsesModRMTwoByte
staticprivate
Initial value:
=
{
1 , 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 , 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 , 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 , 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 , 0,
1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1,
0 , 0 , 0 , 1 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 1,
1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 0 , 0 , 1 , 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 , 1 , 1 , 1 , 0
}

Definition at line 61 of file decoder.hh.

Referenced by doTwoByteOpcodeState(), and doVexOpcodeState().

The documentation for this class was generated from the following files:
X86ISA::RX
const uint8_t RX
Definition: decoder_tables.cc:55
X86ISA::RN
const uint8_t RN
Definition: decoder_tables.cc:54
X86ISA::V3
const uint8_t V3
Definition: decoder_tables.cc:57
X86ISA::V2
const uint8_t V2
Definition: decoder_tables.cc:56
X86ISA::CS
const uint8_t CS
Definition: decoder_tables.cc:43
X86ISA::ES
const uint8_t ES
Definition: decoder_tables.cc:45
X86ISA::LO
const uint8_t LO
Definition: decoder_tables.cc:52
X86ISA::OO
const uint8_t OO
Definition: decoder_tables.cc:50
X86ISA::RE
const uint8_t RE
Definition: decoder_tables.cc:53
X86ISA::BY
@ BY
Definition: decoder_tables.cc:171
X86ISA::ZW
@ ZW
Definition: decoder_tables.cc:183
X86ISA::FS
const uint8_t FS
Definition: decoder_tables.cc:46
X86ISA::VW
@ VW
Definition: decoder_tables.cc:181
X86ISA::GS
const uint8_t GS
Definition: decoder_tables.cc:47
X86ISA::WO
@ WO
Definition: decoder_tables.cc:173
X86ISA::EN
@ EN
Definition: decoder_tables.cc:186
X86ISA::SS
const uint8_t SS
Definition: decoder_tables.cc:48
X86ISA::PO
@ PO
Definition: decoder_tables.cc:188
X86ISA::AO
const uint8_t AO
Definition: decoder_tables.cc:51
X86ISA::DS
const uint8_t DS
Definition: decoder_tables.cc:44
Generated on Wed Sep 30 2020 14:03:14 for gem5 by doxygen 1.8.17