gem5  v21.1.0.1
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gem5::X86ISA::Decoder Class Reference

#include <decoder.hh>

Inheritance diagram for gem5::X86ISA::Decoder:
gem5::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)
 
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_instThe binary instruction to decode.
Return values
Apointer 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

Definition at line 182 of file decoder.cc.

References gem5::X86ISA::AddressSizeOverride, consumeByte(), gem5::X86ISA::CSOverride, DPRINTF, gem5::X86ISA::DSOverride, emi, gem5::X86ISA::ESOverride, gem5::X86ISA::FSOverride, gem5::X86ISA::GSOverride, gem5::X86ISA::ExtMachInst::legacy, gem5::X86ISA::Lock, gem5::X86ISA::ExtMachInst::mode, OneByteOpcodeState, gem5::X86ISA::OperandSizeOverride, panic, PrefixState, gem5::X86ISA::Rep, gem5::X86ISA::Repne, gem5::X86ISA::ExtMachInst::rex, gem5::X86ISA::RexPrefix, gem5::X86ISA::SixtyFourBitMode, gem5::X86ISA::SSOverride, gem5::X86ISA::ExtMachInst::vex, Vex2Of2State, Vex2Of3State, gem5::X86ISA::Vex2Prefix, and gem5::X86ISA::Vex3Prefix.

Referenced by process().

◆ doResetState()

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

Definition at line 47 of file decoder.cc.

References basePC, chunkIdx, gem5::X86ISA::Decoder::InstBytes::chunks, decodePages, gem5::X86ISA::ExtMachInst::displacement, gem5::X86ISA::ExtMachInst::dispSize, DPRINTF, emi, FromCacheState, gem5::X86ISA::ExtMachInst::immediate, immediateCollected, instBytes, gem5::X86ISA::ExtMachInst::legacy, gem5::decode_cache::AddrMap< Value, CacheChunkShift >::lookup(), gem5::X86ISA::ExtMachInst::modRM, offset, gem5::X86ISA::ExtMachInst::op, gem5::X86ISA::ExtMachInst::opcode, origPC, PrefixState, gem5::X86ISA::ExtMachInst::rex, gem5::X86ISA::Decoder::InstBytes::si, gem5::X86ISA::ExtMachInst::sib, gem5::X86ISA::ExtMachInst::type, and gem5::X86ISA::ExtMachInst::vex.

Referenced by process().

◆ 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 ( )

Definition at line 78 of file decoder.cc.

References gem5::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 gem5::X86ISA::Decoder::processExtendedOpcode ( ByteTable &  immTable)
protected

◆ processOpcode()

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

Definition at line 453 of file decoder.cc.

References gem5::X86ISA::ExtMachInst::addrSize, altAddr, altOp, defAddr, defOp, emi, ErrorState, immediateSize, ImmediateState, instDone, gem5::X86ISA::ExtMachInst::legacy, ModRMState, gem5::X86ISA::ExtMachInst::op, gem5::ArmISA::opcode, gem5::X86ISA::ExtMachInst::opcode, gem5::X86ISA::ExtMachInst::opSize, ResetState, gem5::X86ISA::ExtMachInst::rex, SizeTypeToSize, stack, and gem5::X86ISA::ExtMachInst::stackSize.

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

◆ 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 ,
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 , 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 , 0 , 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 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 , 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 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 , 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 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 , 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 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 , 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 66 of file decoder.hh.

Referenced by doThreeByte0F3AOpcodeState(), and doVexOpcodeState().

◆ UsesModRMTwoByte

const Decoder::ByteTable gem5::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 , 1 , 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 64 of file decoder.hh.

Referenced by doTwoByteOpcodeState(), and doVexOpcodeState().

The documentation for this class was generated from the following files:
gem5::X86ISA::LO
const uint8_t LO
Definition: decoder_tables.cc:55
gem5::X86ISA::V2
const uint8_t V2
Definition: decoder_tables.cc:59
gem5::X86ISA::RN
const uint8_t RN
Definition: decoder_tables.cc:57
gem5::X86ISA::ES
const uint8_t ES
Definition: decoder_tables.cc:48
gem5::X86ISA::ZW
@ ZW
Definition: decoder_tables.cc:187
gem5::X86ISA::RE
const uint8_t RE
Definition: decoder_tables.cc:56
gem5::X86ISA::RX
const uint8_t RX
Definition: decoder_tables.cc:58
gem5::X86ISA::V3
const uint8_t V3
Definition: decoder_tables.cc:60
gem5::X86ISA::SS
const uint8_t SS
Definition: decoder_tables.cc:51
gem5::X86ISA::GS
const uint8_t GS
Definition: decoder_tables.cc:50
gem5::X86ISA::VW
@ VW
Definition: decoder_tables.cc:185
gem5::X86ISA::PO
@ PO
Definition: decoder_tables.cc:192
gem5::X86ISA::CS
const uint8_t CS
Definition: decoder_tables.cc:46
gem5::X86ISA::DS
const uint8_t DS
Definition: decoder_tables.cc:47
gem5::X86ISA::BY
@ BY
Definition: decoder_tables.cc:175
gem5::X86ISA::OO
const uint8_t OO
Definition: decoder_tables.cc:53
gem5::X86ISA::EN
@ EN
Definition: decoder_tables.cc:190
gem5::X86ISA::AO
const uint8_t AO
Definition: decoder_tables.cc:54
gem5::X86ISA::WO
@ WO
Definition: decoder_tables.cc:177
gem5::X86ISA::FS
const uint8_t FS
Definition: decoder_tables.cc:49
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