gem5  v22.1.0.0
Static Public Member Functions | Public Attributes | Protected Types | Protected Member Functions | Static Protected Member Functions | List of all members
gem5::X86ISA::X86StaticInst Class Reference

Base class for all X86 static instructions. More...

#include <static_inst.hh>

Inheritance diagram for gem5::X86ISA::X86StaticInst:
gem5::StaticInst gem5::RefCounted gem5::X86ISA::DecodeFaultInst gem5::X86ISA::MacroopBase gem5::X86ISA::X86MicroopBase gem5::X86ISA::InstOperands< X86MicroopBase > gem5::X86ISA::FpOp gem5::X86ISA::MediaOpBase gem5::X86ISA::MemOp gem5::X86ISA::MicroCondBase gem5::X86ISA::MicroDebug gem5::X86ISA::RegOpBase gem5::X86ISA::MicroHalt gem5::X86ISA::InstOperands< MemOp, AddrOp > gem5::X86ISA::InstOperands< MemOp, FloatDataOp, AddrOp > gem5::X86ISA::InstOperands< MemOp, FoldedDataLowOp, FoldedDataHiOp, AddrOp > gem5::X86ISA::InstOperands< MemOp, FoldedDataOp, AddrOp > gem5::X86ISA::MemNoDataOp gem5::X86ISA::LdStFpOp gem5::X86ISA::LdStSplitOp gem5::X86ISA::LdStOp

Static Public Member Functions

static void printMnemonic (std::ostream &os, const char *mnemonic)
static void printMnemonic (std::ostream &os, const char *instMnemonic, const char *mnemonic)
static void printMem (std::ostream &os, uint8_t segment, uint8_t scale, RegIndex index, RegIndex base, uint64_t disp, uint8_t addressSize, bool rip)
static void printSegment (std::ostream &os, int segment)
static void printReg (std::ostream &os, RegId reg, int size)

Public Attributes

ExtMachInst machInst

Protected Types

using ExtMachInst = X86ISA::ExtMachInst

Protected Member Functions

 X86StaticInst (const char *mnem, ExtMachInst _machInst, OpClass __opClass)
std::string generateDisassembly (Addr pc, const loader::SymbolTable *symtab) const override
 Internal function to generate disassembly string. More...
void advancePC (PCStateBase &pcState) const override
void advancePC (ThreadContext *tc) const override
std::unique_ptr< PCStateBasebuildRetPC (const PCStateBase &cur_pc, const PCStateBase &call_pc) const override
- Protected Member Functions inherited from gem5::StaticInst
void setRegIdxArrays (RegIdArrayPtr src, RegIdArrayPtr dest)
 Set the pointers which point to the arrays of source and destination register indices. More...
 StaticInst (const char *_mnemonic, OpClass op_class)
 Constructor. More...
template<typename T >
size_t simpleAsBytes (void *buf, size_t max_size, const T &t)

Static Protected Member Functions

static void divideStep (uint64_t divident, uint64_t divisor, uint64_t &quotient, uint64_t &remainder)
static uint64_t merge (uint64_t into, RegIndex index, uint64_t val, int size)
static uint64_t pick (uint64_t from, RegIndex index, int size)
static int64_t signedPick (uint64_t from, RegIndex index, int size)

Additional Inherited Members

- Public Types inherited from gem5::StaticInst
using RegIdArrayPtr = RegId(StaticInst::*)[]
- Public Member Functions inherited from gem5::StaticInst
uint8_t numSrcRegs () const
 Number of source registers. More...
uint8_t numDestRegs () const
 Number of destination registers. More...
uint8_t numDestRegs (RegClassType type) const
 Number of destination registers of a particular type. More...
bool isNop () const
bool isMemRef () const
bool isLoad () const
bool isStore () const
bool isAtomic () const
bool isStoreConditional () const
bool isInstPrefetch () const
bool isDataPrefetch () const
bool isPrefetch () const
bool isInteger () const
bool isFloating () const
bool isVector () const
bool isControl () const
bool isCall () const
bool isReturn () const
bool isDirectCtrl () const
bool isIndirectCtrl () const
bool isCondCtrl () const
bool isUncondCtrl () const
bool isSerializing () const
bool isSerializeBefore () const
bool isSerializeAfter () const
bool isSquashAfter () const
bool isFullMemBarrier () const
bool isReadBarrier () const
bool isWriteBarrier () const
bool isNonSpeculative () const
bool isQuiesce () const
bool isUnverifiable () const
bool isSyscall () const
bool isMacroop () const
bool isMicroop () const
bool isDelayedCommit () const
bool isLastMicroop () const
bool isFirstMicroop () const
bool isHtmStart () const
bool isHtmStop () const
bool isHtmCancel () const
bool isHtmCmd () const
void setFirstMicroop ()
void setLastMicroop ()
void setDelayedCommit ()
void setFlag (Flags f)
OpClass opClass () const
 Operation class. Used to select appropriate function unit in issue. More...
const RegIddestRegIdx (int i) const
 Return logical index (architectural reg num) of i'th destination reg. More...
void setDestRegIdx (int i, const RegId &val)
const RegIdsrcRegIdx (int i) const
 Return logical index (architectural reg num) of i'th source reg. More...
void setSrcRegIdx (int i, const RegId &val)
virtual uint64_t getEMI () const
virtual ~StaticInst ()
virtual Fault execute (ExecContext *xc, trace::InstRecord *traceData) const =0
virtual Fault initiateAcc (ExecContext *xc, trace::InstRecord *traceData) const
virtual Fault completeAcc (Packet *pkt, ExecContext *xc, trace::InstRecord *trace_data) const
virtual StaticInstPtr fetchMicroop (MicroPC upc) const
 Return the microop that goes with a particular micropc. More...
virtual std::unique_ptr< PCStateBasebranchTarget (const PCStateBase &pc) const
 Return the target address for a PC-relative branch. More...
virtual std::unique_ptr< PCStateBasebranchTarget (ThreadContext *tc) const
 Return the target address for an indirect branch (jump). More...
virtual const std::string & disassemble (Addr pc, const loader::SymbolTable *symtab=nullptr) const
 Return string representation of disassembled instruction. More...
void printFlags (std::ostream &outs, const std::string &separator) const
 Print a separator separated list of this instruction's set flag names on the given stream. More...
std::string getName ()
 Return name of machine instruction. More...
virtual size_t asBytes (void *buf, size_t max_size)
 Instruction classes can override this function to return a a representation of themselves as a blob of bytes, generally assumed to be that instructions ExtMachInst. More...
- Public Member Functions inherited from gem5::RefCounted
 RefCounted ()
 We initialize the reference count to zero and the first object to take ownership of it must increment it to one. More...
virtual ~RefCounted ()
 We make the destructor virtual because we're likely to have virtual functions on reference counted objects. More...
void incref () const
 Increment the reference count. More...
void decref () const
 Decrement the reference count and destroy the object if all references are gone. More...
- Static Public Attributes inherited from gem5::StaticInst
static StaticInstPtr nullStaticInstPtr
 Pointer to a statically allocated "null" instruction object. More...
- Protected Attributes inherited from gem5::StaticInst
std::bitset< Num_Flags > flags
 Flag values for this instruction. More...
OpClass _opClass
 See opClass(). More...
uint8_t _numSrcRegs = 0
 See numSrcRegs(). More...
uint8_t _numDestRegs = 0
 See numDestRegs(). More...
std::array< uint8_t, MiscRegClass+1 > _numTypedDestRegs = {}
const char * mnemonic
 Base mnemonic (e.g., "add"). More...
std::unique_ptr< std::string > cachedDisassembly
 String representation of disassembly (lazily evaluated via disassemble()). More...

Detailed Description

Base class for all X86 static instructions.

Definition at line 100 of file static_inst.hh.

Member Typedef Documentation

◆ ExtMachInst

Definition at line 115 of file static_inst.hh.

Constructor & Destructor Documentation

◆ X86StaticInst()

gem5::X86ISA::X86StaticInst::X86StaticInst ( const char *  mnem,
ExtMachInst  _machInst,
OpClass  __opClass 

Definition at line 122 of file static_inst.hh.

Member Function Documentation

◆ advancePC() [1/2]

void gem5::X86ISA::X86StaticInst::advancePC ( PCStateBase pcState) const

Implements gem5::StaticInst.

Definition at line 204 of file static_inst.hh.

References gem5::PCStateBase::as().

◆ advancePC() [2/2]

void gem5::X86ISA::X86StaticInst::advancePC ( ThreadContext tc) const

Reimplemented from gem5::StaticInst.

Definition at line 210 of file static_inst.hh.

References gem5::PCStateBase::as(), gem5::X86ISA::pc, and gem5::ThreadContext::pcState().

◆ buildRetPC()

std::unique_ptr<PCStateBase> gem5::X86ISA::X86StaticInst::buildRetPC ( const PCStateBase cur_pc,
const PCStateBase call_pc 
) const

Reimplemented from gem5::StaticInst.

Definition at line 218 of file static_inst.hh.

References gem5::PCStateBase::as(), and gem5::PCStateBase::clone().

◆ divideStep()

void gem5::X86ISA::X86StaticInst::divideStep ( uint64_t  divident,
uint64_t  divisor,
uint64_t &  quotient,
uint64_t &  remainder 

Definition at line 112 of file

References gem5::findMsbSet(), sc_dt::remainder, and gem5::ArmISA::shift.

◆ generateDisassembly()

std::string gem5::X86ISA::X86StaticInst::generateDisassembly ( Addr  pc,
const loader::SymbolTable symtab 
) const

◆ merge()

static uint64_t gem5::X86ISA::X86StaticInst::merge ( uint64_t  into,
RegIndex  index,
uint64_t  val,
int  size 

◆ pick()

static uint64_t gem5::X86ISA::X86StaticInst::pick ( uint64_t  from,
RegIndex  index,
int  size 

◆ printMem()

void gem5::X86ISA::X86StaticInst::printMem ( std::ostream &  os,
uint8_t  segment,
uint8_t  scale,
RegIndex  index,
RegIndex  base,
uint64_t  disp,
uint8_t  addressSize,
bool  rip 

◆ printMnemonic() [1/2]

void gem5::X86ISA::X86StaticInst::printMnemonic ( std::ostream &  os,
const char *  instMnemonic,
const char *  mnemonic 

Definition at line 57 of file

References gem5::ccprintf(), gem5::StaticInst::mnemonic, and gem5::X86ISA::os.

◆ printMnemonic() [2/2]

void gem5::X86ISA::X86StaticInst::printMnemonic ( std::ostream &  os,
const char *  mnemonic 

◆ printReg()

void gem5::X86ISA::X86StaticInst::printReg ( std::ostream &  os,
RegId  reg,
int  size 

◆ printSegment()

void gem5::X86ISA::X86StaticInst::printSegment ( std::ostream &  os,
int  segment 

◆ signedPick()

static int64_t gem5::X86ISA::X86StaticInst::signedPick ( uint64_t  from,
RegIndex  index,
int  size 

Member Data Documentation

◆ machInst

ExtMachInst gem5::X86ISA::X86StaticInst::machInst

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

Generated on Wed Dec 21 2022 10:25:04 for gem5 by doxygen 1.9.1