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

#include <static_inst.hh>

Inheritance diagram for X86ISA::X86StaticInst:

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	printMnemonic (std::ostream &os, const char *mnemonic) const

void	printMnemonic (std::ostream &os, const char instMnemonic, const char mnemonic) const

void	printSegment (std::ostream &os, int segment) const

void	printReg (std::ostream &os, RegId reg, int size) const

void	printSrcReg (std::ostream &os, int reg, int size) const

void	printDestReg (std::ostream &os, int reg, int size) const

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

uint64_t	merge (uint64_t into, uint64_t val, int size) const

uint64_t	pick (uint64_t from, int idx, int size) const

int64_t	signedPick (uint64_t from, int idx, int size) const

void	advancePC (PCState &pcState) const override

Protected Member Functions inherited from StaticInst
	StaticInst (const char *_mnemonic, ExtMachInst _machInst, OpClass __opClass)
	Constructor. More...

template<typename T >
size_t	simpleAsBytes (void *buf, size_t max_size, const T &t)

Additional Inherited Members
Public Types inherited from StaticInst
enum	{ MaxInstSrcRegs = TheISA::MaxInstSrcRegs, MaxInstDestRegs = TheISA::MaxInstDestRegs }

typedef TheISA::ExtMachInst	ExtMachInst
	Binary extended machine instruction type. More...

Public Member Functions inherited from StaticInst
int8_t	numSrcRegs () const
	Number of source registers. More...

int8_t	numDestRegs () const
	Number of destination registers. More...

int8_t	numFPDestRegs () const
	Number of floating-point destination regs. More...

int8_t	numIntDestRegs () const
	Number of integer destination regs. More...

int8_t	numVecDestRegs () const
	Number of vector destination regs. More...

int8_t	numVecElemDestRegs () const
	Number of vector element destination regs. More...

int8_t	numVecPredDestRegs () const
	Number of predicate destination regs. More...

int8_t	numCCDestRegs () const
	Number of coprocesor destination regs. 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	isCC () const

bool	isControl () const

bool	isCall () const

bool	isReturn () const

bool	isDirectCtrl () const

bool	isIndirectCtrl () const

bool	isCondCtrl () const

bool	isUncondCtrl () const

bool	isCondDelaySlot () const

bool	isThreadSync () const

bool	isSerializing () const

bool	isSerializeBefore () const

bool	isSerializeAfter () const

bool	isSquashAfter () const

bool	isMemBarrier () const

bool	isWriteBarrier () const

bool	isNonSpeculative () const

bool	isQuiesce () const

bool	isIprAccess () const

bool	isUnverifiable () const

bool	isSyscall () const

bool	isMacroop () const

bool	isMicroop () const

bool	isDelayedCommit () const

bool	isLastMicroop () const

bool	isFirstMicroop () const

bool	isMicroBranch () 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 RegId &	destRegIdx (int i) const
	Return logical index (architectural reg num) of i'th destination reg. More...

const RegId &	srcRegIdx (int i) const
	Return logical index (architectural reg num) of i'th source reg. More...

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 *traceData) const

virtual void	advancePC (TheISA::PCState &pcState) const =0

virtual StaticInstPtr	fetchMicroop (MicroPC upc) const
	Return the microop that goes with a particular micropc. More...

virtual TheISA::PCState	branchTarget (const TheISA::PCState &pc) const
	Return the target address for a PC-relative branch. More...

virtual TheISA::PCState	branchTarget (ThreadContext *tc) const
	Return the target address for an indirect branch (jump). More...

bool	hasBranchTarget (const TheISA::PCState &pc, ThreadContext *tc, TheISA::PCState &tgt) const
	Return true if the instruction is a control transfer, and if so, return the target address as well. 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 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...

Public Attributes inherited from StaticInst
const ExtMachInst	machInst
	The binary machine instruction. More...

Static Public Attributes inherited from StaticInst
static StaticInstPtr	nullStaticInstPtr
	Pointer to a statically allocated "null" instruction object. More...

static StaticInstPtr	nopStaticInstPtr = new NopStaticInst
	Pointer to a statically allocated generic "nop" instruction object. More...

Protected Attributes inherited from StaticInst
std::bitset< Num_Flags >	flags
	Flag values for this instruction. More...

OpClass	_opClass
	See opClass(). More...

int8_t	_numSrcRegs
	See numSrcRegs(). More...

int8_t	_numDestRegs
	See numDestRegs(). More...

int8_t	_numFPDestRegs
	The following are used to track physical register usage for machines with separate int & FP reg files. More...

int8_t	_numIntDestRegs

int8_t	_numCCDestRegs

int8_t	_numVecDestRegs
	To use in architectures with vector register file. More...

int8_t	_numVecElemDestRegs

int8_t	_numVecPredDestRegs

RegId	_destRegIdx [MaxInstDestRegs]
	See destRegIdx(). More...

RegId	_srcRegIdx [MaxInstSrcRegs]
	See srcRegIdx(). More...

const char *	mnemonic
	Base mnemonic (e.g., "add"). More...

std::string *	cachedDisassembly
	String representation of disassembly (lazily evaluated via disassemble()). More...

Detailed Description

Base class for all X86 static instructions.

Definition at line 79 of file static_inst.hh.

Constructor & Destructor Documentation

◆ X86StaticInst()

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

inlineprotected

Definition at line 83 of file static_inst.hh.

Member Function Documentation

◆ advancePC()

void X86ISA::X86StaticInst::advancePC ( PCState & pcState ) const

inlineoverrideprotected

Definition at line 178 of file static_inst.hh.

References X86ISA::PCState::advance().

◆ generateDisassembly()

std::string X86ISA::X86StaticInst::generateDisassembly	(	Addr	pc,
		const Loader::SymbolTable *	symtab
	)		const

overrideprotectedvirtual

Internal function to generate disassembly string.

Implements StaticInst.

Definition at line 268 of file static_inst.cc.

References StaticInst::mnemonic, printMnemonic(), and ArmISA::ss.

◆ merge()

uint64_t X86ISA::X86StaticInst::merge	(	uint64_t	into,
		uint64_t	val,
		int	size
	)		const

inlineprotected

Definition at line 105 of file static_inst.hh.

References StaticInst::_destRegIdx, X86ISA::index, X86ISA::IntFoldBit, panic, X86ISA::reg, and X86ISA::val.

◆ pick()

uint64_t X86ISA::X86StaticInst::pick	(	uint64_t	from,
		int	idx,
		int	size
	)		const

inlineprotected

Definition at line 135 of file static_inst.hh.

References StaticInst::_srcRegIdx, DPRINTF, X86ISA::index, X86ISA::IntFoldBit, panic, and X86ISA::reg.

◆ printDestReg()

void X86ISA::X86StaticInst::printDestReg	(	std::ostream &	os,
		int	reg,
		int	size
	)		const

protected

Definition at line 114 of file static_inst.cc.

References StaticInst::_destRegIdx, StaticInst::_numDestRegs, X86ISA::os, printReg(), and X86ISA::reg.

Referenced by X86ISA::FpOp::generateDisassembly(), X86ISA::RegOp::generateDisassembly(), X86ISA::MediaOpReg::generateDisassembly(), X86ISA::LdStOp::generateDisassembly(), X86ISA::RegOpImm::generateDisassembly(), X86ISA::MediaOpImm::generateDisassembly(), and X86ISA::LdStSplitOp::generateDisassembly().

◆ printMem()

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