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RegRegOp Class Reference

#include <misc.hh>

Inheritance diagram for RegRegOp:
ArmISA::PredOp ArmISA::ArmStaticInst StaticInst RefCounted

Protected Member Functions

 RegRegOp (const char *mnem, ExtMachInst _machInst, OpClass __opClass, IntRegIndex _dest, IntRegIndex _op1)
 
std::string generateDisassembly (Addr pc, const SymbolTable *symtab) const
 Internal function to generate disassembly string. More...
 
- Protected Member Functions inherited from ArmISA::PredOp
 PredOp (const char *mnem, ExtMachInst _machInst, OpClass __opClass)
 Constructor. More...
 
- Protected Member Functions inherited from ArmISA::ArmStaticInst
int32_t shift_rm_imm (uint32_t base, uint32_t shamt, uint32_t type, uint32_t cfval) const
 
int32_t shift_rm_rs (uint32_t base, uint32_t shamt, uint32_t type, uint32_t cfval) const
 
bool shift_carry_imm (uint32_t base, uint32_t shamt, uint32_t type, uint32_t cfval) const
 
bool shift_carry_rs (uint32_t base, uint32_t shamt, uint32_t type, uint32_t cfval) const
 
int64_t shiftReg64 (uint64_t base, uint64_t shiftAmt, ArmShiftType type, uint8_t width) const
 
int64_t extendReg64 (uint64_t base, ArmExtendType type, uint64_t shiftAmt, uint8_t width) const
 
 ArmStaticInst (const char *mnem, ExtMachInst _machInst, OpClass __opClass)
 
void printReg (std::ostream &os, int reg) const
 Print a register name for disassembly given the unique dependence tag number (FP or int). More...
 
void printMnemonic (std::ostream &os, const std::string &suffix="", bool withPred=true, bool withCond64=false, ConditionCode cond64=COND_UC) const
 
void printTarget (std::ostream &os, Addr target, const SymbolTable *symtab) const
 
void printCondition (std::ostream &os, unsigned code, bool noImplicit=false) const
 
void printMemSymbol (std::ostream &os, const SymbolTable *symtab, const std::string &prefix, const Addr addr, const std::string &suffix) const
 
void printShiftOperand (std::ostream &os, IntRegIndex rm, bool immShift, uint32_t shiftAmt, IntRegIndex rs, ArmShiftType type) const
 
void printExtendOperand (bool firstOperand, std::ostream &os, IntRegIndex rm, ArmExtendType type, int64_t shiftAmt) const
 
void printDataInst (std::ostream &os, bool withImm) const
 
void printDataInst (std::ostream &os, bool withImm, bool immShift, bool s, IntRegIndex rd, IntRegIndex rn, IntRegIndex rm, IntRegIndex rs, uint32_t shiftAmt, ArmShiftType type, uint64_t imm) const
 
void advancePC (PCState &pcState) const
 
std::string generateDisassembly (Addr pc, const SymbolTable *symtab) const
 Internal function to generate disassembly string. More...
 
Fault disabledFault () const
 
Fault advSIMDFPAccessTrap64 (ExceptionLevel el) const
 Trap an access to Advanced SIMD or FP registers due to access control bits. More...
 
Fault checkFPAdvSIMDTrap64 (ThreadContext *tc, CPSR cpsr) const
 Check an Advaned SIMD access against CPTR_EL2 and CPTR_EL3. More...
 
Fault checkFPAdvSIMDEnabled64 (ThreadContext *tc, CPSR cpsr, CPACR cpacr) const
 Check an Advaned SIMD access against CPACR_EL1, CPTR_EL2, and CPTR_EL3. More...
 
Fault checkAdvSIMDOrFPEnabled32 (ThreadContext *tc, CPSR cpsr, CPACR cpacr, NSACR nsacr, FPEXC fpexc, bool fpexc_check, bool advsimd) const
 Check if a VFP/SIMD access from aarch32 should be allowed. More...
 
CPSR getPSTATEFromPSR (ThreadContext *tc, CPSR cpsr, CPSR spsr) const
 Get the new PSTATE from a SPSR register in preparation for an exception return. More...
 
- Protected Member Functions inherited from StaticInst
 StaticInst (const char *_mnemonic, ExtMachInst _machInst, OpClass __opClass)
 Constructor. More...
 

Protected Attributes

IntRegIndex dest
 
IntRegIndex op1
 
- Protected Attributes inherited from ArmISA::PredOp
ConditionCode condCode
 
- Protected Attributes inherited from ArmISA::ArmStaticInst
bool aarch64
 
uint8_t intWidth
 
- 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...
 
RegIndex _destRegIdx [MaxInstDestRegs]
 See destRegIdx(). More...
 
RegIndex _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...
 
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
 

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...
 
typedef TheISA::RegIndex RegIndex
 Logical register index type. More...
 
- Public Member Functions inherited from ArmISA::ArmStaticInst
virtual void annotateFault (ArmFault *fault)
 
- Public Member Functions inherited from StaticInst
int8_t numCCDestRegs () const
 Number of coprocesor destination regs. More...
 
void setFirstMicroop ()
 
void setLastMicroop ()
 
void setDelayedCommit ()
 
void setFlag (Flags f)
 
OpClass opClass () const
 Operation class. Used to select appropriate function unit in issue. More...
 
RegIndex destRegIdx (int i) const
 Return logical index (architectural reg num) of i'th destination reg. More...
 
RegIndex srcRegIdx (int i) const
 Return logical index (architectural reg num) of i'th source reg. More...
 
virtual const StaticInstPtreaCompInst () const
 Memory references only: returns "fake" instruction representing the effective address part of the memory operation. More...
 
virtual const StaticInstPtrmemAccInst () const
 Memory references only: returns "fake" instruction representing the memory access part of the memory operation. More...
 
virtual ~StaticInst ()
 
virtual Fault execute (ExecContext *xc, Trace::InstRecord *traceData) const =0
 
virtual Fault eaComp (ExecContext *xc, Trace::InstRecord *traceData) const
 
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 SymbolTable *symtab=0) 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...
 
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...
 
bool isNop () const
 
bool isMemRef () const
 
bool isLoad () const
 
bool isStore () const
 
bool isStoreConditional () const
 
bool isInstPrefetch () const
 
bool isDataPrefetch () const
 
bool isPrefetch () const
 
bool isInteger () const
 
bool isFloating () 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
 
- 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 ()
 Increment the reference count. More...
 
void decref ()
 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 Protected Member Functions inherited from ArmISA::ArmStaticInst
template<int width>
static bool saturateOp (int32_t &res, int64_t op1, int64_t op2, bool sub=false)
 
static bool satInt (int32_t &res, int64_t op, int width)
 
template<int width>
static bool uSaturateOp (uint32_t &res, int64_t op1, int64_t op2, bool sub=false)
 
static bool uSatInt (int32_t &res, int64_t op, int width)
 
static uint32_t cpsrWriteByInstr (CPSR cpsr, uint32_t val, SCR scr, NSACR nsacr, uint8_t byteMask, bool affectState, bool nmfi, ThreadContext *tc)
 
static uint32_t spsrWriteByInstr (uint32_t spsr, uint32_t val, uint8_t byteMask, bool affectState)
 
template<class XC >
static Addr readPC (XC *xc)
 
template<class XC >
static void setNextPC (XC *xc, Addr val)
 
template<class T >
static T cSwap (T val, bool big)
 
template<class T , class E >
static T cSwap (T val, bool big)
 
template<class XC >
static void setIWNextPC (XC *xc, Addr val)
 
template<class XC >
static void setAIWNextPC (XC *xc, Addr val)
 

Detailed Description

Definition at line 160 of file misc.hh.

Constructor & Destructor Documentation

RegRegOp::RegRegOp ( const char *  mnem,
ExtMachInst  _machInst,
OpClass  __opClass,
IntRegIndex  _dest,
IntRegIndex  _op1 
)
inlineprotected

Definition at line 166 of file misc.hh.

Member Function Documentation

std::string RegRegOp::generateDisassembly ( Addr  pc,
const SymbolTable symtab 
) const
protectedvirtual

Internal function to generate disassembly string.

Implements StaticInst.

Definition at line 195 of file misc.cc.

References dest, op1, ArmISA::ArmStaticInst::printMnemonic(), ArmISA::ArmStaticInst::printReg(), and ArmISA::ss.

Member Data Documentation

IntRegIndex RegRegOp::dest
protected

Definition at line 163 of file misc.hh.

Referenced by generateDisassembly().

IntRegIndex RegRegOp::op1
protected

Definition at line 164 of file misc.hh.

Referenced by generateDisassembly().


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

Generated on Fri Jun 9 2017 13:04:18 for gem5 by doxygen 1.8.6