gem5
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#include <branch64.hh>
Public Member Functions | |
BranchImmReg64 (const char *mnem, ExtMachInst _machInst, OpClass __opClass, int64_t _imm, IntRegIndex _op1) | |
ArmISA::PCState | branchTarget (const ArmISA::PCState &branchPC) const |
std::string | generateDisassembly (Addr pc, const SymbolTable *symtab) const |
Internal function to generate disassembly string. More... | |
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virtual void | annotateFault (ArmFault *fault) |
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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 StaticInstPtr & | eaCompInst () const |
Memory references only: returns "fake" instruction representing the effective address part of the memory operation. More... | |
virtual const StaticInstPtr & | memAccInst () 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 |
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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... | |
Protected Attributes | |
int64_t | imm |
IntRegIndex | op1 |
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bool | aarch64 |
uint8_t | intWidth |
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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 | |
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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... | |
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const ExtMachInst | machInst |
The binary machine instruction. More... | |
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static StaticInstPtr | nullStaticInstPtr |
Pointer to a statically allocated "null" instruction object. More... | |
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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... | |
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StaticInst (const char *_mnemonic, ExtMachInst _machInst, OpClass __opClass) | |
Constructor. More... | |
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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) |
Definition at line 120 of file branch64.hh.
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inline |
Definition at line 127 of file branch64.hh.
ArmISA::PCState ArmISA::BranchImmReg64::branchTarget | ( | const ArmISA::PCState & | branchPC | ) | const |
Definition at line 55 of file branch64.cc.
References imm.
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virtual |
Internal function to generate disassembly string.
Implements StaticInst.
Definition at line 123 of file branch64.cc.
References ccprintf(), imm, op1, ArmISA::ArmStaticInst::printMnemonic(), ArmISA::ArmStaticInst::printReg(), ArmISA::ArmStaticInst::printTarget(), and ArmISA::ss.
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protected |
Definition at line 123 of file branch64.hh.
Referenced by branchTarget(), and generateDisassembly().
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protected |
Definition at line 124 of file branch64.hh.
Referenced by generateDisassembly().