gem5  v22.0.0.2
Protected Member Functions | Protected Attributes | List of all members
gem5::RiscvISA::RiscvMacroInst Class Reference

Base class for all RISC-V Macroops. More...

#include <static_inst.hh>

Inheritance diagram for gem5::RiscvISA::RiscvMacroInst:
gem5::RiscvISA::RiscvStaticInst gem5::StaticInst gem5::RefCounted gem5::RiscvISA::AtomicMemOp gem5::RiscvISA::LoadReserved gem5::RiscvISA::StoreCond

Protected Member Functions

 RiscvMacroInst (const char *mnem, ExtMachInst _machInst, OpClass __opClass)
 
 ~RiscvMacroInst ()
 
StaticInstPtr fetchMicroop (MicroPC upc) const override
 Return the microop that goes with a particular micropc. More...
 
Fault initiateAcc (ExecContext *xc, Trace::InstRecord *traceData) const override
 
Fault completeAcc (PacketPtr pkt, ExecContext *xc, Trace::InstRecord *traceData) const override
 
Fault execute (ExecContext *xc, Trace::InstRecord *traceData) const override
 
- Protected Member Functions inherited from gem5::RiscvISA::RiscvStaticInst
 RiscvStaticInst (const char *_mnemonic, ExtMachInst _machInst, OpClass __opClass)
 
- 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...
 
virtual std::string generateDisassembly (Addr pc, const loader::SymbolTable *symtab) const =0
 Internal function to generate disassembly string. 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)
 

Protected Attributes

std::vector< StaticInstPtrmicroops
 
- 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...
 

Additional Inherited Members

- Public Types inherited from gem5::StaticInst
using RegIdArrayPtr = RegId(StaticInst::*)[]
 
- Public Member Functions inherited from gem5::RiscvISA::RiscvStaticInst
void advancePC (PCStateBase &pc) const override
 
void advancePC (ThreadContext *tc) const override
 
std::unique_ptr< PCStateBasebuildRetPC (const PCStateBase &cur_pc, const PCStateBase &call_pc) const override
 
size_t asBytes (void *buf, size_t size) override
 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::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 completeAcc (Packet *pkt, ExecContext *xc, Trace::InstRecord *trace_data) const
 
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...
 
- 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...
 
- Public Attributes inherited from gem5::RiscvISA::RiscvStaticInst
ExtMachInst machInst
 
- Static Public Attributes inherited from gem5::StaticInst
static StaticInstPtr nullStaticInstPtr
 Pointer to a statically allocated "null" instruction object. More...
 

Detailed Description

Base class for all RISC-V Macroops.

Definition at line 96 of file static_inst.hh.

Constructor & Destructor Documentation

◆ RiscvMacroInst()

gem5::RiscvISA::RiscvMacroInst::RiscvMacroInst ( const char *  mnem,
ExtMachInst  _machInst,
OpClass  __opClass 
)
inlineprotected

Definition at line 101 of file static_inst.hh.

References gem5::StaticInst::flags.

◆ ~RiscvMacroInst()

gem5::RiscvISA::RiscvMacroInst::~RiscvMacroInst ( )
inlineprotected

Definition at line 108 of file static_inst.hh.

References microops.

Member Function Documentation

◆ completeAcc()

Fault gem5::RiscvISA::RiscvMacroInst::completeAcc ( PacketPtr  pkt,
ExecContext xc,
Trace::InstRecord traceData 
) const
inlineoverrideprotected

Definition at line 123 of file static_inst.hh.

References panic.

◆ execute()

Fault gem5::RiscvISA::RiscvMacroInst::execute ( ExecContext xc,
Trace::InstRecord traceData 
) const
inlineoverrideprotectedvirtual

Implements gem5::StaticInst.

Definition at line 130 of file static_inst.hh.

References panic.

◆ fetchMicroop()

StaticInstPtr gem5::RiscvISA::RiscvMacroInst::fetchMicroop ( MicroPC  upc) const
inlineoverrideprotectedvirtual

Return the microop that goes with a particular micropc.

This should only be defined/used in macroops which will contain microops

Reimplemented from gem5::StaticInst.

Definition at line 111 of file static_inst.hh.

References microops.

◆ initiateAcc()

Fault gem5::RiscvISA::RiscvMacroInst::initiateAcc ( ExecContext xc,
Trace::InstRecord traceData 
) const
inlineoverrideprotectedvirtual

Reimplemented from gem5::StaticInst.

Definition at line 117 of file static_inst.hh.

References panic.

Member Data Documentation

◆ microops

std::vector<StaticInstPtr> gem5::RiscvISA::RiscvMacroInst::microops
protected

Definition at line 99 of file static_inst.hh.

Referenced by fetchMicroop(), and ~RiscvMacroInst().


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

Generated on Thu Jul 28 2022 13:34:14 for gem5 by doxygen 1.8.17