gem5  v22.1.0.0
nop.hh
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28 
29 #ifndef __ARCH_SPARC_INSTS_NOP_HH__
30 #define __ARCH_SPARC_INSTS_NOP_HH__
31 
33 
34 namespace gem5
35 {
36 
37 namespace SparcISA
38 {
39 
41 //
42 // Nop instruction
43 //
44 
48 class Nop : public SparcStaticInst
49 {
50  public:
51  // Constructor
52  Nop(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
53  SparcStaticInst(mnem, _machInst, __opClass)
54  {
55  flags[IsNop] = true;
56  }
57 
58  Fault
59  execute(ExecContext *xc, trace::InstRecord *traceData) const override
60  {
61  return NoFault;
62  }
63 
64  std::string
66  Addr pc, const loader::SymbolTable *symtab) const override
67  {
68  std::stringstream response;
69  printMnemonic(response, mnemonic);
70  return response.str();
71  }
72 };
73 
74 } // namespace SparcISA
75 } // namespace gem5
76 
77 #endif // __ARCH_SPARC_INSTS_NOP_HH__
The ExecContext is an abstract base class the provides the interface used by the ISA to manipulate th...
Definition: exec_context.hh:72
Nop class.
Definition: nop.hh:49
Nop(const char *mnem, ExtMachInst _machInst, OpClass __opClass)
Definition: nop.hh:52
std::string generateDisassembly(Addr pc, const loader::SymbolTable *symtab) const override
Internal function to generate disassembly string.
Definition: nop.hh:65
Fault execute(ExecContext *xc, trace::InstRecord *traceData) const override
Definition: nop.hh:59
Base class for all SPARC static instructions.
Definition: static_inst.hh:94
static void printMnemonic(std::ostream &os, const char *mnemonic)
Definition: static_inst.cc:64
const char * mnemonic
Base mnemonic (e.g., "add").
Definition: static_inst.hh:259
std::bitset< Num_Flags > flags
Flag values for this instruction.
Definition: static_inst.hh:103
Bitfield< 4 > pc
uint64_t ExtMachInst
Definition: types.hh:42
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
std::shared_ptr< FaultBase > Fault
Definition: types.hh:248
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147
constexpr decltype(nullptr) NoFault
Definition: types.hh:253

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