gem5  v21.1.0.2
unimp.hh
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28 
29 #ifndef __ARCH_SPARC_INSTS_UNIMP_HH__
30 #define __ARCH_SPARC_INSTS_UNIMP_HH__
31 
32 #include <memory>
33 
36 #include "base/cprintf.hh"
37 
38 namespace gem5
39 {
40 
41 namespace SparcISA
42 {
43 
45 //
46 // Unimplemented instructions
47 //
48 
57 {
58  public:
60  FailUnimplemented(const char *_mnemonic, ExtMachInst _machInst) :
61  SparcStaticInst(_mnemonic, _machInst, No_OpClass)
62  {}
63 
64  Fault
65  execute(ExecContext *xc, Trace::InstRecord *traceData) const override
66  {
67  return std::make_shared<GenericISA::M5PanicFault>(
68  "attempt to execute unimplemented instruction '%s' (inst %#08x)",
70  }
71 
72  std::string
74  Addr pc, const loader::SymbolTable *symtab) const override
75  {
76  return csprintf("%-10s (unimplemented)", mnemonic);
77  }
78 };
79 
90 {
91  private:
93  mutable bool warned;
94 
95  public:
97  WarnUnimplemented(const char *_mnemonic, ExtMachInst _machInst) :
98  SparcStaticInst(_mnemonic, _machInst, No_OpClass), warned(false)
99  {}
100 
101  Fault
102  execute(ExecContext *xc, Trace::InstRecord *traceData) const override
103  {
104  if (!warned) {
105  return std::make_shared<GenericISA::M5WarnFault>(
106  "instruction '%s' unimplemented\n", mnemonic);
107  warned = true;
108  }
109  return NoFault;
110  }
111 
112  std::string
114  Addr pc, const loader::SymbolTable *symtab) const override
115  {
116  return csprintf("%-10s (unimplemented)", mnemonic);
117  }
118 };
119 
120 } // namespace SparcISA
121 } // namespace gem5
122 
123 #endif // __ARCH_SPARC_INSTS_UNIMP_HH__
gem5::NoFault
constexpr decltype(nullptr) NoFault
Definition: types.hh:260
gem5::SparcISA::SparcStaticInst
Base class for all SPARC static instructions.
Definition: static_inst.hh:91
gem5::SparcISA::ExtMachInst
uint64_t ExtMachInst
Definition: types.hh:42
gem5::SparcISA::WarnUnimplemented::warned
bool warned
Have we warned on this instruction yet?
Definition: unimp.hh:93
gem5::loader::SymbolTable
Definition: symtab.hh:65
gem5::csprintf
std::string csprintf(const char *format, const Args &...args)
Definition: cprintf.hh:161
gem5::SparcISA::SparcStaticInst::machInst
ExtMachInst machInst
Definition: static_inst.hh:94
gem5::SparcISA::WarnUnimplemented::WarnUnimplemented
WarnUnimplemented(const char *_mnemonic, ExtMachInst _machInst)
Constructor.
Definition: unimp.hh:97
gem5::Fault
std::shared_ptr< FaultBase > Fault
Definition: types.hh:255
cprintf.hh
gem5::Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147
gem5::SparcISA::FailUnimplemented::FailUnimplemented
FailUnimplemented(const char *_mnemonic, ExtMachInst _machInst)
Constructor.
Definition: unimp.hh:60
gem5::SparcISA::FailUnimplemented
Static instruction class for unimplemented instructions that cause simulator termination.
Definition: unimp.hh:56
gem5::SparcISA::FailUnimplemented::generateDisassembly
std::string generateDisassembly(Addr pc, const loader::SymbolTable *symtab) const override
Internal function to generate disassembly string.
Definition: unimp.hh:73
gem5::SparcISA::WarnUnimplemented::generateDisassembly
std::string generateDisassembly(Addr pc, const loader::SymbolTable *symtab) const override
Internal function to generate disassembly string.
Definition: unimp.hh:113
gem5::SparcISA::FailUnimplemented::execute
Fault execute(ExecContext *xc, Trace::InstRecord *traceData) const override
Definition: unimp.hh:65
gem5::SparcISA::WarnUnimplemented
Base class for unimplemented instructions that cause a warning to be printed (but do not terminate si...
Definition: unimp.hh:89
static_inst.hh
gem5::MipsISA::pc
Bitfield< 4 > pc
Definition: pra_constants.hh:243
gem5::SparcISA::WarnUnimplemented::execute
Fault execute(ExecContext *xc, Trace::InstRecord *traceData) const override
Definition: unimp.hh:102
gem5::ExecContext
The ExecContext is an abstract base class the provides the interface used by the ISA to manipulate th...
Definition: exec_context.hh:73
gem5::Trace::InstRecord
Definition: insttracer.hh:58
debugfaults.hh
gem5::StaticInst::mnemonic
const char * mnemonic
Base mnemonic (e.g., "add").
Definition: static_inst.hh:281
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: decoder.cc:40

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