gem5  v20.1.0.0
trap.hh
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28 
30 //
31 // Trap instructions
32 //
33 
34 #ifndef __ARCH_SPARC_INSTS_TRAP_HH__
35 #define __ARCH_SPARC_INSTS_TRAP_HH__
36 
38 
39 namespace SparcISA
40 {
41 
46 class Trap : public SparcStaticInst
47 {
48  protected:
49 
50  // Constructor
51  Trap(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
52  SparcStaticInst(mnem, _machInst, __opClass),
53  trapNum(bits(_machInst, 7, 0))
54  {}
55 
56  std::string generateDisassembly(
57  Addr pc, const Loader::SymbolTable *symtab) const override;
58 
59  int trapNum;
60 };
61 
62 class FpUnimpl : public SparcStaticInst
63 {
64  protected:
65  using SparcStaticInst::SparcStaticInst;
66 
67  std::string
69  Addr pc, const Loader::SymbolTable *symtab) const override
70  {
71  return mnemonic;
72  }
73 };
74 
75 }
76 
77 #endif // __ARCH_SPARC_INSTS_TRAP_HH__
SparcISA::FpUnimpl::generateDisassembly
std::string generateDisassembly(Addr pc, const Loader::SymbolTable *symtab) const override
Internal function to generate disassembly string.
Definition: trap.hh:68
Loader::SymbolTable
Definition: symtab.hh:59
SparcISA::Trap::trapNum
int trapNum
Definition: trap.hh:59
SparcISA
Definition: asi.cc:31
SparcISA::FpUnimpl
Definition: trap.hh:62
MipsISA::pc
Bitfield< 4 > pc
Definition: pra_constants.hh:240
StaticInst::mnemonic
const char * mnemonic
Base mnemonic (e.g., "add").
Definition: static_inst.hh:258
StaticInst::ExtMachInst
TheISA::ExtMachInst ExtMachInst
Binary extended machine instruction type.
Definition: static_inst.hh:89
Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:142
SparcISA::SparcStaticInst
Base class for all SPARC static instructions.
Definition: static_inst.hh:87
SparcISA::Trap::Trap
Trap(const char *mnem, ExtMachInst _machInst, OpClass __opClass)
Definition: trap.hh:51
static_inst.hh
SparcISA::Trap
Base class for trap instructions, or instructions that always fault.
Definition: trap.hh:46
SparcISA::Trap::generateDisassembly
std::string generateDisassembly(Addr pc, const Loader::SymbolTable *symtab) const override
Internal function to generate disassembly string.
Definition: trap.cc:35
bits
T bits(T val, int first, int last)
Extract the bitfield from position 'first' to 'last' (inclusive) from 'val' and right justify it.
Definition: bitfield.hh:75

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