gem5  v20.1.0.0
mem.hh
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28 
29 #ifndef __ARCH_SPARC_INSTS_MEM_HH__
30 #define __ARCH_SPARC_INSTS_MEM_HH__
31 
33 
34 namespace SparcISA
35 {
36 
38 //
39 // Mem utility templates and functions
40 //
41 
45 class Mem : public SparcStaticInst
46 {
47  protected:
48  using SparcStaticInst::SparcStaticInst;
49 
50  std::string generateDisassembly(
51  Addr pc, const Loader::SymbolTable *symtab) const override;
52 };
53 
57 class MemImm : public Mem
58 {
59  protected:
60 
61  // Constructor
62  MemImm(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
63  Mem(mnem, _machInst, __opClass), imm(sext<13>(bits(_machInst, 12, 0)))
64  {}
65 
66  std::string generateDisassembly(
67  Addr pc, const Loader::SymbolTable *symtab) const override;
68 
69  const int32_t imm;
70 };
71 
72 }
73 
74 #endif // __ARCH_SPARC_INSTS_MEM_HH__
SparcISA::MemImm::imm
const int32_t imm
Definition: mem.hh:69
Loader::SymbolTable
Definition: symtab.hh:59
sext
uint64_t sext(uint64_t val)
Sign-extend an N-bit value to 64 bits.
Definition: bitfield.hh:126
SparcISA
Definition: asi.cc:31
MipsISA::pc
Bitfield< 4 > pc
Definition: pra_constants.hh:240
SparcISA::MemImm
Class for memory operations which use an immediate offset.
Definition: mem.hh:57
StaticInst::ExtMachInst
TheISA::ExtMachInst ExtMachInst
Binary extended machine instruction type.
Definition: static_inst.hh:89
SparcISA::MemImm::MemImm
MemImm(const char *mnem, ExtMachInst _machInst, OpClass __opClass)
Definition: mem.hh:62
SparcISA::MemImm::generateDisassembly
std::string generateDisassembly(Addr pc, const Loader::SymbolTable *symtab) const override
Internal function to generate disassembly string.
Definition: mem.cc:62
Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:142
SparcISA::Mem
Base class for memory operations.
Definition: mem.hh:45
SparcISA::SparcStaticInst
Base class for all SPARC static instructions.
Definition: static_inst.hh:87
SparcISA::Mem::generateDisassembly
std::string generateDisassembly(Addr pc, const Loader::SymbolTable *symtab) const override
Internal function to generate disassembly string.
Definition: mem.cc:35
static_inst.hh
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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