gem5  v21.1.0.2
macroop.hh
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37 
38 #ifndef __ARCH_X86_INSTS_MACROOP_HH__
39 #define __ARCH_X86_INSTS_MACROOP_HH__
40 
43 #include "arch/x86/emulenv.hh"
44 #include "arch/x86/types.hh"
45 
46 namespace gem5
47 {
48 
49 namespace X86ISA
50 {
51 // Base class for combinationally generated macroops
52 class MacroopBase : public X86StaticInst
53 {
54  protected:
55  const char *macrocodeBlock;
56 
57  const uint32_t numMicroops;
59 
60  //Constructor.
61  MacroopBase(const char *mnem, ExtMachInst _machInst,
62  uint32_t _numMicroops, X86ISA::EmulEnv _env) :
63  X86StaticInst(mnem, _machInst, No_OpClass),
64  numMicroops(_numMicroops), env(_env)
65  {
66  assert(numMicroops);
68  flags[IsMacroop] = true;
69  }
70 
72  {
73  delete [] microops;
74  }
75 
77 
79  fetchMicroop(MicroPC microPC) const override
80  {
81  if (microPC >= numMicroops)
82  return badMicroop;
83  else
84  return microops[microPC];
85  }
86 
87  std::string
89  const loader::SymbolTable *symtab) const override
90  {
91  return mnemonic;
92  }
93 
94  public:
97  {
98  return machInst;
99  }
100 
103  {
104  return env;
105  }
106 };
107 
108 } // namespace X86ISA
109 } // namespace gem5
110 
111 #endif //__ARCH_X86_INSTS_MACROOP_HH__
gem5::X86ISA::pc
Bitfield< 19 > pc
Definition: misc.hh:811
static_inst.hh
gem5::X86ISA::EmulEnv
Definition: emulenv.hh:50
gem5::X86ISA::MacroopBase::~MacroopBase
~MacroopBase()
Definition: macroop.hh:71
gem5::X86ISA::MacroopBase::microops
StaticInstPtr * microops
Definition: macroop.hh:76
gem5::loader::SymbolTable
Definition: symtab.hh:65
gem5::X86ISA::MacroopBase::getEmulEnv
X86ISA::EmulEnv getEmulEnv()
Definition: macroop.hh:102
gem5::X86ISA::badMicroop
const StaticInstPtr badMicroop
Definition: badmicroop.cc:59
gem5::X86ISA::MacroopBase::getExtMachInst
ExtMachInst getExtMachInst()
Definition: macroop.hh:96
gem5::RefCountingPtr< StaticInst >
gem5::X86ISA::MacroopBase
Definition: macroop.hh:52
gem5::X86ISA::MacroopBase::env
X86ISA::EmulEnv env
Definition: macroop.hh:58
gem5::MicroPC
uint16_t MicroPC
Definition: types.hh:149
gem5::StaticInst::flags
std::bitset< Num_Flags > flags
Flag values for this instruction.
Definition: static_inst.hh:103
gem5::X86ISA::MacroopBase::fetchMicroop
StaticInstPtr fetchMicroop(MicroPC microPC) const override
Return the microop that goes with a particular micropc.
Definition: macroop.hh:79
gem5::X86ISA::MacroopBase::MacroopBase
MacroopBase(const char *mnem, ExtMachInst _machInst, uint32_t _numMicroops, X86ISA::EmulEnv _env)
Definition: macroop.hh:61
gem5::Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147
gem5::X86ISA::MacroopBase::macrocodeBlock
const char * macrocodeBlock
Definition: macroop.hh:55
gem5::X86ISA::ExtMachInst
Definition: types.hh:206
badmicroop.hh
gem5::X86ISA::X86StaticInst
Base class for all X86 static instructions.
Definition: static_inst.hh:97
emulenv.hh
gem5::X86ISA::MacroopBase::generateDisassembly
std::string generateDisassembly(Addr pc, const loader::SymbolTable *symtab) const override
Internal function to generate disassembly string.
Definition: macroop.hh:88
gem5::X86ISA::X86StaticInst::machInst
ExtMachInst machInst
Definition: static_inst.hh:115
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
types.hh
gem5::X86ISA::MacroopBase::numMicroops
const uint32_t numMicroops
Definition: macroop.hh:57

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