gem5  v22.1.0.0
emulenv.hh
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37 
38 #ifndef __ARCH_X86_EMULENV_HH__
39 #define __ARCH_X86_EMULENV_HH__
40 
41 #include "arch/x86/regs/int.hh"
42 #include "arch/x86/regs/segment.hh"
43 #include "arch/x86/types.hh"
44 
45 namespace gem5
46 {
47 
48 namespace X86ISA
49 {
50  struct EmulEnv
51  {
54  int seg;
55  uint8_t scale;
58  int dataSize;
60  int stackSize;
61 
62  EmulEnv(RegIndex _reg, RegIndex _regm,
63  int _dataSize, int _addressSize, int _stackSize) :
64  reg(_reg), regm(_regm), seg(segment_idx::Ds),
65  scale(0), index(int_reg::T0),
66  base(int_reg::T0),
67  dataSize(_dataSize), addressSize(_addressSize),
68  stackSize(_stackSize)
69  {;}
70 
71  void doModRM(const ExtMachInst & machInst);
72  void setSeg(const ExtMachInst & machInst);
73  };
74 
75 } // namespace X86ISA
76 } // namespace gem5
77 
78 #endif // __ARCH_X86_TYPES_HH__
Register ID: describe an architectural register with its class and index.
Definition: reg_class.hh:91
constexpr RegId T0
Definition: int.hh:146
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
uint16_t RegIndex
Definition: types.hh:176
EmulEnv(RegIndex _reg, RegIndex _regm, int _dataSize, int _addressSize, int _stackSize)
Definition: emulenv.hh:62
void doModRM(const ExtMachInst &machInst)
Definition: emulenv.cc:49
void setSeg(const ExtMachInst &machInst)
Definition: emulenv.cc:117

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