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registers.hh
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28  * Authors: Gabe Black
29  * Ali Saidi
30  */
31 
32 #ifndef __ARCH_SPARC_REGISTERS_HH__
33 #define __ARCH_SPARC_REGISTERS_HH__
34 
35 #include "arch/sparc/generated/max_inst_regs.hh"
36 #include "arch/sparc/miscregs.hh"
38 #include "base/types.hh"
39 
40 namespace SparcISA
41 {
42 
44 using SparcISAInst::MaxInstDestRegs;
46 
47 typedef uint64_t IntReg;
48 typedef uint64_t MiscReg;
49 typedef float FloatReg;
50 typedef uint32_t FloatRegBits;
51 
52 // dummy typedef since we don't have CC regs
53 typedef uint8_t CCReg;
54 
55 typedef union
56 {
60 } AnyReg;
61 
62 typedef uint16_t RegIndex;
63 
64 // semantically meaningful register indices
65 const int ZeroReg = 0; // architecturally meaningful
66 // the rest of these depend on the ABI
67 const int ReturnAddressReg = 31; // post call, precall is 15
68 const int ReturnValueReg = 8; // Post return, 24 is pre-return.
69 const int StackPointerReg = 14;
70 const int FramePointerReg = 30;
71 
72 // Some OS syscall use a second register (o1) to return a second value
73 const int SyscallPseudoReturnReg = 9;
74 
75 const int NumIntArchRegs = 32;
76 const int NumIntRegs = (MaxGL + 1) * 8 + NWindows * 16 + NumMicroIntRegs;
77 const int NumCCRegs = 0;
78 
80 
81 // These enumerate all the registers for dependence tracking.
85  Misc_Reg_Base = CC_Reg_Base + NumCCRegs, // NumCCRegs == 0
87 };
88 
89 } // namespace SparcISA
90 
91 #endif
const int SyscallPseudoReturnReg
Definition: registers.hh:73
const int ZeroReg
Definition: registers.hh:65
const int TotalNumRegs
Definition: registers.hh:79
uint16_t RegIndex
Definition: registers.hh:62
const int NumMiscRegs
Definition: miscregs.hh:158
const int NumIntRegs
Definition: registers.hh:76
const int MaxGL
Definition: sparc_traits.hh:39
const int NumFloatRegs
Definition: sparc_traits.hh:50
float FloatReg
Definition: registers.hh:49
const int ReturnAddressReg
Definition: registers.hh:67
const int MaxInstSrcRegs
Definition: registers.hh:56
DependenceTags
Definition: registers.hh:82
const int MaxMiscDestRegs
Definition: registers.hh:61
const int NumIntArchRegs
Definition: registers.hh:75
Defines global host-dependent types: Counter, Tick, and (indirectly) {int,uint}{8,16,32,64}_t.
uint8_t CCReg
Definition: registers.hh:53
const int FramePointerReg
Definition: registers.hh:70
MiscReg ctrlreg
Definition: registers.hh:59
const int NWindows
Definition: sparc_traits.hh:43
uint64_t MiscReg
Definition: registers.hh:48
const int StackPointerReg
Definition: registers.hh:69
const int NumMicroIntRegs
Definition: sparc_traits.hh:45
const int NumCCRegs
Definition: registers.hh:77
uint32_t FloatRegBits
Definition: registers.hh:50
uint64_t IntReg
Definition: registers.hh:47
FloatReg fpreg
Definition: registers.hh:58
const int ReturnValueReg
Definition: registers.hh:68

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