1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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29 */
30
31#ifndef __ARCH_ALPHA_REGISTERS_HH__
32#define __ARCH_ALPHA_REGISTERS_HH__
33
34#include "arch/alpha/generated/max_inst_regs.hh"
35#include "arch/alpha/ipr.hh"
36#include "arch/generic/types.hh"
37#include "arch/generic/vec_pred_reg.hh"
38#include "arch/generic/vec_reg.hh"
39#include "base/types.hh"
40
41namespace AlphaISA {
42
43using AlphaISAInst::MaxInstSrcRegs;
44using AlphaISAInst::MaxInstDestRegs;
45

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52typedef RegVal FloatRegBits;
53
54// control register file contents
55typedef RegVal MiscReg;
56
57// dummy typedef since we don't have CC regs
58typedef uint8_t CCReg;
59
60// Not applicable to Alpha
61using VecElem = ::DummyVecElem;
62using VecReg = ::DummyVecReg;
63using ConstVecReg = ::DummyConstVecReg;
64using VecRegContainer = ::DummyVecRegContainer;
65constexpr unsigned NumVecElemPerVecReg = ::DummyNumVecElemPerVecReg;
66constexpr size_t VecRegSizeBytes = ::DummyVecRegSizeBytes;
67
68// Not applicable to Alpha
69using VecPredReg = ::DummyVecPredReg;
70using ConstVecPredReg = ::DummyConstVecPredReg;
71using VecPredRegContainer = ::DummyVecPredRegContainer;
72constexpr size_t VecPredRegSizeBits = ::DummyVecPredRegSizeBits;
73constexpr bool VecPredRegHasPackedRepr = ::DummyVecPredRegHasPackedRepr;
74
75enum MiscRegIndex
76{
77 MISCREG_FPCR = NumInternalProcRegs,
78 MISCREG_UNIQ,
79 MISCREG_LOCKFLAG,
80 MISCREG_LOCKADDR,
81 MISCREG_INTR,
82 NUM_MISCREGS

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98const RegIndex SyscallSuccessReg = 19;
99
100const int NumIntArchRegs = 32;
101const int NumPALShadowRegs = 8;
102const int NumFloatArchRegs = 32;
103
104const int NumIntRegs = NumIntArchRegs + NumPALShadowRegs;
105const int NumFloatRegs = NumFloatArchRegs;
106const int NumVecRegs = 1; // Not applicable to Alpha
107 // (1 to prevent warnings)
108const int NumVecPredRegs = 1; // Not applicable to Alpha
109 // (1 to prevent warnings)
110const int NumCCRegs = 0;
111const int NumMiscRegs = NUM_MISCREGS;
112
113const int TotalNumRegs =
114 NumIntRegs + NumFloatRegs + NumMiscRegs;
115
116} // namespace AlphaISA
117
118#endif // __ARCH_ALPHA_REGFILE_HH__