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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63 enum DependenceTags {
64 FP_Base_DepTag = 32*3+9,
65 Ctrl_Base_DepTag = FP_Base_DepTag + 64
66 };
67
68 // semantically meaningful register indices
69 const int ZeroReg = 0; // architecturally meaningful
70 // the rest of these depend on the ABI
71 const int ReturnAddressReg = 31; // post call, precall is 15
72 const int StackPointerReg = 14;
73 const int FramePointerReg = 30;
74
75 // Some OS syscall use a second register (o1) to return a second value
76 const int SyscallPseudoReturnReg = 9;
77
78 //8K. This value is implmentation specific; and should probably
79 //be somewhere else.
80 const int LogVMPageSize = 13;
81 const int VMPageSize = (1 << LogVMPageSize);
82
83 // real address virtual mapping
84 // sort of like alpha super page, but less frequently used

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