types.hh revision 2428 
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;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef __ARCH_ALPHA_TYPES_HH__
30#define __ARCH_ALPHA_TYPES_HH__
31
32#include "config/full_system.hh"
33#include "sim/host.hh"
34
35namespace AlphaISA
36{
37
38    typedef uint32_t MachInst;
39    typedef uint64_t ExtMachInst;
40    typedef uint8_t  RegIndex;
41
42    // These enumerate all the registers for dependence tracking.
43    enum DependenceTags {
44        // 0..31 are the integer regs 0..31
45        // 32..63 are the FP regs 0..31, i.e. use (reg + FP_Base_DepTag)
46        FP_Base_DepTag = 40,
47        Ctrl_Base_DepTag = 72,
48        Fpcr_DepTag = 72,		// floating point control register
49        Uniq_DepTag = 73,
50        Lock_Flag_DepTag = 74,
51        Lock_Addr_DepTag = 75,
52        IPR_Base_DepTag = 76
53    };
54
55    typedef uint64_t IntReg;
56
57    // floating point register file entry type
58    typedef union {
59        uint64_t q;
60        double d;
61    } FloatReg;
62
63#if FULL_SYSTEM
64    typedef uint64_t InternalProcReg;
65#endif
66
67    // control register file contents
68    typedef uint64_t MiscReg;
69
70    typedef union {
71        IntReg  intreg;
72        FloatReg   fpreg;
73        MiscReg ctrlreg;
74    } AnyReg;
75
76    enum annotes {
77        ANNOTE_NONE = 0,
78        // An impossible number for instruction annotations
79        ITOUCH_ANNOTE = 0xffffffff,
80    };
81
82} // namespace AlphaISA
83
84#endif
85