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 * Authors: Nathan Binkert
29 *          Steve Reinhardt
30 */
31
32#ifndef __ARCH_ALPHA_TYPES_HH__
33#define __ARCH_ALPHA_TYPES_HH__
34
35#include "arch/generic/types.hh"
36#include "base/types.hh"
37
38namespace AlphaISA {
39
40typedef uint32_t MachInst;
41typedef uint64_t ExtMachInst;
42
43typedef GenericISA::SimplePCState<MachInst> PCState;
44
45enum annotes
46{
47    ANNOTE_NONE = 0,
48    // An impossible number for instruction annotations
49    ITOUCH_ANNOTE = 0xffffffff
50};
51
52/**
53 * Alpha-specific memory request flags
54 *
55 * These flags map to the architecture-specific lower 8 bits of the
56 * flags field in Request.
57 */
58struct AlphaRequestFlags
59{
60    typedef uint8_t ArchFlagsType;
61
62    /** The request is an ALPHA VPTE pal access (hw_ld). */
63    static const ArchFlagsType VPTE    = 0x01;
64    /** Use the alternate mode bits in ALPHA. */
65    static const ArchFlagsType ALTMODE = 0x02;
66};
67
68} // namespace AlphaISA
69
70#endif // __ARCH_ALPHA_TYPES_HH__
71