mem.hh revision 12616:4b463b4dc098 
1/*
2 * Copyright (c) 2009 The University of Edinburgh
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: Timothy M. Jones
29 */
30
31#ifndef __ARCH_POWER_MEM_HH__
32#define __ARCH_POWER_MEM_HH__
33
34#include "arch/power/insts/static_inst.hh"
35
36namespace PowerISA
37{
38
39/**
40 * Base class for memory operations.
41 */
42class MemOp : public PowerStaticInst
43{
44  protected:
45
46    /// Memory request flags.  See mem_req_base.hh.
47    unsigned memAccessFlags;
48
49    /// Constructor
50    MemOp(const char *mnem, MachInst _machInst, OpClass __opClass)
51      : PowerStaticInst(mnem, _machInst, __opClass),
52        memAccessFlags(0)
53    {
54    }
55
56    std::string generateDisassembly(
57            Addr pc, const SymbolTable *symtab) const override;
58};
59
60
61/**
62 * Class for memory operations with displacement.
63 */
64class MemDispOp : public MemOp
65{
66  protected:
67
68    int16_t disp;
69
70    /// Constructor
71    MemDispOp(const char *mnem, MachInst _machInst, OpClass __opClass)
72      : MemOp(mnem, _machInst, __opClass), disp(machInst.d)
73    {
74    }
75
76    std::string generateDisassembly(
77            Addr pc, const SymbolTable *symtab) const override;
78};
79
80} // namespace PowerISA
81
82#endif //__ARCH_POWER_INSTS_MEM_HH__
83