1/*
2 * Copyright (c) 2006-2007 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: Ali Saidi
29 *          Gabe Black
30 */
31
32#ifndef __ARCH_SPARC_INSTS_BLOCKMEM_HH__
33#define __ARCH_SPARC_INSTS_BLOCKMEM_HH__
34
35#include "arch/sparc/insts/micro.hh"
36
37namespace SparcISA
38{
39
40////////////////////////////////////////////////////////////////////
41//
42// Block Memory instructions
43//
44
45class BlockMem : public SparcMacroInst
46{
47  protected:
48    // We make the assumption that all block memory operations will take
49    // 8 instructions to execute.
50    BlockMem(const char *mnem, ExtMachInst _machInst) :
51        SparcMacroInst(mnem, _machInst, No_OpClass, 8)
52    {}
53};
54
55class BlockMemImm : public BlockMem
56{
57  protected:
58    using BlockMem::BlockMem;
59};
60
61class BlockMemMicro : public SparcMicroInst
62{
63  protected:
64    BlockMemMicro(const char *mnem, ExtMachInst _machInst,
65                  OpClass __opClass, int8_t _offset) :
66        SparcMicroInst(mnem, _machInst, __opClass), offset(_offset)
67    {}
68
69    std::string generateDisassembly(
70            Addr pc, const SymbolTable *symtab) const override;
71
72    const int8_t offset;
73};
74
75class BlockMemImmMicro : public BlockMemMicro
76{
77  protected:
78    BlockMemImmMicro(const char *mnem, ExtMachInst _machInst,
79                     OpClass __opClass, int8_t _offset) :
80        BlockMemMicro(mnem, _machInst, __opClass, _offset),
81        imm(sext<13>(bits(_machInst, 12, 0)))
82    {}
83
84    std::string generateDisassembly(
85            Addr pc, const SymbolTable *symtab) const override;
86
87    const int32_t imm;
88};
89
90}
91
92#endif // __ARCH_SPARC_INSTS_BLOCKMEM_HH__
93