1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated

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44#include "arch/x86/ldstflags.hh"
45#include "mem/packet.hh"
46#include "mem/request.hh"
47#include "sim/faults.hh"
48
49namespace X86ISA
50{
51 /**
52 * Base class for load and store ops
53 */
54 class LdStOp : public X86MicroopBase
55 {
56 protected:
57 const uint8_t scale;
58 const RegIndex index;
59 const RegIndex base;
60 const uint64_t disp;
61 const uint8_t segment;
62 const RegIndex data;
63 const uint8_t dataSize;
64 const uint8_t addressSize;
65 const Request::FlagsType memFlags;
66 RegIndex foldOBit, foldABit;
67
68 //Constructor
69 LdStOp(ExtMachInst _machInst,
70 const char * mnem, const char * _instMnem,
71 uint64_t setFlags,
72 uint8_t _scale, InstRegIndex _index, InstRegIndex _base,
73 uint64_t _disp, InstRegIndex _segment,
74 InstRegIndex _data,
75 uint8_t _dataSize, uint8_t _addressSize,
76 Request::FlagsType _memFlags,
77 OpClass __opClass) :
78 X86MicroopBase(_machInst, mnem, _instMnem, setFlags, __opClass),
79 scale(_scale), index(_index.idx), base(_base.idx),
80 disp(_disp), segment(_segment.idx),
81 data(_data.idx),
82 dataSize(_dataSize), addressSize(_addressSize),
83 memFlags(_memFlags | _segment.idx)
84 {
85 assert(_segment.idx < NUM_SEGMENTREGS);
86 foldOBit = (dataSize == 1 && !_machInst.rex.present) ? 1 << 6 : 0;
87 foldABit =
88 (addressSize == 1 && !_machInst.rex.present) ? 1 << 6 : 0;
89 }
90
91 std::string generateDisassembly(Addr pc,
92 const SymbolTable *symtab) const;
93 };
94}
95
96#endif //__ARCH_X86_INSTS_MICROLDSTOP_HH__