amo.isa (12236:126ac9da6050) amo.isa (12323:55d08b81ff39)
1// -*- mode:c++ -*-
2
3// Copyright (c) 2015 Riscv Developers
4// Copyright (c) 2016 The University of Virginia
5// All rights reserved.
6//
7// Redistribution and use in source and binary forms, with or without
8// modification, are permitted provided that the following conditions are

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28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29//
30// Authors: Alec Roelke
31
32////////////////////////////////////////////////////////////////////
33//
34// Atomic memory operation instructions
35//
1// -*- mode:c++ -*-
2
3// Copyright (c) 2015 Riscv Developers
4// Copyright (c) 2016 The University of Virginia
5// All rights reserved.
6//
7// Redistribution and use in source and binary forms, with or without
8// modification, are permitted provided that the following conditions are

--- 19 unchanged lines hidden (view full) ---

28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29//
30// Authors: Alec Roelke
31
32////////////////////////////////////////////////////////////////////
33//
34// Atomic memory operation instructions
35//
36output header {{
37 class LoadReserved : public RiscvStaticInst
38 {
39 protected:
40 Request::Flags memAccessFlags;
41
42 LoadReserved(const char *mnem, ExtMachInst _machInst,
43 OpClass __opClass)
44 : RiscvStaticInst(mnem, _machInst, __opClass)
45 {}
46
47 std::string
48 generateDisassembly(Addr pc, const SymbolTable *symtab) const;
49 };
50
51 class StoreCond : public RiscvStaticInst
52 {
53 protected:
54 Request::Flags memAccessFlags;
55
56 StoreCond(const char* mnem, ExtMachInst _machInst, OpClass __opClass)
57 : RiscvStaticInst(mnem, _machInst, __opClass)
58 {}
59
60 std::string
61 generateDisassembly(Addr pc, const SymbolTable *symtab) const;
62 };
63
64 class AtomicMemOp : public RiscvMacroInst
65 {
66 protected:
67 /// Constructor
68 // Each AtomicMemOp has a load and a store phase
69 AtomicMemOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass)
70 : RiscvMacroInst(mnem, _machInst, __opClass)
71 {}
72
73 std::string generateDisassembly(Addr pc,
74 const SymbolTable *symtab) const;
75 };
76
77 class AtomicMemOpMicro : public RiscvMicroInst
78 {
79 protected:
80 /// Memory request flags. See mem/request.hh.
81 Request::Flags memAccessFlags;
82
83 /// Constructor
84 AtomicMemOpMicro(const char *mnem, ExtMachInst _machInst,
85 OpClass __opClass)
86 : RiscvMicroInst(mnem, _machInst, __opClass)
87 {}
88
89 std::string generateDisassembly(Addr pc,
90 const SymbolTable *symtab) const;
91 };
92}};
93
94output decoder {{
95 std::string LoadReserved::generateDisassembly(Addr pc,
96 const SymbolTable *symtab) const
97 {
98 std::stringstream ss;
99 ss << mnemonic << ' ' << registerName(_destRegIdx[0]) << ", ("
100 << registerName(_srcRegIdx[0]) << ')';
101 return ss.str();
102 }
103
104 std::string StoreCond::generateDisassembly(Addr pc,
105 const SymbolTable *symtab) const
106 {
107 std::stringstream ss;
108 ss << mnemonic << ' ' << registerName(_destRegIdx[0]) << ", "
109 << registerName(_srcRegIdx[1]) << ", ("
110 << registerName(_srcRegIdx[0]) << ')';
111 return ss.str();
112 }
113
114 std::string AtomicMemOp::generateDisassembly(Addr pc,
115 const SymbolTable *symtab) const
116 {
117 std::stringstream ss;
118 ss << mnemonic << ' ' << registerName(_destRegIdx[0]) << ", "
119 << registerName(_srcRegIdx[1]) << ", ("
120 << registerName(_srcRegIdx[0]) << ')';
121 return ss.str();
122 }
123
124 std::string AtomicMemOpMicro::generateDisassembly(Addr pc,
125 const SymbolTable *symtab) const
126 {
127 std::stringstream ss;
128 ss << csprintf("0x%08x", machInst) << ' ' << mnemonic;
129 return ss.str();
130 }
131}};
132
133def template AtomicMemOpDeclare {{
134 /**
135 * Static instruction class for an AtomicMemOp operation
136 */
137 class %(class_name)s : public %(base_class)s
138 {
139 public:
140 // Constructor

--- 360 unchanged lines hidden --- 		36def template AtomicMemOpDeclare {{
37 /**
38 * Static instruction class for an AtomicMemOp operation
39 */
40 class %(class_name)s : public %(base_class)s
41 {
42 public:
43 // Constructor

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