integerop.isa (12234:78ece221f9f5) integerop.isa (12295:4fc6c59aa554)
1// Copyright (c) 2006-2007 The Regents of The University of Michigan
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met: redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer;
8// redistributions in binary form must reproduce the above copyright

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28// Gabe Black
29// Steve Reinhardt
30
31////////////////////////////////////////////////////////////////////
32//
33// Integer operate instructions
34//
35
1// Copyright (c) 2006-2007 The Regents of The University of Michigan
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met: redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer;
8// redistributions in binary form must reproduce the above copyright

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

28// Gabe Black
29// Steve Reinhardt
30
31////////////////////////////////////////////////////////////////////
32//
33// Integer operate instructions
34//
35
36output header {{
37 /**
38 * Base class for integer operations.
39 */
40 class IntOp : public SparcStaticInst
41 {
42 protected:
43 // Constructor
44 IntOp(const char *mnem, ExtMachInst _machInst,
45 OpClass __opClass) :
46 SparcStaticInst(mnem, _machInst, __opClass)
47 {
48 }
49
50 std::string generateDisassembly(Addr pc,
51 const SymbolTable *symtab) const;
52
53 virtual bool printPseudoOps(std::ostream &os, Addr pc,
54 const SymbolTable *symtab) const;
55 };
56
57 /**
58 * Base class for immediate integer operations.
59 */
60 class IntOpImm : public IntOp
61 {
62 protected:
63 // Constructor
64 IntOpImm(const char *mnem, ExtMachInst _machInst,
65 OpClass __opClass) :
66 IntOp(mnem, _machInst, __opClass)
67 {
68 }
69
70 int64_t imm;
71
72 std::string generateDisassembly(Addr pc,
73 const SymbolTable *symtab) const;
74
75 virtual bool printPseudoOps(std::ostream &os, Addr pc,
76 const SymbolTable *symtab) const;
77 };
78
79 /**
80 * Base class for 10 bit immediate integer operations.
81 */
82 class IntOpImm10 : public IntOpImm
83 {
84 protected:
85 // Constructor
86 IntOpImm10(const char *mnem, ExtMachInst _machInst,
87 OpClass __opClass) :
88 IntOpImm(mnem, _machInst, __opClass)
89 {
90 imm = sext<10>(SIMM10);
91 }
92 };
93
94 /**
95 * Base class for 11 bit immediate integer operations.
96 */
97 class IntOpImm11 : public IntOpImm
98 {
99 protected:
100 // Constructor
101 IntOpImm11(const char *mnem, ExtMachInst _machInst,
102 OpClass __opClass) :
103 IntOpImm(mnem, _machInst, __opClass)
104 {
105 imm = sext<11>(SIMM11);
106 }
107 };
108
109 /**
110 * Base class for 13 bit immediate integer operations.
111 */
112 class IntOpImm13 : public IntOpImm
113 {
114 protected:
115 // Constructor
116 IntOpImm13(const char *mnem, ExtMachInst _machInst,
117 OpClass __opClass) :
118 IntOpImm(mnem, _machInst, __opClass)
119 {
120 imm = sext<13>(SIMM13);
121 }
122 };
123
124 /**
125 * Base class for sethi.
126 */
127 class SetHi : public IntOpImm
128 {
129 protected:
130 // Constructor
131 SetHi(const char *mnem, ExtMachInst _machInst,
132 OpClass __opClass) :
133 IntOpImm(mnem, _machInst, __opClass)
134 {
135 imm = (IMM22 & 0x3FFFFF) << 10;
136 }
137
138 std::string generateDisassembly(Addr pc,
139 const SymbolTable *symtab) const;
140 };
141}};
142
143def template SetHiDecode {{
144 {
145 if (RD == 0 && IMM22 == 0)
146 return (SparcStaticInst *)(new Nop("nop", machInst, No_OpClass));
147 else
148 return (SparcStaticInst *)(new %(class_name)s(machInst));
149 }
150}};
151
36def template SetHiDecode {{
37 {
38 if (RD == 0 && IMM22 == 0)
39 return (SparcStaticInst *)(new Nop("nop", machInst, No_OpClass));
40 else
41 return (SparcStaticInst *)(new %(class_name)s(machInst));
42 }
43}};
44
152output decoder {{
153
154 bool
155 IntOp::printPseudoOps(std::ostream &os, Addr pc,
156 const SymbolTable *symbab) const
157 {
158 if (!std::strcmp(mnemonic, "or") && _srcRegIdx[0].index() == 0) {
159 printMnemonic(os, "mov");
160 printSrcReg(os, 1);
161 ccprintf(os, ", ");
162 printDestReg(os, 0);
163 return true;
164 }
165 return false;
166 }
167
168 bool
169 IntOpImm::printPseudoOps(std::ostream &os, Addr pc,
170 const SymbolTable *symbab) const
171 {
172 if (!std::strcmp(mnemonic, "or")) {
173 if (_numSrcRegs > 0 && _srcRegIdx[0].index() == 0) {
174 if (imm == 0) {
175 printMnemonic(os, "clr");
176 } else {
177 printMnemonic(os, "mov");
178 ccprintf(os, " 0x%x, ", imm);
179 }
180 printDestReg(os, 0);
181 return true;
182 } else if (imm == 0) {
183 printMnemonic(os, "mov");
184 printSrcReg(os, 0);
185 ccprintf(os, ", ");
186 printDestReg(os, 0);
187 return true;
188 }
189 }
190 return false;
191 }
192
193 std::string
194 IntOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
195 {
196 std::stringstream response;
197
198 if (printPseudoOps(response, pc, symtab))
199 return response.str();
200 printMnemonic(response, mnemonic);
201 printRegArray(response, _srcRegIdx, _numSrcRegs);
202 if (_numDestRegs && _numSrcRegs)
203 response << ", ";
204 printDestReg(response, 0);
205 return response.str();
206 }
207
208 std::string
209 IntOpImm::generateDisassembly(Addr pc,
210 const SymbolTable *symtab) const
211 {
212 std::stringstream response;
213
214 if (printPseudoOps(response, pc, symtab))
215 return response.str();
216 printMnemonic(response, mnemonic);
217 printRegArray(response, _srcRegIdx, _numSrcRegs);
218 if (_numSrcRegs > 0)
219 response << ", ";
220 ccprintf(response, "0x%x", imm);
221 if (_numDestRegs > 0)
222 response << ", ";
223 printDestReg(response, 0);
224 return response.str();
225 }
226
227 std::string
228 SetHi::generateDisassembly(Addr pc, const SymbolTable *symtab) const
229 {
230 std::stringstream response;
231
232 printMnemonic(response, mnemonic);
233 ccprintf(response, "%%hi(0x%x), ", imm);
234 printDestReg(response, 0);
235 return response.str();
236 }
237}};
238
239def template IntOpExecute {{
240 Fault %(class_name)s::execute(ExecContext *xc,
241 Trace::InstRecord *traceData) const
242 {
243 Fault fault = NoFault;
244
245 %(op_decl)s;
246 %(op_rd)s;

--- 124 unchanged lines hidden --- 		45def template IntOpExecute {{
46 Fault %(class_name)s::execute(ExecContext *xc,
47 Trace::InstRecord *traceData) const
48 {
49 Fault fault = NoFault;
50
51 %(op_decl)s;
52 %(op_rd)s;

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