macroop.isa (5786:07f635cab026) | macroop.isa (5788:6d4161a36ca1) |
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1// -*- mode:c++ -*- 2 3// Copyright (c) 2007 The Hewlett-Packard Development Company 4// All rights reserved. 5// 6// Redistribution and use of this software in source and binary forms, 7// with or without modification, are permitted provided that the 8// following conditions are met: --- 62 unchanged lines hidden (view full) --- 71 72output header {{ 73 74 // Base class for combinationally generated macroops 75 class Macroop : public X86ISA::MacroopBase 76 { 77 public: 78 Macroop(const char *mnem, ExtMachInst _machInst, | 1// -*- mode:c++ -*- 2 3// Copyright (c) 2007 The Hewlett-Packard Development Company 4// All rights reserved. 5// 6// Redistribution and use of this software in source and binary forms, 7// with or without modification, are permitted provided that the 8// following conditions are met: --- 62 unchanged lines hidden (view full) --- 71 72output header {{ 73 74 // Base class for combinationally generated macroops 75 class Macroop : public X86ISA::MacroopBase 76 { 77 public: 78 Macroop(const char *mnem, ExtMachInst _machInst, |
79 uint32_t _numMicroops, X86ISA::EmulEnv _emulEnv) 80 : MacroopBase(mnem, _machInst, _numMicroops, _emulEnv) | 79 uint32_t _numMicroops, X86ISA::EmulEnv _env) 80 : MacroopBase(mnem, _machInst, _numMicroops, _env) |
81 {} 82 %(MacroExecPanic)s 83 }; 84}}; 85 86////////////////////////////////////////////////////////////////////////////// 87// 88// X86 specific --- 8 unchanged lines hidden (view full) --- 97 * Static instruction class for "%(mnemonic)s". 98 */ 99 class %(class_name)s : public %(base_class)s 100 { 101 private: 102 %(declareLabels)s 103 public: 104 // Constructor. | 81 {} 82 %(MacroExecPanic)s 83 }; 84}}; 85 86////////////////////////////////////////////////////////////////////////////// 87// 88// X86 specific --- 8 unchanged lines hidden (view full) --- 97 * Static instruction class for "%(mnemonic)s". 98 */ 99 class %(class_name)s : public %(base_class)s 100 { 101 private: 102 %(declareLabels)s 103 public: 104 // Constructor. |
105 %(class_name)s(ExtMachInst machInst, X86ISA::EmulEnv env); | 105 %(class_name)s(ExtMachInst machInst, X86ISA::EmulEnv _env); 106 107 std::string 108 generateDisassembly(Addr pc, const SymbolTable *symtab) const; |
106 }; 107 }; 108}}; 109 | 109 }; 110 }; 111}}; 112 |
113def template MacroDisassembly {{ 114 std::string 115 X86Macroop::%(class_name)s::generateDisassembly(Addr pc, 116 const SymbolTable *symtab) const 117 { 118 std::stringstream out; 119 out << mnemonic << "\t"; 120 121 int regSize = %(regSize)s; 122 %(disassembly)s 123 // Shut up gcc. 124 regSize = regSize; 125 return out.str(); 126 } 127}}; 128 |
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110// Basic instruction class constructor template. 111def template MacroConstructor {{ 112 inline X86Macroop::%(class_name)s::%(class_name)s( | 129// Basic instruction class constructor template. 130def template MacroConstructor {{ 131 inline X86Macroop::%(class_name)s::%(class_name)s( |
113 ExtMachInst machInst, EmulEnv env) 114 : %(base_class)s("%(mnemonic)s", machInst, %(num_microops)s, env) | 132 ExtMachInst machInst, EmulEnv _env) 133 : %(base_class)s("%(mnemonic)s", machInst, %(num_microops)s, _env) |
115 { 116 %(adjust_env)s; 117 %(adjust_imm)s; 118 %(adjust_disp)s; 119 %(do_modrm)s; 120 %(constructor)s; | 134 { 135 %(adjust_env)s; 136 %(adjust_imm)s; 137 %(adjust_disp)s; 138 %(do_modrm)s; 139 %(constructor)s; |
140 const char *macrocodeBlock = "%(class_name)s"; |
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121 //alloc_microops is the code that sets up the microops 122 //array in the parent class. 123 %(alloc_microops)s; 124 } 125}}; 126 127let {{ 128 from micro_asm import Combinational_Macroop, Rom_Macroop --- 24 unchanged lines hidden (view full) --- 153 adjustedImm = adjustedImm; 154 ''' 155 self.adjust_disp = ''' 156 uint64_t adjustedDisp = DISPLACEMENT; 157 //This is to pacify gcc in case the displacement isn't used. 158 adjustedDisp = adjustedDisp; 159 ''' 160 def getAllocator(self, env): | 141 //alloc_microops is the code that sets up the microops 142 //array in the parent class. 143 %(alloc_microops)s; 144 } 145}}; 146 147let {{ 148 from micro_asm import Combinational_Macroop, Rom_Macroop --- 24 unchanged lines hidden (view full) --- 173 adjustedImm = adjustedImm; 174 ''' 175 self.adjust_disp = ''' 176 uint64_t adjustedDisp = DISPLACEMENT; 177 //This is to pacify gcc in case the displacement isn't used. 178 adjustedDisp = adjustedDisp; 179 ''' 180 def getAllocator(self, env): |
161 return "new X86Macroop::%s(machInst, %s)" % (self.name, env.getAllocator()) | 181 return "new X86Macroop::%s(machInst, %s)" % \ 182 (self.name, env.getAllocator()) 183 def getMnemonic(self): 184 mnemonic = self.name.lower() 185 mnemonic = re.match(r'[^_]*', mnemonic).group(0) 186 return mnemonic |
162 def getDeclaration(self): 163 #FIXME This first parameter should be the mnemonic. I need to 164 #write some code which pulls that out 165 declareLabels = "" 166 for (label, microop) in self.labels.items(): 167 declareLabels += "const static uint64_t label_%s = %d;\n" \ 168 % (label, microop.micropc) | 187 def getDeclaration(self): 188 #FIXME This first parameter should be the mnemonic. I need to 189 #write some code which pulls that out 190 declareLabels = "" 191 for (label, microop) in self.labels.items(): 192 declareLabels += "const static uint64_t label_%s = %d;\n" \ 193 % (label, microop.micropc) |
169 iop = InstObjParams(self.name, self.name, "Macroop", | 194 iop = InstObjParams(self.getMnemonic(), self.name, "Macroop", |
170 {"code" : "", 171 "declareLabels" : declareLabels 172 }) 173 return MacroDeclare.subst(iop); | 195 {"code" : "", 196 "declareLabels" : declareLabels 197 }) 198 return MacroDeclare.subst(iop); |
174 def getDefinition(self): | 199 def getDefinition(self, env): |
175 #FIXME This first parameter should be the mnemonic. I need to 176 #write some code which pulls that out 177 numMicroops = len(self.microops) 178 allocMicroops = '' 179 micropc = 0 180 for op in self.microops: 181 isLast = (micropc == numMicroops - 1) 182 allocMicroops += \ 183 "microops[%d] = %s;\n" % \ 184 (micropc, op.getAllocator(True, not isLast, 185 micropc == 0, isLast)) 186 micropc += 1 | 200 #FIXME This first parameter should be the mnemonic. I need to 201 #write some code which pulls that out 202 numMicroops = len(self.microops) 203 allocMicroops = '' 204 micropc = 0 205 for op in self.microops: 206 isLast = (micropc == numMicroops - 1) 207 allocMicroops += \ 208 "microops[%d] = %s;\n" % \ 209 (micropc, op.getAllocator(True, not isLast, 210 micropc == 0, isLast)) 211 micropc += 1 |
187 iop = InstObjParams(self.name, self.name, "Macroop", | 212 if env.useStackSize: 213 useStackSize = "true" 214 else: 215 useStackSize = "false" 216 if env.memoryInst: 217 memoryInst = "true" 218 else: 219 memoryInst = "false" 220 regSize = '''(%s || (env.base == INTREG_RSP && %s) ? 221 env.stackSize : 222 env.dataSize)''' % (useStackSize, memoryInst) 223 iop = InstObjParams(self.getMnemonic(), self.name, "Macroop", |
188 {"code" : "", "num_microops" : numMicroops, 189 "alloc_microops" : allocMicroops, 190 "adjust_env" : self.adjust_env, 191 "adjust_imm" : self.adjust_imm, 192 "adjust_disp" : self.adjust_disp, | 224 {"code" : "", "num_microops" : numMicroops, 225 "alloc_microops" : allocMicroops, 226 "adjust_env" : self.adjust_env, 227 "adjust_imm" : self.adjust_imm, 228 "adjust_disp" : self.adjust_disp, |
229 "disassembly" : env.disassembly, 230 "regSize" : regSize, |
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193 "do_modrm" : self.doModRM}) | 231 "do_modrm" : self.doModRM}) |
194 return MacroConstructor.subst(iop); | 232 return MacroConstructor.subst(iop) + \ 233 MacroDisassembly.subst(iop); |
195}}; 196 197let {{ 198 class EmulEnv(object): 199 def __init__(self): 200 self.reg = "0" 201 self.regUsed = False 202 self.regm = "0" 203 self.regmUsed = False 204 self.seg = "SEGMENT_REG_DS" 205 self.size = None 206 self.addressSize = "ADDRSIZE" 207 self.dataSize = "OPSIZE" 208 self.stackSize = "STACKSIZE" 209 self.doModRM = False | 234}}; 235 236let {{ 237 class EmulEnv(object): 238 def __init__(self): 239 self.reg = "0" 240 self.regUsed = False 241 self.regm = "0" 242 self.regmUsed = False 243 self.seg = "SEGMENT_REG_DS" 244 self.size = None 245 self.addressSize = "ADDRSIZE" 246 self.dataSize = "OPSIZE" 247 self.stackSize = "STACKSIZE" 248 self.doModRM = False |
249 self.disassembly = "" 250 self.firstArgument = True 251 self.useStackSize = False 252 self.memoryInst = False |
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210 | 253 |
254 def addToDisassembly(self, code): 255 if not self.firstArgument: 256 self.disassembly += "out << \", \";\n" 257 self.firstArgument = False 258 self.disassembly += code 259 |
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211 def getAllocator(self): 212 if self.size == 'b': 213 self.dataSize = 1 214 elif self.size == 'd': 215 self.dataSize = 4 216 #This is for "double plus" which is normally a double word unless 217 #the REX W bit is set, in which case it's a quad word. It's used 218 #for some SSE instructions. --- 40 unchanged lines hidden (view full) --- 259 blocks = OutputBlocks() 260 if not macroopDict.has_key(Name): 261 raise Exception, "Unrecognized instruction: %s" % Name 262 macroop = macroopDict[Name] 263 if not macroop.declared: 264 if env.doModRM: 265 macroop.doModRM = doModRMString 266 blocks.header_output = macroop.getDeclaration() | 260 def getAllocator(self): 261 if self.size == 'b': 262 self.dataSize = 1 263 elif self.size == 'd': 264 self.dataSize = 4 265 #This is for "double plus" which is normally a double word unless 266 #the REX W bit is set, in which case it's a quad word. It's used 267 #for some SSE instructions. --- 40 unchanged lines hidden (view full) --- 308 blocks = OutputBlocks() 309 if not macroopDict.has_key(Name): 310 raise Exception, "Unrecognized instruction: %s" % Name 311 macroop = macroopDict[Name] 312 if not macroop.declared: 313 if env.doModRM: 314 macroop.doModRM = doModRMString 315 blocks.header_output = macroop.getDeclaration() |
267 blocks.decoder_output = macroop.getDefinition() | 316 blocks.decoder_output = macroop.getDefinition(env) |
268 macroop.declared = True 269 blocks.decode_block = "return %s;\n" % macroop.getAllocator(env) 270 return blocks 271}}; | 317 macroop.declared = True 318 blocks.decode_block = "return %s;\n" % macroop.getAllocator(env) 319 return blocks 320}}; |