base.isa revision 4519
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IN NO EVENT SHALL THE COPYRIGHT 484298Sgblack@eecs.umich.edu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 494298Sgblack@eecs.umich.edu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 504298Sgblack@eecs.umich.edu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 514298Sgblack@eecs.umich.edu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 524298Sgblack@eecs.umich.edu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 534298Sgblack@eecs.umich.edu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 544298Sgblack@eecs.umich.edu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 554298Sgblack@eecs.umich.edu// 564338Sgblack@eecs.umich.edu// Authors: Gabe Black 574338Sgblack@eecs.umich.edu 584338Sgblack@eecs.umich.edulet {{ 594338Sgblack@eecs.umich.edu # This will be populated with mappings between microop mnemonics and 604298Sgblack@eecs.umich.edu # the classes that represent them. 61 microopClasses = {} 62}}; 63 64//A class which is the base of all x86 micro ops. It provides a function to 65//set necessary flags appropriately. 66output header {{ 67 class X86MicroOpBase : public X86StaticInst 68 { 69 protected: 70 const char * instMnem; 71 uint8_t opSize; 72 uint8_t addrSize; 73 74 X86MicroOpBase(ExtMachInst _machInst, 75 const char *mnem, const char *_instMnem, 76 bool isMicro, bool isDelayed, 77 bool isFirst, bool isLast, 78 OpClass __opClass) : 79 X86StaticInst(mnem, _machInst, __opClass), 80 instMnem(_instMnem) 81 { 82 flags[IsMicroOp] = isMicro; 83 flags[IsDelayedCommit] = isDelayed; 84 flags[IsFirstMicroOp] = isFirst; 85 flags[IsLastMicroOp] = isLast; 86 } 87 88 std::string generateDisassembly(Addr pc, 89 const SymbolTable *symtab) const 90 { 91 std::stringstream ss; 92 93 ccprintf(ss, "\t%s.%s", instMnem, mnemonic); 94 95 return ss.str(); 96 } 97 }; 98}}; 99 100////////////////////////////////////////////////////////////////////////// 101// 102// Base class for the python representation of x86 microops 103 104let {{ 105 class X86Microop(object): 106 def __init__(self, name): 107 self.name = name 108 109 # This converts a list of python bools into 110 # a comma seperated list of C++ bools. 111 def microFlagsText(self, vals): 112 text = "" 113 for val in vals: 114 if val: 115 text += ", true" 116 else: 117 text += ", false" 118 return text 119 120 def getAllocator(self, mnemonic, *microFlags): 121 return 'new %s(machInst, %s)' % (self.className, mnemonic, self.microFlagsText(microFlags)) 122}}; 123 124////////////////////////////////////////////////////////////////////////// 125// 126// LdStOp Microop templates 127// 128////////////////////////////////////////////////////////////////////////// 129 130def template MicroLdStOpDeclare {{ 131 class %(class_name)s : public X86MicroOpBase 132 { 133 protected: 134 const uint8_t scale; 135 const RegIndex index; 136 const RegIndex base; 137 const uint64_t disp; 138 const uint8_t segment; 139 const RegIndex data; 140 const uint8_t dataSize; 141 const uint8_t addressSize; 142 void buildMe(); 143 144 public: 145 %(class_name)s(ExtMachInst _machInst, 146 const char * instMnem, 147 bool isMicro, bool isDelayed, bool isFirst, bool isLast, 148 uint8_t _scale, RegIndex _index, RegIndex _base, 149 uint64_t _disp, uint8_t _segment, 150 RegIndex _data, 151 uint8_t _dataSize, uint8_t _addressSize); 152 153 %(class_name)s(ExtMachInst _machInst, 154 const char * instMnem, 155 uint8_t _scale, RegIndex _index, RegIndex _base, 156 uint64_t _disp, uint8_t _segment, 157 RegIndex _data, 158 uint8_t _dataSize, uint8_t _addressSize); 159 160 %(BasicExecDeclare)s 161 }; 162}}; 163 164def template MicroLdStOpConstructor {{ 165 166 inline void %(class_name)s::buildMe() 167 { 168 %(constructor)s; 169 } 170 171 inline %(class_name)s::%(class_name)s( 172 ExtMachInst machInst, const char * instMnem, 173 uint8_t _scale, RegIndex _index, RegIndex _base, 174 uint64_t _disp, uint8_t _segment, 175 RegIndex _data, 176 uint8_t _dataSize, uint8_t _addressSize) : 177 %(base_class)s(machInst, "%(mnemonic)s", instMnem, 178 false, false, false, false, %(op_class)s), 179 scale(_scale), index(_index), base(_base), 180 disp(_disp), segment(_segment), 181 data(_data), 182 dataSize(_dataSize), addressSize(_addressSize) 183 { 184 buildMe(); 185 } 186 187 inline %(class_name)s::%(class_name)s( 188 ExtMachInst machInst, const char * instMnem, 189 bool isMicro, bool isDelayed, bool isFirst, bool isLast, 190 uint8_t _scale, RegIndex _index, RegIndex _base, 191 uint64_t _disp, uint8_t segment, 192 RegIndex data, 193 uint8_t dataSize, uint8_t addressSize) : 194 %(base_class)s(machInst, "%(mnemonic)s", instMnem, 195 isMicro, isDelayed, isFirst, isLast, %(op_class)s), 196 scale(_scale), index(_index), base(_base), 197 disp(_disp), segment(_segment), 198 data(_data), 199 dataSize(_dataSize), addressSize(_addressSize) 200 { 201 buildMe(); 202 } 203}}; 204 205////////////////////////////////////////////////////////////////////////// 206// 207// LIMMOp Microop templates 208// 209////////////////////////////////////////////////////////////////////////// 210 211def template MicroLIMMOpDeclare {{ 212 class %(class_name)s : public X86MicroOpBase 213 { 214 protected: 215 const RegIndex dest; 216 const uint64_t imm; 217 void buildMe(); 218 219 public: 220 %(class_name)s(ExtMachInst _machInst, 221 const char * instMnem, 222 bool isMicro, bool isDelayed, bool isFirst, bool isLast, 223 RegIndex _dest, uint64_t _imm); 224 225 %(class_name)s(ExtMachInst _machInst, 226 const char * instMnem, 227 RegIndex _dest, uint64_t _imm); 228 229 %(BasicExecDeclare)s 230 }; 231}}; 232 233def template MicroLIMMOpConstructor {{ 234 235 inline void %(class_name)s::buildMe() 236 { 237 %(constructor)s; 238 } 239 240 inline %(class_name)s::%(class_name)s( 241 ExtMachInst machInst, const char * instMnem, 242 RegIndex _dest, uint64_t _imm) : 243 %(base_class)s(machInst, "%(mnemonic)s", instMnem, 244 false, false, false, false, %(op_class)s), 245 dest(_dest), imm(_imm) 246 { 247 buildMe(); 248 } 249 250 inline %(class_name)s::%(class_name)s( 251 ExtMachInst machInst, const char * instMnem, 252 bool isMicro, bool isDelayed, bool isFirst, bool isLast, 253 RegIndex _dest, uint64_t _imm) : 254 %(base_class)s(machInst, "%(mnemonic)s", instMnem, 255 isMicro, isDelayed, isFirst, isLast, %(op_class)s), 256 dest(_dest), imm(_imm) 257 { 258 buildMe(); 259 } 260}}; 261 262////////////////////////////////////////////////////////////////////////// 263// 264// FpOp Microop templates 265// 266////////////////////////////////////////////////////////////////////////// 267 268//TODO Actually write an fp microop base class. 269