| // Copyright (c) 2007 The Hewlett-Packard Development Company |
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| // |
| // Authors: Gabe Black |
| |
| ////////////////////////////////////////////////////////////////////////// |
| // |
| // LIMMOp Microop templates |
| // |
| ////////////////////////////////////////////////////////////////////////// |
| |
| def template MicroLimmOpExecute {{ |
| Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, |
| Trace::InstRecord *traceData) const |
| { |
| %(op_decl)s; |
| %(op_rd)s; |
| %(code)s; |
| %(op_wb)s; |
| return NoFault; |
| } |
| }}; |
| |
| def template MicroLimmOpDeclare {{ |
| class %(class_name)s : public X86ISA::X86MicroopBase |
| { |
| protected: |
| const RegIndex dest; |
| const uint64_t imm; |
| const uint8_t dataSize; |
| RegIndex foldOBit; |
| void buildMe(); |
| |
| std::string generateDisassembly(Addr pc, |
| const SymbolTable *symtab) const; |
| |
| public: |
| %(class_name)s(ExtMachInst _machInst, |
| const char * instMnem, |
| bool isMicro, bool isDelayed, bool isFirst, bool isLast, |
| RegIndex _dest, uint64_t _imm, uint8_t _dataSize); |
| |
| %(class_name)s(ExtMachInst _machInst, |
| const char * instMnem, |
| RegIndex _dest, uint64_t _imm, uint8_t _dataSize); |
| |
| %(BasicExecDeclare)s |
| }; |
| }}; |
| |
| def template MicroLimmOpDisassembly {{ |
| std::string %(class_name)s::generateDisassembly(Addr pc, |
| const SymbolTable *symtab) const |
| { |
| std::stringstream response; |
| |
| printMnemonic(response, instMnem, mnemonic); |
| printDestReg(response, 0, dataSize); |
| response << ", "; |
| ccprintf(response, "%#x", imm); |
| return response.str(); |
| } |
| }}; |
| |
| def template MicroLimmOpConstructor {{ |
| |
| inline void %(class_name)s::buildMe() |
| { |
| foldOBit = (dataSize == 1 && !machInst.rex.present) ? 1 << 6 : 0; |
| %(constructor)s; |
| } |
| |
| inline %(class_name)s::%(class_name)s( |
| ExtMachInst machInst, const char * instMnem, |
| RegIndex _dest, uint64_t _imm, uint8_t _dataSize) : |
| %(base_class)s(machInst, "%(mnemonic)s", instMnem, |
| false, false, false, false, %(op_class)s), |
| dest(_dest), imm(_imm), dataSize(_dataSize) |
| { |
| buildMe(); |
| } |
| |
| inline %(class_name)s::%(class_name)s( |
| ExtMachInst machInst, const char * instMnem, |
| bool isMicro, bool isDelayed, bool isFirst, bool isLast, |
| RegIndex _dest, uint64_t _imm, uint8_t _dataSize) : |
| %(base_class)s(machInst, "%(mnemonic)s", instMnem, |
| isMicro, isDelayed, isFirst, isLast, %(op_class)s), |
| dest(_dest), imm(_imm), dataSize(_dataSize) |
| { |
| buildMe(); |
| } |
| }}; |
| |
| let {{ |
| class LimmOp(X86Microop): |
| def __init__(self, dest, imm, dataSize="env.dataSize"): |
| self.className = "Limm" |
| self.mnemonic = "limm" |
| self.dest = dest |
| if isinstance(imm, (int, long)): |
| imm = "ULL(%d)" % imm |
| self.imm = imm |
| self.dataSize = dataSize |
| |
| def getAllocator(self, *microFlags): |
| allocator = '''new %(class_name)s(machInst, mnemonic |
| %(flags)s, %(dest)s, %(imm)s, %(dataSize)s)''' % { |
| "class_name" : self.className, |
| "mnemonic" : self.mnemonic, |
| "flags" : self.microFlagsText(microFlags), |
| "dest" : self.dest, "imm" : self.imm, |
| "dataSize" : self.dataSize} |
| return allocator |
| |
| microopClasses["limm"] = LimmOp |
| }}; |
| |
| let {{ |
| # Build up the all register version of this micro op |
| iop = InstObjParams("limm", "Limm", 'X86MicroopBase', |
| {"code" : "DestReg = merge(DestReg, imm, dataSize);"}) |
| header_output += MicroLimmOpDeclare.subst(iop) |
| decoder_output += MicroLimmOpConstructor.subst(iop) |
| decoder_output += MicroLimmOpDisassembly.subst(iop) |
| exec_output += MicroLimmOpExecute.subst(iop) |
| }}; |