diff options
Diffstat (limited to 'src/arch/sparc/isa/formats/mem/util.isa')
-rw-r--r-- | src/arch/sparc/isa/formats/mem/util.isa | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/arch/sparc/isa/formats/mem/util.isa b/src/arch/sparc/isa/formats/mem/util.isa index 673aee6be..b9f7fde2d 100644 --- a/src/arch/sparc/isa/formats/mem/util.isa +++ b/src/arch/sparc/isa/formats/mem/util.isa @@ -33,6 +33,100 @@ // Mem utility templates and functions // +output header {{ + /** + * Base class for memory operations. + */ + class Mem : public SparcStaticInst + { + protected: + + // Constructor + Mem(const char *mnem, ExtMachInst _machInst, OpClass __opClass) : + SparcStaticInst(mnem, _machInst, __opClass) + { + } + + std::string generateDisassembly(Addr pc, + const SymbolTable *symtab) const; + }; + + /** + * Class for memory operations which use an immediate offset. + */ + class MemImm : public Mem + { + protected: + + // Constructor + MemImm(const char *mnem, ExtMachInst _machInst, OpClass __opClass) : + Mem(mnem, _machInst, __opClass), imm(sext<13>(SIMM13)) + {} + + std::string generateDisassembly(Addr pc, + const SymbolTable *symtab) const; + + const int32_t imm; + }; +}}; + +output decoder {{ + std::string Mem::generateDisassembly(Addr pc, + const SymbolTable *symtab) const + { + std::stringstream response; + bool load = flags[IsLoad]; + bool save = flags[IsStore]; + + printMnemonic(response, mnemonic); + if(save) + { + printReg(response, _srcRegIdx[0]); + ccprintf(response, ", "); + } + ccprintf(response, "[ "); + printReg(response, _srcRegIdx[!save ? 0 : 1]); + ccprintf(response, " + "); + printReg(response, _srcRegIdx[!save ? 1 : 2]); + ccprintf(response, " ]"); + if(load) + { + ccprintf(response, ", "); + printReg(response, _destRegIdx[0]); + } + + return response.str(); + } + + std::string MemImm::generateDisassembly(Addr pc, + const SymbolTable *symtab) const + { + std::stringstream response; + bool load = flags[IsLoad]; + bool save = flags[IsStore]; + + printMnemonic(response, mnemonic); + if(save) + { + printReg(response, _srcRegIdx[0]); + ccprintf(response, ", "); + } + ccprintf(response, "[ "); + printReg(response, _srcRegIdx[!save ? 0 : 1]); + if(imm >= 0) + ccprintf(response, " + 0x%x ]", imm); + else + ccprintf(response, " + -0x%x ]", -imm); + if(load) + { + ccprintf(response, ", "); + printReg(response, _destRegIdx[0]); + } + + return response.str(); + } +}}; + //This template provides the execute functions for a load def template LoadExecute {{ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, |