diff options
Diffstat (limited to 'arch/mips/isa/formats/mem.isa')
-rw-r--r-- | arch/mips/isa/formats/mem.isa | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/mips/isa/formats/mem.isa b/arch/mips/isa/formats/mem.isa new file mode 100644 index 000000000..5ed5237c5 --- /dev/null +++ b/arch/mips/isa/formats/mem.isa @@ -0,0 +1,78 @@ +//////////////////////////////////////////////////////////////////// +// +// Mem instructions +// + +output header {{ + /** + * Base class for integer operations. + */ + class Mem : public MipsStaticInst + { + protected: + + /// Constructor + Mem(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass) + { + } + + std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const; + }; +}}; + +output decoder {{ + std::string Mem::generateDisassembly(Addr pc, const SymbolTable *symtab) const + { + return "Disassembly of integer instruction\n"; + } +}}; + +def template MemExecute {{ + Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const + { + //Attempt to execute the instruction + try + { + + %(op_decl)s; + %(op_rd)s; + ea_code + %(code)s; + } + //If we have an exception for some reason, + //deal with it + catch(MipsException except) + { + //Deal with exception + return No_Fault; + } + + //Write the resulting state to the execution context + %(op_wb)s; + + return No_Fault; + } +}}; + +// Primary format for integer operate instructions: +def format Mem(code, *opt_flags) {{ + orig_code = code + cblk = CodeBlock(code) + iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags) + header_output = BasicDeclare.subst(iop) + decoder_output = BasicConstructor.subst(iop) + decode_block = BasicDecodeWithMnemonic.subst(iop) + exec_output = MemExecute.subst(iop) + exec_output.replace('ea_code', 'EA = I ? (R1 + SIMM13) : R1 + R2;'); +}}; + +def format Cas(code, *opt_flags) {{ + orig_code = code + cblk = CodeBlock(code) + iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags) + header_output = BasicDeclare.subst(iop) + decoder_output = BasicConstructor.subst(iop) + decode_block = BasicDecodeWithMnemonic.subst(iop) + exec_output = MemExecute.subst(iop) + exec_output.replace('ea_code', 'EA = R1;'); +}}; |