diff options
Diffstat (limited to 'arch/sparc/isa/formats/branch.isa')
-rw-r--r-- | arch/sparc/isa/formats/branch.isa | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/sparc/isa/formats/branch.isa b/arch/sparc/isa/formats/branch.isa new file mode 100644 index 000000000..80101de1b --- /dev/null +++ b/arch/sparc/isa/formats/branch.isa @@ -0,0 +1,62 @@ +//////////////////////////////////////////////////////////////////// +// +// Branch instructions +// + +output header {{ + /** + * Base class for integer operations. + */ + class Branch : public SparcStaticInst + { + protected: + // Constructor + Branch(const char *mnem, MachInst _machInst, OpClass __opClass) : + SparcStaticInst(mnem, _machInst, __opClass) + { + } + + std::string generateDisassembly(Addr pc, + const SymbolTable *symtab) const; + }; +}}; + +output decoder {{ + std::string Branch::generateDisassembly(Addr pc, const SymbolTable *symtab) const + { + return "Branch instruction\n"; + } +}}; + +def template BranchExecute {{ + Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, + Trace::InstRecord *traceData) const + { + //Attempt to execute the instruction + Fault fault = NoFault; + checkPriv; + + %(op_decl)s; + %(op_rd)s; + %(code)s; + + if(fault == NoFault) + { + //Write the resulting state to the execution context + %(op_wb)s; + } + + return fault; + } +}}; + +// Primary format for integer operate instructions: +def format Branch(code, *opt_flags) {{ + orig_code = code + cblk = CodeBlock(code) + iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags) + header_output = BasicDeclare.subst(iop) + decoder_output = BasicConstructor.subst(iop) + decode_block = BasicDecodeWithMnemonic.subst(iop) + exec_output = BranchExecute.subst(iop) +}}; |