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////////////////////////////////////////////////////////////////////
//
// Mem instructions
//
output header {{
/**
* Base class for integer 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;
};
}};
output decoder {{
std::string Mem::generateDisassembly(Addr pc, const SymbolTable *symtab) const
{
return "Memory instruction\n";
}
}};
def template MemExecute {{
Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
Trace::InstRecord *traceData) const
{
Fault fault = NoFault;
Addr EA;
%(op_decl)s;
%(op_rd)s;
%(ea_code)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 Mem(code, *opt_flags) {{
addrCalc = 'EA = I ? (Rs1 + SIMM13) : Rs1 + Rs2;'
composite = code + '\n' + addrCalc
origCodeBlk = CodeBlock(code)
compositeBlk = CodeBlock(composite)
addrCalcBlk = CodeBlock(addrCalc)
iop = InstObjParams(name, Name, 'SparcStaticInst', compositeBlk, opt_flags)
iop.code = origCodeBlk.code
iop.orig_code = origCodeBlk.orig_code
iop.ea_code = addrCalcBlk.code
header_output = BasicDeclare.subst(iop)
decoder_output = BasicConstructor.subst(iop)
decode_block = BasicDecode.subst(iop)
exec_output = MemExecute.subst(iop)
}};
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