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// -*- mode:c++ -*-
////////////////////////////////////////////////////////////////////
//
// Trap instructions
//
output header {{
/**
* Base class for integer operations.
*/
class Trap : public MipsStaticInst
{
protected:
/// Constructor
Trap(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass)
{
}
std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
};
}};
output decoder {{
std::string Trap::generateDisassembly(Addr pc, const SymbolTable *symtab) const
{
return "Disassembly of trap instruction\n";
}
}};
def template TrapExecute {{
//Edit This Template When Traps Are Implemented
Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
{
//Write the resulting state to the execution context
%(op_wb)s;
//Call into the trap handler with the appropriate fault
return No_Fault;
}
}};
def format Trap(code, *flags) {{
code = 'panic(\"'
code += 'Trap Exception Handler Is Currently Not Implemented.'
code += '\");'
iop = InstObjParams(name, Name, 'MipsStaticInst', CodeBlock(code), flags)
header_output = BasicDeclare.subst(iop)
decoder_output = BasicConstructor.subst(iop)
decode_block = BasicDecode.subst(iop)
exec_output = BasicExecute.subst(iop)
}};
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