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////////////////////////////////////////////////////////////////////
//
// Integer operate instructions
//
output header {{
/**
* Base class for integer operations.
*/
class IntOp : public SparcStaticInst
{
protected:
// Constructor
IntOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
SparcStaticInst(mnem, _machInst, __opClass)
{
}
std::string generateDisassembly(Addr pc,
const SymbolTable *symtab) const;
};
/**
* Base class for 10 bit immediate integer operations.
*/
class IntOpImm10 : public IntOp
{
protected:
// Constructor
IntOpImm10(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
IntOp(mnem, _machInst, __opClass), imm(SIMM10)
{
}
uint32_t imm;
};
/**
* Base class for 13 bit immediate integer operations.
*/
class IntOpImm13 : public IntOp
{
protected:
// Constructor
IntOpImm13(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
IntOp(mnem, _machInst, __opClass), imm(SIMM13)
{
}
uint32_t imm;
};
}};
output decoder {{
std::string IntOp::generateDisassembly(Addr pc,
const SymbolTable *symtab) const
{
return "Integer instruction\n";
}
}};
def template IntOpExecute {{
Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
Trace::InstRecord *traceData) const
{
Fault fault = NoFault;
%(op_decl)s;
%(op_rd)s;
%(code)s;
//Write the resulting state to the execution context
if(fault == NoFault)
%(op_wb)s;
return fault;
}
}};
def template IntOpCcExecute {{
Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
Trace::InstRecord *traceData) const
{
Fault fault;
%(op_decl)s;
%(op_rd)s;
%(code)s;
//Write the resulting state to the execution context
if(fault == NoFault)
{
%(op_wb)s;
CcrIccN = Rd & (1 << 63);
CcrIccZ = (Rd == 0);
CcrIccV = ivValue;
CcrIccC = icValue;
CcrXccN = Rd & (1 << 31);
CcrXccZ = ((Rd & 0xFFFFFFFF) == 0);
CcrXccV = xvValue;
CcrXccC = xcValue;
}
return fault;
}
}};
def template IntOpCcResExecute {{
Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
Trace::InstRecord *traceData) const
{
Fault fault;
%(op_decl)s;
%(op_rd)s;
%(code)s;
//Write the resulting state to the execution context
if(fault == NoFault)
{
%(op_wb)s;
CcrIccN = Rd & (1 << 63);
CcrIccZ = (Rd == 0);
CcrXccN = Rd & (1 << 31);
CcrXccZ = ((Rd & 0xFFFFFFFF) == 0);
CcrIccV = CcrIccC = CcrXccV = CcrXccC = 0;
}
return fault;
}
}};
let {{
def doIntFormat(code, execTemplate, name, Name, opt_flags):
(usesImm, cblk, immCblk, rString, iString) = splitOutImm(code)
iop = InstObjParams(name, Name, 'IntOp', cblk, opt_flags)
header_output = BasicDeclare.subst(iop)
decoder_output = BasicConstructor.subst(iop)
exec_output = execTemplate.subst(iop)
if usesImm:
imm_iop = InstObjParams(name, Name + 'Imm', 'IntOpImm' + iString,
immCblk, opt_flags)
header_output += BasicDeclare.subst(imm_iop)
decoder_output += BasicConstructor.subst(imm_iop)
exec_output += execTemplate.subst(imm_iop)
decode_block = ROrImmDecode.subst(iop)
else:
decode_block = BasicDecode.subst(iop)
}};
// Primary format for integer operate instructions:
def format IntOp(code, *opt_flags) {{
doIntFormat(code, IntOpExecute, name, Name, opt_flags)
}};
// Primary format for integer operate instructions:
def format IntOpCc(code, icValue, ivValue, xcValue, xvValue, *opt_flags) {{
for (marker, value) in (('ivValue', ivValue), ('icValue', icValue),
('xvValue', xvValue), ('xcValue', xcValue)):
code.replace(marker, value)
doIntFormat(code, IntOpCcExecute, name, Name, opt_flags)
}};
// Primary format for integer operate instructions:
def format IntOpCcRes(code, *opt_flags) {{
doIntFormat(code, IntOpCcResExecute, name, Name, opt_flags)
}};
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