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// -*- mode:c++ -*-
////////////////////////////////////////////////////////////////////
//
// Integer operate instructions
//
//Outputs to decoder.hh
output header {{
class Control : public MipsStaticInst
{
protected:
/// Constructor
Control(const char *mnem, MachInst _machInst, OpClass __opClass) :
MipsStaticInst(mnem, _machInst, __opClass)
{
}
std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
};
class CP0Control : public Control
{
protected:
/// Constructor
CP0Control(const char *mnem, MachInst _machInst, OpClass __opClass) :
Control(mnem, _machInst, __opClass)
{
}
std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
};
class CP1Control : public Control
{
protected:
/// Constructor
CP1Control(const char *mnem, MachInst _machInst, OpClass __opClass) :
Control(mnem, _machInst, __opClass)
{
}
std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
};
}};
//Outputs to decoder.cc
output decoder {{
std::string Control::generateDisassembly(Addr pc, const SymbolTable *symtab) const
{
std::stringstream ss;
ccprintf(ss, "%-10s ", mnemonic);
if (mnemonic == "mfc0" || mnemonic == "mtc0") {
ccprintf(ss, "%-10s %d,%d,%d", mnemonic,RT,RD,SEL);
} else {
// just print the first dest... if there's a second one,
// it's generally implicit
if (_numDestRegs > 0) {
printReg(ss, _destRegIdx[0]);
}
ss << ", ";
// just print the first two source regs... if there's
// a third one, it's a read-modify-write dest (Rc),
// e.g. for CMOVxx
if (_numSrcRegs > 0) {
printReg(ss, _srcRegIdx[0]);
}
if (_numSrcRegs > 1) {
ss << ", ";
printReg(ss, _srcRegIdx[1]);
}
}
return ss.str();
}
std::string CP0Control::generateDisassembly(Addr pc, const SymbolTable *symtab) const
{
std::stringstream ss;
ccprintf(ss, "%-10s r%d, r%d, %d", mnemonic, RT, RD, SEL);
return ss.str();
}
std::string CP1Control::generateDisassembly(Addr pc, const SymbolTable *symtab) const
{
std::stringstream ss;
ccprintf(ss, "%-10s r%d, f%d", mnemonic, RT, FS);
return ss.str();
}
}};
def format System(code, *flags) {{
iop = InstObjParams(name, Name, 'Control', CodeBlock(code), flags)
header_output = BasicDeclare.subst(iop)
decoder_output = BasicConstructor.subst(iop)
decode_block = BasicDecode.subst(iop)
exec_output = BasicExecute.subst(iop)
}};
def format CP0Control(code, *flags) {{
iop = InstObjParams(name, Name, 'CP0Control', CodeBlock(code), flags)
header_output = BasicDeclare.subst(iop)
decoder_output = BasicConstructor.subst(iop)
decode_block = BasicDecode.subst(iop)
exec_output = BasicExecute.subst(iop)
}};
def format CP1Control(code, *flags) {{
iop = InstObjParams(name, Name, 'CP1Control', 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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