b203d7bd33
and file name changes ...
arch/mips/isa/decoder.isa:
add at least BasicOp Format to most if not all instructions
--HG--
rename : arch/mips/isa/formats/basic.format => arch/mips/isa/formats/basic.isa
rename : arch/mips/isa/formats/branch.format => arch/mips/isa/formats/branch.isa
rename : arch/mips/isa/formats/fp.format => arch/mips/isa/formats/fp.isa
rename : arch/mips/isa/formats/int.format => arch/mips/isa/formats/int.isa
rename : arch/mips/isa/formats/mem.format => arch/mips/isa/formats/mem.isa
rename : arch/mips/isa/formats/noop.format => arch/mips/isa/formats/noop.isa
rename : arch/mips/isa/formats/tlbop.format => arch/mips/isa/formats/tlbop.isa
rename : arch/mips/isa/formats/trap.format => arch/mips/isa/formats/trap.isa
rename : arch/mips/isa/mips.isa => arch/mips/isa/main.isa
extra : convert_revision : 0b2f3aee13fee3e0e25c0c746af4216c4a596391
78 lines
2.4 KiB
Text
78 lines
2.4 KiB
Text
////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Mem instructions
|
|
//
|
|
|
|
output header {{
|
|
/**
|
|
* Base class for integer operations.
|
|
*/
|
|
class Mem : public MipsStaticInst
|
|
{
|
|
protected:
|
|
|
|
/// Constructor
|
|
Mem(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(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 "Disassembly of integer instruction\n";
|
|
}
|
|
}};
|
|
|
|
def template MemExecute {{
|
|
Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
|
|
{
|
|
//Attempt to execute the instruction
|
|
try
|
|
{
|
|
|
|
%(op_decl)s;
|
|
%(op_rd)s;
|
|
ea_code
|
|
%(code)s;
|
|
}
|
|
//If we have an exception for some reason,
|
|
//deal with it
|
|
catch(MipsException except)
|
|
{
|
|
//Deal with exception
|
|
return No_Fault;
|
|
}
|
|
|
|
//Write the resulting state to the execution context
|
|
%(op_wb)s;
|
|
|
|
return No_Fault;
|
|
}
|
|
}};
|
|
|
|
// Primary format for integer operate instructions:
|
|
def format Mem(code, *opt_flags) {{
|
|
orig_code = code
|
|
cblk = CodeBlock(code)
|
|
iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
|
|
header_output = BasicDeclare.subst(iop)
|
|
decoder_output = BasicConstructor.subst(iop)
|
|
decode_block = BasicDecodeWithMnemonic.subst(iop)
|
|
exec_output = MemExecute.subst(iop)
|
|
exec_output.replace('ea_code', 'EA = I ? (R1 + SIMM13) : R1 + R2;');
|
|
}};
|
|
|
|
def format Cas(code, *opt_flags) {{
|
|
orig_code = code
|
|
cblk = CodeBlock(code)
|
|
iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
|
|
header_output = BasicDeclare.subst(iop)
|
|
decoder_output = BasicConstructor.subst(iop)
|
|
decode_block = BasicDecodeWithMnemonic.subst(iop)
|
|
exec_output = MemExecute.subst(iop)
|
|
exec_output.replace('ea_code', 'EA = R1;');
|
|
}};
|