// -*- mode:c++ -*-

// Copyright .AN) 2007 MIPS Technologies, Inc.  All Rights Reserved

//  This software is part of the M5 simulator.

//  THIS IS A LEGAL AGREEMENT.  BY DOWNLOADING, USING, COPYING, CREATING
//  DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING
//  TO THESE TERMS AND CONDITIONS.

//  Permission is granted to use, copy, create derivative works and
//  distribute this software and such derivative works for any purpose,
//  so long as (1) the copyright notice above, this grant of permission,
//  and the disclaimer below appear in all copies and derivative works
//  made, (2) the copyright notice above is augmented as appropriate to
//  reflect the addition of any new copyrightable work in a derivative
//  work (e.g., Copyright .AN) <Publication Year> Copyright Owner), and (3)
//  the name of MIPS Technologies, Inc. ($B!H(BMIPS$B!I(B) is not used in any
//  advertising or publicity pertaining to the use or distribution of
//  this software without specific, written prior authorization.

//  THIS SOFTWARE IS PROVIDED $B!H(BAS IS.$B!I(B  MIPS MAKES NO WARRANTIES AND
//  DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR
//  OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
//  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
//  NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE.
//  IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT,
//  INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF
//  ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT,
//  THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY
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//  POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE.

//Authors: Steven K. Reinhardt
//         Korey L. Sewell

// Declarations for execute() methods.
def template BasicExecDeclare {{
        Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const;
}};

// Basic instruction class declaration template.
def template BasicDeclare {{
        /**
         * Static instruction class for "%(mnemonic)s".
         */
        class %(class_name)s : public %(base_class)s
        {
          public:
                /// Constructor.
                %(class_name)s(MachInst machInst);
                %(BasicExecDeclare)s
        };
}};

// Basic instruction class constructor template.
def template BasicConstructor {{
        inline %(class_name)s::%(class_name)s(MachInst machInst)  : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
        {
                %(constructor)s;
        }
}};


// Basic instruction class execute method template.
def template BasicExecute {{
        Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
        {
                Fault fault = NoFault;

                %(fp_enable_check)s;
                %(op_decl)s;
                %(op_rd)s;
                if(fault == NoFault)
                {
                  %(code)s;
                  if(fault == NoFault){
                    %(op_wb)s;
                  }
                }
                return fault;
        }
}};

// Basic decode template.
def template BasicDecode {{
        return new %(class_name)s(machInst);
}};

// Basic decode template, passing mnemonic in as string arg to constructor.
def template BasicDecodeWithMnemonic {{
        return new %(class_name)s("%(mnemonic)s", machInst);
}};

// The most basic instruction format...
def format BasicOp(code, *flags) {{
        iop = InstObjParams(name, Name, 'MipsStaticInst', code, flags)
        header_output = BasicDeclare.subst(iop)
        decoder_output = BasicConstructor.subst(iop)
        decode_block = BasicDecode.subst(iop)
        exec_output = BasicExecute.subst(iop)
}};