tlbop.isa revision 12616:4b463b4dc098 
1// -*- mode:c++ -*-
2
3// Copyright (c) 2007 MIPS Technologies, Inc.
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer;
10// redistributions in binary form must reproduce the above copyright
11// notice, this list of conditions and the following disclaimer in the
12// documentation and/or other materials provided with the distribution;
13// neither the name of the copyright holders nor the names of its
14// contributors may be used to endorse or promote products derived from
15// this software without specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28//
29// Authors: Korey Sewell
30
31////////////////////////////////////////////////////////////////////
32//
33// TlbOp instructions
34//
35
36output header {{
37        /**
38         * Base class for integer operations.
39         */
40        class TlbOp : public MipsStaticInst
41        {
42                protected:
43
44                /// Constructor
45                TlbOp(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass)
46                {
47                }
48
49                std::string generateDisassembly(
50                        Addr pc, const SymbolTable *symtab) const override;
51        };
52}};
53
54output decoder {{
55        std::string TlbOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
56        {
57                return "Disassembly of integer instruction\n";
58        }
59}};
60
61def template TlbOpExecute {{
62        Fault %(class_name)s::execute(
63            ExecContext *xc, Trace::InstRecord *traceData) const
64        {
65                //Write the resulting state to the execution context
66                %(op_wb)s;
67
68                //Call into the trap handler with the appropriate fault
69                return No_Fault;
70        }
71}};
72
73// Primary format for integer operate instructions:
74def format TlbOp(code, *opt_flags) {{
75        orig_code = code
76        cblk = code
77        iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
78        header_output = BasicDeclare.subst(iop)
79        decoder_output = BasicConstructor.subst(iop)
80        decode_block = BasicDecodeWithMnemonic.subst(iop)
81        exec_output = TlbOpExecute.subst(iop)
82}};
83