unknown.isa revision 4182:5b2c0d266107 
1// Copyright (c) 2007 The Regents of The University of Michigan
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met: redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer;
8// redistributions in binary form must reproduce the above copyright
9// notice, this list of conditions and the following disclaimer in the
10// documentation and/or other materials provided with the distribution;
11// neither the name of the copyright holders nor the names of its
12// contributors may be used to endorse or promote products derived from
13// this software without specific prior written permission.
14//
15// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26//
27// Authors: Gabe Black
28
29// Copyright (c) 2007 The Hewlett-Packard Development Company
30// All rights reserved.
31//
32// Redistribution and use of this software in source and binary forms,
33// with or without modification, are permitted provided that the
34// following conditions are met:
35//
36// The software must be used only for Non-Commercial Use which means any
37// use which is NOT directed to receiving any direct monetary
38// compensation for, or commercial advantage from such use.  Illustrative
39// examples of non-commercial use are academic research, personal study,
40// teaching, education and corporate research & development.
41// Illustrative examples of commercial use are distributing products for
42// commercial advantage and providing services using the software for
43// commercial advantage.
44//
45// If you wish to use this software or functionality therein that may be
46// covered by patents for commercial use, please contact:
47//     Director of Intellectual Property Licensing
48//     Office of Strategy and Technology
49//     Hewlett-Packard Company
50//     1501 Page Mill Road
51//     Palo Alto, California  94304
52//
53// Redistributions of source code must retain the above copyright notice,
54// this list of conditions and the following disclaimer.  Redistributions
55// in binary form must reproduce the above copyright notice, this list of
56// conditions and the following disclaimer in the documentation and/or
57// other materials provided with the distribution.  Neither the name of
58// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
59// contributors may be used to endorse or promote products derived from
60// this software without specific prior written permission.  No right of
61// sublicense is granted herewith.  Derivatives of the software and
62// output created using the software may be prepared, but only for
63// Non-Commercial Uses.  Derivatives of the software may be shared with
64// others provided: (i) the others agree to abide by the list of
65// conditions herein which includes the Non-Commercial Use restrictions;
66// and (ii) such Derivatives of the software include the above copyright
67// notice to acknowledge the contribution from this software where
68// applicable, this list of conditions and the disclaimer below.
69//
70// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
71// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
72// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
73// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
74// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
75// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
76// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
77// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
78// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
79// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
80// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
81//
82// Authors: Gabe Black
83
84////////////////////////////////////////////////////////////////////
85//
86// Unknown instructions
87//
88
89output header {{
90        /**
91         * Class for Unknown/Illegal instructions
92         */
93        class Unknown : public StaticInst
94        {
95          public:
96
97            // Constructor
98            Unknown(ExtMachInst _machInst) :
99                    StaticInst("unknown", _machInst, No_OpClass)
100            {
101            }
102
103            %(BasicExecDeclare)s
104
105            std::string generateDisassembly(Addr pc,
106                    const SymbolTable *symtab) const;
107
108        };
109}};
110
111output decoder {{
112        std::string Unknown::generateDisassembly(Addr pc,
113                const SymbolTable *symtab) const
114        {
115            return "Unknown instruction";
116        }
117}};
118
119output exec {{
120        Fault Unknown::execute(%(CPU_exec_context)s *xc,
121                Trace::InstRecord *traceData) const
122        {
123            warn("No instructions are implemented for X86!\n");
124            return NoFault;
125        }
126}};
127
128def format Unknown() {{
129        decode_block = 'return new Unknown(machInst);\n'
130}};
131