Merge zizzer:/bk/newmem
[gem5.git] / src / arch / x86 / isa / formats / unknown.isa
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
89 output 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
111 output decoder {{
112 std::string Unknown::generateDisassembly(Addr pc,
113 const SymbolTable *symtab) const
114 {
115 return "Unknown instruction";
116 }
117 }};
118
119 output exec {{
120 Fault Unknown::execute(%(CPU_exec_context)s *xc,
121 Trace::InstRecord *traceData) const
122 {
123 panic("No instructions are implemented for X86!\n");
124 }
125 }};
126
127 def format Unknown() {{
128 decode_block = 'return new Unknown(machInst);\n'
129 }};