1// -*- mode:c++ -*-
2
3// Copyright (c) 2003-2005 The Regents of The University of Michigan
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
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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,
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27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29output header {{
30 /**
31 * Static instruction class for instructions that cause an OPCDEC fault
32 * when executed. This is currently only for PAL mode instructions
33 * executed in non-PAL mode.
34 */
35 class OpcdecFault : public AlphaStaticInst
36 {
37 public:
38 /// Constructor
39 OpcdecFault(ExtMachInst _machInst)
40 : AlphaStaticInst("opcdec fault", _machInst, No_OpClass)
41 {
42 }
43
44 %(BasicExecDeclare)s
45
46 std::string
47 generateDisassembly(Addr pc, const SymbolTable *symtab) const;
48 };
49}};
50
51output decoder {{
52 std::string
53 OpcdecFault::generateDisassembly(Addr pc, const SymbolTable *symtab) const
54 {
55 return csprintf("%-10s (inst 0x%x, opcode 0x%x)",
56 " OPCDEC fault", machInst, OPCODE);
57 }
58}};
59
60output exec {{
61 Fault
62 OpcdecFault::execute(%(CPU_exec_context)s *xc,
63 Trace::InstRecord *traceData) const
64 {
65 return new UnimplementedOpcodeFault;
66 }
67}};
68
69def format OpcdecFault() {{
70 decode_block = 'return new OpcdecFault(machInst);\n'
71}};
72