1// -*- mode:c++ -*-
2
3// Copyright (c) 2014, 2018 ARM Limited
4// All rights reserved
5//
6// The license below extends only to copyright in the software and shall
7// not be construed as granting a license to any other intellectual
8// property including but not limited to intellectual property relating
9// to a hardware implementation of the functionality of the software
10// licensed hereunder.  You may use the software subject to the license
11// terms below provided that you ensure that this notice is replicated
12// unmodified and in its entirety in all distributions of the software,
13// modified or unmodified, in source code or in binary form.
14//
15// Copyright (c) 2007-2008 The Florida State University
16// All rights reserved.
17//
18// Redistribution and use in source and binary forms, with or without
19// modification, are permitted provided that the following conditions are
20// met: redistributions of source code must retain the above copyright
21// notice, this list of conditions and the following disclaimer;
22// redistributions in binary form must reproduce the above copyright
23// notice, this list of conditions and the following disclaimer in the
24// documentation and/or other materials provided with the distribution;
25// neither the name of the copyright holders nor the names of its
26// contributors may be used to endorse or promote products derived from
27// this software without specific prior written permission.
28//
29// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
32// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40//
41// Authors: Andreas Sandberg
42//          Stephen Hines
43
44
45////////////////////////////////////////////////////////////////////
46//
47// Internal fault handling
48//
49
50def format DecoderFault() {{
51    decode_block = '''
52        return new DecoderFaultInst(machInst);
53    '''
54}};
55
56////////////////////////////////////////////////////////////////////
57//
58// Illegal execution handling
59//
60
61def format IllegalExec() {{
62    decode_block = 'return new IllegalExecInst(machInst);\n'
63}};
64
65////////////////////////////////////////////////////////////////////
66//
67// Unknown instruction handling
68//
69
70def format Unknown() {{
71    decode_block = 'return new Unknown(machInst);\n'
72}};
73
74////////////////////////////////////////////////////////////////////
75//
76// Unimplemented instructions
77//
78
79def format FailUnimpl() {{
80    iop = InstObjParams(name, 'FailUnimplemented')
81    decode_block = BasicDecodeWithMnemonic.subst(iop)
82}};
83
84def format WarnUnimpl() {{
85    iop = InstObjParams(name, 'WarnUnimplemented')
86    decode_block = BasicDecodeWithMnemonic.subst(iop)
87}};
88