b56223390d9a988e2d139c05585fd595c9cc9696
[gem5.git] / src / arch / x86 / isa / microops / specop.isa
1 // Copyright (c) 2007 The Hewlett-Packard Development Company
2 // All rights reserved.
3 //
4 // Redistribution and use of this software in source and binary forms,
5 // with or without modification, are permitted provided that the
6 // following conditions are met:
7 //
8 // The software must be used only for Non-Commercial Use which means any
9 // use which is NOT directed to receiving any direct monetary
10 // compensation for, or commercial advantage from such use. Illustrative
11 // examples of non-commercial use are academic research, personal study,
12 // teaching, education and corporate research & development.
13 // Illustrative examples of commercial use are distributing products for
14 // commercial advantage and providing services using the software for
15 // commercial advantage.
16 //
17 // If you wish to use this software or functionality therein that may be
18 // covered by patents for commercial use, please contact:
19 // Director of Intellectual Property Licensing
20 // Office of Strategy and Technology
21 // Hewlett-Packard Company
22 // 1501 Page Mill Road
23 // Palo Alto, California 94304
24 //
25 // Redistributions of source code must retain the above copyright notice,
26 // this list of conditions and the following disclaimer. Redistributions
27 // in binary form must reproduce the above copyright notice, this list of
28 // conditions and the following disclaimer in the documentation and/or
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30 // the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
31 // contributors may be used to endorse or promote products derived from
32 // this software without specific prior written permission. No right of
33 // sublicense is granted herewith. Derivatives of the software and
34 // output created using the software may be prepared, but only for
35 // Non-Commercial Uses. Derivatives of the software may be shared with
36 // others provided: (i) the others agree to abide by the list of
37 // conditions herein which includes the Non-Commercial Use restrictions;
38 // and (ii) such Derivatives of the software include the above copyright
39 // notice to acknowledge the contribution from this software where
40 // applicable, this list of conditions and the disclaimer below.
41 //
42 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
43 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
44 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
45 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
46 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
47 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
48 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
49 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
50 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
51 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
52 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53 //
54 // Authors: Gabe Black
55
56 //////////////////////////////////////////////////////////////////////////
57 //
58 // Fault Microop
59 //
60 //////////////////////////////////////////////////////////////////////////
61
62 output header {{
63 class MicroFault : public X86MicroopBase
64 {
65 protected:
66 Fault fault;
67 void buildMe();
68
69 public:
70 MicroFault(ExtMachInst _machInst, const char * instMnem,
71 bool isMicro, bool isDelayed, bool isFirst, bool isLast,
72 Fault _fault);
73
74 MicroFault(ExtMachInst _machInst, const char * instMnem,
75 Fault _fault);
76
77 %(BasicExecDeclare)s
78 };
79 }};
80
81 output decoder {{
82 Fault MicroFault::execute(%(CPU_exec_context)s *xc,
83 Trace::InstRecord *traceData) const
84 {
85 //Return the fault we were constructed with
86 return fault;
87 }
88 }};
89
90 output decoder {{
91 inline MicroFault::MicroFault(
92 ExtMachInst machInst, const char * instMnem, Fault _fault) :
93 X86MicroopBase(machInst, "fault", instMnem,
94 false, false, false, false, No_OpClass), fault(_fault)
95 {
96 }
97
98 inline MicroFault::MicroFault(
99 ExtMachInst machInst, const char * instMnem,
100 bool isMicro, bool isDelayed, bool isFirst, bool isLast,
101 Fault _fault) :
102 X86MicroopBase(machInst, "fault", instMnem,
103 isMicro, isDelayed, isFirst, isLast, No_OpClass),
104 fault(_fault)
105 {
106 }
107 }};
108
109 let {{
110 class Fault(X86Microop):
111 def __init__(self, fault):
112 self.fault = fault
113
114 def getAllocator(self, *microFlags):
115 allocator = '''new MicroFault(machInst, mnemonic
116 %(flags)s, %(fault)s)''' % {
117 "flags" : self.microFlagsText(microFlags),
118 "fault" : self.fault}
119 return allocator
120 microopClasses["fault"] = Fault
121 }};