pseudo.cc (10611:3bba9f2d0c7d) pseudo.cc (10696:b5e5068fcb26)
1/*
2 * Copyright (c) 2014 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
1/*
2 * Copyright (c) 2014 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2007-2008 The Florida State University
15 * All rights reserved.
16 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its

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30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Andreas Sandberg
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its

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33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 *
40 * Authors: Andreas Sandberg
41 * Stephen Hines
38 */
39
40#include "arch/arm/insts/pseudo.hh"
41#include "cpu/exec_context.hh"
42
43DecoderFaultInst::DecoderFaultInst(ExtMachInst _machInst)
44 : ArmStaticInst("gem5decoderFault", _machInst, No_OpClass),
45 faultId(static_cast<DecoderFault>(

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94 panic("Unhandled fault type");
95}
96
97std::string
98DecoderFaultInst::generateDisassembly(Addr pc, const SymbolTable *symtab) const
99{
100 return csprintf("gem5fault %s", faultName());
101}
42 */
43
44#include "arch/arm/insts/pseudo.hh"
45#include "cpu/exec_context.hh"
46
47DecoderFaultInst::DecoderFaultInst(ExtMachInst _machInst)
48 : ArmStaticInst("gem5decoderFault", _machInst, No_OpClass),
49 faultId(static_cast<DecoderFault>(

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98 panic("Unhandled fault type");
99}
100
101std::string
102DecoderFaultInst::generateDisassembly(Addr pc, const SymbolTable *symtab) const
103{
104 return csprintf("gem5fault %s", faultName());
105}
106
107
108
109FailUnimplemented::FailUnimplemented(const char *_mnemonic,
110 ExtMachInst _machInst)
111 : ArmStaticInst(_mnemonic, _machInst, No_OpClass)
112{
113 // don't call execute() (which panics) if we're on a
114 // speculative path
115 flags[IsNonSpeculative] = true;
116}
117
118FailUnimplemented::FailUnimplemented(const char *_mnemonic,
119 ExtMachInst _machInst,
120 const std::string& _fullMnemonic)
121 : ArmStaticInst(_mnemonic, _machInst, No_OpClass),
122 fullMnemonic(_fullMnemonic)
123{
124 // don't call execute() (which panics) if we're on a
125 // speculative path
126 flags[IsNonSpeculative] = true;
127}
128
129Fault
130FailUnimplemented::execute(ExecContext *xc, Trace::InstRecord *traceData) const
131{
132 return std::make_shared<UndefinedInstruction>(machInst, false, mnemonic);
133}
134
135std::string
136FailUnimplemented::generateDisassembly(Addr pc, const SymbolTable *symtab) const
137{
138 return csprintf("%-10s (unimplemented)",
139 fullMnemonic.size() ? fullMnemonic.c_str() : mnemonic);
140}
141
142
143
144WarnUnimplemented::WarnUnimplemented(const char *_mnemonic,
145 ExtMachInst _machInst)
146 : ArmStaticInst(_mnemonic, _machInst, No_OpClass), warned(false)
147{
148 // don't call execute() (which panics) if we're on a
149 // speculative path
150 flags[IsNonSpeculative] = true;
151}
152
153WarnUnimplemented::WarnUnimplemented(const char *_mnemonic,
154 ExtMachInst _machInst,
155 const std::string& _fullMnemonic)
156 : ArmStaticInst(_mnemonic, _machInst, No_OpClass), warned(false),
157 fullMnemonic(_fullMnemonic)
158{
159 // don't call execute() (which panics) if we're on a
160 // speculative path
161 flags[IsNonSpeculative] = true;
162}
163
164Fault
165WarnUnimplemented::execute(ExecContext *xc, Trace::InstRecord *traceData) const
166{
167 if (!warned) {
168 warn("\tinstruction '%s' unimplemented\n",
169 fullMnemonic.size() ? fullMnemonic.c_str() : mnemonic);
170 warned = true;
171 }
172
173 return NoFault;
174}
175
176std::string
177WarnUnimplemented::generateDisassembly(Addr pc, const SymbolTable *symtab) const
178{
179 return csprintf("%-10s (unimplemented)",
180 fullMnemonic.size() ? fullMnemonic.c_str() : mnemonic);
181}
182
183
184
185FlushPipeInst::FlushPipeInst(const char *_mnemonic, ExtMachInst _machInst)
186 : ArmStaticInst(_mnemonic, _machInst, No_OpClass)
187{
188 flags[IsNonSpeculative] = true;
189}
190
191Fault
192FlushPipeInst::execute(ExecContext *xc, Trace::InstRecord *traceData) const
193{
194 Fault fault = std::make_shared<FlushPipe>();
195 return fault;
196}
197
198std::string
199FlushPipeInst::generateDisassembly(Addr pc, const SymbolTable *symtab) const
200{
201 return csprintf("%-10s (pipe flush)", mnemonic);
202}