1// Copyright (c) 2006-2007 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: Ali Saidi
28// Gabe Black
29// Steve Reinhardt
30
31// Basic instruction class declaration template.
32def template BasicDeclare {{
33/**
34 * Static instruction class for "%(mnemonic)s".
35 */
36class %(class_name)s : public %(base_class)s
37{
38 public:
39 // Constructor.
40 %(class_name)s(ExtMachInst machInst);
| 1// Copyright (c) 2006-2007 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: Ali Saidi
28// Gabe Black
29// Steve Reinhardt
30
31// Basic instruction class declaration template.
32def template BasicDeclare {{
33/**
34 * Static instruction class for "%(mnemonic)s".
35 */
36class %(class_name)s : public %(base_class)s
37{
38 public:
39 // Constructor.
40 %(class_name)s(ExtMachInst machInst);
|
41 Fault execute(ExecContext *, Trace::InstRecord *) const;
| 41 Fault execute(ExecContext *, Trace::InstRecord *) const override;
|
42};
43}};
44
45// Basic instruction class declaration template.
46def template FpBasicDeclare {{
47/**
48 * Static instruction class for "%(mnemonic)s".
49 */
50class %(class_name)s : public %(base_class)s
51{
52 public:
53 // Constructor.
54 %(class_name)s(ExtMachInst machInst);
| 42};
43}};
44
45// Basic instruction class declaration template.
46def template FpBasicDeclare {{
47/**
48 * Static instruction class for "%(mnemonic)s".
49 */
50class %(class_name)s : public %(base_class)s
51{
52 public:
53 // Constructor.
54 %(class_name)s(ExtMachInst machInst);
|
55 Fault execute(ExecContext *, Trace::InstRecord *) const;
| 55 Fault execute(ExecContext *, Trace::InstRecord *) const override;
|
56 Fault doFpOp(ExecContext *, Trace::InstRecord *) const M5_NO_INLINE;
57};
58}};
59
60// Basic instruction class declaration template.
61def template BasicDeclareWithMnemonic {{
62/**
63 * Static instruction class for "%(mnemonic)s".
64 */
65class %(class_name)s : public %(base_class)s
66{
67 public:
68 // Constructor.
69 %(class_name)s(const char *mnemonic, ExtMachInst machInst);
| 56 Fault doFpOp(ExecContext *, Trace::InstRecord *) const M5_NO_INLINE;
57};
58}};
59
60// Basic instruction class declaration template.
61def template BasicDeclareWithMnemonic {{
62/**
63 * Static instruction class for "%(mnemonic)s".
64 */
65class %(class_name)s : public %(base_class)s
66{
67 public:
68 // Constructor.
69 %(class_name)s(const char *mnemonic, ExtMachInst machInst);
|
70 Fault execute(ExecContext *, Trace::InstRecord *) const;
| 70 Fault execute(ExecContext *, Trace::InstRecord *) const override;
|
71};
72}};
73
74// Basic instruction class constructor template.
75def template BasicConstructor {{
76%(class_name)s::%(class_name)s(ExtMachInst machInst) :
77 %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
78{
79 %(constructor)s;
80}
81}};
82
83// Basic instruction class constructor template.
84def template BasicConstructorWithMnemonic {{
85%(class_name)s::%(class_name)s(const char *mnemonic, ExtMachInst machInst) :
86 %(base_class)s(mnemonic, machInst, %(op_class)s)
87{
88 %(constructor)s;
89}
90}};
91
92// Basic instruction class execute method template.
93def template BasicExecute {{
94Fault
95%(class_name)s::execute(ExecContext *xc,
96 Trace::InstRecord *traceData) const
97{
98 Fault fault = NoFault;
99
100 %(fp_enable_check)s;
101 %(op_decl)s;
102 %(op_rd)s;
103 %(code)s;
104
105 if (fault == NoFault) {
106 %(op_wb)s;
107 }
108 return fault;
109}
110}};
111
112def template DoFpOpExecute {{
113Fault
114%(class_name)s::doFpOp(ExecContext *xc, Trace::InstRecord *traceData) const
115{
116 Fault fault = NoFault;
117 %(op_decl)s;
118 %(op_rd)s;
119 %(fp_code)s;
120 if (fault == NoFault) {
121 %(op_wb)s;
122 }
123 return fault;
124}
125}};
126
127// Basic decode template.
128def template BasicDecode {{
129return new %(class_name)s(machInst);
130}};
131
132// Basic decode template, passing mnemonic in as string arg to constructor.
133def template BasicDecodeWithMnemonic {{
134return new %(class_name)s("%(mnemonic)s", machInst);
135}};
136
137// The most basic instruction format... used only for a few misc. insts
138def format BasicOperate(code, *flags) {{
139 code = filterDoubles(code)
140 iop = InstObjParams(name, Name, 'SparcStaticInst', code, flags)
141 header_output = BasicDeclare.subst(iop)
142 decoder_output = BasicConstructor.subst(iop)
143 decode_block = BasicDecode.subst(iop)
144 exec_output = BasicExecute.subst(iop)
145
146}};
147
148def format FpBasic(code, *flags) {{
149 exec_code = """
150 Fsr |= bits(Fsr, 4, 0) << 5;
151 Fsr = insertBits(Fsr, 4, 0, 0);
152 int newrnd = M5_FE_TONEAREST;
153 switch (Fsr<31:30>) {
154 case 0: newrnd = M5_FE_TONEAREST; break;
155 case 1: newrnd = M5_FE_TOWARDZERO; break;
156 case 2: newrnd = M5_FE_UPWARD; break;
157 case 3: newrnd = M5_FE_DOWNWARD; break;
158 }
159 int oldrnd = m5_fegetround();
160 m5_fesetround(newrnd);
161 __asm__ __volatile__("" ::: "memory");
162 fault = doFpOp(xc, traceData);
163 __asm__ __volatile__("" ::: "memory");
164 m5_fesetround(oldrnd);
165 return fault;
166"""
167 fp_code = filterDoubles(code)
168 iop = InstObjParams(name, Name, 'SparcStaticInst',
169 { "code" : exec_code, "fp_code" : fp_code }, flags)
170 header_output = FpBasicDeclare.subst(iop)
171 decoder_output = BasicConstructor.subst(iop)
172 decode_block = BasicDecode.subst(iop)
173 exec_output = BasicExecute.subst(iop)
174 exec_output += DoFpOpExecute.subst(iop)
175}};
| 71};
72}};
73
74// Basic instruction class constructor template.
75def template BasicConstructor {{
76%(class_name)s::%(class_name)s(ExtMachInst machInst) :
77 %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
78{
79 %(constructor)s;
80}
81}};
82
83// Basic instruction class constructor template.
84def template BasicConstructorWithMnemonic {{
85%(class_name)s::%(class_name)s(const char *mnemonic, ExtMachInst machInst) :
86 %(base_class)s(mnemonic, machInst, %(op_class)s)
87{
88 %(constructor)s;
89}
90}};
91
92// Basic instruction class execute method template.
93def template BasicExecute {{
94Fault
95%(class_name)s::execute(ExecContext *xc,
96 Trace::InstRecord *traceData) const
97{
98 Fault fault = NoFault;
99
100 %(fp_enable_check)s;
101 %(op_decl)s;
102 %(op_rd)s;
103 %(code)s;
104
105 if (fault == NoFault) {
106 %(op_wb)s;
107 }
108 return fault;
109}
110}};
111
112def template DoFpOpExecute {{
113Fault
114%(class_name)s::doFpOp(ExecContext *xc, Trace::InstRecord *traceData) const
115{
116 Fault fault = NoFault;
117 %(op_decl)s;
118 %(op_rd)s;
119 %(fp_code)s;
120 if (fault == NoFault) {
121 %(op_wb)s;
122 }
123 return fault;
124}
125}};
126
127// Basic decode template.
128def template BasicDecode {{
129return new %(class_name)s(machInst);
130}};
131
132// Basic decode template, passing mnemonic in as string arg to constructor.
133def template BasicDecodeWithMnemonic {{
134return new %(class_name)s("%(mnemonic)s", machInst);
135}};
136
137// The most basic instruction format... used only for a few misc. insts
138def format BasicOperate(code, *flags) {{
139 code = filterDoubles(code)
140 iop = InstObjParams(name, Name, 'SparcStaticInst', code, flags)
141 header_output = BasicDeclare.subst(iop)
142 decoder_output = BasicConstructor.subst(iop)
143 decode_block = BasicDecode.subst(iop)
144 exec_output = BasicExecute.subst(iop)
145
146}};
147
148def format FpBasic(code, *flags) {{
149 exec_code = """
150 Fsr |= bits(Fsr, 4, 0) << 5;
151 Fsr = insertBits(Fsr, 4, 0, 0);
152 int newrnd = M5_FE_TONEAREST;
153 switch (Fsr<31:30>) {
154 case 0: newrnd = M5_FE_TONEAREST; break;
155 case 1: newrnd = M5_FE_TOWARDZERO; break;
156 case 2: newrnd = M5_FE_UPWARD; break;
157 case 3: newrnd = M5_FE_DOWNWARD; break;
158 }
159 int oldrnd = m5_fegetround();
160 m5_fesetround(newrnd);
161 __asm__ __volatile__("" ::: "memory");
162 fault = doFpOp(xc, traceData);
163 __asm__ __volatile__("" ::: "memory");
164 m5_fesetround(oldrnd);
165 return fault;
166"""
167 fp_code = filterDoubles(code)
168 iop = InstObjParams(name, Name, 'SparcStaticInst',
169 { "code" : exec_code, "fp_code" : fp_code }, flags)
170 header_output = FpBasicDeclare.subst(iop)
171 decoder_output = BasicConstructor.subst(iop)
172 decode_block = BasicDecode.subst(iop)
173 exec_output = BasicExecute.subst(iop)
174 exec_output += DoFpOpExecute.subst(iop)
175}};
|