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// Declarations for execute() methods.
32def template BasicExecDeclare {{
33 Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const;
34}};
35
36// Definitions of execute methods that panic.
37def template BasicExecPanic {{
38 Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const
39 {
40 panic("Execute method called when it shouldn't!");
41 M5_DUMMY_RETURN
42 }
43}};
44
45// Basic instruction class declaration template.
46def template BasicDeclare {{
47 /**
48 * Static instruction class for "%(mnemonic)s".
49 */
50 class %(class_name)s : public %(base_class)s
51 {
52 public:
53 // Constructor.
54 %(class_name)s(ExtMachInst machInst);
55 %(BasicExecDeclare)s
56 };
57}};
58
| 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// Declarations for execute() methods.
32def template BasicExecDeclare {{
33 Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const;
34}};
35
36// Definitions of execute methods that panic.
37def template BasicExecPanic {{
38 Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const
39 {
40 panic("Execute method called when it shouldn't!");
41 M5_DUMMY_RETURN
42 }
43}};
44
45// Basic instruction class declaration template.
46def template BasicDeclare {{
47 /**
48 * Static instruction class for "%(mnemonic)s".
49 */
50 class %(class_name)s : public %(base_class)s
51 {
52 public:
53 // Constructor.
54 %(class_name)s(ExtMachInst machInst);
55 %(BasicExecDeclare)s
56 };
57}};
58
|
| 59// Basic instruction class declaration template.
60def template BasicDeclareWithMnemonic {{
61 /**
62 * Static instruction class for "%(mnemonic)s".
63 */
64 class %(class_name)s : public %(base_class)s
65 {
66 public:
67 // Constructor.
68 %(class_name)s(const char * mnemonic, ExtMachInst machInst);
69 %(BasicExecDeclare)s
70 };
71}};
72
|
59// Basic instruction class constructor template.
60def template BasicConstructor {{
61 inline %(class_name)s::%(class_name)s(ExtMachInst machInst)
62 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
63 {
64 %(constructor)s;
65 }
66}};
67
| 73// Basic instruction class constructor template.
74def template BasicConstructor {{
75 inline %(class_name)s::%(class_name)s(ExtMachInst machInst)
76 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
77 {
78 %(constructor)s;
79 }
80}};
81
|
| 82// Basic instruction class constructor template.
83def template BasicConstructorWithMnemonic {{
84 inline %(class_name)s::%(class_name)s(const char * mnemonic,
85 ExtMachInst machInst)
86 : %(base_class)s(mnemonic, machInst, %(op_class)s)
87 {
88 %(constructor)s;
89 }
90}};
91
|
68// Basic instruction class execute method template.
69def template BasicExecute {{
70 Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
71 Trace::InstRecord *traceData) const
72 {
73 Fault fault = NoFault;
74
75 %(fp_enable_check)s;
76 %(op_decl)s;
77 %(op_rd)s;
78 %(code)s;
79
80 if(fault == NoFault)
81 {
82 %(op_wb)s;
83 }
84 return fault;
85 }
86}};
87
88// Basic decode template.
89def template BasicDecode {{
90 return new %(class_name)s(machInst);
91}};
92
93// Basic decode template, passing mnemonic in as string arg to constructor.
94def template BasicDecodeWithMnemonic {{
95 return new %(class_name)s("%(mnemonic)s", machInst);
96}};
97
98// The most basic instruction format... used only for a few misc. insts
99def format BasicOperate(code, *flags) {{
100 code = filterDoubles(code)
101 iop = InstObjParams(name, Name, 'SparcStaticInst', code, flags)
102 header_output = BasicDeclare.subst(iop)
103 decoder_output = BasicConstructor.subst(iop)
104 decode_block = BasicDecode.subst(iop)
105 exec_output = BasicExecute.subst(iop)
106}};
107
108def format FpBasic(code, *flags) {{
109 fp_code = """
110 Fsr |= bits(Fsr,4,0) << 5;
111 Fsr = insertBits(Fsr,4,0,0);
112 int newrnd = M5_FE_TONEAREST;
113 switch (Fsr<31:30>) {
114 case 0: newrnd = M5_FE_TONEAREST; break;
115 case 1: newrnd = M5_FE_TOWARDZERO; break;
116 case 2: newrnd = M5_FE_UPWARD; break;
117 case 3: newrnd = M5_FE_DOWNWARD; break;
118 }
119 int oldrnd = m5_fegetround();
120 m5_fesetround(newrnd);
121"""
122
123 fp_code += code
124
125
126 fp_code += """
127 m5_fesetround(oldrnd);
128"""
129 fp_code = filterDoubles(fp_code)
130 iop = InstObjParams(name, Name, 'SparcStaticInst', fp_code, flags)
131 header_output = BasicDeclare.subst(iop)
132 decoder_output = BasicConstructor.subst(iop)
133 decode_block = BasicDecode.subst(iop)
134 exec_output = BasicExecute.subst(iop)
135}};
| 92// Basic instruction class execute method template.
93def template BasicExecute {{
94 Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
95 Trace::InstRecord *traceData) const
96 {
97 Fault fault = NoFault;
98
99 %(fp_enable_check)s;
100 %(op_decl)s;
101 %(op_rd)s;
102 %(code)s;
103
104 if(fault == NoFault)
105 {
106 %(op_wb)s;
107 }
108 return fault;
109 }
110}};
111
112// Basic decode template.
113def template BasicDecode {{
114 return new %(class_name)s(machInst);
115}};
116
117// Basic decode template, passing mnemonic in as string arg to constructor.
118def template BasicDecodeWithMnemonic {{
119 return new %(class_name)s("%(mnemonic)s", machInst);
120}};
121
122// The most basic instruction format... used only for a few misc. insts
123def format BasicOperate(code, *flags) {{
124 code = filterDoubles(code)
125 iop = InstObjParams(name, Name, 'SparcStaticInst', code, flags)
126 header_output = BasicDeclare.subst(iop)
127 decoder_output = BasicConstructor.subst(iop)
128 decode_block = BasicDecode.subst(iop)
129 exec_output = BasicExecute.subst(iop)
130}};
131
132def format FpBasic(code, *flags) {{
133 fp_code = """
134 Fsr |= bits(Fsr,4,0) << 5;
135 Fsr = insertBits(Fsr,4,0,0);
136 int newrnd = M5_FE_TONEAREST;
137 switch (Fsr<31:30>) {
138 case 0: newrnd = M5_FE_TONEAREST; break;
139 case 1: newrnd = M5_FE_TOWARDZERO; break;
140 case 2: newrnd = M5_FE_UPWARD; break;
141 case 3: newrnd = M5_FE_DOWNWARD; break;
142 }
143 int oldrnd = m5_fegetround();
144 m5_fesetround(newrnd);
145"""
146
147 fp_code += code
148
149
150 fp_code += """
151 m5_fesetround(oldrnd);
152"""
153 fp_code = filterDoubles(fp_code)
154 iop = InstObjParams(name, Name, 'SparcStaticInst', fp_code, flags)
155 header_output = BasicDeclare.subst(iop)
156 decoder_output = BasicConstructor.subst(iop)
157 decode_block = BasicDecode.subst(iop)
158 exec_output = BasicExecute.subst(iop)
159}};
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