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 {{
| 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;
| 33 Fault execute(ExecContext *, Trace::InstRecord *) const;
|
34}};
35
36def template DoFpOpDeclare {{
| 34}};
35
36def template DoFpOpDeclare {{
|
37 Fault doFpOp(%(CPU_exec_context)s *, Trace::InstRecord *)
| 37 Fault doFpOp(ExecContext *, Trace::InstRecord *)
|
38 const M5_NO_INLINE;
39}};
40
41// Definitions of execute methods that panic.
42def template BasicExecPanic {{
43 Fault
| 38 const M5_NO_INLINE;
39}};
40
41// Definitions of execute methods that panic.
42def template BasicExecPanic {{
43 Fault
|
44 execute(%(CPU_exec_context)s *, Trace::InstRecord *) const
| 44 execute(ExecContext *, Trace::InstRecord *) const
|
45 {
46 panic("Execute method called when it shouldn't!");
47 M5_DUMMY_RETURN
48 }
49}};
50
51// Basic instruction class declaration template.
52def template BasicDeclare {{
53 /**
54 * Static instruction class for "%(mnemonic)s".
55 */
56 class %(class_name)s : public %(base_class)s
57 {
58 public:
59 // Constructor.
60 %(class_name)s(ExtMachInst machInst);
61 %(BasicExecDeclare)s
62 };
63}};
64
65// Basic instruction class declaration template.
66def template FpBasicDeclare {{
67 /**
68 * Static instruction class for "%(mnemonic)s".
69 */
70 class %(class_name)s : public %(base_class)s
71 {
72 public:
73 // Constructor.
74 %(class_name)s(ExtMachInst machInst);
75 %(BasicExecDeclare)s
76 %(DoFpOpDeclare)s
77 };
78}};
79
80// Basic instruction class declaration template.
81def template BasicDeclareWithMnemonic {{
82 /**
83 * Static instruction class for "%(mnemonic)s".
84 */
85 class %(class_name)s : public %(base_class)s
86 {
87 public:
88 // Constructor.
89 %(class_name)s(const char * mnemonic, ExtMachInst machInst);
90 %(BasicExecDeclare)s
91 };
92}};
93
94// Basic instruction class constructor template.
95def template BasicConstructor {{
96 %(class_name)s::%(class_name)s(ExtMachInst machInst)
97 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
98 {
99 %(constructor)s;
100 }
101}};
102
103// Basic instruction class constructor template.
104def template BasicConstructorWithMnemonic {{
105 %(class_name)s::%(class_name)s(const char * mnemonic,
106 ExtMachInst machInst)
107 : %(base_class)s(mnemonic, machInst, %(op_class)s)
108 {
109 %(constructor)s;
110 }
111}};
112
113// Basic instruction class execute method template.
114def template BasicExecute {{
115 Fault
| 45 {
46 panic("Execute method called when it shouldn't!");
47 M5_DUMMY_RETURN
48 }
49}};
50
51// Basic instruction class declaration template.
52def template BasicDeclare {{
53 /**
54 * Static instruction class for "%(mnemonic)s".
55 */
56 class %(class_name)s : public %(base_class)s
57 {
58 public:
59 // Constructor.
60 %(class_name)s(ExtMachInst machInst);
61 %(BasicExecDeclare)s
62 };
63}};
64
65// Basic instruction class declaration template.
66def template FpBasicDeclare {{
67 /**
68 * Static instruction class for "%(mnemonic)s".
69 */
70 class %(class_name)s : public %(base_class)s
71 {
72 public:
73 // Constructor.
74 %(class_name)s(ExtMachInst machInst);
75 %(BasicExecDeclare)s
76 %(DoFpOpDeclare)s
77 };
78}};
79
80// Basic instruction class declaration template.
81def template BasicDeclareWithMnemonic {{
82 /**
83 * Static instruction class for "%(mnemonic)s".
84 */
85 class %(class_name)s : public %(base_class)s
86 {
87 public:
88 // Constructor.
89 %(class_name)s(const char * mnemonic, ExtMachInst machInst);
90 %(BasicExecDeclare)s
91 };
92}};
93
94// Basic instruction class constructor template.
95def template BasicConstructor {{
96 %(class_name)s::%(class_name)s(ExtMachInst machInst)
97 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
98 {
99 %(constructor)s;
100 }
101}};
102
103// Basic instruction class constructor template.
104def template BasicConstructorWithMnemonic {{
105 %(class_name)s::%(class_name)s(const char * mnemonic,
106 ExtMachInst machInst)
107 : %(base_class)s(mnemonic, machInst, %(op_class)s)
108 {
109 %(constructor)s;
110 }
111}};
112
113// Basic instruction class execute method template.
114def template BasicExecute {{
115 Fault
|
116 %(class_name)s::execute(CPU_EXEC_CONTEXT *xc,
| 116 %(class_name)s::execute(ExecContext *xc,
|
117 Trace::InstRecord *traceData) const
118 {
119 Fault fault = NoFault;
120
121 %(fp_enable_check)s;
122 %(op_decl)s;
123 %(op_rd)s;
124 %(code)s;
125
126 if (fault == NoFault) {
127 %(op_wb)s;
128 }
129 return fault;
130 }
131}};
132
133def template DoFpOpExecute {{
134 Fault
| 117 Trace::InstRecord *traceData) const
118 {
119 Fault fault = NoFault;
120
121 %(fp_enable_check)s;
122 %(op_decl)s;
123 %(op_rd)s;
124 %(code)s;
125
126 if (fault == NoFault) {
127 %(op_wb)s;
128 }
129 return fault;
130 }
131}};
132
133def template DoFpOpExecute {{
134 Fault
|
135 %(class_name)s::doFpOp(CPU_EXEC_CONTEXT *xc,
| 135 %(class_name)s::doFpOp(ExecContext *xc,
|
136 Trace::InstRecord *traceData) const
137 {
138 Fault fault = NoFault;
139 %(op_decl)s;
140 %(op_rd)s;
141 %(fp_code)s;
142 if (fault == NoFault) {
143 %(op_wb)s;
144 }
145 return fault;
146 }
147}};
148
149// Basic decode template.
150def template BasicDecode {{
151 return new %(class_name)s(machInst);
152}};
153
154// Basic decode template, passing mnemonic in as string arg to constructor.
155def template BasicDecodeWithMnemonic {{
156 return new %(class_name)s("%(mnemonic)s", machInst);
157}};
158
159// The most basic instruction format... used only for a few misc. insts
160def format BasicOperate(code, *flags) {{
161 code = filterDoubles(code)
162 iop = InstObjParams(name, Name, 'SparcStaticInst', code, flags)
163 header_output = BasicDeclare.subst(iop)
164 decoder_output = BasicConstructor.subst(iop)
165 decode_block = BasicDecode.subst(iop)
166 exec_output = BasicExecute.subst(iop)
167}};
168
169def format FpBasic(code, *flags) {{
170 exec_code = """
171 Fsr |= bits(Fsr, 4, 0) << 5;
172 Fsr = insertBits(Fsr, 4, 0, 0);
173 int newrnd = M5_FE_TONEAREST;
174 switch (Fsr<31:30>) {
175 case 0: newrnd = M5_FE_TONEAREST; break;
176 case 1: newrnd = M5_FE_TOWARDZERO; break;
177 case 2: newrnd = M5_FE_UPWARD; break;
178 case 3: newrnd = M5_FE_DOWNWARD; break;
179 }
180 int oldrnd = m5_fegetround();
181 m5_fesetround(newrnd);
182 __asm__ __volatile__("" ::: "memory");
183 fault = doFpOp(xc, traceData);
184 __asm__ __volatile__("" ::: "memory");
185 m5_fesetround(oldrnd);
186 return fault;
187"""
188 fp_code = filterDoubles(code)
189 iop = InstObjParams(name, Name, 'SparcStaticInst',
190 { "code" : exec_code, "fp_code" : fp_code }, flags)
191 header_output = FpBasicDeclare.subst(iop)
192 decoder_output = BasicConstructor.subst(iop)
193 decode_block = BasicDecode.subst(iop)
194 exec_output = BasicExecute.subst(iop)
195 exec_output += DoFpOpExecute.subst(iop)
196}};
| 136 Trace::InstRecord *traceData) const
137 {
138 Fault fault = NoFault;
139 %(op_decl)s;
140 %(op_rd)s;
141 %(fp_code)s;
142 if (fault == NoFault) {
143 %(op_wb)s;
144 }
145 return fault;
146 }
147}};
148
149// Basic decode template.
150def template BasicDecode {{
151 return new %(class_name)s(machInst);
152}};
153
154// Basic decode template, passing mnemonic in as string arg to constructor.
155def template BasicDecodeWithMnemonic {{
156 return new %(class_name)s("%(mnemonic)s", machInst);
157}};
158
159// The most basic instruction format... used only for a few misc. insts
160def format BasicOperate(code, *flags) {{
161 code = filterDoubles(code)
162 iop = InstObjParams(name, Name, 'SparcStaticInst', code, flags)
163 header_output = BasicDeclare.subst(iop)
164 decoder_output = BasicConstructor.subst(iop)
165 decode_block = BasicDecode.subst(iop)
166 exec_output = BasicExecute.subst(iop)
167}};
168
169def format FpBasic(code, *flags) {{
170 exec_code = """
171 Fsr |= bits(Fsr, 4, 0) << 5;
172 Fsr = insertBits(Fsr, 4, 0, 0);
173 int newrnd = M5_FE_TONEAREST;
174 switch (Fsr<31:30>) {
175 case 0: newrnd = M5_FE_TONEAREST; break;
176 case 1: newrnd = M5_FE_TOWARDZERO; break;
177 case 2: newrnd = M5_FE_UPWARD; break;
178 case 3: newrnd = M5_FE_DOWNWARD; break;
179 }
180 int oldrnd = m5_fegetround();
181 m5_fesetround(newrnd);
182 __asm__ __volatile__("" ::: "memory");
183 fault = doFpOp(xc, traceData);
184 __asm__ __volatile__("" ::: "memory");
185 m5_fesetround(oldrnd);
186 return fault;
187"""
188 fp_code = filterDoubles(code)
189 iop = InstObjParams(name, Name, 'SparcStaticInst',
190 { "code" : exec_code, "fp_code" : fp_code }, flags)
191 header_output = FpBasicDeclare.subst(iop)
192 decoder_output = BasicConstructor.subst(iop)
193 decode_block = BasicDecode.subst(iop)
194 exec_output = BasicExecute.subst(iop)
195 exec_output += DoFpOpExecute.subst(iop)
196}};
|