4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer;
10// redistributions in binary form must reproduce the above copyright
11// notice, this list of conditions and the following disclaimer in the
12// documentation and/or other materials provided with the distribution;
13// neither the name of the copyright holders nor the names of its
14// contributors may be used to endorse or promote products derived from
15// this software without specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28//
29// Authors: Korey Sewell
30
31// Declarations for execute() methods.
32def template BasicExecDeclare {{
33 Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const;
34}};
35
36// Basic instruction class declaration template.
37def template BasicDeclare {{
38 /**
39 * Static instruction class for "%(mnemonic)s".
40 */
41 class %(class_name)s : public %(base_class)s
42 {
43 public:
44 /// Constructor.
45 %(class_name)s(MachInst machInst);
46 %(BasicExecDeclare)s
47 };
48}};
49
50// Basic instruction class constructor template.
51def template BasicConstructor {{
52 inline %(class_name)s::%(class_name)s(MachInst machInst) : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
53 {
54 %(constructor)s;
55 }
56}};
57
58
59// Basic instruction class execute method template.
60def template BasicExecute {{
61 Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
62 {
63 Fault fault = NoFault;
64
65 %(fp_enable_check)s;
66 %(op_decl)s;
67 %(op_rd)s;
68 %(code)s;
69
70 if(fault == NoFault)
71 {
72 %(op_wb)s;
73 }
74 return fault;
75 }
76}};
77
78// Basic decode template.
79def template BasicDecode {{
80 return new %(class_name)s(machInst);
81}};
82
83// Basic decode template, passing mnemonic in as string arg to constructor.
84def template BasicDecodeWithMnemonic {{
85 return new %(class_name)s("%(mnemonic)s", machInst);
86}};
87
88// The most basic instruction format... used only for a few misc. insts
89def format BasicOp(code, *flags) {{
90 iop = InstObjParams(name, Name, 'MipsStaticInst', CodeBlock(code), flags)
91 header_output = BasicDeclare.subst(iop)
92 decoder_output = BasicConstructor.subst(iop)
93 decode_block = BasicDecode.subst(iop)
94 exec_output = BasicExecute.subst(iop)
95}};
| 4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer;
10// redistributions in binary form must reproduce the above copyright
11// notice, this list of conditions and the following disclaimer in the
12// documentation and/or other materials provided with the distribution;
13// neither the name of the copyright holders nor the names of its
14// contributors may be used to endorse or promote products derived from
15// this software without specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28//
29// Authors: Korey Sewell
30
31// Declarations for execute() methods.
32def template BasicExecDeclare {{
33 Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const;
34}};
35
36// Basic instruction class declaration template.
37def template BasicDeclare {{
38 /**
39 * Static instruction class for "%(mnemonic)s".
40 */
41 class %(class_name)s : public %(base_class)s
42 {
43 public:
44 /// Constructor.
45 %(class_name)s(MachInst machInst);
46 %(BasicExecDeclare)s
47 };
48}};
49
50// Basic instruction class constructor template.
51def template BasicConstructor {{
52 inline %(class_name)s::%(class_name)s(MachInst machInst) : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
53 {
54 %(constructor)s;
55 }
56}};
57
58
59// Basic instruction class execute method template.
60def template BasicExecute {{
61 Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
62 {
63 Fault fault = NoFault;
64
65 %(fp_enable_check)s;
66 %(op_decl)s;
67 %(op_rd)s;
68 %(code)s;
69
70 if(fault == NoFault)
71 {
72 %(op_wb)s;
73 }
74 return fault;
75 }
76}};
77
78// Basic decode template.
79def template BasicDecode {{
80 return new %(class_name)s(machInst);
81}};
82
83// Basic decode template, passing mnemonic in as string arg to constructor.
84def template BasicDecodeWithMnemonic {{
85 return new %(class_name)s("%(mnemonic)s", machInst);
86}};
87
88// The most basic instruction format... used only for a few misc. insts
89def format BasicOp(code, *flags) {{
90 iop = InstObjParams(name, Name, 'MipsStaticInst', CodeBlock(code), flags)
91 header_output = BasicDeclare.subst(iop)
92 decoder_output = BasicConstructor.subst(iop)
93 decode_block = BasicDecode.subst(iop)
94 exec_output = BasicExecute.subst(iop)
95}};
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