1// -*- mode:c++ -*-
2
| 1// -*- mode:c++ -*-
2
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3// Copyright (c) 2006 The Regents of The University of Michigan
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: Steve Reinhardt
30// Korey Sewell
| 3// Copyright .AN) 2007 MIPS Technologies, Inc. All Rights Reserved
|
31
| 4
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| 5// This software is part of the M5 simulator.
6
7// THIS IS A LEGAL AGREEMENT. BY DOWNLOADING, USING, COPYING, CREATING
8// DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING
9// TO THESE TERMS AND CONDITIONS.
10
11// Permission is granted to use, copy, create derivative works and
12// distribute this software and such derivative works for any purpose,
13// so long as (1) the copyright notice above, this grant of permission,
14// and the disclaimer below appear in all copies and derivative works
15// made, (2) the copyright notice above is augmented as appropriate to
16// reflect the addition of any new copyrightable work in a derivative
17// work (e.g., Copyright .AN) <Publication Year> Copyright Owner), and (3)
18// the name of MIPS Technologies, Inc. ($B!H(BMIPS$B!I(B) is not used in any
19// advertising or publicity pertaining to the use or distribution of
20// this software without specific, written prior authorization.
21
22// THIS SOFTWARE IS PROVIDED $B!H(BAS IS.$B!I(B MIPS MAKES NO WARRANTIES AND
23// DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR
24// OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
26// NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE.
27// IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT,
28// INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF
29// ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT,
30// THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY
31// IS ASSERTED ON THE BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE OR
32// STRICT LIABILITY), OR OTHERWISE, EVEN IF MIPS HAS BEEN WARNED OF THE
33// POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE.
34
35//Authors: Steven K. Reinhardt
36// Korey L. Sewell
37
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32// Declarations for execute() methods.
33def template BasicExecDeclare {{
34 Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const;
35}};
36
37// Basic instruction class declaration template.
38def template BasicDeclare {{
39 /**
40 * Static instruction class for "%(mnemonic)s".
41 */
42 class %(class_name)s : public %(base_class)s
43 {
44 public:
45 /// Constructor.
46 %(class_name)s(MachInst machInst);
47 %(BasicExecDeclare)s
48 };
49}};
50
51// Basic instruction class constructor template.
52def template BasicConstructor {{
53 inline %(class_name)s::%(class_name)s(MachInst machInst) : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
54 {
55 %(constructor)s;
56 }
57}};
58
59
60// Basic instruction class execute method template.
61def template BasicExecute {{
62 Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
63 {
64 Fault fault = NoFault;
65
66 %(fp_enable_check)s;
67 %(op_decl)s;
68 %(op_rd)s;
| 38// Declarations for execute() methods.
39def template BasicExecDeclare {{
40 Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const;
41}};
42
43// Basic instruction class declaration template.
44def template BasicDeclare {{
45 /**
46 * Static instruction class for "%(mnemonic)s".
47 */
48 class %(class_name)s : public %(base_class)s
49 {
50 public:
51 /// Constructor.
52 %(class_name)s(MachInst machInst);
53 %(BasicExecDeclare)s
54 };
55}};
56
57// Basic instruction class constructor template.
58def template BasicConstructor {{
59 inline %(class_name)s::%(class_name)s(MachInst machInst) : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
60 {
61 %(constructor)s;
62 }
63}};
64
65
66// Basic instruction class execute method template.
67def template BasicExecute {{
68 Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
69 {
70 Fault fault = NoFault;
71
72 %(fp_enable_check)s;
73 %(op_decl)s;
74 %(op_rd)s;
|
69 %(code)s;
70
| |
71 if(fault == NoFault)
72 {
| 75 if(fault == NoFault)
76 {
|
| 77 %(code)s;
78 if(fault == NoFault){
|
73 %(op_wb)s;
| 79 %(op_wb)s;
|
| 80 }
|
74 }
75 return fault;
76 }
77}};
78
79// Basic decode template.
80def template BasicDecode {{
81 return new %(class_name)s(machInst);
82}};
83
84// Basic decode template, passing mnemonic in as string arg to constructor.
85def template BasicDecodeWithMnemonic {{
86 return new %(class_name)s("%(mnemonic)s", machInst);
87}};
88
89// The most basic instruction format...
90def format BasicOp(code, *flags) {{
91 iop = InstObjParams(name, Name, 'MipsStaticInst', code, flags)
92 header_output = BasicDeclare.subst(iop)
93 decoder_output = BasicConstructor.subst(iop)
94 decode_block = BasicDecode.subst(iop)
95 exec_output = BasicExecute.subst(iop)
96}};
| 81 }
82 return fault;
83 }
84}};
85
86// Basic decode template.
87def template BasicDecode {{
88 return new %(class_name)s(machInst);
89}};
90
91// Basic decode template, passing mnemonic in as string arg to constructor.
92def template BasicDecodeWithMnemonic {{
93 return new %(class_name)s("%(mnemonic)s", machInst);
94}};
95
96// The most basic instruction format...
97def format BasicOp(code, *flags) {{
98 iop = InstObjParams(name, Name, 'MipsStaticInst', code, flags)
99 header_output = BasicDeclare.subst(iop)
100 decoder_output = BasicConstructor.subst(iop)
101 decode_block = BasicDecode.subst(iop)
102 exec_output = BasicExecute.subst(iop)
103}};
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