1// -*- mode:c++ -*-
2
3// Copyright (c) 2010 ARM Limited
4// All rights reserved
5//
6// The license below extends only to copyright in the software and shall
7// not be construed as granting a license to any other intellectual
8// property including but not limited to intellectual property relating
9// to a hardware implementation of the functionality of the software
10// licensed hereunder. You may use the software subject to the license
11// terms below provided that you ensure that this notice is replicated
12// unmodified and in its entirety in all distributions of the software,
13// modified or unmodified, in source code or in binary form.
14//
15// Redistribution and use in source and binary forms, with or without
16// modification, are permitted provided that the following conditions are
17// met: redistributions of source code must retain the above copyright
18// notice, this list of conditions and the following disclaimer;
19// redistributions in binary form must reproduce the above copyright
20// notice, this list of conditions and the following disclaimer in the
21// documentation and/or other materials provided with the distribution;
22// neither the name of the copyright holders nor the names of its
23// contributors may be used to endorse or promote products derived from
24// this software without specific prior written permission.
25//
26// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37//
38// Authors: Gabe Black
39
40let {{
41
42 class LoadStoreInst(object):
43 def __init__(self):
44 self.fullExecTemplate = eval(self.execBase + 'Execute')
45 self.initiateAccTemplate = eval(self.execBase + 'InitiateAcc')
46 self.completeAccTemplate = eval(self.execBase + 'CompleteAcc')
47 self.declareTemplate = eval(self.decConstBase + 'Declare')
48 self.constructTemplate = eval(self.decConstBase + 'Constructor')
49
50 def fillTemplates(self, name, Name, codeBlobs, memFlags, instFlags,
| 1// -*- mode:c++ -*-
2
3// Copyright (c) 2010 ARM Limited
4// All rights reserved
5//
6// The license below extends only to copyright in the software and shall
7// not be construed as granting a license to any other intellectual
8// property including but not limited to intellectual property relating
9// to a hardware implementation of the functionality of the software
10// licensed hereunder. You may use the software subject to the license
11// terms below provided that you ensure that this notice is replicated
12// unmodified and in its entirety in all distributions of the software,
13// modified or unmodified, in source code or in binary form.
14//
15// Redistribution and use in source and binary forms, with or without
16// modification, are permitted provided that the following conditions are
17// met: redistributions of source code must retain the above copyright
18// notice, this list of conditions and the following disclaimer;
19// redistributions in binary form must reproduce the above copyright
20// notice, this list of conditions and the following disclaimer in the
21// documentation and/or other materials provided with the distribution;
22// neither the name of the copyright holders nor the names of its
23// contributors may be used to endorse or promote products derived from
24// this software without specific prior written permission.
25//
26// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37//
38// Authors: Gabe Black
39
40let {{
41
42 class LoadStoreInst(object):
43 def __init__(self):
44 self.fullExecTemplate = eval(self.execBase + 'Execute')
45 self.initiateAccTemplate = eval(self.execBase + 'InitiateAcc')
46 self.completeAccTemplate = eval(self.execBase + 'CompleteAcc')
47 self.declareTemplate = eval(self.decConstBase + 'Declare')
48 self.constructTemplate = eval(self.decConstBase + 'Constructor')
49
50 def fillTemplates(self, name, Name, codeBlobs, memFlags, instFlags,
|
51 base = 'Memory', wbDecl = None):
| 51 base = 'Memory', wbDecl = None, pcDecl = None):
|
52 # Make sure flags are in lists (convert to lists if not).
53 memFlags = makeList(memFlags)
54 instFlags = makeList(instFlags)
55
56 eaCode = codeBlobs["ea_code"]
57
58 # This shouldn't be part of the eaCode, but until the exec templates
59 # are converted over it's the easiest place to put it.
60 eaCode += '\n unsigned memAccessFlags = '
61 eaCode += (string.join(memFlags, '|') + ';')
62
63 codeBlobs["ea_code"] = eaCode
64
65 macroName = Name
66 instFlagsCopy = list(instFlags)
67 codeBlobsCopy = dict(codeBlobs)
| 52 # Make sure flags are in lists (convert to lists if not).
53 memFlags = makeList(memFlags)
54 instFlags = makeList(instFlags)
55
56 eaCode = codeBlobs["ea_code"]
57
58 # This shouldn't be part of the eaCode, but until the exec templates
59 # are converted over it's the easiest place to put it.
60 eaCode += '\n unsigned memAccessFlags = '
61 eaCode += (string.join(memFlags, '|') + ';')
62
63 codeBlobs["ea_code"] = eaCode
64
65 macroName = Name
66 instFlagsCopy = list(instFlags)
67 codeBlobsCopy = dict(codeBlobs)
|
68 if wbDecl is not None:
| 68
69 use_uops = 0
70 if wbDecl is not None or pcDecl is not None:
|
69 instFlagsCopy.append('IsMicroop')
70 Name = Name + 'Acc'
| 71 instFlagsCopy.append('IsMicroop')
72 Name = Name + 'Acc'
|
| 73 use_uops = 1
74
75 use_wb = 0
76 use_pc = 0
77 if wbDecl is not None:
78 use_wb = 1
79 if pcDecl is not None:
80 use_pc = 1
81
|
71 codeBlobsCopy['acc_name'] = Name
72 codeBlobsCopy['wb_decl'] = wbDecl
| 82 codeBlobsCopy['acc_name'] = Name
83 codeBlobsCopy['wb_decl'] = wbDecl
|
| 84 codeBlobsCopy['pc_decl'] = pcDecl
|
73 codeBlobsCopy['use_uops'] = 0
| 85 codeBlobsCopy['use_uops'] = 0
|
| 86 codeBlobsCopy['use_wb'] = 0
87 codeBlobsCopy['use_pc'] = 0
|
74
75 iop = InstObjParams(name, Name, base,
76 codeBlobsCopy, instFlagsCopy)
77
78 header_output = self.declareTemplate.subst(iop)
79 decoder_output = self.constructTemplate.subst(iop)
80 exec_output = self.fullExecTemplate.subst(iop) + \
81 self.initiateAccTemplate.subst(iop) + \
82 self.completeAccTemplate.subst(iop)
83
| 88
89 iop = InstObjParams(name, Name, base,
90 codeBlobsCopy, instFlagsCopy)
91
92 header_output = self.declareTemplate.subst(iop)
93 decoder_output = self.constructTemplate.subst(iop)
94 exec_output = self.fullExecTemplate.subst(iop) + \
95 self.initiateAccTemplate.subst(iop) + \
96 self.completeAccTemplate.subst(iop)
97
|
84 if wbDecl is not None:
| 98 if wbDecl is not None or pcDecl is not None:
|
85 iop = InstObjParams(name, macroName, base,
86 { "wb_decl" : wbDecl,
| 99 iop = InstObjParams(name, macroName, base,
100 { "wb_decl" : wbDecl,
|
| 101 "pc_decl" : pcDecl,
|
87 "acc_name" : Name,
| 102 "acc_name" : Name,
|
88 "use_uops" : 1 },
| 103 "use_uops" : use_uops,
104 "use_pc" : use_pc,
105 "use_wb" : use_wb },
|
89 ['IsMacroop'])
90 header_output += self.declareTemplate.subst(iop)
91 decoder_output += self.constructTemplate.subst(iop)
92 exec_output += PanicExecute.subst(iop) + \
93 PanicInitiateAcc.subst(iop) + \
94 PanicCompleteAcc.subst(iop)
95
96 return (header_output, decoder_output, exec_output)
97
98 def pickPredicate(blobs):
99 for val in blobs.values():
100 if re.search('(?<!Opt)CondCodes', val):
101 return condPredicateTest
102 return predicateTest
103
104 def memClassName(base, post, add, writeback, \
105 size=4, sign=False, user=False):
106 Name = base
107
108 parts = { "P" : post, "A" : add, "W" : writeback,
109 "S" : sign, "U" : user }
110
111 for (letter, val) in parts.items():
112 if val:
113 Name += "_%sY" % letter
114 else:
115 Name += "_%sN" % letter
116
117 Name += ('_SZ%d' % size)
118
119 return Name
120
121 def buildMemSuffix(sign, size):
122 if size == 4:
123 memSuffix = ''
124 elif size == 2:
125 if sign:
126 memSuffix = '.sh'
127 else:
128 memSuffix = '.uh'
129 elif size == 1:
130 if sign:
131 memSuffix = '.sb'
132 else:
133 memSuffix = '.ub'
134 else:
135 raise Exception, "Unrecognized size for access %d" % size
136
137 return memSuffix
138
139 def buildMemBase(base, post, writeback):
140 if post and writeback:
141 base = "MemoryPostIndex<%s>" % base
142 elif not post and writeback:
143 base = "MemoryPreIndex<%s>" % base
144 elif not post and not writeback:
145 base = "MemoryOffset<%s>" % base
146 else:
147 raise Exception, "Illegal combination of post and writeback"
148 return base
149}};
150
| 106 ['IsMacroop'])
107 header_output += self.declareTemplate.subst(iop)
108 decoder_output += self.constructTemplate.subst(iop)
109 exec_output += PanicExecute.subst(iop) + \
110 PanicInitiateAcc.subst(iop) + \
111 PanicCompleteAcc.subst(iop)
112
113 return (header_output, decoder_output, exec_output)
114
115 def pickPredicate(blobs):
116 for val in blobs.values():
117 if re.search('(?<!Opt)CondCodes', val):
118 return condPredicateTest
119 return predicateTest
120
121 def memClassName(base, post, add, writeback, \
122 size=4, sign=False, user=False):
123 Name = base
124
125 parts = { "P" : post, "A" : add, "W" : writeback,
126 "S" : sign, "U" : user }
127
128 for (letter, val) in parts.items():
129 if val:
130 Name += "_%sY" % letter
131 else:
132 Name += "_%sN" % letter
133
134 Name += ('_SZ%d' % size)
135
136 return Name
137
138 def buildMemSuffix(sign, size):
139 if size == 4:
140 memSuffix = ''
141 elif size == 2:
142 if sign:
143 memSuffix = '.sh'
144 else:
145 memSuffix = '.uh'
146 elif size == 1:
147 if sign:
148 memSuffix = '.sb'
149 else:
150 memSuffix = '.ub'
151 else:
152 raise Exception, "Unrecognized size for access %d" % size
153
154 return memSuffix
155
156 def buildMemBase(base, post, writeback):
157 if post and writeback:
158 base = "MemoryPostIndex<%s>" % base
159 elif not post and writeback:
160 base = "MemoryPreIndex<%s>" % base
161 elif not post and not writeback:
162 base = "MemoryOffset<%s>" % base
163 else:
164 raise Exception, "Illegal combination of post and writeback"
165 return base
166}};
167
|