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 header_output = ""
43 decoder_output = ""
44 exec_output = ""
45
46 def loadImmClassName(post, add, writeback, \
47 size=4, sign=False, user=False):
48 return memClassName("LOAD_IMM", post, add, writeback,
49 size, sign, user)
50
51 def loadRegClassName(post, add, writeback, \
52 size=4, sign=False, user=False):
53 return memClassName("LOAD_REG", post, add, writeback,
54 size, sign, user)
55
56 def loadDoubleImmClassName(post, add, writeback):
57 return memClassName("LOAD_IMMD", post, add, writeback, 4, False, False)
58
59 def loadDoubleRegClassName(post, add, writeback):
60 return memClassName("LOAD_REGD", post, add, writeback, 4, False, False)
61
62 def emitLoad(name, Name, imm, eaCode, accCode, memFlags, instFlags, base):
63 global header_output, decoder_output, exec_output
64
65 (newHeader,
66 newDecoder,
67 newExec) = loadStoreBase(name, Name, imm,
68 eaCode, accCode,
69 memFlags, instFlags,
70 base, execTemplateBase = 'Load')
71
72 header_output += newHeader
73 decoder_output += newDecoder
74 exec_output += newExec
75
76 def buildImmLoad(mnem, post, add, writeback, \
77 size=4, sign=False, user=False, prefetch=False):
78 name = mnem
79 Name = loadImmClassName(post, add, writeback, \
80 size, sign, user)
81
82 if add:
83 op = " +"
84 else:
85 op = " -"
86
87 offset = op + " imm"
88 eaCode = "EA = Base"
89 if not post:
90 eaCode += offset
91 eaCode += ";"
92
93 if prefetch:
94 Name = "%s_%s" % (mnem.upper(), Name)
95 memFlags = ["Request::PREFETCH"]
96 accCode = '''
97 uint64_t temp = Mem%s;\n
98 temp = temp;
99 ''' % buildMemSuffix(sign, size)
100 else:
101 memFlags = []
102 accCode = "IWDest = Mem%s;\n" % buildMemSuffix(sign, size)
103 if writeback:
104 accCode += "Base = Base %s;\n" % offset
105 base = buildMemBase("MemoryImm", post, writeback)
106
107 emitLoad(name, Name, True, eaCode, accCode, memFlags, [], base)
108
109 def buildRegLoad(mnem, post, add, writeback, \
110 size=4, sign=False, user=False, prefetch=False):
111 name = mnem
112 Name = loadRegClassName(post, add, writeback,
113 size, sign, user)
114
115 if add:
116 op = " +"
117 else:
118 op = " -"
119
120 offset = op + " shift_rm_imm(Index, shiftAmt," + \
121 " shiftType, CondCodes<29:>)"
122 eaCode = "EA = Base"
123 if not post:
124 eaCode += offset
125 eaCode += ";"
126
127 if prefetch:
128 Name = "%s_%s" % (mnem.upper(), Name)
129 memFlags = ["Request::PREFETCH"]
130 accCode = '''
131 uint64_t temp = Mem%s;\n
132 temp = temp;
133 ''' % buildMemSuffix(sign, size)
134 else:
135 memFlags = []
136 accCode = "IWDest = Mem%s;\n" % buildMemSuffix(sign, size)
137 if writeback:
138 accCode += "Base = Base %s;\n" % offset
139 base = buildMemBase("MemoryReg", post, writeback)
140
141 emitLoad(name, Name, False, eaCode, accCode, memFlags, [], base)
142
143 def buildDoubleImmLoad(mnem, post, add, writeback):
144 name = mnem
145 Name = loadDoubleImmClassName(post, add, writeback)
146
147 if add:
148 op = " +"
149 else:
150 op = " -"
151
152 offset = op + " imm"
153 eaCode = "EA = Base"
154 if not post:
155 eaCode += offset
156 eaCode += ";"
157
158 accCode = '''
159 Rdo = bits(Mem.ud, 31, 0);
160 Rde = bits(Mem.ud, 63, 32);
161 '''
162 if writeback:
163 accCode += "Base = Base %s;\n" % offset
164 base = buildMemBase("MemoryImm", post, writeback)
165
166 emitLoad(name, Name, True, eaCode, accCode, [], [], base)
167
168 def buildDoubleRegLoad(mnem, post, add, writeback):
169 name = mnem
170 Name = loadDoubleRegClassName(post, add, writeback)
171
172 if add:
173 op = " +"
174 else:
175 op = " -"
176
177 offset = op + " shift_rm_imm(Index, shiftAmt," + \
178 " shiftType, CondCodes<29:>)"
179 eaCode = "EA = Base"
180 if not post:
181 eaCode += offset
182 eaCode += ";"
183
184 accCode = '''
185 Rdo = bits(Mem.ud, 31, 0);
186 Rde = bits(Mem.ud, 63, 32);
187 '''
188 if writeback:
189 accCode += "Base = Base %s;\n" % offset
190 base = buildMemBase("MemoryReg", post, writeback)
191
192 emitLoad(name, Name, False, eaCode, accCode, [], [], base)
193
194 def buildLoads(mnem, size=4, sign=False, user=False):
195 buildImmLoad(mnem, True, True, True, size, sign, user)
196 buildRegLoad(mnem, True, True, True, size, sign, user)
197 buildImmLoad(mnem, True, False, True, size, sign, user)
198 buildRegLoad(mnem, True, False, True, size, sign, user)
199 buildImmLoad(mnem, False, True, True, size, sign, user)
200 buildRegLoad(mnem, False, True, True, size, sign, user)
201 buildImmLoad(mnem, False, False, True, size, sign, user)
202 buildRegLoad(mnem, False, False, True, size, sign, user)
203 buildImmLoad(mnem, False, True, False, size, sign, user)
204 buildRegLoad(mnem, False, True, False, size, sign, user)
205 buildImmLoad(mnem, False, False, False, size, sign, user)
206 buildRegLoad(mnem, False, False, False, size, sign, user)
207
208 def buildDoubleLoads(mnem):
209 buildDoubleImmLoad(mnem, True, True, True)
210 buildDoubleRegLoad(mnem, True, True, True)
211 buildDoubleImmLoad(mnem, True, False, True)
212 buildDoubleRegLoad(mnem, True, False, True)
213 buildDoubleImmLoad(mnem, False, True, True)
214 buildDoubleRegLoad(mnem, False, True, True)
215 buildDoubleImmLoad(mnem, False, False, True)
216 buildDoubleRegLoad(mnem, False, False, True)
217 buildDoubleImmLoad(mnem, False, True, False)
218 buildDoubleRegLoad(mnem, False, True, False)
219 buildDoubleImmLoad(mnem, False, False, False)
220 buildDoubleRegLoad(mnem, False, False, False)
221
222 def buildPrefetches(mnem):
223 buildRegLoad(mnem, False, False, False, size=1, prefetch=True)
224 buildImmLoad(mnem, False, False, False, size=1, prefetch=True)
225 buildRegLoad(mnem, False, True, False, size=1, prefetch=True)
226 buildImmLoad(mnem, False, True, False, size=1, prefetch=True)
227
228 buildLoads("ldr")
229 buildLoads("ldrt", user=True)
230 buildLoads("ldrb", size=1)
231 buildLoads("ldrbt", size=1, user=True)
232 buildLoads("ldrsb", size=1, sign=True)
233 buildLoads("ldrsbt", size=1, sign=True, user=True)
234 buildLoads("ldrh", size=2)
235 buildLoads("ldrht", size=2, user=True)
236 buildLoads("hdrsh", size=2, sign=True)
237 buildLoads("ldrsht", size=2, sign=True, user=True)
238
239 buildDoubleLoads("ldrd")
240
241 buildPrefetches("pld")
242 buildPrefetches("pldw")
243 buildPrefetches("pli")
244}};
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 header_output = ""
43 decoder_output = ""
44 exec_output = ""
45
46 def loadImmClassName(post, add, writeback, \
47 size=4, sign=False, user=False):
48 return memClassName("LOAD_IMM", post, add, writeback,
49 size, sign, user)
50
51 def loadRegClassName(post, add, writeback, \
52 size=4, sign=False, user=False):
53 return memClassName("LOAD_REG", post, add, writeback,
54 size, sign, user)
55
56 def loadDoubleImmClassName(post, add, writeback):
57 return memClassName("LOAD_IMMD", post, add, writeback, 4, False, False)
58
59 def loadDoubleRegClassName(post, add, writeback):
60 return memClassName("LOAD_REGD", post, add, writeback, 4, False, False)
61
62 def emitLoad(name, Name, imm, eaCode, accCode, memFlags, instFlags, base):
63 global header_output, decoder_output, exec_output
64
65 (newHeader,
66 newDecoder,
67 newExec) = loadStoreBase(name, Name, imm,
68 eaCode, accCode,
69 memFlags, instFlags,
70 base, execTemplateBase = 'Load')
71
72 header_output += newHeader
73 decoder_output += newDecoder
74 exec_output += newExec
75
76 def buildImmLoad(mnem, post, add, writeback, \
77 size=4, sign=False, user=False, prefetch=False):
78 name = mnem
79 Name = loadImmClassName(post, add, writeback, \
80 size, sign, user)
81
82 if add:
83 op = " +"
84 else:
85 op = " -"
86
87 offset = op + " imm"
88 eaCode = "EA = Base"
89 if not post:
90 eaCode += offset
91 eaCode += ";"
92
93 if prefetch:
94 Name = "%s_%s" % (mnem.upper(), Name)
95 memFlags = ["Request::PREFETCH"]
96 accCode = '''
97 uint64_t temp = Mem%s;\n
98 temp = temp;
99 ''' % buildMemSuffix(sign, size)
100 else:
101 memFlags = []
102 accCode = "IWDest = Mem%s;\n" % buildMemSuffix(sign, size)
103 if writeback:
104 accCode += "Base = Base %s;\n" % offset
105 base = buildMemBase("MemoryImm", post, writeback)
106
107 emitLoad(name, Name, True, eaCode, accCode, memFlags, [], base)
108
109 def buildRegLoad(mnem, post, add, writeback, \
110 size=4, sign=False, user=False, prefetch=False):
111 name = mnem
112 Name = loadRegClassName(post, add, writeback,
113 size, sign, user)
114
115 if add:
116 op = " +"
117 else:
118 op = " -"
119
120 offset = op + " shift_rm_imm(Index, shiftAmt," + \
121 " shiftType, CondCodes<29:>)"
122 eaCode = "EA = Base"
123 if not post:
124 eaCode += offset
125 eaCode += ";"
126
127 if prefetch:
128 Name = "%s_%s" % (mnem.upper(), Name)
129 memFlags = ["Request::PREFETCH"]
130 accCode = '''
131 uint64_t temp = Mem%s;\n
132 temp = temp;
133 ''' % buildMemSuffix(sign, size)
134 else:
135 memFlags = []
136 accCode = "IWDest = Mem%s;\n" % buildMemSuffix(sign, size)
137 if writeback:
138 accCode += "Base = Base %s;\n" % offset
139 base = buildMemBase("MemoryReg", post, writeback)
140
141 emitLoad(name, Name, False, eaCode, accCode, memFlags, [], base)
142
143 def buildDoubleImmLoad(mnem, post, add, writeback):
144 name = mnem
145 Name = loadDoubleImmClassName(post, add, writeback)
146
147 if add:
148 op = " +"
149 else:
150 op = " -"
151
152 offset = op + " imm"
153 eaCode = "EA = Base"
154 if not post:
155 eaCode += offset
156 eaCode += ";"
157
158 accCode = '''
159 Rdo = bits(Mem.ud, 31, 0);
160 Rde = bits(Mem.ud, 63, 32);
161 '''
162 if writeback:
163 accCode += "Base = Base %s;\n" % offset
164 base = buildMemBase("MemoryImm", post, writeback)
165
166 emitLoad(name, Name, True, eaCode, accCode, [], [], base)
167
168 def buildDoubleRegLoad(mnem, post, add, writeback):
169 name = mnem
170 Name = loadDoubleRegClassName(post, add, writeback)
171
172 if add:
173 op = " +"
174 else:
175 op = " -"
176
177 offset = op + " shift_rm_imm(Index, shiftAmt," + \
178 " shiftType, CondCodes<29:>)"
179 eaCode = "EA = Base"
180 if not post:
181 eaCode += offset
182 eaCode += ";"
183
184 accCode = '''
185 Rdo = bits(Mem.ud, 31, 0);
186 Rde = bits(Mem.ud, 63, 32);
187 '''
188 if writeback:
189 accCode += "Base = Base %s;\n" % offset
190 base = buildMemBase("MemoryReg", post, writeback)
191
192 emitLoad(name, Name, False, eaCode, accCode, [], [], base)
193
194 def buildLoads(mnem, size=4, sign=False, user=False):
195 buildImmLoad(mnem, True, True, True, size, sign, user)
196 buildRegLoad(mnem, True, True, True, size, sign, user)
197 buildImmLoad(mnem, True, False, True, size, sign, user)
198 buildRegLoad(mnem, True, False, True, size, sign, user)
199 buildImmLoad(mnem, False, True, True, size, sign, user)
200 buildRegLoad(mnem, False, True, True, size, sign, user)
201 buildImmLoad(mnem, False, False, True, size, sign, user)
202 buildRegLoad(mnem, False, False, True, size, sign, user)
203 buildImmLoad(mnem, False, True, False, size, sign, user)
204 buildRegLoad(mnem, False, True, False, size, sign, user)
205 buildImmLoad(mnem, False, False, False, size, sign, user)
206 buildRegLoad(mnem, False, False, False, size, sign, user)
207
208 def buildDoubleLoads(mnem):
209 buildDoubleImmLoad(mnem, True, True, True)
210 buildDoubleRegLoad(mnem, True, True, True)
211 buildDoubleImmLoad(mnem, True, False, True)
212 buildDoubleRegLoad(mnem, True, False, True)
213 buildDoubleImmLoad(mnem, False, True, True)
214 buildDoubleRegLoad(mnem, False, True, True)
215 buildDoubleImmLoad(mnem, False, False, True)
216 buildDoubleRegLoad(mnem, False, False, True)
217 buildDoubleImmLoad(mnem, False, True, False)
218 buildDoubleRegLoad(mnem, False, True, False)
219 buildDoubleImmLoad(mnem, False, False, False)
220 buildDoubleRegLoad(mnem, False, False, False)
221
222 def buildPrefetches(mnem):
223 buildRegLoad(mnem, False, False, False, size=1, prefetch=True)
224 buildImmLoad(mnem, False, False, False, size=1, prefetch=True)
225 buildRegLoad(mnem, False, True, False, size=1, prefetch=True)
226 buildImmLoad(mnem, False, True, False, size=1, prefetch=True)
227
228 buildLoads("ldr")
229 buildLoads("ldrt", user=True)
230 buildLoads("ldrb", size=1)
231 buildLoads("ldrbt", size=1, user=True)
232 buildLoads("ldrsb", size=1, sign=True)
233 buildLoads("ldrsbt", size=1, sign=True, user=True)
234 buildLoads("ldrh", size=2)
235 buildLoads("ldrht", size=2, user=True)
236 buildLoads("hdrsh", size=2, sign=True)
237 buildLoads("ldrsht", size=2, sign=True, user=True)
238
239 buildDoubleLoads("ldrd")
240
241 buildPrefetches("pld")
242 buildPrefetches("pldw")
243 buildPrefetches("pli")
244}};