operands.isa (8139:2b2efc67f6df) operands.isa (8204:6c051a8df26a)
1// -*- mode:c++ -*-
2// Copyright (c) 2010 ARM Limited
3// All rights reserved
4//
5// The license below extends only to copyright in the software and shall
6// not be construed as granting a license to any other intellectual
7// property including but not limited to intellectual property relating
8// to a hardware implementation of the functionality of the software
9// licensed hereunder. You may use the software subject to the license
10// terms below provided that you ensure that this notice is replicated
11// unmodified and in its entirety in all distributions of the software,
12// modified or unmodified, in source code or in binary form.
13//
14// Copyright (c) 2007-2008 The Florida State University
15// All rights reserved.
16//
17// Redistribution and use in source and binary forms, with or without
18// modification, are permitted provided that the following conditions are
19// met: redistributions of source code must retain the above copyright
20// notice, this list of conditions and the following disclaimer;
21// redistributions in binary form must reproduce the above copyright
22// notice, this list of conditions and the following disclaimer in the
23// documentation and/or other materials provided with the distribution;
24// neither the name of the copyright holders nor the names of its
25// contributors may be used to endorse or promote products derived from
26// this software without specific prior written permission.
27//
28// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39//
40// Authors: Stephen Hines
41
42def operand_types {{
43 'sb' : ('signed int', 8),
44 'ub' : ('unsigned int', 8),
45 'sh' : ('signed int', 16),
46 'uh' : ('unsigned int', 16),
47 'sw' : ('signed int', 32),
48 'uw' : ('unsigned int', 32),
49 'ud' : ('unsigned int', 64),
50 'tud' : ('twin64 int', 64),
51 'sf' : ('float', 32),
52 'df' : ('float', 64)
53}};
54
55let {{
56 maybePCRead = '''
57 ((%(reg_idx)s == PCReg) ? readPC(xc) : xc->%(func)s(this, %(op_idx)s))
58 '''
59 maybeAlignedPCRead = '''
60 ((%(reg_idx)s == PCReg) ? (roundDown(readPC(xc), 4)) :
61 xc->%(func)s(this, %(op_idx)s))
62 '''
63 maybePCWrite = '''
64 ((%(reg_idx)s == PCReg) ? setNextPC(xc, %(final_val)s) :
65 xc->%(func)s(this, %(op_idx)s, %(final_val)s))
66 '''
67 maybeIWPCWrite = '''
68 ((%(reg_idx)s == PCReg) ? setIWNextPC(xc, %(final_val)s) :
69 xc->%(func)s(this, %(op_idx)s, %(final_val)s))
70 '''
71 maybeAIWPCWrite = '''
72 if (%(reg_idx)s == PCReg) {
73 bool thumb = THUMB;
74 if (thumb) {
75 setNextPC(xc, %(final_val)s);
76 } else {
77 setIWNextPC(xc, %(final_val)s);
78 }
79 } else {
80 xc->%(func)s(this, %(op_idx)s, %(final_val)s);
81 }
82 '''
83
84 #PCState operands need to have a sorting index (the number at the end)
85 #less than all the integer registers which might update the PC. That way
86 #if the flag bits of the pc state are updated and a branch happens through
87 #R15, the updates are layered properly and the R15 update isn't lost.
88 srtNormal = 5
89 srtCpsr = 4
90 srtBase = 3
91 srtPC = 2
92 srtMode = 1
93 srtEPC = 0
94
95 def floatReg(idx):
96 return ('FloatReg', 'sf', idx, 'IsFloating', srtNormal)
97
98 def intReg(idx):
99 return ('IntReg', 'uw', idx, 'IsInteger', srtNormal,
100 maybePCRead, maybePCWrite)
101
102 def intRegNPC(idx):
103 return ('IntReg', 'uw', idx, 'IsInteger', srtNormal)
104
105 def intRegAPC(idx, id = srtNormal):
106 return ('IntReg', 'uw', idx, 'IsInteger', id,
107 maybeAlignedPCRead, maybePCWrite)
108
109 def intRegIWPC(idx):
110 return ('IntReg', 'uw', idx, 'IsInteger', srtNormal,
111 maybePCRead, maybeIWPCWrite)
112
113 def intRegAIWPC(idx):
114 return ('IntReg', 'uw', idx, 'IsInteger', srtNormal,
115 maybePCRead, maybeAIWPCWrite)
116
117 def intRegCC(idx):
118 return ('IntReg', 'uw', idx, None, srtNormal)
119
120 def cntrlReg(idx, id = srtNormal, type = 'uw'):
121 return ('ControlReg', type, idx, (None, None, 'IsControl'), id)
122
123 def cntrlRegNC(idx, id = srtNormal, type = 'uw'):
124 return ('ControlReg', type, idx, None, id)
125
126 def pcStateReg(idx, id):
127 return ('PCState', 'uw', idx, (None, None, 'IsControl'), id)
128}};
129
130def operands {{
131 #Abstracted integer reg operands
132 'Dest': intReg('dest'),
133 'IWDest': intRegIWPC('dest'),
134 'AIWDest': intRegAIWPC('dest'),
135 'Dest2': intReg('dest2'),
136 'Result': intReg('result'),
137 'Base': intRegAPC('base', id = srtBase),
138 'Index': intReg('index'),
139 'Shift': intReg('shift'),
140 'Op1': intReg('op1'),
141 'Op2': intReg('op2'),
142 'Op3': intReg('op3'),
143 'Reg0': intReg('reg0'),
144 'Reg1': intReg('reg1'),
145 'Reg2': intReg('reg2'),
146 'Reg3': intReg('reg3'),
147
148 #Fixed index integer reg operands
149 'SpMode': intRegNPC('intRegInMode((OperatingMode)regMode, INTREG_SP)'),
150 'LR': intRegNPC('INTREG_LR'),
151 'R7': intRegNPC('7'),
1// -*- mode:c++ -*-
2// Copyright (c) 2010 ARM Limited
3// All rights reserved
4//
5// The license below extends only to copyright in the software and shall
6// not be construed as granting a license to any other intellectual
7// property including but not limited to intellectual property relating
8// to a hardware implementation of the functionality of the software
9// licensed hereunder. You may use the software subject to the license
10// terms below provided that you ensure that this notice is replicated
11// unmodified and in its entirety in all distributions of the software,
12// modified or unmodified, in source code or in binary form.
13//
14// Copyright (c) 2007-2008 The Florida State University
15// All rights reserved.
16//
17// Redistribution and use in source and binary forms, with or without
18// modification, are permitted provided that the following conditions are
19// met: redistributions of source code must retain the above copyright
20// notice, this list of conditions and the following disclaimer;
21// redistributions in binary form must reproduce the above copyright
22// notice, this list of conditions and the following disclaimer in the
23// documentation and/or other materials provided with the distribution;
24// neither the name of the copyright holders nor the names of its
25// contributors may be used to endorse or promote products derived from
26// this software without specific prior written permission.
27//
28// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39//
40// Authors: Stephen Hines
41
42def operand_types {{
43 'sb' : ('signed int', 8),
44 'ub' : ('unsigned int', 8),
45 'sh' : ('signed int', 16),
46 'uh' : ('unsigned int', 16),
47 'sw' : ('signed int', 32),
48 'uw' : ('unsigned int', 32),
49 'ud' : ('unsigned int', 64),
50 'tud' : ('twin64 int', 64),
51 'sf' : ('float', 32),
52 'df' : ('float', 64)
53}};
54
55let {{
56 maybePCRead = '''
57 ((%(reg_idx)s == PCReg) ? readPC(xc) : xc->%(func)s(this, %(op_idx)s))
58 '''
59 maybeAlignedPCRead = '''
60 ((%(reg_idx)s == PCReg) ? (roundDown(readPC(xc), 4)) :
61 xc->%(func)s(this, %(op_idx)s))
62 '''
63 maybePCWrite = '''
64 ((%(reg_idx)s == PCReg) ? setNextPC(xc, %(final_val)s) :
65 xc->%(func)s(this, %(op_idx)s, %(final_val)s))
66 '''
67 maybeIWPCWrite = '''
68 ((%(reg_idx)s == PCReg) ? setIWNextPC(xc, %(final_val)s) :
69 xc->%(func)s(this, %(op_idx)s, %(final_val)s))
70 '''
71 maybeAIWPCWrite = '''
72 if (%(reg_idx)s == PCReg) {
73 bool thumb = THUMB;
74 if (thumb) {
75 setNextPC(xc, %(final_val)s);
76 } else {
77 setIWNextPC(xc, %(final_val)s);
78 }
79 } else {
80 xc->%(func)s(this, %(op_idx)s, %(final_val)s);
81 }
82 '''
83
84 #PCState operands need to have a sorting index (the number at the end)
85 #less than all the integer registers which might update the PC. That way
86 #if the flag bits of the pc state are updated and a branch happens through
87 #R15, the updates are layered properly and the R15 update isn't lost.
88 srtNormal = 5
89 srtCpsr = 4
90 srtBase = 3
91 srtPC = 2
92 srtMode = 1
93 srtEPC = 0
94
95 def floatReg(idx):
96 return ('FloatReg', 'sf', idx, 'IsFloating', srtNormal)
97
98 def intReg(idx):
99 return ('IntReg', 'uw', idx, 'IsInteger', srtNormal,
100 maybePCRead, maybePCWrite)
101
102 def intRegNPC(idx):
103 return ('IntReg', 'uw', idx, 'IsInteger', srtNormal)
104
105 def intRegAPC(idx, id = srtNormal):
106 return ('IntReg', 'uw', idx, 'IsInteger', id,
107 maybeAlignedPCRead, maybePCWrite)
108
109 def intRegIWPC(idx):
110 return ('IntReg', 'uw', idx, 'IsInteger', srtNormal,
111 maybePCRead, maybeIWPCWrite)
112
113 def intRegAIWPC(idx):
114 return ('IntReg', 'uw', idx, 'IsInteger', srtNormal,
115 maybePCRead, maybeAIWPCWrite)
116
117 def intRegCC(idx):
118 return ('IntReg', 'uw', idx, None, srtNormal)
119
120 def cntrlReg(idx, id = srtNormal, type = 'uw'):
121 return ('ControlReg', type, idx, (None, None, 'IsControl'), id)
122
123 def cntrlRegNC(idx, id = srtNormal, type = 'uw'):
124 return ('ControlReg', type, idx, None, id)
125
126 def pcStateReg(idx, id):
127 return ('PCState', 'uw', idx, (None, None, 'IsControl'), id)
128}};
129
130def operands {{
131 #Abstracted integer reg operands
132 'Dest': intReg('dest'),
133 'IWDest': intRegIWPC('dest'),
134 'AIWDest': intRegAIWPC('dest'),
135 'Dest2': intReg('dest2'),
136 'Result': intReg('result'),
137 'Base': intRegAPC('base', id = srtBase),
138 'Index': intReg('index'),
139 'Shift': intReg('shift'),
140 'Op1': intReg('op1'),
141 'Op2': intReg('op2'),
142 'Op3': intReg('op3'),
143 'Reg0': intReg('reg0'),
144 'Reg1': intReg('reg1'),
145 'Reg2': intReg('reg2'),
146 'Reg3': intReg('reg3'),
147
148 #Fixed index integer reg operands
149 'SpMode': intRegNPC('intRegInMode((OperatingMode)regMode, INTREG_SP)'),
150 'LR': intRegNPC('INTREG_LR'),
151 'R7': intRegNPC('7'),
152 # First four arguments are passed in registers
152 'R0': intRegNPC('0'),
153 'R0': intRegNPC('0'),
153 'R1': intRegNPC('0'),
154 'R2': intRegNPC('1'),
154 'R1': intRegNPC('1'),
155 'R2': intRegNPC('2'),
156 'R3': intRegNPC('3'),
155
156 #Pseudo integer condition code registers
157 'CondCodes': intRegCC('INTREG_CONDCODES'),
158 'OptCondCodes': intRegCC(
159 '''(condCode == COND_AL || condCode == COND_UC) ?
160 INTREG_ZERO : INTREG_CONDCODES'''),
161 'FpCondCodes': intRegCC('INTREG_FPCONDCODES'),
162
163 #Abstracted floating point reg operands
164 'FpDest': floatReg('(dest + 0)'),
165 'FpDestP0': floatReg('(dest + 0)'),
166 'FpDestP1': floatReg('(dest + 1)'),
167 'FpDestP2': floatReg('(dest + 2)'),
168 'FpDestP3': floatReg('(dest + 3)'),
169 'FpDestP4': floatReg('(dest + 4)'),
170 'FpDestP5': floatReg('(dest + 5)'),
171 'FpDestP6': floatReg('(dest + 6)'),
172 'FpDestP7': floatReg('(dest + 7)'),
173 'FpDestS0P0': floatReg('(dest + step * 0 + 0)'),
174 'FpDestS0P1': floatReg('(dest + step * 0 + 1)'),
175 'FpDestS1P0': floatReg('(dest + step * 1 + 0)'),
176 'FpDestS1P1': floatReg('(dest + step * 1 + 1)'),
177 'FpDestS2P0': floatReg('(dest + step * 2 + 0)'),
178 'FpDestS2P1': floatReg('(dest + step * 2 + 1)'),
179 'FpDestS3P0': floatReg('(dest + step * 3 + 0)'),
180 'FpDestS3P1': floatReg('(dest + step * 3 + 1)'),
181
182 'FpDest2': floatReg('(dest2 + 0)'),
183 'FpDest2P0': floatReg('(dest2 + 0)'),
184 'FpDest2P1': floatReg('(dest2 + 1)'),
185 'FpDest2P2': floatReg('(dest2 + 2)'),
186 'FpDest2P3': floatReg('(dest2 + 3)'),
187
188 'FpOp1': floatReg('(op1 + 0)'),
189 'FpOp1P0': floatReg('(op1 + 0)'),
190 'FpOp1P1': floatReg('(op1 + 1)'),
191 'FpOp1P2': floatReg('(op1 + 2)'),
192 'FpOp1P3': floatReg('(op1 + 3)'),
193 'FpOp1P4': floatReg('(op1 + 4)'),
194 'FpOp1P5': floatReg('(op1 + 5)'),
195 'FpOp1P6': floatReg('(op1 + 6)'),
196 'FpOp1P7': floatReg('(op1 + 7)'),
197 'FpOp1S0P0': floatReg('(op1 + step * 0 + 0)'),
198 'FpOp1S0P1': floatReg('(op1 + step * 0 + 1)'),
199 'FpOp1S1P0': floatReg('(op1 + step * 1 + 0)'),
200 'FpOp1S1P1': floatReg('(op1 + step * 1 + 1)'),
201 'FpOp1S2P0': floatReg('(op1 + step * 2 + 0)'),
202 'FpOp1S2P1': floatReg('(op1 + step * 2 + 1)'),
203 'FpOp1S3P0': floatReg('(op1 + step * 3 + 0)'),
204 'FpOp1S3P1': floatReg('(op1 + step * 3 + 1)'),
205
206 'FpOp2': floatReg('(op2 + 0)'),
207 'FpOp2P0': floatReg('(op2 + 0)'),
208 'FpOp2P1': floatReg('(op2 + 1)'),
209 'FpOp2P2': floatReg('(op2 + 2)'),
210 'FpOp2P3': floatReg('(op2 + 3)'),
211
212 #Abstracted control reg operands
213 'MiscDest': cntrlReg('dest'),
214 'MiscOp1': cntrlReg('op1'),
215
216 #Fixed index control regs
217 'Cpsr': cntrlReg('MISCREG_CPSR', srtCpsr),
218 'Itstate': cntrlRegNC('MISCREG_ITSTATE', type = 'ub'),
219 'Spsr': cntrlRegNC('MISCREG_SPSR'),
220 'Fpsr': cntrlRegNC('MISCREG_FPSR'),
221 'Fpsid': cntrlRegNC('MISCREG_FPSID'),
222 'Fpscr': cntrlRegNC('MISCREG_FPSCR'),
223 'FpscrQc': cntrlRegNC('MISCREG_FPSCR_QC'),
224 'FpscrExc': cntrlRegNC('MISCREG_FPSCR_EXC'),
225 'Cpacr': cntrlReg('MISCREG_CPACR'),
226 'Fpexc': cntrlRegNC('MISCREG_FPEXC'),
227 'Sctlr': cntrlRegNC('MISCREG_SCTLR'),
228 'SevMailbox': cntrlRegNC('MISCREG_SEV_MAILBOX'),
229
230 #Register fields for microops
231 'URa' : intReg('ura'),
232 'IWRa' : intRegIWPC('ura'),
233 'Fa' : floatReg('ura'),
234 'URb' : intReg('urb'),
235 'URc' : intReg('urc'),
236
237 #Memory Operand
238 'Mem': ('Mem', 'uw', None, ('IsMemRef', 'IsLoad', 'IsStore'), srtNormal),
239
240 #PCState fields
241 'PC': pcStateReg('instPC', srtPC),
242 'NPC': pcStateReg('instNPC', srtPC),
243 'pNPC': pcStateReg('instNPC', srtEPC),
244 'IWNPC': pcStateReg('instIWNPC', srtPC),
245 'Thumb': pcStateReg('thumb', srtPC),
246 'NextThumb': pcStateReg('nextThumb', srtMode),
247 'NextJazelle': pcStateReg('nextJazelle', srtMode),
248 'ForcedItState': pcStateReg('forcedItState', srtMode),
249
250 #Register operands depending on a field in the instruction encoding. These
251 #should be avoided since they may not be portable across different
252 #encodings of the same instruction.
253 'Rd': intReg('RD'),
254 'Rm': intReg('RM'),
255 'Rs': intReg('RS'),
256 'Rn': intReg('RN'),
257 'Rt': intReg('RT')
258}};
157
158 #Pseudo integer condition code registers
159 'CondCodes': intRegCC('INTREG_CONDCODES'),
160 'OptCondCodes': intRegCC(
161 '''(condCode == COND_AL || condCode == COND_UC) ?
162 INTREG_ZERO : INTREG_CONDCODES'''),
163 'FpCondCodes': intRegCC('INTREG_FPCONDCODES'),
164
165 #Abstracted floating point reg operands
166 'FpDest': floatReg('(dest + 0)'),
167 'FpDestP0': floatReg('(dest + 0)'),
168 'FpDestP1': floatReg('(dest + 1)'),
169 'FpDestP2': floatReg('(dest + 2)'),
170 'FpDestP3': floatReg('(dest + 3)'),
171 'FpDestP4': floatReg('(dest + 4)'),
172 'FpDestP5': floatReg('(dest + 5)'),
173 'FpDestP6': floatReg('(dest + 6)'),
174 'FpDestP7': floatReg('(dest + 7)'),
175 'FpDestS0P0': floatReg('(dest + step * 0 + 0)'),
176 'FpDestS0P1': floatReg('(dest + step * 0 + 1)'),
177 'FpDestS1P0': floatReg('(dest + step * 1 + 0)'),
178 'FpDestS1P1': floatReg('(dest + step * 1 + 1)'),
179 'FpDestS2P0': floatReg('(dest + step * 2 + 0)'),
180 'FpDestS2P1': floatReg('(dest + step * 2 + 1)'),
181 'FpDestS3P0': floatReg('(dest + step * 3 + 0)'),
182 'FpDestS3P1': floatReg('(dest + step * 3 + 1)'),
183
184 'FpDest2': floatReg('(dest2 + 0)'),
185 'FpDest2P0': floatReg('(dest2 + 0)'),
186 'FpDest2P1': floatReg('(dest2 + 1)'),
187 'FpDest2P2': floatReg('(dest2 + 2)'),
188 'FpDest2P3': floatReg('(dest2 + 3)'),
189
190 'FpOp1': floatReg('(op1 + 0)'),
191 'FpOp1P0': floatReg('(op1 + 0)'),
192 'FpOp1P1': floatReg('(op1 + 1)'),
193 'FpOp1P2': floatReg('(op1 + 2)'),
194 'FpOp1P3': floatReg('(op1 + 3)'),
195 'FpOp1P4': floatReg('(op1 + 4)'),
196 'FpOp1P5': floatReg('(op1 + 5)'),
197 'FpOp1P6': floatReg('(op1 + 6)'),
198 'FpOp1P7': floatReg('(op1 + 7)'),
199 'FpOp1S0P0': floatReg('(op1 + step * 0 + 0)'),
200 'FpOp1S0P1': floatReg('(op1 + step * 0 + 1)'),
201 'FpOp1S1P0': floatReg('(op1 + step * 1 + 0)'),
202 'FpOp1S1P1': floatReg('(op1 + step * 1 + 1)'),
203 'FpOp1S2P0': floatReg('(op1 + step * 2 + 0)'),
204 'FpOp1S2P1': floatReg('(op1 + step * 2 + 1)'),
205 'FpOp1S3P0': floatReg('(op1 + step * 3 + 0)'),
206 'FpOp1S3P1': floatReg('(op1 + step * 3 + 1)'),
207
208 'FpOp2': floatReg('(op2 + 0)'),
209 'FpOp2P0': floatReg('(op2 + 0)'),
210 'FpOp2P1': floatReg('(op2 + 1)'),
211 'FpOp2P2': floatReg('(op2 + 2)'),
212 'FpOp2P3': floatReg('(op2 + 3)'),
213
214 #Abstracted control reg operands
215 'MiscDest': cntrlReg('dest'),
216 'MiscOp1': cntrlReg('op1'),
217
218 #Fixed index control regs
219 'Cpsr': cntrlReg('MISCREG_CPSR', srtCpsr),
220 'Itstate': cntrlRegNC('MISCREG_ITSTATE', type = 'ub'),
221 'Spsr': cntrlRegNC('MISCREG_SPSR'),
222 'Fpsr': cntrlRegNC('MISCREG_FPSR'),
223 'Fpsid': cntrlRegNC('MISCREG_FPSID'),
224 'Fpscr': cntrlRegNC('MISCREG_FPSCR'),
225 'FpscrQc': cntrlRegNC('MISCREG_FPSCR_QC'),
226 'FpscrExc': cntrlRegNC('MISCREG_FPSCR_EXC'),
227 'Cpacr': cntrlReg('MISCREG_CPACR'),
228 'Fpexc': cntrlRegNC('MISCREG_FPEXC'),
229 'Sctlr': cntrlRegNC('MISCREG_SCTLR'),
230 'SevMailbox': cntrlRegNC('MISCREG_SEV_MAILBOX'),
231
232 #Register fields for microops
233 'URa' : intReg('ura'),
234 'IWRa' : intRegIWPC('ura'),
235 'Fa' : floatReg('ura'),
236 'URb' : intReg('urb'),
237 'URc' : intReg('urc'),
238
239 #Memory Operand
240 'Mem': ('Mem', 'uw', None, ('IsMemRef', 'IsLoad', 'IsStore'), srtNormal),
241
242 #PCState fields
243 'PC': pcStateReg('instPC', srtPC),
244 'NPC': pcStateReg('instNPC', srtPC),
245 'pNPC': pcStateReg('instNPC', srtEPC),
246 'IWNPC': pcStateReg('instIWNPC', srtPC),
247 'Thumb': pcStateReg('thumb', srtPC),
248 'NextThumb': pcStateReg('nextThumb', srtMode),
249 'NextJazelle': pcStateReg('nextJazelle', srtMode),
250 'ForcedItState': pcStateReg('forcedItState', srtMode),
251
252 #Register operands depending on a field in the instruction encoding. These
253 #should be avoided since they may not be portable across different
254 #encodings of the same instruction.
255 'Rd': intReg('RD'),
256 'Rm': intReg('RM'),
257 'Rs': intReg('RS'),
258 'Rn': intReg('RN'),
259 'Rt': intReg('RT')
260}};