1/*
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) 2009 The Regents of The University of Michigan
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: Gabe Black
41 */
42#ifndef __ARCH_ARM_MISCREGS_HH__
43#define __ARCH_ARM_MISCREGS_HH__
44
45#include "base/bitunion.hh"
46
47namespace ArmISA
48{
49 enum ConditionCode {
50 COND_EQ = 0,
51 COND_NE, // 1
52 COND_CS, // 2
53 COND_CC, // 3
54 COND_MI, // 4
55 COND_PL, // 5
56 COND_VS, // 6
57 COND_VC, // 7
58 COND_HI, // 8
59 COND_LS, // 9
60 COND_GE, // 10
61 COND_LT, // 11
62 COND_GT, // 12
63 COND_LE, // 13
64 COND_AL, // 14
65 COND_UC // 15
66 };
67
68 enum MiscRegIndex {
69 MISCREG_CPSR = 0,
70 MISCREG_ITSTATE,
71 MISCREG_SPSR,
72 MISCREG_SPSR_FIQ,
73 MISCREG_SPSR_IRQ,
74 MISCREG_SPSR_SVC,
75 MISCREG_SPSR_MON,
76 MISCREG_SPSR_UND,
77 MISCREG_SPSR_ABT,
78 MISCREG_FPSR,
79 MISCREG_FPSID,
80 MISCREG_FPSCR,
| 1/*
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) 2009 The Regents of The University of Michigan
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: Gabe Black
41 */
42#ifndef __ARCH_ARM_MISCREGS_HH__
43#define __ARCH_ARM_MISCREGS_HH__
44
45#include "base/bitunion.hh"
46
47namespace ArmISA
48{
49 enum ConditionCode {
50 COND_EQ = 0,
51 COND_NE, // 1
52 COND_CS, // 2
53 COND_CC, // 3
54 COND_MI, // 4
55 COND_PL, // 5
56 COND_VS, // 6
57 COND_VC, // 7
58 COND_HI, // 8
59 COND_LS, // 9
60 COND_GE, // 10
61 COND_LT, // 11
62 COND_GT, // 12
63 COND_LE, // 13
64 COND_AL, // 14
65 COND_UC // 15
66 };
67
68 enum MiscRegIndex {
69 MISCREG_CPSR = 0,
70 MISCREG_ITSTATE,
71 MISCREG_SPSR,
72 MISCREG_SPSR_FIQ,
73 MISCREG_SPSR_IRQ,
74 MISCREG_SPSR_SVC,
75 MISCREG_SPSR_MON,
76 MISCREG_SPSR_UND,
77 MISCREG_SPSR_ABT,
78 MISCREG_FPSR,
79 MISCREG_FPSID,
80 MISCREG_FPSCR,
|
| 81 MISCREG_FPSCR_QC, // Cumulative saturation flag
82 MISCREG_FPSCR_EXC, // Cumulative FP exception flags
|
81 MISCREG_FPEXC,
82 MISCREG_MVFR0,
83 MISCREG_MVFR1,
84 MISCREG_SCTLR_RST,
85 MISCREG_SEV_MAILBOX,
86
87 // CP15 registers
88 MISCREG_CP15_START,
89 MISCREG_SCTLR = MISCREG_CP15_START,
90 MISCREG_DCCISW,
91 MISCREG_DCCIMVAC,
92 MISCREG_DCCMVAC,
93 MISCREG_CONTEXTIDR,
94 MISCREG_TPIDRURW,
95 MISCREG_TPIDRURO,
96 MISCREG_TPIDRPRW,
97 MISCREG_CP15ISB,
98 MISCREG_CP15DSB,
99 MISCREG_CP15DMB,
100 MISCREG_CPACR,
101 MISCREG_CLIDR,
102 MISCREG_CCSIDR,
103 MISCREG_CSSELR,
104 MISCREG_ICIALLUIS,
105 MISCREG_ICIALLU,
106 MISCREG_ICIMVAU,
107 MISCREG_BPIMVA,
108 MISCREG_BPIALLIS,
109 MISCREG_BPIALL,
110 MISCREG_MIDR,
111 MISCREG_TTBR0,
112 MISCREG_TTBR1,
113 MISCREG_TLBTR,
114 MISCREG_DACR,
115 MISCREG_TLBIALLIS,
116 MISCREG_TLBIMVAIS,
117 MISCREG_TLBIASIDIS,
118 MISCREG_TLBIMVAAIS,
119 MISCREG_ITLBIALL,
120 MISCREG_ITLBIMVA,
121 MISCREG_ITLBIASID,
122 MISCREG_DTLBIALL,
123 MISCREG_DTLBIMVA,
124 MISCREG_DTLBIASID,
125 MISCREG_TLBIALL,
126 MISCREG_TLBIMVA,
127 MISCREG_TLBIASID,
128 MISCREG_TLBIMVAA,
129 MISCREG_DFSR,
130 MISCREG_IFSR,
131 MISCREG_DFAR,
132 MISCREG_IFAR,
133 MISCREG_MPIDR,
134 MISCREG_PRRR,
135 MISCREG_NMRR,
136 MISCREG_TTBCR,
137 MISCREG_ID_PFR0,
138 MISCREG_CTR,
139 MISCREG_SCR,
140 MISCREG_SDER,
141 MISCREG_PAR,
142 MISCREG_V2PCWPR,
143 MISCREG_V2PCWPW,
144 MISCREG_V2PCWUR,
145 MISCREG_V2PCWUW,
146 MISCREG_V2POWPR,
147 MISCREG_V2POWPW,
148 MISCREG_V2POWUR,
149 MISCREG_V2POWUW,
150 MISCREG_ID_MMFR0,
151 MISCREG_ACTLR,
152 MISCREG_PMCR,
153 MISCREG_PMCCNTR,
154 MISCREG_PMCNTENSET,
155 MISCREG_PMCNTENCLR,
156 MISCREG_PMOVSR,
157 MISCREG_PMSWINC,
158 MISCREG_PMSELR,
159 MISCREG_PMCEID0,
160 MISCREG_PMCEID1,
161 MISCREG_PMC_OTHER,
162 MISCREG_PMXEVCNTR,
163 MISCREG_PMUSERENR,
164 MISCREG_PMINTENSET,
165 MISCREG_PMINTENCLR,
166 MISCREG_CP15_UNIMP_START,
167 MISCREG_TCMTR = MISCREG_CP15_UNIMP_START,
168 MISCREG_ID_PFR1,
169 MISCREG_ID_DFR0,
170 MISCREG_ID_AFR0,
171 MISCREG_ID_MMFR1,
172 MISCREG_ID_MMFR2,
173 MISCREG_ID_MMFR3,
174 MISCREG_ID_ISAR0,
175 MISCREG_ID_ISAR1,
176 MISCREG_ID_ISAR2,
177 MISCREG_ID_ISAR3,
178 MISCREG_ID_ISAR4,
179 MISCREG_ID_ISAR5,
180 MISCREG_AIDR,
181 MISCREG_ADFSR,
182 MISCREG_AIFSR,
183 MISCREG_DCIMVAC,
184 MISCREG_DCISW,
185 MISCREG_MCCSW,
186 MISCREG_DCCMVAU,
187 MISCREG_NSACR,
188 MISCREG_VBAR,
189 MISCREG_MVBAR,
190 MISCREG_ISR,
191 MISCREG_FCEIDR,
192
193
194 MISCREG_CP15_END,
195
196 // Dummy indices
197 MISCREG_NOP = MISCREG_CP15_END,
198 MISCREG_RAZ,
199
200 NUM_MISCREGS
201 };
202
203 MiscRegIndex decodeCP15Reg(unsigned crn, unsigned opc1,
204 unsigned crm, unsigned opc2);
205
206 const char * const miscRegName[NUM_MISCREGS] = {
207 "cpsr", "itstate", "spsr", "spsr_fiq", "spsr_irq", "spsr_svc",
208 "spsr_mon", "spsr_und", "spsr_abt",
| 83 MISCREG_FPEXC,
84 MISCREG_MVFR0,
85 MISCREG_MVFR1,
86 MISCREG_SCTLR_RST,
87 MISCREG_SEV_MAILBOX,
88
89 // CP15 registers
90 MISCREG_CP15_START,
91 MISCREG_SCTLR = MISCREG_CP15_START,
92 MISCREG_DCCISW,
93 MISCREG_DCCIMVAC,
94 MISCREG_DCCMVAC,
95 MISCREG_CONTEXTIDR,
96 MISCREG_TPIDRURW,
97 MISCREG_TPIDRURO,
98 MISCREG_TPIDRPRW,
99 MISCREG_CP15ISB,
100 MISCREG_CP15DSB,
101 MISCREG_CP15DMB,
102 MISCREG_CPACR,
103 MISCREG_CLIDR,
104 MISCREG_CCSIDR,
105 MISCREG_CSSELR,
106 MISCREG_ICIALLUIS,
107 MISCREG_ICIALLU,
108 MISCREG_ICIMVAU,
109 MISCREG_BPIMVA,
110 MISCREG_BPIALLIS,
111 MISCREG_BPIALL,
112 MISCREG_MIDR,
113 MISCREG_TTBR0,
114 MISCREG_TTBR1,
115 MISCREG_TLBTR,
116 MISCREG_DACR,
117 MISCREG_TLBIALLIS,
118 MISCREG_TLBIMVAIS,
119 MISCREG_TLBIASIDIS,
120 MISCREG_TLBIMVAAIS,
121 MISCREG_ITLBIALL,
122 MISCREG_ITLBIMVA,
123 MISCREG_ITLBIASID,
124 MISCREG_DTLBIALL,
125 MISCREG_DTLBIMVA,
126 MISCREG_DTLBIASID,
127 MISCREG_TLBIALL,
128 MISCREG_TLBIMVA,
129 MISCREG_TLBIASID,
130 MISCREG_TLBIMVAA,
131 MISCREG_DFSR,
132 MISCREG_IFSR,
133 MISCREG_DFAR,
134 MISCREG_IFAR,
135 MISCREG_MPIDR,
136 MISCREG_PRRR,
137 MISCREG_NMRR,
138 MISCREG_TTBCR,
139 MISCREG_ID_PFR0,
140 MISCREG_CTR,
141 MISCREG_SCR,
142 MISCREG_SDER,
143 MISCREG_PAR,
144 MISCREG_V2PCWPR,
145 MISCREG_V2PCWPW,
146 MISCREG_V2PCWUR,
147 MISCREG_V2PCWUW,
148 MISCREG_V2POWPR,
149 MISCREG_V2POWPW,
150 MISCREG_V2POWUR,
151 MISCREG_V2POWUW,
152 MISCREG_ID_MMFR0,
153 MISCREG_ACTLR,
154 MISCREG_PMCR,
155 MISCREG_PMCCNTR,
156 MISCREG_PMCNTENSET,
157 MISCREG_PMCNTENCLR,
158 MISCREG_PMOVSR,
159 MISCREG_PMSWINC,
160 MISCREG_PMSELR,
161 MISCREG_PMCEID0,
162 MISCREG_PMCEID1,
163 MISCREG_PMC_OTHER,
164 MISCREG_PMXEVCNTR,
165 MISCREG_PMUSERENR,
166 MISCREG_PMINTENSET,
167 MISCREG_PMINTENCLR,
168 MISCREG_CP15_UNIMP_START,
169 MISCREG_TCMTR = MISCREG_CP15_UNIMP_START,
170 MISCREG_ID_PFR1,
171 MISCREG_ID_DFR0,
172 MISCREG_ID_AFR0,
173 MISCREG_ID_MMFR1,
174 MISCREG_ID_MMFR2,
175 MISCREG_ID_MMFR3,
176 MISCREG_ID_ISAR0,
177 MISCREG_ID_ISAR1,
178 MISCREG_ID_ISAR2,
179 MISCREG_ID_ISAR3,
180 MISCREG_ID_ISAR4,
181 MISCREG_ID_ISAR5,
182 MISCREG_AIDR,
183 MISCREG_ADFSR,
184 MISCREG_AIFSR,
185 MISCREG_DCIMVAC,
186 MISCREG_DCISW,
187 MISCREG_MCCSW,
188 MISCREG_DCCMVAU,
189 MISCREG_NSACR,
190 MISCREG_VBAR,
191 MISCREG_MVBAR,
192 MISCREG_ISR,
193 MISCREG_FCEIDR,
194
195
196 MISCREG_CP15_END,
197
198 // Dummy indices
199 MISCREG_NOP = MISCREG_CP15_END,
200 MISCREG_RAZ,
201
202 NUM_MISCREGS
203 };
204
205 MiscRegIndex decodeCP15Reg(unsigned crn, unsigned opc1,
206 unsigned crm, unsigned opc2);
207
208 const char * const miscRegName[NUM_MISCREGS] = {
209 "cpsr", "itstate", "spsr", "spsr_fiq", "spsr_irq", "spsr_svc",
210 "spsr_mon", "spsr_und", "spsr_abt",
|
209 "fpsr", "fpsid", "fpscr", "fpexc", "mvfr0", "mvfr1",
| 211 "fpsr", "fpsid", "fpscr", "fpscr_qc", "fpscr_exc", "fpexc",
212 "mvfr0", "mvfr1",
|
210 "sctlr_rst", "sev_mailbox",
211 "sctlr", "dccisw", "dccimvac", "dccmvac",
212 "contextidr", "tpidrurw", "tpidruro", "tpidrprw",
213 "cp15isb", "cp15dsb", "cp15dmb", "cpacr",
214 "clidr", "ccsidr", "csselr",
215 "icialluis", "iciallu", "icimvau",
216 "bpimva", "bpiallis", "bpiall",
217 "midr", "ttbr0", "ttbr1", "tlbtr", "dacr",
218 "tlbiallis", "tlbimvais", "tlbiasidis", "tlbimvaais",
219 "itlbiall", "itlbimva", "itlbiasid",
220 "dtlbiall", "dtlbimva", "dtlbiasid",
221 "tlbiall", "tlbimva", "tlbiasid", "tlbimvaa",
222 "dfsr", "ifsr", "dfar", "ifar", "mpidr",
223 "prrr", "nmrr", "ttbcr", "id_pfr0", "ctr",
224 "scr", "sder", "par",
225 "v2pcwpr", "v2pcwpw", "v2pcwur", "v2pcwuw",
226 "v2powpr", "v2powpw", "v2powur", "v2powuw",
227 "id_mmfr0","actlr", "pmcr", "pmcntr",
228 "pmcntenset", "pmcntenclr", "pmovsr",
229 "pmswinc", "pmselr", "pmceid0",
230 "pmceid1", "pmc_other", "pmxevcntr",
231 "pmuserenr", "pmintenset", "pmintenclr",
232 // Unimplemented below
233 "tcmtr",
234 "id_pfr1", "id_dfr0", "id_afr0",
235 "id_mmfr1", "id_mmfr2", "id_mmfr3",
236 "id_isar0", "id_isar1", "id_isar2", "id_isar3", "id_isar4", "id_isar5",
237 "aidr",
238 "adfsr", "aifsr",
239 "dcimvac", "dcisw", "mccsw",
240 "dccmvau",
241 "nsacr",
242 "vbar", "mvbar", "isr", "fceidr",
243 "nop", "raz"
244 };
245
246 BitUnion32(CPSR)
247 Bitfield<31> n;
248 Bitfield<30> z;
249 Bitfield<29> c;
250 Bitfield<28> v;
251 Bitfield<27> q;
252 Bitfield<26,25> it1;
253 Bitfield<24> j;
254 Bitfield<19, 16> ge;
255 Bitfield<15,10> it2;
256 Bitfield<9> e;
257 Bitfield<8> a;
258 Bitfield<7> i;
259 Bitfield<6> f;
260 Bitfield<5> t;
261 Bitfield<4, 0> mode;
262 EndBitUnion(CPSR)
263
264 BitUnion8(ITSTATE)
265 /* Note that the split (cond, mask) below is not as in ARM ARM.
266 * But it is more convenient for simulation. The condition
267 * is always the concatenation of the top 3 bits and the next bit,
268 * which applies when one of the bottom 4 bits is set.
269 * Refer to predecoder.cc for the use case.
270 */
271 Bitfield<7, 4> cond;
272 Bitfield<3, 0> mask;
273 // Bitfields for moving to/from CPSR
274 Bitfield<7, 2> top6;
275 Bitfield<1, 0> bottom2;
276 EndBitUnion(ITSTATE)
277
278 // This mask selects bits of the CPSR that actually go in the CondCodes
279 // integer register to allow renaming.
280 static const uint32_t CondCodesMask = 0xF80F0000;
281
282 BitUnion32(SCTLR)
283 Bitfield<31> ie; // Instruction endianness
284 Bitfield<30> te; // Thumb Exception Enable
285 Bitfield<29> afe; // Access flag enable
286 Bitfield<28> tre; // TEX Remap bit
287 Bitfield<27> nmfi;// Non-maskable fast interrupts enable
288 Bitfield<25> ee; // Exception Endianness bit
289 Bitfield<24> ve; // Interrupt vectors enable
290 Bitfield<23> xp; // Extended page table enable bit
291 Bitfield<22> u; // Alignment (now unused)
292 Bitfield<21> fi; // Fast interrupts configuration enable
293 Bitfield<19> dz; // Divide by Zero fault enable bit
294 Bitfield<18> rao2;// Read as one
295 Bitfield<17> br; // Background region bit
296 Bitfield<16> rao3;// Read as one
297 Bitfield<14> rr; // Round robin cache replacement
298 Bitfield<13> v; // Base address for exception vectors
299 Bitfield<12> i; // instruction cache enable
300 Bitfield<11> z; // branch prediction enable bit
301 Bitfield<10> sw; // Enable swp/swpb
302 Bitfield<9,8> rs; // deprecated protection bits
303 Bitfield<6,3> rao4;// Read as one
304 Bitfield<7> b; // Endianness support (unused)
305 Bitfield<2> c; // Cache enable bit
306 Bitfield<1> a; // Alignment fault checking
307 Bitfield<0> m; // MMU enable bit
308 EndBitUnion(SCTLR)
309
310 BitUnion32(CPACR)
311 Bitfield<1, 0> cp0;
312 Bitfield<3, 2> cp1;
313 Bitfield<5, 4> cp2;
314 Bitfield<7, 6> cp3;
315 Bitfield<9, 8> cp4;
316 Bitfield<11, 10> cp5;
317 Bitfield<13, 12> cp6;
318 Bitfield<15, 14> cp7;
319 Bitfield<17, 16> cp8;
320 Bitfield<19, 18> cp9;
321 Bitfield<21, 20> cp10;
322 Bitfield<23, 22> cp11;
323 Bitfield<25, 24> cp12;
324 Bitfield<27, 26> cp13;
325 Bitfield<30> d32dis;
326 Bitfield<31> asedis;
327 EndBitUnion(CPACR)
328
329 BitUnion32(FSR)
330 Bitfield<3, 0> fsLow;
331 Bitfield<7, 4> domain;
332 Bitfield<10> fsHigh;
333 Bitfield<11> wnr;
334 Bitfield<12> ext;
335 EndBitUnion(FSR)
336
337 BitUnion32(FPSCR)
338 Bitfield<0> ioc;
339 Bitfield<1> dzc;
340 Bitfield<2> ofc;
341 Bitfield<3> ufc;
342 Bitfield<4> ixc;
343 Bitfield<7> idc;
344 Bitfield<8> ioe;
345 Bitfield<9> dze;
346 Bitfield<10> ofe;
347 Bitfield<11> ufe;
348 Bitfield<12> ixe;
349 Bitfield<15> ide;
350 Bitfield<18, 16> len;
351 Bitfield<21, 20> stride;
352 Bitfield<23, 22> rMode;
353 Bitfield<24> fz;
354 Bitfield<25> dn;
355 Bitfield<26> ahp;
356 Bitfield<27> qc;
357 Bitfield<28> v;
358 Bitfield<29> c;
359 Bitfield<30> z;
360 Bitfield<31> n;
361 EndBitUnion(FPSCR)
362
363 // This mask selects bits of the FPSCR that actually go in the FpCondCodes
364 // integer register to allow renaming.
| 213 "sctlr_rst", "sev_mailbox",
214 "sctlr", "dccisw", "dccimvac", "dccmvac",
215 "contextidr", "tpidrurw", "tpidruro", "tpidrprw",
216 "cp15isb", "cp15dsb", "cp15dmb", "cpacr",
217 "clidr", "ccsidr", "csselr",
218 "icialluis", "iciallu", "icimvau",
219 "bpimva", "bpiallis", "bpiall",
220 "midr", "ttbr0", "ttbr1", "tlbtr", "dacr",
221 "tlbiallis", "tlbimvais", "tlbiasidis", "tlbimvaais",
222 "itlbiall", "itlbimva", "itlbiasid",
223 "dtlbiall", "dtlbimva", "dtlbiasid",
224 "tlbiall", "tlbimva", "tlbiasid", "tlbimvaa",
225 "dfsr", "ifsr", "dfar", "ifar", "mpidr",
226 "prrr", "nmrr", "ttbcr", "id_pfr0", "ctr",
227 "scr", "sder", "par",
228 "v2pcwpr", "v2pcwpw", "v2pcwur", "v2pcwuw",
229 "v2powpr", "v2powpw", "v2powur", "v2powuw",
230 "id_mmfr0","actlr", "pmcr", "pmcntr",
231 "pmcntenset", "pmcntenclr", "pmovsr",
232 "pmswinc", "pmselr", "pmceid0",
233 "pmceid1", "pmc_other", "pmxevcntr",
234 "pmuserenr", "pmintenset", "pmintenclr",
235 // Unimplemented below
236 "tcmtr",
237 "id_pfr1", "id_dfr0", "id_afr0",
238 "id_mmfr1", "id_mmfr2", "id_mmfr3",
239 "id_isar0", "id_isar1", "id_isar2", "id_isar3", "id_isar4", "id_isar5",
240 "aidr",
241 "adfsr", "aifsr",
242 "dcimvac", "dcisw", "mccsw",
243 "dccmvau",
244 "nsacr",
245 "vbar", "mvbar", "isr", "fceidr",
246 "nop", "raz"
247 };
248
249 BitUnion32(CPSR)
250 Bitfield<31> n;
251 Bitfield<30> z;
252 Bitfield<29> c;
253 Bitfield<28> v;
254 Bitfield<27> q;
255 Bitfield<26,25> it1;
256 Bitfield<24> j;
257 Bitfield<19, 16> ge;
258 Bitfield<15,10> it2;
259 Bitfield<9> e;
260 Bitfield<8> a;
261 Bitfield<7> i;
262 Bitfield<6> f;
263 Bitfield<5> t;
264 Bitfield<4, 0> mode;
265 EndBitUnion(CPSR)
266
267 BitUnion8(ITSTATE)
268 /* Note that the split (cond, mask) below is not as in ARM ARM.
269 * But it is more convenient for simulation. The condition
270 * is always the concatenation of the top 3 bits and the next bit,
271 * which applies when one of the bottom 4 bits is set.
272 * Refer to predecoder.cc for the use case.
273 */
274 Bitfield<7, 4> cond;
275 Bitfield<3, 0> mask;
276 // Bitfields for moving to/from CPSR
277 Bitfield<7, 2> top6;
278 Bitfield<1, 0> bottom2;
279 EndBitUnion(ITSTATE)
280
281 // This mask selects bits of the CPSR that actually go in the CondCodes
282 // integer register to allow renaming.
283 static const uint32_t CondCodesMask = 0xF80F0000;
284
285 BitUnion32(SCTLR)
286 Bitfield<31> ie; // Instruction endianness
287 Bitfield<30> te; // Thumb Exception Enable
288 Bitfield<29> afe; // Access flag enable
289 Bitfield<28> tre; // TEX Remap bit
290 Bitfield<27> nmfi;// Non-maskable fast interrupts enable
291 Bitfield<25> ee; // Exception Endianness bit
292 Bitfield<24> ve; // Interrupt vectors enable
293 Bitfield<23> xp; // Extended page table enable bit
294 Bitfield<22> u; // Alignment (now unused)
295 Bitfield<21> fi; // Fast interrupts configuration enable
296 Bitfield<19> dz; // Divide by Zero fault enable bit
297 Bitfield<18> rao2;// Read as one
298 Bitfield<17> br; // Background region bit
299 Bitfield<16> rao3;// Read as one
300 Bitfield<14> rr; // Round robin cache replacement
301 Bitfield<13> v; // Base address for exception vectors
302 Bitfield<12> i; // instruction cache enable
303 Bitfield<11> z; // branch prediction enable bit
304 Bitfield<10> sw; // Enable swp/swpb
305 Bitfield<9,8> rs; // deprecated protection bits
306 Bitfield<6,3> rao4;// Read as one
307 Bitfield<7> b; // Endianness support (unused)
308 Bitfield<2> c; // Cache enable bit
309 Bitfield<1> a; // Alignment fault checking
310 Bitfield<0> m; // MMU enable bit
311 EndBitUnion(SCTLR)
312
313 BitUnion32(CPACR)
314 Bitfield<1, 0> cp0;
315 Bitfield<3, 2> cp1;
316 Bitfield<5, 4> cp2;
317 Bitfield<7, 6> cp3;
318 Bitfield<9, 8> cp4;
319 Bitfield<11, 10> cp5;
320 Bitfield<13, 12> cp6;
321 Bitfield<15, 14> cp7;
322 Bitfield<17, 16> cp8;
323 Bitfield<19, 18> cp9;
324 Bitfield<21, 20> cp10;
325 Bitfield<23, 22> cp11;
326 Bitfield<25, 24> cp12;
327 Bitfield<27, 26> cp13;
328 Bitfield<30> d32dis;
329 Bitfield<31> asedis;
330 EndBitUnion(CPACR)
331
332 BitUnion32(FSR)
333 Bitfield<3, 0> fsLow;
334 Bitfield<7, 4> domain;
335 Bitfield<10> fsHigh;
336 Bitfield<11> wnr;
337 Bitfield<12> ext;
338 EndBitUnion(FSR)
339
340 BitUnion32(FPSCR)
341 Bitfield<0> ioc;
342 Bitfield<1> dzc;
343 Bitfield<2> ofc;
344 Bitfield<3> ufc;
345 Bitfield<4> ixc;
346 Bitfield<7> idc;
347 Bitfield<8> ioe;
348 Bitfield<9> dze;
349 Bitfield<10> ofe;
350 Bitfield<11> ufe;
351 Bitfield<12> ixe;
352 Bitfield<15> ide;
353 Bitfield<18, 16> len;
354 Bitfield<21, 20> stride;
355 Bitfield<23, 22> rMode;
356 Bitfield<24> fz;
357 Bitfield<25> dn;
358 Bitfield<26> ahp;
359 Bitfield<27> qc;
360 Bitfield<28> v;
361 Bitfield<29> c;
362 Bitfield<30> z;
363 Bitfield<31> n;
364 EndBitUnion(FPSCR)
365
366 // This mask selects bits of the FPSCR that actually go in the FpCondCodes
367 // integer register to allow renaming.
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365 static const uint32_t FpCondCodesMask = 0xF800009F;
| 368 static const uint32_t FpCondCodesMask = 0xF0000000;
369 // This mask selects the cumulative FP exception flags of the FPSCR.
370 static const uint32_t FpscrExcMask = 0x0000009F;
371 // This mask selects the cumulative saturation flag of the FPSCR.
372 static const uint32_t FpscrQcMask = 0x08000000;
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366
367 BitUnion32(FPEXC)
368 Bitfield<31> ex;
369 Bitfield<30> en;
370 Bitfield<29, 0> subArchDefined;
371 EndBitUnion(FPEXC)
372
373 BitUnion32(MVFR0)
374 Bitfield<3, 0> advSimdRegisters;
375 Bitfield<7, 4> singlePrecision;
376 Bitfield<11, 8> doublePrecision;
377 Bitfield<15, 12> vfpExceptionTrapping;
378 Bitfield<19, 16> divide;
379 Bitfield<23, 20> squareRoot;
380 Bitfield<27, 24> shortVectors;
381 Bitfield<31, 28> roundingModes;
382 EndBitUnion(MVFR0)
383
384 BitUnion32(MVFR1)
385 Bitfield<3, 0> flushToZero;
386 Bitfield<7, 4> defaultNaN;
387 Bitfield<11, 8> advSimdLoadStore;
388 Bitfield<15, 12> advSimdInteger;
389 Bitfield<19, 16> advSimdSinglePrecision;
390 Bitfield<23, 20> advSimdHalfPrecision;
391 Bitfield<27, 24> vfpHalfPrecision;
392 Bitfield<31, 28> raz;
393 EndBitUnion(MVFR1)
394
395 BitUnion32(PRRR)
396 Bitfield<1,0> tr0;
397 Bitfield<3,2> tr1;
398 Bitfield<5,4> tr2;
399 Bitfield<7,6> tr3;
400 Bitfield<9,8> tr4;
401 Bitfield<11,10> tr5;
402 Bitfield<13,12> tr6;
403 Bitfield<15,14> tr7;
404 Bitfield<16> ds0;
405 Bitfield<17> ds1;
406 Bitfield<18> ns0;
407 Bitfield<19> ns1;
408 Bitfield<24> nos0;
409 Bitfield<25> nos1;
410 Bitfield<26> nos2;
411 Bitfield<27> nos3;
412 Bitfield<28> nos4;
413 Bitfield<29> nos5;
414 Bitfield<30> nos6;
415 Bitfield<31> nos7;
416 EndBitUnion(PRRR)
417
418 BitUnion32(NMRR)
419 Bitfield<1,0> ir0;
420 Bitfield<3,2> ir1;
421 Bitfield<5,4> ir2;
422 Bitfield<7,6> ir3;
423 Bitfield<9,8> ir4;
424 Bitfield<11,10> ir5;
425 Bitfield<13,12> ir6;
426 Bitfield<15,14> ir7;
427 Bitfield<17,16> or0;
428 Bitfield<19,18> or1;
429 Bitfield<21,20> or2;
430 Bitfield<23,22> or3;
431 Bitfield<25,24> or4;
432 Bitfield<27,26> or5;
433 Bitfield<29,28> or6;
434 Bitfield<31,30> or7;
435 EndBitUnion(NMRR)
436
437};
438
439#endif // __ARCH_ARM_MISCREGS_HH__
| 373
374 BitUnion32(FPEXC)
375 Bitfield<31> ex;
376 Bitfield<30> en;
377 Bitfield<29, 0> subArchDefined;
378 EndBitUnion(FPEXC)
379
380 BitUnion32(MVFR0)
381 Bitfield<3, 0> advSimdRegisters;
382 Bitfield<7, 4> singlePrecision;
383 Bitfield<11, 8> doublePrecision;
384 Bitfield<15, 12> vfpExceptionTrapping;
385 Bitfield<19, 16> divide;
386 Bitfield<23, 20> squareRoot;
387 Bitfield<27, 24> shortVectors;
388 Bitfield<31, 28> roundingModes;
389 EndBitUnion(MVFR0)
390
391 BitUnion32(MVFR1)
392 Bitfield<3, 0> flushToZero;
393 Bitfield<7, 4> defaultNaN;
394 Bitfield<11, 8> advSimdLoadStore;
395 Bitfield<15, 12> advSimdInteger;
396 Bitfield<19, 16> advSimdSinglePrecision;
397 Bitfield<23, 20> advSimdHalfPrecision;
398 Bitfield<27, 24> vfpHalfPrecision;
399 Bitfield<31, 28> raz;
400 EndBitUnion(MVFR1)
401
402 BitUnion32(PRRR)
403 Bitfield<1,0> tr0;
404 Bitfield<3,2> tr1;
405 Bitfield<5,4> tr2;
406 Bitfield<7,6> tr3;
407 Bitfield<9,8> tr4;
408 Bitfield<11,10> tr5;
409 Bitfield<13,12> tr6;
410 Bitfield<15,14> tr7;
411 Bitfield<16> ds0;
412 Bitfield<17> ds1;
413 Bitfield<18> ns0;
414 Bitfield<19> ns1;
415 Bitfield<24> nos0;
416 Bitfield<25> nos1;
417 Bitfield<26> nos2;
418 Bitfield<27> nos3;
419 Bitfield<28> nos4;
420 Bitfield<29> nos5;
421 Bitfield<30> nos6;
422 Bitfield<31> nos7;
423 EndBitUnion(PRRR)
424
425 BitUnion32(NMRR)
426 Bitfield<1,0> ir0;
427 Bitfield<3,2> ir1;
428 Bitfield<5,4> ir2;
429 Bitfield<7,6> ir3;
430 Bitfield<9,8> ir4;
431 Bitfield<11,10> ir5;
432 Bitfield<13,12> ir6;
433 Bitfield<15,14> ir7;
434 Bitfield<17,16> or0;
435 Bitfield<19,18> or1;
436 Bitfield<21,20> or2;
437 Bitfield<23,22> or3;
438 Bitfield<25,24> or4;
439 Bitfield<27,26> or5;
440 Bitfield<29,28> or6;
441 Bitfield<31,30> or7;
442 EndBitUnion(NMRR)
443
444};
445
446#endif // __ARCH_ARM_MISCREGS_HH__
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