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_SPSR,
71 MISCREG_SPSR_FIQ,
72 MISCREG_SPSR_IRQ,
73 MISCREG_SPSR_SVC,
74 MISCREG_SPSR_MON,
75 MISCREG_SPSR_UND,
76 MISCREG_SPSR_ABT,
77 MISCREG_FPSR,
78 MISCREG_FPSID,
79 MISCREG_FPSCR,
80 MISCREG_FPEXC,
81 MISCREG_MVFR0,
82 MISCREG_MVFR1,
83 MISCREG_SEV_MAILBOX,
84
85 // CP15 registers
86 MISCREG_CP15_START,
87 MISCREG_SCTLR = MISCREG_CP15_START,
88 MISCREG_DCCISW,
89 MISCREG_DCCIMVAC,
90 MISCREG_DCCMVAC,
91 MISCREG_CONTEXTIDR,
92 MISCREG_TPIDRURW,
93 MISCREG_TPIDRURO,
94 MISCREG_TPIDRPRW,
95 MISCREG_CP15ISB,
96 MISCREG_CP15DSB,
97 MISCREG_CP15DMB,
98 MISCREG_CPACR,
99 MISCREG_CLIDR,
100 MISCREG_CCSIDR,
101 MISCREG_CSSELR,
102 MISCREG_ICIALLUIS,
103 MISCREG_ICIALLU,
104 MISCREG_ICIMVAU,
105 MISCREG_BPIMVA,
106 MISCREG_BPIALLIS,
107 MISCREG_BPIALL,
108 MISCREG_MPUIR,
109 MISCREG_MIDR,
110 MISCREG_RGNR,
111 MISCREG_DRBAR,
112 MISCREG_DRACR,
113 MISCREG_DRSR,
114 MISCREG_CP15_UNIMP_START,
115 MISCREG_CTR = MISCREG_CP15_UNIMP_START,
116 MISCREG_TCMTR,
117 MISCREG_MPIDR,
118 MISCREG_ID_PFR0,
119 MISCREG_ID_PFR1,
120 MISCREG_ID_DFR0,
121 MISCREG_ID_AFR0,
122 MISCREG_ID_MMFR0,
123 MISCREG_ID_MMFR1,
124 MISCREG_ID_MMFR2,
125 MISCREG_ID_MMFR3,
126 MISCREG_ID_ISAR0,
127 MISCREG_ID_ISAR1,
128 MISCREG_ID_ISAR2,
129 MISCREG_ID_ISAR3,
130 MISCREG_ID_ISAR4,
131 MISCREG_ID_ISAR5,
132 MISCREG_AIDR,
133 MISCREG_ACTLR,
134 MISCREG_DFSR,
135 MISCREG_IFSR,
136 MISCREG_ADFSR,
137 MISCREG_AIFSR,
138 MISCREG_DFAR,
139 MISCREG_IFAR,
140 MISCREG_IRBAR,
141 MISCREG_IRSR,
142 MISCREG_IRACR,
143 MISCREG_DCIMVAC,
144 MISCREG_DCISW,
145 MISCREG_MCCSW,
146 MISCREG_DCCMVAU,
147
148 MISCREG_CP15_END,
149
150 // Dummy indices
151 MISCREG_NOP = MISCREG_CP15_END,
152 MISCREG_RAZ,
153
154 NUM_MISCREGS
155 };
156
157 MiscRegIndex decodeCP15Reg(unsigned crn, unsigned opc1,
158 unsigned crm, unsigned opc2);
159
160 const char * const miscRegName[NUM_MISCREGS] = {
161 "cpsr", "spsr", "spsr_fiq", "spsr_irq", "spsr_svc",
162 "spsr_mon", "spsr_und", "spsr_abt",
163 "fpsr", "fpsid", "fpscr", "fpexc", "sev_mailbox",
164 "sctlr", "dccisw", "dccimvac", "dccmvac",
165 "contextidr", "tpidrurw", "tpidruro", "tpidrprw",
166 "cp15isb", "cp15dsb", "cp15dmb", "cpacr",
167 "clidr", "ccsidr", "csselr",
168 "icialluis", "iciallu", "icimvau",
169 "bpimva", "bpiallis", "bpiall",
170 "mpuir", "midr", "rgnr", "drbar", "dracr", "drsr",
171 "ctr", "tcmtr", "mpidr",
172 "id_pfr0", "id_pfr1", "id_dfr0", "id_afr0",
173 "id_mmfr0", "id_mmfr1", "id_mmfr2", "id_mmfr3",
174 "id_isar0", "id_isar1", "id_isar2", "id_isar3", "id_isar4", "id_isar5",
175 "aidr", "actlr",
176 "dfsr", "ifsr", "adfsr", "aifsr", "dfar", "ifar",
177 "irbar", "irsr", "iracr",
178 "dcimvac", "dcisw", "mccsw",
179 "dccmvau",
180 "nop", "raz"
181 };
182
183 BitUnion32(CPSR)
184 Bitfield<31> n;
185 Bitfield<30> z;
186 Bitfield<29> c;
187 Bitfield<28> v;
188 Bitfield<27> q;
189 Bitfield<26,25> it1;
190 Bitfield<24> j;
191 Bitfield<19, 16> ge;
192 Bitfield<15,10> it2;
193 Bitfield<9> e;
194 Bitfield<8> a;
195 Bitfield<7> i;
196 Bitfield<6> f;
197 Bitfield<5> t;
198 Bitfield<4, 0> mode;
199 EndBitUnion(CPSR)
200
201 // This mask selects bits of the CPSR that actually go in the CondCodes
202 // integer register to allow renaming.
203 static const uint32_t CondCodesMask = 0xF80F0000;
204
205 BitUnion32(SCTLR)
206 Bitfield<30> te; // Thumb Exception Enable
207 Bitfield<29> afe; // Access flag enable
208 Bitfield<28> tre; // TEX Remap bit
209 Bitfield<27> nmfi;// Non-maskable fast interrupts enable
210 Bitfield<25> ee; // Exception Endianness bit
211 Bitfield<24> ve; // Interrupt vectors enable
212 Bitfield<23> rao1;// Read as one
213 Bitfield<22> u; // Alignment (now unused)
214 Bitfield<21> fi; // Fast interrupts configuration enable
215 Bitfield<18> rao2;// Read as one
216 Bitfield<17> ha; // Hardware access flag enable
217 Bitfield<16> rao3;// Read as one
218 Bitfield<14> rr; // Round robin cache replacement
219 Bitfield<13> v; // Base address for exception vectors
220 Bitfield<12> i; // instruction cache enable
221 Bitfield<11> z; // branch prediction enable bit
222 Bitfield<10> sw; // Enable swp/swpb
223 Bitfield<6,3> rao4;// Read as one
224 Bitfield<7> b; // Endianness support (unused)
225 Bitfield<2> c; // Cache enable bit
226 Bitfield<1> a; // Alignment fault checking
227 Bitfield<0> m; // MMU enable bit
228 EndBitUnion(SCTLR)
229
230 BitUnion32(CPACR)
231 Bitfield<1, 0> cp0;
232 Bitfield<3, 2> cp1;
233 Bitfield<5, 4> cp2;
234 Bitfield<7, 6> cp3;
235 Bitfield<9, 8> cp4;
236 Bitfield<11, 10> cp5;
237 Bitfield<13, 12> cp6;
238 Bitfield<15, 14> cp7;
239 Bitfield<17, 16> cp8;
240 Bitfield<19, 18> cp9;
241 Bitfield<21, 20> cp10;
242 Bitfield<23, 22> cp11;
243 Bitfield<25, 24> cp12;
244 Bitfield<27, 26> cp13;
245 Bitfield<30> d32dis;
246 Bitfield<31> asedis;
247 EndBitUnion(CPACR)
248};
249
250#endif // __ARCH_ARM_MISCREGS_HH__
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_SPSR,
71 MISCREG_SPSR_FIQ,
72 MISCREG_SPSR_IRQ,
73 MISCREG_SPSR_SVC,
74 MISCREG_SPSR_MON,
75 MISCREG_SPSR_UND,
76 MISCREG_SPSR_ABT,
77 MISCREG_FPSR,
78 MISCREG_FPSID,
79 MISCREG_FPSCR,
80 MISCREG_FPEXC,
81 MISCREG_MVFR0,
82 MISCREG_MVFR1,
83 MISCREG_SEV_MAILBOX,
84
85 // CP15 registers
86 MISCREG_CP15_START,
87 MISCREG_SCTLR = MISCREG_CP15_START,
88 MISCREG_DCCISW,
89 MISCREG_DCCIMVAC,
90 MISCREG_DCCMVAC,
91 MISCREG_CONTEXTIDR,
92 MISCREG_TPIDRURW,
93 MISCREG_TPIDRURO,
94 MISCREG_TPIDRPRW,
95 MISCREG_CP15ISB,
96 MISCREG_CP15DSB,
97 MISCREG_CP15DMB,
98 MISCREG_CPACR,
99 MISCREG_CLIDR,
100 MISCREG_CCSIDR,
101 MISCREG_CSSELR,
102 MISCREG_ICIALLUIS,
103 MISCREG_ICIALLU,
104 MISCREG_ICIMVAU,
105 MISCREG_BPIMVA,
106 MISCREG_BPIALLIS,
107 MISCREG_BPIALL,
108 MISCREG_MPUIR,
109 MISCREG_MIDR,
110 MISCREG_RGNR,
111 MISCREG_DRBAR,
112 MISCREG_DRACR,
113 MISCREG_DRSR,
114 MISCREG_CP15_UNIMP_START,
115 MISCREG_CTR = MISCREG_CP15_UNIMP_START,
116 MISCREG_TCMTR,
117 MISCREG_MPIDR,
118 MISCREG_ID_PFR0,
119 MISCREG_ID_PFR1,
120 MISCREG_ID_DFR0,
121 MISCREG_ID_AFR0,
122 MISCREG_ID_MMFR0,
123 MISCREG_ID_MMFR1,
124 MISCREG_ID_MMFR2,
125 MISCREG_ID_MMFR3,
126 MISCREG_ID_ISAR0,
127 MISCREG_ID_ISAR1,
128 MISCREG_ID_ISAR2,
129 MISCREG_ID_ISAR3,
130 MISCREG_ID_ISAR4,
131 MISCREG_ID_ISAR5,
132 MISCREG_AIDR,
133 MISCREG_ACTLR,
134 MISCREG_DFSR,
135 MISCREG_IFSR,
136 MISCREG_ADFSR,
137 MISCREG_AIFSR,
138 MISCREG_DFAR,
139 MISCREG_IFAR,
140 MISCREG_IRBAR,
141 MISCREG_IRSR,
142 MISCREG_IRACR,
143 MISCREG_DCIMVAC,
144 MISCREG_DCISW,
145 MISCREG_MCCSW,
146 MISCREG_DCCMVAU,
147
148 MISCREG_CP15_END,
149
150 // Dummy indices
151 MISCREG_NOP = MISCREG_CP15_END,
152 MISCREG_RAZ,
153
154 NUM_MISCREGS
155 };
156
157 MiscRegIndex decodeCP15Reg(unsigned crn, unsigned opc1,
158 unsigned crm, unsigned opc2);
159
160 const char * const miscRegName[NUM_MISCREGS] = {
161 "cpsr", "spsr", "spsr_fiq", "spsr_irq", "spsr_svc",
162 "spsr_mon", "spsr_und", "spsr_abt",
163 "fpsr", "fpsid", "fpscr", "fpexc", "sev_mailbox",
164 "sctlr", "dccisw", "dccimvac", "dccmvac",
165 "contextidr", "tpidrurw", "tpidruro", "tpidrprw",
166 "cp15isb", "cp15dsb", "cp15dmb", "cpacr",
167 "clidr", "ccsidr", "csselr",
168 "icialluis", "iciallu", "icimvau",
169 "bpimva", "bpiallis", "bpiall",
170 "mpuir", "midr", "rgnr", "drbar", "dracr", "drsr",
171 "ctr", "tcmtr", "mpidr",
172 "id_pfr0", "id_pfr1", "id_dfr0", "id_afr0",
173 "id_mmfr0", "id_mmfr1", "id_mmfr2", "id_mmfr3",
174 "id_isar0", "id_isar1", "id_isar2", "id_isar3", "id_isar4", "id_isar5",
175 "aidr", "actlr",
176 "dfsr", "ifsr", "adfsr", "aifsr", "dfar", "ifar",
177 "irbar", "irsr", "iracr",
178 "dcimvac", "dcisw", "mccsw",
179 "dccmvau",
180 "nop", "raz"
181 };
182
183 BitUnion32(CPSR)
184 Bitfield<31> n;
185 Bitfield<30> z;
186 Bitfield<29> c;
187 Bitfield<28> v;
188 Bitfield<27> q;
189 Bitfield<26,25> it1;
190 Bitfield<24> j;
191 Bitfield<19, 16> ge;
192 Bitfield<15,10> it2;
193 Bitfield<9> e;
194 Bitfield<8> a;
195 Bitfield<7> i;
196 Bitfield<6> f;
197 Bitfield<5> t;
198 Bitfield<4, 0> mode;
199 EndBitUnion(CPSR)
200
201 // This mask selects bits of the CPSR that actually go in the CondCodes
202 // integer register to allow renaming.
203 static const uint32_t CondCodesMask = 0xF80F0000;
204
205 BitUnion32(SCTLR)
206 Bitfield<30> te; // Thumb Exception Enable
207 Bitfield<29> afe; // Access flag enable
208 Bitfield<28> tre; // TEX Remap bit
209 Bitfield<27> nmfi;// Non-maskable fast interrupts enable
210 Bitfield<25> ee; // Exception Endianness bit
211 Bitfield<24> ve; // Interrupt vectors enable
212 Bitfield<23> rao1;// Read as one
213 Bitfield<22> u; // Alignment (now unused)
214 Bitfield<21> fi; // Fast interrupts configuration enable
215 Bitfield<18> rao2;// Read as one
216 Bitfield<17> ha; // Hardware access flag enable
217 Bitfield<16> rao3;// Read as one
218 Bitfield<14> rr; // Round robin cache replacement
219 Bitfield<13> v; // Base address for exception vectors
220 Bitfield<12> i; // instruction cache enable
221 Bitfield<11> z; // branch prediction enable bit
222 Bitfield<10> sw; // Enable swp/swpb
223 Bitfield<6,3> rao4;// Read as one
224 Bitfield<7> b; // Endianness support (unused)
225 Bitfield<2> c; // Cache enable bit
226 Bitfield<1> a; // Alignment fault checking
227 Bitfield<0> m; // MMU enable bit
228 EndBitUnion(SCTLR)
229
230 BitUnion32(CPACR)
231 Bitfield<1, 0> cp0;
232 Bitfield<3, 2> cp1;
233 Bitfield<5, 4> cp2;
234 Bitfield<7, 6> cp3;
235 Bitfield<9, 8> cp4;
236 Bitfield<11, 10> cp5;
237 Bitfield<13, 12> cp6;
238 Bitfield<15, 14> cp7;
239 Bitfield<17, 16> cp8;
240 Bitfield<19, 18> cp9;
241 Bitfield<21, 20> cp10;
242 Bitfield<23, 22> cp11;
243 Bitfield<25, 24> cp12;
244 Bitfield<27, 26> cp13;
245 Bitfield<30> d32dis;
246 Bitfield<31> asedis;
247 EndBitUnion(CPACR)
248};
249
250#endif // __ARCH_ARM_MISCREGS_HH__