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