xref: /freebsd/sys/arm/include/sysreg.h (revision bd071d4d19411be5b5d6563a6bd0997019b4fb4e)
1 /*-
2  * Copyright 2014 Svatopluk Kraus <onwahe@gmail.com>
3  * Copyright 2014 Michal Meloun <meloun@miracle.cz>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 /*
31  * Macros to make working with the System Control Registers simpler.
32  */
33 
34 #ifndef MACHINE_SYSREG_H
35 #define	MACHINE_SYSREG_H
36 
37 /*
38  * CP15 C0 registers
39  */
40 #define	CP15_MIDR(rr)		p15, 0, rr, c0, c0,  0 /* Main ID Register */
41 #define	CP15_CTR(rr)		p15, 0, rr, c0, c0,  1 /* Cache Type Register */
42 #define	CP15_TCMTR(rr)		p15, 0, rr, c0, c0,  2 /* TCM Type Register */
43 #define	CP15_TLBTR(rr)		p15, 0, rr, c0, c0,  3 /* TLB Type Register */
44 #define	CP15_MPIDR(rr)		p15, 0, rr, c0, c0,  5 /* Multiprocessor Affinity Register */
45 #define	CP15_REVIDR(rr)		p15, 0, rr, c0, c0,  6 /* Revision ID Register */
46 
47 #define	CP15_ID_PFR0(rr)	p15, 0, rr, c0, c1,  0 /* Processor Feature Register 0 */
48 #define	CP15_ID_PFR1(rr)	p15, 0, rr, c0, c1,  1 /* Processor Feature Register 1 */
49 #define	CP15_ID_DFR0(rr)	p15, 0, rr, c0, c1,  2 /* Debug Feature Register 0 */
50 #define	CP15_ID_AFR0(rr)	p15, 0, rr, c0, c1,  3 /* Auxiliary Feature Register  0 */
51 #define	CP15_ID_MMFR0(rr)	p15, 0, rr, c0, c1,  4 /* Memory Model Feature Register 0 */
52 #define	CP15_ID_MMFR1(rr)	p15, 0, rr, c0, c1,  5 /* Memory Model Feature Register 1 */
53 #define	CP15_ID_MMFR2(rr)	p15, 0, rr, c0, c1,  6 /* Memory Model Feature Register 2 */
54 #define	CP15_ID_MMFR3(rr)	p15, 0, rr, c0, c1,  7 /* Memory Model Feature Register 3 */
55 
56 #define	CP15_ID_ISAR0(rr)	p15, 0, rr, c0, c2,  0 /* Instruction Set Attribute Register 0 */
57 #define	CP15_ID_ISAR1(rr)	p15, 0, rr, c0, c2,  1 /* Instruction Set Attribute Register 1 */
58 #define	CP15_ID_ISAR2(rr)	p15, 0, rr, c0, c2,  2 /* Instruction Set Attribute Register 2 */
59 #define	CP15_ID_ISAR3(rr)	p15, 0, rr, c0, c2,  3 /* Instruction Set Attribute Register 3 */
60 #define	CP15_ID_ISAR4(rr)	p15, 0, rr, c0, c2,  4 /* Instruction Set Attribute Register 4 */
61 #define	CP15_ID_ISAR5(rr)	p15, 0, rr, c0, c2,  5 /* Instruction Set Attribute Register 5 */
62 
63 #define	CP15_CCSIDR(rr)		p15, 1, rr, c0, c0,  0 /* Cache Size ID Registers */
64 #define	CP15_CLIDR(rr)		p15, 1, rr, c0, c0,  1 /* Cache Level ID Register */
65 #define	CP15_AIDR(rr)		p15, 1, rr, c0, c0,  7 /* Auxiliary ID Register */
66 
67 #define	CP15_CSSELR(rr)		p15, 2, rr, c0, c0,  0 /* Cache Size Selection Register */
68 
69 /*
70  * CP15 C1 registers
71  */
72 #define	CP15_SCTLR(rr)		p15, 0, rr, c1, c0,  0 /* System Control Register */
73 #define	CP15_ACTLR(rr)		p15, 0, rr, c1, c0,  1 /* IMPLEMENTATION DEFINED Auxiliary Control Register */
74 #define	CP15_CPACR(rr)		p15, 0, rr, c1, c0,  2 /* Coprocessor Access Control Register */
75 
76 #define	CP15_SCR(rr)		p15, 0, rr, c1, c1,  0 /* Secure Configuration Register */
77 #define	CP15_SDER(rr)		p15, 0, rr, c1, c1,  1 /* Secure Debug Enable Register */
78 #define	CP15_NSACR(rr)		p15, 0, rr, c1, c1,  2 /* Non-Secure Access Control Register */
79 
80 /*
81  * CP15 C2 registers
82  */
83 #define	CP15_TTBR0(rr)		p15, 0, rr, c2, c0,  0 /* Translation Table Base Register 0 */
84 #define	CP15_TTBR1(rr)		p15, 0, rr, c2, c0,  1 /* Translation Table Base Register 1 */
85 #define	CP15_TTBCR(rr)		p15, 0, rr, c2, c0,  2 /* Translation Table Base Control Register */
86 
87 /*
88  * CP15 C3 registers
89  */
90 #define	CP15_DACR(rr)		p15, 0, rr, c3, c0,  0 /* Domain Access Control Register */
91 
92 /*
93  * CP15 C5 registers
94  */
95 #define	CP15_DFSR(rr)		p15, 0, rr, c5, c0,  0 /* Data Fault Status Register */
96 
97 #if __ARM_ARCH >= 6
98 /* From ARMv6: */
99 #define	CP15_IFSR(rr)		p15, 0, rr, c5, c0,  1 /* Instruction Fault Status Register */
100 /* From ARMv7: */
101 #define	CP15_ADFSR(rr)		p15, 0, rr, c5, c1,  0 /* Auxiliary Data Fault Status Register */
102 #define	CP15_AIFSR(rr)		p15, 0, rr, c5, c1,  1 /* Auxiliary Instruction Fault Status Register */
103 #endif
104 
105 
106 /*
107  * CP15 C6 registers
108  */
109 #define	CP15_DFAR(rr)		p15, 0, rr, c6, c0,  0 /* Data Fault Address Register */
110 
111 #if __ARM_ARCH >= 6
112 /* From ARMv6k: */
113 #define	CP15_IFAR(rr)		p15, 0, rr, c6, c0,  2 /* Instruction Fault Address Register */
114 #endif
115 
116 /*
117  * CP15 C7 registers
118  */
119 #if __ARM_ARCH >= 6
120 /* From ARMv7: */
121 #define	CP15_ICIALLUIS		p15, 0, r0, c7, c1,  0 /* Instruction cache invalidate all PoU, IS */
122 #define	CP15_BPIALLIS		p15, 0, r0, c7, c1,  6 /* Branch predictor invalidate all IS */
123 #endif
124 
125 #define	CP15_PAR		p15, 0, r0, c7, c4,  0 /* Physical Address Register */
126 
127 #define	CP15_ICIALLU		p15, 0, r0, c7, c5,  0 /* Instruction cache invalidate all PoU */
128 #define	CP15_ICIMVAU(rr)	p15, 0, rr, c7, c5,  1 /* Instruction cache invalidate */
129 #if __ARM_ARCH >= 6
130 /* Deprecated in ARMv7 */
131 #define	CP15_CP15ISB		p15, 0, r0, c7, c5,  4 /* ISB */
132 #endif
133 #define	CP15_BPIALL		p15, 0, r0, c7, c5,  6 /* Branch predictor invalidate all */
134 #define	CP15_BPIMVA		p15, 0, rr, c7, c5,  7 /* Branch predictor invalidate by MVA */
135 
136 #if __ARM_ARCH >= 6
137 /* Only ARMv6: */
138 #define	CP15_DCIALL		p15, 0, r0, c7, c6,  0 /* Data cache invalidate all */
139 #endif
140 #define	CP15_DCIMVAC(rr)	p15, 0, rr, c7, c6,  1 /* Data cache invalidate by MVA PoC */
141 #define	CP15_DCISW(rr)		p15, 0, rr, c7, c6,  2 /* Data cache invalidate by set/way */
142 
143 #define	CP15_ATS1CPR(rr)	p15, 0, rr, c7, c8,  0 /* Stage 1 Current state PL1 read */
144 #define	CP15_ATS1CPW(rr)	p15, 0, rr, c7, c8,  1 /* Stage 1 Current state PL1 write */
145 #define	CP15_ATS1CUR(rr)	p15, 0, rr, c7, c8,  2 /* Stage 1 Current state unprivileged read */
146 #define	CP15_ATS1CUW(rr)	p15, 0, rr, c7, c8,  3 /* Stage 1 Current state unprivileged write */
147 
148 #if __ARM_ARCH >= 6
149 /* From ARMv7: */
150 #define	CP15_ATS12NSOPR(rr)	p15, 0, rr, c7, c8,  4 /* Stages 1 and 2 Non-secure only PL1 read */
151 #define	CP15_ATS12NSOPW(rr)	p15, 0, rr, c7, c8,  5 /* Stages 1 and 2 Non-secure only PL1 write */
152 #define	CP15_ATS12NSOUR(rr)	p15, 0, rr, c7, c8,  6 /* Stages 1 and 2 Non-secure only unprivileged read */
153 #define	CP15_ATS12NSOUW(rr)	p15, 0, rr, c7, c8,  7 /* Stages 1 and 2 Non-secure only unprivileged write */
154 #endif
155 
156 #if __ARM_ARCH >= 6
157 /* Only ARMv6: */
158 #define	CP15_DCCALL		p15, 0, r0, c7, c10, 0 /* Data cache clean all */
159 #endif
160 #define	CP15_DCCMVAC(rr)	p15, 0, rr, c7, c10, 1 /* Data cache clean by MVA PoC */
161 #define	CP15_DCCSW(rr)		p15, 0, rr, c7, c10, 2 /* Data cache clean by set/way */
162 #if __ARM_ARCH >= 6
163 /* Only ARMv6: */
164 #define	CP15_CP15DSB		p15, 0, r0, c7, c10, 4 /* DSB */
165 #define	CP15_CP15DMB		p15, 0, r0, c7, c10, 5 /* DMB */
166 #endif
167 
168 #if __ARM_ARCH >= 6
169 /* From ARMv7: */
170 #define	CP15_DCCMVAU(rr)	p15, 0, rr, c7, c11, 1 /* Data cache clean by MVA PoU */
171 #endif
172 
173 #if __ARM_ARCH >= 6
174 /* Only ARMv6: */
175 #define	CP15_DCCIALL		p15, 0, r0, c7, c14, 0 /* Data cache clean and invalidate all */
176 #endif
177 #define	CP15_DCCIMVAC(rr)	p15, 0, rr, c7, c14, 1 /* Data cache clean and invalidate by MVA PoC */
178 #define	CP15_DCCISW(rr)		p15, 0, rr, c7, c14, 2 /* Data cache clean and invalidate by set/way */
179 
180 /*
181  * CP15 C8 registers
182  */
183 #if __ARM_ARCH >= 6
184 /* From ARMv7: */
185 #define	CP15_TLBIALLIS		p15, 0, r0, c8, c3, 0 /* Invalidate entire unified TLB IS */
186 #define	CP15_TLBIMVAIS(rr)	p15, 0, rr, c8, c3, 1 /* Invalidate unified TLB by MVA IS */
187 #define	CP15_TLBIASIDIS(rr)	p15, 0, rr, c8, c3, 2 /* Invalidate unified TLB by ASID IS */
188 #define	CP15_TLBIMVAAIS(rr)	p15, 0, rr, c8, c3, 3 /* Invalidate unified TLB by MVA, all ASID IS */
189 #endif
190 
191 #define	CP15_TLBIALL		p15, 0, r0, c8, c7, 0 /* Invalidate entire unified TLB */
192 #define	CP15_TLBIMVA(rr)	p15, 0, rr, c8, c7, 1 /* Invalidate unified TLB by MVA */
193 #define	CP15_TLBIASID(rr)	p15, 0, rr, c8, c7, 2 /* Invalidate unified TLB by ASID */
194 
195 #if __ARM_ARCH >= 6
196 /* From ARMv6: */
197 #define	CP15_TLBIMVAA(rr)	p15, 0, rr, c8, c7, 3 /* Invalidate unified TLB by MVA, all ASID */
198 #endif
199 
200 /*
201  * CP15 C10 registers
202  */
203 /* Without LPAE this is PRRR, with LPAE it's MAIR0 */
204 #define	CP15_PRRR(rr)		p15, 0, rr, c10, c2, 0 /* Primary Region Remap Register */
205 #define	CP15_MAIR0(rr)		p15, 0, rr, c10, c2, 0 /* Memory Attribute Indirection Register 0 */
206 /* Without LPAE this is NMRR, with LPAE it's MAIR1 */
207 #define	CP15_NMRR(rr)		p15, 0, rr, c10, c2, 1 /* Normal Memory Remap Register */
208 #define	CP15_MAIR1(rr)		p15, 0, rr, c10, c2, 1 /* Memory Attribute Indirection Register 1 */
209 
210 #define	CP15_AMAIR0(rr)		p15, 0, rr, c10, c3, 0 /* Auxiliary Memory Attribute Indirection Register 0 */
211 #define	CP15_AMAIR1(rr)		p15, 0, rr, c10, c3, 1 /* Auxiliary Memory Attribute Indirection Register 1 */
212 
213 /*
214  * CP15 C12 registers
215  */
216 #define	CP15_VBAR(rr)		p15, 0, rr, c12, c0, 0 /* Vector Base Address Register */
217 #define	CP15_MVBAR(rr)		p15, 0, rr, c12, c0, 1 /* Monitor Vector Base Address Register */
218 
219 #define	CP15_ISR(rr)		p15, 0, rr, c12, c1, 0 /* Interrupt Status Register */
220 
221 /*
222  * CP15 C13 registers
223  */
224 #define	CP15_FCSEIDR(rr)	p15, 0, rr, c13, c0, 0 /* FCSE Process ID Register */
225 #define	CP15_CONTEXTIDR(rr)	p15, 0, rr, c13, c0, 1 /* Context ID Register */
226 #define	CP15_TPIDRURW(rr)	p15, 0, rr, c13, c0, 2 /* User Read/Write Thread ID Register */
227 #define	CP15_TPIDRURO(rr)	p15, 0, rr, c13, c0, 3 /* User Read-Only Thread ID Register */
228 #define	CP15_TPIDRPRW(rr)	p15, 0, rr, c13, c0, 4 /* PL1 only Thread ID Register */
229 
230 #endif /* !MACHINE_SYSREG_H */
231