1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Macros for accessing system registers with older binutils.
4 *
5 * Copyright (C) 2014 ARM Ltd.
6 * Author: Catalin Marinas <catalin.marinas@arm.com>
7 */
8
9 #ifndef __ASM_SYSREG_H
10 #define __ASM_SYSREG_H
11
12 #include <linux/bits.h>
13 #include <linux/stringify.h>
14 #include <linux/kasan-tags.h>
15
16 #include <asm/gpr-num.h>
17
18 /*
19 * ARMv8 ARM reserves the following encoding for system registers:
20 * (Ref: ARMv8 ARM, Section: "System instruction class encoding overview",
21 * C5.2, version:ARM DDI 0487A.f)
22 * [20-19] : Op0
23 * [18-16] : Op1
24 * [15-12] : CRn
25 * [11-8] : CRm
26 * [7-5] : Op2
27 */
28 #define Op0_shift 19
29 #define Op0_mask 0x3
30 #define Op1_shift 16
31 #define Op1_mask 0x7
32 #define CRn_shift 12
33 #define CRn_mask 0xf
34 #define CRm_shift 8
35 #define CRm_mask 0xf
36 #define Op2_shift 5
37 #define Op2_mask 0x7
38
39 #define sys_reg(op0, op1, crn, crm, op2) \
40 (((op0) << Op0_shift) | ((op1) << Op1_shift) | \
41 ((crn) << CRn_shift) | ((crm) << CRm_shift) | \
42 ((op2) << Op2_shift))
43
44 #define sys_insn sys_reg
45
46 #define sys_reg_Op0(id) (((id) >> Op0_shift) & Op0_mask)
47 #define sys_reg_Op1(id) (((id) >> Op1_shift) & Op1_mask)
48 #define sys_reg_CRn(id) (((id) >> CRn_shift) & CRn_mask)
49 #define sys_reg_CRm(id) (((id) >> CRm_shift) & CRm_mask)
50 #define sys_reg_Op2(id) (((id) >> Op2_shift) & Op2_mask)
51
52 #ifndef CONFIG_BROKEN_GAS_INST
53
54 #ifdef __ASSEMBLY__
55 // The space separator is omitted so that __emit_inst(x) can be parsed as
56 // either an assembler directive or an assembler macro argument.
57 #define __emit_inst(x) .inst(x)
58 #else
59 #define __emit_inst(x) ".inst " __stringify((x)) "\n\t"
60 #endif
61
62 #else /* CONFIG_BROKEN_GAS_INST */
63
64 #ifndef CONFIG_CPU_BIG_ENDIAN
65 #define __INSTR_BSWAP(x) (x)
66 #else /* CONFIG_CPU_BIG_ENDIAN */
67 #define __INSTR_BSWAP(x) ((((x) << 24) & 0xff000000) | \
68 (((x) << 8) & 0x00ff0000) | \
69 (((x) >> 8) & 0x0000ff00) | \
70 (((x) >> 24) & 0x000000ff))
71 #endif /* CONFIG_CPU_BIG_ENDIAN */
72
73 #ifdef __ASSEMBLY__
74 #define __emit_inst(x) .long __INSTR_BSWAP(x)
75 #else /* __ASSEMBLY__ */
76 #define __emit_inst(x) ".long " __stringify(__INSTR_BSWAP(x)) "\n\t"
77 #endif /* __ASSEMBLY__ */
78
79 #endif /* CONFIG_BROKEN_GAS_INST */
80
81 /*
82 * Instructions for modifying PSTATE fields.
83 * As per Arm ARM for v8-A, Section "C.5.1.3 op0 == 0b00, architectural hints,
84 * barriers and CLREX, and PSTATE access", ARM DDI 0487 C.a, system instructions
85 * for accessing PSTATE fields have the following encoding:
86 * Op0 = 0, CRn = 4
87 * Op1, Op2 encodes the PSTATE field modified and defines the constraints.
88 * CRm = Imm4 for the instruction.
89 * Rt = 0x1f
90 */
91 #define pstate_field(op1, op2) ((op1) << Op1_shift | (op2) << Op2_shift)
92 #define PSTATE_Imm_shift CRm_shift
93 #define SET_PSTATE(x, r) __emit_inst(0xd500401f | PSTATE_ ## r | ((!!x) << PSTATE_Imm_shift))
94
95 #define PSTATE_PAN pstate_field(0, 4)
96 #define PSTATE_UAO pstate_field(0, 3)
97 #define PSTATE_SSBS pstate_field(3, 1)
98 #define PSTATE_DIT pstate_field(3, 2)
99 #define PSTATE_TCO pstate_field(3, 4)
100
101 #define SET_PSTATE_PAN(x) SET_PSTATE((x), PAN)
102 #define SET_PSTATE_UAO(x) SET_PSTATE((x), UAO)
103 #define SET_PSTATE_SSBS(x) SET_PSTATE((x), SSBS)
104 #define SET_PSTATE_DIT(x) SET_PSTATE((x), DIT)
105 #define SET_PSTATE_TCO(x) SET_PSTATE((x), TCO)
106
107 #define set_pstate_pan(x) asm volatile(SET_PSTATE_PAN(x))
108 #define set_pstate_uao(x) asm volatile(SET_PSTATE_UAO(x))
109 #define set_pstate_ssbs(x) asm volatile(SET_PSTATE_SSBS(x))
110 #define set_pstate_dit(x) asm volatile(SET_PSTATE_DIT(x))
111
112 #define __SYS_BARRIER_INSN(CRm, op2, Rt) \
113 __emit_inst(0xd5000000 | sys_insn(0, 3, 3, (CRm), (op2)) | ((Rt) & 0x1f))
114
115 #define SB_BARRIER_INSN __SYS_BARRIER_INSN(0, 7, 31)
116
117 #define SYS_DC_ISW sys_insn(1, 0, 7, 6, 2)
118 #define SYS_DC_IGSW sys_insn(1, 0, 7, 6, 4)
119 #define SYS_DC_IGDSW sys_insn(1, 0, 7, 6, 6)
120 #define SYS_DC_CSW sys_insn(1, 0, 7, 10, 2)
121 #define SYS_DC_CGSW sys_insn(1, 0, 7, 10, 4)
122 #define SYS_DC_CGDSW sys_insn(1, 0, 7, 10, 6)
123 #define SYS_DC_CISW sys_insn(1, 0, 7, 14, 2)
124 #define SYS_DC_CIGSW sys_insn(1, 0, 7, 14, 4)
125 #define SYS_DC_CIGDSW sys_insn(1, 0, 7, 14, 6)
126
127 #define SYS_IC_IALLUIS sys_insn(1, 0, 7, 1, 0)
128 #define SYS_IC_IALLU sys_insn(1, 0, 7, 5, 0)
129 #define SYS_IC_IVAU sys_insn(1, 3, 7, 5, 1)
130
131 #define SYS_DC_IVAC sys_insn(1, 0, 7, 6, 1)
132 #define SYS_DC_IGVAC sys_insn(1, 0, 7, 6, 3)
133 #define SYS_DC_IGDVAC sys_insn(1, 0, 7, 6, 5)
134
135 #define SYS_DC_CVAC sys_insn(1, 3, 7, 10, 1)
136 #define SYS_DC_CGVAC sys_insn(1, 3, 7, 10, 3)
137 #define SYS_DC_CGDVAC sys_insn(1, 3, 7, 10, 5)
138
139 #define SYS_DC_CVAU sys_insn(1, 3, 7, 11, 1)
140
141 #define SYS_DC_CVAP sys_insn(1, 3, 7, 12, 1)
142 #define SYS_DC_CGVAP sys_insn(1, 3, 7, 12, 3)
143 #define SYS_DC_CGDVAP sys_insn(1, 3, 7, 12, 5)
144
145 #define SYS_DC_CVADP sys_insn(1, 3, 7, 13, 1)
146 #define SYS_DC_CGVADP sys_insn(1, 3, 7, 13, 3)
147 #define SYS_DC_CGDVADP sys_insn(1, 3, 7, 13, 5)
148
149 #define SYS_DC_CIVAC sys_insn(1, 3, 7, 14, 1)
150 #define SYS_DC_CIGVAC sys_insn(1, 3, 7, 14, 3)
151 #define SYS_DC_CIGDVAC sys_insn(1, 3, 7, 14, 5)
152
153 /* Data cache zero operations */
154 #define SYS_DC_ZVA sys_insn(1, 3, 7, 4, 1)
155 #define SYS_DC_GVA sys_insn(1, 3, 7, 4, 3)
156 #define SYS_DC_GZVA sys_insn(1, 3, 7, 4, 4)
157
158 /*
159 * Automatically generated definitions for system registers, the
160 * manual encodings below are in the process of being converted to
161 * come from here. The header relies on the definition of sys_reg()
162 * earlier in this file.
163 */
164 #include "asm/sysreg-defs.h"
165
166 /*
167 * System registers, organised loosely by encoding but grouped together
168 * where the architected name contains an index. e.g. ID_MMFR<n>_EL1.
169 */
170 #define SYS_SVCR_SMSTOP_SM_EL0 sys_reg(0, 3, 4, 2, 3)
171 #define SYS_SVCR_SMSTART_SM_EL0 sys_reg(0, 3, 4, 3, 3)
172 #define SYS_SVCR_SMSTOP_SMZA_EL0 sys_reg(0, 3, 4, 6, 3)
173
174 #define SYS_DBGBVRn_EL1(n) sys_reg(2, 0, 0, n, 4)
175 #define SYS_DBGBCRn_EL1(n) sys_reg(2, 0, 0, n, 5)
176 #define SYS_DBGWVRn_EL1(n) sys_reg(2, 0, 0, n, 6)
177 #define SYS_DBGWCRn_EL1(n) sys_reg(2, 0, 0, n, 7)
178 #define SYS_MDRAR_EL1 sys_reg(2, 0, 1, 0, 0)
179
180 #define SYS_OSLSR_EL1 sys_reg(2, 0, 1, 1, 4)
181 #define OSLSR_EL1_OSLM_MASK (BIT(3) | BIT(0))
182 #define OSLSR_EL1_OSLM_NI 0
183 #define OSLSR_EL1_OSLM_IMPLEMENTED BIT(3)
184 #define OSLSR_EL1_OSLK BIT(1)
185
186 #define SYS_OSDLR_EL1 sys_reg(2, 0, 1, 3, 4)
187 #define SYS_DBGPRCR_EL1 sys_reg(2, 0, 1, 4, 4)
188 #define SYS_DBGCLAIMSET_EL1 sys_reg(2, 0, 7, 8, 6)
189 #define SYS_DBGCLAIMCLR_EL1 sys_reg(2, 0, 7, 9, 6)
190 #define SYS_DBGAUTHSTATUS_EL1 sys_reg(2, 0, 7, 14, 6)
191 #define SYS_MDCCSR_EL0 sys_reg(2, 3, 0, 1, 0)
192 #define SYS_DBGDTR_EL0 sys_reg(2, 3, 0, 4, 0)
193 #define SYS_DBGDTRRX_EL0 sys_reg(2, 3, 0, 5, 0)
194 #define SYS_DBGDTRTX_EL0 sys_reg(2, 3, 0, 5, 0)
195 #define SYS_DBGVCR32_EL2 sys_reg(2, 4, 0, 7, 0)
196
197 #define SYS_BRBINF_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 0))
198 #define SYS_BRBINFINJ_EL1 sys_reg(2, 1, 9, 1, 0)
199 #define SYS_BRBSRC_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 1))
200 #define SYS_BRBSRCINJ_EL1 sys_reg(2, 1, 9, 1, 1)
201 #define SYS_BRBTGT_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 2))
202 #define SYS_BRBTGTINJ_EL1 sys_reg(2, 1, 9, 1, 2)
203 #define SYS_BRBTS_EL1 sys_reg(2, 1, 9, 0, 2)
204
205 #define SYS_BRBCR_EL1 sys_reg(2, 1, 9, 0, 0)
206 #define SYS_BRBFCR_EL1 sys_reg(2, 1, 9, 0, 1)
207 #define SYS_BRBIDR0_EL1 sys_reg(2, 1, 9, 2, 0)
208
209 #define SYS_TRCITECR_EL1 sys_reg(3, 0, 1, 2, 3)
210 #define SYS_TRCACATR(m) sys_reg(2, 1, 2, ((m & 7) << 1), (2 | (m >> 3)))
211 #define SYS_TRCACVR(m) sys_reg(2, 1, 2, ((m & 7) << 1), (0 | (m >> 3)))
212 #define SYS_TRCAUTHSTATUS sys_reg(2, 1, 7, 14, 6)
213 #define SYS_TRCAUXCTLR sys_reg(2, 1, 0, 6, 0)
214 #define SYS_TRCBBCTLR sys_reg(2, 1, 0, 15, 0)
215 #define SYS_TRCCCCTLR sys_reg(2, 1, 0, 14, 0)
216 #define SYS_TRCCIDCCTLR0 sys_reg(2, 1, 3, 0, 2)
217 #define SYS_TRCCIDCCTLR1 sys_reg(2, 1, 3, 1, 2)
218 #define SYS_TRCCIDCVR(m) sys_reg(2, 1, 3, ((m & 7) << 1), 0)
219 #define SYS_TRCCLAIMCLR sys_reg(2, 1, 7, 9, 6)
220 #define SYS_TRCCLAIMSET sys_reg(2, 1, 7, 8, 6)
221 #define SYS_TRCCNTCTLR(m) sys_reg(2, 1, 0, (4 | (m & 3)), 5)
222 #define SYS_TRCCNTRLDVR(m) sys_reg(2, 1, 0, (0 | (m & 3)), 5)
223 #define SYS_TRCCNTVR(m) sys_reg(2, 1, 0, (8 | (m & 3)), 5)
224 #define SYS_TRCCONFIGR sys_reg(2, 1, 0, 4, 0)
225 #define SYS_TRCDEVARCH sys_reg(2, 1, 7, 15, 6)
226 #define SYS_TRCDEVID sys_reg(2, 1, 7, 2, 7)
227 #define SYS_TRCEVENTCTL0R sys_reg(2, 1, 0, 8, 0)
228 #define SYS_TRCEVENTCTL1R sys_reg(2, 1, 0, 9, 0)
229 #define SYS_TRCEXTINSELR(m) sys_reg(2, 1, 0, (8 | (m & 3)), 4)
230 #define SYS_TRCIDR0 sys_reg(2, 1, 0, 8, 7)
231 #define SYS_TRCIDR10 sys_reg(2, 1, 0, 2, 6)
232 #define SYS_TRCIDR11 sys_reg(2, 1, 0, 3, 6)
233 #define SYS_TRCIDR12 sys_reg(2, 1, 0, 4, 6)
234 #define SYS_TRCIDR13 sys_reg(2, 1, 0, 5, 6)
235 #define SYS_TRCIDR1 sys_reg(2, 1, 0, 9, 7)
236 #define SYS_TRCIDR2 sys_reg(2, 1, 0, 10, 7)
237 #define SYS_TRCIDR3 sys_reg(2, 1, 0, 11, 7)
238 #define SYS_TRCIDR4 sys_reg(2, 1, 0, 12, 7)
239 #define SYS_TRCIDR5 sys_reg(2, 1, 0, 13, 7)
240 #define SYS_TRCIDR6 sys_reg(2, 1, 0, 14, 7)
241 #define SYS_TRCIDR7 sys_reg(2, 1, 0, 15, 7)
242 #define SYS_TRCIDR8 sys_reg(2, 1, 0, 0, 6)
243 #define SYS_TRCIDR9 sys_reg(2, 1, 0, 1, 6)
244 #define SYS_TRCIMSPEC(m) sys_reg(2, 1, 0, (m & 7), 7)
245 #define SYS_TRCITEEDCR sys_reg(2, 1, 0, 2, 1)
246 #define SYS_TRCOSLSR sys_reg(2, 1, 1, 1, 4)
247 #define SYS_TRCPRGCTLR sys_reg(2, 1, 0, 1, 0)
248 #define SYS_TRCQCTLR sys_reg(2, 1, 0, 1, 1)
249 #define SYS_TRCRSCTLR(m) sys_reg(2, 1, 1, (m & 15), (0 | (m >> 4)))
250 #define SYS_TRCRSR sys_reg(2, 1, 0, 10, 0)
251 #define SYS_TRCSEQEVR(m) sys_reg(2, 1, 0, (m & 3), 4)
252 #define SYS_TRCSEQRSTEVR sys_reg(2, 1, 0, 6, 4)
253 #define SYS_TRCSEQSTR sys_reg(2, 1, 0, 7, 4)
254 #define SYS_TRCSSCCR(m) sys_reg(2, 1, 1, (m & 7), 2)
255 #define SYS_TRCSSCSR(m) sys_reg(2, 1, 1, (8 | (m & 7)), 2)
256 #define SYS_TRCSSPCICR(m) sys_reg(2, 1, 1, (m & 7), 3)
257 #define SYS_TRCSTALLCTLR sys_reg(2, 1, 0, 11, 0)
258 #define SYS_TRCSTATR sys_reg(2, 1, 0, 3, 0)
259 #define SYS_TRCSYNCPR sys_reg(2, 1, 0, 13, 0)
260 #define SYS_TRCTRACEIDR sys_reg(2, 1, 0, 0, 1)
261 #define SYS_TRCTSCTLR sys_reg(2, 1, 0, 12, 0)
262 #define SYS_TRCVICTLR sys_reg(2, 1, 0, 0, 2)
263 #define SYS_TRCVIIECTLR sys_reg(2, 1, 0, 1, 2)
264 #define SYS_TRCVIPCSSCTLR sys_reg(2, 1, 0, 3, 2)
265 #define SYS_TRCVISSCTLR sys_reg(2, 1, 0, 2, 2)
266 #define SYS_TRCVMIDCCTLR0 sys_reg(2, 1, 3, 2, 2)
267 #define SYS_TRCVMIDCCTLR1 sys_reg(2, 1, 3, 3, 2)
268 #define SYS_TRCVMIDCVR(m) sys_reg(2, 1, 3, ((m & 7) << 1), 1)
269
270 /* ETM */
271 #define SYS_TRCOSLAR sys_reg(2, 1, 1, 0, 4)
272
273 #define SYS_BRBCR_EL2 sys_reg(2, 4, 9, 0, 0)
274
275 #define SYS_MIDR_EL1 sys_reg(3, 0, 0, 0, 0)
276 #define SYS_MPIDR_EL1 sys_reg(3, 0, 0, 0, 5)
277 #define SYS_REVIDR_EL1 sys_reg(3, 0, 0, 0, 6)
278
279 #define SYS_ACTLR_EL1 sys_reg(3, 0, 1, 0, 1)
280 #define SYS_RGSR_EL1 sys_reg(3, 0, 1, 0, 5)
281 #define SYS_GCR_EL1 sys_reg(3, 0, 1, 0, 6)
282
283 #define SYS_TRFCR_EL1 sys_reg(3, 0, 1, 2, 1)
284
285 #define SYS_TCR_EL1 sys_reg(3, 0, 2, 0, 2)
286
287 #define SYS_APIAKEYLO_EL1 sys_reg(3, 0, 2, 1, 0)
288 #define SYS_APIAKEYHI_EL1 sys_reg(3, 0, 2, 1, 1)
289 #define SYS_APIBKEYLO_EL1 sys_reg(3, 0, 2, 1, 2)
290 #define SYS_APIBKEYHI_EL1 sys_reg(3, 0, 2, 1, 3)
291
292 #define SYS_APDAKEYLO_EL1 sys_reg(3, 0, 2, 2, 0)
293 #define SYS_APDAKEYHI_EL1 sys_reg(3, 0, 2, 2, 1)
294 #define SYS_APDBKEYLO_EL1 sys_reg(3, 0, 2, 2, 2)
295 #define SYS_APDBKEYHI_EL1 sys_reg(3, 0, 2, 2, 3)
296
297 #define SYS_APGAKEYLO_EL1 sys_reg(3, 0, 2, 3, 0)
298 #define SYS_APGAKEYHI_EL1 sys_reg(3, 0, 2, 3, 1)
299
300 #define SYS_SPSR_EL1 sys_reg(3, 0, 4, 0, 0)
301 #define SYS_ELR_EL1 sys_reg(3, 0, 4, 0, 1)
302
303 #define SYS_ICC_PMR_EL1 sys_reg(3, 0, 4, 6, 0)
304
305 #define SYS_AFSR0_EL1 sys_reg(3, 0, 5, 1, 0)
306 #define SYS_AFSR1_EL1 sys_reg(3, 0, 5, 1, 1)
307 #define SYS_ESR_EL1 sys_reg(3, 0, 5, 2, 0)
308
309 #define SYS_ERRIDR_EL1 sys_reg(3, 0, 5, 3, 0)
310 #define SYS_ERRSELR_EL1 sys_reg(3, 0, 5, 3, 1)
311 #define SYS_ERXFR_EL1 sys_reg(3, 0, 5, 4, 0)
312 #define SYS_ERXCTLR_EL1 sys_reg(3, 0, 5, 4, 1)
313 #define SYS_ERXSTATUS_EL1 sys_reg(3, 0, 5, 4, 2)
314 #define SYS_ERXADDR_EL1 sys_reg(3, 0, 5, 4, 3)
315 #define SYS_ERXPFGF_EL1 sys_reg(3, 0, 5, 4, 4)
316 #define SYS_ERXPFGCTL_EL1 sys_reg(3, 0, 5, 4, 5)
317 #define SYS_ERXPFGCDN_EL1 sys_reg(3, 0, 5, 4, 6)
318 #define SYS_ERXMISC0_EL1 sys_reg(3, 0, 5, 5, 0)
319 #define SYS_ERXMISC1_EL1 sys_reg(3, 0, 5, 5, 1)
320 #define SYS_ERXMISC2_EL1 sys_reg(3, 0, 5, 5, 2)
321 #define SYS_ERXMISC3_EL1 sys_reg(3, 0, 5, 5, 3)
322 #define SYS_TFSR_EL1 sys_reg(3, 0, 5, 6, 0)
323 #define SYS_TFSRE0_EL1 sys_reg(3, 0, 5, 6, 1)
324
325 #define SYS_PAR_EL1 sys_reg(3, 0, 7, 4, 0)
326
327 #define SYS_PAR_EL1_F BIT(0)
328 #define SYS_PAR_EL1_FST GENMASK(6, 1)
329
330 /*** Statistical Profiling Extension ***/
331 #define PMSEVFR_EL1_RES0_IMP \
332 (GENMASK_ULL(47, 32) | GENMASK_ULL(23, 16) | GENMASK_ULL(11, 8) |\
333 BIT_ULL(6) | BIT_ULL(4) | BIT_ULL(2) | BIT_ULL(0))
334 #define PMSEVFR_EL1_RES0_V1P1 \
335 (PMSEVFR_EL1_RES0_IMP & ~(BIT_ULL(18) | BIT_ULL(17) | BIT_ULL(11)))
336 #define PMSEVFR_EL1_RES0_V1P2 \
337 (PMSEVFR_EL1_RES0_V1P1 & ~BIT_ULL(6))
338
339 /* Buffer error reporting */
340 #define PMBSR_EL1_FAULT_FSC_SHIFT PMBSR_EL1_MSS_SHIFT
341 #define PMBSR_EL1_FAULT_FSC_MASK PMBSR_EL1_MSS_MASK
342
343 #define PMBSR_EL1_BUF_BSC_SHIFT PMBSR_EL1_MSS_SHIFT
344 #define PMBSR_EL1_BUF_BSC_MASK PMBSR_EL1_MSS_MASK
345
346 #define PMBSR_EL1_BUF_BSC_FULL 0x1UL
347
348 /*** End of Statistical Profiling Extension ***/
349
350 #define TRBSR_EL1_BSC_MASK GENMASK(5, 0)
351 #define TRBSR_EL1_BSC_SHIFT 0
352
353 #define SYS_PMINTENSET_EL1 sys_reg(3, 0, 9, 14, 1)
354 #define SYS_PMINTENCLR_EL1 sys_reg(3, 0, 9, 14, 2)
355
356 #define SYS_PMMIR_EL1 sys_reg(3, 0, 9, 14, 6)
357
358 #define SYS_MAIR_EL1 sys_reg(3, 0, 10, 2, 0)
359 #define SYS_AMAIR_EL1 sys_reg(3, 0, 10, 3, 0)
360
361 #define SYS_VBAR_EL1 sys_reg(3, 0, 12, 0, 0)
362 #define SYS_DISR_EL1 sys_reg(3, 0, 12, 1, 1)
363
364 #define SYS_ICC_IAR0_EL1 sys_reg(3, 0, 12, 8, 0)
365 #define SYS_ICC_EOIR0_EL1 sys_reg(3, 0, 12, 8, 1)
366 #define SYS_ICC_HPPIR0_EL1 sys_reg(3, 0, 12, 8, 2)
367 #define SYS_ICC_BPR0_EL1 sys_reg(3, 0, 12, 8, 3)
368 #define SYS_ICC_AP0Rn_EL1(n) sys_reg(3, 0, 12, 8, 4 | n)
369 #define SYS_ICC_AP0R0_EL1 SYS_ICC_AP0Rn_EL1(0)
370 #define SYS_ICC_AP0R1_EL1 SYS_ICC_AP0Rn_EL1(1)
371 #define SYS_ICC_AP0R2_EL1 SYS_ICC_AP0Rn_EL1(2)
372 #define SYS_ICC_AP0R3_EL1 SYS_ICC_AP0Rn_EL1(3)
373 #define SYS_ICC_AP1Rn_EL1(n) sys_reg(3, 0, 12, 9, n)
374 #define SYS_ICC_AP1R0_EL1 SYS_ICC_AP1Rn_EL1(0)
375 #define SYS_ICC_AP1R1_EL1 SYS_ICC_AP1Rn_EL1(1)
376 #define SYS_ICC_AP1R2_EL1 SYS_ICC_AP1Rn_EL1(2)
377 #define SYS_ICC_AP1R3_EL1 SYS_ICC_AP1Rn_EL1(3)
378 #define SYS_ICC_DIR_EL1 sys_reg(3, 0, 12, 11, 1)
379 #define SYS_ICC_RPR_EL1 sys_reg(3, 0, 12, 11, 3)
380 #define SYS_ICC_SGI1R_EL1 sys_reg(3, 0, 12, 11, 5)
381 #define SYS_ICC_ASGI1R_EL1 sys_reg(3, 0, 12, 11, 6)
382 #define SYS_ICC_SGI0R_EL1 sys_reg(3, 0, 12, 11, 7)
383 #define SYS_ICC_IAR1_EL1 sys_reg(3, 0, 12, 12, 0)
384 #define SYS_ICC_EOIR1_EL1 sys_reg(3, 0, 12, 12, 1)
385 #define SYS_ICC_HPPIR1_EL1 sys_reg(3, 0, 12, 12, 2)
386 #define SYS_ICC_BPR1_EL1 sys_reg(3, 0, 12, 12, 3)
387 #define SYS_ICC_CTLR_EL1 sys_reg(3, 0, 12, 12, 4)
388 #define SYS_ICC_SRE_EL1 sys_reg(3, 0, 12, 12, 5)
389 #define SYS_ICC_IGRPEN0_EL1 sys_reg(3, 0, 12, 12, 6)
390 #define SYS_ICC_IGRPEN1_EL1 sys_reg(3, 0, 12, 12, 7)
391
392 #define SYS_ACCDATA_EL1 sys_reg(3, 0, 13, 0, 5)
393
394 #define SYS_CNTKCTL_EL1 sys_reg(3, 0, 14, 1, 0)
395
396 #define SYS_AIDR_EL1 sys_reg(3, 1, 0, 0, 7)
397
398 #define SYS_RNDR_EL0 sys_reg(3, 3, 2, 4, 0)
399 #define SYS_RNDRRS_EL0 sys_reg(3, 3, 2, 4, 1)
400
401 #define SYS_PMCR_EL0 sys_reg(3, 3, 9, 12, 0)
402 #define SYS_PMCNTENSET_EL0 sys_reg(3, 3, 9, 12, 1)
403 #define SYS_PMCNTENCLR_EL0 sys_reg(3, 3, 9, 12, 2)
404 #define SYS_PMOVSCLR_EL0 sys_reg(3, 3, 9, 12, 3)
405 #define SYS_PMSWINC_EL0 sys_reg(3, 3, 9, 12, 4)
406 #define SYS_PMSELR_EL0 sys_reg(3, 3, 9, 12, 5)
407 #define SYS_PMCEID0_EL0 sys_reg(3, 3, 9, 12, 6)
408 #define SYS_PMCEID1_EL0 sys_reg(3, 3, 9, 12, 7)
409 #define SYS_PMCCNTR_EL0 sys_reg(3, 3, 9, 13, 0)
410 #define SYS_PMXEVTYPER_EL0 sys_reg(3, 3, 9, 13, 1)
411 #define SYS_PMXEVCNTR_EL0 sys_reg(3, 3, 9, 13, 2)
412 #define SYS_PMUSERENR_EL0 sys_reg(3, 3, 9, 14, 0)
413 #define SYS_PMOVSSET_EL0 sys_reg(3, 3, 9, 14, 3)
414
415 #define SYS_TPIDR_EL0 sys_reg(3, 3, 13, 0, 2)
416 #define SYS_TPIDRRO_EL0 sys_reg(3, 3, 13, 0, 3)
417 #define SYS_TPIDR2_EL0 sys_reg(3, 3, 13, 0, 5)
418
419 #define SYS_SCXTNUM_EL0 sys_reg(3, 3, 13, 0, 7)
420
421 /* Definitions for system register interface to AMU for ARMv8.4 onwards */
422 #define SYS_AM_EL0(crm, op2) sys_reg(3, 3, 13, (crm), (op2))
423 #define SYS_AMCR_EL0 SYS_AM_EL0(2, 0)
424 #define SYS_AMCFGR_EL0 SYS_AM_EL0(2, 1)
425 #define SYS_AMCGCR_EL0 SYS_AM_EL0(2, 2)
426 #define SYS_AMUSERENR_EL0 SYS_AM_EL0(2, 3)
427 #define SYS_AMCNTENCLR0_EL0 SYS_AM_EL0(2, 4)
428 #define SYS_AMCNTENSET0_EL0 SYS_AM_EL0(2, 5)
429 #define SYS_AMCNTENCLR1_EL0 SYS_AM_EL0(3, 0)
430 #define SYS_AMCNTENSET1_EL0 SYS_AM_EL0(3, 1)
431
432 /*
433 * Group 0 of activity monitors (architected):
434 * op0 op1 CRn CRm op2
435 * Counter: 11 011 1101 010:n<3> n<2:0>
436 * Type: 11 011 1101 011:n<3> n<2:0>
437 * n: 0-15
438 *
439 * Group 1 of activity monitors (auxiliary):
440 * op0 op1 CRn CRm op2
441 * Counter: 11 011 1101 110:n<3> n<2:0>
442 * Type: 11 011 1101 111:n<3> n<2:0>
443 * n: 0-15
444 */
445
446 #define SYS_AMEVCNTR0_EL0(n) SYS_AM_EL0(4 + ((n) >> 3), (n) & 7)
447 #define SYS_AMEVTYPER0_EL0(n) SYS_AM_EL0(6 + ((n) >> 3), (n) & 7)
448 #define SYS_AMEVCNTR1_EL0(n) SYS_AM_EL0(12 + ((n) >> 3), (n) & 7)
449 #define SYS_AMEVTYPER1_EL0(n) SYS_AM_EL0(14 + ((n) >> 3), (n) & 7)
450
451 /* AMU v1: Fixed (architecturally defined) activity monitors */
452 #define SYS_AMEVCNTR0_CORE_EL0 SYS_AMEVCNTR0_EL0(0)
453 #define SYS_AMEVCNTR0_CONST_EL0 SYS_AMEVCNTR0_EL0(1)
454 #define SYS_AMEVCNTR0_INST_RET_EL0 SYS_AMEVCNTR0_EL0(2)
455 #define SYS_AMEVCNTR0_MEM_STALL SYS_AMEVCNTR0_EL0(3)
456
457 #define SYS_CNTFRQ_EL0 sys_reg(3, 3, 14, 0, 0)
458
459 #define SYS_CNTPCT_EL0 sys_reg(3, 3, 14, 0, 1)
460 #define SYS_CNTPCTSS_EL0 sys_reg(3, 3, 14, 0, 5)
461 #define SYS_CNTVCTSS_EL0 sys_reg(3, 3, 14, 0, 6)
462
463 #define SYS_CNTP_TVAL_EL0 sys_reg(3, 3, 14, 2, 0)
464 #define SYS_CNTP_CTL_EL0 sys_reg(3, 3, 14, 2, 1)
465 #define SYS_CNTP_CVAL_EL0 sys_reg(3, 3, 14, 2, 2)
466
467 #define SYS_CNTV_CTL_EL0 sys_reg(3, 3, 14, 3, 1)
468 #define SYS_CNTV_CVAL_EL0 sys_reg(3, 3, 14, 3, 2)
469
470 #define SYS_AARCH32_CNTP_TVAL sys_reg(0, 0, 14, 2, 0)
471 #define SYS_AARCH32_CNTP_CTL sys_reg(0, 0, 14, 2, 1)
472 #define SYS_AARCH32_CNTPCT sys_reg(0, 0, 0, 14, 0)
473 #define SYS_AARCH32_CNTP_CVAL sys_reg(0, 2, 0, 14, 0)
474 #define SYS_AARCH32_CNTPCTSS sys_reg(0, 8, 0, 14, 0)
475
476 #define __PMEV_op2(n) ((n) & 0x7)
477 #define __CNTR_CRm(n) (0x8 | (((n) >> 3) & 0x3))
478 #define SYS_PMEVCNTRn_EL0(n) sys_reg(3, 3, 14, __CNTR_CRm(n), __PMEV_op2(n))
479 #define __TYPER_CRm(n) (0xc | (((n) >> 3) & 0x3))
480 #define SYS_PMEVTYPERn_EL0(n) sys_reg(3, 3, 14, __TYPER_CRm(n), __PMEV_op2(n))
481
482 #define SYS_PMCCFILTR_EL0 sys_reg(3, 3, 14, 15, 7)
483
484 #define SYS_VPIDR_EL2 sys_reg(3, 4, 0, 0, 0)
485 #define SYS_VMPIDR_EL2 sys_reg(3, 4, 0, 0, 5)
486
487 #define SYS_SCTLR_EL2 sys_reg(3, 4, 1, 0, 0)
488 #define SYS_ACTLR_EL2 sys_reg(3, 4, 1, 0, 1)
489 #define SYS_SCTLR2_EL2 sys_reg(3, 4, 1, 0, 3)
490 #define SYS_HCR_EL2 sys_reg(3, 4, 1, 1, 0)
491 #define SYS_MDCR_EL2 sys_reg(3, 4, 1, 1, 1)
492 #define SYS_CPTR_EL2 sys_reg(3, 4, 1, 1, 2)
493 #define SYS_HSTR_EL2 sys_reg(3, 4, 1, 1, 3)
494 #define SYS_HACR_EL2 sys_reg(3, 4, 1, 1, 7)
495
496 #define SYS_TTBR0_EL2 sys_reg(3, 4, 2, 0, 0)
497 #define SYS_TTBR1_EL2 sys_reg(3, 4, 2, 0, 1)
498 #define SYS_TCR_EL2 sys_reg(3, 4, 2, 0, 2)
499 #define SYS_VTTBR_EL2 sys_reg(3, 4, 2, 1, 0)
500 #define SYS_VTCR_EL2 sys_reg(3, 4, 2, 1, 2)
501
502 #define SYS_TRFCR_EL2 sys_reg(3, 4, 1, 2, 1)
503 #define SYS_VNCR_EL2 sys_reg(3, 4, 2, 2, 0)
504 #define SYS_HAFGRTR_EL2 sys_reg(3, 4, 3, 1, 6)
505 #define SYS_SPSR_EL2 sys_reg(3, 4, 4, 0, 0)
506 #define SYS_ELR_EL2 sys_reg(3, 4, 4, 0, 1)
507 #define SYS_SP_EL1 sys_reg(3, 4, 4, 1, 0)
508 #define SYS_SPSR_irq sys_reg(3, 4, 4, 3, 0)
509 #define SYS_SPSR_abt sys_reg(3, 4, 4, 3, 1)
510 #define SYS_SPSR_und sys_reg(3, 4, 4, 3, 2)
511 #define SYS_SPSR_fiq sys_reg(3, 4, 4, 3, 3)
512 #define SYS_IFSR32_EL2 sys_reg(3, 4, 5, 0, 1)
513 #define SYS_AFSR0_EL2 sys_reg(3, 4, 5, 1, 0)
514 #define SYS_AFSR1_EL2 sys_reg(3, 4, 5, 1, 1)
515 #define SYS_ESR_EL2 sys_reg(3, 4, 5, 2, 0)
516 #define SYS_VSESR_EL2 sys_reg(3, 4, 5, 2, 3)
517 #define SYS_FPEXC32_EL2 sys_reg(3, 4, 5, 3, 0)
518 #define SYS_TFSR_EL2 sys_reg(3, 4, 5, 6, 0)
519
520 #define SYS_FAR_EL2 sys_reg(3, 4, 6, 0, 0)
521 #define SYS_HPFAR_EL2 sys_reg(3, 4, 6, 0, 4)
522
523 #define SYS_MAIR_EL2 sys_reg(3, 4, 10, 2, 0)
524 #define SYS_AMAIR_EL2 sys_reg(3, 4, 10, 3, 0)
525 #define SYS_MPAMHCR_EL2 sys_reg(3, 4, 10, 4, 0)
526 #define SYS_MPAMVPMV_EL2 sys_reg(3, 4, 10, 4, 1)
527 #define SYS_MPAM2_EL2 sys_reg(3, 4, 10, 5, 0)
528 #define __SYS__MPAMVPMx_EL2(x) sys_reg(3, 4, 10, 6, x)
529 #define SYS_MPAMVPM0_EL2 __SYS__MPAMVPMx_EL2(0)
530 #define SYS_MPAMVPM1_EL2 __SYS__MPAMVPMx_EL2(1)
531 #define SYS_MPAMVPM2_EL2 __SYS__MPAMVPMx_EL2(2)
532 #define SYS_MPAMVPM3_EL2 __SYS__MPAMVPMx_EL2(3)
533 #define SYS_MPAMVPM4_EL2 __SYS__MPAMVPMx_EL2(4)
534 #define SYS_MPAMVPM5_EL2 __SYS__MPAMVPMx_EL2(5)
535 #define SYS_MPAMVPM6_EL2 __SYS__MPAMVPMx_EL2(6)
536 #define SYS_MPAMVPM7_EL2 __SYS__MPAMVPMx_EL2(7)
537
538 #define SYS_VBAR_EL2 sys_reg(3, 4, 12, 0, 0)
539 #define SYS_RVBAR_EL2 sys_reg(3, 4, 12, 0, 1)
540 #define SYS_RMR_EL2 sys_reg(3, 4, 12, 0, 2)
541 #define SYS_VDISR_EL2 sys_reg(3, 4, 12, 1, 1)
542 #define __SYS__AP0Rx_EL2(x) sys_reg(3, 4, 12, 8, x)
543 #define SYS_ICH_AP0R0_EL2 __SYS__AP0Rx_EL2(0)
544 #define SYS_ICH_AP0R1_EL2 __SYS__AP0Rx_EL2(1)
545 #define SYS_ICH_AP0R2_EL2 __SYS__AP0Rx_EL2(2)
546 #define SYS_ICH_AP0R3_EL2 __SYS__AP0Rx_EL2(3)
547
548 #define __SYS__AP1Rx_EL2(x) sys_reg(3, 4, 12, 9, x)
549 #define SYS_ICH_AP1R0_EL2 __SYS__AP1Rx_EL2(0)
550 #define SYS_ICH_AP1R1_EL2 __SYS__AP1Rx_EL2(1)
551 #define SYS_ICH_AP1R2_EL2 __SYS__AP1Rx_EL2(2)
552 #define SYS_ICH_AP1R3_EL2 __SYS__AP1Rx_EL2(3)
553
554 #define SYS_ICH_VSEIR_EL2 sys_reg(3, 4, 12, 9, 4)
555 #define SYS_ICC_SRE_EL2 sys_reg(3, 4, 12, 9, 5)
556 #define SYS_ICH_HCR_EL2 sys_reg(3, 4, 12, 11, 0)
557 #define SYS_ICH_VTR_EL2 sys_reg(3, 4, 12, 11, 1)
558 #define SYS_ICH_MISR_EL2 sys_reg(3, 4, 12, 11, 2)
559 #define SYS_ICH_EISR_EL2 sys_reg(3, 4, 12, 11, 3)
560 #define SYS_ICH_ELRSR_EL2 sys_reg(3, 4, 12, 11, 5)
561 #define SYS_ICH_VMCR_EL2 sys_reg(3, 4, 12, 11, 7)
562
563 #define __SYS__LR0_EL2(x) sys_reg(3, 4, 12, 12, x)
564 #define SYS_ICH_LR0_EL2 __SYS__LR0_EL2(0)
565 #define SYS_ICH_LR1_EL2 __SYS__LR0_EL2(1)
566 #define SYS_ICH_LR2_EL2 __SYS__LR0_EL2(2)
567 #define SYS_ICH_LR3_EL2 __SYS__LR0_EL2(3)
568 #define SYS_ICH_LR4_EL2 __SYS__LR0_EL2(4)
569 #define SYS_ICH_LR5_EL2 __SYS__LR0_EL2(5)
570 #define SYS_ICH_LR6_EL2 __SYS__LR0_EL2(6)
571 #define SYS_ICH_LR7_EL2 __SYS__LR0_EL2(7)
572
573 #define __SYS__LR8_EL2(x) sys_reg(3, 4, 12, 13, x)
574 #define SYS_ICH_LR8_EL2 __SYS__LR8_EL2(0)
575 #define SYS_ICH_LR9_EL2 __SYS__LR8_EL2(1)
576 #define SYS_ICH_LR10_EL2 __SYS__LR8_EL2(2)
577 #define SYS_ICH_LR11_EL2 __SYS__LR8_EL2(3)
578 #define SYS_ICH_LR12_EL2 __SYS__LR8_EL2(4)
579 #define SYS_ICH_LR13_EL2 __SYS__LR8_EL2(5)
580 #define SYS_ICH_LR14_EL2 __SYS__LR8_EL2(6)
581 #define SYS_ICH_LR15_EL2 __SYS__LR8_EL2(7)
582
583 #define SYS_CONTEXTIDR_EL2 sys_reg(3, 4, 13, 0, 1)
584 #define SYS_TPIDR_EL2 sys_reg(3, 4, 13, 0, 2)
585 #define SYS_SCXTNUM_EL2 sys_reg(3, 4, 13, 0, 7)
586
587 #define __AMEV_op2(m) (m & 0x7)
588 #define __AMEV_CRm(n, m) (n | ((m & 0x8) >> 3))
589 #define __SYS__AMEVCNTVOFF0n_EL2(m) sys_reg(3, 4, 13, __AMEV_CRm(0x8, m), __AMEV_op2(m))
590 #define SYS_AMEVCNTVOFF0n_EL2(m) __SYS__AMEVCNTVOFF0n_EL2(m)
591 #define __SYS__AMEVCNTVOFF1n_EL2(m) sys_reg(3, 4, 13, __AMEV_CRm(0xA, m), __AMEV_op2(m))
592 #define SYS_AMEVCNTVOFF1n_EL2(m) __SYS__AMEVCNTVOFF1n_EL2(m)
593
594 #define SYS_CNTVOFF_EL2 sys_reg(3, 4, 14, 0, 3)
595 #define SYS_CNTHCTL_EL2 sys_reg(3, 4, 14, 1, 0)
596 #define SYS_CNTHP_TVAL_EL2 sys_reg(3, 4, 14, 2, 0)
597 #define SYS_CNTHP_CTL_EL2 sys_reg(3, 4, 14, 2, 1)
598 #define SYS_CNTHP_CVAL_EL2 sys_reg(3, 4, 14, 2, 2)
599 #define SYS_CNTHV_TVAL_EL2 sys_reg(3, 4, 14, 3, 0)
600 #define SYS_CNTHV_CTL_EL2 sys_reg(3, 4, 14, 3, 1)
601 #define SYS_CNTHV_CVAL_EL2 sys_reg(3, 4, 14, 3, 2)
602
603 /* VHE encodings for architectural EL0/1 system registers */
604 #define SYS_BRBCR_EL12 sys_reg(2, 5, 9, 0, 0)
605 #define SYS_SCTLR_EL12 sys_reg(3, 5, 1, 0, 0)
606 #define SYS_CPACR_EL12 sys_reg(3, 5, 1, 0, 2)
607 #define SYS_SCTLR2_EL12 sys_reg(3, 5, 1, 0, 3)
608 #define SYS_ZCR_EL12 sys_reg(3, 5, 1, 2, 0)
609 #define SYS_TRFCR_EL12 sys_reg(3, 5, 1, 2, 1)
610 #define SYS_SMCR_EL12 sys_reg(3, 5, 1, 2, 6)
611 #define SYS_TTBR0_EL12 sys_reg(3, 5, 2, 0, 0)
612 #define SYS_TTBR1_EL12 sys_reg(3, 5, 2, 0, 1)
613 #define SYS_TCR_EL12 sys_reg(3, 5, 2, 0, 2)
614 #define SYS_TCR2_EL12 sys_reg(3, 5, 2, 0, 3)
615 #define SYS_SPSR_EL12 sys_reg(3, 5, 4, 0, 0)
616 #define SYS_ELR_EL12 sys_reg(3, 5, 4, 0, 1)
617 #define SYS_AFSR0_EL12 sys_reg(3, 5, 5, 1, 0)
618 #define SYS_AFSR1_EL12 sys_reg(3, 5, 5, 1, 1)
619 #define SYS_ESR_EL12 sys_reg(3, 5, 5, 2, 0)
620 #define SYS_TFSR_EL12 sys_reg(3, 5, 5, 6, 0)
621 #define SYS_FAR_EL12 sys_reg(3, 5, 6, 0, 0)
622 #define SYS_PMSCR_EL12 sys_reg(3, 5, 9, 9, 0)
623 #define SYS_MAIR_EL12 sys_reg(3, 5, 10, 2, 0)
624 #define SYS_AMAIR_EL12 sys_reg(3, 5, 10, 3, 0)
625 #define SYS_VBAR_EL12 sys_reg(3, 5, 12, 0, 0)
626 #define SYS_CONTEXTIDR_EL12 sys_reg(3, 5, 13, 0, 1)
627 #define SYS_SCXTNUM_EL12 sys_reg(3, 5, 13, 0, 7)
628 #define SYS_CNTKCTL_EL12 sys_reg(3, 5, 14, 1, 0)
629 #define SYS_CNTP_TVAL_EL02 sys_reg(3, 5, 14, 2, 0)
630 #define SYS_CNTP_CTL_EL02 sys_reg(3, 5, 14, 2, 1)
631 #define SYS_CNTP_CVAL_EL02 sys_reg(3, 5, 14, 2, 2)
632 #define SYS_CNTV_TVAL_EL02 sys_reg(3, 5, 14, 3, 0)
633 #define SYS_CNTV_CTL_EL02 sys_reg(3, 5, 14, 3, 1)
634 #define SYS_CNTV_CVAL_EL02 sys_reg(3, 5, 14, 3, 2)
635
636 #define SYS_SP_EL2 sys_reg(3, 6, 4, 1, 0)
637
638 /* AT instructions */
639 #define AT_Op0 1
640 #define AT_CRn 7
641
642 #define OP_AT_S1E1R sys_insn(AT_Op0, 0, AT_CRn, 8, 0)
643 #define OP_AT_S1E1W sys_insn(AT_Op0, 0, AT_CRn, 8, 1)
644 #define OP_AT_S1E0R sys_insn(AT_Op0, 0, AT_CRn, 8, 2)
645 #define OP_AT_S1E0W sys_insn(AT_Op0, 0, AT_CRn, 8, 3)
646 #define OP_AT_S1E1RP sys_insn(AT_Op0, 0, AT_CRn, 9, 0)
647 #define OP_AT_S1E1WP sys_insn(AT_Op0, 0, AT_CRn, 9, 1)
648 #define OP_AT_S1E1A sys_insn(AT_Op0, 0, AT_CRn, 9, 2)
649 #define OP_AT_S1E2R sys_insn(AT_Op0, 4, AT_CRn, 8, 0)
650 #define OP_AT_S1E2W sys_insn(AT_Op0, 4, AT_CRn, 8, 1)
651 #define OP_AT_S12E1R sys_insn(AT_Op0, 4, AT_CRn, 8, 4)
652 #define OP_AT_S12E1W sys_insn(AT_Op0, 4, AT_CRn, 8, 5)
653 #define OP_AT_S12E0R sys_insn(AT_Op0, 4, AT_CRn, 8, 6)
654 #define OP_AT_S12E0W sys_insn(AT_Op0, 4, AT_CRn, 8, 7)
655
656 /* TLBI instructions */
657 #define TLBI_Op0 1
658
659 #define TLBI_Op1_EL1 0 /* Accessible from EL1 or higher */
660 #define TLBI_Op1_EL2 4 /* Accessible from EL2 or higher */
661
662 #define TLBI_CRn_XS 8 /* Extra Slow (the common one) */
663 #define TLBI_CRn_nXS 9 /* not Extra Slow (which nobody uses)*/
664
665 #define TLBI_CRm_IPAIS 0 /* S2 Inner-Shareable */
666 #define TLBI_CRm_nROS 1 /* non-Range, Outer-Sharable */
667 #define TLBI_CRm_RIS 2 /* Range, Inner-Sharable */
668 #define TLBI_CRm_nRIS 3 /* non-Range, Inner-Sharable */
669 #define TLBI_CRm_IPAONS 4 /* S2 Outer and Non-Shareable */
670 #define TLBI_CRm_ROS 5 /* Range, Outer-Sharable */
671 #define TLBI_CRm_RNS 6 /* Range, Non-Sharable */
672 #define TLBI_CRm_nRNS 7 /* non-Range, Non-Sharable */
673
674 #define OP_TLBI_VMALLE1OS sys_insn(1, 0, 8, 1, 0)
675 #define OP_TLBI_VAE1OS sys_insn(1, 0, 8, 1, 1)
676 #define OP_TLBI_ASIDE1OS sys_insn(1, 0, 8, 1, 2)
677 #define OP_TLBI_VAAE1OS sys_insn(1, 0, 8, 1, 3)
678 #define OP_TLBI_VALE1OS sys_insn(1, 0, 8, 1, 5)
679 #define OP_TLBI_VAALE1OS sys_insn(1, 0, 8, 1, 7)
680 #define OP_TLBI_RVAE1IS sys_insn(1, 0, 8, 2, 1)
681 #define OP_TLBI_RVAAE1IS sys_insn(1, 0, 8, 2, 3)
682 #define OP_TLBI_RVALE1IS sys_insn(1, 0, 8, 2, 5)
683 #define OP_TLBI_RVAALE1IS sys_insn(1, 0, 8, 2, 7)
684 #define OP_TLBI_VMALLE1IS sys_insn(1, 0, 8, 3, 0)
685 #define OP_TLBI_VAE1IS sys_insn(1, 0, 8, 3, 1)
686 #define OP_TLBI_ASIDE1IS sys_insn(1, 0, 8, 3, 2)
687 #define OP_TLBI_VAAE1IS sys_insn(1, 0, 8, 3, 3)
688 #define OP_TLBI_VALE1IS sys_insn(1, 0, 8, 3, 5)
689 #define OP_TLBI_VAALE1IS sys_insn(1, 0, 8, 3, 7)
690 #define OP_TLBI_RVAE1OS sys_insn(1, 0, 8, 5, 1)
691 #define OP_TLBI_RVAAE1OS sys_insn(1, 0, 8, 5, 3)
692 #define OP_TLBI_RVALE1OS sys_insn(1, 0, 8, 5, 5)
693 #define OP_TLBI_RVAALE1OS sys_insn(1, 0, 8, 5, 7)
694 #define OP_TLBI_RVAE1 sys_insn(1, 0, 8, 6, 1)
695 #define OP_TLBI_RVAAE1 sys_insn(1, 0, 8, 6, 3)
696 #define OP_TLBI_RVALE1 sys_insn(1, 0, 8, 6, 5)
697 #define OP_TLBI_RVAALE1 sys_insn(1, 0, 8, 6, 7)
698 #define OP_TLBI_VMALLE1 sys_insn(1, 0, 8, 7, 0)
699 #define OP_TLBI_VAE1 sys_insn(1, 0, 8, 7, 1)
700 #define OP_TLBI_ASIDE1 sys_insn(1, 0, 8, 7, 2)
701 #define OP_TLBI_VAAE1 sys_insn(1, 0, 8, 7, 3)
702 #define OP_TLBI_VALE1 sys_insn(1, 0, 8, 7, 5)
703 #define OP_TLBI_VAALE1 sys_insn(1, 0, 8, 7, 7)
704 #define OP_TLBI_VMALLE1OSNXS sys_insn(1, 0, 9, 1, 0)
705 #define OP_TLBI_VAE1OSNXS sys_insn(1, 0, 9, 1, 1)
706 #define OP_TLBI_ASIDE1OSNXS sys_insn(1, 0, 9, 1, 2)
707 #define OP_TLBI_VAAE1OSNXS sys_insn(1, 0, 9, 1, 3)
708 #define OP_TLBI_VALE1OSNXS sys_insn(1, 0, 9, 1, 5)
709 #define OP_TLBI_VAALE1OSNXS sys_insn(1, 0, 9, 1, 7)
710 #define OP_TLBI_RVAE1ISNXS sys_insn(1, 0, 9, 2, 1)
711 #define OP_TLBI_RVAAE1ISNXS sys_insn(1, 0, 9, 2, 3)
712 #define OP_TLBI_RVALE1ISNXS sys_insn(1, 0, 9, 2, 5)
713 #define OP_TLBI_RVAALE1ISNXS sys_insn(1, 0, 9, 2, 7)
714 #define OP_TLBI_VMALLE1ISNXS sys_insn(1, 0, 9, 3, 0)
715 #define OP_TLBI_VAE1ISNXS sys_insn(1, 0, 9, 3, 1)
716 #define OP_TLBI_ASIDE1ISNXS sys_insn(1, 0, 9, 3, 2)
717 #define OP_TLBI_VAAE1ISNXS sys_insn(1, 0, 9, 3, 3)
718 #define OP_TLBI_VALE1ISNXS sys_insn(1, 0, 9, 3, 5)
719 #define OP_TLBI_VAALE1ISNXS sys_insn(1, 0, 9, 3, 7)
720 #define OP_TLBI_RVAE1OSNXS sys_insn(1, 0, 9, 5, 1)
721 #define OP_TLBI_RVAAE1OSNXS sys_insn(1, 0, 9, 5, 3)
722 #define OP_TLBI_RVALE1OSNXS sys_insn(1, 0, 9, 5, 5)
723 #define OP_TLBI_RVAALE1OSNXS sys_insn(1, 0, 9, 5, 7)
724 #define OP_TLBI_RVAE1NXS sys_insn(1, 0, 9, 6, 1)
725 #define OP_TLBI_RVAAE1NXS sys_insn(1, 0, 9, 6, 3)
726 #define OP_TLBI_RVALE1NXS sys_insn(1, 0, 9, 6, 5)
727 #define OP_TLBI_RVAALE1NXS sys_insn(1, 0, 9, 6, 7)
728 #define OP_TLBI_VMALLE1NXS sys_insn(1, 0, 9, 7, 0)
729 #define OP_TLBI_VAE1NXS sys_insn(1, 0, 9, 7, 1)
730 #define OP_TLBI_ASIDE1NXS sys_insn(1, 0, 9, 7, 2)
731 #define OP_TLBI_VAAE1NXS sys_insn(1, 0, 9, 7, 3)
732 #define OP_TLBI_VALE1NXS sys_insn(1, 0, 9, 7, 5)
733 #define OP_TLBI_VAALE1NXS sys_insn(1, 0, 9, 7, 7)
734 #define OP_TLBI_IPAS2E1IS sys_insn(1, 4, 8, 0, 1)
735 #define OP_TLBI_RIPAS2E1IS sys_insn(1, 4, 8, 0, 2)
736 #define OP_TLBI_IPAS2LE1IS sys_insn(1, 4, 8, 0, 5)
737 #define OP_TLBI_RIPAS2LE1IS sys_insn(1, 4, 8, 0, 6)
738 #define OP_TLBI_ALLE2OS sys_insn(1, 4, 8, 1, 0)
739 #define OP_TLBI_VAE2OS sys_insn(1, 4, 8, 1, 1)
740 #define OP_TLBI_ALLE1OS sys_insn(1, 4, 8, 1, 4)
741 #define OP_TLBI_VALE2OS sys_insn(1, 4, 8, 1, 5)
742 #define OP_TLBI_VMALLS12E1OS sys_insn(1, 4, 8, 1, 6)
743 #define OP_TLBI_RVAE2IS sys_insn(1, 4, 8, 2, 1)
744 #define OP_TLBI_RVALE2IS sys_insn(1, 4, 8, 2, 5)
745 #define OP_TLBI_ALLE2IS sys_insn(1, 4, 8, 3, 0)
746 #define OP_TLBI_VAE2IS sys_insn(1, 4, 8, 3, 1)
747 #define OP_TLBI_ALLE1IS sys_insn(1, 4, 8, 3, 4)
748 #define OP_TLBI_VALE2IS sys_insn(1, 4, 8, 3, 5)
749 #define OP_TLBI_VMALLS12E1IS sys_insn(1, 4, 8, 3, 6)
750 #define OP_TLBI_IPAS2E1OS sys_insn(1, 4, 8, 4, 0)
751 #define OP_TLBI_IPAS2E1 sys_insn(1, 4, 8, 4, 1)
752 #define OP_TLBI_RIPAS2E1 sys_insn(1, 4, 8, 4, 2)
753 #define OP_TLBI_RIPAS2E1OS sys_insn(1, 4, 8, 4, 3)
754 #define OP_TLBI_IPAS2LE1OS sys_insn(1, 4, 8, 4, 4)
755 #define OP_TLBI_IPAS2LE1 sys_insn(1, 4, 8, 4, 5)
756 #define OP_TLBI_RIPAS2LE1 sys_insn(1, 4, 8, 4, 6)
757 #define OP_TLBI_RIPAS2LE1OS sys_insn(1, 4, 8, 4, 7)
758 #define OP_TLBI_RVAE2OS sys_insn(1, 4, 8, 5, 1)
759 #define OP_TLBI_RVALE2OS sys_insn(1, 4, 8, 5, 5)
760 #define OP_TLBI_RVAE2 sys_insn(1, 4, 8, 6, 1)
761 #define OP_TLBI_RVALE2 sys_insn(1, 4, 8, 6, 5)
762 #define OP_TLBI_ALLE2 sys_insn(1, 4, 8, 7, 0)
763 #define OP_TLBI_VAE2 sys_insn(1, 4, 8, 7, 1)
764 #define OP_TLBI_ALLE1 sys_insn(1, 4, 8, 7, 4)
765 #define OP_TLBI_VALE2 sys_insn(1, 4, 8, 7, 5)
766 #define OP_TLBI_VMALLS12E1 sys_insn(1, 4, 8, 7, 6)
767 #define OP_TLBI_IPAS2E1ISNXS sys_insn(1, 4, 9, 0, 1)
768 #define OP_TLBI_RIPAS2E1ISNXS sys_insn(1, 4, 9, 0, 2)
769 #define OP_TLBI_IPAS2LE1ISNXS sys_insn(1, 4, 9, 0, 5)
770 #define OP_TLBI_RIPAS2LE1ISNXS sys_insn(1, 4, 9, 0, 6)
771 #define OP_TLBI_ALLE2OSNXS sys_insn(1, 4, 9, 1, 0)
772 #define OP_TLBI_VAE2OSNXS sys_insn(1, 4, 9, 1, 1)
773 #define OP_TLBI_ALLE1OSNXS sys_insn(1, 4, 9, 1, 4)
774 #define OP_TLBI_VALE2OSNXS sys_insn(1, 4, 9, 1, 5)
775 #define OP_TLBI_VMALLS12E1OSNXS sys_insn(1, 4, 9, 1, 6)
776 #define OP_TLBI_RVAE2ISNXS sys_insn(1, 4, 9, 2, 1)
777 #define OP_TLBI_RVALE2ISNXS sys_insn(1, 4, 9, 2, 5)
778 #define OP_TLBI_ALLE2ISNXS sys_insn(1, 4, 9, 3, 0)
779 #define OP_TLBI_VAE2ISNXS sys_insn(1, 4, 9, 3, 1)
780 #define OP_TLBI_ALLE1ISNXS sys_insn(1, 4, 9, 3, 4)
781 #define OP_TLBI_VALE2ISNXS sys_insn(1, 4, 9, 3, 5)
782 #define OP_TLBI_VMALLS12E1ISNXS sys_insn(1, 4, 9, 3, 6)
783 #define OP_TLBI_IPAS2E1OSNXS sys_insn(1, 4, 9, 4, 0)
784 #define OP_TLBI_IPAS2E1NXS sys_insn(1, 4, 9, 4, 1)
785 #define OP_TLBI_RIPAS2E1NXS sys_insn(1, 4, 9, 4, 2)
786 #define OP_TLBI_RIPAS2E1OSNXS sys_insn(1, 4, 9, 4, 3)
787 #define OP_TLBI_IPAS2LE1OSNXS sys_insn(1, 4, 9, 4, 4)
788 #define OP_TLBI_IPAS2LE1NXS sys_insn(1, 4, 9, 4, 5)
789 #define OP_TLBI_RIPAS2LE1NXS sys_insn(1, 4, 9, 4, 6)
790 #define OP_TLBI_RIPAS2LE1OSNXS sys_insn(1, 4, 9, 4, 7)
791 #define OP_TLBI_RVAE2OSNXS sys_insn(1, 4, 9, 5, 1)
792 #define OP_TLBI_RVALE2OSNXS sys_insn(1, 4, 9, 5, 5)
793 #define OP_TLBI_RVAE2NXS sys_insn(1, 4, 9, 6, 1)
794 #define OP_TLBI_RVALE2NXS sys_insn(1, 4, 9, 6, 5)
795 #define OP_TLBI_ALLE2NXS sys_insn(1, 4, 9, 7, 0)
796 #define OP_TLBI_VAE2NXS sys_insn(1, 4, 9, 7, 1)
797 #define OP_TLBI_ALLE1NXS sys_insn(1, 4, 9, 7, 4)
798 #define OP_TLBI_VALE2NXS sys_insn(1, 4, 9, 7, 5)
799 #define OP_TLBI_VMALLS12E1NXS sys_insn(1, 4, 9, 7, 6)
800
801 /* Misc instructions */
802 #define OP_GCSPUSHX sys_insn(1, 0, 7, 7, 4)
803 #define OP_GCSPOPCX sys_insn(1, 0, 7, 7, 5)
804 #define OP_GCSPOPX sys_insn(1, 0, 7, 7, 6)
805 #define OP_GCSPUSHM sys_insn(1, 3, 7, 7, 0)
806
807 #define OP_BRB_IALL sys_insn(1, 1, 7, 2, 4)
808 #define OP_BRB_INJ sys_insn(1, 1, 7, 2, 5)
809 #define OP_CFP_RCTX sys_insn(1, 3, 7, 3, 4)
810 #define OP_DVP_RCTX sys_insn(1, 3, 7, 3, 5)
811 #define OP_COSP_RCTX sys_insn(1, 3, 7, 3, 6)
812 #define OP_CPP_RCTX sys_insn(1, 3, 7, 3, 7)
813
814 /* Common SCTLR_ELx flags. */
815 #define SCTLR_ELx_ENTP2 (BIT(60))
816 #define SCTLR_ELx_DSSBS (BIT(44))
817 #define SCTLR_ELx_ATA (BIT(43))
818
819 #define SCTLR_ELx_EE_SHIFT 25
820 #define SCTLR_ELx_ENIA_SHIFT 31
821
822 #define SCTLR_ELx_ITFSB (BIT(37))
823 #define SCTLR_ELx_ENIA (BIT(SCTLR_ELx_ENIA_SHIFT))
824 #define SCTLR_ELx_ENIB (BIT(30))
825 #define SCTLR_ELx_LSMAOE (BIT(29))
826 #define SCTLR_ELx_nTLSMD (BIT(28))
827 #define SCTLR_ELx_ENDA (BIT(27))
828 #define SCTLR_ELx_EE (BIT(SCTLR_ELx_EE_SHIFT))
829 #define SCTLR_ELx_EIS (BIT(22))
830 #define SCTLR_ELx_IESB (BIT(21))
831 #define SCTLR_ELx_TSCXT (BIT(20))
832 #define SCTLR_ELx_WXN (BIT(19))
833 #define SCTLR_ELx_ENDB (BIT(13))
834 #define SCTLR_ELx_I (BIT(12))
835 #define SCTLR_ELx_EOS (BIT(11))
836 #define SCTLR_ELx_SA (BIT(3))
837 #define SCTLR_ELx_C (BIT(2))
838 #define SCTLR_ELx_A (BIT(1))
839 #define SCTLR_ELx_M (BIT(0))
840
841 /* SCTLR_EL2 specific flags. */
842 #define SCTLR_EL2_RES1 ((BIT(4)) | (BIT(5)) | (BIT(11)) | (BIT(16)) | \
843 (BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \
844 (BIT(29)))
845
846 #define SCTLR_EL2_BT (BIT(36))
847 #ifdef CONFIG_CPU_BIG_ENDIAN
848 #define ENDIAN_SET_EL2 SCTLR_ELx_EE
849 #else
850 #define ENDIAN_SET_EL2 0
851 #endif
852
853 #define INIT_SCTLR_EL2_MMU_ON \
854 (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA | SCTLR_ELx_I | \
855 SCTLR_ELx_IESB | SCTLR_ELx_WXN | ENDIAN_SET_EL2 | \
856 SCTLR_ELx_ITFSB | SCTLR_EL2_RES1)
857
858 #define INIT_SCTLR_EL2_MMU_OFF \
859 (SCTLR_EL2_RES1 | ENDIAN_SET_EL2)
860
861 /* SCTLR_EL1 specific flags. */
862 #ifdef CONFIG_CPU_BIG_ENDIAN
863 #define ENDIAN_SET_EL1 (SCTLR_EL1_E0E | SCTLR_ELx_EE)
864 #else
865 #define ENDIAN_SET_EL1 0
866 #endif
867
868 #define INIT_SCTLR_EL1_MMU_OFF \
869 (ENDIAN_SET_EL1 | SCTLR_EL1_LSMAOE | SCTLR_EL1_nTLSMD | \
870 SCTLR_EL1_EIS | SCTLR_EL1_TSCXT | SCTLR_EL1_EOS)
871
872 #define INIT_SCTLR_EL1_MMU_ON \
873 (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA | \
874 SCTLR_EL1_SA0 | SCTLR_EL1_SED | SCTLR_ELx_I | \
875 SCTLR_EL1_DZE | SCTLR_EL1_UCT | SCTLR_EL1_nTWE | \
876 SCTLR_ELx_IESB | SCTLR_EL1_SPAN | SCTLR_ELx_ITFSB | \
877 ENDIAN_SET_EL1 | SCTLR_EL1_UCI | SCTLR_EL1_EPAN | \
878 SCTLR_EL1_LSMAOE | SCTLR_EL1_nTLSMD | SCTLR_EL1_EIS | \
879 SCTLR_EL1_TSCXT | SCTLR_EL1_EOS)
880
881 /* MAIR_ELx memory attributes (used by Linux) */
882 #define MAIR_ATTR_DEVICE_nGnRnE UL(0x00)
883 #define MAIR_ATTR_DEVICE_nGnRE UL(0x04)
884 #define MAIR_ATTR_NORMAL_NC UL(0x44)
885 #define MAIR_ATTR_NORMAL_TAGGED UL(0xf0)
886 #define MAIR_ATTR_NORMAL UL(0xff)
887 #define MAIR_ATTR_MASK UL(0xff)
888
889 /* Position the attr at the correct index */
890 #define MAIR_ATTRIDX(attr, idx) ((attr) << ((idx) * 8))
891
892 /* id_aa64mmfr0 */
893 #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN 0x0
894 #define ID_AA64MMFR0_EL1_TGRAN4_LPA2 ID_AA64MMFR0_EL1_TGRAN4_52_BIT
895 #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MAX 0x7
896 #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MIN 0x0
897 #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MAX 0x7
898 #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MIN 0x1
899 #define ID_AA64MMFR0_EL1_TGRAN16_LPA2 ID_AA64MMFR0_EL1_TGRAN16_52_BIT
900 #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MAX 0xf
901
902 #define ARM64_MIN_PARANGE_BITS 32
903
904 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_DEFAULT 0x0
905 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_NONE 0x1
906 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_MIN 0x2
907 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_LPA2 0x3
908 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_MAX 0x7
909
910 #ifdef CONFIG_ARM64_PA_BITS_52
911 #define ID_AA64MMFR0_EL1_PARANGE_MAX ID_AA64MMFR0_EL1_PARANGE_52
912 #else
913 #define ID_AA64MMFR0_EL1_PARANGE_MAX ID_AA64MMFR0_EL1_PARANGE_48
914 #endif
915
916 #if defined(CONFIG_ARM64_4K_PAGES)
917 #define ID_AA64MMFR0_EL1_TGRAN_SHIFT ID_AA64MMFR0_EL1_TGRAN4_SHIFT
918 #define ID_AA64MMFR0_EL1_TGRAN_LPA2 ID_AA64MMFR0_EL1_TGRAN4_52_BIT
919 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN
920 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MAX
921 #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT ID_AA64MMFR0_EL1_TGRAN4_2_SHIFT
922 #elif defined(CONFIG_ARM64_16K_PAGES)
923 #define ID_AA64MMFR0_EL1_TGRAN_SHIFT ID_AA64MMFR0_EL1_TGRAN16_SHIFT
924 #define ID_AA64MMFR0_EL1_TGRAN_LPA2 ID_AA64MMFR0_EL1_TGRAN16_52_BIT
925 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MIN
926 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MAX
927 #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT ID_AA64MMFR0_EL1_TGRAN16_2_SHIFT
928 #elif defined(CONFIG_ARM64_64K_PAGES)
929 #define ID_AA64MMFR0_EL1_TGRAN_SHIFT ID_AA64MMFR0_EL1_TGRAN64_SHIFT
930 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MIN
931 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MAX
932 #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT ID_AA64MMFR0_EL1_TGRAN64_2_SHIFT
933 #endif
934
935 #define CPACR_EL1_FPEN_EL1EN (BIT(20)) /* enable EL1 access */
936 #define CPACR_EL1_FPEN_EL0EN (BIT(21)) /* enable EL0 access, if EL1EN set */
937
938 #define CPACR_EL1_SMEN_EL1EN (BIT(24)) /* enable EL1 access */
939 #define CPACR_EL1_SMEN_EL0EN (BIT(25)) /* enable EL0 access, if EL1EN set */
940
941 #define CPACR_EL1_ZEN_EL1EN (BIT(16)) /* enable EL1 access */
942 #define CPACR_EL1_ZEN_EL0EN (BIT(17)) /* enable EL0 access, if EL1EN set */
943
944 /* GCR_EL1 Definitions */
945 #define SYS_GCR_EL1_RRND (BIT(16))
946 #define SYS_GCR_EL1_EXCL_MASK 0xffffUL
947
948 #ifdef CONFIG_KASAN_HW_TAGS
949 /*
950 * KASAN always uses a whole byte for its tags. With CONFIG_KASAN_HW_TAGS it
951 * only uses tags in the range 0xF0-0xFF, which we map to MTE tags 0x0-0xF.
952 */
953 #define __MTE_TAG_MIN (KASAN_TAG_MIN & 0xf)
954 #define __MTE_TAG_MAX (KASAN_TAG_MAX & 0xf)
955 #define __MTE_TAG_INCL GENMASK(__MTE_TAG_MAX, __MTE_TAG_MIN)
956 #define KERNEL_GCR_EL1_EXCL (SYS_GCR_EL1_EXCL_MASK & ~__MTE_TAG_INCL)
957 #else
958 #define KERNEL_GCR_EL1_EXCL SYS_GCR_EL1_EXCL_MASK
959 #endif
960
961 #define KERNEL_GCR_EL1 (SYS_GCR_EL1_RRND | KERNEL_GCR_EL1_EXCL)
962
963 /* RGSR_EL1 Definitions */
964 #define SYS_RGSR_EL1_TAG_MASK 0xfUL
965 #define SYS_RGSR_EL1_SEED_SHIFT 8
966 #define SYS_RGSR_EL1_SEED_MASK 0xffffUL
967
968 /* TFSR{,E0}_EL1 bit definitions */
969 #define SYS_TFSR_EL1_TF0_SHIFT 0
970 #define SYS_TFSR_EL1_TF1_SHIFT 1
971 #define SYS_TFSR_EL1_TF0 (UL(1) << SYS_TFSR_EL1_TF0_SHIFT)
972 #define SYS_TFSR_EL1_TF1 (UL(1) << SYS_TFSR_EL1_TF1_SHIFT)
973
974 /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */
975 #define SYS_MPIDR_SAFE_VAL (BIT(31))
976
977 #define TRFCR_ELx_TS_SHIFT 5
978 #define TRFCR_ELx_TS_MASK ((0x3UL) << TRFCR_ELx_TS_SHIFT)
979 #define TRFCR_ELx_TS_VIRTUAL ((0x1UL) << TRFCR_ELx_TS_SHIFT)
980 #define TRFCR_ELx_TS_GUEST_PHYSICAL ((0x2UL) << TRFCR_ELx_TS_SHIFT)
981 #define TRFCR_ELx_TS_PHYSICAL ((0x3UL) << TRFCR_ELx_TS_SHIFT)
982 #define TRFCR_EL2_CX BIT(3)
983 #define TRFCR_ELx_ExTRE BIT(1)
984 #define TRFCR_ELx_E0TRE BIT(0)
985
986 /* GIC Hypervisor interface registers */
987 /* ICH_MISR_EL2 bit definitions */
988 #define ICH_MISR_EOI (1 << 0)
989 #define ICH_MISR_U (1 << 1)
990
991 /* ICH_LR*_EL2 bit definitions */
992 #define ICH_LR_VIRTUAL_ID_MASK ((1ULL << 32) - 1)
993
994 #define ICH_LR_EOI (1ULL << 41)
995 #define ICH_LR_GROUP (1ULL << 60)
996 #define ICH_LR_HW (1ULL << 61)
997 #define ICH_LR_STATE (3ULL << 62)
998 #define ICH_LR_PENDING_BIT (1ULL << 62)
999 #define ICH_LR_ACTIVE_BIT (1ULL << 63)
1000 #define ICH_LR_PHYS_ID_SHIFT 32
1001 #define ICH_LR_PHYS_ID_MASK (0x3ffULL << ICH_LR_PHYS_ID_SHIFT)
1002 #define ICH_LR_PRIORITY_SHIFT 48
1003 #define ICH_LR_PRIORITY_MASK (0xffULL << ICH_LR_PRIORITY_SHIFT)
1004
1005 /* ICH_HCR_EL2 bit definitions */
1006 #define ICH_HCR_EN (1 << 0)
1007 #define ICH_HCR_UIE (1 << 1)
1008 #define ICH_HCR_NPIE (1 << 3)
1009 #define ICH_HCR_TC (1 << 10)
1010 #define ICH_HCR_TALL0 (1 << 11)
1011 #define ICH_HCR_TALL1 (1 << 12)
1012 #define ICH_HCR_TDIR (1 << 14)
1013 #define ICH_HCR_EOIcount_SHIFT 27
1014 #define ICH_HCR_EOIcount_MASK (0x1f << ICH_HCR_EOIcount_SHIFT)
1015
1016 /* ICH_VMCR_EL2 bit definitions */
1017 #define ICH_VMCR_ACK_CTL_SHIFT 2
1018 #define ICH_VMCR_ACK_CTL_MASK (1 << ICH_VMCR_ACK_CTL_SHIFT)
1019 #define ICH_VMCR_FIQ_EN_SHIFT 3
1020 #define ICH_VMCR_FIQ_EN_MASK (1 << ICH_VMCR_FIQ_EN_SHIFT)
1021 #define ICH_VMCR_CBPR_SHIFT 4
1022 #define ICH_VMCR_CBPR_MASK (1 << ICH_VMCR_CBPR_SHIFT)
1023 #define ICH_VMCR_EOIM_SHIFT 9
1024 #define ICH_VMCR_EOIM_MASK (1 << ICH_VMCR_EOIM_SHIFT)
1025 #define ICH_VMCR_BPR1_SHIFT 18
1026 #define ICH_VMCR_BPR1_MASK (7 << ICH_VMCR_BPR1_SHIFT)
1027 #define ICH_VMCR_BPR0_SHIFT 21
1028 #define ICH_VMCR_BPR0_MASK (7 << ICH_VMCR_BPR0_SHIFT)
1029 #define ICH_VMCR_PMR_SHIFT 24
1030 #define ICH_VMCR_PMR_MASK (0xffUL << ICH_VMCR_PMR_SHIFT)
1031 #define ICH_VMCR_ENG0_SHIFT 0
1032 #define ICH_VMCR_ENG0_MASK (1 << ICH_VMCR_ENG0_SHIFT)
1033 #define ICH_VMCR_ENG1_SHIFT 1
1034 #define ICH_VMCR_ENG1_MASK (1 << ICH_VMCR_ENG1_SHIFT)
1035
1036 /* ICH_VTR_EL2 bit definitions */
1037 #define ICH_VTR_PRI_BITS_SHIFT 29
1038 #define ICH_VTR_PRI_BITS_MASK (7 << ICH_VTR_PRI_BITS_SHIFT)
1039 #define ICH_VTR_ID_BITS_SHIFT 23
1040 #define ICH_VTR_ID_BITS_MASK (7 << ICH_VTR_ID_BITS_SHIFT)
1041 #define ICH_VTR_SEIS_SHIFT 22
1042 #define ICH_VTR_SEIS_MASK (1 << ICH_VTR_SEIS_SHIFT)
1043 #define ICH_VTR_A3V_SHIFT 21
1044 #define ICH_VTR_A3V_MASK (1 << ICH_VTR_A3V_SHIFT)
1045 #define ICH_VTR_TDS_SHIFT 19
1046 #define ICH_VTR_TDS_MASK (1 << ICH_VTR_TDS_SHIFT)
1047
1048 /*
1049 * Permission Indirection Extension (PIE) permission encodings.
1050 * Encodings with the _O suffix, have overlays applied (Permission Overlay Extension).
1051 */
1052 #define PIE_NONE_O UL(0x0)
1053 #define PIE_R_O UL(0x1)
1054 #define PIE_X_O UL(0x2)
1055 #define PIE_RX_O UL(0x3)
1056 #define PIE_RW_O UL(0x5)
1057 #define PIE_RWnX_O UL(0x6)
1058 #define PIE_RWX_O UL(0x7)
1059 #define PIE_R UL(0x8)
1060 #define PIE_GCS UL(0x9)
1061 #define PIE_RX UL(0xa)
1062 #define PIE_RW UL(0xc)
1063 #define PIE_RWX UL(0xe)
1064
1065 #define PIRx_ELx_PERM(idx, perm) ((perm) << ((idx) * 4))
1066
1067 /*
1068 * Permission Overlay Extension (POE) permission encodings.
1069 */
1070 #define POE_NONE UL(0x0)
1071 #define POE_R UL(0x1)
1072 #define POE_X UL(0x2)
1073 #define POE_RX UL(0x3)
1074 #define POE_W UL(0x4)
1075 #define POE_RW UL(0x5)
1076 #define POE_XW UL(0x6)
1077 #define POE_RXW UL(0x7)
1078 #define POE_MASK UL(0xf)
1079
1080 #define ARM64_FEATURE_FIELD_BITS 4
1081
1082 /* Defined for compatibility only, do not add new users. */
1083 #define ARM64_FEATURE_MASK(x) (x##_MASK)
1084
1085 #ifdef __ASSEMBLY__
1086
1087 .macro mrs_s, rt, sreg
1088 __emit_inst(0xd5200000|(\sreg)|(.L__gpr_num_\rt))
1089 .endm
1090
1091 .macro msr_s, sreg, rt
1092 __emit_inst(0xd5000000|(\sreg)|(.L__gpr_num_\rt))
1093 .endm
1094
1095 #else
1096
1097 #include <linux/bitfield.h>
1098 #include <linux/build_bug.h>
1099 #include <linux/types.h>
1100 #include <asm/alternative.h>
1101
1102 #define DEFINE_MRS_S \
1103 __DEFINE_ASM_GPR_NUMS \
1104 " .macro mrs_s, rt, sreg\n" \
1105 __emit_inst(0xd5200000|(\\sreg)|(.L__gpr_num_\\rt)) \
1106 " .endm\n"
1107
1108 #define DEFINE_MSR_S \
1109 __DEFINE_ASM_GPR_NUMS \
1110 " .macro msr_s, sreg, rt\n" \
1111 __emit_inst(0xd5000000|(\\sreg)|(.L__gpr_num_\\rt)) \
1112 " .endm\n"
1113
1114 #define UNDEFINE_MRS_S \
1115 " .purgem mrs_s\n"
1116
1117 #define UNDEFINE_MSR_S \
1118 " .purgem msr_s\n"
1119
1120 #define __mrs_s(v, r) \
1121 DEFINE_MRS_S \
1122 " mrs_s " v ", " __stringify(r) "\n" \
1123 UNDEFINE_MRS_S
1124
1125 #define __msr_s(r, v) \
1126 DEFINE_MSR_S \
1127 " msr_s " __stringify(r) ", " v "\n" \
1128 UNDEFINE_MSR_S
1129
1130 /*
1131 * Unlike read_cpuid, calls to read_sysreg are never expected to be
1132 * optimized away or replaced with synthetic values.
1133 */
1134 #define read_sysreg(r) ({ \
1135 u64 __val; \
1136 asm volatile("mrs %0, " __stringify(r) : "=r" (__val)); \
1137 __val; \
1138 })
1139
1140 /*
1141 * The "Z" constraint normally means a zero immediate, but when combined with
1142 * the "%x0" template means XZR.
1143 */
1144 #define write_sysreg(v, r) do { \
1145 u64 __val = (u64)(v); \
1146 asm volatile("msr " __stringify(r) ", %x0" \
1147 : : "rZ" (__val)); \
1148 } while (0)
1149
1150 /*
1151 * For registers without architectural names, or simply unsupported by
1152 * GAS.
1153 *
1154 * __check_r forces warnings to be generated by the compiler when
1155 * evaluating r which wouldn't normally happen due to being passed to
1156 * the assembler via __stringify(r).
1157 */
1158 #define read_sysreg_s(r) ({ \
1159 u64 __val; \
1160 u32 __maybe_unused __check_r = (u32)(r); \
1161 asm volatile(__mrs_s("%0", r) : "=r" (__val)); \
1162 __val; \
1163 })
1164
1165 #define write_sysreg_s(v, r) do { \
1166 u64 __val = (u64)(v); \
1167 u32 __maybe_unused __check_r = (u32)(r); \
1168 asm volatile(__msr_s(r, "%x0") : : "rZ" (__val)); \
1169 } while (0)
1170
1171 /*
1172 * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the
1173 * set mask are set. Other bits are left as-is.
1174 */
1175 #define sysreg_clear_set(sysreg, clear, set) do { \
1176 u64 __scs_val = read_sysreg(sysreg); \
1177 u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \
1178 if (__scs_new != __scs_val) \
1179 write_sysreg(__scs_new, sysreg); \
1180 } while (0)
1181
1182 #define sysreg_clear_set_s(sysreg, clear, set) do { \
1183 u64 __scs_val = read_sysreg_s(sysreg); \
1184 u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \
1185 if (__scs_new != __scs_val) \
1186 write_sysreg_s(__scs_new, sysreg); \
1187 } while (0)
1188
1189 #define read_sysreg_par() ({ \
1190 u64 par; \
1191 asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412)); \
1192 par = read_sysreg(par_el1); \
1193 asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412)); \
1194 par; \
1195 })
1196
1197 #define SYS_FIELD_VALUE(reg, field, val) reg##_##field##_##val
1198
1199 #define SYS_FIELD_GET(reg, field, val) \
1200 FIELD_GET(reg##_##field##_MASK, val)
1201
1202 #define SYS_FIELD_PREP(reg, field, val) \
1203 FIELD_PREP(reg##_##field##_MASK, val)
1204
1205 #define SYS_FIELD_PREP_ENUM(reg, field, val) \
1206 FIELD_PREP(reg##_##field##_MASK, \
1207 SYS_FIELD_VALUE(reg, field, val))
1208
1209 #endif
1210
1211 #endif /* __ASM_SYSREG_H */
1212
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