1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Macros for accessing system registers with older binutils.
5 * Copyright (C) 2014 ARM Ltd.
6 * Author: Catalin Marinas <catalin.marinas@arm.com>
10 #define __ASM_SYSREG_H
12 #include <linux/bits.h>
13 #include <linux/stringify.h>
16 * ARMv8 ARM reserves the following encoding for system registers:
17 * (Ref: ARMv8 ARM, Section: "System instruction class encoding overview",
18 * C5.2, version:ARM DDI 0487A.f)
36 #define sys_reg(op0, op1, crn, crm, op2) \
37 (((op0) << Op0_shift) | ((op1) << Op1_shift) | \
38 ((crn) << CRn_shift) | ((crm) << CRm_shift) | \
41 #define sys_insn sys_reg
43 #define sys_reg_Op0(id) (((id) >> Op0_shift) & Op0_mask)
44 #define sys_reg_Op1(id) (((id) >> Op1_shift) & Op1_mask)
45 #define sys_reg_CRn(id) (((id) >> CRn_shift) & CRn_mask)
46 #define sys_reg_CRm(id) (((id) >> CRm_shift) & CRm_mask)
47 #define sys_reg_Op2(id) (((id) >> Op2_shift) & Op2_mask)
49 #ifndef CONFIG_BROKEN_GAS_INST
52 // The space separator is omitted so that __emit_inst(x) can be parsed as
53 // either an assembler directive or an assembler macro argument.
54 #define __emit_inst(x) .inst(x)
56 #define __emit_inst(x) ".inst " __stringify((x)) "\n\t"
59 #else /* CONFIG_BROKEN_GAS_INST */
61 #ifndef CONFIG_CPU_BIG_ENDIAN
62 #define __INSTR_BSWAP(x) (x)
63 #else /* CONFIG_CPU_BIG_ENDIAN */
64 #define __INSTR_BSWAP(x) ((((x) << 24) & 0xff000000) | \
65 (((x) << 8) & 0x00ff0000) | \
66 (((x) >> 8) & 0x0000ff00) | \
67 (((x) >> 24) & 0x000000ff))
68 #endif /* CONFIG_CPU_BIG_ENDIAN */
71 #define __emit_inst(x) .long __INSTR_BSWAP(x)
72 #else /* __ASSEMBLY__ */
73 #define __emit_inst(x) ".long " __stringify(__INSTR_BSWAP(x)) "\n\t"
74 #endif /* __ASSEMBLY__ */
76 #endif /* CONFIG_BROKEN_GAS_INST */
79 * Instructions for modifying PSTATE fields.
80 * As per Arm ARM for v8-A, Section "C.5.1.3 op0 == 0b00, architectural hints,
81 * barriers and CLREX, and PSTATE access", ARM DDI 0487 C.a, system instructions
82 * for accessing PSTATE fields have the following encoding:
84 * Op1, Op2 encodes the PSTATE field modified and defines the constraints.
85 * CRm = Imm4 for the instruction.
88 #define pstate_field(op1, op2) ((op1) << Op1_shift | (op2) << Op2_shift)
89 #define PSTATE_Imm_shift CRm_shift
91 #define PSTATE_PAN pstate_field(0, 4)
92 #define PSTATE_UAO pstate_field(0, 3)
93 #define PSTATE_SSBS pstate_field(3, 1)
95 #define SET_PSTATE_PAN(x) __emit_inst(0xd500401f | PSTATE_PAN | ((!!x) << PSTATE_Imm_shift))
96 #define SET_PSTATE_UAO(x) __emit_inst(0xd500401f | PSTATE_UAO | ((!!x) << PSTATE_Imm_shift))
97 #define SET_PSTATE_SSBS(x) __emit_inst(0xd500401f | PSTATE_SSBS | ((!!x) << PSTATE_Imm_shift))
99 #define __SYS_BARRIER_INSN(CRm, op2, Rt) \
100 __emit_inst(0xd5000000 | sys_insn(0, 3, 3, (CRm), (op2)) | ((Rt) & 0x1f))
102 #define SB_BARRIER_INSN __SYS_BARRIER_INSN(0, 7, 31)
104 #define SYS_DC_ISW sys_insn(1, 0, 7, 6, 2)
105 #define SYS_DC_CSW sys_insn(1, 0, 7, 10, 2)
106 #define SYS_DC_CISW sys_insn(1, 0, 7, 14, 2)
108 #define SYS_OSDTRRX_EL1 sys_reg(2, 0, 0, 0, 2)
109 #define SYS_MDCCINT_EL1 sys_reg(2, 0, 0, 2, 0)
110 #define SYS_MDSCR_EL1 sys_reg(2, 0, 0, 2, 2)
111 #define SYS_OSDTRTX_EL1 sys_reg(2, 0, 0, 3, 2)
112 #define SYS_OSECCR_EL1 sys_reg(2, 0, 0, 6, 2)
113 #define SYS_DBGBVRn_EL1(n) sys_reg(2, 0, 0, n, 4)
114 #define SYS_DBGBCRn_EL1(n) sys_reg(2, 0, 0, n, 5)
115 #define SYS_DBGWVRn_EL1(n) sys_reg(2, 0, 0, n, 6)
116 #define SYS_DBGWCRn_EL1(n) sys_reg(2, 0, 0, n, 7)
117 #define SYS_MDRAR_EL1 sys_reg(2, 0, 1, 0, 0)
118 #define SYS_OSLAR_EL1 sys_reg(2, 0, 1, 0, 4)
119 #define SYS_OSLSR_EL1 sys_reg(2, 0, 1, 1, 4)
120 #define SYS_OSDLR_EL1 sys_reg(2, 0, 1, 3, 4)
121 #define SYS_DBGPRCR_EL1 sys_reg(2, 0, 1, 4, 4)
122 #define SYS_DBGCLAIMSET_EL1 sys_reg(2, 0, 7, 8, 6)
123 #define SYS_DBGCLAIMCLR_EL1 sys_reg(2, 0, 7, 9, 6)
124 #define SYS_DBGAUTHSTATUS_EL1 sys_reg(2, 0, 7, 14, 6)
125 #define SYS_MDCCSR_EL0 sys_reg(2, 3, 0, 1, 0)
126 #define SYS_DBGDTR_EL0 sys_reg(2, 3, 0, 4, 0)
127 #define SYS_DBGDTRRX_EL0 sys_reg(2, 3, 0, 5, 0)
128 #define SYS_DBGDTRTX_EL0 sys_reg(2, 3, 0, 5, 0)
129 #define SYS_DBGVCR32_EL2 sys_reg(2, 4, 0, 7, 0)
131 #define SYS_MIDR_EL1 sys_reg(3, 0, 0, 0, 0)
132 #define SYS_MPIDR_EL1 sys_reg(3, 0, 0, 0, 5)
133 #define SYS_REVIDR_EL1 sys_reg(3, 0, 0, 0, 6)
135 #define SYS_ID_PFR0_EL1 sys_reg(3, 0, 0, 1, 0)
136 #define SYS_ID_PFR1_EL1 sys_reg(3, 0, 0, 1, 1)
137 #define SYS_ID_DFR0_EL1 sys_reg(3, 0, 0, 1, 2)
138 #define SYS_ID_AFR0_EL1 sys_reg(3, 0, 0, 1, 3)
139 #define SYS_ID_MMFR0_EL1 sys_reg(3, 0, 0, 1, 4)
140 #define SYS_ID_MMFR1_EL1 sys_reg(3, 0, 0, 1, 5)
141 #define SYS_ID_MMFR2_EL1 sys_reg(3, 0, 0, 1, 6)
142 #define SYS_ID_MMFR3_EL1 sys_reg(3, 0, 0, 1, 7)
144 #define SYS_ID_ISAR0_EL1 sys_reg(3, 0, 0, 2, 0)
145 #define SYS_ID_ISAR1_EL1 sys_reg(3, 0, 0, 2, 1)
146 #define SYS_ID_ISAR2_EL1 sys_reg(3, 0, 0, 2, 2)
147 #define SYS_ID_ISAR3_EL1 sys_reg(3, 0, 0, 2, 3)
148 #define SYS_ID_ISAR4_EL1 sys_reg(3, 0, 0, 2, 4)
149 #define SYS_ID_ISAR5_EL1 sys_reg(3, 0, 0, 2, 5)
150 #define SYS_ID_MMFR4_EL1 sys_reg(3, 0, 0, 2, 6)
151 #define SYS_ID_ISAR6_EL1 sys_reg(3, 0, 0, 2, 7)
153 #define SYS_MVFR0_EL1 sys_reg(3, 0, 0, 3, 0)
154 #define SYS_MVFR1_EL1 sys_reg(3, 0, 0, 3, 1)
155 #define SYS_MVFR2_EL1 sys_reg(3, 0, 0, 3, 2)
157 #define SYS_ID_AA64PFR0_EL1 sys_reg(3, 0, 0, 4, 0)
158 #define SYS_ID_AA64PFR1_EL1 sys_reg(3, 0, 0, 4, 1)
159 #define SYS_ID_AA64ZFR0_EL1 sys_reg(3, 0, 0, 4, 4)
161 #define SYS_ID_AA64DFR0_EL1 sys_reg(3, 0, 0, 5, 0)
162 #define SYS_ID_AA64DFR1_EL1 sys_reg(3, 0, 0, 5, 1)
164 #define SYS_ID_AA64AFR0_EL1 sys_reg(3, 0, 0, 5, 4)
165 #define SYS_ID_AA64AFR1_EL1 sys_reg(3, 0, 0, 5, 5)
167 #define SYS_ID_AA64ISAR0_EL1 sys_reg(3, 0, 0, 6, 0)
168 #define SYS_ID_AA64ISAR1_EL1 sys_reg(3, 0, 0, 6, 1)
170 #define SYS_ID_AA64MMFR0_EL1 sys_reg(3, 0, 0, 7, 0)
171 #define SYS_ID_AA64MMFR1_EL1 sys_reg(3, 0, 0, 7, 1)
172 #define SYS_ID_AA64MMFR2_EL1 sys_reg(3, 0, 0, 7, 2)
174 #define SYS_SCTLR_EL1 sys_reg(3, 0, 1, 0, 0)
175 #define SYS_ACTLR_EL1 sys_reg(3, 0, 1, 0, 1)
176 #define SYS_CPACR_EL1 sys_reg(3, 0, 1, 0, 2)
178 #define SYS_ZCR_EL1 sys_reg(3, 0, 1, 2, 0)
180 #define SYS_TTBR0_EL1 sys_reg(3, 0, 2, 0, 0)
181 #define SYS_TTBR1_EL1 sys_reg(3, 0, 2, 0, 1)
182 #define SYS_TCR_EL1 sys_reg(3, 0, 2, 0, 2)
184 #define SYS_APIAKEYLO_EL1 sys_reg(3, 0, 2, 1, 0)
185 #define SYS_APIAKEYHI_EL1 sys_reg(3, 0, 2, 1, 1)
186 #define SYS_APIBKEYLO_EL1 sys_reg(3, 0, 2, 1, 2)
187 #define SYS_APIBKEYHI_EL1 sys_reg(3, 0, 2, 1, 3)
189 #define SYS_APDAKEYLO_EL1 sys_reg(3, 0, 2, 2, 0)
190 #define SYS_APDAKEYHI_EL1 sys_reg(3, 0, 2, 2, 1)
191 #define SYS_APDBKEYLO_EL1 sys_reg(3, 0, 2, 2, 2)
192 #define SYS_APDBKEYHI_EL1 sys_reg(3, 0, 2, 2, 3)
194 #define SYS_APGAKEYLO_EL1 sys_reg(3, 0, 2, 3, 0)
195 #define SYS_APGAKEYHI_EL1 sys_reg(3, 0, 2, 3, 1)
197 #define SYS_SPSR_EL1 sys_reg(3, 0, 4, 0, 0)
198 #define SYS_ELR_EL1 sys_reg(3, 0, 4, 0, 1)
200 #define SYS_ICC_PMR_EL1 sys_reg(3, 0, 4, 6, 0)
202 #define SYS_AFSR0_EL1 sys_reg(3, 0, 5, 1, 0)
203 #define SYS_AFSR1_EL1 sys_reg(3, 0, 5, 1, 1)
204 #define SYS_ESR_EL1 sys_reg(3, 0, 5, 2, 0)
206 #define SYS_ERRIDR_EL1 sys_reg(3, 0, 5, 3, 0)
207 #define SYS_ERRSELR_EL1 sys_reg(3, 0, 5, 3, 1)
208 #define SYS_ERXFR_EL1 sys_reg(3, 0, 5, 4, 0)
209 #define SYS_ERXCTLR_EL1 sys_reg(3, 0, 5, 4, 1)
210 #define SYS_ERXSTATUS_EL1 sys_reg(3, 0, 5, 4, 2)
211 #define SYS_ERXADDR_EL1 sys_reg(3, 0, 5, 4, 3)
212 #define SYS_ERXMISC0_EL1 sys_reg(3, 0, 5, 5, 0)
213 #define SYS_ERXMISC1_EL1 sys_reg(3, 0, 5, 5, 1)
215 #define SYS_FAR_EL1 sys_reg(3, 0, 6, 0, 0)
216 #define SYS_PAR_EL1 sys_reg(3, 0, 7, 4, 0)
218 #define SYS_PAR_EL1_F BIT(0)
219 #define SYS_PAR_EL1_FST GENMASK(6, 1)
221 /*** Statistical Profiling Extension ***/
223 #define SYS_PMSIDR_EL1 sys_reg(3, 0, 9, 9, 7)
224 #define SYS_PMSIDR_EL1_FE_SHIFT 0
225 #define SYS_PMSIDR_EL1_FT_SHIFT 1
226 #define SYS_PMSIDR_EL1_FL_SHIFT 2
227 #define SYS_PMSIDR_EL1_ARCHINST_SHIFT 3
228 #define SYS_PMSIDR_EL1_LDS_SHIFT 4
229 #define SYS_PMSIDR_EL1_ERND_SHIFT 5
230 #define SYS_PMSIDR_EL1_INTERVAL_SHIFT 8
231 #define SYS_PMSIDR_EL1_INTERVAL_MASK 0xfUL
232 #define SYS_PMSIDR_EL1_MAXSIZE_SHIFT 12
233 #define SYS_PMSIDR_EL1_MAXSIZE_MASK 0xfUL
234 #define SYS_PMSIDR_EL1_COUNTSIZE_SHIFT 16
235 #define SYS_PMSIDR_EL1_COUNTSIZE_MASK 0xfUL
237 #define SYS_PMBIDR_EL1 sys_reg(3, 0, 9, 10, 7)
238 #define SYS_PMBIDR_EL1_ALIGN_SHIFT 0
239 #define SYS_PMBIDR_EL1_ALIGN_MASK 0xfU
240 #define SYS_PMBIDR_EL1_P_SHIFT 4
241 #define SYS_PMBIDR_EL1_F_SHIFT 5
243 /* Sampling controls */
244 #define SYS_PMSCR_EL1 sys_reg(3, 0, 9, 9, 0)
245 #define SYS_PMSCR_EL1_E0SPE_SHIFT 0
246 #define SYS_PMSCR_EL1_E1SPE_SHIFT 1
247 #define SYS_PMSCR_EL1_CX_SHIFT 3
248 #define SYS_PMSCR_EL1_PA_SHIFT 4
249 #define SYS_PMSCR_EL1_TS_SHIFT 5
250 #define SYS_PMSCR_EL1_PCT_SHIFT 6
252 #define SYS_PMSCR_EL2 sys_reg(3, 4, 9, 9, 0)
253 #define SYS_PMSCR_EL2_E0HSPE_SHIFT 0
254 #define SYS_PMSCR_EL2_E2SPE_SHIFT 1
255 #define SYS_PMSCR_EL2_CX_SHIFT 3
256 #define SYS_PMSCR_EL2_PA_SHIFT 4
257 #define SYS_PMSCR_EL2_TS_SHIFT 5
258 #define SYS_PMSCR_EL2_PCT_SHIFT 6
260 #define SYS_PMSICR_EL1 sys_reg(3, 0, 9, 9, 2)
262 #define SYS_PMSIRR_EL1 sys_reg(3, 0, 9, 9, 3)
263 #define SYS_PMSIRR_EL1_RND_SHIFT 0
264 #define SYS_PMSIRR_EL1_INTERVAL_SHIFT 8
265 #define SYS_PMSIRR_EL1_INTERVAL_MASK 0xffffffUL
267 /* Filtering controls */
268 #define SYS_PMSFCR_EL1 sys_reg(3, 0, 9, 9, 4)
269 #define SYS_PMSFCR_EL1_FE_SHIFT 0
270 #define SYS_PMSFCR_EL1_FT_SHIFT 1
271 #define SYS_PMSFCR_EL1_FL_SHIFT 2
272 #define SYS_PMSFCR_EL1_B_SHIFT 16
273 #define SYS_PMSFCR_EL1_LD_SHIFT 17
274 #define SYS_PMSFCR_EL1_ST_SHIFT 18
276 #define SYS_PMSEVFR_EL1 sys_reg(3, 0, 9, 9, 5)
277 #define SYS_PMSEVFR_EL1_RES0 0x0000ffff00ff0f55UL
279 #define SYS_PMSLATFR_EL1 sys_reg(3, 0, 9, 9, 6)
280 #define SYS_PMSLATFR_EL1_MINLAT_SHIFT 0
282 /* Buffer controls */
283 #define SYS_PMBLIMITR_EL1 sys_reg(3, 0, 9, 10, 0)
284 #define SYS_PMBLIMITR_EL1_E_SHIFT 0
285 #define SYS_PMBLIMITR_EL1_FM_SHIFT 1
286 #define SYS_PMBLIMITR_EL1_FM_MASK 0x3UL
287 #define SYS_PMBLIMITR_EL1_FM_STOP_IRQ (0 << SYS_PMBLIMITR_EL1_FM_SHIFT)
289 #define SYS_PMBPTR_EL1 sys_reg(3, 0, 9, 10, 1)
291 /* Buffer error reporting */
292 #define SYS_PMBSR_EL1 sys_reg(3, 0, 9, 10, 3)
293 #define SYS_PMBSR_EL1_COLL_SHIFT 16
294 #define SYS_PMBSR_EL1_S_SHIFT 17
295 #define SYS_PMBSR_EL1_EA_SHIFT 18
296 #define SYS_PMBSR_EL1_DL_SHIFT 19
297 #define SYS_PMBSR_EL1_EC_SHIFT 26
298 #define SYS_PMBSR_EL1_EC_MASK 0x3fUL
300 #define SYS_PMBSR_EL1_EC_BUF (0x0UL << SYS_PMBSR_EL1_EC_SHIFT)
301 #define SYS_PMBSR_EL1_EC_FAULT_S1 (0x24UL << SYS_PMBSR_EL1_EC_SHIFT)
302 #define SYS_PMBSR_EL1_EC_FAULT_S2 (0x25UL << SYS_PMBSR_EL1_EC_SHIFT)
304 #define SYS_PMBSR_EL1_FAULT_FSC_SHIFT 0
305 #define SYS_PMBSR_EL1_FAULT_FSC_MASK 0x3fUL
307 #define SYS_PMBSR_EL1_BUF_BSC_SHIFT 0
308 #define SYS_PMBSR_EL1_BUF_BSC_MASK 0x3fUL
310 #define SYS_PMBSR_EL1_BUF_BSC_FULL (0x1UL << SYS_PMBSR_EL1_BUF_BSC_SHIFT)
312 /*** End of Statistical Profiling Extension ***/
314 #define SYS_PMINTENSET_EL1 sys_reg(3, 0, 9, 14, 1)
315 #define SYS_PMINTENCLR_EL1 sys_reg(3, 0, 9, 14, 2)
317 #define SYS_MAIR_EL1 sys_reg(3, 0, 10, 2, 0)
318 #define SYS_AMAIR_EL1 sys_reg(3, 0, 10, 3, 0)
320 #define SYS_LORSA_EL1 sys_reg(3, 0, 10, 4, 0)
321 #define SYS_LOREA_EL1 sys_reg(3, 0, 10, 4, 1)
322 #define SYS_LORN_EL1 sys_reg(3, 0, 10, 4, 2)
323 #define SYS_LORC_EL1 sys_reg(3, 0, 10, 4, 3)
324 #define SYS_LORID_EL1 sys_reg(3, 0, 10, 4, 7)
326 #define SYS_VBAR_EL1 sys_reg(3, 0, 12, 0, 0)
327 #define SYS_DISR_EL1 sys_reg(3, 0, 12, 1, 1)
329 #define SYS_ICC_IAR0_EL1 sys_reg(3, 0, 12, 8, 0)
330 #define SYS_ICC_EOIR0_EL1 sys_reg(3, 0, 12, 8, 1)
331 #define SYS_ICC_HPPIR0_EL1 sys_reg(3, 0, 12, 8, 2)
332 #define SYS_ICC_BPR0_EL1 sys_reg(3, 0, 12, 8, 3)
333 #define SYS_ICC_AP0Rn_EL1(n) sys_reg(3, 0, 12, 8, 4 | n)
334 #define SYS_ICC_AP0R0_EL1 SYS_ICC_AP0Rn_EL1(0)
335 #define SYS_ICC_AP0R1_EL1 SYS_ICC_AP0Rn_EL1(1)
336 #define SYS_ICC_AP0R2_EL1 SYS_ICC_AP0Rn_EL1(2)
337 #define SYS_ICC_AP0R3_EL1 SYS_ICC_AP0Rn_EL1(3)
338 #define SYS_ICC_AP1Rn_EL1(n) sys_reg(3, 0, 12, 9, n)
339 #define SYS_ICC_AP1R0_EL1 SYS_ICC_AP1Rn_EL1(0)
340 #define SYS_ICC_AP1R1_EL1 SYS_ICC_AP1Rn_EL1(1)
341 #define SYS_ICC_AP1R2_EL1 SYS_ICC_AP1Rn_EL1(2)
342 #define SYS_ICC_AP1R3_EL1 SYS_ICC_AP1Rn_EL1(3)
343 #define SYS_ICC_DIR_EL1 sys_reg(3, 0, 12, 11, 1)
344 #define SYS_ICC_RPR_EL1 sys_reg(3, 0, 12, 11, 3)
345 #define SYS_ICC_SGI1R_EL1 sys_reg(3, 0, 12, 11, 5)
346 #define SYS_ICC_ASGI1R_EL1 sys_reg(3, 0, 12, 11, 6)
347 #define SYS_ICC_SGI0R_EL1 sys_reg(3, 0, 12, 11, 7)
348 #define SYS_ICC_IAR1_EL1 sys_reg(3, 0, 12, 12, 0)
349 #define SYS_ICC_EOIR1_EL1 sys_reg(3, 0, 12, 12, 1)
350 #define SYS_ICC_HPPIR1_EL1 sys_reg(3, 0, 12, 12, 2)
351 #define SYS_ICC_BPR1_EL1 sys_reg(3, 0, 12, 12, 3)
352 #define SYS_ICC_CTLR_EL1 sys_reg(3, 0, 12, 12, 4)
353 #define SYS_ICC_SRE_EL1 sys_reg(3, 0, 12, 12, 5)
354 #define SYS_ICC_IGRPEN0_EL1 sys_reg(3, 0, 12, 12, 6)
355 #define SYS_ICC_IGRPEN1_EL1 sys_reg(3, 0, 12, 12, 7)
357 #define SYS_CONTEXTIDR_EL1 sys_reg(3, 0, 13, 0, 1)
358 #define SYS_TPIDR_EL1 sys_reg(3, 0, 13, 0, 4)
360 #define SYS_CNTKCTL_EL1 sys_reg(3, 0, 14, 1, 0)
362 #define SYS_CCSIDR_EL1 sys_reg(3, 1, 0, 0, 0)
363 #define SYS_CLIDR_EL1 sys_reg(3, 1, 0, 0, 1)
364 #define SYS_AIDR_EL1 sys_reg(3, 1, 0, 0, 7)
366 #define SYS_CSSELR_EL1 sys_reg(3, 2, 0, 0, 0)
368 #define SYS_CTR_EL0 sys_reg(3, 3, 0, 0, 1)
369 #define SYS_DCZID_EL0 sys_reg(3, 3, 0, 0, 7)
371 #define SYS_RNDR_EL0 sys_reg(3, 3, 2, 4, 0)
372 #define SYS_RNDRRS_EL0 sys_reg(3, 3, 2, 4, 1)
374 #define SYS_PMCR_EL0 sys_reg(3, 3, 9, 12, 0)
375 #define SYS_PMCNTENSET_EL0 sys_reg(3, 3, 9, 12, 1)
376 #define SYS_PMCNTENCLR_EL0 sys_reg(3, 3, 9, 12, 2)
377 #define SYS_PMOVSCLR_EL0 sys_reg(3, 3, 9, 12, 3)
378 #define SYS_PMSWINC_EL0 sys_reg(3, 3, 9, 12, 4)
379 #define SYS_PMSELR_EL0 sys_reg(3, 3, 9, 12, 5)
380 #define SYS_PMCEID0_EL0 sys_reg(3, 3, 9, 12, 6)
381 #define SYS_PMCEID1_EL0 sys_reg(3, 3, 9, 12, 7)
382 #define SYS_PMCCNTR_EL0 sys_reg(3, 3, 9, 13, 0)
383 #define SYS_PMXEVTYPER_EL0 sys_reg(3, 3, 9, 13, 1)
384 #define SYS_PMXEVCNTR_EL0 sys_reg(3, 3, 9, 13, 2)
385 #define SYS_PMUSERENR_EL0 sys_reg(3, 3, 9, 14, 0)
386 #define SYS_PMOVSSET_EL0 sys_reg(3, 3, 9, 14, 3)
388 #define SYS_TPIDR_EL0 sys_reg(3, 3, 13, 0, 2)
389 #define SYS_TPIDRRO_EL0 sys_reg(3, 3, 13, 0, 3)
391 /* Definitions for system register interface to AMU for ARMv8.4 onwards */
392 #define SYS_AM_EL0(crm, op2) sys_reg(3, 3, 13, (crm), (op2))
393 #define SYS_AMCR_EL0 SYS_AM_EL0(2, 0)
394 #define SYS_AMCFGR_EL0 SYS_AM_EL0(2, 1)
395 #define SYS_AMCGCR_EL0 SYS_AM_EL0(2, 2)
396 #define SYS_AMUSERENR_EL0 SYS_AM_EL0(2, 3)
397 #define SYS_AMCNTENCLR0_EL0 SYS_AM_EL0(2, 4)
398 #define SYS_AMCNTENSET0_EL0 SYS_AM_EL0(2, 5)
399 #define SYS_AMCNTENCLR1_EL0 SYS_AM_EL0(3, 0)
400 #define SYS_AMCNTENSET1_EL0 SYS_AM_EL0(3, 1)
403 * Group 0 of activity monitors (architected):
404 * op0 op1 CRn CRm op2
405 * Counter: 11 011 1101 010:n<3> n<2:0>
406 * Type: 11 011 1101 011:n<3> n<2:0>
409 * Group 1 of activity monitors (auxiliary):
410 * op0 op1 CRn CRm op2
411 * Counter: 11 011 1101 110:n<3> n<2:0>
412 * Type: 11 011 1101 111:n<3> n<2:0>
416 #define SYS_AMEVCNTR0_EL0(n) SYS_AM_EL0(4 + ((n) >> 3), (n) & 7)
417 #define SYS_AMEVTYPE0_EL0(n) SYS_AM_EL0(6 + ((n) >> 3), (n) & 7)
418 #define SYS_AMEVCNTR1_EL0(n) SYS_AM_EL0(12 + ((n) >> 3), (n) & 7)
419 #define SYS_AMEVTYPE1_EL0(n) SYS_AM_EL0(14 + ((n) >> 3), (n) & 7)
421 /* AMU v1: Fixed (architecturally defined) activity monitors */
422 #define SYS_AMEVCNTR0_CORE_EL0 SYS_AMEVCNTR0_EL0(0)
423 #define SYS_AMEVCNTR0_CONST_EL0 SYS_AMEVCNTR0_EL0(1)
424 #define SYS_AMEVCNTR0_INST_RET_EL0 SYS_AMEVCNTR0_EL0(2)
425 #define SYS_AMEVCNTR0_MEM_STALL SYS_AMEVCNTR0_EL0(3)
427 #define SYS_CNTFRQ_EL0 sys_reg(3, 3, 14, 0, 0)
429 #define SYS_CNTP_TVAL_EL0 sys_reg(3, 3, 14, 2, 0)
430 #define SYS_CNTP_CTL_EL0 sys_reg(3, 3, 14, 2, 1)
431 #define SYS_CNTP_CVAL_EL0 sys_reg(3, 3, 14, 2, 2)
433 #define SYS_CNTV_CTL_EL0 sys_reg(3, 3, 14, 3, 1)
434 #define SYS_CNTV_CVAL_EL0 sys_reg(3, 3, 14, 3, 2)
436 #define SYS_AARCH32_CNTP_TVAL sys_reg(0, 0, 14, 2, 0)
437 #define SYS_AARCH32_CNTP_CTL sys_reg(0, 0, 14, 2, 1)
438 #define SYS_AARCH32_CNTP_CVAL sys_reg(0, 2, 0, 14, 0)
440 #define __PMEV_op2(n) ((n) & 0x7)
441 #define __CNTR_CRm(n) (0x8 | (((n) >> 3) & 0x3))
442 #define SYS_PMEVCNTRn_EL0(n) sys_reg(3, 3, 14, __CNTR_CRm(n), __PMEV_op2(n))
443 #define __TYPER_CRm(n) (0xc | (((n) >> 3) & 0x3))
444 #define SYS_PMEVTYPERn_EL0(n) sys_reg(3, 3, 14, __TYPER_CRm(n), __PMEV_op2(n))
446 #define SYS_PMCCFILTR_EL0 sys_reg(3, 3, 14, 15, 7)
448 #define SYS_ZCR_EL2 sys_reg(3, 4, 1, 2, 0)
449 #define SYS_DACR32_EL2 sys_reg(3, 4, 3, 0, 0)
450 #define SYS_SPSR_EL2 sys_reg(3, 4, 4, 0, 0)
451 #define SYS_ELR_EL2 sys_reg(3, 4, 4, 0, 1)
452 #define SYS_IFSR32_EL2 sys_reg(3, 4, 5, 0, 1)
453 #define SYS_ESR_EL2 sys_reg(3, 4, 5, 2, 0)
454 #define SYS_VSESR_EL2 sys_reg(3, 4, 5, 2, 3)
455 #define SYS_FPEXC32_EL2 sys_reg(3, 4, 5, 3, 0)
456 #define SYS_FAR_EL2 sys_reg(3, 4, 6, 0, 0)
458 #define SYS_VDISR_EL2 sys_reg(3, 4, 12, 1, 1)
459 #define __SYS__AP0Rx_EL2(x) sys_reg(3, 4, 12, 8, x)
460 #define SYS_ICH_AP0R0_EL2 __SYS__AP0Rx_EL2(0)
461 #define SYS_ICH_AP0R1_EL2 __SYS__AP0Rx_EL2(1)
462 #define SYS_ICH_AP0R2_EL2 __SYS__AP0Rx_EL2(2)
463 #define SYS_ICH_AP0R3_EL2 __SYS__AP0Rx_EL2(3)
465 #define __SYS__AP1Rx_EL2(x) sys_reg(3, 4, 12, 9, x)
466 #define SYS_ICH_AP1R0_EL2 __SYS__AP1Rx_EL2(0)
467 #define SYS_ICH_AP1R1_EL2 __SYS__AP1Rx_EL2(1)
468 #define SYS_ICH_AP1R2_EL2 __SYS__AP1Rx_EL2(2)
469 #define SYS_ICH_AP1R3_EL2 __SYS__AP1Rx_EL2(3)
471 #define SYS_ICH_VSEIR_EL2 sys_reg(3, 4, 12, 9, 4)
472 #define SYS_ICC_SRE_EL2 sys_reg(3, 4, 12, 9, 5)
473 #define SYS_ICH_HCR_EL2 sys_reg(3, 4, 12, 11, 0)
474 #define SYS_ICH_VTR_EL2 sys_reg(3, 4, 12, 11, 1)
475 #define SYS_ICH_MISR_EL2 sys_reg(3, 4, 12, 11, 2)
476 #define SYS_ICH_EISR_EL2 sys_reg(3, 4, 12, 11, 3)
477 #define SYS_ICH_ELRSR_EL2 sys_reg(3, 4, 12, 11, 5)
478 #define SYS_ICH_VMCR_EL2 sys_reg(3, 4, 12, 11, 7)
480 #define __SYS__LR0_EL2(x) sys_reg(3, 4, 12, 12, x)
481 #define SYS_ICH_LR0_EL2 __SYS__LR0_EL2(0)
482 #define SYS_ICH_LR1_EL2 __SYS__LR0_EL2(1)
483 #define SYS_ICH_LR2_EL2 __SYS__LR0_EL2(2)
484 #define SYS_ICH_LR3_EL2 __SYS__LR0_EL2(3)
485 #define SYS_ICH_LR4_EL2 __SYS__LR0_EL2(4)
486 #define SYS_ICH_LR5_EL2 __SYS__LR0_EL2(5)
487 #define SYS_ICH_LR6_EL2 __SYS__LR0_EL2(6)
488 #define SYS_ICH_LR7_EL2 __SYS__LR0_EL2(7)
490 #define __SYS__LR8_EL2(x) sys_reg(3, 4, 12, 13, x)
491 #define SYS_ICH_LR8_EL2 __SYS__LR8_EL2(0)
492 #define SYS_ICH_LR9_EL2 __SYS__LR8_EL2(1)
493 #define SYS_ICH_LR10_EL2 __SYS__LR8_EL2(2)
494 #define SYS_ICH_LR11_EL2 __SYS__LR8_EL2(3)
495 #define SYS_ICH_LR12_EL2 __SYS__LR8_EL2(4)
496 #define SYS_ICH_LR13_EL2 __SYS__LR8_EL2(5)
497 #define SYS_ICH_LR14_EL2 __SYS__LR8_EL2(6)
498 #define SYS_ICH_LR15_EL2 __SYS__LR8_EL2(7)
500 /* VHE encodings for architectural EL0/1 system registers */
501 #define SYS_SCTLR_EL12 sys_reg(3, 5, 1, 0, 0)
502 #define SYS_CPACR_EL12 sys_reg(3, 5, 1, 0, 2)
503 #define SYS_ZCR_EL12 sys_reg(3, 5, 1, 2, 0)
504 #define SYS_TTBR0_EL12 sys_reg(3, 5, 2, 0, 0)
505 #define SYS_TTBR1_EL12 sys_reg(3, 5, 2, 0, 1)
506 #define SYS_TCR_EL12 sys_reg(3, 5, 2, 0, 2)
507 #define SYS_SPSR_EL12 sys_reg(3, 5, 4, 0, 0)
508 #define SYS_ELR_EL12 sys_reg(3, 5, 4, 0, 1)
509 #define SYS_AFSR0_EL12 sys_reg(3, 5, 5, 1, 0)
510 #define SYS_AFSR1_EL12 sys_reg(3, 5, 5, 1, 1)
511 #define SYS_ESR_EL12 sys_reg(3, 5, 5, 2, 0)
512 #define SYS_FAR_EL12 sys_reg(3, 5, 6, 0, 0)
513 #define SYS_MAIR_EL12 sys_reg(3, 5, 10, 2, 0)
514 #define SYS_AMAIR_EL12 sys_reg(3, 5, 10, 3, 0)
515 #define SYS_VBAR_EL12 sys_reg(3, 5, 12, 0, 0)
516 #define SYS_CONTEXTIDR_EL12 sys_reg(3, 5, 13, 0, 1)
517 #define SYS_CNTKCTL_EL12 sys_reg(3, 5, 14, 1, 0)
518 #define SYS_CNTP_TVAL_EL02 sys_reg(3, 5, 14, 2, 0)
519 #define SYS_CNTP_CTL_EL02 sys_reg(3, 5, 14, 2, 1)
520 #define SYS_CNTP_CVAL_EL02 sys_reg(3, 5, 14, 2, 2)
521 #define SYS_CNTV_TVAL_EL02 sys_reg(3, 5, 14, 3, 0)
522 #define SYS_CNTV_CTL_EL02 sys_reg(3, 5, 14, 3, 1)
523 #define SYS_CNTV_CVAL_EL02 sys_reg(3, 5, 14, 3, 2)
525 /* Common SCTLR_ELx flags. */
526 #define SCTLR_ELx_DSSBS (BIT(44))
527 #define SCTLR_ELx_ENIA (BIT(31))
528 #define SCTLR_ELx_ENIB (BIT(30))
529 #define SCTLR_ELx_ENDA (BIT(27))
530 #define SCTLR_ELx_EE (BIT(25))
531 #define SCTLR_ELx_IESB (BIT(21))
532 #define SCTLR_ELx_WXN (BIT(19))
533 #define SCTLR_ELx_ENDB (BIT(13))
534 #define SCTLR_ELx_I (BIT(12))
535 #define SCTLR_ELx_SA (BIT(3))
536 #define SCTLR_ELx_C (BIT(2))
537 #define SCTLR_ELx_A (BIT(1))
538 #define SCTLR_ELx_M (BIT(0))
540 #define SCTLR_ELx_FLAGS (SCTLR_ELx_M | SCTLR_ELx_A | SCTLR_ELx_C | \
541 SCTLR_ELx_SA | SCTLR_ELx_I | SCTLR_ELx_IESB)
543 /* SCTLR_EL2 specific flags. */
544 #define SCTLR_EL2_RES1 ((BIT(4)) | (BIT(5)) | (BIT(11)) | (BIT(16)) | \
545 (BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \
548 #ifdef CONFIG_CPU_BIG_ENDIAN
549 #define ENDIAN_SET_EL2 SCTLR_ELx_EE
551 #define ENDIAN_SET_EL2 0
554 /* SCTLR_EL1 specific flags. */
555 #define SCTLR_EL1_UCI (BIT(26))
556 #define SCTLR_EL1_E0E (BIT(24))
557 #define SCTLR_EL1_SPAN (BIT(23))
558 #define SCTLR_EL1_NTWE (BIT(18))
559 #define SCTLR_EL1_NTWI (BIT(16))
560 #define SCTLR_EL1_UCT (BIT(15))
561 #define SCTLR_EL1_DZE (BIT(14))
562 #define SCTLR_EL1_UMA (BIT(9))
563 #define SCTLR_EL1_SED (BIT(8))
564 #define SCTLR_EL1_ITD (BIT(7))
565 #define SCTLR_EL1_CP15BEN (BIT(5))
566 #define SCTLR_EL1_SA0 (BIT(4))
568 #define SCTLR_EL1_RES1 ((BIT(11)) | (BIT(20)) | (BIT(22)) | (BIT(28)) | \
571 #ifdef CONFIG_CPU_BIG_ENDIAN
572 #define ENDIAN_SET_EL1 (SCTLR_EL1_E0E | SCTLR_ELx_EE)
574 #define ENDIAN_SET_EL1 0
577 #define SCTLR_EL1_SET (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA |\
578 SCTLR_EL1_SA0 | SCTLR_EL1_SED | SCTLR_ELx_I |\
579 SCTLR_EL1_DZE | SCTLR_EL1_UCT |\
580 SCTLR_EL1_NTWE | SCTLR_ELx_IESB | SCTLR_EL1_SPAN |\
581 ENDIAN_SET_EL1 | SCTLR_EL1_UCI | SCTLR_EL1_RES1)
583 /* MAIR_ELx memory attributes (used by Linux) */
584 #define MAIR_ATTR_DEVICE_nGnRnE UL(0x00)
585 #define MAIR_ATTR_DEVICE_nGnRE UL(0x04)
586 #define MAIR_ATTR_DEVICE_GRE UL(0x0c)
587 #define MAIR_ATTR_NORMAL_NC UL(0x44)
588 #define MAIR_ATTR_NORMAL_WT UL(0xbb)
589 #define MAIR_ATTR_NORMAL UL(0xff)
590 #define MAIR_ATTR_MASK UL(0xff)
592 /* Position the attr at the correct index */
593 #define MAIR_ATTRIDX(attr, idx) ((attr) << ((idx) * 8))
596 #define ID_AA64ISAR0_RNDR_SHIFT 60
597 #define ID_AA64ISAR0_TS_SHIFT 52
598 #define ID_AA64ISAR0_FHM_SHIFT 48
599 #define ID_AA64ISAR0_DP_SHIFT 44
600 #define ID_AA64ISAR0_SM4_SHIFT 40
601 #define ID_AA64ISAR0_SM3_SHIFT 36
602 #define ID_AA64ISAR0_SHA3_SHIFT 32
603 #define ID_AA64ISAR0_RDM_SHIFT 28
604 #define ID_AA64ISAR0_ATOMICS_SHIFT 20
605 #define ID_AA64ISAR0_CRC32_SHIFT 16
606 #define ID_AA64ISAR0_SHA2_SHIFT 12
607 #define ID_AA64ISAR0_SHA1_SHIFT 8
608 #define ID_AA64ISAR0_AES_SHIFT 4
611 #define ID_AA64ISAR1_I8MM_SHIFT 52
612 #define ID_AA64ISAR1_DGH_SHIFT 48
613 #define ID_AA64ISAR1_BF16_SHIFT 44
614 #define ID_AA64ISAR1_SPECRES_SHIFT 40
615 #define ID_AA64ISAR1_SB_SHIFT 36
616 #define ID_AA64ISAR1_FRINTTS_SHIFT 32
617 #define ID_AA64ISAR1_GPI_SHIFT 28
618 #define ID_AA64ISAR1_GPA_SHIFT 24
619 #define ID_AA64ISAR1_LRCPC_SHIFT 20
620 #define ID_AA64ISAR1_FCMA_SHIFT 16
621 #define ID_AA64ISAR1_JSCVT_SHIFT 12
622 #define ID_AA64ISAR1_API_SHIFT 8
623 #define ID_AA64ISAR1_APA_SHIFT 4
624 #define ID_AA64ISAR1_DPB_SHIFT 0
626 #define ID_AA64ISAR1_APA_NI 0x0
627 #define ID_AA64ISAR1_APA_ARCHITECTED 0x1
628 #define ID_AA64ISAR1_API_NI 0x0
629 #define ID_AA64ISAR1_API_IMP_DEF 0x1
630 #define ID_AA64ISAR1_GPA_NI 0x0
631 #define ID_AA64ISAR1_GPA_ARCHITECTED 0x1
632 #define ID_AA64ISAR1_GPI_NI 0x0
633 #define ID_AA64ISAR1_GPI_IMP_DEF 0x1
636 #define ID_AA64PFR0_CSV3_SHIFT 60
637 #define ID_AA64PFR0_CSV2_SHIFT 56
638 #define ID_AA64PFR0_DIT_SHIFT 48
639 #define ID_AA64PFR0_AMU_SHIFT 44
640 #define ID_AA64PFR0_SVE_SHIFT 32
641 #define ID_AA64PFR0_RAS_SHIFT 28
642 #define ID_AA64PFR0_GIC_SHIFT 24
643 #define ID_AA64PFR0_ASIMD_SHIFT 20
644 #define ID_AA64PFR0_FP_SHIFT 16
645 #define ID_AA64PFR0_EL3_SHIFT 12
646 #define ID_AA64PFR0_EL2_SHIFT 8
647 #define ID_AA64PFR0_EL1_SHIFT 4
648 #define ID_AA64PFR0_EL0_SHIFT 0
650 #define ID_AA64PFR0_AMU 0x1
651 #define ID_AA64PFR0_SVE 0x1
652 #define ID_AA64PFR0_RAS_V1 0x1
653 #define ID_AA64PFR0_FP_NI 0xf
654 #define ID_AA64PFR0_FP_SUPPORTED 0x0
655 #define ID_AA64PFR0_ASIMD_NI 0xf
656 #define ID_AA64PFR0_ASIMD_SUPPORTED 0x0
657 #define ID_AA64PFR0_EL1_64BIT_ONLY 0x1
658 #define ID_AA64PFR0_EL1_32BIT_64BIT 0x2
659 #define ID_AA64PFR0_EL0_64BIT_ONLY 0x1
660 #define ID_AA64PFR0_EL0_32BIT_64BIT 0x2
663 #define ID_AA64PFR1_SSBS_SHIFT 4
665 #define ID_AA64PFR1_SSBS_PSTATE_NI 0
666 #define ID_AA64PFR1_SSBS_PSTATE_ONLY 1
667 #define ID_AA64PFR1_SSBS_PSTATE_INSNS 2
670 #define ID_AA64ZFR0_F64MM_SHIFT 56
671 #define ID_AA64ZFR0_F32MM_SHIFT 52
672 #define ID_AA64ZFR0_I8MM_SHIFT 44
673 #define ID_AA64ZFR0_SM4_SHIFT 40
674 #define ID_AA64ZFR0_SHA3_SHIFT 32
675 #define ID_AA64ZFR0_BF16_SHIFT 20
676 #define ID_AA64ZFR0_BITPERM_SHIFT 16
677 #define ID_AA64ZFR0_AES_SHIFT 4
678 #define ID_AA64ZFR0_SVEVER_SHIFT 0
680 #define ID_AA64ZFR0_F64MM 0x1
681 #define ID_AA64ZFR0_F32MM 0x1
682 #define ID_AA64ZFR0_I8MM 0x1
683 #define ID_AA64ZFR0_BF16 0x1
684 #define ID_AA64ZFR0_SM4 0x1
685 #define ID_AA64ZFR0_SHA3 0x1
686 #define ID_AA64ZFR0_BITPERM 0x1
687 #define ID_AA64ZFR0_AES 0x1
688 #define ID_AA64ZFR0_AES_PMULL 0x2
689 #define ID_AA64ZFR0_SVEVER_SVE2 0x1
692 #define ID_AA64MMFR0_TGRAN4_SHIFT 28
693 #define ID_AA64MMFR0_TGRAN64_SHIFT 24
694 #define ID_AA64MMFR0_TGRAN16_SHIFT 20
695 #define ID_AA64MMFR0_BIGENDEL0_SHIFT 16
696 #define ID_AA64MMFR0_SNSMEM_SHIFT 12
697 #define ID_AA64MMFR0_BIGENDEL_SHIFT 8
698 #define ID_AA64MMFR0_ASID_SHIFT 4
699 #define ID_AA64MMFR0_PARANGE_SHIFT 0
701 #define ID_AA64MMFR0_TGRAN4_NI 0xf
702 #define ID_AA64MMFR0_TGRAN4_SUPPORTED 0x0
703 #define ID_AA64MMFR0_TGRAN64_NI 0xf
704 #define ID_AA64MMFR0_TGRAN64_SUPPORTED 0x0
705 #define ID_AA64MMFR0_TGRAN16_NI 0x0
706 #define ID_AA64MMFR0_TGRAN16_SUPPORTED 0x1
707 #define ID_AA64MMFR0_PARANGE_48 0x5
708 #define ID_AA64MMFR0_PARANGE_52 0x6
710 #ifdef CONFIG_ARM64_PA_BITS_52
711 #define ID_AA64MMFR0_PARANGE_MAX ID_AA64MMFR0_PARANGE_52
713 #define ID_AA64MMFR0_PARANGE_MAX ID_AA64MMFR0_PARANGE_48
717 #define ID_AA64MMFR1_PAN_SHIFT 20
718 #define ID_AA64MMFR1_LOR_SHIFT 16
719 #define ID_AA64MMFR1_HPD_SHIFT 12
720 #define ID_AA64MMFR1_VHE_SHIFT 8
721 #define ID_AA64MMFR1_VMIDBITS_SHIFT 4
722 #define ID_AA64MMFR1_HADBS_SHIFT 0
724 #define ID_AA64MMFR1_VMIDBITS_8 0
725 #define ID_AA64MMFR1_VMIDBITS_16 2
728 #define ID_AA64MMFR2_E0PD_SHIFT 60
729 #define ID_AA64MMFR2_FWB_SHIFT 40
730 #define ID_AA64MMFR2_AT_SHIFT 32
731 #define ID_AA64MMFR2_LVA_SHIFT 16
732 #define ID_AA64MMFR2_IESB_SHIFT 12
733 #define ID_AA64MMFR2_LSM_SHIFT 8
734 #define ID_AA64MMFR2_UAO_SHIFT 4
735 #define ID_AA64MMFR2_CNP_SHIFT 0
738 #define ID_AA64DFR0_PMSVER_SHIFT 32
739 #define ID_AA64DFR0_CTX_CMPS_SHIFT 28
740 #define ID_AA64DFR0_WRPS_SHIFT 20
741 #define ID_AA64DFR0_BRPS_SHIFT 12
742 #define ID_AA64DFR0_PMUVER_SHIFT 8
743 #define ID_AA64DFR0_TRACEVER_SHIFT 4
744 #define ID_AA64DFR0_DEBUGVER_SHIFT 0
746 #define ID_AA64DFR0_PMUVER_8_0 0x1
747 #define ID_AA64DFR0_PMUVER_8_1 0x4
748 #define ID_AA64DFR0_PMUVER_8_4 0x5
749 #define ID_AA64DFR0_PMUVER_8_5 0x6
750 #define ID_AA64DFR0_PMUVER_IMP_DEF 0xf
752 #define ID_DFR0_PERFMON_SHIFT 24
754 #define ID_DFR0_PERFMON_8_1 0x4
756 #define ID_ISAR4_SWP_FRAC_SHIFT 28
757 #define ID_ISAR4_PSR_M_SHIFT 24
758 #define ID_ISAR4_SYNCH_PRIM_FRAC_SHIFT 20
759 #define ID_ISAR4_BARRIER_SHIFT 16
760 #define ID_ISAR4_SMC_SHIFT 12
761 #define ID_ISAR4_WRITEBACK_SHIFT 8
762 #define ID_ISAR4_WITHSHIFTS_SHIFT 4
763 #define ID_ISAR4_UNPRIV_SHIFT 0
765 #define ID_ISAR5_RDM_SHIFT 24
766 #define ID_ISAR5_CRC32_SHIFT 16
767 #define ID_ISAR5_SHA2_SHIFT 12
768 #define ID_ISAR5_SHA1_SHIFT 8
769 #define ID_ISAR5_AES_SHIFT 4
770 #define ID_ISAR5_SEVL_SHIFT 0
772 #define ID_ISAR6_I8MM_SHIFT 24
773 #define ID_ISAR6_BF16_SHIFT 20
774 #define ID_ISAR6_SPECRES_SHIFT 16
775 #define ID_ISAR6_SB_SHIFT 12
776 #define ID_ISAR6_FHM_SHIFT 8
777 #define ID_ISAR6_DP_SHIFT 4
778 #define ID_ISAR6_JSCVT_SHIFT 0
780 #define MVFR0_FPROUND_SHIFT 28
781 #define MVFR0_FPSHVEC_SHIFT 24
782 #define MVFR0_FPSQRT_SHIFT 20
783 #define MVFR0_FPDIVIDE_SHIFT 16
784 #define MVFR0_FPTRAP_SHIFT 12
785 #define MVFR0_FPDP_SHIFT 8
786 #define MVFR0_FPSP_SHIFT 4
787 #define MVFR0_SIMD_SHIFT 0
789 #define MVFR1_SIMDFMAC_SHIFT 28
790 #define MVFR1_FPHP_SHIFT 24
791 #define MVFR1_SIMDHP_SHIFT 20
792 #define MVFR1_SIMDSP_SHIFT 16
793 #define MVFR1_SIMDINT_SHIFT 12
794 #define MVFR1_SIMDLS_SHIFT 8
795 #define MVFR1_FPDNAN_SHIFT 4
796 #define MVFR1_FPFTZ_SHIFT 0
798 #define ID_PFR1_GIC_SHIFT 28
799 #define ID_PFR1_VIRT_FRAC_SHIFT 24
800 #define ID_PFR1_SEC_FRAC_SHIFT 20
801 #define ID_PFR1_GENTIMER_SHIFT 16
802 #define ID_PFR1_VIRTUALIZATION_SHIFT 12
803 #define ID_PFR1_MPROGMOD_SHIFT 8
804 #define ID_PFR1_SECURITY_SHIFT 4
805 #define ID_PFR1_PROGMOD_SHIFT 0
807 #if defined(CONFIG_ARM64_4K_PAGES)
808 #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN4_SHIFT
809 #define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN4_SUPPORTED
810 #elif defined(CONFIG_ARM64_16K_PAGES)
811 #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN16_SHIFT
812 #define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN16_SUPPORTED
813 #elif defined(CONFIG_ARM64_64K_PAGES)
814 #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN64_SHIFT
815 #define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN64_SUPPORTED
820 * The ZCR_ELx_LEN_* definitions intentionally include bits [8:4] which
821 * are reserved by the SVE architecture for future expansion of the LEN
822 * field, with compatible semantics.
824 #define ZCR_ELx_LEN_SHIFT 0
825 #define ZCR_ELx_LEN_SIZE 9
826 #define ZCR_ELx_LEN_MASK 0x1ff
828 #define CPACR_EL1_ZEN_EL1EN (BIT(16)) /* enable EL1 access */
829 #define CPACR_EL1_ZEN_EL0EN (BIT(17)) /* enable EL0 access, if EL1EN set */
830 #define CPACR_EL1_ZEN (CPACR_EL1_ZEN_EL1EN | CPACR_EL1_ZEN_EL0EN)
833 /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */
834 #define SYS_MPIDR_SAFE_VAL (BIT(31))
838 .irp num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30
839 .equ .L__reg_num_x\num, \num
841 .equ .L__reg_num_xzr, 31
843 .macro mrs_s, rt, sreg
844 __emit_inst(0xd5200000|(\sreg)|(.L__reg_num_\rt))
847 .macro msr_s, sreg, rt
848 __emit_inst(0xd5000000|(\sreg)|(.L__reg_num_\rt))
853 #include <linux/build_bug.h>
854 #include <linux/types.h>
856 #define __DEFINE_MRS_MSR_S_REGNUM \
857 " .irp num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30\n" \
858 " .equ .L__reg_num_x\\num, \\num\n" \
860 " .equ .L__reg_num_xzr, 31\n"
862 #define DEFINE_MRS_S \
863 __DEFINE_MRS_MSR_S_REGNUM \
864 " .macro mrs_s, rt, sreg\n" \
865 __emit_inst(0xd5200000|(\\sreg)|(.L__reg_num_\\rt)) \
868 #define DEFINE_MSR_S \
869 __DEFINE_MRS_MSR_S_REGNUM \
870 " .macro msr_s, sreg, rt\n" \
871 __emit_inst(0xd5000000|(\\sreg)|(.L__reg_num_\\rt)) \
874 #define UNDEFINE_MRS_S \
877 #define UNDEFINE_MSR_S \
880 #define __mrs_s(v, r) \
882 " mrs_s " v ", " __stringify(r) "\n" \
885 #define __msr_s(r, v) \
887 " msr_s " __stringify(r) ", " v "\n" \
891 * Unlike read_cpuid, calls to read_sysreg are never expected to be
892 * optimized away or replaced with synthetic values.
894 #define read_sysreg(r) ({ \
896 asm volatile("mrs %0, " __stringify(r) : "=r" (__val)); \
901 * The "Z" constraint normally means a zero immediate, but when combined with
902 * the "%x0" template means XZR.
904 #define write_sysreg(v, r) do { \
905 u64 __val = (u64)(v); \
906 asm volatile("msr " __stringify(r) ", %x0" \
911 * For registers without architectural names, or simply unsupported by
914 #define read_sysreg_s(r) ({ \
916 asm volatile(__mrs_s("%0", r) : "=r" (__val)); \
920 #define write_sysreg_s(v, r) do { \
921 u64 __val = (u64)(v); \
922 asm volatile(__msr_s(r, "%x0") : : "rZ" (__val)); \
926 * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the
927 * set mask are set. Other bits are left as-is.
929 #define sysreg_clear_set(sysreg, clear, set) do { \
930 u64 __scs_val = read_sysreg(sysreg); \
931 u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \
932 if (__scs_new != __scs_val) \
933 write_sysreg(__scs_new, sysreg); \
938 #endif /* __ASM_SYSREG_H */