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)
94 #define PSTATE_TCO pstate_field(3, 4)
96 #define SET_PSTATE_PAN(x) __emit_inst(0xd500401f | PSTATE_PAN | ((!!x) << PSTATE_Imm_shift))
97 #define SET_PSTATE_UAO(x) __emit_inst(0xd500401f | PSTATE_UAO | ((!!x) << PSTATE_Imm_shift))
98 #define SET_PSTATE_SSBS(x) __emit_inst(0xd500401f | PSTATE_SSBS | ((!!x) << PSTATE_Imm_shift))
99 #define SET_PSTATE_TCO(x) __emit_inst(0xd500401f | PSTATE_TCO | ((!!x) << PSTATE_Imm_shift))
101 #define set_pstate_pan(x) asm volatile(SET_PSTATE_PAN(x))
102 #define set_pstate_uao(x) asm volatile(SET_PSTATE_UAO(x))
103 #define set_pstate_ssbs(x) asm volatile(SET_PSTATE_SSBS(x))
105 #define __SYS_BARRIER_INSN(CRm, op2, Rt) \
106 __emit_inst(0xd5000000 | sys_insn(0, 3, 3, (CRm), (op2)) | ((Rt) & 0x1f))
108 #define SB_BARRIER_INSN __SYS_BARRIER_INSN(0, 7, 31)
110 #define SYS_DC_ISW sys_insn(1, 0, 7, 6, 2)
111 #define SYS_DC_CSW sys_insn(1, 0, 7, 10, 2)
112 #define SYS_DC_CISW sys_insn(1, 0, 7, 14, 2)
115 * System registers, organised loosely by encoding but grouped together
116 * where the architected name contains an index. e.g. ID_MMFR<n>_EL1.
118 #define SYS_OSDTRRX_EL1 sys_reg(2, 0, 0, 0, 2)
119 #define SYS_MDCCINT_EL1 sys_reg(2, 0, 0, 2, 0)
120 #define SYS_MDSCR_EL1 sys_reg(2, 0, 0, 2, 2)
121 #define SYS_OSDTRTX_EL1 sys_reg(2, 0, 0, 3, 2)
122 #define SYS_OSECCR_EL1 sys_reg(2, 0, 0, 6, 2)
123 #define SYS_DBGBVRn_EL1(n) sys_reg(2, 0, 0, n, 4)
124 #define SYS_DBGBCRn_EL1(n) sys_reg(2, 0, 0, n, 5)
125 #define SYS_DBGWVRn_EL1(n) sys_reg(2, 0, 0, n, 6)
126 #define SYS_DBGWCRn_EL1(n) sys_reg(2, 0, 0, n, 7)
127 #define SYS_MDRAR_EL1 sys_reg(2, 0, 1, 0, 0)
128 #define SYS_OSLAR_EL1 sys_reg(2, 0, 1, 0, 4)
129 #define SYS_OSLSR_EL1 sys_reg(2, 0, 1, 1, 4)
130 #define SYS_OSDLR_EL1 sys_reg(2, 0, 1, 3, 4)
131 #define SYS_DBGPRCR_EL1 sys_reg(2, 0, 1, 4, 4)
132 #define SYS_DBGCLAIMSET_EL1 sys_reg(2, 0, 7, 8, 6)
133 #define SYS_DBGCLAIMCLR_EL1 sys_reg(2, 0, 7, 9, 6)
134 #define SYS_DBGAUTHSTATUS_EL1 sys_reg(2, 0, 7, 14, 6)
135 #define SYS_MDCCSR_EL0 sys_reg(2, 3, 0, 1, 0)
136 #define SYS_DBGDTR_EL0 sys_reg(2, 3, 0, 4, 0)
137 #define SYS_DBGDTRRX_EL0 sys_reg(2, 3, 0, 5, 0)
138 #define SYS_DBGDTRTX_EL0 sys_reg(2, 3, 0, 5, 0)
139 #define SYS_DBGVCR32_EL2 sys_reg(2, 4, 0, 7, 0)
141 #define SYS_MIDR_EL1 sys_reg(3, 0, 0, 0, 0)
142 #define SYS_MPIDR_EL1 sys_reg(3, 0, 0, 0, 5)
143 #define SYS_REVIDR_EL1 sys_reg(3, 0, 0, 0, 6)
145 #define SYS_ID_PFR0_EL1 sys_reg(3, 0, 0, 1, 0)
146 #define SYS_ID_PFR1_EL1 sys_reg(3, 0, 0, 1, 1)
147 #define SYS_ID_PFR2_EL1 sys_reg(3, 0, 0, 3, 4)
148 #define SYS_ID_DFR0_EL1 sys_reg(3, 0, 0, 1, 2)
149 #define SYS_ID_DFR1_EL1 sys_reg(3, 0, 0, 3, 5)
150 #define SYS_ID_AFR0_EL1 sys_reg(3, 0, 0, 1, 3)
151 #define SYS_ID_MMFR0_EL1 sys_reg(3, 0, 0, 1, 4)
152 #define SYS_ID_MMFR1_EL1 sys_reg(3, 0, 0, 1, 5)
153 #define SYS_ID_MMFR2_EL1 sys_reg(3, 0, 0, 1, 6)
154 #define SYS_ID_MMFR3_EL1 sys_reg(3, 0, 0, 1, 7)
155 #define SYS_ID_MMFR4_EL1 sys_reg(3, 0, 0, 2, 6)
156 #define SYS_ID_MMFR5_EL1 sys_reg(3, 0, 0, 3, 6)
158 #define SYS_ID_ISAR0_EL1 sys_reg(3, 0, 0, 2, 0)
159 #define SYS_ID_ISAR1_EL1 sys_reg(3, 0, 0, 2, 1)
160 #define SYS_ID_ISAR2_EL1 sys_reg(3, 0, 0, 2, 2)
161 #define SYS_ID_ISAR3_EL1 sys_reg(3, 0, 0, 2, 3)
162 #define SYS_ID_ISAR4_EL1 sys_reg(3, 0, 0, 2, 4)
163 #define SYS_ID_ISAR5_EL1 sys_reg(3, 0, 0, 2, 5)
164 #define SYS_ID_ISAR6_EL1 sys_reg(3, 0, 0, 2, 7)
166 #define SYS_MVFR0_EL1 sys_reg(3, 0, 0, 3, 0)
167 #define SYS_MVFR1_EL1 sys_reg(3, 0, 0, 3, 1)
168 #define SYS_MVFR2_EL1 sys_reg(3, 0, 0, 3, 2)
170 #define SYS_ID_AA64PFR0_EL1 sys_reg(3, 0, 0, 4, 0)
171 #define SYS_ID_AA64PFR1_EL1 sys_reg(3, 0, 0, 4, 1)
172 #define SYS_ID_AA64ZFR0_EL1 sys_reg(3, 0, 0, 4, 4)
174 #define SYS_ID_AA64DFR0_EL1 sys_reg(3, 0, 0, 5, 0)
175 #define SYS_ID_AA64DFR1_EL1 sys_reg(3, 0, 0, 5, 1)
177 #define SYS_ID_AA64AFR0_EL1 sys_reg(3, 0, 0, 5, 4)
178 #define SYS_ID_AA64AFR1_EL1 sys_reg(3, 0, 0, 5, 5)
180 #define SYS_ID_AA64ISAR0_EL1 sys_reg(3, 0, 0, 6, 0)
181 #define SYS_ID_AA64ISAR1_EL1 sys_reg(3, 0, 0, 6, 1)
183 #define SYS_ID_AA64MMFR0_EL1 sys_reg(3, 0, 0, 7, 0)
184 #define SYS_ID_AA64MMFR1_EL1 sys_reg(3, 0, 0, 7, 1)
185 #define SYS_ID_AA64MMFR2_EL1 sys_reg(3, 0, 0, 7, 2)
187 #define SYS_SCTLR_EL1 sys_reg(3, 0, 1, 0, 0)
188 #define SYS_ACTLR_EL1 sys_reg(3, 0, 1, 0, 1)
189 #define SYS_CPACR_EL1 sys_reg(3, 0, 1, 0, 2)
190 #define SYS_RGSR_EL1 sys_reg(3, 0, 1, 0, 5)
191 #define SYS_GCR_EL1 sys_reg(3, 0, 1, 0, 6)
193 #define SYS_ZCR_EL1 sys_reg(3, 0, 1, 2, 0)
194 #define SYS_TRFCR_EL1 sys_reg(3, 0, 1, 2, 1)
196 #define SYS_TTBR0_EL1 sys_reg(3, 0, 2, 0, 0)
197 #define SYS_TTBR1_EL1 sys_reg(3, 0, 2, 0, 1)
198 #define SYS_TCR_EL1 sys_reg(3, 0, 2, 0, 2)
200 #define SYS_APIAKEYLO_EL1 sys_reg(3, 0, 2, 1, 0)
201 #define SYS_APIAKEYHI_EL1 sys_reg(3, 0, 2, 1, 1)
202 #define SYS_APIBKEYLO_EL1 sys_reg(3, 0, 2, 1, 2)
203 #define SYS_APIBKEYHI_EL1 sys_reg(3, 0, 2, 1, 3)
205 #define SYS_APDAKEYLO_EL1 sys_reg(3, 0, 2, 2, 0)
206 #define SYS_APDAKEYHI_EL1 sys_reg(3, 0, 2, 2, 1)
207 #define SYS_APDBKEYLO_EL1 sys_reg(3, 0, 2, 2, 2)
208 #define SYS_APDBKEYHI_EL1 sys_reg(3, 0, 2, 2, 3)
210 #define SYS_APGAKEYLO_EL1 sys_reg(3, 0, 2, 3, 0)
211 #define SYS_APGAKEYHI_EL1 sys_reg(3, 0, 2, 3, 1)
213 #define SYS_SPSR_EL1 sys_reg(3, 0, 4, 0, 0)
214 #define SYS_ELR_EL1 sys_reg(3, 0, 4, 0, 1)
216 #define SYS_ICC_PMR_EL1 sys_reg(3, 0, 4, 6, 0)
218 #define SYS_AFSR0_EL1 sys_reg(3, 0, 5, 1, 0)
219 #define SYS_AFSR1_EL1 sys_reg(3, 0, 5, 1, 1)
220 #define SYS_ESR_EL1 sys_reg(3, 0, 5, 2, 0)
222 #define SYS_ERRIDR_EL1 sys_reg(3, 0, 5, 3, 0)
223 #define SYS_ERRSELR_EL1 sys_reg(3, 0, 5, 3, 1)
224 #define SYS_ERXFR_EL1 sys_reg(3, 0, 5, 4, 0)
225 #define SYS_ERXCTLR_EL1 sys_reg(3, 0, 5, 4, 1)
226 #define SYS_ERXSTATUS_EL1 sys_reg(3, 0, 5, 4, 2)
227 #define SYS_ERXADDR_EL1 sys_reg(3, 0, 5, 4, 3)
228 #define SYS_ERXMISC0_EL1 sys_reg(3, 0, 5, 5, 0)
229 #define SYS_ERXMISC1_EL1 sys_reg(3, 0, 5, 5, 1)
230 #define SYS_TFSR_EL1 sys_reg(3, 0, 5, 6, 0)
231 #define SYS_TFSRE0_EL1 sys_reg(3, 0, 5, 6, 1)
233 #define SYS_FAR_EL1 sys_reg(3, 0, 6, 0, 0)
234 #define SYS_PAR_EL1 sys_reg(3, 0, 7, 4, 0)
236 #define SYS_PAR_EL1_F BIT(0)
237 #define SYS_PAR_EL1_FST GENMASK(6, 1)
239 /*** Statistical Profiling Extension ***/
241 #define SYS_PMSIDR_EL1 sys_reg(3, 0, 9, 9, 7)
242 #define SYS_PMSIDR_EL1_FE_SHIFT 0
243 #define SYS_PMSIDR_EL1_FT_SHIFT 1
244 #define SYS_PMSIDR_EL1_FL_SHIFT 2
245 #define SYS_PMSIDR_EL1_ARCHINST_SHIFT 3
246 #define SYS_PMSIDR_EL1_LDS_SHIFT 4
247 #define SYS_PMSIDR_EL1_ERND_SHIFT 5
248 #define SYS_PMSIDR_EL1_INTERVAL_SHIFT 8
249 #define SYS_PMSIDR_EL1_INTERVAL_MASK 0xfUL
250 #define SYS_PMSIDR_EL1_MAXSIZE_SHIFT 12
251 #define SYS_PMSIDR_EL1_MAXSIZE_MASK 0xfUL
252 #define SYS_PMSIDR_EL1_COUNTSIZE_SHIFT 16
253 #define SYS_PMSIDR_EL1_COUNTSIZE_MASK 0xfUL
255 #define SYS_PMBIDR_EL1 sys_reg(3, 0, 9, 10, 7)
256 #define SYS_PMBIDR_EL1_ALIGN_SHIFT 0
257 #define SYS_PMBIDR_EL1_ALIGN_MASK 0xfU
258 #define SYS_PMBIDR_EL1_P_SHIFT 4
259 #define SYS_PMBIDR_EL1_F_SHIFT 5
261 /* Sampling controls */
262 #define SYS_PMSCR_EL1 sys_reg(3, 0, 9, 9, 0)
263 #define SYS_PMSCR_EL1_E0SPE_SHIFT 0
264 #define SYS_PMSCR_EL1_E1SPE_SHIFT 1
265 #define SYS_PMSCR_EL1_CX_SHIFT 3
266 #define SYS_PMSCR_EL1_PA_SHIFT 4
267 #define SYS_PMSCR_EL1_TS_SHIFT 5
268 #define SYS_PMSCR_EL1_PCT_SHIFT 6
270 #define SYS_PMSCR_EL2 sys_reg(3, 4, 9, 9, 0)
271 #define SYS_PMSCR_EL2_E0HSPE_SHIFT 0
272 #define SYS_PMSCR_EL2_E2SPE_SHIFT 1
273 #define SYS_PMSCR_EL2_CX_SHIFT 3
274 #define SYS_PMSCR_EL2_PA_SHIFT 4
275 #define SYS_PMSCR_EL2_TS_SHIFT 5
276 #define SYS_PMSCR_EL2_PCT_SHIFT 6
278 #define SYS_PMSICR_EL1 sys_reg(3, 0, 9, 9, 2)
280 #define SYS_PMSIRR_EL1 sys_reg(3, 0, 9, 9, 3)
281 #define SYS_PMSIRR_EL1_RND_SHIFT 0
282 #define SYS_PMSIRR_EL1_INTERVAL_SHIFT 8
283 #define SYS_PMSIRR_EL1_INTERVAL_MASK 0xffffffUL
285 /* Filtering controls */
286 #define SYS_PMSFCR_EL1 sys_reg(3, 0, 9, 9, 4)
287 #define SYS_PMSFCR_EL1_FE_SHIFT 0
288 #define SYS_PMSFCR_EL1_FT_SHIFT 1
289 #define SYS_PMSFCR_EL1_FL_SHIFT 2
290 #define SYS_PMSFCR_EL1_B_SHIFT 16
291 #define SYS_PMSFCR_EL1_LD_SHIFT 17
292 #define SYS_PMSFCR_EL1_ST_SHIFT 18
294 #define SYS_PMSEVFR_EL1 sys_reg(3, 0, 9, 9, 5)
295 #define SYS_PMSEVFR_EL1_RES0_8_2 \
296 (GENMASK_ULL(47, 32) | GENMASK_ULL(23, 16) | GENMASK_ULL(11, 8) |\
297 BIT_ULL(6) | BIT_ULL(4) | BIT_ULL(2) | BIT_ULL(0))
298 #define SYS_PMSEVFR_EL1_RES0_8_3 \
299 (SYS_PMSEVFR_EL1_RES0_8_2 & ~(BIT_ULL(18) | BIT_ULL(17) | BIT_ULL(11)))
301 #define SYS_PMSLATFR_EL1 sys_reg(3, 0, 9, 9, 6)
302 #define SYS_PMSLATFR_EL1_MINLAT_SHIFT 0
304 /* Buffer controls */
305 #define SYS_PMBLIMITR_EL1 sys_reg(3, 0, 9, 10, 0)
306 #define SYS_PMBLIMITR_EL1_E_SHIFT 0
307 #define SYS_PMBLIMITR_EL1_FM_SHIFT 1
308 #define SYS_PMBLIMITR_EL1_FM_MASK 0x3UL
309 #define SYS_PMBLIMITR_EL1_FM_STOP_IRQ (0 << SYS_PMBLIMITR_EL1_FM_SHIFT)
311 #define SYS_PMBPTR_EL1 sys_reg(3, 0, 9, 10, 1)
313 /* Buffer error reporting */
314 #define SYS_PMBSR_EL1 sys_reg(3, 0, 9, 10, 3)
315 #define SYS_PMBSR_EL1_COLL_SHIFT 16
316 #define SYS_PMBSR_EL1_S_SHIFT 17
317 #define SYS_PMBSR_EL1_EA_SHIFT 18
318 #define SYS_PMBSR_EL1_DL_SHIFT 19
319 #define SYS_PMBSR_EL1_EC_SHIFT 26
320 #define SYS_PMBSR_EL1_EC_MASK 0x3fUL
322 #define SYS_PMBSR_EL1_EC_BUF (0x0UL << SYS_PMBSR_EL1_EC_SHIFT)
323 #define SYS_PMBSR_EL1_EC_FAULT_S1 (0x24UL << SYS_PMBSR_EL1_EC_SHIFT)
324 #define SYS_PMBSR_EL1_EC_FAULT_S2 (0x25UL << SYS_PMBSR_EL1_EC_SHIFT)
326 #define SYS_PMBSR_EL1_FAULT_FSC_SHIFT 0
327 #define SYS_PMBSR_EL1_FAULT_FSC_MASK 0x3fUL
329 #define SYS_PMBSR_EL1_BUF_BSC_SHIFT 0
330 #define SYS_PMBSR_EL1_BUF_BSC_MASK 0x3fUL
332 #define SYS_PMBSR_EL1_BUF_BSC_FULL (0x1UL << SYS_PMBSR_EL1_BUF_BSC_SHIFT)
334 /*** End of Statistical Profiling Extension ***/
336 #define SYS_PMINTENSET_EL1 sys_reg(3, 0, 9, 14, 1)
337 #define SYS_PMINTENCLR_EL1 sys_reg(3, 0, 9, 14, 2)
339 #define SYS_PMMIR_EL1 sys_reg(3, 0, 9, 14, 6)
341 #define SYS_MAIR_EL1 sys_reg(3, 0, 10, 2, 0)
342 #define SYS_AMAIR_EL1 sys_reg(3, 0, 10, 3, 0)
344 #define SYS_LORSA_EL1 sys_reg(3, 0, 10, 4, 0)
345 #define SYS_LOREA_EL1 sys_reg(3, 0, 10, 4, 1)
346 #define SYS_LORN_EL1 sys_reg(3, 0, 10, 4, 2)
347 #define SYS_LORC_EL1 sys_reg(3, 0, 10, 4, 3)
348 #define SYS_LORID_EL1 sys_reg(3, 0, 10, 4, 7)
350 #define SYS_VBAR_EL1 sys_reg(3, 0, 12, 0, 0)
351 #define SYS_DISR_EL1 sys_reg(3, 0, 12, 1, 1)
353 #define SYS_ICC_IAR0_EL1 sys_reg(3, 0, 12, 8, 0)
354 #define SYS_ICC_EOIR0_EL1 sys_reg(3, 0, 12, 8, 1)
355 #define SYS_ICC_HPPIR0_EL1 sys_reg(3, 0, 12, 8, 2)
356 #define SYS_ICC_BPR0_EL1 sys_reg(3, 0, 12, 8, 3)
357 #define SYS_ICC_AP0Rn_EL1(n) sys_reg(3, 0, 12, 8, 4 | n)
358 #define SYS_ICC_AP0R0_EL1 SYS_ICC_AP0Rn_EL1(0)
359 #define SYS_ICC_AP0R1_EL1 SYS_ICC_AP0Rn_EL1(1)
360 #define SYS_ICC_AP0R2_EL1 SYS_ICC_AP0Rn_EL1(2)
361 #define SYS_ICC_AP0R3_EL1 SYS_ICC_AP0Rn_EL1(3)
362 #define SYS_ICC_AP1Rn_EL1(n) sys_reg(3, 0, 12, 9, n)
363 #define SYS_ICC_AP1R0_EL1 SYS_ICC_AP1Rn_EL1(0)
364 #define SYS_ICC_AP1R1_EL1 SYS_ICC_AP1Rn_EL1(1)
365 #define SYS_ICC_AP1R2_EL1 SYS_ICC_AP1Rn_EL1(2)
366 #define SYS_ICC_AP1R3_EL1 SYS_ICC_AP1Rn_EL1(3)
367 #define SYS_ICC_DIR_EL1 sys_reg(3, 0, 12, 11, 1)
368 #define SYS_ICC_RPR_EL1 sys_reg(3, 0, 12, 11, 3)
369 #define SYS_ICC_SGI1R_EL1 sys_reg(3, 0, 12, 11, 5)
370 #define SYS_ICC_ASGI1R_EL1 sys_reg(3, 0, 12, 11, 6)
371 #define SYS_ICC_SGI0R_EL1 sys_reg(3, 0, 12, 11, 7)
372 #define SYS_ICC_IAR1_EL1 sys_reg(3, 0, 12, 12, 0)
373 #define SYS_ICC_EOIR1_EL1 sys_reg(3, 0, 12, 12, 1)
374 #define SYS_ICC_HPPIR1_EL1 sys_reg(3, 0, 12, 12, 2)
375 #define SYS_ICC_BPR1_EL1 sys_reg(3, 0, 12, 12, 3)
376 #define SYS_ICC_CTLR_EL1 sys_reg(3, 0, 12, 12, 4)
377 #define SYS_ICC_SRE_EL1 sys_reg(3, 0, 12, 12, 5)
378 #define SYS_ICC_IGRPEN0_EL1 sys_reg(3, 0, 12, 12, 6)
379 #define SYS_ICC_IGRPEN1_EL1 sys_reg(3, 0, 12, 12, 7)
381 #define SYS_CONTEXTIDR_EL1 sys_reg(3, 0, 13, 0, 1)
382 #define SYS_TPIDR_EL1 sys_reg(3, 0, 13, 0, 4)
384 #define SYS_SCXTNUM_EL1 sys_reg(3, 0, 13, 0, 7)
386 #define SYS_CNTKCTL_EL1 sys_reg(3, 0, 14, 1, 0)
388 #define SYS_CCSIDR_EL1 sys_reg(3, 1, 0, 0, 0)
389 #define SYS_CLIDR_EL1 sys_reg(3, 1, 0, 0, 1)
390 #define SYS_GMID_EL1 sys_reg(3, 1, 0, 0, 4)
391 #define SYS_AIDR_EL1 sys_reg(3, 1, 0, 0, 7)
393 #define SYS_CSSELR_EL1 sys_reg(3, 2, 0, 0, 0)
395 #define SYS_CTR_EL0 sys_reg(3, 3, 0, 0, 1)
396 #define SYS_DCZID_EL0 sys_reg(3, 3, 0, 0, 7)
398 #define SYS_RNDR_EL0 sys_reg(3, 3, 2, 4, 0)
399 #define SYS_RNDRRS_EL0 sys_reg(3, 3, 2, 4, 1)
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)
415 #define SYS_TPIDR_EL0 sys_reg(3, 3, 13, 0, 2)
416 #define SYS_TPIDRRO_EL0 sys_reg(3, 3, 13, 0, 3)
418 #define SYS_SCXTNUM_EL0 sys_reg(3, 3, 13, 0, 7)
420 /* Definitions for system register interface to AMU for ARMv8.4 onwards */
421 #define SYS_AM_EL0(crm, op2) sys_reg(3, 3, 13, (crm), (op2))
422 #define SYS_AMCR_EL0 SYS_AM_EL0(2, 0)
423 #define SYS_AMCFGR_EL0 SYS_AM_EL0(2, 1)
424 #define SYS_AMCGCR_EL0 SYS_AM_EL0(2, 2)
425 #define SYS_AMUSERENR_EL0 SYS_AM_EL0(2, 3)
426 #define SYS_AMCNTENCLR0_EL0 SYS_AM_EL0(2, 4)
427 #define SYS_AMCNTENSET0_EL0 SYS_AM_EL0(2, 5)
428 #define SYS_AMCNTENCLR1_EL0 SYS_AM_EL0(3, 0)
429 #define SYS_AMCNTENSET1_EL0 SYS_AM_EL0(3, 1)
432 * Group 0 of activity monitors (architected):
433 * op0 op1 CRn CRm op2
434 * Counter: 11 011 1101 010:n<3> n<2:0>
435 * Type: 11 011 1101 011:n<3> n<2:0>
438 * Group 1 of activity monitors (auxiliary):
439 * op0 op1 CRn CRm op2
440 * Counter: 11 011 1101 110:n<3> n<2:0>
441 * Type: 11 011 1101 111:n<3> n<2:0>
445 #define SYS_AMEVCNTR0_EL0(n) SYS_AM_EL0(4 + ((n) >> 3), (n) & 7)
446 #define SYS_AMEVTYPER0_EL0(n) SYS_AM_EL0(6 + ((n) >> 3), (n) & 7)
447 #define SYS_AMEVCNTR1_EL0(n) SYS_AM_EL0(12 + ((n) >> 3), (n) & 7)
448 #define SYS_AMEVTYPER1_EL0(n) SYS_AM_EL0(14 + ((n) >> 3), (n) & 7)
450 /* AMU v1: Fixed (architecturally defined) activity monitors */
451 #define SYS_AMEVCNTR0_CORE_EL0 SYS_AMEVCNTR0_EL0(0)
452 #define SYS_AMEVCNTR0_CONST_EL0 SYS_AMEVCNTR0_EL0(1)
453 #define SYS_AMEVCNTR0_INST_RET_EL0 SYS_AMEVCNTR0_EL0(2)
454 #define SYS_AMEVCNTR0_MEM_STALL SYS_AMEVCNTR0_EL0(3)
456 #define SYS_CNTFRQ_EL0 sys_reg(3, 3, 14, 0, 0)
458 #define SYS_CNTP_TVAL_EL0 sys_reg(3, 3, 14, 2, 0)
459 #define SYS_CNTP_CTL_EL0 sys_reg(3, 3, 14, 2, 1)
460 #define SYS_CNTP_CVAL_EL0 sys_reg(3, 3, 14, 2, 2)
462 #define SYS_CNTV_CTL_EL0 sys_reg(3, 3, 14, 3, 1)
463 #define SYS_CNTV_CVAL_EL0 sys_reg(3, 3, 14, 3, 2)
465 #define SYS_AARCH32_CNTP_TVAL sys_reg(0, 0, 14, 2, 0)
466 #define SYS_AARCH32_CNTP_CTL sys_reg(0, 0, 14, 2, 1)
467 #define SYS_AARCH32_CNTP_CVAL sys_reg(0, 2, 0, 14, 0)
469 #define __PMEV_op2(n) ((n) & 0x7)
470 #define __CNTR_CRm(n) (0x8 | (((n) >> 3) & 0x3))
471 #define SYS_PMEVCNTRn_EL0(n) sys_reg(3, 3, 14, __CNTR_CRm(n), __PMEV_op2(n))
472 #define __TYPER_CRm(n) (0xc | (((n) >> 3) & 0x3))
473 #define SYS_PMEVTYPERn_EL0(n) sys_reg(3, 3, 14, __TYPER_CRm(n), __PMEV_op2(n))
475 #define SYS_PMCCFILTR_EL0 sys_reg(3, 3, 14, 15, 7)
477 #define SYS_SCTLR_EL2 sys_reg(3, 4, 1, 0, 0)
478 #define SYS_ZCR_EL2 sys_reg(3, 4, 1, 2, 0)
479 #define SYS_TRFCR_EL2 sys_reg(3, 4, 1, 2, 1)
480 #define SYS_DACR32_EL2 sys_reg(3, 4, 3, 0, 0)
481 #define SYS_SPSR_EL2 sys_reg(3, 4, 4, 0, 0)
482 #define SYS_ELR_EL2 sys_reg(3, 4, 4, 0, 1)
483 #define SYS_IFSR32_EL2 sys_reg(3, 4, 5, 0, 1)
484 #define SYS_ESR_EL2 sys_reg(3, 4, 5, 2, 0)
485 #define SYS_VSESR_EL2 sys_reg(3, 4, 5, 2, 3)
486 #define SYS_FPEXC32_EL2 sys_reg(3, 4, 5, 3, 0)
487 #define SYS_TFSR_EL2 sys_reg(3, 4, 5, 6, 0)
488 #define SYS_FAR_EL2 sys_reg(3, 4, 6, 0, 0)
490 #define SYS_VDISR_EL2 sys_reg(3, 4, 12, 1, 1)
491 #define __SYS__AP0Rx_EL2(x) sys_reg(3, 4, 12, 8, x)
492 #define SYS_ICH_AP0R0_EL2 __SYS__AP0Rx_EL2(0)
493 #define SYS_ICH_AP0R1_EL2 __SYS__AP0Rx_EL2(1)
494 #define SYS_ICH_AP0R2_EL2 __SYS__AP0Rx_EL2(2)
495 #define SYS_ICH_AP0R3_EL2 __SYS__AP0Rx_EL2(3)
497 #define __SYS__AP1Rx_EL2(x) sys_reg(3, 4, 12, 9, x)
498 #define SYS_ICH_AP1R0_EL2 __SYS__AP1Rx_EL2(0)
499 #define SYS_ICH_AP1R1_EL2 __SYS__AP1Rx_EL2(1)
500 #define SYS_ICH_AP1R2_EL2 __SYS__AP1Rx_EL2(2)
501 #define SYS_ICH_AP1R3_EL2 __SYS__AP1Rx_EL2(3)
503 #define SYS_ICH_VSEIR_EL2 sys_reg(3, 4, 12, 9, 4)
504 #define SYS_ICC_SRE_EL2 sys_reg(3, 4, 12, 9, 5)
505 #define SYS_ICH_HCR_EL2 sys_reg(3, 4, 12, 11, 0)
506 #define SYS_ICH_VTR_EL2 sys_reg(3, 4, 12, 11, 1)
507 #define SYS_ICH_MISR_EL2 sys_reg(3, 4, 12, 11, 2)
508 #define SYS_ICH_EISR_EL2 sys_reg(3, 4, 12, 11, 3)
509 #define SYS_ICH_ELRSR_EL2 sys_reg(3, 4, 12, 11, 5)
510 #define SYS_ICH_VMCR_EL2 sys_reg(3, 4, 12, 11, 7)
512 #define __SYS__LR0_EL2(x) sys_reg(3, 4, 12, 12, x)
513 #define SYS_ICH_LR0_EL2 __SYS__LR0_EL2(0)
514 #define SYS_ICH_LR1_EL2 __SYS__LR0_EL2(1)
515 #define SYS_ICH_LR2_EL2 __SYS__LR0_EL2(2)
516 #define SYS_ICH_LR3_EL2 __SYS__LR0_EL2(3)
517 #define SYS_ICH_LR4_EL2 __SYS__LR0_EL2(4)
518 #define SYS_ICH_LR5_EL2 __SYS__LR0_EL2(5)
519 #define SYS_ICH_LR6_EL2 __SYS__LR0_EL2(6)
520 #define SYS_ICH_LR7_EL2 __SYS__LR0_EL2(7)
522 #define __SYS__LR8_EL2(x) sys_reg(3, 4, 12, 13, x)
523 #define SYS_ICH_LR8_EL2 __SYS__LR8_EL2(0)
524 #define SYS_ICH_LR9_EL2 __SYS__LR8_EL2(1)
525 #define SYS_ICH_LR10_EL2 __SYS__LR8_EL2(2)
526 #define SYS_ICH_LR11_EL2 __SYS__LR8_EL2(3)
527 #define SYS_ICH_LR12_EL2 __SYS__LR8_EL2(4)
528 #define SYS_ICH_LR13_EL2 __SYS__LR8_EL2(5)
529 #define SYS_ICH_LR14_EL2 __SYS__LR8_EL2(6)
530 #define SYS_ICH_LR15_EL2 __SYS__LR8_EL2(7)
532 /* VHE encodings for architectural EL0/1 system registers */
533 #define SYS_SCTLR_EL12 sys_reg(3, 5, 1, 0, 0)
534 #define SYS_CPACR_EL12 sys_reg(3, 5, 1, 0, 2)
535 #define SYS_ZCR_EL12 sys_reg(3, 5, 1, 2, 0)
536 #define SYS_TTBR0_EL12 sys_reg(3, 5, 2, 0, 0)
537 #define SYS_TTBR1_EL12 sys_reg(3, 5, 2, 0, 1)
538 #define SYS_TCR_EL12 sys_reg(3, 5, 2, 0, 2)
539 #define SYS_SPSR_EL12 sys_reg(3, 5, 4, 0, 0)
540 #define SYS_ELR_EL12 sys_reg(3, 5, 4, 0, 1)
541 #define SYS_AFSR0_EL12 sys_reg(3, 5, 5, 1, 0)
542 #define SYS_AFSR1_EL12 sys_reg(3, 5, 5, 1, 1)
543 #define SYS_ESR_EL12 sys_reg(3, 5, 5, 2, 0)
544 #define SYS_TFSR_EL12 sys_reg(3, 5, 5, 6, 0)
545 #define SYS_FAR_EL12 sys_reg(3, 5, 6, 0, 0)
546 #define SYS_MAIR_EL12 sys_reg(3, 5, 10, 2, 0)
547 #define SYS_AMAIR_EL12 sys_reg(3, 5, 10, 3, 0)
548 #define SYS_VBAR_EL12 sys_reg(3, 5, 12, 0, 0)
549 #define SYS_CONTEXTIDR_EL12 sys_reg(3, 5, 13, 0, 1)
550 #define SYS_CNTKCTL_EL12 sys_reg(3, 5, 14, 1, 0)
551 #define SYS_CNTP_TVAL_EL02 sys_reg(3, 5, 14, 2, 0)
552 #define SYS_CNTP_CTL_EL02 sys_reg(3, 5, 14, 2, 1)
553 #define SYS_CNTP_CVAL_EL02 sys_reg(3, 5, 14, 2, 2)
554 #define SYS_CNTV_TVAL_EL02 sys_reg(3, 5, 14, 3, 0)
555 #define SYS_CNTV_CTL_EL02 sys_reg(3, 5, 14, 3, 1)
556 #define SYS_CNTV_CVAL_EL02 sys_reg(3, 5, 14, 3, 2)
558 /* Common SCTLR_ELx flags. */
559 #define SCTLR_ELx_DSSBS (BIT(44))
560 #define SCTLR_ELx_ATA (BIT(43))
562 #define SCTLR_ELx_TCF_SHIFT 40
563 #define SCTLR_ELx_TCF_NONE (UL(0x0) << SCTLR_ELx_TCF_SHIFT)
564 #define SCTLR_ELx_TCF_SYNC (UL(0x1) << SCTLR_ELx_TCF_SHIFT)
565 #define SCTLR_ELx_TCF_ASYNC (UL(0x2) << SCTLR_ELx_TCF_SHIFT)
566 #define SCTLR_ELx_TCF_MASK (UL(0x3) << SCTLR_ELx_TCF_SHIFT)
568 #define SCTLR_ELx_ITFSB (BIT(37))
569 #define SCTLR_ELx_ENIA (BIT(31))
570 #define SCTLR_ELx_ENIB (BIT(30))
571 #define SCTLR_ELx_ENDA (BIT(27))
572 #define SCTLR_ELx_EE (BIT(25))
573 #define SCTLR_ELx_IESB (BIT(21))
574 #define SCTLR_ELx_WXN (BIT(19))
575 #define SCTLR_ELx_ENDB (BIT(13))
576 #define SCTLR_ELx_I (BIT(12))
577 #define SCTLR_ELx_SA (BIT(3))
578 #define SCTLR_ELx_C (BIT(2))
579 #define SCTLR_ELx_A (BIT(1))
580 #define SCTLR_ELx_M (BIT(0))
582 #define SCTLR_ELx_FLAGS (SCTLR_ELx_M | SCTLR_ELx_A | SCTLR_ELx_C | \
583 SCTLR_ELx_SA | SCTLR_ELx_I | SCTLR_ELx_IESB)
585 /* SCTLR_EL2 specific flags. */
586 #define SCTLR_EL2_RES1 ((BIT(4)) | (BIT(5)) | (BIT(11)) | (BIT(16)) | \
587 (BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \
590 #ifdef CONFIG_CPU_BIG_ENDIAN
591 #define ENDIAN_SET_EL2 SCTLR_ELx_EE
593 #define ENDIAN_SET_EL2 0
596 #define INIT_SCTLR_EL2_MMU_OFF \
597 (SCTLR_EL2_RES1 | ENDIAN_SET_EL2)
599 /* SCTLR_EL1 specific flags. */
600 #define SCTLR_EL1_ATA0 (BIT(42))
602 #define SCTLR_EL1_TCF0_SHIFT 38
603 #define SCTLR_EL1_TCF0_NONE (UL(0x0) << SCTLR_EL1_TCF0_SHIFT)
604 #define SCTLR_EL1_TCF0_SYNC (UL(0x1) << SCTLR_EL1_TCF0_SHIFT)
605 #define SCTLR_EL1_TCF0_ASYNC (UL(0x2) << SCTLR_EL1_TCF0_SHIFT)
606 #define SCTLR_EL1_TCF0_MASK (UL(0x3) << SCTLR_EL1_TCF0_SHIFT)
608 #define SCTLR_EL1_BT1 (BIT(36))
609 #define SCTLR_EL1_BT0 (BIT(35))
610 #define SCTLR_EL1_UCI (BIT(26))
611 #define SCTLR_EL1_E0E (BIT(24))
612 #define SCTLR_EL1_SPAN (BIT(23))
613 #define SCTLR_EL1_NTWE (BIT(18))
614 #define SCTLR_EL1_NTWI (BIT(16))
615 #define SCTLR_EL1_UCT (BIT(15))
616 #define SCTLR_EL1_DZE (BIT(14))
617 #define SCTLR_EL1_UMA (BIT(9))
618 #define SCTLR_EL1_SED (BIT(8))
619 #define SCTLR_EL1_ITD (BIT(7))
620 #define SCTLR_EL1_CP15BEN (BIT(5))
621 #define SCTLR_EL1_SA0 (BIT(4))
623 #define SCTLR_EL1_RES1 ((BIT(11)) | (BIT(20)) | (BIT(22)) | (BIT(28)) | \
626 #ifdef CONFIG_CPU_BIG_ENDIAN
627 #define ENDIAN_SET_EL1 (SCTLR_EL1_E0E | SCTLR_ELx_EE)
629 #define ENDIAN_SET_EL1 0
632 #define INIT_SCTLR_EL1_MMU_OFF \
633 (ENDIAN_SET_EL1 | SCTLR_EL1_RES1)
635 #define INIT_SCTLR_EL1_MMU_ON \
636 (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA | SCTLR_EL1_SA0 | \
637 SCTLR_EL1_SED | SCTLR_ELx_I | SCTLR_EL1_DZE | SCTLR_EL1_UCT | \
638 SCTLR_EL1_NTWE | SCTLR_ELx_IESB | SCTLR_EL1_SPAN | SCTLR_ELx_ITFSB | \
639 SCTLR_ELx_ATA | SCTLR_EL1_ATA0 | ENDIAN_SET_EL1 | SCTLR_EL1_UCI | \
642 /* MAIR_ELx memory attributes (used by Linux) */
643 #define MAIR_ATTR_DEVICE_nGnRnE UL(0x00)
644 #define MAIR_ATTR_DEVICE_nGnRE UL(0x04)
645 #define MAIR_ATTR_DEVICE_GRE UL(0x0c)
646 #define MAIR_ATTR_NORMAL_NC UL(0x44)
647 #define MAIR_ATTR_NORMAL_WT UL(0xbb)
648 #define MAIR_ATTR_NORMAL_TAGGED UL(0xf0)
649 #define MAIR_ATTR_NORMAL UL(0xff)
650 #define MAIR_ATTR_MASK UL(0xff)
652 /* Position the attr at the correct index */
653 #define MAIR_ATTRIDX(attr, idx) ((attr) << ((idx) * 8))
656 #define ID_AA64ISAR0_RNDR_SHIFT 60
657 #define ID_AA64ISAR0_TLB_SHIFT 56
658 #define ID_AA64ISAR0_TS_SHIFT 52
659 #define ID_AA64ISAR0_FHM_SHIFT 48
660 #define ID_AA64ISAR0_DP_SHIFT 44
661 #define ID_AA64ISAR0_SM4_SHIFT 40
662 #define ID_AA64ISAR0_SM3_SHIFT 36
663 #define ID_AA64ISAR0_SHA3_SHIFT 32
664 #define ID_AA64ISAR0_RDM_SHIFT 28
665 #define ID_AA64ISAR0_ATOMICS_SHIFT 20
666 #define ID_AA64ISAR0_CRC32_SHIFT 16
667 #define ID_AA64ISAR0_SHA2_SHIFT 12
668 #define ID_AA64ISAR0_SHA1_SHIFT 8
669 #define ID_AA64ISAR0_AES_SHIFT 4
671 #define ID_AA64ISAR0_TLB_RANGE_NI 0x0
672 #define ID_AA64ISAR0_TLB_RANGE 0x2
675 #define ID_AA64ISAR1_I8MM_SHIFT 52
676 #define ID_AA64ISAR1_DGH_SHIFT 48
677 #define ID_AA64ISAR1_BF16_SHIFT 44
678 #define ID_AA64ISAR1_SPECRES_SHIFT 40
679 #define ID_AA64ISAR1_SB_SHIFT 36
680 #define ID_AA64ISAR1_FRINTTS_SHIFT 32
681 #define ID_AA64ISAR1_GPI_SHIFT 28
682 #define ID_AA64ISAR1_GPA_SHIFT 24
683 #define ID_AA64ISAR1_LRCPC_SHIFT 20
684 #define ID_AA64ISAR1_FCMA_SHIFT 16
685 #define ID_AA64ISAR1_JSCVT_SHIFT 12
686 #define ID_AA64ISAR1_API_SHIFT 8
687 #define ID_AA64ISAR1_APA_SHIFT 4
688 #define ID_AA64ISAR1_DPB_SHIFT 0
690 #define ID_AA64ISAR1_APA_NI 0x0
691 #define ID_AA64ISAR1_APA_ARCHITECTED 0x1
692 #define ID_AA64ISAR1_APA_ARCH_EPAC 0x2
693 #define ID_AA64ISAR1_APA_ARCH_EPAC2 0x3
694 #define ID_AA64ISAR1_APA_ARCH_EPAC2_FPAC 0x4
695 #define ID_AA64ISAR1_APA_ARCH_EPAC2_FPAC_CMB 0x5
696 #define ID_AA64ISAR1_API_NI 0x0
697 #define ID_AA64ISAR1_API_IMP_DEF 0x1
698 #define ID_AA64ISAR1_API_IMP_DEF_EPAC 0x2
699 #define ID_AA64ISAR1_API_IMP_DEF_EPAC2 0x3
700 #define ID_AA64ISAR1_API_IMP_DEF_EPAC2_FPAC 0x4
701 #define ID_AA64ISAR1_API_IMP_DEF_EPAC2_FPAC_CMB 0x5
702 #define ID_AA64ISAR1_GPA_NI 0x0
703 #define ID_AA64ISAR1_GPA_ARCHITECTED 0x1
704 #define ID_AA64ISAR1_GPI_NI 0x0
705 #define ID_AA64ISAR1_GPI_IMP_DEF 0x1
708 #define ID_AA64PFR0_CSV3_SHIFT 60
709 #define ID_AA64PFR0_CSV2_SHIFT 56
710 #define ID_AA64PFR0_DIT_SHIFT 48
711 #define ID_AA64PFR0_AMU_SHIFT 44
712 #define ID_AA64PFR0_MPAM_SHIFT 40
713 #define ID_AA64PFR0_SEL2_SHIFT 36
714 #define ID_AA64PFR0_SVE_SHIFT 32
715 #define ID_AA64PFR0_RAS_SHIFT 28
716 #define ID_AA64PFR0_GIC_SHIFT 24
717 #define ID_AA64PFR0_ASIMD_SHIFT 20
718 #define ID_AA64PFR0_FP_SHIFT 16
719 #define ID_AA64PFR0_EL3_SHIFT 12
720 #define ID_AA64PFR0_EL2_SHIFT 8
721 #define ID_AA64PFR0_EL1_SHIFT 4
722 #define ID_AA64PFR0_EL0_SHIFT 0
724 #define ID_AA64PFR0_AMU 0x1
725 #define ID_AA64PFR0_SVE 0x1
726 #define ID_AA64PFR0_RAS_V1 0x1
727 #define ID_AA64PFR0_FP_NI 0xf
728 #define ID_AA64PFR0_FP_SUPPORTED 0x0
729 #define ID_AA64PFR0_ASIMD_NI 0xf
730 #define ID_AA64PFR0_ASIMD_SUPPORTED 0x0
731 #define ID_AA64PFR0_EL1_64BIT_ONLY 0x1
732 #define ID_AA64PFR0_EL1_32BIT_64BIT 0x2
733 #define ID_AA64PFR0_EL0_64BIT_ONLY 0x1
734 #define ID_AA64PFR0_EL0_32BIT_64BIT 0x2
737 #define ID_AA64PFR1_MPAMFRAC_SHIFT 16
738 #define ID_AA64PFR1_RASFRAC_SHIFT 12
739 #define ID_AA64PFR1_MTE_SHIFT 8
740 #define ID_AA64PFR1_SSBS_SHIFT 4
741 #define ID_AA64PFR1_BT_SHIFT 0
743 #define ID_AA64PFR1_SSBS_PSTATE_NI 0
744 #define ID_AA64PFR1_SSBS_PSTATE_ONLY 1
745 #define ID_AA64PFR1_SSBS_PSTATE_INSNS 2
746 #define ID_AA64PFR1_BT_BTI 0x1
748 #define ID_AA64PFR1_MTE_NI 0x0
749 #define ID_AA64PFR1_MTE_EL0 0x1
750 #define ID_AA64PFR1_MTE 0x2
753 #define ID_AA64ZFR0_F64MM_SHIFT 56
754 #define ID_AA64ZFR0_F32MM_SHIFT 52
755 #define ID_AA64ZFR0_I8MM_SHIFT 44
756 #define ID_AA64ZFR0_SM4_SHIFT 40
757 #define ID_AA64ZFR0_SHA3_SHIFT 32
758 #define ID_AA64ZFR0_BF16_SHIFT 20
759 #define ID_AA64ZFR0_BITPERM_SHIFT 16
760 #define ID_AA64ZFR0_AES_SHIFT 4
761 #define ID_AA64ZFR0_SVEVER_SHIFT 0
763 #define ID_AA64ZFR0_F64MM 0x1
764 #define ID_AA64ZFR0_F32MM 0x1
765 #define ID_AA64ZFR0_I8MM 0x1
766 #define ID_AA64ZFR0_BF16 0x1
767 #define ID_AA64ZFR0_SM4 0x1
768 #define ID_AA64ZFR0_SHA3 0x1
769 #define ID_AA64ZFR0_BITPERM 0x1
770 #define ID_AA64ZFR0_AES 0x1
771 #define ID_AA64ZFR0_AES_PMULL 0x2
772 #define ID_AA64ZFR0_SVEVER_SVE2 0x1
775 #define ID_AA64MMFR0_ECV_SHIFT 60
776 #define ID_AA64MMFR0_FGT_SHIFT 56
777 #define ID_AA64MMFR0_EXS_SHIFT 44
778 #define ID_AA64MMFR0_TGRAN4_2_SHIFT 40
779 #define ID_AA64MMFR0_TGRAN64_2_SHIFT 36
780 #define ID_AA64MMFR0_TGRAN16_2_SHIFT 32
781 #define ID_AA64MMFR0_TGRAN4_SHIFT 28
782 #define ID_AA64MMFR0_TGRAN64_SHIFT 24
783 #define ID_AA64MMFR0_TGRAN16_SHIFT 20
784 #define ID_AA64MMFR0_BIGENDEL0_SHIFT 16
785 #define ID_AA64MMFR0_SNSMEM_SHIFT 12
786 #define ID_AA64MMFR0_BIGENDEL_SHIFT 8
787 #define ID_AA64MMFR0_ASID_SHIFT 4
788 #define ID_AA64MMFR0_PARANGE_SHIFT 0
790 #define ID_AA64MMFR0_TGRAN4_NI 0xf
791 #define ID_AA64MMFR0_TGRAN4_SUPPORTED 0x0
792 #define ID_AA64MMFR0_TGRAN64_NI 0xf
793 #define ID_AA64MMFR0_TGRAN64_SUPPORTED 0x0
794 #define ID_AA64MMFR0_TGRAN16_NI 0x0
795 #define ID_AA64MMFR0_TGRAN16_SUPPORTED 0x1
796 #define ID_AA64MMFR0_PARANGE_48 0x5
797 #define ID_AA64MMFR0_PARANGE_52 0x6
799 #ifdef CONFIG_ARM64_PA_BITS_52
800 #define ID_AA64MMFR0_PARANGE_MAX ID_AA64MMFR0_PARANGE_52
802 #define ID_AA64MMFR0_PARANGE_MAX ID_AA64MMFR0_PARANGE_48
806 #define ID_AA64MMFR1_ETS_SHIFT 36
807 #define ID_AA64MMFR1_TWED_SHIFT 32
808 #define ID_AA64MMFR1_XNX_SHIFT 28
809 #define ID_AA64MMFR1_SPECSEI_SHIFT 24
810 #define ID_AA64MMFR1_PAN_SHIFT 20
811 #define ID_AA64MMFR1_LOR_SHIFT 16
812 #define ID_AA64MMFR1_HPD_SHIFT 12
813 #define ID_AA64MMFR1_VHE_SHIFT 8
814 #define ID_AA64MMFR1_VMIDBITS_SHIFT 4
815 #define ID_AA64MMFR1_HADBS_SHIFT 0
817 #define ID_AA64MMFR1_VMIDBITS_8 0
818 #define ID_AA64MMFR1_VMIDBITS_16 2
821 #define ID_AA64MMFR2_E0PD_SHIFT 60
822 #define ID_AA64MMFR2_EVT_SHIFT 56
823 #define ID_AA64MMFR2_BBM_SHIFT 52
824 #define ID_AA64MMFR2_TTL_SHIFT 48
825 #define ID_AA64MMFR2_FWB_SHIFT 40
826 #define ID_AA64MMFR2_IDS_SHIFT 36
827 #define ID_AA64MMFR2_AT_SHIFT 32
828 #define ID_AA64MMFR2_ST_SHIFT 28
829 #define ID_AA64MMFR2_NV_SHIFT 24
830 #define ID_AA64MMFR2_CCIDX_SHIFT 20
831 #define ID_AA64MMFR2_LVA_SHIFT 16
832 #define ID_AA64MMFR2_IESB_SHIFT 12
833 #define ID_AA64MMFR2_LSM_SHIFT 8
834 #define ID_AA64MMFR2_UAO_SHIFT 4
835 #define ID_AA64MMFR2_CNP_SHIFT 0
838 #define ID_AA64DFR0_TRACE_FILT_SHIFT 40
839 #define ID_AA64DFR0_DOUBLELOCK_SHIFT 36
840 #define ID_AA64DFR0_PMSVER_SHIFT 32
841 #define ID_AA64DFR0_CTX_CMPS_SHIFT 28
842 #define ID_AA64DFR0_WRPS_SHIFT 20
843 #define ID_AA64DFR0_BRPS_SHIFT 12
844 #define ID_AA64DFR0_PMUVER_SHIFT 8
845 #define ID_AA64DFR0_TRACEVER_SHIFT 4
846 #define ID_AA64DFR0_DEBUGVER_SHIFT 0
848 #define ID_AA64DFR0_PMUVER_8_0 0x1
849 #define ID_AA64DFR0_PMUVER_8_1 0x4
850 #define ID_AA64DFR0_PMUVER_8_4 0x5
851 #define ID_AA64DFR0_PMUVER_8_5 0x6
852 #define ID_AA64DFR0_PMUVER_IMP_DEF 0xf
854 #define ID_AA64DFR0_PMSVER_8_2 0x1
855 #define ID_AA64DFR0_PMSVER_8_3 0x2
857 #define ID_DFR0_PERFMON_SHIFT 24
859 #define ID_DFR0_PERFMON_8_0 0x3
860 #define ID_DFR0_PERFMON_8_1 0x4
861 #define ID_DFR0_PERFMON_8_4 0x5
862 #define ID_DFR0_PERFMON_8_5 0x6
864 #define ID_ISAR4_SWP_FRAC_SHIFT 28
865 #define ID_ISAR4_PSR_M_SHIFT 24
866 #define ID_ISAR4_SYNCH_PRIM_FRAC_SHIFT 20
867 #define ID_ISAR4_BARRIER_SHIFT 16
868 #define ID_ISAR4_SMC_SHIFT 12
869 #define ID_ISAR4_WRITEBACK_SHIFT 8
870 #define ID_ISAR4_WITHSHIFTS_SHIFT 4
871 #define ID_ISAR4_UNPRIV_SHIFT 0
873 #define ID_DFR1_MTPMU_SHIFT 0
875 #define ID_ISAR0_DIVIDE_SHIFT 24
876 #define ID_ISAR0_DEBUG_SHIFT 20
877 #define ID_ISAR0_COPROC_SHIFT 16
878 #define ID_ISAR0_CMPBRANCH_SHIFT 12
879 #define ID_ISAR0_BITFIELD_SHIFT 8
880 #define ID_ISAR0_BITCOUNT_SHIFT 4
881 #define ID_ISAR0_SWAP_SHIFT 0
883 #define ID_ISAR5_RDM_SHIFT 24
884 #define ID_ISAR5_CRC32_SHIFT 16
885 #define ID_ISAR5_SHA2_SHIFT 12
886 #define ID_ISAR5_SHA1_SHIFT 8
887 #define ID_ISAR5_AES_SHIFT 4
888 #define ID_ISAR5_SEVL_SHIFT 0
890 #define ID_ISAR6_I8MM_SHIFT 24
891 #define ID_ISAR6_BF16_SHIFT 20
892 #define ID_ISAR6_SPECRES_SHIFT 16
893 #define ID_ISAR6_SB_SHIFT 12
894 #define ID_ISAR6_FHM_SHIFT 8
895 #define ID_ISAR6_DP_SHIFT 4
896 #define ID_ISAR6_JSCVT_SHIFT 0
898 #define ID_MMFR0_INNERSHR_SHIFT 28
899 #define ID_MMFR0_FCSE_SHIFT 24
900 #define ID_MMFR0_AUXREG_SHIFT 20
901 #define ID_MMFR0_TCM_SHIFT 16
902 #define ID_MMFR0_SHARELVL_SHIFT 12
903 #define ID_MMFR0_OUTERSHR_SHIFT 8
904 #define ID_MMFR0_PMSA_SHIFT 4
905 #define ID_MMFR0_VMSA_SHIFT 0
907 #define ID_MMFR4_EVT_SHIFT 28
908 #define ID_MMFR4_CCIDX_SHIFT 24
909 #define ID_MMFR4_LSM_SHIFT 20
910 #define ID_MMFR4_HPDS_SHIFT 16
911 #define ID_MMFR4_CNP_SHIFT 12
912 #define ID_MMFR4_XNX_SHIFT 8
913 #define ID_MMFR4_AC2_SHIFT 4
914 #define ID_MMFR4_SPECSEI_SHIFT 0
916 #define ID_MMFR5_ETS_SHIFT 0
918 #define ID_PFR0_DIT_SHIFT 24
919 #define ID_PFR0_CSV2_SHIFT 16
920 #define ID_PFR0_STATE3_SHIFT 12
921 #define ID_PFR0_STATE2_SHIFT 8
922 #define ID_PFR0_STATE1_SHIFT 4
923 #define ID_PFR0_STATE0_SHIFT 0
925 #define ID_DFR0_PERFMON_SHIFT 24
926 #define ID_DFR0_MPROFDBG_SHIFT 20
927 #define ID_DFR0_MMAPTRC_SHIFT 16
928 #define ID_DFR0_COPTRC_SHIFT 12
929 #define ID_DFR0_MMAPDBG_SHIFT 8
930 #define ID_DFR0_COPSDBG_SHIFT 4
931 #define ID_DFR0_COPDBG_SHIFT 0
933 #define ID_PFR2_SSBS_SHIFT 4
934 #define ID_PFR2_CSV3_SHIFT 0
936 #define MVFR0_FPROUND_SHIFT 28
937 #define MVFR0_FPSHVEC_SHIFT 24
938 #define MVFR0_FPSQRT_SHIFT 20
939 #define MVFR0_FPDIVIDE_SHIFT 16
940 #define MVFR0_FPTRAP_SHIFT 12
941 #define MVFR0_FPDP_SHIFT 8
942 #define MVFR0_FPSP_SHIFT 4
943 #define MVFR0_SIMD_SHIFT 0
945 #define MVFR1_SIMDFMAC_SHIFT 28
946 #define MVFR1_FPHP_SHIFT 24
947 #define MVFR1_SIMDHP_SHIFT 20
948 #define MVFR1_SIMDSP_SHIFT 16
949 #define MVFR1_SIMDINT_SHIFT 12
950 #define MVFR1_SIMDLS_SHIFT 8
951 #define MVFR1_FPDNAN_SHIFT 4
952 #define MVFR1_FPFTZ_SHIFT 0
954 #define ID_PFR1_GIC_SHIFT 28
955 #define ID_PFR1_VIRT_FRAC_SHIFT 24
956 #define ID_PFR1_SEC_FRAC_SHIFT 20
957 #define ID_PFR1_GENTIMER_SHIFT 16
958 #define ID_PFR1_VIRTUALIZATION_SHIFT 12
959 #define ID_PFR1_MPROGMOD_SHIFT 8
960 #define ID_PFR1_SECURITY_SHIFT 4
961 #define ID_PFR1_PROGMOD_SHIFT 0
963 #if defined(CONFIG_ARM64_4K_PAGES)
964 #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN4_SHIFT
965 #define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN4_SUPPORTED
966 #elif defined(CONFIG_ARM64_16K_PAGES)
967 #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN16_SHIFT
968 #define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN16_SUPPORTED
969 #elif defined(CONFIG_ARM64_64K_PAGES)
970 #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN64_SHIFT
971 #define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN64_SUPPORTED
974 #define MVFR2_FPMISC_SHIFT 4
975 #define MVFR2_SIMDMISC_SHIFT 0
977 #define DCZID_DZP_SHIFT 4
978 #define DCZID_BS_SHIFT 0
981 * The ZCR_ELx_LEN_* definitions intentionally include bits [8:4] which
982 * are reserved by the SVE architecture for future expansion of the LEN
983 * field, with compatible semantics.
985 #define ZCR_ELx_LEN_SHIFT 0
986 #define ZCR_ELx_LEN_SIZE 9
987 #define ZCR_ELx_LEN_MASK 0x1ff
989 #define CPACR_EL1_ZEN_EL1EN (BIT(16)) /* enable EL1 access */
990 #define CPACR_EL1_ZEN_EL0EN (BIT(17)) /* enable EL0 access, if EL1EN set */
991 #define CPACR_EL1_ZEN (CPACR_EL1_ZEN_EL1EN | CPACR_EL1_ZEN_EL0EN)
993 /* TCR EL1 Bit Definitions */
994 #define SYS_TCR_EL1_TCMA1 (BIT(58))
995 #define SYS_TCR_EL1_TCMA0 (BIT(57))
997 /* GCR_EL1 Definitions */
998 #define SYS_GCR_EL1_RRND (BIT(16))
999 #define SYS_GCR_EL1_EXCL_MASK 0xffffUL
1001 /* RGSR_EL1 Definitions */
1002 #define SYS_RGSR_EL1_TAG_MASK 0xfUL
1003 #define SYS_RGSR_EL1_SEED_SHIFT 8
1004 #define SYS_RGSR_EL1_SEED_MASK 0xffffUL
1006 /* GMID_EL1 field definitions */
1007 #define SYS_GMID_EL1_BS_SHIFT 0
1008 #define SYS_GMID_EL1_BS_SIZE 4
1010 /* TFSR{,E0}_EL1 bit definitions */
1011 #define SYS_TFSR_EL1_TF0_SHIFT 0
1012 #define SYS_TFSR_EL1_TF1_SHIFT 1
1013 #define SYS_TFSR_EL1_TF0 (UL(1) << SYS_TFSR_EL1_TF0_SHIFT)
1014 #define SYS_TFSR_EL1_TF1 (UL(1) << SYS_TFSR_EL1_TF1_SHIFT)
1016 /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */
1017 #define SYS_MPIDR_SAFE_VAL (BIT(31))
1019 #define TRFCR_ELx_TS_SHIFT 5
1020 #define TRFCR_ELx_TS_VIRTUAL ((0x1UL) << TRFCR_ELx_TS_SHIFT)
1021 #define TRFCR_ELx_TS_GUEST_PHYSICAL ((0x2UL) << TRFCR_ELx_TS_SHIFT)
1022 #define TRFCR_ELx_TS_PHYSICAL ((0x3UL) << TRFCR_ELx_TS_SHIFT)
1023 #define TRFCR_EL2_CX BIT(3)
1024 #define TRFCR_ELx_ExTRE BIT(1)
1025 #define TRFCR_ELx_E0TRE BIT(0)
1029 .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
1030 .equ .L__reg_num_x\num, \num
1032 .equ .L__reg_num_xzr, 31
1034 .macro mrs_s, rt, sreg
1035 __emit_inst(0xd5200000|(\sreg)|(.L__reg_num_\rt))
1038 .macro msr_s, sreg, rt
1039 __emit_inst(0xd5000000|(\sreg)|(.L__reg_num_\rt))
1044 #include <linux/build_bug.h>
1045 #include <linux/types.h>
1046 #include <asm/alternative.h>
1048 #define __DEFINE_MRS_MSR_S_REGNUM \
1049 " .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" \
1050 " .equ .L__reg_num_x\\num, \\num\n" \
1052 " .equ .L__reg_num_xzr, 31\n"
1054 #define DEFINE_MRS_S \
1055 __DEFINE_MRS_MSR_S_REGNUM \
1056 " .macro mrs_s, rt, sreg\n" \
1057 __emit_inst(0xd5200000|(\\sreg)|(.L__reg_num_\\rt)) \
1060 #define DEFINE_MSR_S \
1061 __DEFINE_MRS_MSR_S_REGNUM \
1062 " .macro msr_s, sreg, rt\n" \
1063 __emit_inst(0xd5000000|(\\sreg)|(.L__reg_num_\\rt)) \
1066 #define UNDEFINE_MRS_S \
1069 #define UNDEFINE_MSR_S \
1072 #define __mrs_s(v, r) \
1074 " mrs_s " v ", " __stringify(r) "\n" \
1077 #define __msr_s(r, v) \
1079 " msr_s " __stringify(r) ", " v "\n" \
1083 * Unlike read_cpuid, calls to read_sysreg are never expected to be
1084 * optimized away or replaced with synthetic values.
1086 #define read_sysreg(r) ({ \
1088 asm volatile("mrs %0, " __stringify(r) : "=r" (__val)); \
1093 * The "Z" constraint normally means a zero immediate, but when combined with
1094 * the "%x0" template means XZR.
1096 #define write_sysreg(v, r) do { \
1097 u64 __val = (u64)(v); \
1098 asm volatile("msr " __stringify(r) ", %x0" \
1099 : : "rZ" (__val)); \
1103 * For registers without architectural names, or simply unsupported by
1106 #define read_sysreg_s(r) ({ \
1108 asm volatile(__mrs_s("%0", r) : "=r" (__val)); \
1112 #define write_sysreg_s(v, r) do { \
1113 u64 __val = (u64)(v); \
1114 asm volatile(__msr_s(r, "%x0") : : "rZ" (__val)); \
1118 * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the
1119 * set mask are set. Other bits are left as-is.
1121 #define sysreg_clear_set(sysreg, clear, set) do { \
1122 u64 __scs_val = read_sysreg(sysreg); \
1123 u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \
1124 if (__scs_new != __scs_val) \
1125 write_sysreg(__scs_new, sysreg); \
1128 #define sysreg_clear_set_s(sysreg, clear, set) do { \
1129 u64 __scs_val = read_sysreg_s(sysreg); \
1130 u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \
1131 if (__scs_new != __scs_val) \
1132 write_sysreg_s(__scs_new, sysreg); \
1135 #define read_sysreg_par() ({ \
1137 asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412)); \
1138 par = read_sysreg(par_el1); \
1139 asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412)); \
1145 #endif /* __ASM_SYSREG_H */