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 /* 17 * ARMv8 ARM reserves the following encoding for system registers: 18 * (Ref: ARMv8 ARM, Section: "System instruction class encoding overview", 19 * C5.2, version:ARM DDI 0487A.f) 20 * [20-19] : Op0 21 * [18-16] : Op1 22 * [15-12] : CRn 23 * [11-8] : CRm 24 * [7-5] : Op2 25 */ 26 #define Op0_shift 19 27 #define Op0_mask 0x3 28 #define Op1_shift 16 29 #define Op1_mask 0x7 30 #define CRn_shift 12 31 #define CRn_mask 0xf 32 #define CRm_shift 8 33 #define CRm_mask 0xf 34 #define Op2_shift 5 35 #define Op2_mask 0x7 36 37 #define sys_reg(op0, op1, crn, crm, op2) \ 38 (((op0) << Op0_shift) | ((op1) << Op1_shift) | \ 39 ((crn) << CRn_shift) | ((crm) << CRm_shift) | \ 40 ((op2) << Op2_shift)) 41 42 #define sys_insn sys_reg 43 44 #define sys_reg_Op0(id) (((id) >> Op0_shift) & Op0_mask) 45 #define sys_reg_Op1(id) (((id) >> Op1_shift) & Op1_mask) 46 #define sys_reg_CRn(id) (((id) >> CRn_shift) & CRn_mask) 47 #define sys_reg_CRm(id) (((id) >> CRm_shift) & CRm_mask) 48 #define sys_reg_Op2(id) (((id) >> Op2_shift) & Op2_mask) 49 50 #ifndef CONFIG_BROKEN_GAS_INST 51 52 #ifdef __ASSEMBLY__ 53 // The space separator is omitted so that __emit_inst(x) can be parsed as 54 // either an assembler directive or an assembler macro argument. 55 #define __emit_inst(x) .inst(x) 56 #else 57 #define __emit_inst(x) ".inst " __stringify((x)) "\n\t" 58 #endif 59 60 #else /* CONFIG_BROKEN_GAS_INST */ 61 62 #ifndef CONFIG_CPU_BIG_ENDIAN 63 #define __INSTR_BSWAP(x) (x) 64 #else /* CONFIG_CPU_BIG_ENDIAN */ 65 #define __INSTR_BSWAP(x) ((((x) << 24) & 0xff000000) | \ 66 (((x) << 8) & 0x00ff0000) | \ 67 (((x) >> 8) & 0x0000ff00) | \ 68 (((x) >> 24) & 0x000000ff)) 69 #endif /* CONFIG_CPU_BIG_ENDIAN */ 70 71 #ifdef __ASSEMBLY__ 72 #define __emit_inst(x) .long __INSTR_BSWAP(x) 73 #else /* __ASSEMBLY__ */ 74 #define __emit_inst(x) ".long " __stringify(__INSTR_BSWAP(x)) "\n\t" 75 #endif /* __ASSEMBLY__ */ 76 77 #endif /* CONFIG_BROKEN_GAS_INST */ 78 79 /* 80 * Instructions for modifying PSTATE fields. 81 * As per Arm ARM for v8-A, Section "C.5.1.3 op0 == 0b00, architectural hints, 82 * barriers and CLREX, and PSTATE access", ARM DDI 0487 C.a, system instructions 83 * for accessing PSTATE fields have the following encoding: 84 * Op0 = 0, CRn = 4 85 * Op1, Op2 encodes the PSTATE field modified and defines the constraints. 86 * CRm = Imm4 for the instruction. 87 * Rt = 0x1f 88 */ 89 #define pstate_field(op1, op2) ((op1) << Op1_shift | (op2) << Op2_shift) 90 #define PSTATE_Imm_shift CRm_shift 91 92 #define PSTATE_PAN pstate_field(0, 4) 93 #define PSTATE_UAO pstate_field(0, 3) 94 #define PSTATE_SSBS pstate_field(3, 1) 95 #define PSTATE_TCO pstate_field(3, 4) 96 97 #define SET_PSTATE_PAN(x) __emit_inst(0xd500401f | PSTATE_PAN | ((!!x) << PSTATE_Imm_shift)) 98 #define SET_PSTATE_UAO(x) __emit_inst(0xd500401f | PSTATE_UAO | ((!!x) << PSTATE_Imm_shift)) 99 #define SET_PSTATE_SSBS(x) __emit_inst(0xd500401f | PSTATE_SSBS | ((!!x) << PSTATE_Imm_shift)) 100 #define SET_PSTATE_TCO(x) __emit_inst(0xd500401f | PSTATE_TCO | ((!!x) << PSTATE_Imm_shift)) 101 102 #define set_pstate_pan(x) asm volatile(SET_PSTATE_PAN(x)) 103 #define set_pstate_uao(x) asm volatile(SET_PSTATE_UAO(x)) 104 #define set_pstate_ssbs(x) asm volatile(SET_PSTATE_SSBS(x)) 105 106 #define __SYS_BARRIER_INSN(CRm, op2, Rt) \ 107 __emit_inst(0xd5000000 | sys_insn(0, 3, 3, (CRm), (op2)) | ((Rt) & 0x1f)) 108 109 #define SB_BARRIER_INSN __SYS_BARRIER_INSN(0, 7, 31) 110 111 #define SYS_DC_ISW sys_insn(1, 0, 7, 6, 2) 112 #define SYS_DC_CSW sys_insn(1, 0, 7, 10, 2) 113 #define SYS_DC_CISW sys_insn(1, 0, 7, 14, 2) 114 115 /* 116 * System registers, organised loosely by encoding but grouped together 117 * where the architected name contains an index. e.g. ID_MMFR<n>_EL1. 118 */ 119 #define SYS_OSDTRRX_EL1 sys_reg(2, 0, 0, 0, 2) 120 #define SYS_MDCCINT_EL1 sys_reg(2, 0, 0, 2, 0) 121 #define SYS_MDSCR_EL1 sys_reg(2, 0, 0, 2, 2) 122 #define SYS_OSDTRTX_EL1 sys_reg(2, 0, 0, 3, 2) 123 #define SYS_OSECCR_EL1 sys_reg(2, 0, 0, 6, 2) 124 #define SYS_DBGBVRn_EL1(n) sys_reg(2, 0, 0, n, 4) 125 #define SYS_DBGBCRn_EL1(n) sys_reg(2, 0, 0, n, 5) 126 #define SYS_DBGWVRn_EL1(n) sys_reg(2, 0, 0, n, 6) 127 #define SYS_DBGWCRn_EL1(n) sys_reg(2, 0, 0, n, 7) 128 #define SYS_MDRAR_EL1 sys_reg(2, 0, 1, 0, 0) 129 #define SYS_OSLAR_EL1 sys_reg(2, 0, 1, 0, 4) 130 #define SYS_OSLSR_EL1 sys_reg(2, 0, 1, 1, 4) 131 #define SYS_OSDLR_EL1 sys_reg(2, 0, 1, 3, 4) 132 #define SYS_DBGPRCR_EL1 sys_reg(2, 0, 1, 4, 4) 133 #define SYS_DBGCLAIMSET_EL1 sys_reg(2, 0, 7, 8, 6) 134 #define SYS_DBGCLAIMCLR_EL1 sys_reg(2, 0, 7, 9, 6) 135 #define SYS_DBGAUTHSTATUS_EL1 sys_reg(2, 0, 7, 14, 6) 136 #define SYS_MDCCSR_EL0 sys_reg(2, 3, 0, 1, 0) 137 #define SYS_DBGDTR_EL0 sys_reg(2, 3, 0, 4, 0) 138 #define SYS_DBGDTRRX_EL0 sys_reg(2, 3, 0, 5, 0) 139 #define SYS_DBGDTRTX_EL0 sys_reg(2, 3, 0, 5, 0) 140 #define SYS_DBGVCR32_EL2 sys_reg(2, 4, 0, 7, 0) 141 142 #define SYS_MIDR_EL1 sys_reg(3, 0, 0, 0, 0) 143 #define SYS_MPIDR_EL1 sys_reg(3, 0, 0, 0, 5) 144 #define SYS_REVIDR_EL1 sys_reg(3, 0, 0, 0, 6) 145 146 #define SYS_ID_PFR0_EL1 sys_reg(3, 0, 0, 1, 0) 147 #define SYS_ID_PFR1_EL1 sys_reg(3, 0, 0, 1, 1) 148 #define SYS_ID_PFR2_EL1 sys_reg(3, 0, 0, 3, 4) 149 #define SYS_ID_DFR0_EL1 sys_reg(3, 0, 0, 1, 2) 150 #define SYS_ID_DFR1_EL1 sys_reg(3, 0, 0, 3, 5) 151 #define SYS_ID_AFR0_EL1 sys_reg(3, 0, 0, 1, 3) 152 #define SYS_ID_MMFR0_EL1 sys_reg(3, 0, 0, 1, 4) 153 #define SYS_ID_MMFR1_EL1 sys_reg(3, 0, 0, 1, 5) 154 #define SYS_ID_MMFR2_EL1 sys_reg(3, 0, 0, 1, 6) 155 #define SYS_ID_MMFR3_EL1 sys_reg(3, 0, 0, 1, 7) 156 #define SYS_ID_MMFR4_EL1 sys_reg(3, 0, 0, 2, 6) 157 #define SYS_ID_MMFR5_EL1 sys_reg(3, 0, 0, 3, 6) 158 159 #define SYS_ID_ISAR0_EL1 sys_reg(3, 0, 0, 2, 0) 160 #define SYS_ID_ISAR1_EL1 sys_reg(3, 0, 0, 2, 1) 161 #define SYS_ID_ISAR2_EL1 sys_reg(3, 0, 0, 2, 2) 162 #define SYS_ID_ISAR3_EL1 sys_reg(3, 0, 0, 2, 3) 163 #define SYS_ID_ISAR4_EL1 sys_reg(3, 0, 0, 2, 4) 164 #define SYS_ID_ISAR5_EL1 sys_reg(3, 0, 0, 2, 5) 165 #define SYS_ID_ISAR6_EL1 sys_reg(3, 0, 0, 2, 7) 166 167 #define SYS_MVFR0_EL1 sys_reg(3, 0, 0, 3, 0) 168 #define SYS_MVFR1_EL1 sys_reg(3, 0, 0, 3, 1) 169 #define SYS_MVFR2_EL1 sys_reg(3, 0, 0, 3, 2) 170 171 #define SYS_ID_AA64PFR0_EL1 sys_reg(3, 0, 0, 4, 0) 172 #define SYS_ID_AA64PFR1_EL1 sys_reg(3, 0, 0, 4, 1) 173 #define SYS_ID_AA64ZFR0_EL1 sys_reg(3, 0, 0, 4, 4) 174 175 #define SYS_ID_AA64DFR0_EL1 sys_reg(3, 0, 0, 5, 0) 176 #define SYS_ID_AA64DFR1_EL1 sys_reg(3, 0, 0, 5, 1) 177 178 #define SYS_ID_AA64AFR0_EL1 sys_reg(3, 0, 0, 5, 4) 179 #define SYS_ID_AA64AFR1_EL1 sys_reg(3, 0, 0, 5, 5) 180 181 #define SYS_ID_AA64ISAR0_EL1 sys_reg(3, 0, 0, 6, 0) 182 #define SYS_ID_AA64ISAR1_EL1 sys_reg(3, 0, 0, 6, 1) 183 #define SYS_ID_AA64ISAR2_EL1 sys_reg(3, 0, 0, 6, 2) 184 185 #define SYS_ID_AA64MMFR0_EL1 sys_reg(3, 0, 0, 7, 0) 186 #define SYS_ID_AA64MMFR1_EL1 sys_reg(3, 0, 0, 7, 1) 187 #define SYS_ID_AA64MMFR2_EL1 sys_reg(3, 0, 0, 7, 2) 188 189 #define SYS_SCTLR_EL1 sys_reg(3, 0, 1, 0, 0) 190 #define SYS_ACTLR_EL1 sys_reg(3, 0, 1, 0, 1) 191 #define SYS_CPACR_EL1 sys_reg(3, 0, 1, 0, 2) 192 #define SYS_RGSR_EL1 sys_reg(3, 0, 1, 0, 5) 193 #define SYS_GCR_EL1 sys_reg(3, 0, 1, 0, 6) 194 195 #define SYS_ZCR_EL1 sys_reg(3, 0, 1, 2, 0) 196 #define SYS_TRFCR_EL1 sys_reg(3, 0, 1, 2, 1) 197 198 #define SYS_TTBR0_EL1 sys_reg(3, 0, 2, 0, 0) 199 #define SYS_TTBR1_EL1 sys_reg(3, 0, 2, 0, 1) 200 #define SYS_TCR_EL1 sys_reg(3, 0, 2, 0, 2) 201 202 #define SYS_APIAKEYLO_EL1 sys_reg(3, 0, 2, 1, 0) 203 #define SYS_APIAKEYHI_EL1 sys_reg(3, 0, 2, 1, 1) 204 #define SYS_APIBKEYLO_EL1 sys_reg(3, 0, 2, 1, 2) 205 #define SYS_APIBKEYHI_EL1 sys_reg(3, 0, 2, 1, 3) 206 207 #define SYS_APDAKEYLO_EL1 sys_reg(3, 0, 2, 2, 0) 208 #define SYS_APDAKEYHI_EL1 sys_reg(3, 0, 2, 2, 1) 209 #define SYS_APDBKEYLO_EL1 sys_reg(3, 0, 2, 2, 2) 210 #define SYS_APDBKEYHI_EL1 sys_reg(3, 0, 2, 2, 3) 211 212 #define SYS_APGAKEYLO_EL1 sys_reg(3, 0, 2, 3, 0) 213 #define SYS_APGAKEYHI_EL1 sys_reg(3, 0, 2, 3, 1) 214 215 #define SYS_SPSR_EL1 sys_reg(3, 0, 4, 0, 0) 216 #define SYS_ELR_EL1 sys_reg(3, 0, 4, 0, 1) 217 218 #define SYS_ICC_PMR_EL1 sys_reg(3, 0, 4, 6, 0) 219 220 #define SYS_AFSR0_EL1 sys_reg(3, 0, 5, 1, 0) 221 #define SYS_AFSR1_EL1 sys_reg(3, 0, 5, 1, 1) 222 #define SYS_ESR_EL1 sys_reg(3, 0, 5, 2, 0) 223 224 #define SYS_ERRIDR_EL1 sys_reg(3, 0, 5, 3, 0) 225 #define SYS_ERRSELR_EL1 sys_reg(3, 0, 5, 3, 1) 226 #define SYS_ERXFR_EL1 sys_reg(3, 0, 5, 4, 0) 227 #define SYS_ERXCTLR_EL1 sys_reg(3, 0, 5, 4, 1) 228 #define SYS_ERXSTATUS_EL1 sys_reg(3, 0, 5, 4, 2) 229 #define SYS_ERXADDR_EL1 sys_reg(3, 0, 5, 4, 3) 230 #define SYS_ERXMISC0_EL1 sys_reg(3, 0, 5, 5, 0) 231 #define SYS_ERXMISC1_EL1 sys_reg(3, 0, 5, 5, 1) 232 #define SYS_TFSR_EL1 sys_reg(3, 0, 5, 6, 0) 233 #define SYS_TFSRE0_EL1 sys_reg(3, 0, 5, 6, 1) 234 235 #define SYS_FAR_EL1 sys_reg(3, 0, 6, 0, 0) 236 #define SYS_PAR_EL1 sys_reg(3, 0, 7, 4, 0) 237 238 #define SYS_PAR_EL1_F BIT(0) 239 #define SYS_PAR_EL1_FST GENMASK(6, 1) 240 241 /*** Statistical Profiling Extension ***/ 242 /* ID registers */ 243 #define SYS_PMSIDR_EL1 sys_reg(3, 0, 9, 9, 7) 244 #define SYS_PMSIDR_EL1_FE_SHIFT 0 245 #define SYS_PMSIDR_EL1_FT_SHIFT 1 246 #define SYS_PMSIDR_EL1_FL_SHIFT 2 247 #define SYS_PMSIDR_EL1_ARCHINST_SHIFT 3 248 #define SYS_PMSIDR_EL1_LDS_SHIFT 4 249 #define SYS_PMSIDR_EL1_ERND_SHIFT 5 250 #define SYS_PMSIDR_EL1_INTERVAL_SHIFT 8 251 #define SYS_PMSIDR_EL1_INTERVAL_MASK 0xfUL 252 #define SYS_PMSIDR_EL1_MAXSIZE_SHIFT 12 253 #define SYS_PMSIDR_EL1_MAXSIZE_MASK 0xfUL 254 #define SYS_PMSIDR_EL1_COUNTSIZE_SHIFT 16 255 #define SYS_PMSIDR_EL1_COUNTSIZE_MASK 0xfUL 256 257 #define SYS_PMBIDR_EL1 sys_reg(3, 0, 9, 10, 7) 258 #define SYS_PMBIDR_EL1_ALIGN_SHIFT 0 259 #define SYS_PMBIDR_EL1_ALIGN_MASK 0xfU 260 #define SYS_PMBIDR_EL1_P_SHIFT 4 261 #define SYS_PMBIDR_EL1_F_SHIFT 5 262 263 /* Sampling controls */ 264 #define SYS_PMSCR_EL1 sys_reg(3, 0, 9, 9, 0) 265 #define SYS_PMSCR_EL1_E0SPE_SHIFT 0 266 #define SYS_PMSCR_EL1_E1SPE_SHIFT 1 267 #define SYS_PMSCR_EL1_CX_SHIFT 3 268 #define SYS_PMSCR_EL1_PA_SHIFT 4 269 #define SYS_PMSCR_EL1_TS_SHIFT 5 270 #define SYS_PMSCR_EL1_PCT_SHIFT 6 271 272 #define SYS_PMSCR_EL2 sys_reg(3, 4, 9, 9, 0) 273 #define SYS_PMSCR_EL2_E0HSPE_SHIFT 0 274 #define SYS_PMSCR_EL2_E2SPE_SHIFT 1 275 #define SYS_PMSCR_EL2_CX_SHIFT 3 276 #define SYS_PMSCR_EL2_PA_SHIFT 4 277 #define SYS_PMSCR_EL2_TS_SHIFT 5 278 #define SYS_PMSCR_EL2_PCT_SHIFT 6 279 280 #define SYS_PMSICR_EL1 sys_reg(3, 0, 9, 9, 2) 281 282 #define SYS_PMSIRR_EL1 sys_reg(3, 0, 9, 9, 3) 283 #define SYS_PMSIRR_EL1_RND_SHIFT 0 284 #define SYS_PMSIRR_EL1_INTERVAL_SHIFT 8 285 #define SYS_PMSIRR_EL1_INTERVAL_MASK 0xffffffUL 286 287 /* Filtering controls */ 288 #define SYS_PMSFCR_EL1 sys_reg(3, 0, 9, 9, 4) 289 #define SYS_PMSFCR_EL1_FE_SHIFT 0 290 #define SYS_PMSFCR_EL1_FT_SHIFT 1 291 #define SYS_PMSFCR_EL1_FL_SHIFT 2 292 #define SYS_PMSFCR_EL1_B_SHIFT 16 293 #define SYS_PMSFCR_EL1_LD_SHIFT 17 294 #define SYS_PMSFCR_EL1_ST_SHIFT 18 295 296 #define SYS_PMSEVFR_EL1 sys_reg(3, 0, 9, 9, 5) 297 #define SYS_PMSEVFR_EL1_RES0 0x0000ffff00ff0f55UL 298 299 #define SYS_PMSLATFR_EL1 sys_reg(3, 0, 9, 9, 6) 300 #define SYS_PMSLATFR_EL1_MINLAT_SHIFT 0 301 302 /* Buffer controls */ 303 #define SYS_PMBLIMITR_EL1 sys_reg(3, 0, 9, 10, 0) 304 #define SYS_PMBLIMITR_EL1_E_SHIFT 0 305 #define SYS_PMBLIMITR_EL1_FM_SHIFT 1 306 #define SYS_PMBLIMITR_EL1_FM_MASK 0x3UL 307 #define SYS_PMBLIMITR_EL1_FM_STOP_IRQ (0 << SYS_PMBLIMITR_EL1_FM_SHIFT) 308 309 #define SYS_PMBPTR_EL1 sys_reg(3, 0, 9, 10, 1) 310 311 /* Buffer error reporting */ 312 #define SYS_PMBSR_EL1 sys_reg(3, 0, 9, 10, 3) 313 #define SYS_PMBSR_EL1_COLL_SHIFT 16 314 #define SYS_PMBSR_EL1_S_SHIFT 17 315 #define SYS_PMBSR_EL1_EA_SHIFT 18 316 #define SYS_PMBSR_EL1_DL_SHIFT 19 317 #define SYS_PMBSR_EL1_EC_SHIFT 26 318 #define SYS_PMBSR_EL1_EC_MASK 0x3fUL 319 320 #define SYS_PMBSR_EL1_EC_BUF (0x0UL << SYS_PMBSR_EL1_EC_SHIFT) 321 #define SYS_PMBSR_EL1_EC_FAULT_S1 (0x24UL << SYS_PMBSR_EL1_EC_SHIFT) 322 #define SYS_PMBSR_EL1_EC_FAULT_S2 (0x25UL << SYS_PMBSR_EL1_EC_SHIFT) 323 324 #define SYS_PMBSR_EL1_FAULT_FSC_SHIFT 0 325 #define SYS_PMBSR_EL1_FAULT_FSC_MASK 0x3fUL 326 327 #define SYS_PMBSR_EL1_BUF_BSC_SHIFT 0 328 #define SYS_PMBSR_EL1_BUF_BSC_MASK 0x3fUL 329 330 #define SYS_PMBSR_EL1_BUF_BSC_FULL (0x1UL << SYS_PMBSR_EL1_BUF_BSC_SHIFT) 331 332 /*** End of Statistical Profiling Extension ***/ 333 334 /* 335 * TRBE Registers 336 */ 337 #define SYS_TRBLIMITR_EL1 sys_reg(3, 0, 9, 11, 0) 338 #define SYS_TRBPTR_EL1 sys_reg(3, 0, 9, 11, 1) 339 #define SYS_TRBBASER_EL1 sys_reg(3, 0, 9, 11, 2) 340 #define SYS_TRBSR_EL1 sys_reg(3, 0, 9, 11, 3) 341 #define SYS_TRBMAR_EL1 sys_reg(3, 0, 9, 11, 4) 342 #define SYS_TRBTRG_EL1 sys_reg(3, 0, 9, 11, 6) 343 #define SYS_TRBIDR_EL1 sys_reg(3, 0, 9, 11, 7) 344 345 #define TRBLIMITR_LIMIT_MASK GENMASK_ULL(51, 0) 346 #define TRBLIMITR_LIMIT_SHIFT 12 347 #define TRBLIMITR_NVM BIT(5) 348 #define TRBLIMITR_TRIG_MODE_MASK GENMASK(1, 0) 349 #define TRBLIMITR_TRIG_MODE_SHIFT 3 350 #define TRBLIMITR_FILL_MODE_MASK GENMASK(1, 0) 351 #define TRBLIMITR_FILL_MODE_SHIFT 1 352 #define TRBLIMITR_ENABLE BIT(0) 353 #define TRBPTR_PTR_MASK GENMASK_ULL(63, 0) 354 #define TRBPTR_PTR_SHIFT 0 355 #define TRBBASER_BASE_MASK GENMASK_ULL(51, 0) 356 #define TRBBASER_BASE_SHIFT 12 357 #define TRBSR_EC_MASK GENMASK(5, 0) 358 #define TRBSR_EC_SHIFT 26 359 #define TRBSR_IRQ BIT(22) 360 #define TRBSR_TRG BIT(21) 361 #define TRBSR_WRAP BIT(20) 362 #define TRBSR_ABORT BIT(18) 363 #define TRBSR_STOP BIT(17) 364 #define TRBSR_MSS_MASK GENMASK(15, 0) 365 #define TRBSR_MSS_SHIFT 0 366 #define TRBSR_BSC_MASK GENMASK(5, 0) 367 #define TRBSR_BSC_SHIFT 0 368 #define TRBSR_FSC_MASK GENMASK(5, 0) 369 #define TRBSR_FSC_SHIFT 0 370 #define TRBMAR_SHARE_MASK GENMASK(1, 0) 371 #define TRBMAR_SHARE_SHIFT 8 372 #define TRBMAR_OUTER_MASK GENMASK(3, 0) 373 #define TRBMAR_OUTER_SHIFT 4 374 #define TRBMAR_INNER_MASK GENMASK(3, 0) 375 #define TRBMAR_INNER_SHIFT 0 376 #define TRBTRG_TRG_MASK GENMASK(31, 0) 377 #define TRBTRG_TRG_SHIFT 0 378 #define TRBIDR_FLAG BIT(5) 379 #define TRBIDR_PROG BIT(4) 380 #define TRBIDR_ALIGN_MASK GENMASK(3, 0) 381 #define TRBIDR_ALIGN_SHIFT 0 382 383 #define SYS_PMINTENSET_EL1 sys_reg(3, 0, 9, 14, 1) 384 #define SYS_PMINTENCLR_EL1 sys_reg(3, 0, 9, 14, 2) 385 386 #define SYS_PMMIR_EL1 sys_reg(3, 0, 9, 14, 6) 387 388 #define SYS_MAIR_EL1 sys_reg(3, 0, 10, 2, 0) 389 #define SYS_AMAIR_EL1 sys_reg(3, 0, 10, 3, 0) 390 391 #define SYS_LORSA_EL1 sys_reg(3, 0, 10, 4, 0) 392 #define SYS_LOREA_EL1 sys_reg(3, 0, 10, 4, 1) 393 #define SYS_LORN_EL1 sys_reg(3, 0, 10, 4, 2) 394 #define SYS_LORC_EL1 sys_reg(3, 0, 10, 4, 3) 395 #define SYS_LORID_EL1 sys_reg(3, 0, 10, 4, 7) 396 397 #define SYS_VBAR_EL1 sys_reg(3, 0, 12, 0, 0) 398 #define SYS_DISR_EL1 sys_reg(3, 0, 12, 1, 1) 399 400 #define SYS_ICC_IAR0_EL1 sys_reg(3, 0, 12, 8, 0) 401 #define SYS_ICC_EOIR0_EL1 sys_reg(3, 0, 12, 8, 1) 402 #define SYS_ICC_HPPIR0_EL1 sys_reg(3, 0, 12, 8, 2) 403 #define SYS_ICC_BPR0_EL1 sys_reg(3, 0, 12, 8, 3) 404 #define SYS_ICC_AP0Rn_EL1(n) sys_reg(3, 0, 12, 8, 4 | n) 405 #define SYS_ICC_AP0R0_EL1 SYS_ICC_AP0Rn_EL1(0) 406 #define SYS_ICC_AP0R1_EL1 SYS_ICC_AP0Rn_EL1(1) 407 #define SYS_ICC_AP0R2_EL1 SYS_ICC_AP0Rn_EL1(2) 408 #define SYS_ICC_AP0R3_EL1 SYS_ICC_AP0Rn_EL1(3) 409 #define SYS_ICC_AP1Rn_EL1(n) sys_reg(3, 0, 12, 9, n) 410 #define SYS_ICC_AP1R0_EL1 SYS_ICC_AP1Rn_EL1(0) 411 #define SYS_ICC_AP1R1_EL1 SYS_ICC_AP1Rn_EL1(1) 412 #define SYS_ICC_AP1R2_EL1 SYS_ICC_AP1Rn_EL1(2) 413 #define SYS_ICC_AP1R3_EL1 SYS_ICC_AP1Rn_EL1(3) 414 #define SYS_ICC_DIR_EL1 sys_reg(3, 0, 12, 11, 1) 415 #define SYS_ICC_RPR_EL1 sys_reg(3, 0, 12, 11, 3) 416 #define SYS_ICC_SGI1R_EL1 sys_reg(3, 0, 12, 11, 5) 417 #define SYS_ICC_ASGI1R_EL1 sys_reg(3, 0, 12, 11, 6) 418 #define SYS_ICC_SGI0R_EL1 sys_reg(3, 0, 12, 11, 7) 419 #define SYS_ICC_IAR1_EL1 sys_reg(3, 0, 12, 12, 0) 420 #define SYS_ICC_EOIR1_EL1 sys_reg(3, 0, 12, 12, 1) 421 #define SYS_ICC_HPPIR1_EL1 sys_reg(3, 0, 12, 12, 2) 422 #define SYS_ICC_BPR1_EL1 sys_reg(3, 0, 12, 12, 3) 423 #define SYS_ICC_CTLR_EL1 sys_reg(3, 0, 12, 12, 4) 424 #define SYS_ICC_SRE_EL1 sys_reg(3, 0, 12, 12, 5) 425 #define SYS_ICC_IGRPEN0_EL1 sys_reg(3, 0, 12, 12, 6) 426 #define SYS_ICC_IGRPEN1_EL1 sys_reg(3, 0, 12, 12, 7) 427 428 #define SYS_CONTEXTIDR_EL1 sys_reg(3, 0, 13, 0, 1) 429 #define SYS_TPIDR_EL1 sys_reg(3, 0, 13, 0, 4) 430 431 #define SYS_SCXTNUM_EL1 sys_reg(3, 0, 13, 0, 7) 432 433 #define SYS_CNTKCTL_EL1 sys_reg(3, 0, 14, 1, 0) 434 435 #define SYS_CCSIDR_EL1 sys_reg(3, 1, 0, 0, 0) 436 #define SYS_CLIDR_EL1 sys_reg(3, 1, 0, 0, 1) 437 #define SYS_GMID_EL1 sys_reg(3, 1, 0, 0, 4) 438 #define SYS_AIDR_EL1 sys_reg(3, 1, 0, 0, 7) 439 440 #define SYS_CSSELR_EL1 sys_reg(3, 2, 0, 0, 0) 441 442 #define SYS_CTR_EL0 sys_reg(3, 3, 0, 0, 1) 443 #define SYS_DCZID_EL0 sys_reg(3, 3, 0, 0, 7) 444 445 #define SYS_RNDR_EL0 sys_reg(3, 3, 2, 4, 0) 446 #define SYS_RNDRRS_EL0 sys_reg(3, 3, 2, 4, 1) 447 448 #define SYS_PMCR_EL0 sys_reg(3, 3, 9, 12, 0) 449 #define SYS_PMCNTENSET_EL0 sys_reg(3, 3, 9, 12, 1) 450 #define SYS_PMCNTENCLR_EL0 sys_reg(3, 3, 9, 12, 2) 451 #define SYS_PMOVSCLR_EL0 sys_reg(3, 3, 9, 12, 3) 452 #define SYS_PMSWINC_EL0 sys_reg(3, 3, 9, 12, 4) 453 #define SYS_PMSELR_EL0 sys_reg(3, 3, 9, 12, 5) 454 #define SYS_PMCEID0_EL0 sys_reg(3, 3, 9, 12, 6) 455 #define SYS_PMCEID1_EL0 sys_reg(3, 3, 9, 12, 7) 456 #define SYS_PMCCNTR_EL0 sys_reg(3, 3, 9, 13, 0) 457 #define SYS_PMXEVTYPER_EL0 sys_reg(3, 3, 9, 13, 1) 458 #define SYS_PMXEVCNTR_EL0 sys_reg(3, 3, 9, 13, 2) 459 #define SYS_PMUSERENR_EL0 sys_reg(3, 3, 9, 14, 0) 460 #define SYS_PMOVSSET_EL0 sys_reg(3, 3, 9, 14, 3) 461 462 #define SYS_TPIDR_EL0 sys_reg(3, 3, 13, 0, 2) 463 #define SYS_TPIDRRO_EL0 sys_reg(3, 3, 13, 0, 3) 464 465 #define SYS_SCXTNUM_EL0 sys_reg(3, 3, 13, 0, 7) 466 467 /* Definitions for system register interface to AMU for ARMv8.4 onwards */ 468 #define SYS_AM_EL0(crm, op2) sys_reg(3, 3, 13, (crm), (op2)) 469 #define SYS_AMCR_EL0 SYS_AM_EL0(2, 0) 470 #define SYS_AMCFGR_EL0 SYS_AM_EL0(2, 1) 471 #define SYS_AMCGCR_EL0 SYS_AM_EL0(2, 2) 472 #define SYS_AMUSERENR_EL0 SYS_AM_EL0(2, 3) 473 #define SYS_AMCNTENCLR0_EL0 SYS_AM_EL0(2, 4) 474 #define SYS_AMCNTENSET0_EL0 SYS_AM_EL0(2, 5) 475 #define SYS_AMCNTENCLR1_EL0 SYS_AM_EL0(3, 0) 476 #define SYS_AMCNTENSET1_EL0 SYS_AM_EL0(3, 1) 477 478 /* 479 * Group 0 of activity monitors (architected): 480 * op0 op1 CRn CRm op2 481 * Counter: 11 011 1101 010:n<3> n<2:0> 482 * Type: 11 011 1101 011:n<3> n<2:0> 483 * n: 0-15 484 * 485 * Group 1 of activity monitors (auxiliary): 486 * op0 op1 CRn CRm op2 487 * Counter: 11 011 1101 110:n<3> n<2:0> 488 * Type: 11 011 1101 111:n<3> n<2:0> 489 * n: 0-15 490 */ 491 492 #define SYS_AMEVCNTR0_EL0(n) SYS_AM_EL0(4 + ((n) >> 3), (n) & 7) 493 #define SYS_AMEVTYPER0_EL0(n) SYS_AM_EL0(6 + ((n) >> 3), (n) & 7) 494 #define SYS_AMEVCNTR1_EL0(n) SYS_AM_EL0(12 + ((n) >> 3), (n) & 7) 495 #define SYS_AMEVTYPER1_EL0(n) SYS_AM_EL0(14 + ((n) >> 3), (n) & 7) 496 497 /* AMU v1: Fixed (architecturally defined) activity monitors */ 498 #define SYS_AMEVCNTR0_CORE_EL0 SYS_AMEVCNTR0_EL0(0) 499 #define SYS_AMEVCNTR0_CONST_EL0 SYS_AMEVCNTR0_EL0(1) 500 #define SYS_AMEVCNTR0_INST_RET_EL0 SYS_AMEVCNTR0_EL0(2) 501 #define SYS_AMEVCNTR0_MEM_STALL SYS_AMEVCNTR0_EL0(3) 502 503 #define SYS_CNTFRQ_EL0 sys_reg(3, 3, 14, 0, 0) 504 505 #define SYS_CNTP_TVAL_EL0 sys_reg(3, 3, 14, 2, 0) 506 #define SYS_CNTP_CTL_EL0 sys_reg(3, 3, 14, 2, 1) 507 #define SYS_CNTP_CVAL_EL0 sys_reg(3, 3, 14, 2, 2) 508 509 #define SYS_CNTV_CTL_EL0 sys_reg(3, 3, 14, 3, 1) 510 #define SYS_CNTV_CVAL_EL0 sys_reg(3, 3, 14, 3, 2) 511 512 #define SYS_AARCH32_CNTP_TVAL sys_reg(0, 0, 14, 2, 0) 513 #define SYS_AARCH32_CNTP_CTL sys_reg(0, 0, 14, 2, 1) 514 #define SYS_AARCH32_CNTP_CVAL sys_reg(0, 2, 0, 14, 0) 515 516 #define __PMEV_op2(n) ((n) & 0x7) 517 #define __CNTR_CRm(n) (0x8 | (((n) >> 3) & 0x3)) 518 #define SYS_PMEVCNTRn_EL0(n) sys_reg(3, 3, 14, __CNTR_CRm(n), __PMEV_op2(n)) 519 #define __TYPER_CRm(n) (0xc | (((n) >> 3) & 0x3)) 520 #define SYS_PMEVTYPERn_EL0(n) sys_reg(3, 3, 14, __TYPER_CRm(n), __PMEV_op2(n)) 521 522 #define SYS_PMCCFILTR_EL0 sys_reg(3, 3, 14, 15, 7) 523 524 #define SYS_SCTLR_EL2 sys_reg(3, 4, 1, 0, 0) 525 #define SYS_ZCR_EL2 sys_reg(3, 4, 1, 2, 0) 526 #define SYS_TRFCR_EL2 sys_reg(3, 4, 1, 2, 1) 527 #define SYS_DACR32_EL2 sys_reg(3, 4, 3, 0, 0) 528 #define SYS_SPSR_EL2 sys_reg(3, 4, 4, 0, 0) 529 #define SYS_ELR_EL2 sys_reg(3, 4, 4, 0, 1) 530 #define SYS_IFSR32_EL2 sys_reg(3, 4, 5, 0, 1) 531 #define SYS_ESR_EL2 sys_reg(3, 4, 5, 2, 0) 532 #define SYS_VSESR_EL2 sys_reg(3, 4, 5, 2, 3) 533 #define SYS_FPEXC32_EL2 sys_reg(3, 4, 5, 3, 0) 534 #define SYS_TFSR_EL2 sys_reg(3, 4, 5, 6, 0) 535 #define SYS_FAR_EL2 sys_reg(3, 4, 6, 0, 0) 536 537 #define SYS_VDISR_EL2 sys_reg(3, 4, 12, 1, 1) 538 #define __SYS__AP0Rx_EL2(x) sys_reg(3, 4, 12, 8, x) 539 #define SYS_ICH_AP0R0_EL2 __SYS__AP0Rx_EL2(0) 540 #define SYS_ICH_AP0R1_EL2 __SYS__AP0Rx_EL2(1) 541 #define SYS_ICH_AP0R2_EL2 __SYS__AP0Rx_EL2(2) 542 #define SYS_ICH_AP0R3_EL2 __SYS__AP0Rx_EL2(3) 543 544 #define __SYS__AP1Rx_EL2(x) sys_reg(3, 4, 12, 9, x) 545 #define SYS_ICH_AP1R0_EL2 __SYS__AP1Rx_EL2(0) 546 #define SYS_ICH_AP1R1_EL2 __SYS__AP1Rx_EL2(1) 547 #define SYS_ICH_AP1R2_EL2 __SYS__AP1Rx_EL2(2) 548 #define SYS_ICH_AP1R3_EL2 __SYS__AP1Rx_EL2(3) 549 550 #define SYS_ICH_VSEIR_EL2 sys_reg(3, 4, 12, 9, 4) 551 #define SYS_ICC_SRE_EL2 sys_reg(3, 4, 12, 9, 5) 552 #define SYS_ICH_HCR_EL2 sys_reg(3, 4, 12, 11, 0) 553 #define SYS_ICH_VTR_EL2 sys_reg(3, 4, 12, 11, 1) 554 #define SYS_ICH_MISR_EL2 sys_reg(3, 4, 12, 11, 2) 555 #define SYS_ICH_EISR_EL2 sys_reg(3, 4, 12, 11, 3) 556 #define SYS_ICH_ELRSR_EL2 sys_reg(3, 4, 12, 11, 5) 557 #define SYS_ICH_VMCR_EL2 sys_reg(3, 4, 12, 11, 7) 558 559 #define __SYS__LR0_EL2(x) sys_reg(3, 4, 12, 12, x) 560 #define SYS_ICH_LR0_EL2 __SYS__LR0_EL2(0) 561 #define SYS_ICH_LR1_EL2 __SYS__LR0_EL2(1) 562 #define SYS_ICH_LR2_EL2 __SYS__LR0_EL2(2) 563 #define SYS_ICH_LR3_EL2 __SYS__LR0_EL2(3) 564 #define SYS_ICH_LR4_EL2 __SYS__LR0_EL2(4) 565 #define SYS_ICH_LR5_EL2 __SYS__LR0_EL2(5) 566 #define SYS_ICH_LR6_EL2 __SYS__LR0_EL2(6) 567 #define SYS_ICH_LR7_EL2 __SYS__LR0_EL2(7) 568 569 #define __SYS__LR8_EL2(x) sys_reg(3, 4, 12, 13, x) 570 #define SYS_ICH_LR8_EL2 __SYS__LR8_EL2(0) 571 #define SYS_ICH_LR9_EL2 __SYS__LR8_EL2(1) 572 #define SYS_ICH_LR10_EL2 __SYS__LR8_EL2(2) 573 #define SYS_ICH_LR11_EL2 __SYS__LR8_EL2(3) 574 #define SYS_ICH_LR12_EL2 __SYS__LR8_EL2(4) 575 #define SYS_ICH_LR13_EL2 __SYS__LR8_EL2(5) 576 #define SYS_ICH_LR14_EL2 __SYS__LR8_EL2(6) 577 #define SYS_ICH_LR15_EL2 __SYS__LR8_EL2(7) 578 579 /* VHE encodings for architectural EL0/1 system registers */ 580 #define SYS_SCTLR_EL12 sys_reg(3, 5, 1, 0, 0) 581 #define SYS_CPACR_EL12 sys_reg(3, 5, 1, 0, 2) 582 #define SYS_ZCR_EL12 sys_reg(3, 5, 1, 2, 0) 583 #define SYS_TTBR0_EL12 sys_reg(3, 5, 2, 0, 0) 584 #define SYS_TTBR1_EL12 sys_reg(3, 5, 2, 0, 1) 585 #define SYS_TCR_EL12 sys_reg(3, 5, 2, 0, 2) 586 #define SYS_SPSR_EL12 sys_reg(3, 5, 4, 0, 0) 587 #define SYS_ELR_EL12 sys_reg(3, 5, 4, 0, 1) 588 #define SYS_AFSR0_EL12 sys_reg(3, 5, 5, 1, 0) 589 #define SYS_AFSR1_EL12 sys_reg(3, 5, 5, 1, 1) 590 #define SYS_ESR_EL12 sys_reg(3, 5, 5, 2, 0) 591 #define SYS_TFSR_EL12 sys_reg(3, 5, 5, 6, 0) 592 #define SYS_FAR_EL12 sys_reg(3, 5, 6, 0, 0) 593 #define SYS_MAIR_EL12 sys_reg(3, 5, 10, 2, 0) 594 #define SYS_AMAIR_EL12 sys_reg(3, 5, 10, 3, 0) 595 #define SYS_VBAR_EL12 sys_reg(3, 5, 12, 0, 0) 596 #define SYS_CONTEXTIDR_EL12 sys_reg(3, 5, 13, 0, 1) 597 #define SYS_CNTKCTL_EL12 sys_reg(3, 5, 14, 1, 0) 598 #define SYS_CNTP_TVAL_EL02 sys_reg(3, 5, 14, 2, 0) 599 #define SYS_CNTP_CTL_EL02 sys_reg(3, 5, 14, 2, 1) 600 #define SYS_CNTP_CVAL_EL02 sys_reg(3, 5, 14, 2, 2) 601 #define SYS_CNTV_TVAL_EL02 sys_reg(3, 5, 14, 3, 0) 602 #define SYS_CNTV_CTL_EL02 sys_reg(3, 5, 14, 3, 1) 603 #define SYS_CNTV_CVAL_EL02 sys_reg(3, 5, 14, 3, 2) 604 605 /* Common SCTLR_ELx flags. */ 606 #define SCTLR_ELx_DSSBS (BIT(44)) 607 #define SCTLR_ELx_ATA (BIT(43)) 608 609 #define SCTLR_ELx_TCF_SHIFT 40 610 #define SCTLR_ELx_TCF_NONE (UL(0x0) << SCTLR_ELx_TCF_SHIFT) 611 #define SCTLR_ELx_TCF_SYNC (UL(0x1) << SCTLR_ELx_TCF_SHIFT) 612 #define SCTLR_ELx_TCF_ASYNC (UL(0x2) << SCTLR_ELx_TCF_SHIFT) 613 #define SCTLR_ELx_TCF_MASK (UL(0x3) << SCTLR_ELx_TCF_SHIFT) 614 615 #define SCTLR_ELx_ENIA_SHIFT 31 616 617 #define SCTLR_ELx_ITFSB (BIT(37)) 618 #define SCTLR_ELx_ENIA (BIT(SCTLR_ELx_ENIA_SHIFT)) 619 #define SCTLR_ELx_ENIB (BIT(30)) 620 #define SCTLR_ELx_ENDA (BIT(27)) 621 #define SCTLR_ELx_EE (BIT(25)) 622 #define SCTLR_ELx_IESB (BIT(21)) 623 #define SCTLR_ELx_WXN (BIT(19)) 624 #define SCTLR_ELx_ENDB (BIT(13)) 625 #define SCTLR_ELx_I (BIT(12)) 626 #define SCTLR_ELx_SA (BIT(3)) 627 #define SCTLR_ELx_C (BIT(2)) 628 #define SCTLR_ELx_A (BIT(1)) 629 #define SCTLR_ELx_M (BIT(0)) 630 631 /* SCTLR_EL2 specific flags. */ 632 #define SCTLR_EL2_RES1 ((BIT(4)) | (BIT(5)) | (BIT(11)) | (BIT(16)) | \ 633 (BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \ 634 (BIT(29))) 635 636 #ifdef CONFIG_CPU_BIG_ENDIAN 637 #define ENDIAN_SET_EL2 SCTLR_ELx_EE 638 #else 639 #define ENDIAN_SET_EL2 0 640 #endif 641 642 #define INIT_SCTLR_EL2_MMU_ON \ 643 (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA | SCTLR_ELx_I | \ 644 SCTLR_ELx_IESB | SCTLR_ELx_WXN | ENDIAN_SET_EL2 | SCTLR_EL2_RES1) 645 646 #define INIT_SCTLR_EL2_MMU_OFF \ 647 (SCTLR_EL2_RES1 | ENDIAN_SET_EL2) 648 649 /* SCTLR_EL1 specific flags. */ 650 #define SCTLR_EL1_ATA0 (BIT(42)) 651 652 #define SCTLR_EL1_TCF0_SHIFT 38 653 #define SCTLR_EL1_TCF0_NONE (UL(0x0) << SCTLR_EL1_TCF0_SHIFT) 654 #define SCTLR_EL1_TCF0_SYNC (UL(0x1) << SCTLR_EL1_TCF0_SHIFT) 655 #define SCTLR_EL1_TCF0_ASYNC (UL(0x2) << SCTLR_EL1_TCF0_SHIFT) 656 #define SCTLR_EL1_TCF0_MASK (UL(0x3) << SCTLR_EL1_TCF0_SHIFT) 657 658 #define SCTLR_EL1_BT1 (BIT(36)) 659 #define SCTLR_EL1_BT0 (BIT(35)) 660 #define SCTLR_EL1_UCI (BIT(26)) 661 #define SCTLR_EL1_E0E (BIT(24)) 662 #define SCTLR_EL1_SPAN (BIT(23)) 663 #define SCTLR_EL1_NTWE (BIT(18)) 664 #define SCTLR_EL1_NTWI (BIT(16)) 665 #define SCTLR_EL1_UCT (BIT(15)) 666 #define SCTLR_EL1_DZE (BIT(14)) 667 #define SCTLR_EL1_UMA (BIT(9)) 668 #define SCTLR_EL1_SED (BIT(8)) 669 #define SCTLR_EL1_ITD (BIT(7)) 670 #define SCTLR_EL1_CP15BEN (BIT(5)) 671 #define SCTLR_EL1_SA0 (BIT(4)) 672 673 #define SCTLR_EL1_RES1 ((BIT(11)) | (BIT(20)) | (BIT(22)) | (BIT(28)) | \ 674 (BIT(29))) 675 676 #ifdef CONFIG_CPU_BIG_ENDIAN 677 #define ENDIAN_SET_EL1 (SCTLR_EL1_E0E | SCTLR_ELx_EE) 678 #else 679 #define ENDIAN_SET_EL1 0 680 #endif 681 682 #define INIT_SCTLR_EL1_MMU_OFF \ 683 (ENDIAN_SET_EL1 | SCTLR_EL1_RES1) 684 685 #define INIT_SCTLR_EL1_MMU_ON \ 686 (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA | SCTLR_EL1_SA0 | \ 687 SCTLR_EL1_SED | SCTLR_ELx_I | SCTLR_EL1_DZE | SCTLR_EL1_UCT | \ 688 SCTLR_EL1_NTWE | SCTLR_ELx_IESB | SCTLR_EL1_SPAN | SCTLR_ELx_ITFSB | \ 689 ENDIAN_SET_EL1 | SCTLR_EL1_UCI | SCTLR_EL1_RES1) 690 691 /* MAIR_ELx memory attributes (used by Linux) */ 692 #define MAIR_ATTR_DEVICE_nGnRnE UL(0x00) 693 #define MAIR_ATTR_DEVICE_nGnRE UL(0x04) 694 #define MAIR_ATTR_DEVICE_GRE UL(0x0c) 695 #define MAIR_ATTR_NORMAL_NC UL(0x44) 696 #define MAIR_ATTR_NORMAL_WT UL(0xbb) 697 #define MAIR_ATTR_NORMAL_TAGGED UL(0xf0) 698 #define MAIR_ATTR_NORMAL UL(0xff) 699 #define MAIR_ATTR_MASK UL(0xff) 700 #define MAIR_ATTR_NORMAL_iNC_oWB UL(0xf4) 701 702 /* Position the attr at the correct index */ 703 #define MAIR_ATTRIDX(attr, idx) ((attr) << ((idx) * 8)) 704 705 /* id_aa64isar0 */ 706 #define ID_AA64ISAR0_RNDR_SHIFT 60 707 #define ID_AA64ISAR0_TLB_SHIFT 56 708 #define ID_AA64ISAR0_TS_SHIFT 52 709 #define ID_AA64ISAR0_FHM_SHIFT 48 710 #define ID_AA64ISAR0_DP_SHIFT 44 711 #define ID_AA64ISAR0_SM4_SHIFT 40 712 #define ID_AA64ISAR0_SM3_SHIFT 36 713 #define ID_AA64ISAR0_SHA3_SHIFT 32 714 #define ID_AA64ISAR0_RDM_SHIFT 28 715 #define ID_AA64ISAR0_ATOMICS_SHIFT 20 716 #define ID_AA64ISAR0_CRC32_SHIFT 16 717 #define ID_AA64ISAR0_SHA2_SHIFT 12 718 #define ID_AA64ISAR0_SHA1_SHIFT 8 719 #define ID_AA64ISAR0_AES_SHIFT 4 720 721 #define ID_AA64ISAR0_TLB_RANGE_NI 0x0 722 #define ID_AA64ISAR0_TLB_RANGE 0x2 723 724 /* id_aa64isar1 */ 725 #define ID_AA64ISAR1_I8MM_SHIFT 52 726 #define ID_AA64ISAR1_DGH_SHIFT 48 727 #define ID_AA64ISAR1_BF16_SHIFT 44 728 #define ID_AA64ISAR1_SPECRES_SHIFT 40 729 #define ID_AA64ISAR1_SB_SHIFT 36 730 #define ID_AA64ISAR1_FRINTTS_SHIFT 32 731 #define ID_AA64ISAR1_GPI_SHIFT 28 732 #define ID_AA64ISAR1_GPA_SHIFT 24 733 #define ID_AA64ISAR1_LRCPC_SHIFT 20 734 #define ID_AA64ISAR1_FCMA_SHIFT 16 735 #define ID_AA64ISAR1_JSCVT_SHIFT 12 736 #define ID_AA64ISAR1_API_SHIFT 8 737 #define ID_AA64ISAR1_APA_SHIFT 4 738 #define ID_AA64ISAR1_DPB_SHIFT 0 739 740 #define ID_AA64ISAR1_APA_NI 0x0 741 #define ID_AA64ISAR1_APA_ARCHITECTED 0x1 742 #define ID_AA64ISAR1_APA_ARCH_EPAC 0x2 743 #define ID_AA64ISAR1_APA_ARCH_EPAC2 0x3 744 #define ID_AA64ISAR1_APA_ARCH_EPAC2_FPAC 0x4 745 #define ID_AA64ISAR1_APA_ARCH_EPAC2_FPAC_CMB 0x5 746 #define ID_AA64ISAR1_API_NI 0x0 747 #define ID_AA64ISAR1_API_IMP_DEF 0x1 748 #define ID_AA64ISAR1_API_IMP_DEF_EPAC 0x2 749 #define ID_AA64ISAR1_API_IMP_DEF_EPAC2 0x3 750 #define ID_AA64ISAR1_API_IMP_DEF_EPAC2_FPAC 0x4 751 #define ID_AA64ISAR1_API_IMP_DEF_EPAC2_FPAC_CMB 0x5 752 #define ID_AA64ISAR1_GPA_NI 0x0 753 #define ID_AA64ISAR1_GPA_ARCHITECTED 0x1 754 #define ID_AA64ISAR1_GPI_NI 0x0 755 #define ID_AA64ISAR1_GPI_IMP_DEF 0x1 756 757 /* id_aa64isar2 */ 758 #define ID_AA64ISAR2_CLEARBHB_SHIFT 28 759 #define ID_AA64ISAR2_RPRES_SHIFT 4 760 #define ID_AA64ISAR2_WFXT_SHIFT 0 761 762 #define ID_AA64ISAR2_RPRES_8BIT 0x0 763 #define ID_AA64ISAR2_RPRES_12BIT 0x1 764 /* 765 * Value 0x1 has been removed from the architecture, and is 766 * reserved, but has not yet been removed from the ARM ARM 767 * as of ARM DDI 0487G.b. 768 */ 769 #define ID_AA64ISAR2_WFXT_NI 0x0 770 #define ID_AA64ISAR2_WFXT_SUPPORTED 0x2 771 772 /* id_aa64pfr0 */ 773 #define ID_AA64PFR0_CSV3_SHIFT 60 774 #define ID_AA64PFR0_CSV2_SHIFT 56 775 #define ID_AA64PFR0_DIT_SHIFT 48 776 #define ID_AA64PFR0_AMU_SHIFT 44 777 #define ID_AA64PFR0_MPAM_SHIFT 40 778 #define ID_AA64PFR0_SEL2_SHIFT 36 779 #define ID_AA64PFR0_SVE_SHIFT 32 780 #define ID_AA64PFR0_RAS_SHIFT 28 781 #define ID_AA64PFR0_GIC_SHIFT 24 782 #define ID_AA64PFR0_ASIMD_SHIFT 20 783 #define ID_AA64PFR0_FP_SHIFT 16 784 #define ID_AA64PFR0_EL3_SHIFT 12 785 #define ID_AA64PFR0_EL2_SHIFT 8 786 #define ID_AA64PFR0_EL1_SHIFT 4 787 #define ID_AA64PFR0_EL0_SHIFT 0 788 789 #define ID_AA64PFR0_AMU 0x1 790 #define ID_AA64PFR0_SVE 0x1 791 #define ID_AA64PFR0_RAS_V1 0x1 792 #define ID_AA64PFR0_FP_NI 0xf 793 #define ID_AA64PFR0_FP_SUPPORTED 0x0 794 #define ID_AA64PFR0_ASIMD_NI 0xf 795 #define ID_AA64PFR0_ASIMD_SUPPORTED 0x0 796 #define ID_AA64PFR0_EL1_64BIT_ONLY 0x1 797 #define ID_AA64PFR0_EL1_32BIT_64BIT 0x2 798 #define ID_AA64PFR0_EL0_64BIT_ONLY 0x1 799 #define ID_AA64PFR0_EL0_32BIT_64BIT 0x2 800 801 /* id_aa64pfr1 */ 802 #define ID_AA64PFR1_MPAMFRAC_SHIFT 16 803 #define ID_AA64PFR1_RASFRAC_SHIFT 12 804 #define ID_AA64PFR1_MTE_SHIFT 8 805 #define ID_AA64PFR1_SSBS_SHIFT 4 806 #define ID_AA64PFR1_BT_SHIFT 0 807 808 #define ID_AA64PFR1_SSBS_PSTATE_NI 0 809 #define ID_AA64PFR1_SSBS_PSTATE_ONLY 1 810 #define ID_AA64PFR1_SSBS_PSTATE_INSNS 2 811 #define ID_AA64PFR1_BT_BTI 0x1 812 813 #define ID_AA64PFR1_MTE_NI 0x0 814 #define ID_AA64PFR1_MTE_EL0 0x1 815 #define ID_AA64PFR1_MTE 0x2 816 817 /* id_aa64zfr0 */ 818 #define ID_AA64ZFR0_F64MM_SHIFT 56 819 #define ID_AA64ZFR0_F32MM_SHIFT 52 820 #define ID_AA64ZFR0_I8MM_SHIFT 44 821 #define ID_AA64ZFR0_SM4_SHIFT 40 822 #define ID_AA64ZFR0_SHA3_SHIFT 32 823 #define ID_AA64ZFR0_BF16_SHIFT 20 824 #define ID_AA64ZFR0_BITPERM_SHIFT 16 825 #define ID_AA64ZFR0_AES_SHIFT 4 826 #define ID_AA64ZFR0_SVEVER_SHIFT 0 827 828 #define ID_AA64ZFR0_F64MM 0x1 829 #define ID_AA64ZFR0_F32MM 0x1 830 #define ID_AA64ZFR0_I8MM 0x1 831 #define ID_AA64ZFR0_BF16 0x1 832 #define ID_AA64ZFR0_SM4 0x1 833 #define ID_AA64ZFR0_SHA3 0x1 834 #define ID_AA64ZFR0_BITPERM 0x1 835 #define ID_AA64ZFR0_AES 0x1 836 #define ID_AA64ZFR0_AES_PMULL 0x2 837 #define ID_AA64ZFR0_SVEVER_SVE2 0x1 838 839 /* id_aa64mmfr0 */ 840 #define ID_AA64MMFR0_ECV_SHIFT 60 841 #define ID_AA64MMFR0_FGT_SHIFT 56 842 #define ID_AA64MMFR0_EXS_SHIFT 44 843 #define ID_AA64MMFR0_TGRAN4_2_SHIFT 40 844 #define ID_AA64MMFR0_TGRAN64_2_SHIFT 36 845 #define ID_AA64MMFR0_TGRAN16_2_SHIFT 32 846 #define ID_AA64MMFR0_TGRAN4_SHIFT 28 847 #define ID_AA64MMFR0_TGRAN64_SHIFT 24 848 #define ID_AA64MMFR0_TGRAN16_SHIFT 20 849 #define ID_AA64MMFR0_BIGENDEL0_SHIFT 16 850 #define ID_AA64MMFR0_SNSMEM_SHIFT 12 851 #define ID_AA64MMFR0_BIGENDEL_SHIFT 8 852 #define ID_AA64MMFR0_ASID_SHIFT 4 853 #define ID_AA64MMFR0_PARANGE_SHIFT 0 854 855 #define ID_AA64MMFR0_TGRAN4_NI 0xf 856 #define ID_AA64MMFR0_TGRAN4_SUPPORTED_MIN 0x0 857 #define ID_AA64MMFR0_TGRAN4_SUPPORTED_MAX 0x7 858 #define ID_AA64MMFR0_TGRAN64_NI 0xf 859 #define ID_AA64MMFR0_TGRAN64_SUPPORTED_MIN 0x0 860 #define ID_AA64MMFR0_TGRAN64_SUPPORTED_MAX 0x7 861 #define ID_AA64MMFR0_TGRAN16_NI 0x0 862 #define ID_AA64MMFR0_TGRAN16_SUPPORTED_MIN 0x1 863 #define ID_AA64MMFR0_TGRAN16_SUPPORTED_MAX 0xf 864 865 #define ID_AA64MMFR0_PARANGE_48 0x5 866 #define ID_AA64MMFR0_PARANGE_52 0x6 867 868 #define ID_AA64MMFR0_TGRAN_2_SUPPORTED_DEFAULT 0x0 869 #define ID_AA64MMFR0_TGRAN_2_SUPPORTED_NONE 0x1 870 #define ID_AA64MMFR0_TGRAN_2_SUPPORTED_MIN 0x2 871 #define ID_AA64MMFR0_TGRAN_2_SUPPORTED_MAX 0x7 872 873 #ifdef CONFIG_ARM64_PA_BITS_52 874 #define ID_AA64MMFR0_PARANGE_MAX ID_AA64MMFR0_PARANGE_52 875 #else 876 #define ID_AA64MMFR0_PARANGE_MAX ID_AA64MMFR0_PARANGE_48 877 #endif 878 879 /* id_aa64mmfr1 */ 880 #define ID_AA64MMFR1_ECBHB_SHIFT 60 881 #define ID_AA64MMFR1_AFP_SHIFT 44 882 #define ID_AA64MMFR1_ETS_SHIFT 36 883 #define ID_AA64MMFR1_TWED_SHIFT 32 884 #define ID_AA64MMFR1_XNX_SHIFT 28 885 #define ID_AA64MMFR1_SPECSEI_SHIFT 24 886 #define ID_AA64MMFR1_PAN_SHIFT 20 887 #define ID_AA64MMFR1_LOR_SHIFT 16 888 #define ID_AA64MMFR1_HPD_SHIFT 12 889 #define ID_AA64MMFR1_VHE_SHIFT 8 890 #define ID_AA64MMFR1_VMIDBITS_SHIFT 4 891 #define ID_AA64MMFR1_HADBS_SHIFT 0 892 893 #define ID_AA64MMFR1_VMIDBITS_8 0 894 #define ID_AA64MMFR1_VMIDBITS_16 2 895 896 /* id_aa64mmfr2 */ 897 #define ID_AA64MMFR2_E0PD_SHIFT 60 898 #define ID_AA64MMFR2_EVT_SHIFT 56 899 #define ID_AA64MMFR2_BBM_SHIFT 52 900 #define ID_AA64MMFR2_TTL_SHIFT 48 901 #define ID_AA64MMFR2_FWB_SHIFT 40 902 #define ID_AA64MMFR2_IDS_SHIFT 36 903 #define ID_AA64MMFR2_AT_SHIFT 32 904 #define ID_AA64MMFR2_ST_SHIFT 28 905 #define ID_AA64MMFR2_NV_SHIFT 24 906 #define ID_AA64MMFR2_CCIDX_SHIFT 20 907 #define ID_AA64MMFR2_LVA_SHIFT 16 908 #define ID_AA64MMFR2_IESB_SHIFT 12 909 #define ID_AA64MMFR2_LSM_SHIFT 8 910 #define ID_AA64MMFR2_UAO_SHIFT 4 911 #define ID_AA64MMFR2_CNP_SHIFT 0 912 913 /* id_aa64dfr0 */ 914 #define ID_AA64DFR0_TRBE_SHIFT 44 915 #define ID_AA64DFR0_TRACE_FILT_SHIFT 40 916 #define ID_AA64DFR0_DOUBLELOCK_SHIFT 36 917 #define ID_AA64DFR0_PMSVER_SHIFT 32 918 #define ID_AA64DFR0_CTX_CMPS_SHIFT 28 919 #define ID_AA64DFR0_WRPS_SHIFT 20 920 #define ID_AA64DFR0_BRPS_SHIFT 12 921 #define ID_AA64DFR0_PMUVER_SHIFT 8 922 #define ID_AA64DFR0_TRACEVER_SHIFT 4 923 #define ID_AA64DFR0_DEBUGVER_SHIFT 0 924 925 #define ID_AA64DFR0_PMUVER_8_0 0x1 926 #define ID_AA64DFR0_PMUVER_8_1 0x4 927 #define ID_AA64DFR0_PMUVER_8_4 0x5 928 #define ID_AA64DFR0_PMUVER_8_5 0x6 929 #define ID_AA64DFR0_PMUVER_IMP_DEF 0xf 930 931 #define ID_DFR0_PERFMON_SHIFT 24 932 933 #define ID_DFR0_PERFMON_8_0 0x3 934 #define ID_DFR0_PERFMON_8_1 0x4 935 #define ID_DFR0_PERFMON_8_4 0x5 936 #define ID_DFR0_PERFMON_8_5 0x6 937 938 #define ID_ISAR4_SWP_FRAC_SHIFT 28 939 #define ID_ISAR4_PSR_M_SHIFT 24 940 #define ID_ISAR4_SYNCH_PRIM_FRAC_SHIFT 20 941 #define ID_ISAR4_BARRIER_SHIFT 16 942 #define ID_ISAR4_SMC_SHIFT 12 943 #define ID_ISAR4_WRITEBACK_SHIFT 8 944 #define ID_ISAR4_WITHSHIFTS_SHIFT 4 945 #define ID_ISAR4_UNPRIV_SHIFT 0 946 947 #define ID_DFR1_MTPMU_SHIFT 0 948 949 #define ID_ISAR0_DIVIDE_SHIFT 24 950 #define ID_ISAR0_DEBUG_SHIFT 20 951 #define ID_ISAR0_COPROC_SHIFT 16 952 #define ID_ISAR0_CMPBRANCH_SHIFT 12 953 #define ID_ISAR0_BITFIELD_SHIFT 8 954 #define ID_ISAR0_BITCOUNT_SHIFT 4 955 #define ID_ISAR0_SWAP_SHIFT 0 956 957 #define ID_ISAR5_RDM_SHIFT 24 958 #define ID_ISAR5_CRC32_SHIFT 16 959 #define ID_ISAR5_SHA2_SHIFT 12 960 #define ID_ISAR5_SHA1_SHIFT 8 961 #define ID_ISAR5_AES_SHIFT 4 962 #define ID_ISAR5_SEVL_SHIFT 0 963 964 #define ID_ISAR6_I8MM_SHIFT 24 965 #define ID_ISAR6_BF16_SHIFT 20 966 #define ID_ISAR6_SPECRES_SHIFT 16 967 #define ID_ISAR6_SB_SHIFT 12 968 #define ID_ISAR6_FHM_SHIFT 8 969 #define ID_ISAR6_DP_SHIFT 4 970 #define ID_ISAR6_JSCVT_SHIFT 0 971 972 #define ID_MMFR0_INNERSHR_SHIFT 28 973 #define ID_MMFR0_FCSE_SHIFT 24 974 #define ID_MMFR0_AUXREG_SHIFT 20 975 #define ID_MMFR0_TCM_SHIFT 16 976 #define ID_MMFR0_SHARELVL_SHIFT 12 977 #define ID_MMFR0_OUTERSHR_SHIFT 8 978 #define ID_MMFR0_PMSA_SHIFT 4 979 #define ID_MMFR0_VMSA_SHIFT 0 980 981 #define ID_MMFR4_EVT_SHIFT 28 982 #define ID_MMFR4_CCIDX_SHIFT 24 983 #define ID_MMFR4_LSM_SHIFT 20 984 #define ID_MMFR4_HPDS_SHIFT 16 985 #define ID_MMFR4_CNP_SHIFT 12 986 #define ID_MMFR4_XNX_SHIFT 8 987 #define ID_MMFR4_AC2_SHIFT 4 988 #define ID_MMFR4_SPECSEI_SHIFT 0 989 990 #define ID_MMFR5_ETS_SHIFT 0 991 992 #define ID_PFR0_DIT_SHIFT 24 993 #define ID_PFR0_CSV2_SHIFT 16 994 #define ID_PFR0_STATE3_SHIFT 12 995 #define ID_PFR0_STATE2_SHIFT 8 996 #define ID_PFR0_STATE1_SHIFT 4 997 #define ID_PFR0_STATE0_SHIFT 0 998 999 #define ID_DFR0_PERFMON_SHIFT 24 1000 #define ID_DFR0_MPROFDBG_SHIFT 20 1001 #define ID_DFR0_MMAPTRC_SHIFT 16 1002 #define ID_DFR0_COPTRC_SHIFT 12 1003 #define ID_DFR0_MMAPDBG_SHIFT 8 1004 #define ID_DFR0_COPSDBG_SHIFT 4 1005 #define ID_DFR0_COPDBG_SHIFT 0 1006 1007 #define ID_PFR2_SSBS_SHIFT 4 1008 #define ID_PFR2_CSV3_SHIFT 0 1009 1010 #define MVFR0_FPROUND_SHIFT 28 1011 #define MVFR0_FPSHVEC_SHIFT 24 1012 #define MVFR0_FPSQRT_SHIFT 20 1013 #define MVFR0_FPDIVIDE_SHIFT 16 1014 #define MVFR0_FPTRAP_SHIFT 12 1015 #define MVFR0_FPDP_SHIFT 8 1016 #define MVFR0_FPSP_SHIFT 4 1017 #define MVFR0_SIMD_SHIFT 0 1018 1019 #define MVFR1_SIMDFMAC_SHIFT 28 1020 #define MVFR1_FPHP_SHIFT 24 1021 #define MVFR1_SIMDHP_SHIFT 20 1022 #define MVFR1_SIMDSP_SHIFT 16 1023 #define MVFR1_SIMDINT_SHIFT 12 1024 #define MVFR1_SIMDLS_SHIFT 8 1025 #define MVFR1_FPDNAN_SHIFT 4 1026 #define MVFR1_FPFTZ_SHIFT 0 1027 1028 #define ID_PFR1_GIC_SHIFT 28 1029 #define ID_PFR1_VIRT_FRAC_SHIFT 24 1030 #define ID_PFR1_SEC_FRAC_SHIFT 20 1031 #define ID_PFR1_GENTIMER_SHIFT 16 1032 #define ID_PFR1_VIRTUALIZATION_SHIFT 12 1033 #define ID_PFR1_MPROGMOD_SHIFT 8 1034 #define ID_PFR1_SECURITY_SHIFT 4 1035 #define ID_PFR1_PROGMOD_SHIFT 0 1036 1037 #if defined(CONFIG_ARM64_4K_PAGES) 1038 #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN4_SHIFT 1039 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_TGRAN4_SUPPORTED_MIN 1040 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_TGRAN4_SUPPORTED_MAX 1041 #elif defined(CONFIG_ARM64_16K_PAGES) 1042 #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN16_SHIFT 1043 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_TGRAN16_SUPPORTED_MIN 1044 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_TGRAN16_SUPPORTED_MAX 1045 #elif defined(CONFIG_ARM64_64K_PAGES) 1046 #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN64_SHIFT 1047 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_TGRAN64_SUPPORTED_MIN 1048 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_TGRAN64_SUPPORTED_MAX 1049 #endif 1050 1051 #define MVFR2_FPMISC_SHIFT 4 1052 #define MVFR2_SIMDMISC_SHIFT 0 1053 1054 #define DCZID_DZP_SHIFT 4 1055 #define DCZID_BS_SHIFT 0 1056 1057 /* 1058 * The ZCR_ELx_LEN_* definitions intentionally include bits [8:4] which 1059 * are reserved by the SVE architecture for future expansion of the LEN 1060 * field, with compatible semantics. 1061 */ 1062 #define ZCR_ELx_LEN_SHIFT 0 1063 #define ZCR_ELx_LEN_SIZE 9 1064 #define ZCR_ELx_LEN_MASK 0x1ff 1065 1066 #define CPACR_EL1_ZEN_EL1EN (BIT(16)) /* enable EL1 access */ 1067 #define CPACR_EL1_ZEN_EL0EN (BIT(17)) /* enable EL0 access, if EL1EN set */ 1068 #define CPACR_EL1_ZEN (CPACR_EL1_ZEN_EL1EN | CPACR_EL1_ZEN_EL0EN) 1069 1070 /* TCR EL1 Bit Definitions */ 1071 #define SYS_TCR_EL1_TCMA1 (BIT(58)) 1072 #define SYS_TCR_EL1_TCMA0 (BIT(57)) 1073 1074 /* GCR_EL1 Definitions */ 1075 #define SYS_GCR_EL1_RRND (BIT(16)) 1076 #define SYS_GCR_EL1_EXCL_MASK 0xffffUL 1077 1078 #ifdef CONFIG_KASAN_HW_TAGS 1079 /* 1080 * KASAN always uses a whole byte for its tags. With CONFIG_KASAN_HW_TAGS it 1081 * only uses tags in the range 0xF0-0xFF, which we map to MTE tags 0x0-0xF. 1082 */ 1083 #define __MTE_TAG_MIN (KASAN_TAG_MIN & 0xf) 1084 #define __MTE_TAG_MAX (KASAN_TAG_MAX & 0xf) 1085 #define __MTE_TAG_INCL GENMASK(__MTE_TAG_MAX, __MTE_TAG_MIN) 1086 #define KERNEL_GCR_EL1_EXCL (SYS_GCR_EL1_EXCL_MASK & ~__MTE_TAG_INCL) 1087 #else 1088 #define KERNEL_GCR_EL1_EXCL SYS_GCR_EL1_EXCL_MASK 1089 #endif 1090 1091 #define KERNEL_GCR_EL1 (SYS_GCR_EL1_RRND | KERNEL_GCR_EL1_EXCL) 1092 1093 /* RGSR_EL1 Definitions */ 1094 #define SYS_RGSR_EL1_TAG_MASK 0xfUL 1095 #define SYS_RGSR_EL1_SEED_SHIFT 8 1096 #define SYS_RGSR_EL1_SEED_MASK 0xffffUL 1097 1098 /* GMID_EL1 field definitions */ 1099 #define SYS_GMID_EL1_BS_SHIFT 0 1100 #define SYS_GMID_EL1_BS_SIZE 4 1101 1102 /* TFSR{,E0}_EL1 bit definitions */ 1103 #define SYS_TFSR_EL1_TF0_SHIFT 0 1104 #define SYS_TFSR_EL1_TF1_SHIFT 1 1105 #define SYS_TFSR_EL1_TF0 (UL(1) << SYS_TFSR_EL1_TF0_SHIFT) 1106 #define SYS_TFSR_EL1_TF1 (UL(1) << SYS_TFSR_EL1_TF1_SHIFT) 1107 1108 /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */ 1109 #define SYS_MPIDR_SAFE_VAL (BIT(31)) 1110 1111 #define TRFCR_ELx_TS_SHIFT 5 1112 #define TRFCR_ELx_TS_VIRTUAL ((0x1UL) << TRFCR_ELx_TS_SHIFT) 1113 #define TRFCR_ELx_TS_GUEST_PHYSICAL ((0x2UL) << TRFCR_ELx_TS_SHIFT) 1114 #define TRFCR_ELx_TS_PHYSICAL ((0x3UL) << TRFCR_ELx_TS_SHIFT) 1115 #define TRFCR_EL2_CX BIT(3) 1116 #define TRFCR_ELx_ExTRE BIT(1) 1117 #define TRFCR_ELx_E0TRE BIT(0) 1118 1119 #ifdef __ASSEMBLY__ 1120 1121 .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 1122 .equ .L__reg_num_x\num, \num 1123 .endr 1124 .equ .L__reg_num_xzr, 31 1125 1126 .macro mrs_s, rt, sreg 1127 __emit_inst(0xd5200000|(\sreg)|(.L__reg_num_\rt)) 1128 .endm 1129 1130 .macro msr_s, sreg, rt 1131 __emit_inst(0xd5000000|(\sreg)|(.L__reg_num_\rt)) 1132 .endm 1133 1134 #else 1135 1136 #include <linux/build_bug.h> 1137 #include <linux/types.h> 1138 #include <asm/alternative.h> 1139 1140 #define __DEFINE_MRS_MSR_S_REGNUM \ 1141 " .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" \ 1142 " .equ .L__reg_num_x\\num, \\num\n" \ 1143 " .endr\n" \ 1144 " .equ .L__reg_num_xzr, 31\n" 1145 1146 #define DEFINE_MRS_S \ 1147 __DEFINE_MRS_MSR_S_REGNUM \ 1148 " .macro mrs_s, rt, sreg\n" \ 1149 __emit_inst(0xd5200000|(\\sreg)|(.L__reg_num_\\rt)) \ 1150 " .endm\n" 1151 1152 #define DEFINE_MSR_S \ 1153 __DEFINE_MRS_MSR_S_REGNUM \ 1154 " .macro msr_s, sreg, rt\n" \ 1155 __emit_inst(0xd5000000|(\\sreg)|(.L__reg_num_\\rt)) \ 1156 " .endm\n" 1157 1158 #define UNDEFINE_MRS_S \ 1159 " .purgem mrs_s\n" 1160 1161 #define UNDEFINE_MSR_S \ 1162 " .purgem msr_s\n" 1163 1164 #define __mrs_s(v, r) \ 1165 DEFINE_MRS_S \ 1166 " mrs_s " v ", " __stringify(r) "\n" \ 1167 UNDEFINE_MRS_S 1168 1169 #define __msr_s(r, v) \ 1170 DEFINE_MSR_S \ 1171 " msr_s " __stringify(r) ", " v "\n" \ 1172 UNDEFINE_MSR_S 1173 1174 /* 1175 * Unlike read_cpuid, calls to read_sysreg are never expected to be 1176 * optimized away or replaced with synthetic values. 1177 */ 1178 #define read_sysreg(r) ({ \ 1179 u64 __val; \ 1180 asm volatile("mrs %0, " __stringify(r) : "=r" (__val)); \ 1181 __val; \ 1182 }) 1183 1184 /* 1185 * The "Z" constraint normally means a zero immediate, but when combined with 1186 * the "%x0" template means XZR. 1187 */ 1188 #define write_sysreg(v, r) do { \ 1189 u64 __val = (u64)(v); \ 1190 asm volatile("msr " __stringify(r) ", %x0" \ 1191 : : "rZ" (__val)); \ 1192 } while (0) 1193 1194 /* 1195 * For registers without architectural names, or simply unsupported by 1196 * GAS. 1197 */ 1198 #define read_sysreg_s(r) ({ \ 1199 u64 __val; \ 1200 asm volatile(__mrs_s("%0", r) : "=r" (__val)); \ 1201 __val; \ 1202 }) 1203 1204 #define write_sysreg_s(v, r) do { \ 1205 u64 __val = (u64)(v); \ 1206 asm volatile(__msr_s(r, "%x0") : : "rZ" (__val)); \ 1207 } while (0) 1208 1209 /* 1210 * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the 1211 * set mask are set. Other bits are left as-is. 1212 */ 1213 #define sysreg_clear_set(sysreg, clear, set) do { \ 1214 u64 __scs_val = read_sysreg(sysreg); \ 1215 u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \ 1216 if (__scs_new != __scs_val) \ 1217 write_sysreg(__scs_new, sysreg); \ 1218 } while (0) 1219 1220 #define sysreg_clear_set_s(sysreg, clear, set) do { \ 1221 u64 __scs_val = read_sysreg_s(sysreg); \ 1222 u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \ 1223 if (__scs_new != __scs_val) \ 1224 write_sysreg_s(__scs_new, sysreg); \ 1225 } while (0) 1226 1227 #define read_sysreg_par() ({ \ 1228 u64 par; \ 1229 asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412)); \ 1230 par = read_sysreg(par_el1); \ 1231 asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412)); \ 1232 par; \ 1233 }) 1234 1235 #endif 1236 1237 #endif /* __ASM_SYSREG_H */ 1238