1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Macros for accessing system registers with older binutils. 4 * 5 * Copyright (C) 2014 ARM Ltd. 6 * Author: Catalin Marinas <catalin.marinas@arm.com> 7 */ 8 9 #ifndef __ASM_SYSREG_H 10 #define __ASM_SYSREG_H 11 12 #include <linux/bits.h> 13 #include <linux/stringify.h> 14 #include <linux/kasan-tags.h> 15 16 #include <asm/gpr-num.h> 17 18 /* 19 * ARMv8 ARM reserves the following encoding for system registers: 20 * (Ref: ARMv8 ARM, Section: "System instruction class encoding overview", 21 * C5.2, version:ARM DDI 0487A.f) 22 * [20-19] : Op0 23 * [18-16] : Op1 24 * [15-12] : CRn 25 * [11-8] : CRm 26 * [7-5] : Op2 27 */ 28 #define Op0_shift 19 29 #define Op0_mask 0x3 30 #define Op1_shift 16 31 #define Op1_mask 0x7 32 #define CRn_shift 12 33 #define CRn_mask 0xf 34 #define CRm_shift 8 35 #define CRm_mask 0xf 36 #define Op2_shift 5 37 #define Op2_mask 0x7 38 39 #define sys_reg(op0, op1, crn, crm, op2) \ 40 (((op0) << Op0_shift) | ((op1) << Op1_shift) | \ 41 ((crn) << CRn_shift) | ((crm) << CRm_shift) | \ 42 ((op2) << Op2_shift)) 43 44 #define sys_insn sys_reg 45 46 #define sys_reg_Op0(id) (((id) >> Op0_shift) & Op0_mask) 47 #define sys_reg_Op1(id) (((id) >> Op1_shift) & Op1_mask) 48 #define sys_reg_CRn(id) (((id) >> CRn_shift) & CRn_mask) 49 #define sys_reg_CRm(id) (((id) >> CRm_shift) & CRm_mask) 50 #define sys_reg_Op2(id) (((id) >> Op2_shift) & Op2_mask) 51 52 #ifndef CONFIG_BROKEN_GAS_INST 53 54 #ifdef __ASSEMBLY__ 55 // The space separator is omitted so that __emit_inst(x) can be parsed as 56 // either an assembler directive or an assembler macro argument. 57 #define __emit_inst(x) .inst(x) 58 #else 59 #define __emit_inst(x) ".inst " __stringify((x)) "\n\t" 60 #endif 61 62 #else /* CONFIG_BROKEN_GAS_INST */ 63 64 #ifndef CONFIG_CPU_BIG_ENDIAN 65 #define __INSTR_BSWAP(x) (x) 66 #else /* CONFIG_CPU_BIG_ENDIAN */ 67 #define __INSTR_BSWAP(x) ((((x) << 24) & 0xff000000) | \ 68 (((x) << 8) & 0x00ff0000) | \ 69 (((x) >> 8) & 0x0000ff00) | \ 70 (((x) >> 24) & 0x000000ff)) 71 #endif /* CONFIG_CPU_BIG_ENDIAN */ 72 73 #ifdef __ASSEMBLY__ 74 #define __emit_inst(x) .long __INSTR_BSWAP(x) 75 #else /* __ASSEMBLY__ */ 76 #define __emit_inst(x) ".long " __stringify(__INSTR_BSWAP(x)) "\n\t" 77 #endif /* __ASSEMBLY__ */ 78 79 #endif /* CONFIG_BROKEN_GAS_INST */ 80 81 /* 82 * Instructions for modifying PSTATE fields. 83 * As per Arm ARM for v8-A, Section "C.5.1.3 op0 == 0b00, architectural hints, 84 * barriers and CLREX, and PSTATE access", ARM DDI 0487 C.a, system instructions 85 * for accessing PSTATE fields have the following encoding: 86 * Op0 = 0, CRn = 4 87 * Op1, Op2 encodes the PSTATE field modified and defines the constraints. 88 * CRm = Imm4 for the instruction. 89 * Rt = 0x1f 90 */ 91 #define pstate_field(op1, op2) ((op1) << Op1_shift | (op2) << Op2_shift) 92 #define PSTATE_Imm_shift CRm_shift 93 #define SET_PSTATE(x, r) __emit_inst(0xd500401f | PSTATE_ ## r | ((!!x) << PSTATE_Imm_shift)) 94 95 #define PSTATE_PAN pstate_field(0, 4) 96 #define PSTATE_UAO pstate_field(0, 3) 97 #define PSTATE_SSBS pstate_field(3, 1) 98 #define PSTATE_DIT pstate_field(3, 2) 99 #define PSTATE_TCO pstate_field(3, 4) 100 101 #define SET_PSTATE_PAN(x) SET_PSTATE((x), PAN) 102 #define SET_PSTATE_UAO(x) SET_PSTATE((x), UAO) 103 #define SET_PSTATE_SSBS(x) SET_PSTATE((x), SSBS) 104 #define SET_PSTATE_DIT(x) SET_PSTATE((x), DIT) 105 #define SET_PSTATE_TCO(x) SET_PSTATE((x), TCO) 106 107 #define set_pstate_pan(x) asm volatile(SET_PSTATE_PAN(x)) 108 #define set_pstate_uao(x) asm volatile(SET_PSTATE_UAO(x)) 109 #define set_pstate_ssbs(x) asm volatile(SET_PSTATE_SSBS(x)) 110 #define set_pstate_dit(x) asm volatile(SET_PSTATE_DIT(x)) 111 112 /* Register-based PAN access, for save/restore purposes */ 113 #define SYS_PSTATE_PAN sys_reg(3, 0, 4, 2, 3) 114 115 #define __SYS_BARRIER_INSN(CRm, op2, Rt) \ 116 __emit_inst(0xd5000000 | sys_insn(0, 3, 3, (CRm), (op2)) | ((Rt) & 0x1f)) 117 118 #define SB_BARRIER_INSN __SYS_BARRIER_INSN(0, 7, 31) 119 120 #define SYS_DC_ISW sys_insn(1, 0, 7, 6, 2) 121 #define SYS_DC_IGSW sys_insn(1, 0, 7, 6, 4) 122 #define SYS_DC_IGDSW sys_insn(1, 0, 7, 6, 6) 123 #define SYS_DC_CSW sys_insn(1, 0, 7, 10, 2) 124 #define SYS_DC_CGSW sys_insn(1, 0, 7, 10, 4) 125 #define SYS_DC_CGDSW sys_insn(1, 0, 7, 10, 6) 126 #define SYS_DC_CISW sys_insn(1, 0, 7, 14, 2) 127 #define SYS_DC_CIGSW sys_insn(1, 0, 7, 14, 4) 128 #define SYS_DC_CIGDSW sys_insn(1, 0, 7, 14, 6) 129 130 #define SYS_IC_IALLUIS sys_insn(1, 0, 7, 1, 0) 131 #define SYS_IC_IALLU sys_insn(1, 0, 7, 5, 0) 132 #define SYS_IC_IVAU sys_insn(1, 3, 7, 5, 1) 133 134 #define SYS_DC_IVAC sys_insn(1, 0, 7, 6, 1) 135 #define SYS_DC_IGVAC sys_insn(1, 0, 7, 6, 3) 136 #define SYS_DC_IGDVAC sys_insn(1, 0, 7, 6, 5) 137 138 #define SYS_DC_CVAC sys_insn(1, 3, 7, 10, 1) 139 #define SYS_DC_CGVAC sys_insn(1, 3, 7, 10, 3) 140 #define SYS_DC_CGDVAC sys_insn(1, 3, 7, 10, 5) 141 142 #define SYS_DC_CVAU sys_insn(1, 3, 7, 11, 1) 143 144 #define SYS_DC_CVAP sys_insn(1, 3, 7, 12, 1) 145 #define SYS_DC_CGVAP sys_insn(1, 3, 7, 12, 3) 146 #define SYS_DC_CGDVAP sys_insn(1, 3, 7, 12, 5) 147 148 #define SYS_DC_CVADP sys_insn(1, 3, 7, 13, 1) 149 #define SYS_DC_CGVADP sys_insn(1, 3, 7, 13, 3) 150 #define SYS_DC_CGDVADP sys_insn(1, 3, 7, 13, 5) 151 152 #define SYS_DC_CIVAC sys_insn(1, 3, 7, 14, 1) 153 #define SYS_DC_CIGVAC sys_insn(1, 3, 7, 14, 3) 154 #define SYS_DC_CIGDVAC sys_insn(1, 3, 7, 14, 5) 155 156 /* Data cache zero operations */ 157 #define SYS_DC_ZVA sys_insn(1, 3, 7, 4, 1) 158 #define SYS_DC_GVA sys_insn(1, 3, 7, 4, 3) 159 #define SYS_DC_GZVA sys_insn(1, 3, 7, 4, 4) 160 161 /* 162 * Automatically generated definitions for system registers, the 163 * manual encodings below are in the process of being converted to 164 * come from here. The header relies on the definition of sys_reg() 165 * earlier in this file. 166 */ 167 #include "asm/sysreg-defs.h" 168 169 /* 170 * System registers, organised loosely by encoding but grouped together 171 * where the architected name contains an index. e.g. ID_MMFR<n>_EL1. 172 */ 173 #define SYS_SVCR_SMSTOP_SM_EL0 sys_reg(0, 3, 4, 2, 3) 174 #define SYS_SVCR_SMSTART_SM_EL0 sys_reg(0, 3, 4, 3, 3) 175 #define SYS_SVCR_SMSTOP_SMZA_EL0 sys_reg(0, 3, 4, 6, 3) 176 177 #define SYS_DBGBVRn_EL1(n) sys_reg(2, 0, 0, n, 4) 178 #define SYS_DBGBCRn_EL1(n) sys_reg(2, 0, 0, n, 5) 179 #define SYS_DBGWVRn_EL1(n) sys_reg(2, 0, 0, n, 6) 180 #define SYS_DBGWCRn_EL1(n) sys_reg(2, 0, 0, n, 7) 181 #define SYS_MDRAR_EL1 sys_reg(2, 0, 1, 0, 0) 182 183 #define SYS_OSLSR_EL1 sys_reg(2, 0, 1, 1, 4) 184 #define OSLSR_EL1_OSLM_MASK (BIT(3) | BIT(0)) 185 #define OSLSR_EL1_OSLM_NI 0 186 #define OSLSR_EL1_OSLM_IMPLEMENTED BIT(3) 187 #define OSLSR_EL1_OSLK BIT(1) 188 189 #define SYS_OSDLR_EL1 sys_reg(2, 0, 1, 3, 4) 190 #define SYS_DBGPRCR_EL1 sys_reg(2, 0, 1, 4, 4) 191 #define SYS_DBGCLAIMSET_EL1 sys_reg(2, 0, 7, 8, 6) 192 #define SYS_DBGCLAIMCLR_EL1 sys_reg(2, 0, 7, 9, 6) 193 #define SYS_DBGAUTHSTATUS_EL1 sys_reg(2, 0, 7, 14, 6) 194 #define SYS_MDCCSR_EL0 sys_reg(2, 3, 0, 1, 0) 195 #define SYS_DBGDTR_EL0 sys_reg(2, 3, 0, 4, 0) 196 #define SYS_DBGDTRRX_EL0 sys_reg(2, 3, 0, 5, 0) 197 #define SYS_DBGDTRTX_EL0 sys_reg(2, 3, 0, 5, 0) 198 #define SYS_DBGVCR32_EL2 sys_reg(2, 4, 0, 7, 0) 199 200 #define SYS_BRBINF_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 0)) 201 #define SYS_BRBINFINJ_EL1 sys_reg(2, 1, 9, 1, 0) 202 #define SYS_BRBSRC_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 1)) 203 #define SYS_BRBSRCINJ_EL1 sys_reg(2, 1, 9, 1, 1) 204 #define SYS_BRBTGT_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 2)) 205 #define SYS_BRBTGTINJ_EL1 sys_reg(2, 1, 9, 1, 2) 206 #define SYS_BRBTS_EL1 sys_reg(2, 1, 9, 0, 2) 207 208 #define SYS_BRBCR_EL1 sys_reg(2, 1, 9, 0, 0) 209 #define SYS_BRBFCR_EL1 sys_reg(2, 1, 9, 0, 1) 210 #define SYS_BRBIDR0_EL1 sys_reg(2, 1, 9, 2, 0) 211 212 #define SYS_TRCITECR_EL1 sys_reg(3, 0, 1, 2, 3) 213 #define SYS_TRCACATR(m) sys_reg(2, 1, 2, ((m & 7) << 1), (2 | (m >> 3))) 214 #define SYS_TRCACVR(m) sys_reg(2, 1, 2, ((m & 7) << 1), (0 | (m >> 3))) 215 #define SYS_TRCAUTHSTATUS sys_reg(2, 1, 7, 14, 6) 216 #define SYS_TRCAUXCTLR sys_reg(2, 1, 0, 6, 0) 217 #define SYS_TRCBBCTLR sys_reg(2, 1, 0, 15, 0) 218 #define SYS_TRCCCCTLR sys_reg(2, 1, 0, 14, 0) 219 #define SYS_TRCCIDCCTLR0 sys_reg(2, 1, 3, 0, 2) 220 #define SYS_TRCCIDCCTLR1 sys_reg(2, 1, 3, 1, 2) 221 #define SYS_TRCCIDCVR(m) sys_reg(2, 1, 3, ((m & 7) << 1), 0) 222 #define SYS_TRCCLAIMCLR sys_reg(2, 1, 7, 9, 6) 223 #define SYS_TRCCLAIMSET sys_reg(2, 1, 7, 8, 6) 224 #define SYS_TRCCNTCTLR(m) sys_reg(2, 1, 0, (4 | (m & 3)), 5) 225 #define SYS_TRCCNTRLDVR(m) sys_reg(2, 1, 0, (0 | (m & 3)), 5) 226 #define SYS_TRCCNTVR(m) sys_reg(2, 1, 0, (8 | (m & 3)), 5) 227 #define SYS_TRCCONFIGR sys_reg(2, 1, 0, 4, 0) 228 #define SYS_TRCDEVARCH sys_reg(2, 1, 7, 15, 6) 229 #define SYS_TRCDEVID sys_reg(2, 1, 7, 2, 7) 230 #define SYS_TRCEVENTCTL0R sys_reg(2, 1, 0, 8, 0) 231 #define SYS_TRCEVENTCTL1R sys_reg(2, 1, 0, 9, 0) 232 #define SYS_TRCEXTINSELR(m) sys_reg(2, 1, 0, (8 | (m & 3)), 4) 233 #define SYS_TRCIDR0 sys_reg(2, 1, 0, 8, 7) 234 #define SYS_TRCIDR10 sys_reg(2, 1, 0, 2, 6) 235 #define SYS_TRCIDR11 sys_reg(2, 1, 0, 3, 6) 236 #define SYS_TRCIDR12 sys_reg(2, 1, 0, 4, 6) 237 #define SYS_TRCIDR13 sys_reg(2, 1, 0, 5, 6) 238 #define SYS_TRCIDR1 sys_reg(2, 1, 0, 9, 7) 239 #define SYS_TRCIDR2 sys_reg(2, 1, 0, 10, 7) 240 #define SYS_TRCIDR3 sys_reg(2, 1, 0, 11, 7) 241 #define SYS_TRCIDR4 sys_reg(2, 1, 0, 12, 7) 242 #define SYS_TRCIDR5 sys_reg(2, 1, 0, 13, 7) 243 #define SYS_TRCIDR6 sys_reg(2, 1, 0, 14, 7) 244 #define SYS_TRCIDR7 sys_reg(2, 1, 0, 15, 7) 245 #define SYS_TRCIDR8 sys_reg(2, 1, 0, 0, 6) 246 #define SYS_TRCIDR9 sys_reg(2, 1, 0, 1, 6) 247 #define SYS_TRCIMSPEC(m) sys_reg(2, 1, 0, (m & 7), 7) 248 #define SYS_TRCITEEDCR sys_reg(2, 1, 0, 2, 1) 249 #define SYS_TRCOSLSR sys_reg(2, 1, 1, 1, 4) 250 #define SYS_TRCPRGCTLR sys_reg(2, 1, 0, 1, 0) 251 #define SYS_TRCQCTLR sys_reg(2, 1, 0, 1, 1) 252 #define SYS_TRCRSCTLR(m) sys_reg(2, 1, 1, (m & 15), (0 | (m >> 4))) 253 #define SYS_TRCRSR sys_reg(2, 1, 0, 10, 0) 254 #define SYS_TRCSEQEVR(m) sys_reg(2, 1, 0, (m & 3), 4) 255 #define SYS_TRCSEQRSTEVR sys_reg(2, 1, 0, 6, 4) 256 #define SYS_TRCSEQSTR sys_reg(2, 1, 0, 7, 4) 257 #define SYS_TRCSSCCR(m) sys_reg(2, 1, 1, (m & 7), 2) 258 #define SYS_TRCSSCSR(m) sys_reg(2, 1, 1, (8 | (m & 7)), 2) 259 #define SYS_TRCSSPCICR(m) sys_reg(2, 1, 1, (m & 7), 3) 260 #define SYS_TRCSTALLCTLR sys_reg(2, 1, 0, 11, 0) 261 #define SYS_TRCSTATR sys_reg(2, 1, 0, 3, 0) 262 #define SYS_TRCSYNCPR sys_reg(2, 1, 0, 13, 0) 263 #define SYS_TRCTRACEIDR sys_reg(2, 1, 0, 0, 1) 264 #define SYS_TRCTSCTLR sys_reg(2, 1, 0, 12, 0) 265 #define SYS_TRCVICTLR sys_reg(2, 1, 0, 0, 2) 266 #define SYS_TRCVIIECTLR sys_reg(2, 1, 0, 1, 2) 267 #define SYS_TRCVIPCSSCTLR sys_reg(2, 1, 0, 3, 2) 268 #define SYS_TRCVISSCTLR sys_reg(2, 1, 0, 2, 2) 269 #define SYS_TRCVMIDCCTLR0 sys_reg(2, 1, 3, 2, 2) 270 #define SYS_TRCVMIDCCTLR1 sys_reg(2, 1, 3, 3, 2) 271 #define SYS_TRCVMIDCVR(m) sys_reg(2, 1, 3, ((m & 7) << 1), 1) 272 273 /* ETM */ 274 #define SYS_TRCOSLAR sys_reg(2, 1, 1, 0, 4) 275 276 #define SYS_BRBCR_EL2 sys_reg(2, 4, 9, 0, 0) 277 278 #define SYS_MIDR_EL1 sys_reg(3, 0, 0, 0, 0) 279 #define SYS_MPIDR_EL1 sys_reg(3, 0, 0, 0, 5) 280 #define SYS_REVIDR_EL1 sys_reg(3, 0, 0, 0, 6) 281 282 #define SYS_ACTLR_EL1 sys_reg(3, 0, 1, 0, 1) 283 #define SYS_RGSR_EL1 sys_reg(3, 0, 1, 0, 5) 284 #define SYS_GCR_EL1 sys_reg(3, 0, 1, 0, 6) 285 286 #define SYS_TRFCR_EL1 sys_reg(3, 0, 1, 2, 1) 287 288 #define SYS_TCR_EL1 sys_reg(3, 0, 2, 0, 2) 289 290 #define SYS_APIAKEYLO_EL1 sys_reg(3, 0, 2, 1, 0) 291 #define SYS_APIAKEYHI_EL1 sys_reg(3, 0, 2, 1, 1) 292 #define SYS_APIBKEYLO_EL1 sys_reg(3, 0, 2, 1, 2) 293 #define SYS_APIBKEYHI_EL1 sys_reg(3, 0, 2, 1, 3) 294 295 #define SYS_APDAKEYLO_EL1 sys_reg(3, 0, 2, 2, 0) 296 #define SYS_APDAKEYHI_EL1 sys_reg(3, 0, 2, 2, 1) 297 #define SYS_APDBKEYLO_EL1 sys_reg(3, 0, 2, 2, 2) 298 #define SYS_APDBKEYHI_EL1 sys_reg(3, 0, 2, 2, 3) 299 300 #define SYS_APGAKEYLO_EL1 sys_reg(3, 0, 2, 3, 0) 301 #define SYS_APGAKEYHI_EL1 sys_reg(3, 0, 2, 3, 1) 302 303 #define SYS_SPSR_EL1 sys_reg(3, 0, 4, 0, 0) 304 #define SYS_ELR_EL1 sys_reg(3, 0, 4, 0, 1) 305 306 #define SYS_ICC_PMR_EL1 sys_reg(3, 0, 4, 6, 0) 307 308 #define SYS_AFSR0_EL1 sys_reg(3, 0, 5, 1, 0) 309 #define SYS_AFSR1_EL1 sys_reg(3, 0, 5, 1, 1) 310 #define SYS_ESR_EL1 sys_reg(3, 0, 5, 2, 0) 311 312 #define SYS_ERRIDR_EL1 sys_reg(3, 0, 5, 3, 0) 313 #define SYS_ERRSELR_EL1 sys_reg(3, 0, 5, 3, 1) 314 #define SYS_ERXFR_EL1 sys_reg(3, 0, 5, 4, 0) 315 #define SYS_ERXCTLR_EL1 sys_reg(3, 0, 5, 4, 1) 316 #define SYS_ERXSTATUS_EL1 sys_reg(3, 0, 5, 4, 2) 317 #define SYS_ERXADDR_EL1 sys_reg(3, 0, 5, 4, 3) 318 #define SYS_ERXPFGF_EL1 sys_reg(3, 0, 5, 4, 4) 319 #define SYS_ERXPFGCTL_EL1 sys_reg(3, 0, 5, 4, 5) 320 #define SYS_ERXPFGCDN_EL1 sys_reg(3, 0, 5, 4, 6) 321 #define SYS_ERXMISC0_EL1 sys_reg(3, 0, 5, 5, 0) 322 #define SYS_ERXMISC1_EL1 sys_reg(3, 0, 5, 5, 1) 323 #define SYS_ERXMISC2_EL1 sys_reg(3, 0, 5, 5, 2) 324 #define SYS_ERXMISC3_EL1 sys_reg(3, 0, 5, 5, 3) 325 #define SYS_TFSR_EL1 sys_reg(3, 0, 5, 6, 0) 326 #define SYS_TFSRE0_EL1 sys_reg(3, 0, 5, 6, 1) 327 328 #define SYS_PAR_EL1 sys_reg(3, 0, 7, 4, 0) 329 330 #define SYS_PAR_EL1_F BIT(0) 331 /* When PAR_EL1.F == 1 */ 332 #define SYS_PAR_EL1_FST GENMASK(6, 1) 333 #define SYS_PAR_EL1_PTW BIT(8) 334 #define SYS_PAR_EL1_S BIT(9) 335 #define SYS_PAR_EL1_AssuredOnly BIT(12) 336 #define SYS_PAR_EL1_TopLevel BIT(13) 337 #define SYS_PAR_EL1_Overlay BIT(14) 338 #define SYS_PAR_EL1_DirtyBit BIT(15) 339 #define SYS_PAR_EL1_F1_IMPDEF GENMASK_ULL(63, 48) 340 #define SYS_PAR_EL1_F1_RES0 (BIT(7) | BIT(10) | GENMASK_ULL(47, 16)) 341 #define SYS_PAR_EL1_RES1 BIT(11) 342 /* When PAR_EL1.F == 0 */ 343 #define SYS_PAR_EL1_SH GENMASK_ULL(8, 7) 344 #define SYS_PAR_EL1_NS BIT(9) 345 #define SYS_PAR_EL1_F0_IMPDEF BIT(10) 346 #define SYS_PAR_EL1_NSE BIT(11) 347 #define SYS_PAR_EL1_PA GENMASK_ULL(51, 12) 348 #define SYS_PAR_EL1_ATTR GENMASK_ULL(63, 56) 349 #define SYS_PAR_EL1_F0_RES0 (GENMASK_ULL(6, 1) | GENMASK_ULL(55, 52)) 350 351 /*** Statistical Profiling Extension ***/ 352 #define PMSEVFR_EL1_RES0_IMP \ 353 (GENMASK_ULL(47, 32) | GENMASK_ULL(23, 16) | GENMASK_ULL(11, 8) |\ 354 BIT_ULL(6) | BIT_ULL(4) | BIT_ULL(2) | BIT_ULL(0)) 355 #define PMSEVFR_EL1_RES0_V1P1 \ 356 (PMSEVFR_EL1_RES0_IMP & ~(BIT_ULL(18) | BIT_ULL(17) | BIT_ULL(11))) 357 #define PMSEVFR_EL1_RES0_V1P2 \ 358 (PMSEVFR_EL1_RES0_V1P1 & ~BIT_ULL(6)) 359 360 /* Buffer error reporting */ 361 #define PMBSR_EL1_FAULT_FSC_SHIFT PMBSR_EL1_MSS_SHIFT 362 #define PMBSR_EL1_FAULT_FSC_MASK PMBSR_EL1_MSS_MASK 363 364 #define PMBSR_EL1_BUF_BSC_SHIFT PMBSR_EL1_MSS_SHIFT 365 #define PMBSR_EL1_BUF_BSC_MASK PMBSR_EL1_MSS_MASK 366 367 #define PMBSR_EL1_BUF_BSC_FULL 0x1UL 368 369 /*** End of Statistical Profiling Extension ***/ 370 371 #define TRBSR_EL1_BSC_MASK GENMASK(5, 0) 372 #define TRBSR_EL1_BSC_SHIFT 0 373 374 #define SYS_PMINTENSET_EL1 sys_reg(3, 0, 9, 14, 1) 375 #define SYS_PMINTENCLR_EL1 sys_reg(3, 0, 9, 14, 2) 376 377 #define SYS_PMMIR_EL1 sys_reg(3, 0, 9, 14, 6) 378 379 #define SYS_MAIR_EL1 sys_reg(3, 0, 10, 2, 0) 380 #define SYS_AMAIR_EL1 sys_reg(3, 0, 10, 3, 0) 381 382 #define SYS_VBAR_EL1 sys_reg(3, 0, 12, 0, 0) 383 #define SYS_DISR_EL1 sys_reg(3, 0, 12, 1, 1) 384 385 #define SYS_ICC_IAR0_EL1 sys_reg(3, 0, 12, 8, 0) 386 #define SYS_ICC_EOIR0_EL1 sys_reg(3, 0, 12, 8, 1) 387 #define SYS_ICC_HPPIR0_EL1 sys_reg(3, 0, 12, 8, 2) 388 #define SYS_ICC_BPR0_EL1 sys_reg(3, 0, 12, 8, 3) 389 #define SYS_ICC_AP0Rn_EL1(n) sys_reg(3, 0, 12, 8, 4 | n) 390 #define SYS_ICC_AP0R0_EL1 SYS_ICC_AP0Rn_EL1(0) 391 #define SYS_ICC_AP0R1_EL1 SYS_ICC_AP0Rn_EL1(1) 392 #define SYS_ICC_AP0R2_EL1 SYS_ICC_AP0Rn_EL1(2) 393 #define SYS_ICC_AP0R3_EL1 SYS_ICC_AP0Rn_EL1(3) 394 #define SYS_ICC_AP1Rn_EL1(n) sys_reg(3, 0, 12, 9, n) 395 #define SYS_ICC_AP1R0_EL1 SYS_ICC_AP1Rn_EL1(0) 396 #define SYS_ICC_AP1R1_EL1 SYS_ICC_AP1Rn_EL1(1) 397 #define SYS_ICC_AP1R2_EL1 SYS_ICC_AP1Rn_EL1(2) 398 #define SYS_ICC_AP1R3_EL1 SYS_ICC_AP1Rn_EL1(3) 399 #define SYS_ICC_DIR_EL1 sys_reg(3, 0, 12, 11, 1) 400 #define SYS_ICC_RPR_EL1 sys_reg(3, 0, 12, 11, 3) 401 #define SYS_ICC_SGI1R_EL1 sys_reg(3, 0, 12, 11, 5) 402 #define SYS_ICC_ASGI1R_EL1 sys_reg(3, 0, 12, 11, 6) 403 #define SYS_ICC_SGI0R_EL1 sys_reg(3, 0, 12, 11, 7) 404 #define SYS_ICC_IAR1_EL1 sys_reg(3, 0, 12, 12, 0) 405 #define SYS_ICC_EOIR1_EL1 sys_reg(3, 0, 12, 12, 1) 406 #define SYS_ICC_HPPIR1_EL1 sys_reg(3, 0, 12, 12, 2) 407 #define SYS_ICC_BPR1_EL1 sys_reg(3, 0, 12, 12, 3) 408 #define SYS_ICC_CTLR_EL1 sys_reg(3, 0, 12, 12, 4) 409 #define SYS_ICC_SRE_EL1 sys_reg(3, 0, 12, 12, 5) 410 #define SYS_ICC_IGRPEN0_EL1 sys_reg(3, 0, 12, 12, 6) 411 #define SYS_ICC_IGRPEN1_EL1 sys_reg(3, 0, 12, 12, 7) 412 413 #define SYS_ACCDATA_EL1 sys_reg(3, 0, 13, 0, 5) 414 415 #define SYS_CNTKCTL_EL1 sys_reg(3, 0, 14, 1, 0) 416 417 #define SYS_AIDR_EL1 sys_reg(3, 1, 0, 0, 7) 418 419 #define SYS_RNDR_EL0 sys_reg(3, 3, 2, 4, 0) 420 #define SYS_RNDRRS_EL0 sys_reg(3, 3, 2, 4, 1) 421 422 #define SYS_PMCR_EL0 sys_reg(3, 3, 9, 12, 0) 423 #define SYS_PMCNTENSET_EL0 sys_reg(3, 3, 9, 12, 1) 424 #define SYS_PMCNTENCLR_EL0 sys_reg(3, 3, 9, 12, 2) 425 #define SYS_PMOVSCLR_EL0 sys_reg(3, 3, 9, 12, 3) 426 #define SYS_PMSWINC_EL0 sys_reg(3, 3, 9, 12, 4) 427 #define SYS_PMCEID0_EL0 sys_reg(3, 3, 9, 12, 6) 428 #define SYS_PMCEID1_EL0 sys_reg(3, 3, 9, 12, 7) 429 #define SYS_PMCCNTR_EL0 sys_reg(3, 3, 9, 13, 0) 430 #define SYS_PMXEVTYPER_EL0 sys_reg(3, 3, 9, 13, 1) 431 #define SYS_PMXEVCNTR_EL0 sys_reg(3, 3, 9, 13, 2) 432 #define SYS_PMUSERENR_EL0 sys_reg(3, 3, 9, 14, 0) 433 #define SYS_PMOVSSET_EL0 sys_reg(3, 3, 9, 14, 3) 434 435 #define SYS_TPIDR_EL0 sys_reg(3, 3, 13, 0, 2) 436 #define SYS_TPIDRRO_EL0 sys_reg(3, 3, 13, 0, 3) 437 #define SYS_TPIDR2_EL0 sys_reg(3, 3, 13, 0, 5) 438 439 #define SYS_SCXTNUM_EL0 sys_reg(3, 3, 13, 0, 7) 440 441 /* Definitions for system register interface to AMU for ARMv8.4 onwards */ 442 #define SYS_AM_EL0(crm, op2) sys_reg(3, 3, 13, (crm), (op2)) 443 #define SYS_AMCR_EL0 SYS_AM_EL0(2, 0) 444 #define SYS_AMCFGR_EL0 SYS_AM_EL0(2, 1) 445 #define SYS_AMCGCR_EL0 SYS_AM_EL0(2, 2) 446 #define SYS_AMUSERENR_EL0 SYS_AM_EL0(2, 3) 447 #define SYS_AMCNTENCLR0_EL0 SYS_AM_EL0(2, 4) 448 #define SYS_AMCNTENSET0_EL0 SYS_AM_EL0(2, 5) 449 #define SYS_AMCNTENCLR1_EL0 SYS_AM_EL0(3, 0) 450 #define SYS_AMCNTENSET1_EL0 SYS_AM_EL0(3, 1) 451 452 /* 453 * Group 0 of activity monitors (architected): 454 * op0 op1 CRn CRm op2 455 * Counter: 11 011 1101 010:n<3> n<2:0> 456 * Type: 11 011 1101 011:n<3> n<2:0> 457 * n: 0-15 458 * 459 * Group 1 of activity monitors (auxiliary): 460 * op0 op1 CRn CRm op2 461 * Counter: 11 011 1101 110:n<3> n<2:0> 462 * Type: 11 011 1101 111:n<3> n<2:0> 463 * n: 0-15 464 */ 465 466 #define SYS_AMEVCNTR0_EL0(n) SYS_AM_EL0(4 + ((n) >> 3), (n) & 7) 467 #define SYS_AMEVTYPER0_EL0(n) SYS_AM_EL0(6 + ((n) >> 3), (n) & 7) 468 #define SYS_AMEVCNTR1_EL0(n) SYS_AM_EL0(12 + ((n) >> 3), (n) & 7) 469 #define SYS_AMEVTYPER1_EL0(n) SYS_AM_EL0(14 + ((n) >> 3), (n) & 7) 470 471 /* AMU v1: Fixed (architecturally defined) activity monitors */ 472 #define SYS_AMEVCNTR0_CORE_EL0 SYS_AMEVCNTR0_EL0(0) 473 #define SYS_AMEVCNTR0_CONST_EL0 SYS_AMEVCNTR0_EL0(1) 474 #define SYS_AMEVCNTR0_INST_RET_EL0 SYS_AMEVCNTR0_EL0(2) 475 #define SYS_AMEVCNTR0_MEM_STALL SYS_AMEVCNTR0_EL0(3) 476 477 #define SYS_CNTFRQ_EL0 sys_reg(3, 3, 14, 0, 0) 478 479 #define SYS_CNTPCT_EL0 sys_reg(3, 3, 14, 0, 1) 480 #define SYS_CNTPCTSS_EL0 sys_reg(3, 3, 14, 0, 5) 481 #define SYS_CNTVCTSS_EL0 sys_reg(3, 3, 14, 0, 6) 482 483 #define SYS_CNTP_TVAL_EL0 sys_reg(3, 3, 14, 2, 0) 484 #define SYS_CNTP_CTL_EL0 sys_reg(3, 3, 14, 2, 1) 485 #define SYS_CNTP_CVAL_EL0 sys_reg(3, 3, 14, 2, 2) 486 487 #define SYS_CNTV_CTL_EL0 sys_reg(3, 3, 14, 3, 1) 488 #define SYS_CNTV_CVAL_EL0 sys_reg(3, 3, 14, 3, 2) 489 490 #define SYS_AARCH32_CNTP_TVAL sys_reg(0, 0, 14, 2, 0) 491 #define SYS_AARCH32_CNTP_CTL sys_reg(0, 0, 14, 2, 1) 492 #define SYS_AARCH32_CNTPCT sys_reg(0, 0, 0, 14, 0) 493 #define SYS_AARCH32_CNTP_CVAL sys_reg(0, 2, 0, 14, 0) 494 #define SYS_AARCH32_CNTPCTSS sys_reg(0, 8, 0, 14, 0) 495 496 #define __PMEV_op2(n) ((n) & 0x7) 497 #define __CNTR_CRm(n) (0x8 | (((n) >> 3) & 0x3)) 498 #define SYS_PMEVCNTRn_EL0(n) sys_reg(3, 3, 14, __CNTR_CRm(n), __PMEV_op2(n)) 499 #define __TYPER_CRm(n) (0xc | (((n) >> 3) & 0x3)) 500 #define SYS_PMEVTYPERn_EL0(n) sys_reg(3, 3, 14, __TYPER_CRm(n), __PMEV_op2(n)) 501 502 #define SYS_PMCCFILTR_EL0 sys_reg(3, 3, 14, 15, 7) 503 504 #define SYS_VPIDR_EL2 sys_reg(3, 4, 0, 0, 0) 505 #define SYS_VMPIDR_EL2 sys_reg(3, 4, 0, 0, 5) 506 507 #define SYS_SCTLR_EL2 sys_reg(3, 4, 1, 0, 0) 508 #define SYS_ACTLR_EL2 sys_reg(3, 4, 1, 0, 1) 509 #define SYS_SCTLR2_EL2 sys_reg(3, 4, 1, 0, 3) 510 #define SYS_HCR_EL2 sys_reg(3, 4, 1, 1, 0) 511 #define SYS_MDCR_EL2 sys_reg(3, 4, 1, 1, 1) 512 #define SYS_CPTR_EL2 sys_reg(3, 4, 1, 1, 2) 513 #define SYS_HSTR_EL2 sys_reg(3, 4, 1, 1, 3) 514 #define SYS_HACR_EL2 sys_reg(3, 4, 1, 1, 7) 515 516 #define SYS_TTBR0_EL2 sys_reg(3, 4, 2, 0, 0) 517 #define SYS_TTBR1_EL2 sys_reg(3, 4, 2, 0, 1) 518 #define SYS_TCR_EL2 sys_reg(3, 4, 2, 0, 2) 519 #define SYS_VTTBR_EL2 sys_reg(3, 4, 2, 1, 0) 520 #define SYS_VTCR_EL2 sys_reg(3, 4, 2, 1, 2) 521 522 #define SYS_TRFCR_EL2 sys_reg(3, 4, 1, 2, 1) 523 #define SYS_VNCR_EL2 sys_reg(3, 4, 2, 2, 0) 524 #define SYS_HAFGRTR_EL2 sys_reg(3, 4, 3, 1, 6) 525 #define SYS_SPSR_EL2 sys_reg(3, 4, 4, 0, 0) 526 #define SYS_ELR_EL2 sys_reg(3, 4, 4, 0, 1) 527 #define SYS_SP_EL1 sys_reg(3, 4, 4, 1, 0) 528 #define SYS_SPSR_irq sys_reg(3, 4, 4, 3, 0) 529 #define SYS_SPSR_abt sys_reg(3, 4, 4, 3, 1) 530 #define SYS_SPSR_und sys_reg(3, 4, 4, 3, 2) 531 #define SYS_SPSR_fiq sys_reg(3, 4, 4, 3, 3) 532 #define SYS_IFSR32_EL2 sys_reg(3, 4, 5, 0, 1) 533 #define SYS_AFSR0_EL2 sys_reg(3, 4, 5, 1, 0) 534 #define SYS_AFSR1_EL2 sys_reg(3, 4, 5, 1, 1) 535 #define SYS_ESR_EL2 sys_reg(3, 4, 5, 2, 0) 536 #define SYS_VSESR_EL2 sys_reg(3, 4, 5, 2, 3) 537 #define SYS_FPEXC32_EL2 sys_reg(3, 4, 5, 3, 0) 538 #define SYS_TFSR_EL2 sys_reg(3, 4, 5, 6, 0) 539 540 #define SYS_FAR_EL2 sys_reg(3, 4, 6, 0, 0) 541 #define SYS_HPFAR_EL2 sys_reg(3, 4, 6, 0, 4) 542 543 #define SYS_MAIR_EL2 sys_reg(3, 4, 10, 2, 0) 544 #define SYS_AMAIR_EL2 sys_reg(3, 4, 10, 3, 0) 545 546 #define SYS_VBAR_EL2 sys_reg(3, 4, 12, 0, 0) 547 #define SYS_RVBAR_EL2 sys_reg(3, 4, 12, 0, 1) 548 #define SYS_RMR_EL2 sys_reg(3, 4, 12, 0, 2) 549 #define SYS_VDISR_EL2 sys_reg(3, 4, 12, 1, 1) 550 #define __SYS__AP0Rx_EL2(x) sys_reg(3, 4, 12, 8, x) 551 #define SYS_ICH_AP0R0_EL2 __SYS__AP0Rx_EL2(0) 552 #define SYS_ICH_AP0R1_EL2 __SYS__AP0Rx_EL2(1) 553 #define SYS_ICH_AP0R2_EL2 __SYS__AP0Rx_EL2(2) 554 #define SYS_ICH_AP0R3_EL2 __SYS__AP0Rx_EL2(3) 555 556 #define __SYS__AP1Rx_EL2(x) sys_reg(3, 4, 12, 9, x) 557 #define SYS_ICH_AP1R0_EL2 __SYS__AP1Rx_EL2(0) 558 #define SYS_ICH_AP1R1_EL2 __SYS__AP1Rx_EL2(1) 559 #define SYS_ICH_AP1R2_EL2 __SYS__AP1Rx_EL2(2) 560 #define SYS_ICH_AP1R3_EL2 __SYS__AP1Rx_EL2(3) 561 562 #define SYS_ICH_VSEIR_EL2 sys_reg(3, 4, 12, 9, 4) 563 #define SYS_ICC_SRE_EL2 sys_reg(3, 4, 12, 9, 5) 564 #define SYS_ICH_HCR_EL2 sys_reg(3, 4, 12, 11, 0) 565 #define SYS_ICH_VTR_EL2 sys_reg(3, 4, 12, 11, 1) 566 #define SYS_ICH_MISR_EL2 sys_reg(3, 4, 12, 11, 2) 567 #define SYS_ICH_EISR_EL2 sys_reg(3, 4, 12, 11, 3) 568 #define SYS_ICH_ELRSR_EL2 sys_reg(3, 4, 12, 11, 5) 569 #define SYS_ICH_VMCR_EL2 sys_reg(3, 4, 12, 11, 7) 570 571 #define __SYS__LR0_EL2(x) sys_reg(3, 4, 12, 12, x) 572 #define SYS_ICH_LR0_EL2 __SYS__LR0_EL2(0) 573 #define SYS_ICH_LR1_EL2 __SYS__LR0_EL2(1) 574 #define SYS_ICH_LR2_EL2 __SYS__LR0_EL2(2) 575 #define SYS_ICH_LR3_EL2 __SYS__LR0_EL2(3) 576 #define SYS_ICH_LR4_EL2 __SYS__LR0_EL2(4) 577 #define SYS_ICH_LR5_EL2 __SYS__LR0_EL2(5) 578 #define SYS_ICH_LR6_EL2 __SYS__LR0_EL2(6) 579 #define SYS_ICH_LR7_EL2 __SYS__LR0_EL2(7) 580 581 #define __SYS__LR8_EL2(x) sys_reg(3, 4, 12, 13, x) 582 #define SYS_ICH_LR8_EL2 __SYS__LR8_EL2(0) 583 #define SYS_ICH_LR9_EL2 __SYS__LR8_EL2(1) 584 #define SYS_ICH_LR10_EL2 __SYS__LR8_EL2(2) 585 #define SYS_ICH_LR11_EL2 __SYS__LR8_EL2(3) 586 #define SYS_ICH_LR12_EL2 __SYS__LR8_EL2(4) 587 #define SYS_ICH_LR13_EL2 __SYS__LR8_EL2(5) 588 #define SYS_ICH_LR14_EL2 __SYS__LR8_EL2(6) 589 #define SYS_ICH_LR15_EL2 __SYS__LR8_EL2(7) 590 591 #define SYS_CONTEXTIDR_EL2 sys_reg(3, 4, 13, 0, 1) 592 #define SYS_TPIDR_EL2 sys_reg(3, 4, 13, 0, 2) 593 #define SYS_SCXTNUM_EL2 sys_reg(3, 4, 13, 0, 7) 594 595 #define __AMEV_op2(m) (m & 0x7) 596 #define __AMEV_CRm(n, m) (n | ((m & 0x8) >> 3)) 597 #define __SYS__AMEVCNTVOFF0n_EL2(m) sys_reg(3, 4, 13, __AMEV_CRm(0x8, m), __AMEV_op2(m)) 598 #define SYS_AMEVCNTVOFF0n_EL2(m) __SYS__AMEVCNTVOFF0n_EL2(m) 599 #define __SYS__AMEVCNTVOFF1n_EL2(m) sys_reg(3, 4, 13, __AMEV_CRm(0xA, m), __AMEV_op2(m)) 600 #define SYS_AMEVCNTVOFF1n_EL2(m) __SYS__AMEVCNTVOFF1n_EL2(m) 601 602 #define SYS_CNTVOFF_EL2 sys_reg(3, 4, 14, 0, 3) 603 #define SYS_CNTHCTL_EL2 sys_reg(3, 4, 14, 1, 0) 604 #define SYS_CNTHP_TVAL_EL2 sys_reg(3, 4, 14, 2, 0) 605 #define SYS_CNTHP_CTL_EL2 sys_reg(3, 4, 14, 2, 1) 606 #define SYS_CNTHP_CVAL_EL2 sys_reg(3, 4, 14, 2, 2) 607 #define SYS_CNTHV_TVAL_EL2 sys_reg(3, 4, 14, 3, 0) 608 #define SYS_CNTHV_CTL_EL2 sys_reg(3, 4, 14, 3, 1) 609 #define SYS_CNTHV_CVAL_EL2 sys_reg(3, 4, 14, 3, 2) 610 611 /* VHE encodings for architectural EL0/1 system registers */ 612 #define SYS_BRBCR_EL12 sys_reg(2, 5, 9, 0, 0) 613 #define SYS_SCTLR_EL12 sys_reg(3, 5, 1, 0, 0) 614 #define SYS_CPACR_EL12 sys_reg(3, 5, 1, 0, 2) 615 #define SYS_SCTLR2_EL12 sys_reg(3, 5, 1, 0, 3) 616 #define SYS_ZCR_EL12 sys_reg(3, 5, 1, 2, 0) 617 #define SYS_TRFCR_EL12 sys_reg(3, 5, 1, 2, 1) 618 #define SYS_SMCR_EL12 sys_reg(3, 5, 1, 2, 6) 619 #define SYS_TTBR0_EL12 sys_reg(3, 5, 2, 0, 0) 620 #define SYS_TTBR1_EL12 sys_reg(3, 5, 2, 0, 1) 621 #define SYS_TCR_EL12 sys_reg(3, 5, 2, 0, 2) 622 #define SYS_TCR2_EL12 sys_reg(3, 5, 2, 0, 3) 623 #define SYS_SPSR_EL12 sys_reg(3, 5, 4, 0, 0) 624 #define SYS_ELR_EL12 sys_reg(3, 5, 4, 0, 1) 625 #define SYS_AFSR0_EL12 sys_reg(3, 5, 5, 1, 0) 626 #define SYS_AFSR1_EL12 sys_reg(3, 5, 5, 1, 1) 627 #define SYS_ESR_EL12 sys_reg(3, 5, 5, 2, 0) 628 #define SYS_TFSR_EL12 sys_reg(3, 5, 5, 6, 0) 629 #define SYS_FAR_EL12 sys_reg(3, 5, 6, 0, 0) 630 #define SYS_PMSCR_EL12 sys_reg(3, 5, 9, 9, 0) 631 #define SYS_MAIR_EL12 sys_reg(3, 5, 10, 2, 0) 632 #define SYS_AMAIR_EL12 sys_reg(3, 5, 10, 3, 0) 633 #define SYS_VBAR_EL12 sys_reg(3, 5, 12, 0, 0) 634 #define SYS_CONTEXTIDR_EL12 sys_reg(3, 5, 13, 0, 1) 635 #define SYS_SCXTNUM_EL12 sys_reg(3, 5, 13, 0, 7) 636 #define SYS_CNTKCTL_EL12 sys_reg(3, 5, 14, 1, 0) 637 #define SYS_CNTP_TVAL_EL02 sys_reg(3, 5, 14, 2, 0) 638 #define SYS_CNTP_CTL_EL02 sys_reg(3, 5, 14, 2, 1) 639 #define SYS_CNTP_CVAL_EL02 sys_reg(3, 5, 14, 2, 2) 640 #define SYS_CNTV_TVAL_EL02 sys_reg(3, 5, 14, 3, 0) 641 #define SYS_CNTV_CTL_EL02 sys_reg(3, 5, 14, 3, 1) 642 #define SYS_CNTV_CVAL_EL02 sys_reg(3, 5, 14, 3, 2) 643 644 #define SYS_SP_EL2 sys_reg(3, 6, 4, 1, 0) 645 646 /* AT instructions */ 647 #define AT_Op0 1 648 #define AT_CRn 7 649 650 #define OP_AT_S1E1R sys_insn(AT_Op0, 0, AT_CRn, 8, 0) 651 #define OP_AT_S1E1W sys_insn(AT_Op0, 0, AT_CRn, 8, 1) 652 #define OP_AT_S1E0R sys_insn(AT_Op0, 0, AT_CRn, 8, 2) 653 #define OP_AT_S1E0W sys_insn(AT_Op0, 0, AT_CRn, 8, 3) 654 #define OP_AT_S1E1RP sys_insn(AT_Op0, 0, AT_CRn, 9, 0) 655 #define OP_AT_S1E1WP sys_insn(AT_Op0, 0, AT_CRn, 9, 1) 656 #define OP_AT_S1E1A sys_insn(AT_Op0, 0, AT_CRn, 9, 2) 657 #define OP_AT_S1E2R sys_insn(AT_Op0, 4, AT_CRn, 8, 0) 658 #define OP_AT_S1E2W sys_insn(AT_Op0, 4, AT_CRn, 8, 1) 659 #define OP_AT_S12E1R sys_insn(AT_Op0, 4, AT_CRn, 8, 4) 660 #define OP_AT_S12E1W sys_insn(AT_Op0, 4, AT_CRn, 8, 5) 661 #define OP_AT_S12E0R sys_insn(AT_Op0, 4, AT_CRn, 8, 6) 662 #define OP_AT_S12E0W sys_insn(AT_Op0, 4, AT_CRn, 8, 7) 663 #define OP_AT_S1E2A sys_insn(AT_Op0, 4, AT_CRn, 9, 2) 664 665 /* TLBI instructions */ 666 #define TLBI_Op0 1 667 668 #define TLBI_Op1_EL1 0 /* Accessible from EL1 or higher */ 669 #define TLBI_Op1_EL2 4 /* Accessible from EL2 or higher */ 670 671 #define TLBI_CRn_XS 8 /* Extra Slow (the common one) */ 672 #define TLBI_CRn_nXS 9 /* not Extra Slow (which nobody uses)*/ 673 674 #define TLBI_CRm_IPAIS 0 /* S2 Inner-Shareable */ 675 #define TLBI_CRm_nROS 1 /* non-Range, Outer-Sharable */ 676 #define TLBI_CRm_RIS 2 /* Range, Inner-Sharable */ 677 #define TLBI_CRm_nRIS 3 /* non-Range, Inner-Sharable */ 678 #define TLBI_CRm_IPAONS 4 /* S2 Outer and Non-Shareable */ 679 #define TLBI_CRm_ROS 5 /* Range, Outer-Sharable */ 680 #define TLBI_CRm_RNS 6 /* Range, Non-Sharable */ 681 #define TLBI_CRm_nRNS 7 /* non-Range, Non-Sharable */ 682 683 #define OP_TLBI_VMALLE1OS sys_insn(1, 0, 8, 1, 0) 684 #define OP_TLBI_VAE1OS sys_insn(1, 0, 8, 1, 1) 685 #define OP_TLBI_ASIDE1OS sys_insn(1, 0, 8, 1, 2) 686 #define OP_TLBI_VAAE1OS sys_insn(1, 0, 8, 1, 3) 687 #define OP_TLBI_VALE1OS sys_insn(1, 0, 8, 1, 5) 688 #define OP_TLBI_VAALE1OS sys_insn(1, 0, 8, 1, 7) 689 #define OP_TLBI_RVAE1IS sys_insn(1, 0, 8, 2, 1) 690 #define OP_TLBI_RVAAE1IS sys_insn(1, 0, 8, 2, 3) 691 #define OP_TLBI_RVALE1IS sys_insn(1, 0, 8, 2, 5) 692 #define OP_TLBI_RVAALE1IS sys_insn(1, 0, 8, 2, 7) 693 #define OP_TLBI_VMALLE1IS sys_insn(1, 0, 8, 3, 0) 694 #define OP_TLBI_VAE1IS sys_insn(1, 0, 8, 3, 1) 695 #define OP_TLBI_ASIDE1IS sys_insn(1, 0, 8, 3, 2) 696 #define OP_TLBI_VAAE1IS sys_insn(1, 0, 8, 3, 3) 697 #define OP_TLBI_VALE1IS sys_insn(1, 0, 8, 3, 5) 698 #define OP_TLBI_VAALE1IS sys_insn(1, 0, 8, 3, 7) 699 #define OP_TLBI_RVAE1OS sys_insn(1, 0, 8, 5, 1) 700 #define OP_TLBI_RVAAE1OS sys_insn(1, 0, 8, 5, 3) 701 #define OP_TLBI_RVALE1OS sys_insn(1, 0, 8, 5, 5) 702 #define OP_TLBI_RVAALE1OS sys_insn(1, 0, 8, 5, 7) 703 #define OP_TLBI_RVAE1 sys_insn(1, 0, 8, 6, 1) 704 #define OP_TLBI_RVAAE1 sys_insn(1, 0, 8, 6, 3) 705 #define OP_TLBI_RVALE1 sys_insn(1, 0, 8, 6, 5) 706 #define OP_TLBI_RVAALE1 sys_insn(1, 0, 8, 6, 7) 707 #define OP_TLBI_VMALLE1 sys_insn(1, 0, 8, 7, 0) 708 #define OP_TLBI_VAE1 sys_insn(1, 0, 8, 7, 1) 709 #define OP_TLBI_ASIDE1 sys_insn(1, 0, 8, 7, 2) 710 #define OP_TLBI_VAAE1 sys_insn(1, 0, 8, 7, 3) 711 #define OP_TLBI_VALE1 sys_insn(1, 0, 8, 7, 5) 712 #define OP_TLBI_VAALE1 sys_insn(1, 0, 8, 7, 7) 713 #define OP_TLBI_VMALLE1OSNXS sys_insn(1, 0, 9, 1, 0) 714 #define OP_TLBI_VAE1OSNXS sys_insn(1, 0, 9, 1, 1) 715 #define OP_TLBI_ASIDE1OSNXS sys_insn(1, 0, 9, 1, 2) 716 #define OP_TLBI_VAAE1OSNXS sys_insn(1, 0, 9, 1, 3) 717 #define OP_TLBI_VALE1OSNXS sys_insn(1, 0, 9, 1, 5) 718 #define OP_TLBI_VAALE1OSNXS sys_insn(1, 0, 9, 1, 7) 719 #define OP_TLBI_RVAE1ISNXS sys_insn(1, 0, 9, 2, 1) 720 #define OP_TLBI_RVAAE1ISNXS sys_insn(1, 0, 9, 2, 3) 721 #define OP_TLBI_RVALE1ISNXS sys_insn(1, 0, 9, 2, 5) 722 #define OP_TLBI_RVAALE1ISNXS sys_insn(1, 0, 9, 2, 7) 723 #define OP_TLBI_VMALLE1ISNXS sys_insn(1, 0, 9, 3, 0) 724 #define OP_TLBI_VAE1ISNXS sys_insn(1, 0, 9, 3, 1) 725 #define OP_TLBI_ASIDE1ISNXS sys_insn(1, 0, 9, 3, 2) 726 #define OP_TLBI_VAAE1ISNXS sys_insn(1, 0, 9, 3, 3) 727 #define OP_TLBI_VALE1ISNXS sys_insn(1, 0, 9, 3, 5) 728 #define OP_TLBI_VAALE1ISNXS sys_insn(1, 0, 9, 3, 7) 729 #define OP_TLBI_RVAE1OSNXS sys_insn(1, 0, 9, 5, 1) 730 #define OP_TLBI_RVAAE1OSNXS sys_insn(1, 0, 9, 5, 3) 731 #define OP_TLBI_RVALE1OSNXS sys_insn(1, 0, 9, 5, 5) 732 #define OP_TLBI_RVAALE1OSNXS sys_insn(1, 0, 9, 5, 7) 733 #define OP_TLBI_RVAE1NXS sys_insn(1, 0, 9, 6, 1) 734 #define OP_TLBI_RVAAE1NXS sys_insn(1, 0, 9, 6, 3) 735 #define OP_TLBI_RVALE1NXS sys_insn(1, 0, 9, 6, 5) 736 #define OP_TLBI_RVAALE1NXS sys_insn(1, 0, 9, 6, 7) 737 #define OP_TLBI_VMALLE1NXS sys_insn(1, 0, 9, 7, 0) 738 #define OP_TLBI_VAE1NXS sys_insn(1, 0, 9, 7, 1) 739 #define OP_TLBI_ASIDE1NXS sys_insn(1, 0, 9, 7, 2) 740 #define OP_TLBI_VAAE1NXS sys_insn(1, 0, 9, 7, 3) 741 #define OP_TLBI_VALE1NXS sys_insn(1, 0, 9, 7, 5) 742 #define OP_TLBI_VAALE1NXS sys_insn(1, 0, 9, 7, 7) 743 #define OP_TLBI_IPAS2E1IS sys_insn(1, 4, 8, 0, 1) 744 #define OP_TLBI_RIPAS2E1IS sys_insn(1, 4, 8, 0, 2) 745 #define OP_TLBI_IPAS2LE1IS sys_insn(1, 4, 8, 0, 5) 746 #define OP_TLBI_RIPAS2LE1IS sys_insn(1, 4, 8, 0, 6) 747 #define OP_TLBI_ALLE2OS sys_insn(1, 4, 8, 1, 0) 748 #define OP_TLBI_VAE2OS sys_insn(1, 4, 8, 1, 1) 749 #define OP_TLBI_ALLE1OS sys_insn(1, 4, 8, 1, 4) 750 #define OP_TLBI_VALE2OS sys_insn(1, 4, 8, 1, 5) 751 #define OP_TLBI_VMALLS12E1OS sys_insn(1, 4, 8, 1, 6) 752 #define OP_TLBI_RVAE2IS sys_insn(1, 4, 8, 2, 1) 753 #define OP_TLBI_RVALE2IS sys_insn(1, 4, 8, 2, 5) 754 #define OP_TLBI_ALLE2IS sys_insn(1, 4, 8, 3, 0) 755 #define OP_TLBI_VAE2IS sys_insn(1, 4, 8, 3, 1) 756 #define OP_TLBI_ALLE1IS sys_insn(1, 4, 8, 3, 4) 757 #define OP_TLBI_VALE2IS sys_insn(1, 4, 8, 3, 5) 758 #define OP_TLBI_VMALLS12E1IS sys_insn(1, 4, 8, 3, 6) 759 #define OP_TLBI_IPAS2E1OS sys_insn(1, 4, 8, 4, 0) 760 #define OP_TLBI_IPAS2E1 sys_insn(1, 4, 8, 4, 1) 761 #define OP_TLBI_RIPAS2E1 sys_insn(1, 4, 8, 4, 2) 762 #define OP_TLBI_RIPAS2E1OS sys_insn(1, 4, 8, 4, 3) 763 #define OP_TLBI_IPAS2LE1OS sys_insn(1, 4, 8, 4, 4) 764 #define OP_TLBI_IPAS2LE1 sys_insn(1, 4, 8, 4, 5) 765 #define OP_TLBI_RIPAS2LE1 sys_insn(1, 4, 8, 4, 6) 766 #define OP_TLBI_RIPAS2LE1OS sys_insn(1, 4, 8, 4, 7) 767 #define OP_TLBI_RVAE2OS sys_insn(1, 4, 8, 5, 1) 768 #define OP_TLBI_RVALE2OS sys_insn(1, 4, 8, 5, 5) 769 #define OP_TLBI_RVAE2 sys_insn(1, 4, 8, 6, 1) 770 #define OP_TLBI_RVALE2 sys_insn(1, 4, 8, 6, 5) 771 #define OP_TLBI_ALLE2 sys_insn(1, 4, 8, 7, 0) 772 #define OP_TLBI_VAE2 sys_insn(1, 4, 8, 7, 1) 773 #define OP_TLBI_ALLE1 sys_insn(1, 4, 8, 7, 4) 774 #define OP_TLBI_VALE2 sys_insn(1, 4, 8, 7, 5) 775 #define OP_TLBI_VMALLS12E1 sys_insn(1, 4, 8, 7, 6) 776 #define OP_TLBI_IPAS2E1ISNXS sys_insn(1, 4, 9, 0, 1) 777 #define OP_TLBI_RIPAS2E1ISNXS sys_insn(1, 4, 9, 0, 2) 778 #define OP_TLBI_IPAS2LE1ISNXS sys_insn(1, 4, 9, 0, 5) 779 #define OP_TLBI_RIPAS2LE1ISNXS sys_insn(1, 4, 9, 0, 6) 780 #define OP_TLBI_ALLE2OSNXS sys_insn(1, 4, 9, 1, 0) 781 #define OP_TLBI_VAE2OSNXS sys_insn(1, 4, 9, 1, 1) 782 #define OP_TLBI_ALLE1OSNXS sys_insn(1, 4, 9, 1, 4) 783 #define OP_TLBI_VALE2OSNXS sys_insn(1, 4, 9, 1, 5) 784 #define OP_TLBI_VMALLS12E1OSNXS sys_insn(1, 4, 9, 1, 6) 785 #define OP_TLBI_RVAE2ISNXS sys_insn(1, 4, 9, 2, 1) 786 #define OP_TLBI_RVALE2ISNXS sys_insn(1, 4, 9, 2, 5) 787 #define OP_TLBI_ALLE2ISNXS sys_insn(1, 4, 9, 3, 0) 788 #define OP_TLBI_VAE2ISNXS sys_insn(1, 4, 9, 3, 1) 789 #define OP_TLBI_ALLE1ISNXS sys_insn(1, 4, 9, 3, 4) 790 #define OP_TLBI_VALE2ISNXS sys_insn(1, 4, 9, 3, 5) 791 #define OP_TLBI_VMALLS12E1ISNXS sys_insn(1, 4, 9, 3, 6) 792 #define OP_TLBI_IPAS2E1OSNXS sys_insn(1, 4, 9, 4, 0) 793 #define OP_TLBI_IPAS2E1NXS sys_insn(1, 4, 9, 4, 1) 794 #define OP_TLBI_RIPAS2E1NXS sys_insn(1, 4, 9, 4, 2) 795 #define OP_TLBI_RIPAS2E1OSNXS sys_insn(1, 4, 9, 4, 3) 796 #define OP_TLBI_IPAS2LE1OSNXS sys_insn(1, 4, 9, 4, 4) 797 #define OP_TLBI_IPAS2LE1NXS sys_insn(1, 4, 9, 4, 5) 798 #define OP_TLBI_RIPAS2LE1NXS sys_insn(1, 4, 9, 4, 6) 799 #define OP_TLBI_RIPAS2LE1OSNXS sys_insn(1, 4, 9, 4, 7) 800 #define OP_TLBI_RVAE2OSNXS sys_insn(1, 4, 9, 5, 1) 801 #define OP_TLBI_RVALE2OSNXS sys_insn(1, 4, 9, 5, 5) 802 #define OP_TLBI_RVAE2NXS sys_insn(1, 4, 9, 6, 1) 803 #define OP_TLBI_RVALE2NXS sys_insn(1, 4, 9, 6, 5) 804 #define OP_TLBI_ALLE2NXS sys_insn(1, 4, 9, 7, 0) 805 #define OP_TLBI_VAE2NXS sys_insn(1, 4, 9, 7, 1) 806 #define OP_TLBI_ALLE1NXS sys_insn(1, 4, 9, 7, 4) 807 #define OP_TLBI_VALE2NXS sys_insn(1, 4, 9, 7, 5) 808 #define OP_TLBI_VMALLS12E1NXS sys_insn(1, 4, 9, 7, 6) 809 810 /* Misc instructions */ 811 #define OP_GCSPUSHX sys_insn(1, 0, 7, 7, 4) 812 #define OP_GCSPOPCX sys_insn(1, 0, 7, 7, 5) 813 #define OP_GCSPOPX sys_insn(1, 0, 7, 7, 6) 814 #define OP_GCSPUSHM sys_insn(1, 3, 7, 7, 0) 815 816 #define OP_BRB_IALL sys_insn(1, 1, 7, 2, 4) 817 #define OP_BRB_INJ sys_insn(1, 1, 7, 2, 5) 818 #define OP_CFP_RCTX sys_insn(1, 3, 7, 3, 4) 819 #define OP_DVP_RCTX sys_insn(1, 3, 7, 3, 5) 820 #define OP_COSP_RCTX sys_insn(1, 3, 7, 3, 6) 821 #define OP_CPP_RCTX sys_insn(1, 3, 7, 3, 7) 822 823 /* Common SCTLR_ELx flags. */ 824 #define SCTLR_ELx_ENTP2 (BIT(60)) 825 #define SCTLR_ELx_DSSBS (BIT(44)) 826 #define SCTLR_ELx_ATA (BIT(43)) 827 828 #define SCTLR_ELx_EE_SHIFT 25 829 #define SCTLR_ELx_ENIA_SHIFT 31 830 831 #define SCTLR_ELx_ITFSB (BIT(37)) 832 #define SCTLR_ELx_ENIA (BIT(SCTLR_ELx_ENIA_SHIFT)) 833 #define SCTLR_ELx_ENIB (BIT(30)) 834 #define SCTLR_ELx_LSMAOE (BIT(29)) 835 #define SCTLR_ELx_nTLSMD (BIT(28)) 836 #define SCTLR_ELx_ENDA (BIT(27)) 837 #define SCTLR_ELx_EE (BIT(SCTLR_ELx_EE_SHIFT)) 838 #define SCTLR_ELx_EIS (BIT(22)) 839 #define SCTLR_ELx_IESB (BIT(21)) 840 #define SCTLR_ELx_TSCXT (BIT(20)) 841 #define SCTLR_ELx_WXN (BIT(19)) 842 #define SCTLR_ELx_ENDB (BIT(13)) 843 #define SCTLR_ELx_I (BIT(12)) 844 #define SCTLR_ELx_EOS (BIT(11)) 845 #define SCTLR_ELx_SA (BIT(3)) 846 #define SCTLR_ELx_C (BIT(2)) 847 #define SCTLR_ELx_A (BIT(1)) 848 #define SCTLR_ELx_M (BIT(0)) 849 850 /* SCTLR_EL2 specific flags. */ 851 #define SCTLR_EL2_RES1 ((BIT(4)) | (BIT(5)) | (BIT(11)) | (BIT(16)) | \ 852 (BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \ 853 (BIT(29))) 854 855 #define SCTLR_EL2_BT (BIT(36)) 856 #ifdef CONFIG_CPU_BIG_ENDIAN 857 #define ENDIAN_SET_EL2 SCTLR_ELx_EE 858 #else 859 #define ENDIAN_SET_EL2 0 860 #endif 861 862 #define INIT_SCTLR_EL2_MMU_ON \ 863 (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA | SCTLR_ELx_I | \ 864 SCTLR_ELx_IESB | SCTLR_ELx_WXN | ENDIAN_SET_EL2 | \ 865 SCTLR_ELx_ITFSB | SCTLR_EL2_RES1) 866 867 #define INIT_SCTLR_EL2_MMU_OFF \ 868 (SCTLR_EL2_RES1 | ENDIAN_SET_EL2) 869 870 /* SCTLR_EL1 specific flags. */ 871 #ifdef CONFIG_CPU_BIG_ENDIAN 872 #define ENDIAN_SET_EL1 (SCTLR_EL1_E0E | SCTLR_ELx_EE) 873 #else 874 #define ENDIAN_SET_EL1 0 875 #endif 876 877 #define INIT_SCTLR_EL1_MMU_OFF \ 878 (ENDIAN_SET_EL1 | SCTLR_EL1_LSMAOE | SCTLR_EL1_nTLSMD | \ 879 SCTLR_EL1_EIS | SCTLR_EL1_TSCXT | SCTLR_EL1_EOS) 880 881 #define INIT_SCTLR_EL1_MMU_ON \ 882 (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA | \ 883 SCTLR_EL1_SA0 | SCTLR_EL1_SED | SCTLR_ELx_I | \ 884 SCTLR_EL1_DZE | SCTLR_EL1_UCT | SCTLR_EL1_nTWE | \ 885 SCTLR_ELx_IESB | SCTLR_EL1_SPAN | SCTLR_ELx_ITFSB | \ 886 ENDIAN_SET_EL1 | SCTLR_EL1_UCI | SCTLR_EL1_EPAN | \ 887 SCTLR_EL1_LSMAOE | SCTLR_EL1_nTLSMD | SCTLR_EL1_EIS | \ 888 SCTLR_EL1_TSCXT | SCTLR_EL1_EOS) 889 890 /* MAIR_ELx memory attributes (used by Linux) */ 891 #define MAIR_ATTR_DEVICE_nGnRnE UL(0x00) 892 #define MAIR_ATTR_DEVICE_nGnRE UL(0x04) 893 #define MAIR_ATTR_NORMAL_NC UL(0x44) 894 #define MAIR_ATTR_NORMAL_TAGGED UL(0xf0) 895 #define MAIR_ATTR_NORMAL UL(0xff) 896 #define MAIR_ATTR_MASK UL(0xff) 897 898 /* Position the attr at the correct index */ 899 #define MAIR_ATTRIDX(attr, idx) ((attr) << ((idx) * 8)) 900 901 /* id_aa64mmfr0 */ 902 #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN 0x0 903 #define ID_AA64MMFR0_EL1_TGRAN4_LPA2 ID_AA64MMFR0_EL1_TGRAN4_52_BIT 904 #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MAX 0x7 905 #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MIN 0x0 906 #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MAX 0x7 907 #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MIN 0x1 908 #define ID_AA64MMFR0_EL1_TGRAN16_LPA2 ID_AA64MMFR0_EL1_TGRAN16_52_BIT 909 #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MAX 0xf 910 911 #define ARM64_MIN_PARANGE_BITS 32 912 913 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_DEFAULT 0x0 914 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_NONE 0x1 915 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_MIN 0x2 916 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_LPA2 0x3 917 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_MAX 0x7 918 919 #ifdef CONFIG_ARM64_PA_BITS_52 920 #define ID_AA64MMFR0_EL1_PARANGE_MAX ID_AA64MMFR0_EL1_PARANGE_52 921 #else 922 #define ID_AA64MMFR0_EL1_PARANGE_MAX ID_AA64MMFR0_EL1_PARANGE_48 923 #endif 924 925 #if defined(CONFIG_ARM64_4K_PAGES) 926 #define ID_AA64MMFR0_EL1_TGRAN_SHIFT ID_AA64MMFR0_EL1_TGRAN4_SHIFT 927 #define ID_AA64MMFR0_EL1_TGRAN_LPA2 ID_AA64MMFR0_EL1_TGRAN4_52_BIT 928 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN 929 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MAX 930 #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT ID_AA64MMFR0_EL1_TGRAN4_2_SHIFT 931 #elif defined(CONFIG_ARM64_16K_PAGES) 932 #define ID_AA64MMFR0_EL1_TGRAN_SHIFT ID_AA64MMFR0_EL1_TGRAN16_SHIFT 933 #define ID_AA64MMFR0_EL1_TGRAN_LPA2 ID_AA64MMFR0_EL1_TGRAN16_52_BIT 934 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MIN 935 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MAX 936 #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT ID_AA64MMFR0_EL1_TGRAN16_2_SHIFT 937 #elif defined(CONFIG_ARM64_64K_PAGES) 938 #define ID_AA64MMFR0_EL1_TGRAN_SHIFT ID_AA64MMFR0_EL1_TGRAN64_SHIFT 939 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MIN 940 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MAX 941 #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT ID_AA64MMFR0_EL1_TGRAN64_2_SHIFT 942 #endif 943 944 #define CPACR_EL1_FPEN_EL1EN (BIT(20)) /* enable EL1 access */ 945 #define CPACR_EL1_FPEN_EL0EN (BIT(21)) /* enable EL0 access, if EL1EN set */ 946 947 #define CPACR_EL1_SMEN_EL1EN (BIT(24)) /* enable EL1 access */ 948 #define CPACR_EL1_SMEN_EL0EN (BIT(25)) /* enable EL0 access, if EL1EN set */ 949 950 #define CPACR_EL1_ZEN_EL1EN (BIT(16)) /* enable EL1 access */ 951 #define CPACR_EL1_ZEN_EL0EN (BIT(17)) /* enable EL0 access, if EL1EN set */ 952 953 /* GCR_EL1 Definitions */ 954 #define SYS_GCR_EL1_RRND (BIT(16)) 955 #define SYS_GCR_EL1_EXCL_MASK 0xffffUL 956 957 #ifdef CONFIG_KASAN_HW_TAGS 958 /* 959 * KASAN always uses a whole byte for its tags. With CONFIG_KASAN_HW_TAGS it 960 * only uses tags in the range 0xF0-0xFF, which we map to MTE tags 0x0-0xF. 961 */ 962 #define __MTE_TAG_MIN (KASAN_TAG_MIN & 0xf) 963 #define __MTE_TAG_MAX (KASAN_TAG_MAX & 0xf) 964 #define __MTE_TAG_INCL GENMASK(__MTE_TAG_MAX, __MTE_TAG_MIN) 965 #define KERNEL_GCR_EL1_EXCL (SYS_GCR_EL1_EXCL_MASK & ~__MTE_TAG_INCL) 966 #else 967 #define KERNEL_GCR_EL1_EXCL SYS_GCR_EL1_EXCL_MASK 968 #endif 969 970 #define KERNEL_GCR_EL1 (SYS_GCR_EL1_RRND | KERNEL_GCR_EL1_EXCL) 971 972 /* RGSR_EL1 Definitions */ 973 #define SYS_RGSR_EL1_TAG_MASK 0xfUL 974 #define SYS_RGSR_EL1_SEED_SHIFT 8 975 #define SYS_RGSR_EL1_SEED_MASK 0xffffUL 976 977 /* TFSR{,E0}_EL1 bit definitions */ 978 #define SYS_TFSR_EL1_TF0_SHIFT 0 979 #define SYS_TFSR_EL1_TF1_SHIFT 1 980 #define SYS_TFSR_EL1_TF0 (UL(1) << SYS_TFSR_EL1_TF0_SHIFT) 981 #define SYS_TFSR_EL1_TF1 (UL(1) << SYS_TFSR_EL1_TF1_SHIFT) 982 983 /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */ 984 #define SYS_MPIDR_SAFE_VAL (BIT(31)) 985 986 #define TRFCR_ELx_TS_SHIFT 5 987 #define TRFCR_ELx_TS_MASK ((0x3UL) << TRFCR_ELx_TS_SHIFT) 988 #define TRFCR_ELx_TS_VIRTUAL ((0x1UL) << TRFCR_ELx_TS_SHIFT) 989 #define TRFCR_ELx_TS_GUEST_PHYSICAL ((0x2UL) << TRFCR_ELx_TS_SHIFT) 990 #define TRFCR_ELx_TS_PHYSICAL ((0x3UL) << TRFCR_ELx_TS_SHIFT) 991 #define TRFCR_EL2_CX BIT(3) 992 #define TRFCR_ELx_ExTRE BIT(1) 993 #define TRFCR_ELx_E0TRE BIT(0) 994 995 /* GIC Hypervisor interface registers */ 996 /* ICH_MISR_EL2 bit definitions */ 997 #define ICH_MISR_EOI (1 << 0) 998 #define ICH_MISR_U (1 << 1) 999 1000 /* ICH_LR*_EL2 bit definitions */ 1001 #define ICH_LR_VIRTUAL_ID_MASK ((1ULL << 32) - 1) 1002 1003 #define ICH_LR_EOI (1ULL << 41) 1004 #define ICH_LR_GROUP (1ULL << 60) 1005 #define ICH_LR_HW (1ULL << 61) 1006 #define ICH_LR_STATE (3ULL << 62) 1007 #define ICH_LR_PENDING_BIT (1ULL << 62) 1008 #define ICH_LR_ACTIVE_BIT (1ULL << 63) 1009 #define ICH_LR_PHYS_ID_SHIFT 32 1010 #define ICH_LR_PHYS_ID_MASK (0x3ffULL << ICH_LR_PHYS_ID_SHIFT) 1011 #define ICH_LR_PRIORITY_SHIFT 48 1012 #define ICH_LR_PRIORITY_MASK (0xffULL << ICH_LR_PRIORITY_SHIFT) 1013 1014 /* ICH_HCR_EL2 bit definitions */ 1015 #define ICH_HCR_EN (1 << 0) 1016 #define ICH_HCR_UIE (1 << 1) 1017 #define ICH_HCR_NPIE (1 << 3) 1018 #define ICH_HCR_TC (1 << 10) 1019 #define ICH_HCR_TALL0 (1 << 11) 1020 #define ICH_HCR_TALL1 (1 << 12) 1021 #define ICH_HCR_TDIR (1 << 14) 1022 #define ICH_HCR_EOIcount_SHIFT 27 1023 #define ICH_HCR_EOIcount_MASK (0x1f << ICH_HCR_EOIcount_SHIFT) 1024 1025 /* ICH_VMCR_EL2 bit definitions */ 1026 #define ICH_VMCR_ACK_CTL_SHIFT 2 1027 #define ICH_VMCR_ACK_CTL_MASK (1 << ICH_VMCR_ACK_CTL_SHIFT) 1028 #define ICH_VMCR_FIQ_EN_SHIFT 3 1029 #define ICH_VMCR_FIQ_EN_MASK (1 << ICH_VMCR_FIQ_EN_SHIFT) 1030 #define ICH_VMCR_CBPR_SHIFT 4 1031 #define ICH_VMCR_CBPR_MASK (1 << ICH_VMCR_CBPR_SHIFT) 1032 #define ICH_VMCR_EOIM_SHIFT 9 1033 #define ICH_VMCR_EOIM_MASK (1 << ICH_VMCR_EOIM_SHIFT) 1034 #define ICH_VMCR_BPR1_SHIFT 18 1035 #define ICH_VMCR_BPR1_MASK (7 << ICH_VMCR_BPR1_SHIFT) 1036 #define ICH_VMCR_BPR0_SHIFT 21 1037 #define ICH_VMCR_BPR0_MASK (7 << ICH_VMCR_BPR0_SHIFT) 1038 #define ICH_VMCR_PMR_SHIFT 24 1039 #define ICH_VMCR_PMR_MASK (0xffUL << ICH_VMCR_PMR_SHIFT) 1040 #define ICH_VMCR_ENG0_SHIFT 0 1041 #define ICH_VMCR_ENG0_MASK (1 << ICH_VMCR_ENG0_SHIFT) 1042 #define ICH_VMCR_ENG1_SHIFT 1 1043 #define ICH_VMCR_ENG1_MASK (1 << ICH_VMCR_ENG1_SHIFT) 1044 1045 /* ICH_VTR_EL2 bit definitions */ 1046 #define ICH_VTR_PRI_BITS_SHIFT 29 1047 #define ICH_VTR_PRI_BITS_MASK (7 << ICH_VTR_PRI_BITS_SHIFT) 1048 #define ICH_VTR_ID_BITS_SHIFT 23 1049 #define ICH_VTR_ID_BITS_MASK (7 << ICH_VTR_ID_BITS_SHIFT) 1050 #define ICH_VTR_SEIS_SHIFT 22 1051 #define ICH_VTR_SEIS_MASK (1 << ICH_VTR_SEIS_SHIFT) 1052 #define ICH_VTR_A3V_SHIFT 21 1053 #define ICH_VTR_A3V_MASK (1 << ICH_VTR_A3V_SHIFT) 1054 #define ICH_VTR_TDS_SHIFT 19 1055 #define ICH_VTR_TDS_MASK (1 << ICH_VTR_TDS_SHIFT) 1056 1057 /* 1058 * Permission Indirection Extension (PIE) permission encodings. 1059 * Encodings with the _O suffix, have overlays applied (Permission Overlay Extension). 1060 */ 1061 #define PIE_NONE_O UL(0x0) 1062 #define PIE_R_O UL(0x1) 1063 #define PIE_X_O UL(0x2) 1064 #define PIE_RX_O UL(0x3) 1065 #define PIE_RW_O UL(0x5) 1066 #define PIE_RWnX_O UL(0x6) 1067 #define PIE_RWX_O UL(0x7) 1068 #define PIE_R UL(0x8) 1069 #define PIE_GCS UL(0x9) 1070 #define PIE_RX UL(0xa) 1071 #define PIE_RW UL(0xc) 1072 #define PIE_RWX UL(0xe) 1073 1074 #define PIRx_ELx_PERM(idx, perm) ((perm) << ((idx) * 4)) 1075 1076 /* 1077 * Permission Overlay Extension (POE) permission encodings. 1078 */ 1079 #define POE_NONE UL(0x0) 1080 #define POE_R UL(0x1) 1081 #define POE_X UL(0x2) 1082 #define POE_RX UL(0x3) 1083 #define POE_W UL(0x4) 1084 #define POE_RW UL(0x5) 1085 #define POE_XW UL(0x6) 1086 #define POE_RXW UL(0x7) 1087 #define POE_MASK UL(0xf) 1088 1089 /* Initial value for Permission Overlay Extension for EL0 */ 1090 #define POR_EL0_INIT POE_RXW 1091 1092 /* 1093 * Definitions for Guarded Control Stack 1094 */ 1095 1096 #define GCS_CAP_ADDR_MASK GENMASK(63, 12) 1097 #define GCS_CAP_ADDR_SHIFT 12 1098 #define GCS_CAP_ADDR_WIDTH 52 1099 #define GCS_CAP_ADDR(x) FIELD_GET(GCS_CAP_ADDR_MASK, x) 1100 1101 #define GCS_CAP_TOKEN_MASK GENMASK(11, 0) 1102 #define GCS_CAP_TOKEN_SHIFT 0 1103 #define GCS_CAP_TOKEN_WIDTH 12 1104 #define GCS_CAP_TOKEN(x) FIELD_GET(GCS_CAP_TOKEN_MASK, x) 1105 1106 #define GCS_CAP_VALID_TOKEN 0x1 1107 #define GCS_CAP_IN_PROGRESS_TOKEN 0x5 1108 1109 #define GCS_CAP(x) ((((unsigned long)x) & GCS_CAP_ADDR_MASK) | \ 1110 GCS_CAP_VALID_TOKEN) 1111 1112 #define ARM64_FEATURE_FIELD_BITS 4 1113 1114 /* Defined for compatibility only, do not add new users. */ 1115 #define ARM64_FEATURE_MASK(x) (x##_MASK) 1116 1117 #ifdef __ASSEMBLY__ 1118 1119 .macro mrs_s, rt, sreg 1120 __emit_inst(0xd5200000|(\sreg)|(.L__gpr_num_\rt)) 1121 .endm 1122 1123 .macro msr_s, sreg, rt 1124 __emit_inst(0xd5000000|(\sreg)|(.L__gpr_num_\rt)) 1125 .endm 1126 1127 #else 1128 1129 #include <linux/bitfield.h> 1130 #include <linux/build_bug.h> 1131 #include <linux/types.h> 1132 #include <asm/alternative.h> 1133 1134 #define DEFINE_MRS_S \ 1135 __DEFINE_ASM_GPR_NUMS \ 1136 " .macro mrs_s, rt, sreg\n" \ 1137 __emit_inst(0xd5200000|(\\sreg)|(.L__gpr_num_\\rt)) \ 1138 " .endm\n" 1139 1140 #define DEFINE_MSR_S \ 1141 __DEFINE_ASM_GPR_NUMS \ 1142 " .macro msr_s, sreg, rt\n" \ 1143 __emit_inst(0xd5000000|(\\sreg)|(.L__gpr_num_\\rt)) \ 1144 " .endm\n" 1145 1146 #define UNDEFINE_MRS_S \ 1147 " .purgem mrs_s\n" 1148 1149 #define UNDEFINE_MSR_S \ 1150 " .purgem msr_s\n" 1151 1152 #define __mrs_s(v, r) \ 1153 DEFINE_MRS_S \ 1154 " mrs_s " v ", " __stringify(r) "\n" \ 1155 UNDEFINE_MRS_S 1156 1157 #define __msr_s(r, v) \ 1158 DEFINE_MSR_S \ 1159 " msr_s " __stringify(r) ", " v "\n" \ 1160 UNDEFINE_MSR_S 1161 1162 /* 1163 * Unlike read_cpuid, calls to read_sysreg are never expected to be 1164 * optimized away or replaced with synthetic values. 1165 */ 1166 #define read_sysreg(r) ({ \ 1167 u64 __val; \ 1168 asm volatile("mrs %0, " __stringify(r) : "=r" (__val)); \ 1169 __val; \ 1170 }) 1171 1172 /* 1173 * The "Z" constraint normally means a zero immediate, but when combined with 1174 * the "%x0" template means XZR. 1175 */ 1176 #define write_sysreg(v, r) do { \ 1177 u64 __val = (u64)(v); \ 1178 asm volatile("msr " __stringify(r) ", %x0" \ 1179 : : "rZ" (__val)); \ 1180 } while (0) 1181 1182 /* 1183 * For registers without architectural names, or simply unsupported by 1184 * GAS. 1185 * 1186 * __check_r forces warnings to be generated by the compiler when 1187 * evaluating r which wouldn't normally happen due to being passed to 1188 * the assembler via __stringify(r). 1189 */ 1190 #define read_sysreg_s(r) ({ \ 1191 u64 __val; \ 1192 u32 __maybe_unused __check_r = (u32)(r); \ 1193 asm volatile(__mrs_s("%0", r) : "=r" (__val)); \ 1194 __val; \ 1195 }) 1196 1197 #define write_sysreg_s(v, r) do { \ 1198 u64 __val = (u64)(v); \ 1199 u32 __maybe_unused __check_r = (u32)(r); \ 1200 asm volatile(__msr_s(r, "%x0") : : "rZ" (__val)); \ 1201 } while (0) 1202 1203 /* 1204 * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the 1205 * set mask are set. Other bits are left as-is. 1206 */ 1207 #define sysreg_clear_set(sysreg, clear, set) do { \ 1208 u64 __scs_val = read_sysreg(sysreg); \ 1209 u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \ 1210 if (__scs_new != __scs_val) \ 1211 write_sysreg(__scs_new, sysreg); \ 1212 } while (0) 1213 1214 #define sysreg_clear_set_s(sysreg, clear, set) do { \ 1215 u64 __scs_val = read_sysreg_s(sysreg); \ 1216 u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \ 1217 if (__scs_new != __scs_val) \ 1218 write_sysreg_s(__scs_new, sysreg); \ 1219 } while (0) 1220 1221 #define read_sysreg_par() ({ \ 1222 u64 par; \ 1223 asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412)); \ 1224 par = read_sysreg(par_el1); \ 1225 asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412)); \ 1226 par; \ 1227 }) 1228 1229 #define SYS_FIELD_VALUE(reg, field, val) reg##_##field##_##val 1230 1231 #define SYS_FIELD_GET(reg, field, val) \ 1232 FIELD_GET(reg##_##field##_MASK, val) 1233 1234 #define SYS_FIELD_PREP(reg, field, val) \ 1235 FIELD_PREP(reg##_##field##_MASK, val) 1236 1237 #define SYS_FIELD_PREP_ENUM(reg, field, val) \ 1238 FIELD_PREP(reg##_##field##_MASK, \ 1239 SYS_FIELD_VALUE(reg, field, val)) 1240 1241 #endif 1242 1243 #endif /* __ASM_SYSREG_H */ 1244