1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Macros for accessing system registers with older binutils. 4 * 5 * Copyright (C) 2014 ARM Ltd. 6 * Author: Catalin Marinas <catalin.marinas@arm.com> 7 */ 8 9 #ifndef __ASM_SYSREG_H 10 #define __ASM_SYSREG_H 11 12 #include <linux/bits.h> 13 #include <linux/stringify.h> 14 #include <linux/kasan-tags.h> 15 16 #include <asm/gpr-num.h> 17 18 /* 19 * ARMv8 ARM reserves the following encoding for system registers: 20 * (Ref: ARMv8 ARM, Section: "System instruction class encoding overview", 21 * C5.2, version:ARM DDI 0487A.f) 22 * [20-19] : Op0 23 * [18-16] : Op1 24 * [15-12] : CRn 25 * [11-8] : CRm 26 * [7-5] : Op2 27 */ 28 #define Op0_shift 19 29 #define Op0_mask 0x3 30 #define Op1_shift 16 31 #define Op1_mask 0x7 32 #define CRn_shift 12 33 #define CRn_mask 0xf 34 #define CRm_shift 8 35 #define CRm_mask 0xf 36 #define Op2_shift 5 37 #define Op2_mask 0x7 38 39 #define sys_reg(op0, op1, crn, crm, op2) \ 40 (((op0) << Op0_shift) | ((op1) << Op1_shift) | \ 41 ((crn) << CRn_shift) | ((crm) << CRm_shift) | \ 42 ((op2) << Op2_shift)) 43 44 #define sys_insn sys_reg 45 46 #define sys_reg_Op0(id) (((id) >> Op0_shift) & Op0_mask) 47 #define sys_reg_Op1(id) (((id) >> Op1_shift) & Op1_mask) 48 #define sys_reg_CRn(id) (((id) >> CRn_shift) & CRn_mask) 49 #define sys_reg_CRm(id) (((id) >> CRm_shift) & CRm_mask) 50 #define sys_reg_Op2(id) (((id) >> Op2_shift) & Op2_mask) 51 52 #ifndef CONFIG_BROKEN_GAS_INST 53 54 #ifdef __ASSEMBLY__ 55 // The space separator is omitted so that __emit_inst(x) can be parsed as 56 // either an assembler directive or an assembler macro argument. 57 #define __emit_inst(x) .inst(x) 58 #else 59 #define __emit_inst(x) ".inst " __stringify((x)) "\n\t" 60 #endif 61 62 #else /* CONFIG_BROKEN_GAS_INST */ 63 64 #ifndef CONFIG_CPU_BIG_ENDIAN 65 #define __INSTR_BSWAP(x) (x) 66 #else /* CONFIG_CPU_BIG_ENDIAN */ 67 #define __INSTR_BSWAP(x) ((((x) << 24) & 0xff000000) | \ 68 (((x) << 8) & 0x00ff0000) | \ 69 (((x) >> 8) & 0x0000ff00) | \ 70 (((x) >> 24) & 0x000000ff)) 71 #endif /* CONFIG_CPU_BIG_ENDIAN */ 72 73 #ifdef __ASSEMBLY__ 74 #define __emit_inst(x) .long __INSTR_BSWAP(x) 75 #else /* __ASSEMBLY__ */ 76 #define __emit_inst(x) ".long " __stringify(__INSTR_BSWAP(x)) "\n\t" 77 #endif /* __ASSEMBLY__ */ 78 79 #endif /* CONFIG_BROKEN_GAS_INST */ 80 81 /* 82 * Instructions for modifying PSTATE fields. 83 * As per Arm ARM for v8-A, Section "C.5.1.3 op0 == 0b00, architectural hints, 84 * barriers and CLREX, and PSTATE access", ARM DDI 0487 C.a, system instructions 85 * for accessing PSTATE fields have the following encoding: 86 * Op0 = 0, CRn = 4 87 * Op1, Op2 encodes the PSTATE field modified and defines the constraints. 88 * CRm = Imm4 for the instruction. 89 * Rt = 0x1f 90 */ 91 #define pstate_field(op1, op2) ((op1) << Op1_shift | (op2) << Op2_shift) 92 #define PSTATE_Imm_shift CRm_shift 93 #define SET_PSTATE(x, r) __emit_inst(0xd500401f | PSTATE_ ## r | ((!!x) << PSTATE_Imm_shift)) 94 95 #define PSTATE_PAN pstate_field(0, 4) 96 #define PSTATE_UAO pstate_field(0, 3) 97 #define PSTATE_SSBS pstate_field(3, 1) 98 #define PSTATE_DIT pstate_field(3, 2) 99 #define PSTATE_TCO pstate_field(3, 4) 100 101 #define SET_PSTATE_PAN(x) SET_PSTATE((x), PAN) 102 #define SET_PSTATE_UAO(x) SET_PSTATE((x), UAO) 103 #define SET_PSTATE_SSBS(x) SET_PSTATE((x), SSBS) 104 #define SET_PSTATE_DIT(x) SET_PSTATE((x), DIT) 105 #define SET_PSTATE_TCO(x) SET_PSTATE((x), TCO) 106 107 #define set_pstate_pan(x) asm volatile(SET_PSTATE_PAN(x)) 108 #define set_pstate_uao(x) asm volatile(SET_PSTATE_UAO(x)) 109 #define set_pstate_ssbs(x) asm volatile(SET_PSTATE_SSBS(x)) 110 #define set_pstate_dit(x) asm volatile(SET_PSTATE_DIT(x)) 111 112 #define __SYS_BARRIER_INSN(CRm, op2, Rt) \ 113 __emit_inst(0xd5000000 | sys_insn(0, 3, 3, (CRm), (op2)) | ((Rt) & 0x1f)) 114 115 #define SB_BARRIER_INSN __SYS_BARRIER_INSN(0, 7, 31) 116 117 #define SYS_DC_ISW sys_insn(1, 0, 7, 6, 2) 118 #define SYS_DC_IGSW sys_insn(1, 0, 7, 6, 4) 119 #define SYS_DC_IGDSW sys_insn(1, 0, 7, 6, 6) 120 #define SYS_DC_CSW sys_insn(1, 0, 7, 10, 2) 121 #define SYS_DC_CGSW sys_insn(1, 0, 7, 10, 4) 122 #define SYS_DC_CGDSW sys_insn(1, 0, 7, 10, 6) 123 #define SYS_DC_CISW sys_insn(1, 0, 7, 14, 2) 124 #define SYS_DC_CIGSW sys_insn(1, 0, 7, 14, 4) 125 #define SYS_DC_CIGDSW sys_insn(1, 0, 7, 14, 6) 126 127 #define SYS_IC_IALLUIS sys_insn(1, 0, 7, 1, 0) 128 #define SYS_IC_IALLU sys_insn(1, 0, 7, 5, 0) 129 #define SYS_IC_IVAU sys_insn(1, 3, 7, 5, 1) 130 131 #define SYS_DC_IVAC sys_insn(1, 0, 7, 6, 1) 132 #define SYS_DC_IGVAC sys_insn(1, 0, 7, 6, 3) 133 #define SYS_DC_IGDVAC sys_insn(1, 0, 7, 6, 5) 134 135 #define SYS_DC_CVAC sys_insn(1, 3, 7, 10, 1) 136 #define SYS_DC_CGVAC sys_insn(1, 3, 7, 10, 3) 137 #define SYS_DC_CGDVAC sys_insn(1, 3, 7, 10, 5) 138 139 #define SYS_DC_CVAU sys_insn(1, 3, 7, 11, 1) 140 141 #define SYS_DC_CVAP sys_insn(1, 3, 7, 12, 1) 142 #define SYS_DC_CGVAP sys_insn(1, 3, 7, 12, 3) 143 #define SYS_DC_CGDVAP sys_insn(1, 3, 7, 12, 5) 144 145 #define SYS_DC_CVADP sys_insn(1, 3, 7, 13, 1) 146 #define SYS_DC_CGVADP sys_insn(1, 3, 7, 13, 3) 147 #define SYS_DC_CGDVADP sys_insn(1, 3, 7, 13, 5) 148 149 #define SYS_DC_CIVAC sys_insn(1, 3, 7, 14, 1) 150 #define SYS_DC_CIGVAC sys_insn(1, 3, 7, 14, 3) 151 #define SYS_DC_CIGDVAC sys_insn(1, 3, 7, 14, 5) 152 153 /* Data cache zero operations */ 154 #define SYS_DC_ZVA sys_insn(1, 3, 7, 4, 1) 155 #define SYS_DC_GVA sys_insn(1, 3, 7, 4, 3) 156 #define SYS_DC_GZVA sys_insn(1, 3, 7, 4, 4) 157 158 /* 159 * Automatically generated definitions for system registers, the 160 * manual encodings below are in the process of being converted to 161 * come from here. The header relies on the definition of sys_reg() 162 * earlier in this file. 163 */ 164 #include "asm/sysreg-defs.h" 165 166 /* 167 * System registers, organised loosely by encoding but grouped together 168 * where the architected name contains an index. e.g. ID_MMFR<n>_EL1. 169 */ 170 #define SYS_SVCR_SMSTOP_SM_EL0 sys_reg(0, 3, 4, 2, 3) 171 #define SYS_SVCR_SMSTART_SM_EL0 sys_reg(0, 3, 4, 3, 3) 172 #define SYS_SVCR_SMSTOP_SMZA_EL0 sys_reg(0, 3, 4, 6, 3) 173 174 #define SYS_DBGBVRn_EL1(n) sys_reg(2, 0, 0, n, 4) 175 #define SYS_DBGBCRn_EL1(n) sys_reg(2, 0, 0, n, 5) 176 #define SYS_DBGWVRn_EL1(n) sys_reg(2, 0, 0, n, 6) 177 #define SYS_DBGWCRn_EL1(n) sys_reg(2, 0, 0, n, 7) 178 #define SYS_MDRAR_EL1 sys_reg(2, 0, 1, 0, 0) 179 180 #define SYS_OSLSR_EL1 sys_reg(2, 0, 1, 1, 4) 181 #define OSLSR_EL1_OSLM_MASK (BIT(3) | BIT(0)) 182 #define OSLSR_EL1_OSLM_NI 0 183 #define OSLSR_EL1_OSLM_IMPLEMENTED BIT(3) 184 #define OSLSR_EL1_OSLK BIT(1) 185 186 #define SYS_OSDLR_EL1 sys_reg(2, 0, 1, 3, 4) 187 #define SYS_DBGPRCR_EL1 sys_reg(2, 0, 1, 4, 4) 188 #define SYS_DBGCLAIMSET_EL1 sys_reg(2, 0, 7, 8, 6) 189 #define SYS_DBGCLAIMCLR_EL1 sys_reg(2, 0, 7, 9, 6) 190 #define SYS_DBGAUTHSTATUS_EL1 sys_reg(2, 0, 7, 14, 6) 191 #define SYS_MDCCSR_EL0 sys_reg(2, 3, 0, 1, 0) 192 #define SYS_DBGDTR_EL0 sys_reg(2, 3, 0, 4, 0) 193 #define SYS_DBGDTRRX_EL0 sys_reg(2, 3, 0, 5, 0) 194 #define SYS_DBGDTRTX_EL0 sys_reg(2, 3, 0, 5, 0) 195 #define SYS_DBGVCR32_EL2 sys_reg(2, 4, 0, 7, 0) 196 197 #define SYS_BRBINF_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 0)) 198 #define SYS_BRBINFINJ_EL1 sys_reg(2, 1, 9, 1, 0) 199 #define SYS_BRBSRC_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 1)) 200 #define SYS_BRBSRCINJ_EL1 sys_reg(2, 1, 9, 1, 1) 201 #define SYS_BRBTGT_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 2)) 202 #define SYS_BRBTGTINJ_EL1 sys_reg(2, 1, 9, 1, 2) 203 #define SYS_BRBTS_EL1 sys_reg(2, 1, 9, 0, 2) 204 205 #define SYS_BRBCR_EL1 sys_reg(2, 1, 9, 0, 0) 206 #define SYS_BRBFCR_EL1 sys_reg(2, 1, 9, 0, 1) 207 #define SYS_BRBIDR0_EL1 sys_reg(2, 1, 9, 2, 0) 208 209 #define SYS_TRCITECR_EL1 sys_reg(3, 0, 1, 2, 3) 210 #define SYS_TRCACATR(m) sys_reg(2, 1, 2, ((m & 7) << 1), (2 | (m >> 3))) 211 #define SYS_TRCACVR(m) sys_reg(2, 1, 2, ((m & 7) << 1), (0 | (m >> 3))) 212 #define SYS_TRCAUTHSTATUS sys_reg(2, 1, 7, 14, 6) 213 #define SYS_TRCAUXCTLR sys_reg(2, 1, 0, 6, 0) 214 #define SYS_TRCBBCTLR sys_reg(2, 1, 0, 15, 0) 215 #define SYS_TRCCCCTLR sys_reg(2, 1, 0, 14, 0) 216 #define SYS_TRCCIDCCTLR0 sys_reg(2, 1, 3, 0, 2) 217 #define SYS_TRCCIDCCTLR1 sys_reg(2, 1, 3, 1, 2) 218 #define SYS_TRCCIDCVR(m) sys_reg(2, 1, 3, ((m & 7) << 1), 0) 219 #define SYS_TRCCLAIMCLR sys_reg(2, 1, 7, 9, 6) 220 #define SYS_TRCCLAIMSET sys_reg(2, 1, 7, 8, 6) 221 #define SYS_TRCCNTCTLR(m) sys_reg(2, 1, 0, (4 | (m & 3)), 5) 222 #define SYS_TRCCNTRLDVR(m) sys_reg(2, 1, 0, (0 | (m & 3)), 5) 223 #define SYS_TRCCNTVR(m) sys_reg(2, 1, 0, (8 | (m & 3)), 5) 224 #define SYS_TRCCONFIGR sys_reg(2, 1, 0, 4, 0) 225 #define SYS_TRCDEVARCH sys_reg(2, 1, 7, 15, 6) 226 #define SYS_TRCDEVID sys_reg(2, 1, 7, 2, 7) 227 #define SYS_TRCEVENTCTL0R sys_reg(2, 1, 0, 8, 0) 228 #define SYS_TRCEVENTCTL1R sys_reg(2, 1, 0, 9, 0) 229 #define SYS_TRCEXTINSELR(m) sys_reg(2, 1, 0, (8 | (m & 3)), 4) 230 #define SYS_TRCIDR0 sys_reg(2, 1, 0, 8, 7) 231 #define SYS_TRCIDR10 sys_reg(2, 1, 0, 2, 6) 232 #define SYS_TRCIDR11 sys_reg(2, 1, 0, 3, 6) 233 #define SYS_TRCIDR12 sys_reg(2, 1, 0, 4, 6) 234 #define SYS_TRCIDR13 sys_reg(2, 1, 0, 5, 6) 235 #define SYS_TRCIDR1 sys_reg(2, 1, 0, 9, 7) 236 #define SYS_TRCIDR2 sys_reg(2, 1, 0, 10, 7) 237 #define SYS_TRCIDR3 sys_reg(2, 1, 0, 11, 7) 238 #define SYS_TRCIDR4 sys_reg(2, 1, 0, 12, 7) 239 #define SYS_TRCIDR5 sys_reg(2, 1, 0, 13, 7) 240 #define SYS_TRCIDR6 sys_reg(2, 1, 0, 14, 7) 241 #define SYS_TRCIDR7 sys_reg(2, 1, 0, 15, 7) 242 #define SYS_TRCIDR8 sys_reg(2, 1, 0, 0, 6) 243 #define SYS_TRCIDR9 sys_reg(2, 1, 0, 1, 6) 244 #define SYS_TRCIMSPEC(m) sys_reg(2, 1, 0, (m & 7), 7) 245 #define SYS_TRCITEEDCR sys_reg(2, 1, 0, 2, 1) 246 #define SYS_TRCOSLSR sys_reg(2, 1, 1, 1, 4) 247 #define SYS_TRCPRGCTLR sys_reg(2, 1, 0, 1, 0) 248 #define SYS_TRCQCTLR sys_reg(2, 1, 0, 1, 1) 249 #define SYS_TRCRSCTLR(m) sys_reg(2, 1, 1, (m & 15), (0 | (m >> 4))) 250 #define SYS_TRCRSR sys_reg(2, 1, 0, 10, 0) 251 #define SYS_TRCSEQEVR(m) sys_reg(2, 1, 0, (m & 3), 4) 252 #define SYS_TRCSEQRSTEVR sys_reg(2, 1, 0, 6, 4) 253 #define SYS_TRCSEQSTR sys_reg(2, 1, 0, 7, 4) 254 #define SYS_TRCSSCCR(m) sys_reg(2, 1, 1, (m & 7), 2) 255 #define SYS_TRCSSCSR(m) sys_reg(2, 1, 1, (8 | (m & 7)), 2) 256 #define SYS_TRCSSPCICR(m) sys_reg(2, 1, 1, (m & 7), 3) 257 #define SYS_TRCSTALLCTLR sys_reg(2, 1, 0, 11, 0) 258 #define SYS_TRCSTATR sys_reg(2, 1, 0, 3, 0) 259 #define SYS_TRCSYNCPR sys_reg(2, 1, 0, 13, 0) 260 #define SYS_TRCTRACEIDR sys_reg(2, 1, 0, 0, 1) 261 #define SYS_TRCTSCTLR sys_reg(2, 1, 0, 12, 0) 262 #define SYS_TRCVICTLR sys_reg(2, 1, 0, 0, 2) 263 #define SYS_TRCVIIECTLR sys_reg(2, 1, 0, 1, 2) 264 #define SYS_TRCVIPCSSCTLR sys_reg(2, 1, 0, 3, 2) 265 #define SYS_TRCVISSCTLR sys_reg(2, 1, 0, 2, 2) 266 #define SYS_TRCVMIDCCTLR0 sys_reg(2, 1, 3, 2, 2) 267 #define SYS_TRCVMIDCCTLR1 sys_reg(2, 1, 3, 3, 2) 268 #define SYS_TRCVMIDCVR(m) sys_reg(2, 1, 3, ((m & 7) << 1), 1) 269 270 /* ETM */ 271 #define SYS_TRCOSLAR sys_reg(2, 1, 1, 0, 4) 272 273 #define SYS_BRBCR_EL2 sys_reg(2, 4, 9, 0, 0) 274 275 #define SYS_MIDR_EL1 sys_reg(3, 0, 0, 0, 0) 276 #define SYS_MPIDR_EL1 sys_reg(3, 0, 0, 0, 5) 277 #define SYS_REVIDR_EL1 sys_reg(3, 0, 0, 0, 6) 278 279 #define SYS_ACTLR_EL1 sys_reg(3, 0, 1, 0, 1) 280 #define SYS_RGSR_EL1 sys_reg(3, 0, 1, 0, 5) 281 #define SYS_GCR_EL1 sys_reg(3, 0, 1, 0, 6) 282 283 #define SYS_TRFCR_EL1 sys_reg(3, 0, 1, 2, 1) 284 285 #define SYS_TCR_EL1 sys_reg(3, 0, 2, 0, 2) 286 287 #define SYS_APIAKEYLO_EL1 sys_reg(3, 0, 2, 1, 0) 288 #define SYS_APIAKEYHI_EL1 sys_reg(3, 0, 2, 1, 1) 289 #define SYS_APIBKEYLO_EL1 sys_reg(3, 0, 2, 1, 2) 290 #define SYS_APIBKEYHI_EL1 sys_reg(3, 0, 2, 1, 3) 291 292 #define SYS_APDAKEYLO_EL1 sys_reg(3, 0, 2, 2, 0) 293 #define SYS_APDAKEYHI_EL1 sys_reg(3, 0, 2, 2, 1) 294 #define SYS_APDBKEYLO_EL1 sys_reg(3, 0, 2, 2, 2) 295 #define SYS_APDBKEYHI_EL1 sys_reg(3, 0, 2, 2, 3) 296 297 #define SYS_APGAKEYLO_EL1 sys_reg(3, 0, 2, 3, 0) 298 #define SYS_APGAKEYHI_EL1 sys_reg(3, 0, 2, 3, 1) 299 300 #define SYS_SPSR_EL1 sys_reg(3, 0, 4, 0, 0) 301 #define SYS_ELR_EL1 sys_reg(3, 0, 4, 0, 1) 302 303 #define SYS_ICC_PMR_EL1 sys_reg(3, 0, 4, 6, 0) 304 305 #define SYS_AFSR0_EL1 sys_reg(3, 0, 5, 1, 0) 306 #define SYS_AFSR1_EL1 sys_reg(3, 0, 5, 1, 1) 307 #define SYS_ESR_EL1 sys_reg(3, 0, 5, 2, 0) 308 309 #define SYS_ERRIDR_EL1 sys_reg(3, 0, 5, 3, 0) 310 #define SYS_ERRSELR_EL1 sys_reg(3, 0, 5, 3, 1) 311 #define SYS_ERXFR_EL1 sys_reg(3, 0, 5, 4, 0) 312 #define SYS_ERXCTLR_EL1 sys_reg(3, 0, 5, 4, 1) 313 #define SYS_ERXSTATUS_EL1 sys_reg(3, 0, 5, 4, 2) 314 #define SYS_ERXADDR_EL1 sys_reg(3, 0, 5, 4, 3) 315 #define SYS_ERXPFGF_EL1 sys_reg(3, 0, 5, 4, 4) 316 #define SYS_ERXPFGCTL_EL1 sys_reg(3, 0, 5, 4, 5) 317 #define SYS_ERXPFGCDN_EL1 sys_reg(3, 0, 5, 4, 6) 318 #define SYS_ERXMISC0_EL1 sys_reg(3, 0, 5, 5, 0) 319 #define SYS_ERXMISC1_EL1 sys_reg(3, 0, 5, 5, 1) 320 #define SYS_ERXMISC2_EL1 sys_reg(3, 0, 5, 5, 2) 321 #define SYS_ERXMISC3_EL1 sys_reg(3, 0, 5, 5, 3) 322 #define SYS_TFSR_EL1 sys_reg(3, 0, 5, 6, 0) 323 #define SYS_TFSRE0_EL1 sys_reg(3, 0, 5, 6, 1) 324 325 #define SYS_PAR_EL1 sys_reg(3, 0, 7, 4, 0) 326 327 #define SYS_PAR_EL1_F BIT(0) 328 #define SYS_PAR_EL1_FST GENMASK(6, 1) 329 330 /*** Statistical Profiling Extension ***/ 331 #define PMSEVFR_EL1_RES0_IMP \ 332 (GENMASK_ULL(47, 32) | GENMASK_ULL(23, 16) | GENMASK_ULL(11, 8) |\ 333 BIT_ULL(6) | BIT_ULL(4) | BIT_ULL(2) | BIT_ULL(0)) 334 #define PMSEVFR_EL1_RES0_V1P1 \ 335 (PMSEVFR_EL1_RES0_IMP & ~(BIT_ULL(18) | BIT_ULL(17) | BIT_ULL(11))) 336 #define PMSEVFR_EL1_RES0_V1P2 \ 337 (PMSEVFR_EL1_RES0_V1P1 & ~BIT_ULL(6)) 338 339 /* Buffer error reporting */ 340 #define PMBSR_EL1_FAULT_FSC_SHIFT PMBSR_EL1_MSS_SHIFT 341 #define PMBSR_EL1_FAULT_FSC_MASK PMBSR_EL1_MSS_MASK 342 343 #define PMBSR_EL1_BUF_BSC_SHIFT PMBSR_EL1_MSS_SHIFT 344 #define PMBSR_EL1_BUF_BSC_MASK PMBSR_EL1_MSS_MASK 345 346 #define PMBSR_EL1_BUF_BSC_FULL 0x1UL 347 348 /*** End of Statistical Profiling Extension ***/ 349 350 #define TRBSR_EL1_BSC_MASK GENMASK(5, 0) 351 #define TRBSR_EL1_BSC_SHIFT 0 352 353 #define SYS_PMINTENSET_EL1 sys_reg(3, 0, 9, 14, 1) 354 #define SYS_PMINTENCLR_EL1 sys_reg(3, 0, 9, 14, 2) 355 356 #define SYS_PMMIR_EL1 sys_reg(3, 0, 9, 14, 6) 357 358 #define SYS_MAIR_EL1 sys_reg(3, 0, 10, 2, 0) 359 #define SYS_AMAIR_EL1 sys_reg(3, 0, 10, 3, 0) 360 361 #define SYS_VBAR_EL1 sys_reg(3, 0, 12, 0, 0) 362 #define SYS_DISR_EL1 sys_reg(3, 0, 12, 1, 1) 363 364 #define SYS_ICC_IAR0_EL1 sys_reg(3, 0, 12, 8, 0) 365 #define SYS_ICC_EOIR0_EL1 sys_reg(3, 0, 12, 8, 1) 366 #define SYS_ICC_HPPIR0_EL1 sys_reg(3, 0, 12, 8, 2) 367 #define SYS_ICC_BPR0_EL1 sys_reg(3, 0, 12, 8, 3) 368 #define SYS_ICC_AP0Rn_EL1(n) sys_reg(3, 0, 12, 8, 4 | n) 369 #define SYS_ICC_AP0R0_EL1 SYS_ICC_AP0Rn_EL1(0) 370 #define SYS_ICC_AP0R1_EL1 SYS_ICC_AP0Rn_EL1(1) 371 #define SYS_ICC_AP0R2_EL1 SYS_ICC_AP0Rn_EL1(2) 372 #define SYS_ICC_AP0R3_EL1 SYS_ICC_AP0Rn_EL1(3) 373 #define SYS_ICC_AP1Rn_EL1(n) sys_reg(3, 0, 12, 9, n) 374 #define SYS_ICC_AP1R0_EL1 SYS_ICC_AP1Rn_EL1(0) 375 #define SYS_ICC_AP1R1_EL1 SYS_ICC_AP1Rn_EL1(1) 376 #define SYS_ICC_AP1R2_EL1 SYS_ICC_AP1Rn_EL1(2) 377 #define SYS_ICC_AP1R3_EL1 SYS_ICC_AP1Rn_EL1(3) 378 #define SYS_ICC_DIR_EL1 sys_reg(3, 0, 12, 11, 1) 379 #define SYS_ICC_RPR_EL1 sys_reg(3, 0, 12, 11, 3) 380 #define SYS_ICC_SGI1R_EL1 sys_reg(3, 0, 12, 11, 5) 381 #define SYS_ICC_ASGI1R_EL1 sys_reg(3, 0, 12, 11, 6) 382 #define SYS_ICC_SGI0R_EL1 sys_reg(3, 0, 12, 11, 7) 383 #define SYS_ICC_IAR1_EL1 sys_reg(3, 0, 12, 12, 0) 384 #define SYS_ICC_EOIR1_EL1 sys_reg(3, 0, 12, 12, 1) 385 #define SYS_ICC_HPPIR1_EL1 sys_reg(3, 0, 12, 12, 2) 386 #define SYS_ICC_BPR1_EL1 sys_reg(3, 0, 12, 12, 3) 387 #define SYS_ICC_CTLR_EL1 sys_reg(3, 0, 12, 12, 4) 388 #define SYS_ICC_SRE_EL1 sys_reg(3, 0, 12, 12, 5) 389 #define SYS_ICC_IGRPEN0_EL1 sys_reg(3, 0, 12, 12, 6) 390 #define SYS_ICC_IGRPEN1_EL1 sys_reg(3, 0, 12, 12, 7) 391 392 #define SYS_ACCDATA_EL1 sys_reg(3, 0, 13, 0, 5) 393 394 #define SYS_CNTKCTL_EL1 sys_reg(3, 0, 14, 1, 0) 395 396 #define SYS_AIDR_EL1 sys_reg(3, 1, 0, 0, 7) 397 398 #define SYS_RNDR_EL0 sys_reg(3, 3, 2, 4, 0) 399 #define SYS_RNDRRS_EL0 sys_reg(3, 3, 2, 4, 1) 400 401 #define SYS_PMCR_EL0 sys_reg(3, 3, 9, 12, 0) 402 #define SYS_PMCNTENSET_EL0 sys_reg(3, 3, 9, 12, 1) 403 #define SYS_PMCNTENCLR_EL0 sys_reg(3, 3, 9, 12, 2) 404 #define SYS_PMOVSCLR_EL0 sys_reg(3, 3, 9, 12, 3) 405 #define SYS_PMSWINC_EL0 sys_reg(3, 3, 9, 12, 4) 406 #define SYS_PMSELR_EL0 sys_reg(3, 3, 9, 12, 5) 407 #define SYS_PMCEID0_EL0 sys_reg(3, 3, 9, 12, 6) 408 #define SYS_PMCEID1_EL0 sys_reg(3, 3, 9, 12, 7) 409 #define SYS_PMCCNTR_EL0 sys_reg(3, 3, 9, 13, 0) 410 #define SYS_PMXEVTYPER_EL0 sys_reg(3, 3, 9, 13, 1) 411 #define SYS_PMXEVCNTR_EL0 sys_reg(3, 3, 9, 13, 2) 412 #define SYS_PMUSERENR_EL0 sys_reg(3, 3, 9, 14, 0) 413 #define SYS_PMOVSSET_EL0 sys_reg(3, 3, 9, 14, 3) 414 415 #define SYS_TPIDR_EL0 sys_reg(3, 3, 13, 0, 2) 416 #define SYS_TPIDRRO_EL0 sys_reg(3, 3, 13, 0, 3) 417 #define SYS_TPIDR2_EL0 sys_reg(3, 3, 13, 0, 5) 418 419 #define SYS_SCXTNUM_EL0 sys_reg(3, 3, 13, 0, 7) 420 421 /* Definitions for system register interface to AMU for ARMv8.4 onwards */ 422 #define SYS_AM_EL0(crm, op2) sys_reg(3, 3, 13, (crm), (op2)) 423 #define SYS_AMCR_EL0 SYS_AM_EL0(2, 0) 424 #define SYS_AMCFGR_EL0 SYS_AM_EL0(2, 1) 425 #define SYS_AMCGCR_EL0 SYS_AM_EL0(2, 2) 426 #define SYS_AMUSERENR_EL0 SYS_AM_EL0(2, 3) 427 #define SYS_AMCNTENCLR0_EL0 SYS_AM_EL0(2, 4) 428 #define SYS_AMCNTENSET0_EL0 SYS_AM_EL0(2, 5) 429 #define SYS_AMCNTENCLR1_EL0 SYS_AM_EL0(3, 0) 430 #define SYS_AMCNTENSET1_EL0 SYS_AM_EL0(3, 1) 431 432 /* 433 * Group 0 of activity monitors (architected): 434 * op0 op1 CRn CRm op2 435 * Counter: 11 011 1101 010:n<3> n<2:0> 436 * Type: 11 011 1101 011:n<3> n<2:0> 437 * n: 0-15 438 * 439 * Group 1 of activity monitors (auxiliary): 440 * op0 op1 CRn CRm op2 441 * Counter: 11 011 1101 110:n<3> n<2:0> 442 * Type: 11 011 1101 111:n<3> n<2:0> 443 * n: 0-15 444 */ 445 446 #define SYS_AMEVCNTR0_EL0(n) SYS_AM_EL0(4 + ((n) >> 3), (n) & 7) 447 #define SYS_AMEVTYPER0_EL0(n) SYS_AM_EL0(6 + ((n) >> 3), (n) & 7) 448 #define SYS_AMEVCNTR1_EL0(n) SYS_AM_EL0(12 + ((n) >> 3), (n) & 7) 449 #define SYS_AMEVTYPER1_EL0(n) SYS_AM_EL0(14 + ((n) >> 3), (n) & 7) 450 451 /* AMU v1: Fixed (architecturally defined) activity monitors */ 452 #define SYS_AMEVCNTR0_CORE_EL0 SYS_AMEVCNTR0_EL0(0) 453 #define SYS_AMEVCNTR0_CONST_EL0 SYS_AMEVCNTR0_EL0(1) 454 #define SYS_AMEVCNTR0_INST_RET_EL0 SYS_AMEVCNTR0_EL0(2) 455 #define SYS_AMEVCNTR0_MEM_STALL SYS_AMEVCNTR0_EL0(3) 456 457 #define SYS_CNTFRQ_EL0 sys_reg(3, 3, 14, 0, 0) 458 459 #define SYS_CNTPCT_EL0 sys_reg(3, 3, 14, 0, 1) 460 #define SYS_CNTPCTSS_EL0 sys_reg(3, 3, 14, 0, 5) 461 #define SYS_CNTVCTSS_EL0 sys_reg(3, 3, 14, 0, 6) 462 463 #define SYS_CNTP_TVAL_EL0 sys_reg(3, 3, 14, 2, 0) 464 #define SYS_CNTP_CTL_EL0 sys_reg(3, 3, 14, 2, 1) 465 #define SYS_CNTP_CVAL_EL0 sys_reg(3, 3, 14, 2, 2) 466 467 #define SYS_CNTV_CTL_EL0 sys_reg(3, 3, 14, 3, 1) 468 #define SYS_CNTV_CVAL_EL0 sys_reg(3, 3, 14, 3, 2) 469 470 #define SYS_AARCH32_CNTP_TVAL sys_reg(0, 0, 14, 2, 0) 471 #define SYS_AARCH32_CNTP_CTL sys_reg(0, 0, 14, 2, 1) 472 #define SYS_AARCH32_CNTPCT sys_reg(0, 0, 0, 14, 0) 473 #define SYS_AARCH32_CNTP_CVAL sys_reg(0, 2, 0, 14, 0) 474 #define SYS_AARCH32_CNTPCTSS sys_reg(0, 8, 0, 14, 0) 475 476 #define __PMEV_op2(n) ((n) & 0x7) 477 #define __CNTR_CRm(n) (0x8 | (((n) >> 3) & 0x3)) 478 #define SYS_PMEVCNTRn_EL0(n) sys_reg(3, 3, 14, __CNTR_CRm(n), __PMEV_op2(n)) 479 #define __TYPER_CRm(n) (0xc | (((n) >> 3) & 0x3)) 480 #define SYS_PMEVTYPERn_EL0(n) sys_reg(3, 3, 14, __TYPER_CRm(n), __PMEV_op2(n)) 481 482 #define SYS_PMCCFILTR_EL0 sys_reg(3, 3, 14, 15, 7) 483 484 #define SYS_VPIDR_EL2 sys_reg(3, 4, 0, 0, 0) 485 #define SYS_VMPIDR_EL2 sys_reg(3, 4, 0, 0, 5) 486 487 #define SYS_SCTLR_EL2 sys_reg(3, 4, 1, 0, 0) 488 #define SYS_ACTLR_EL2 sys_reg(3, 4, 1, 0, 1) 489 #define SYS_SCTLR2_EL2 sys_reg(3, 4, 1, 0, 3) 490 #define SYS_HCR_EL2 sys_reg(3, 4, 1, 1, 0) 491 #define SYS_MDCR_EL2 sys_reg(3, 4, 1, 1, 1) 492 #define SYS_CPTR_EL2 sys_reg(3, 4, 1, 1, 2) 493 #define SYS_HSTR_EL2 sys_reg(3, 4, 1, 1, 3) 494 #define SYS_HACR_EL2 sys_reg(3, 4, 1, 1, 7) 495 496 #define SYS_TTBR0_EL2 sys_reg(3, 4, 2, 0, 0) 497 #define SYS_TTBR1_EL2 sys_reg(3, 4, 2, 0, 1) 498 #define SYS_TCR_EL2 sys_reg(3, 4, 2, 0, 2) 499 #define SYS_VTTBR_EL2 sys_reg(3, 4, 2, 1, 0) 500 #define SYS_VTCR_EL2 sys_reg(3, 4, 2, 1, 2) 501 502 #define SYS_TRFCR_EL2 sys_reg(3, 4, 1, 2, 1) 503 #define SYS_VNCR_EL2 sys_reg(3, 4, 2, 2, 0) 504 #define SYS_HAFGRTR_EL2 sys_reg(3, 4, 3, 1, 6) 505 #define SYS_SPSR_EL2 sys_reg(3, 4, 4, 0, 0) 506 #define SYS_ELR_EL2 sys_reg(3, 4, 4, 0, 1) 507 #define SYS_SP_EL1 sys_reg(3, 4, 4, 1, 0) 508 #define SYS_SPSR_irq sys_reg(3, 4, 4, 3, 0) 509 #define SYS_SPSR_abt sys_reg(3, 4, 4, 3, 1) 510 #define SYS_SPSR_und sys_reg(3, 4, 4, 3, 2) 511 #define SYS_SPSR_fiq sys_reg(3, 4, 4, 3, 3) 512 #define SYS_IFSR32_EL2 sys_reg(3, 4, 5, 0, 1) 513 #define SYS_AFSR0_EL2 sys_reg(3, 4, 5, 1, 0) 514 #define SYS_AFSR1_EL2 sys_reg(3, 4, 5, 1, 1) 515 #define SYS_ESR_EL2 sys_reg(3, 4, 5, 2, 0) 516 #define SYS_VSESR_EL2 sys_reg(3, 4, 5, 2, 3) 517 #define SYS_FPEXC32_EL2 sys_reg(3, 4, 5, 3, 0) 518 #define SYS_TFSR_EL2 sys_reg(3, 4, 5, 6, 0) 519 520 #define SYS_FAR_EL2 sys_reg(3, 4, 6, 0, 0) 521 #define SYS_HPFAR_EL2 sys_reg(3, 4, 6, 0, 4) 522 523 #define SYS_MAIR_EL2 sys_reg(3, 4, 10, 2, 0) 524 #define SYS_AMAIR_EL2 sys_reg(3, 4, 10, 3, 0) 525 #define SYS_MPAMHCR_EL2 sys_reg(3, 4, 10, 4, 0) 526 #define SYS_MPAMVPMV_EL2 sys_reg(3, 4, 10, 4, 1) 527 #define SYS_MPAM2_EL2 sys_reg(3, 4, 10, 5, 0) 528 #define __SYS__MPAMVPMx_EL2(x) sys_reg(3, 4, 10, 6, x) 529 #define SYS_MPAMVPM0_EL2 __SYS__MPAMVPMx_EL2(0) 530 #define SYS_MPAMVPM1_EL2 __SYS__MPAMVPMx_EL2(1) 531 #define SYS_MPAMVPM2_EL2 __SYS__MPAMVPMx_EL2(2) 532 #define SYS_MPAMVPM3_EL2 __SYS__MPAMVPMx_EL2(3) 533 #define SYS_MPAMVPM4_EL2 __SYS__MPAMVPMx_EL2(4) 534 #define SYS_MPAMVPM5_EL2 __SYS__MPAMVPMx_EL2(5) 535 #define SYS_MPAMVPM6_EL2 __SYS__MPAMVPMx_EL2(6) 536 #define SYS_MPAMVPM7_EL2 __SYS__MPAMVPMx_EL2(7) 537 538 #define SYS_VBAR_EL2 sys_reg(3, 4, 12, 0, 0) 539 #define SYS_RVBAR_EL2 sys_reg(3, 4, 12, 0, 1) 540 #define SYS_RMR_EL2 sys_reg(3, 4, 12, 0, 2) 541 #define SYS_VDISR_EL2 sys_reg(3, 4, 12, 1, 1) 542 #define __SYS__AP0Rx_EL2(x) sys_reg(3, 4, 12, 8, x) 543 #define SYS_ICH_AP0R0_EL2 __SYS__AP0Rx_EL2(0) 544 #define SYS_ICH_AP0R1_EL2 __SYS__AP0Rx_EL2(1) 545 #define SYS_ICH_AP0R2_EL2 __SYS__AP0Rx_EL2(2) 546 #define SYS_ICH_AP0R3_EL2 __SYS__AP0Rx_EL2(3) 547 548 #define __SYS__AP1Rx_EL2(x) sys_reg(3, 4, 12, 9, x) 549 #define SYS_ICH_AP1R0_EL2 __SYS__AP1Rx_EL2(0) 550 #define SYS_ICH_AP1R1_EL2 __SYS__AP1Rx_EL2(1) 551 #define SYS_ICH_AP1R2_EL2 __SYS__AP1Rx_EL2(2) 552 #define SYS_ICH_AP1R3_EL2 __SYS__AP1Rx_EL2(3) 553 554 #define SYS_ICH_VSEIR_EL2 sys_reg(3, 4, 12, 9, 4) 555 #define SYS_ICC_SRE_EL2 sys_reg(3, 4, 12, 9, 5) 556 #define SYS_ICH_HCR_EL2 sys_reg(3, 4, 12, 11, 0) 557 #define SYS_ICH_VTR_EL2 sys_reg(3, 4, 12, 11, 1) 558 #define SYS_ICH_MISR_EL2 sys_reg(3, 4, 12, 11, 2) 559 #define SYS_ICH_EISR_EL2 sys_reg(3, 4, 12, 11, 3) 560 #define SYS_ICH_ELRSR_EL2 sys_reg(3, 4, 12, 11, 5) 561 #define SYS_ICH_VMCR_EL2 sys_reg(3, 4, 12, 11, 7) 562 563 #define __SYS__LR0_EL2(x) sys_reg(3, 4, 12, 12, x) 564 #define SYS_ICH_LR0_EL2 __SYS__LR0_EL2(0) 565 #define SYS_ICH_LR1_EL2 __SYS__LR0_EL2(1) 566 #define SYS_ICH_LR2_EL2 __SYS__LR0_EL2(2) 567 #define SYS_ICH_LR3_EL2 __SYS__LR0_EL2(3) 568 #define SYS_ICH_LR4_EL2 __SYS__LR0_EL2(4) 569 #define SYS_ICH_LR5_EL2 __SYS__LR0_EL2(5) 570 #define SYS_ICH_LR6_EL2 __SYS__LR0_EL2(6) 571 #define SYS_ICH_LR7_EL2 __SYS__LR0_EL2(7) 572 573 #define __SYS__LR8_EL2(x) sys_reg(3, 4, 12, 13, x) 574 #define SYS_ICH_LR8_EL2 __SYS__LR8_EL2(0) 575 #define SYS_ICH_LR9_EL2 __SYS__LR8_EL2(1) 576 #define SYS_ICH_LR10_EL2 __SYS__LR8_EL2(2) 577 #define SYS_ICH_LR11_EL2 __SYS__LR8_EL2(3) 578 #define SYS_ICH_LR12_EL2 __SYS__LR8_EL2(4) 579 #define SYS_ICH_LR13_EL2 __SYS__LR8_EL2(5) 580 #define SYS_ICH_LR14_EL2 __SYS__LR8_EL2(6) 581 #define SYS_ICH_LR15_EL2 __SYS__LR8_EL2(7) 582 583 #define SYS_CONTEXTIDR_EL2 sys_reg(3, 4, 13, 0, 1) 584 #define SYS_TPIDR_EL2 sys_reg(3, 4, 13, 0, 2) 585 #define SYS_SCXTNUM_EL2 sys_reg(3, 4, 13, 0, 7) 586 587 #define __AMEV_op2(m) (m & 0x7) 588 #define __AMEV_CRm(n, m) (n | ((m & 0x8) >> 3)) 589 #define __SYS__AMEVCNTVOFF0n_EL2(m) sys_reg(3, 4, 13, __AMEV_CRm(0x8, m), __AMEV_op2(m)) 590 #define SYS_AMEVCNTVOFF0n_EL2(m) __SYS__AMEVCNTVOFF0n_EL2(m) 591 #define __SYS__AMEVCNTVOFF1n_EL2(m) sys_reg(3, 4, 13, __AMEV_CRm(0xA, m), __AMEV_op2(m)) 592 #define SYS_AMEVCNTVOFF1n_EL2(m) __SYS__AMEVCNTVOFF1n_EL2(m) 593 594 #define SYS_CNTVOFF_EL2 sys_reg(3, 4, 14, 0, 3) 595 #define SYS_CNTHCTL_EL2 sys_reg(3, 4, 14, 1, 0) 596 #define SYS_CNTHP_TVAL_EL2 sys_reg(3, 4, 14, 2, 0) 597 #define SYS_CNTHP_CTL_EL2 sys_reg(3, 4, 14, 2, 1) 598 #define SYS_CNTHP_CVAL_EL2 sys_reg(3, 4, 14, 2, 2) 599 #define SYS_CNTHV_TVAL_EL2 sys_reg(3, 4, 14, 3, 0) 600 #define SYS_CNTHV_CTL_EL2 sys_reg(3, 4, 14, 3, 1) 601 #define SYS_CNTHV_CVAL_EL2 sys_reg(3, 4, 14, 3, 2) 602 603 /* VHE encodings for architectural EL0/1 system registers */ 604 #define SYS_BRBCR_EL12 sys_reg(2, 5, 9, 0, 0) 605 #define SYS_SCTLR_EL12 sys_reg(3, 5, 1, 0, 0) 606 #define SYS_CPACR_EL12 sys_reg(3, 5, 1, 0, 2) 607 #define SYS_SCTLR2_EL12 sys_reg(3, 5, 1, 0, 3) 608 #define SYS_ZCR_EL12 sys_reg(3, 5, 1, 2, 0) 609 #define SYS_TRFCR_EL12 sys_reg(3, 5, 1, 2, 1) 610 #define SYS_SMCR_EL12 sys_reg(3, 5, 1, 2, 6) 611 #define SYS_TTBR0_EL12 sys_reg(3, 5, 2, 0, 0) 612 #define SYS_TTBR1_EL12 sys_reg(3, 5, 2, 0, 1) 613 #define SYS_TCR_EL12 sys_reg(3, 5, 2, 0, 2) 614 #define SYS_TCR2_EL12 sys_reg(3, 5, 2, 0, 3) 615 #define SYS_SPSR_EL12 sys_reg(3, 5, 4, 0, 0) 616 #define SYS_ELR_EL12 sys_reg(3, 5, 4, 0, 1) 617 #define SYS_AFSR0_EL12 sys_reg(3, 5, 5, 1, 0) 618 #define SYS_AFSR1_EL12 sys_reg(3, 5, 5, 1, 1) 619 #define SYS_ESR_EL12 sys_reg(3, 5, 5, 2, 0) 620 #define SYS_TFSR_EL12 sys_reg(3, 5, 5, 6, 0) 621 #define SYS_FAR_EL12 sys_reg(3, 5, 6, 0, 0) 622 #define SYS_PMSCR_EL12 sys_reg(3, 5, 9, 9, 0) 623 #define SYS_MAIR_EL12 sys_reg(3, 5, 10, 2, 0) 624 #define SYS_AMAIR_EL12 sys_reg(3, 5, 10, 3, 0) 625 #define SYS_VBAR_EL12 sys_reg(3, 5, 12, 0, 0) 626 #define SYS_CONTEXTIDR_EL12 sys_reg(3, 5, 13, 0, 1) 627 #define SYS_SCXTNUM_EL12 sys_reg(3, 5, 13, 0, 7) 628 #define SYS_CNTKCTL_EL12 sys_reg(3, 5, 14, 1, 0) 629 #define SYS_CNTP_TVAL_EL02 sys_reg(3, 5, 14, 2, 0) 630 #define SYS_CNTP_CTL_EL02 sys_reg(3, 5, 14, 2, 1) 631 #define SYS_CNTP_CVAL_EL02 sys_reg(3, 5, 14, 2, 2) 632 #define SYS_CNTV_TVAL_EL02 sys_reg(3, 5, 14, 3, 0) 633 #define SYS_CNTV_CTL_EL02 sys_reg(3, 5, 14, 3, 1) 634 #define SYS_CNTV_CVAL_EL02 sys_reg(3, 5, 14, 3, 2) 635 636 #define SYS_SP_EL2 sys_reg(3, 6, 4, 1, 0) 637 638 /* AT instructions */ 639 #define AT_Op0 1 640 #define AT_CRn 7 641 642 #define OP_AT_S1E1R sys_insn(AT_Op0, 0, AT_CRn, 8, 0) 643 #define OP_AT_S1E1W sys_insn(AT_Op0, 0, AT_CRn, 8, 1) 644 #define OP_AT_S1E0R sys_insn(AT_Op0, 0, AT_CRn, 8, 2) 645 #define OP_AT_S1E0W sys_insn(AT_Op0, 0, AT_CRn, 8, 3) 646 #define OP_AT_S1E1RP sys_insn(AT_Op0, 0, AT_CRn, 9, 0) 647 #define OP_AT_S1E1WP sys_insn(AT_Op0, 0, AT_CRn, 9, 1) 648 #define OP_AT_S1E1A sys_insn(AT_Op0, 0, AT_CRn, 9, 2) 649 #define OP_AT_S1E2R sys_insn(AT_Op0, 4, AT_CRn, 8, 0) 650 #define OP_AT_S1E2W sys_insn(AT_Op0, 4, AT_CRn, 8, 1) 651 #define OP_AT_S12E1R sys_insn(AT_Op0, 4, AT_CRn, 8, 4) 652 #define OP_AT_S12E1W sys_insn(AT_Op0, 4, AT_CRn, 8, 5) 653 #define OP_AT_S12E0R sys_insn(AT_Op0, 4, AT_CRn, 8, 6) 654 #define OP_AT_S12E0W sys_insn(AT_Op0, 4, AT_CRn, 8, 7) 655 656 /* TLBI instructions */ 657 #define OP_TLBI_VMALLE1OS sys_insn(1, 0, 8, 1, 0) 658 #define OP_TLBI_VAE1OS sys_insn(1, 0, 8, 1, 1) 659 #define OP_TLBI_ASIDE1OS sys_insn(1, 0, 8, 1, 2) 660 #define OP_TLBI_VAAE1OS sys_insn(1, 0, 8, 1, 3) 661 #define OP_TLBI_VALE1OS sys_insn(1, 0, 8, 1, 5) 662 #define OP_TLBI_VAALE1OS sys_insn(1, 0, 8, 1, 7) 663 #define OP_TLBI_RVAE1IS sys_insn(1, 0, 8, 2, 1) 664 #define OP_TLBI_RVAAE1IS sys_insn(1, 0, 8, 2, 3) 665 #define OP_TLBI_RVALE1IS sys_insn(1, 0, 8, 2, 5) 666 #define OP_TLBI_RVAALE1IS sys_insn(1, 0, 8, 2, 7) 667 #define OP_TLBI_VMALLE1IS sys_insn(1, 0, 8, 3, 0) 668 #define OP_TLBI_VAE1IS sys_insn(1, 0, 8, 3, 1) 669 #define OP_TLBI_ASIDE1IS sys_insn(1, 0, 8, 3, 2) 670 #define OP_TLBI_VAAE1IS sys_insn(1, 0, 8, 3, 3) 671 #define OP_TLBI_VALE1IS sys_insn(1, 0, 8, 3, 5) 672 #define OP_TLBI_VAALE1IS sys_insn(1, 0, 8, 3, 7) 673 #define OP_TLBI_RVAE1OS sys_insn(1, 0, 8, 5, 1) 674 #define OP_TLBI_RVAAE1OS sys_insn(1, 0, 8, 5, 3) 675 #define OP_TLBI_RVALE1OS sys_insn(1, 0, 8, 5, 5) 676 #define OP_TLBI_RVAALE1OS sys_insn(1, 0, 8, 5, 7) 677 #define OP_TLBI_RVAE1 sys_insn(1, 0, 8, 6, 1) 678 #define OP_TLBI_RVAAE1 sys_insn(1, 0, 8, 6, 3) 679 #define OP_TLBI_RVALE1 sys_insn(1, 0, 8, 6, 5) 680 #define OP_TLBI_RVAALE1 sys_insn(1, 0, 8, 6, 7) 681 #define OP_TLBI_VMALLE1 sys_insn(1, 0, 8, 7, 0) 682 #define OP_TLBI_VAE1 sys_insn(1, 0, 8, 7, 1) 683 #define OP_TLBI_ASIDE1 sys_insn(1, 0, 8, 7, 2) 684 #define OP_TLBI_VAAE1 sys_insn(1, 0, 8, 7, 3) 685 #define OP_TLBI_VALE1 sys_insn(1, 0, 8, 7, 5) 686 #define OP_TLBI_VAALE1 sys_insn(1, 0, 8, 7, 7) 687 #define OP_TLBI_VMALLE1OSNXS sys_insn(1, 0, 9, 1, 0) 688 #define OP_TLBI_VAE1OSNXS sys_insn(1, 0, 9, 1, 1) 689 #define OP_TLBI_ASIDE1OSNXS sys_insn(1, 0, 9, 1, 2) 690 #define OP_TLBI_VAAE1OSNXS sys_insn(1, 0, 9, 1, 3) 691 #define OP_TLBI_VALE1OSNXS sys_insn(1, 0, 9, 1, 5) 692 #define OP_TLBI_VAALE1OSNXS sys_insn(1, 0, 9, 1, 7) 693 #define OP_TLBI_RVAE1ISNXS sys_insn(1, 0, 9, 2, 1) 694 #define OP_TLBI_RVAAE1ISNXS sys_insn(1, 0, 9, 2, 3) 695 #define OP_TLBI_RVALE1ISNXS sys_insn(1, 0, 9, 2, 5) 696 #define OP_TLBI_RVAALE1ISNXS sys_insn(1, 0, 9, 2, 7) 697 #define OP_TLBI_VMALLE1ISNXS sys_insn(1, 0, 9, 3, 0) 698 #define OP_TLBI_VAE1ISNXS sys_insn(1, 0, 9, 3, 1) 699 #define OP_TLBI_ASIDE1ISNXS sys_insn(1, 0, 9, 3, 2) 700 #define OP_TLBI_VAAE1ISNXS sys_insn(1, 0, 9, 3, 3) 701 #define OP_TLBI_VALE1ISNXS sys_insn(1, 0, 9, 3, 5) 702 #define OP_TLBI_VAALE1ISNXS sys_insn(1, 0, 9, 3, 7) 703 #define OP_TLBI_RVAE1OSNXS sys_insn(1, 0, 9, 5, 1) 704 #define OP_TLBI_RVAAE1OSNXS sys_insn(1, 0, 9, 5, 3) 705 #define OP_TLBI_RVALE1OSNXS sys_insn(1, 0, 9, 5, 5) 706 #define OP_TLBI_RVAALE1OSNXS sys_insn(1, 0, 9, 5, 7) 707 #define OP_TLBI_RVAE1NXS sys_insn(1, 0, 9, 6, 1) 708 #define OP_TLBI_RVAAE1NXS sys_insn(1, 0, 9, 6, 3) 709 #define OP_TLBI_RVALE1NXS sys_insn(1, 0, 9, 6, 5) 710 #define OP_TLBI_RVAALE1NXS sys_insn(1, 0, 9, 6, 7) 711 #define OP_TLBI_VMALLE1NXS sys_insn(1, 0, 9, 7, 0) 712 #define OP_TLBI_VAE1NXS sys_insn(1, 0, 9, 7, 1) 713 #define OP_TLBI_ASIDE1NXS sys_insn(1, 0, 9, 7, 2) 714 #define OP_TLBI_VAAE1NXS sys_insn(1, 0, 9, 7, 3) 715 #define OP_TLBI_VALE1NXS sys_insn(1, 0, 9, 7, 5) 716 #define OP_TLBI_VAALE1NXS sys_insn(1, 0, 9, 7, 7) 717 #define OP_TLBI_IPAS2E1IS sys_insn(1, 4, 8, 0, 1) 718 #define OP_TLBI_RIPAS2E1IS sys_insn(1, 4, 8, 0, 2) 719 #define OP_TLBI_IPAS2LE1IS sys_insn(1, 4, 8, 0, 5) 720 #define OP_TLBI_RIPAS2LE1IS sys_insn(1, 4, 8, 0, 6) 721 #define OP_TLBI_ALLE2OS sys_insn(1, 4, 8, 1, 0) 722 #define OP_TLBI_VAE2OS sys_insn(1, 4, 8, 1, 1) 723 #define OP_TLBI_ALLE1OS sys_insn(1, 4, 8, 1, 4) 724 #define OP_TLBI_VALE2OS sys_insn(1, 4, 8, 1, 5) 725 #define OP_TLBI_VMALLS12E1OS sys_insn(1, 4, 8, 1, 6) 726 #define OP_TLBI_RVAE2IS sys_insn(1, 4, 8, 2, 1) 727 #define OP_TLBI_RVALE2IS sys_insn(1, 4, 8, 2, 5) 728 #define OP_TLBI_ALLE2IS sys_insn(1, 4, 8, 3, 0) 729 #define OP_TLBI_VAE2IS sys_insn(1, 4, 8, 3, 1) 730 #define OP_TLBI_ALLE1IS sys_insn(1, 4, 8, 3, 4) 731 #define OP_TLBI_VALE2IS sys_insn(1, 4, 8, 3, 5) 732 #define OP_TLBI_VMALLS12E1IS sys_insn(1, 4, 8, 3, 6) 733 #define OP_TLBI_IPAS2E1OS sys_insn(1, 4, 8, 4, 0) 734 #define OP_TLBI_IPAS2E1 sys_insn(1, 4, 8, 4, 1) 735 #define OP_TLBI_RIPAS2E1 sys_insn(1, 4, 8, 4, 2) 736 #define OP_TLBI_RIPAS2E1OS sys_insn(1, 4, 8, 4, 3) 737 #define OP_TLBI_IPAS2LE1OS sys_insn(1, 4, 8, 4, 4) 738 #define OP_TLBI_IPAS2LE1 sys_insn(1, 4, 8, 4, 5) 739 #define OP_TLBI_RIPAS2LE1 sys_insn(1, 4, 8, 4, 6) 740 #define OP_TLBI_RIPAS2LE1OS sys_insn(1, 4, 8, 4, 7) 741 #define OP_TLBI_RVAE2OS sys_insn(1, 4, 8, 5, 1) 742 #define OP_TLBI_RVALE2OS sys_insn(1, 4, 8, 5, 5) 743 #define OP_TLBI_RVAE2 sys_insn(1, 4, 8, 6, 1) 744 #define OP_TLBI_RVALE2 sys_insn(1, 4, 8, 6, 5) 745 #define OP_TLBI_ALLE2 sys_insn(1, 4, 8, 7, 0) 746 #define OP_TLBI_VAE2 sys_insn(1, 4, 8, 7, 1) 747 #define OP_TLBI_ALLE1 sys_insn(1, 4, 8, 7, 4) 748 #define OP_TLBI_VALE2 sys_insn(1, 4, 8, 7, 5) 749 #define OP_TLBI_VMALLS12E1 sys_insn(1, 4, 8, 7, 6) 750 #define OP_TLBI_IPAS2E1ISNXS sys_insn(1, 4, 9, 0, 1) 751 #define OP_TLBI_RIPAS2E1ISNXS sys_insn(1, 4, 9, 0, 2) 752 #define OP_TLBI_IPAS2LE1ISNXS sys_insn(1, 4, 9, 0, 5) 753 #define OP_TLBI_RIPAS2LE1ISNXS sys_insn(1, 4, 9, 0, 6) 754 #define OP_TLBI_ALLE2OSNXS sys_insn(1, 4, 9, 1, 0) 755 #define OP_TLBI_VAE2OSNXS sys_insn(1, 4, 9, 1, 1) 756 #define OP_TLBI_ALLE1OSNXS sys_insn(1, 4, 9, 1, 4) 757 #define OP_TLBI_VALE2OSNXS sys_insn(1, 4, 9, 1, 5) 758 #define OP_TLBI_VMALLS12E1OSNXS sys_insn(1, 4, 9, 1, 6) 759 #define OP_TLBI_RVAE2ISNXS sys_insn(1, 4, 9, 2, 1) 760 #define OP_TLBI_RVALE2ISNXS sys_insn(1, 4, 9, 2, 5) 761 #define OP_TLBI_ALLE2ISNXS sys_insn(1, 4, 9, 3, 0) 762 #define OP_TLBI_VAE2ISNXS sys_insn(1, 4, 9, 3, 1) 763 #define OP_TLBI_ALLE1ISNXS sys_insn(1, 4, 9, 3, 4) 764 #define OP_TLBI_VALE2ISNXS sys_insn(1, 4, 9, 3, 5) 765 #define OP_TLBI_VMALLS12E1ISNXS sys_insn(1, 4, 9, 3, 6) 766 #define OP_TLBI_IPAS2E1OSNXS sys_insn(1, 4, 9, 4, 0) 767 #define OP_TLBI_IPAS2E1NXS sys_insn(1, 4, 9, 4, 1) 768 #define OP_TLBI_RIPAS2E1NXS sys_insn(1, 4, 9, 4, 2) 769 #define OP_TLBI_RIPAS2E1OSNXS sys_insn(1, 4, 9, 4, 3) 770 #define OP_TLBI_IPAS2LE1OSNXS sys_insn(1, 4, 9, 4, 4) 771 #define OP_TLBI_IPAS2LE1NXS sys_insn(1, 4, 9, 4, 5) 772 #define OP_TLBI_RIPAS2LE1NXS sys_insn(1, 4, 9, 4, 6) 773 #define OP_TLBI_RIPAS2LE1OSNXS sys_insn(1, 4, 9, 4, 7) 774 #define OP_TLBI_RVAE2OSNXS sys_insn(1, 4, 9, 5, 1) 775 #define OP_TLBI_RVALE2OSNXS sys_insn(1, 4, 9, 5, 5) 776 #define OP_TLBI_RVAE2NXS sys_insn(1, 4, 9, 6, 1) 777 #define OP_TLBI_RVALE2NXS sys_insn(1, 4, 9, 6, 5) 778 #define OP_TLBI_ALLE2NXS sys_insn(1, 4, 9, 7, 0) 779 #define OP_TLBI_VAE2NXS sys_insn(1, 4, 9, 7, 1) 780 #define OP_TLBI_ALLE1NXS sys_insn(1, 4, 9, 7, 4) 781 #define OP_TLBI_VALE2NXS sys_insn(1, 4, 9, 7, 5) 782 #define OP_TLBI_VMALLS12E1NXS sys_insn(1, 4, 9, 7, 6) 783 784 /* Misc instructions */ 785 #define OP_GCSPUSHX sys_insn(1, 0, 7, 7, 4) 786 #define OP_GCSPOPCX sys_insn(1, 0, 7, 7, 5) 787 #define OP_GCSPOPX sys_insn(1, 0, 7, 7, 6) 788 #define OP_GCSPUSHM sys_insn(1, 3, 7, 7, 0) 789 790 #define OP_BRB_IALL sys_insn(1, 1, 7, 2, 4) 791 #define OP_BRB_INJ sys_insn(1, 1, 7, 2, 5) 792 #define OP_CFP_RCTX sys_insn(1, 3, 7, 3, 4) 793 #define OP_DVP_RCTX sys_insn(1, 3, 7, 3, 5) 794 #define OP_COSP_RCTX sys_insn(1, 3, 7, 3, 6) 795 #define OP_CPP_RCTX sys_insn(1, 3, 7, 3, 7) 796 797 /* Common SCTLR_ELx flags. */ 798 #define SCTLR_ELx_ENTP2 (BIT(60)) 799 #define SCTLR_ELx_DSSBS (BIT(44)) 800 #define SCTLR_ELx_ATA (BIT(43)) 801 802 #define SCTLR_ELx_EE_SHIFT 25 803 #define SCTLR_ELx_ENIA_SHIFT 31 804 805 #define SCTLR_ELx_ITFSB (BIT(37)) 806 #define SCTLR_ELx_ENIA (BIT(SCTLR_ELx_ENIA_SHIFT)) 807 #define SCTLR_ELx_ENIB (BIT(30)) 808 #define SCTLR_ELx_LSMAOE (BIT(29)) 809 #define SCTLR_ELx_nTLSMD (BIT(28)) 810 #define SCTLR_ELx_ENDA (BIT(27)) 811 #define SCTLR_ELx_EE (BIT(SCTLR_ELx_EE_SHIFT)) 812 #define SCTLR_ELx_EIS (BIT(22)) 813 #define SCTLR_ELx_IESB (BIT(21)) 814 #define SCTLR_ELx_TSCXT (BIT(20)) 815 #define SCTLR_ELx_WXN (BIT(19)) 816 #define SCTLR_ELx_ENDB (BIT(13)) 817 #define SCTLR_ELx_I (BIT(12)) 818 #define SCTLR_ELx_EOS (BIT(11)) 819 #define SCTLR_ELx_SA (BIT(3)) 820 #define SCTLR_ELx_C (BIT(2)) 821 #define SCTLR_ELx_A (BIT(1)) 822 #define SCTLR_ELx_M (BIT(0)) 823 824 /* SCTLR_EL2 specific flags. */ 825 #define SCTLR_EL2_RES1 ((BIT(4)) | (BIT(5)) | (BIT(11)) | (BIT(16)) | \ 826 (BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \ 827 (BIT(29))) 828 829 #define SCTLR_EL2_BT (BIT(36)) 830 #ifdef CONFIG_CPU_BIG_ENDIAN 831 #define ENDIAN_SET_EL2 SCTLR_ELx_EE 832 #else 833 #define ENDIAN_SET_EL2 0 834 #endif 835 836 #define INIT_SCTLR_EL2_MMU_ON \ 837 (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA | SCTLR_ELx_I | \ 838 SCTLR_ELx_IESB | SCTLR_ELx_WXN | ENDIAN_SET_EL2 | \ 839 SCTLR_ELx_ITFSB | SCTLR_EL2_RES1) 840 841 #define INIT_SCTLR_EL2_MMU_OFF \ 842 (SCTLR_EL2_RES1 | ENDIAN_SET_EL2) 843 844 /* SCTLR_EL1 specific flags. */ 845 #ifdef CONFIG_CPU_BIG_ENDIAN 846 #define ENDIAN_SET_EL1 (SCTLR_EL1_E0E | SCTLR_ELx_EE) 847 #else 848 #define ENDIAN_SET_EL1 0 849 #endif 850 851 #define INIT_SCTLR_EL1_MMU_OFF \ 852 (ENDIAN_SET_EL1 | SCTLR_EL1_LSMAOE | SCTLR_EL1_nTLSMD | \ 853 SCTLR_EL1_EIS | SCTLR_EL1_TSCXT | SCTLR_EL1_EOS) 854 855 #define INIT_SCTLR_EL1_MMU_ON \ 856 (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA | \ 857 SCTLR_EL1_SA0 | SCTLR_EL1_SED | SCTLR_ELx_I | \ 858 SCTLR_EL1_DZE | SCTLR_EL1_UCT | SCTLR_EL1_nTWE | \ 859 SCTLR_ELx_IESB | SCTLR_EL1_SPAN | SCTLR_ELx_ITFSB | \ 860 ENDIAN_SET_EL1 | SCTLR_EL1_UCI | SCTLR_EL1_EPAN | \ 861 SCTLR_EL1_LSMAOE | SCTLR_EL1_nTLSMD | SCTLR_EL1_EIS | \ 862 SCTLR_EL1_TSCXT | SCTLR_EL1_EOS) 863 864 /* MAIR_ELx memory attributes (used by Linux) */ 865 #define MAIR_ATTR_DEVICE_nGnRnE UL(0x00) 866 #define MAIR_ATTR_DEVICE_nGnRE UL(0x04) 867 #define MAIR_ATTR_NORMAL_NC UL(0x44) 868 #define MAIR_ATTR_NORMAL_TAGGED UL(0xf0) 869 #define MAIR_ATTR_NORMAL UL(0xff) 870 #define MAIR_ATTR_MASK UL(0xff) 871 872 /* Position the attr at the correct index */ 873 #define MAIR_ATTRIDX(attr, idx) ((attr) << ((idx) * 8)) 874 875 /* id_aa64pfr0 */ 876 #define ID_AA64PFR0_EL1_ELx_64BIT_ONLY 0x1 877 #define ID_AA64PFR0_EL1_ELx_32BIT_64BIT 0x2 878 879 /* id_aa64mmfr0 */ 880 #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN 0x0 881 #define ID_AA64MMFR0_EL1_TGRAN4_LPA2 ID_AA64MMFR0_EL1_TGRAN4_52_BIT 882 #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MAX 0x7 883 #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MIN 0x0 884 #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MAX 0x7 885 #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MIN 0x1 886 #define ID_AA64MMFR0_EL1_TGRAN16_LPA2 ID_AA64MMFR0_EL1_TGRAN16_52_BIT 887 #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MAX 0xf 888 889 #define ARM64_MIN_PARANGE_BITS 32 890 891 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_DEFAULT 0x0 892 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_NONE 0x1 893 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_MIN 0x2 894 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_LPA2 0x3 895 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_MAX 0x7 896 897 #ifdef CONFIG_ARM64_PA_BITS_52 898 #define ID_AA64MMFR0_EL1_PARANGE_MAX ID_AA64MMFR0_EL1_PARANGE_52 899 #else 900 #define ID_AA64MMFR0_EL1_PARANGE_MAX ID_AA64MMFR0_EL1_PARANGE_48 901 #endif 902 903 #if defined(CONFIG_ARM64_4K_PAGES) 904 #define ID_AA64MMFR0_EL1_TGRAN_SHIFT ID_AA64MMFR0_EL1_TGRAN4_SHIFT 905 #define ID_AA64MMFR0_EL1_TGRAN_LPA2 ID_AA64MMFR0_EL1_TGRAN4_52_BIT 906 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN 907 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MAX 908 #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT ID_AA64MMFR0_EL1_TGRAN4_2_SHIFT 909 #elif defined(CONFIG_ARM64_16K_PAGES) 910 #define ID_AA64MMFR0_EL1_TGRAN_SHIFT ID_AA64MMFR0_EL1_TGRAN16_SHIFT 911 #define ID_AA64MMFR0_EL1_TGRAN_LPA2 ID_AA64MMFR0_EL1_TGRAN16_52_BIT 912 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MIN 913 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MAX 914 #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT ID_AA64MMFR0_EL1_TGRAN16_2_SHIFT 915 #elif defined(CONFIG_ARM64_64K_PAGES) 916 #define ID_AA64MMFR0_EL1_TGRAN_SHIFT ID_AA64MMFR0_EL1_TGRAN64_SHIFT 917 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MIN 918 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MAX 919 #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT ID_AA64MMFR0_EL1_TGRAN64_2_SHIFT 920 #endif 921 922 #define CPACR_EL1_FPEN_EL1EN (BIT(20)) /* enable EL1 access */ 923 #define CPACR_EL1_FPEN_EL0EN (BIT(21)) /* enable EL0 access, if EL1EN set */ 924 925 #define CPACR_EL1_SMEN_EL1EN (BIT(24)) /* enable EL1 access */ 926 #define CPACR_EL1_SMEN_EL0EN (BIT(25)) /* enable EL0 access, if EL1EN set */ 927 928 #define CPACR_EL1_ZEN_EL1EN (BIT(16)) /* enable EL1 access */ 929 #define CPACR_EL1_ZEN_EL0EN (BIT(17)) /* enable EL0 access, if EL1EN set */ 930 931 /* GCR_EL1 Definitions */ 932 #define SYS_GCR_EL1_RRND (BIT(16)) 933 #define SYS_GCR_EL1_EXCL_MASK 0xffffUL 934 935 #ifdef CONFIG_KASAN_HW_TAGS 936 /* 937 * KASAN always uses a whole byte for its tags. With CONFIG_KASAN_HW_TAGS it 938 * only uses tags in the range 0xF0-0xFF, which we map to MTE tags 0x0-0xF. 939 */ 940 #define __MTE_TAG_MIN (KASAN_TAG_MIN & 0xf) 941 #define __MTE_TAG_MAX (KASAN_TAG_MAX & 0xf) 942 #define __MTE_TAG_INCL GENMASK(__MTE_TAG_MAX, __MTE_TAG_MIN) 943 #define KERNEL_GCR_EL1_EXCL (SYS_GCR_EL1_EXCL_MASK & ~__MTE_TAG_INCL) 944 #else 945 #define KERNEL_GCR_EL1_EXCL SYS_GCR_EL1_EXCL_MASK 946 #endif 947 948 #define KERNEL_GCR_EL1 (SYS_GCR_EL1_RRND | KERNEL_GCR_EL1_EXCL) 949 950 /* RGSR_EL1 Definitions */ 951 #define SYS_RGSR_EL1_TAG_MASK 0xfUL 952 #define SYS_RGSR_EL1_SEED_SHIFT 8 953 #define SYS_RGSR_EL1_SEED_MASK 0xffffUL 954 955 /* TFSR{,E0}_EL1 bit definitions */ 956 #define SYS_TFSR_EL1_TF0_SHIFT 0 957 #define SYS_TFSR_EL1_TF1_SHIFT 1 958 #define SYS_TFSR_EL1_TF0 (UL(1) << SYS_TFSR_EL1_TF0_SHIFT) 959 #define SYS_TFSR_EL1_TF1 (UL(1) << SYS_TFSR_EL1_TF1_SHIFT) 960 961 /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */ 962 #define SYS_MPIDR_SAFE_VAL (BIT(31)) 963 964 #define TRFCR_ELx_TS_SHIFT 5 965 #define TRFCR_ELx_TS_MASK ((0x3UL) << TRFCR_ELx_TS_SHIFT) 966 #define TRFCR_ELx_TS_VIRTUAL ((0x1UL) << TRFCR_ELx_TS_SHIFT) 967 #define TRFCR_ELx_TS_GUEST_PHYSICAL ((0x2UL) << TRFCR_ELx_TS_SHIFT) 968 #define TRFCR_ELx_TS_PHYSICAL ((0x3UL) << TRFCR_ELx_TS_SHIFT) 969 #define TRFCR_EL2_CX BIT(3) 970 #define TRFCR_ELx_ExTRE BIT(1) 971 #define TRFCR_ELx_E0TRE BIT(0) 972 973 /* GIC Hypervisor interface registers */ 974 /* ICH_MISR_EL2 bit definitions */ 975 #define ICH_MISR_EOI (1 << 0) 976 #define ICH_MISR_U (1 << 1) 977 978 /* ICH_LR*_EL2 bit definitions */ 979 #define ICH_LR_VIRTUAL_ID_MASK ((1ULL << 32) - 1) 980 981 #define ICH_LR_EOI (1ULL << 41) 982 #define ICH_LR_GROUP (1ULL << 60) 983 #define ICH_LR_HW (1ULL << 61) 984 #define ICH_LR_STATE (3ULL << 62) 985 #define ICH_LR_PENDING_BIT (1ULL << 62) 986 #define ICH_LR_ACTIVE_BIT (1ULL << 63) 987 #define ICH_LR_PHYS_ID_SHIFT 32 988 #define ICH_LR_PHYS_ID_MASK (0x3ffULL << ICH_LR_PHYS_ID_SHIFT) 989 #define ICH_LR_PRIORITY_SHIFT 48 990 #define ICH_LR_PRIORITY_MASK (0xffULL << ICH_LR_PRIORITY_SHIFT) 991 992 /* ICH_HCR_EL2 bit definitions */ 993 #define ICH_HCR_EN (1 << 0) 994 #define ICH_HCR_UIE (1 << 1) 995 #define ICH_HCR_NPIE (1 << 3) 996 #define ICH_HCR_TC (1 << 10) 997 #define ICH_HCR_TALL0 (1 << 11) 998 #define ICH_HCR_TALL1 (1 << 12) 999 #define ICH_HCR_TDIR (1 << 14) 1000 #define ICH_HCR_EOIcount_SHIFT 27 1001 #define ICH_HCR_EOIcount_MASK (0x1f << ICH_HCR_EOIcount_SHIFT) 1002 1003 /* ICH_VMCR_EL2 bit definitions */ 1004 #define ICH_VMCR_ACK_CTL_SHIFT 2 1005 #define ICH_VMCR_ACK_CTL_MASK (1 << ICH_VMCR_ACK_CTL_SHIFT) 1006 #define ICH_VMCR_FIQ_EN_SHIFT 3 1007 #define ICH_VMCR_FIQ_EN_MASK (1 << ICH_VMCR_FIQ_EN_SHIFT) 1008 #define ICH_VMCR_CBPR_SHIFT 4 1009 #define ICH_VMCR_CBPR_MASK (1 << ICH_VMCR_CBPR_SHIFT) 1010 #define ICH_VMCR_EOIM_SHIFT 9 1011 #define ICH_VMCR_EOIM_MASK (1 << ICH_VMCR_EOIM_SHIFT) 1012 #define ICH_VMCR_BPR1_SHIFT 18 1013 #define ICH_VMCR_BPR1_MASK (7 << ICH_VMCR_BPR1_SHIFT) 1014 #define ICH_VMCR_BPR0_SHIFT 21 1015 #define ICH_VMCR_BPR0_MASK (7 << ICH_VMCR_BPR0_SHIFT) 1016 #define ICH_VMCR_PMR_SHIFT 24 1017 #define ICH_VMCR_PMR_MASK (0xffUL << ICH_VMCR_PMR_SHIFT) 1018 #define ICH_VMCR_ENG0_SHIFT 0 1019 #define ICH_VMCR_ENG0_MASK (1 << ICH_VMCR_ENG0_SHIFT) 1020 #define ICH_VMCR_ENG1_SHIFT 1 1021 #define ICH_VMCR_ENG1_MASK (1 << ICH_VMCR_ENG1_SHIFT) 1022 1023 /* ICH_VTR_EL2 bit definitions */ 1024 #define ICH_VTR_PRI_BITS_SHIFT 29 1025 #define ICH_VTR_PRI_BITS_MASK (7 << ICH_VTR_PRI_BITS_SHIFT) 1026 #define ICH_VTR_ID_BITS_SHIFT 23 1027 #define ICH_VTR_ID_BITS_MASK (7 << ICH_VTR_ID_BITS_SHIFT) 1028 #define ICH_VTR_SEIS_SHIFT 22 1029 #define ICH_VTR_SEIS_MASK (1 << ICH_VTR_SEIS_SHIFT) 1030 #define ICH_VTR_A3V_SHIFT 21 1031 #define ICH_VTR_A3V_MASK (1 << ICH_VTR_A3V_SHIFT) 1032 #define ICH_VTR_TDS_SHIFT 19 1033 #define ICH_VTR_TDS_MASK (1 << ICH_VTR_TDS_SHIFT) 1034 1035 /* 1036 * Permission Indirection Extension (PIE) permission encodings. 1037 * Encodings with the _O suffix, have overlays applied (Permission Overlay Extension). 1038 */ 1039 #define PIE_NONE_O UL(0x0) 1040 #define PIE_R_O UL(0x1) 1041 #define PIE_X_O UL(0x2) 1042 #define PIE_RX_O UL(0x3) 1043 #define PIE_RW_O UL(0x5) 1044 #define PIE_RWnX_O UL(0x6) 1045 #define PIE_RWX_O UL(0x7) 1046 #define PIE_R UL(0x8) 1047 #define PIE_GCS UL(0x9) 1048 #define PIE_RX UL(0xa) 1049 #define PIE_RW UL(0xc) 1050 #define PIE_RWX UL(0xe) 1051 1052 #define PIRx_ELx_PERM(idx, perm) ((perm) << ((idx) * 4)) 1053 1054 /* 1055 * Permission Overlay Extension (POE) permission encodings. 1056 */ 1057 #define POE_NONE UL(0x0) 1058 #define POE_R UL(0x1) 1059 #define POE_X UL(0x2) 1060 #define POE_RX UL(0x3) 1061 #define POE_W UL(0x4) 1062 #define POE_RW UL(0x5) 1063 #define POE_XW UL(0x6) 1064 #define POE_RXW UL(0x7) 1065 #define POE_MASK UL(0xf) 1066 1067 #define ARM64_FEATURE_FIELD_BITS 4 1068 1069 /* Defined for compatibility only, do not add new users. */ 1070 #define ARM64_FEATURE_MASK(x) (x##_MASK) 1071 1072 #ifdef __ASSEMBLY__ 1073 1074 .macro mrs_s, rt, sreg 1075 __emit_inst(0xd5200000|(\sreg)|(.L__gpr_num_\rt)) 1076 .endm 1077 1078 .macro msr_s, sreg, rt 1079 __emit_inst(0xd5000000|(\sreg)|(.L__gpr_num_\rt)) 1080 .endm 1081 1082 #else 1083 1084 #include <linux/bitfield.h> 1085 #include <linux/build_bug.h> 1086 #include <linux/types.h> 1087 #include <asm/alternative.h> 1088 1089 #define DEFINE_MRS_S \ 1090 __DEFINE_ASM_GPR_NUMS \ 1091 " .macro mrs_s, rt, sreg\n" \ 1092 __emit_inst(0xd5200000|(\\sreg)|(.L__gpr_num_\\rt)) \ 1093 " .endm\n" 1094 1095 #define DEFINE_MSR_S \ 1096 __DEFINE_ASM_GPR_NUMS \ 1097 " .macro msr_s, sreg, rt\n" \ 1098 __emit_inst(0xd5000000|(\\sreg)|(.L__gpr_num_\\rt)) \ 1099 " .endm\n" 1100 1101 #define UNDEFINE_MRS_S \ 1102 " .purgem mrs_s\n" 1103 1104 #define UNDEFINE_MSR_S \ 1105 " .purgem msr_s\n" 1106 1107 #define __mrs_s(v, r) \ 1108 DEFINE_MRS_S \ 1109 " mrs_s " v ", " __stringify(r) "\n" \ 1110 UNDEFINE_MRS_S 1111 1112 #define __msr_s(r, v) \ 1113 DEFINE_MSR_S \ 1114 " msr_s " __stringify(r) ", " v "\n" \ 1115 UNDEFINE_MSR_S 1116 1117 /* 1118 * Unlike read_cpuid, calls to read_sysreg are never expected to be 1119 * optimized away or replaced with synthetic values. 1120 */ 1121 #define read_sysreg(r) ({ \ 1122 u64 __val; \ 1123 asm volatile("mrs %0, " __stringify(r) : "=r" (__val)); \ 1124 __val; \ 1125 }) 1126 1127 /* 1128 * The "Z" constraint normally means a zero immediate, but when combined with 1129 * the "%x0" template means XZR. 1130 */ 1131 #define write_sysreg(v, r) do { \ 1132 u64 __val = (u64)(v); \ 1133 asm volatile("msr " __stringify(r) ", %x0" \ 1134 : : "rZ" (__val)); \ 1135 } while (0) 1136 1137 /* 1138 * For registers without architectural names, or simply unsupported by 1139 * GAS. 1140 * 1141 * __check_r forces warnings to be generated by the compiler when 1142 * evaluating r which wouldn't normally happen due to being passed to 1143 * the assembler via __stringify(r). 1144 */ 1145 #define read_sysreg_s(r) ({ \ 1146 u64 __val; \ 1147 u32 __maybe_unused __check_r = (u32)(r); \ 1148 asm volatile(__mrs_s("%0", r) : "=r" (__val)); \ 1149 __val; \ 1150 }) 1151 1152 #define write_sysreg_s(v, r) do { \ 1153 u64 __val = (u64)(v); \ 1154 u32 __maybe_unused __check_r = (u32)(r); \ 1155 asm volatile(__msr_s(r, "%x0") : : "rZ" (__val)); \ 1156 } while (0) 1157 1158 /* 1159 * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the 1160 * set mask are set. Other bits are left as-is. 1161 */ 1162 #define sysreg_clear_set(sysreg, clear, set) do { \ 1163 u64 __scs_val = read_sysreg(sysreg); \ 1164 u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \ 1165 if (__scs_new != __scs_val) \ 1166 write_sysreg(__scs_new, sysreg); \ 1167 } while (0) 1168 1169 #define sysreg_clear_set_s(sysreg, clear, set) do { \ 1170 u64 __scs_val = read_sysreg_s(sysreg); \ 1171 u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \ 1172 if (__scs_new != __scs_val) \ 1173 write_sysreg_s(__scs_new, sysreg); \ 1174 } while (0) 1175 1176 #define read_sysreg_par() ({ \ 1177 u64 par; \ 1178 asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412)); \ 1179 par = read_sysreg(par_el1); \ 1180 asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412)); \ 1181 par; \ 1182 }) 1183 1184 #define SYS_FIELD_VALUE(reg, field, val) reg##_##field##_##val 1185 1186 #define SYS_FIELD_GET(reg, field, val) \ 1187 FIELD_GET(reg##_##field##_MASK, val) 1188 1189 #define SYS_FIELD_PREP(reg, field, val) \ 1190 FIELD_PREP(reg##_##field##_MASK, val) 1191 1192 #define SYS_FIELD_PREP_ENUM(reg, field, val) \ 1193 FIELD_PREP(reg##_##field##_MASK, \ 1194 SYS_FIELD_VALUE(reg, field, val)) 1195 1196 #endif 1197 1198 #endif /* __ASM_SYSREG_H */ 1199