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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/* Data cache zero operations */ 121#define SYS_DC_ISW sys_insn(1, 0, 7, 6, 2) 122#define SYS_DC_IGSW sys_insn(1, 0, 7, 6, 4) 123#define SYS_DC_IGDSW sys_insn(1, 0, 7, 6, 6) 124#define SYS_DC_CSW sys_insn(1, 0, 7, 10, 2) 125#define SYS_DC_CGSW sys_insn(1, 0, 7, 10, 4) 126#define SYS_DC_CGDSW sys_insn(1, 0, 7, 10, 6) 127#define SYS_DC_CISW sys_insn(1, 0, 7, 14, 2) 128#define SYS_DC_CIGSW sys_insn(1, 0, 7, 14, 4) 129#define SYS_DC_CIGDSW sys_insn(1, 0, 7, 14, 6) 130 131#define SYS_IC_IALLUIS sys_insn(1, 0, 7, 1, 0) 132#define SYS_IC_IALLU sys_insn(1, 0, 7, 5, 0) 133#define SYS_IC_IVAU sys_insn(1, 3, 7, 5, 1) 134 135#define SYS_DC_IVAC sys_insn(1, 0, 7, 6, 1) 136#define SYS_DC_IGVAC sys_insn(1, 0, 7, 6, 3) 137#define SYS_DC_IGDVAC sys_insn(1, 0, 7, 6, 5) 138 139#define SYS_DC_CVAC sys_insn(1, 3, 7, 10, 1) 140#define SYS_DC_CGVAC sys_insn(1, 3, 7, 10, 3) 141#define SYS_DC_CGDVAC sys_insn(1, 3, 7, 10, 5) 142 143#define SYS_DC_CVAU sys_insn(1, 3, 7, 11, 1) 144 145#define SYS_DC_CVAP sys_insn(1, 3, 7, 12, 1) 146#define SYS_DC_CGVAP sys_insn(1, 3, 7, 12, 3) 147#define SYS_DC_CGDVAP sys_insn(1, 3, 7, 12, 5) 148 149#define SYS_DC_CVADP sys_insn(1, 3, 7, 13, 1) 150#define SYS_DC_CGVADP sys_insn(1, 3, 7, 13, 3) 151#define SYS_DC_CGDVADP sys_insn(1, 3, 7, 13, 5) 152 153#define SYS_DC_CIVAC sys_insn(1, 3, 7, 14, 1) 154#define SYS_DC_CIGVAC sys_insn(1, 3, 7, 14, 3) 155#define SYS_DC_CIGDVAC sys_insn(1, 3, 7, 14, 5) 156 157#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#define SYS_DC_CIVAPS sys_insn(1, 0, 7, 15, 1) 162#define SYS_DC_CIGDVAPS sys_insn(1, 0, 7, 15, 5) 163 164/* 165 * Automatically generated definitions for system registers, the 166 * manual encodings below are in the process of being converted to 167 * come from here. The header relies on the definition of sys_reg() 168 * earlier in this file. 169 */ 170#include "asm/sysreg-defs.h" 171 172/* 173 * System registers, organised loosely by encoding but grouped together 174 * where the architected name contains an index. e.g. ID_MMFR<n>_EL1. 175 */ 176#define SYS_SVCR_SMSTOP_SM_EL0 sys_reg(0, 3, 4, 2, 3) 177#define SYS_SVCR_SMSTART_SM_EL0 sys_reg(0, 3, 4, 3, 3) 178#define SYS_SVCR_SMSTOP_SMZA_EL0 sys_reg(0, 3, 4, 6, 3) 179 180#define SYS_DBGBVRn_EL1(n) sys_reg(2, 0, 0, n, 4) 181#define SYS_DBGBCRn_EL1(n) sys_reg(2, 0, 0, n, 5) 182#define SYS_DBGWVRn_EL1(n) sys_reg(2, 0, 0, n, 6) 183#define SYS_DBGWCRn_EL1(n) sys_reg(2, 0, 0, n, 7) 184#define SYS_MDRAR_EL1 sys_reg(2, 0, 1, 0, 0) 185 186#define SYS_OSLSR_EL1 sys_reg(2, 0, 1, 1, 4) 187#define OSLSR_EL1_OSLM_MASK (BIT(3) | BIT(0)) 188#define OSLSR_EL1_OSLM_NI 0 189#define OSLSR_EL1_OSLM_IMPLEMENTED BIT(3) 190#define OSLSR_EL1_OSLK BIT(1) 191 192#define SYS_OSDLR_EL1 sys_reg(2, 0, 1, 3, 4) 193#define SYS_DBGPRCR_EL1 sys_reg(2, 0, 1, 4, 4) 194#define SYS_DBGCLAIMSET_EL1 sys_reg(2, 0, 7, 8, 6) 195#define SYS_DBGCLAIMCLR_EL1 sys_reg(2, 0, 7, 9, 6) 196#define SYS_DBGAUTHSTATUS_EL1 sys_reg(2, 0, 7, 14, 6) 197#define SYS_MDCCSR_EL0 sys_reg(2, 3, 0, 1, 0) 198#define SYS_DBGDTR_EL0 sys_reg(2, 3, 0, 4, 0) 199#define SYS_DBGDTRRX_EL0 sys_reg(2, 3, 0, 5, 0) 200#define SYS_DBGDTRTX_EL0 sys_reg(2, 3, 0, 5, 0) 201#define SYS_DBGVCR32_EL2 sys_reg(2, 4, 0, 7, 0) 202 203#define SYS_BRBINF_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 0)) 204#define SYS_BRBINFINJ_EL1 sys_reg(2, 1, 9, 1, 0) 205#define SYS_BRBSRC_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 1)) 206#define SYS_BRBSRCINJ_EL1 sys_reg(2, 1, 9, 1, 1) 207#define SYS_BRBTGT_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 2)) 208#define SYS_BRBTGTINJ_EL1 sys_reg(2, 1, 9, 1, 2) 209#define SYS_BRBTS_EL1 sys_reg(2, 1, 9, 0, 2) 210 211#define SYS_BRBCR_EL1 sys_reg(2, 1, 9, 0, 0) 212#define SYS_BRBFCR_EL1 sys_reg(2, 1, 9, 0, 1) 213#define SYS_BRBIDR0_EL1 sys_reg(2, 1, 9, 2, 0) 214 215#define SYS_TRCITECR_EL1 sys_reg(3, 0, 1, 2, 3) 216#define SYS_TRCACATR(m) sys_reg(2, 1, 2, ((m & 7) << 1), (2 | (m >> 3))) 217#define SYS_TRCACVR(m) sys_reg(2, 1, 2, ((m & 7) << 1), (0 | (m >> 3))) 218#define SYS_TRCAUTHSTATUS sys_reg(2, 1, 7, 14, 6) 219#define SYS_TRCAUXCTLR sys_reg(2, 1, 0, 6, 0) 220#define SYS_TRCBBCTLR sys_reg(2, 1, 0, 15, 0) 221#define SYS_TRCCCCTLR sys_reg(2, 1, 0, 14, 0) 222#define SYS_TRCCIDCCTLR0 sys_reg(2, 1, 3, 0, 2) 223#define SYS_TRCCIDCCTLR1 sys_reg(2, 1, 3, 1, 2) 224#define SYS_TRCCIDCVR(m) sys_reg(2, 1, 3, ((m & 7) << 1), 0) 225#define SYS_TRCCLAIMCLR sys_reg(2, 1, 7, 9, 6) 226#define SYS_TRCCLAIMSET sys_reg(2, 1, 7, 8, 6) 227#define SYS_TRCCNTCTLR(m) sys_reg(2, 1, 0, (4 | (m & 3)), 5) 228#define SYS_TRCCNTRLDVR(m) sys_reg(2, 1, 0, (0 | (m & 3)), 5) 229#define SYS_TRCCNTVR(m) sys_reg(2, 1, 0, (8 | (m & 3)), 5) 230#define SYS_TRCCONFIGR sys_reg(2, 1, 0, 4, 0) 231#define SYS_TRCDEVARCH sys_reg(2, 1, 7, 15, 6) 232#define SYS_TRCDEVID sys_reg(2, 1, 7, 2, 7) 233#define SYS_TRCEVENTCTL0R sys_reg(2, 1, 0, 8, 0) 234#define SYS_TRCEVENTCTL1R sys_reg(2, 1, 0, 9, 0) 235#define SYS_TRCEXTINSELR(m) sys_reg(2, 1, 0, (8 | (m & 3)), 4) 236#define SYS_TRCIDR0 sys_reg(2, 1, 0, 8, 7) 237#define SYS_TRCIDR10 sys_reg(2, 1, 0, 2, 6) 238#define SYS_TRCIDR11 sys_reg(2, 1, 0, 3, 6) 239#define SYS_TRCIDR12 sys_reg(2, 1, 0, 4, 6) 240#define SYS_TRCIDR13 sys_reg(2, 1, 0, 5, 6) 241#define SYS_TRCIDR1 sys_reg(2, 1, 0, 9, 7) 242#define SYS_TRCIDR2 sys_reg(2, 1, 0, 10, 7) 243#define SYS_TRCIDR3 sys_reg(2, 1, 0, 11, 7) 244#define SYS_TRCIDR4 sys_reg(2, 1, 0, 12, 7) 245#define SYS_TRCIDR5 sys_reg(2, 1, 0, 13, 7) 246#define SYS_TRCIDR6 sys_reg(2, 1, 0, 14, 7) 247#define SYS_TRCIDR7 sys_reg(2, 1, 0, 15, 7) 248#define SYS_TRCIDR8 sys_reg(2, 1, 0, 0, 6) 249#define SYS_TRCIDR9 sys_reg(2, 1, 0, 1, 6) 250#define SYS_TRCIMSPEC(m) sys_reg(2, 1, 0, (m & 7), 7) 251#define SYS_TRCITEEDCR sys_reg(2, 1, 0, 2, 1) 252#define SYS_TRCOSLSR sys_reg(2, 1, 1, 1, 4) 253#define SYS_TRCPRGCTLR sys_reg(2, 1, 0, 1, 0) 254#define SYS_TRCQCTLR sys_reg(2, 1, 0, 1, 1) 255#define SYS_TRCRSCTLR(m) sys_reg(2, 1, 1, (m & 15), (0 | (m >> 4))) 256#define SYS_TRCRSR sys_reg(2, 1, 0, 10, 0) 257#define SYS_TRCSEQEVR(m) sys_reg(2, 1, 0, (m & 3), 4) 258#define SYS_TRCSEQRSTEVR sys_reg(2, 1, 0, 6, 4) 259#define SYS_TRCSEQSTR sys_reg(2, 1, 0, 7, 4) 260#define SYS_TRCSSCCR(m) sys_reg(2, 1, 1, (m & 7), 2) 261#define SYS_TRCSSCSR(m) sys_reg(2, 1, 1, (8 | (m & 7)), 2) 262#define SYS_TRCSSPCICR(m) sys_reg(2, 1, 1, (m & 7), 3) 263#define SYS_TRCSTALLCTLR sys_reg(2, 1, 0, 11, 0) 264#define SYS_TRCSTATR sys_reg(2, 1, 0, 3, 0) 265#define SYS_TRCSYNCPR sys_reg(2, 1, 0, 13, 0) 266#define SYS_TRCTRACEIDR sys_reg(2, 1, 0, 0, 1) 267#define SYS_TRCTSCTLR sys_reg(2, 1, 0, 12, 0) 268#define SYS_TRCVICTLR sys_reg(2, 1, 0, 0, 2) 269#define SYS_TRCVIIECTLR sys_reg(2, 1, 0, 1, 2) 270#define SYS_TRCVIPCSSCTLR sys_reg(2, 1, 0, 3, 2) 271#define SYS_TRCVISSCTLR sys_reg(2, 1, 0, 2, 2) 272#define SYS_TRCVMIDCCTLR0 sys_reg(2, 1, 3, 2, 2) 273#define SYS_TRCVMIDCCTLR1 sys_reg(2, 1, 3, 3, 2) 274#define SYS_TRCVMIDCVR(m) sys_reg(2, 1, 3, ((m & 7) << 1), 1) 275 276/* ETM */ 277#define SYS_TRCOSLAR sys_reg(2, 1, 1, 0, 4) 278 279#define SYS_BRBCR_EL2 sys_reg(2, 4, 9, 0, 0) 280 281#define SYS_MIDR_EL1 sys_reg(3, 0, 0, 0, 0) 282#define SYS_MPIDR_EL1 sys_reg(3, 0, 0, 0, 5) 283#define SYS_REVIDR_EL1 sys_reg(3, 0, 0, 0, 6) 284 285#define SYS_ACTLR_EL1 sys_reg(3, 0, 1, 0, 1) 286#define SYS_RGSR_EL1 sys_reg(3, 0, 1, 0, 5) 287#define SYS_GCR_EL1 sys_reg(3, 0, 1, 0, 6) 288 289#define SYS_TCR_EL1 sys_reg(3, 0, 2, 0, 2) 290 291#define SYS_APIAKEYLO_EL1 sys_reg(3, 0, 2, 1, 0) 292#define SYS_APIAKEYHI_EL1 sys_reg(3, 0, 2, 1, 1) 293#define SYS_APIBKEYLO_EL1 sys_reg(3, 0, 2, 1, 2) 294#define SYS_APIBKEYHI_EL1 sys_reg(3, 0, 2, 1, 3) 295 296#define SYS_APDAKEYLO_EL1 sys_reg(3, 0, 2, 2, 0) 297#define SYS_APDAKEYHI_EL1 sys_reg(3, 0, 2, 2, 1) 298#define SYS_APDBKEYLO_EL1 sys_reg(3, 0, 2, 2, 2) 299#define SYS_APDBKEYHI_EL1 sys_reg(3, 0, 2, 2, 3) 300 301#define SYS_APGAKEYLO_EL1 sys_reg(3, 0, 2, 3, 0) 302#define SYS_APGAKEYHI_EL1 sys_reg(3, 0, 2, 3, 1) 303 304#define SYS_SPSR_EL1 sys_reg(3, 0, 4, 0, 0) 305#define SYS_ELR_EL1 sys_reg(3, 0, 4, 0, 1) 306 307#define SYS_ICC_PMR_EL1 sys_reg(3, 0, 4, 6, 0) 308 309#define SYS_AFSR0_EL1 sys_reg(3, 0, 5, 1, 0) 310#define SYS_AFSR1_EL1 sys_reg(3, 0, 5, 1, 1) 311#define SYS_ESR_EL1 sys_reg(3, 0, 5, 2, 0) 312 313#define SYS_ERRIDR_EL1 sys_reg(3, 0, 5, 3, 0) 314#define SYS_ERRSELR_EL1 sys_reg(3, 0, 5, 3, 1) 315#define SYS_ERXFR_EL1 sys_reg(3, 0, 5, 4, 0) 316#define SYS_ERXCTLR_EL1 sys_reg(3, 0, 5, 4, 1) 317#define SYS_ERXSTATUS_EL1 sys_reg(3, 0, 5, 4, 2) 318#define SYS_ERXADDR_EL1 sys_reg(3, 0, 5, 4, 3) 319#define SYS_ERXPFGF_EL1 sys_reg(3, 0, 5, 4, 4) 320#define SYS_ERXPFGCTL_EL1 sys_reg(3, 0, 5, 4, 5) 321#define SYS_ERXPFGCDN_EL1 sys_reg(3, 0, 5, 4, 6) 322#define SYS_ERXMISC0_EL1 sys_reg(3, 0, 5, 5, 0) 323#define SYS_ERXMISC1_EL1 sys_reg(3, 0, 5, 5, 1) 324#define SYS_ERXMISC2_EL1 sys_reg(3, 0, 5, 5, 2) 325#define SYS_ERXMISC3_EL1 sys_reg(3, 0, 5, 5, 3) 326#define SYS_TFSR_EL1 sys_reg(3, 0, 5, 6, 0) 327#define SYS_TFSRE0_EL1 sys_reg(3, 0, 5, 6, 1) 328 329#define SYS_PAR_EL1 sys_reg(3, 0, 7, 4, 0) 330 331#define SYS_PAR_EL1_F BIT(0) 332/* When PAR_EL1.F == 1 */ 333#define SYS_PAR_EL1_FST GENMASK(6, 1) 334#define SYS_PAR_EL1_PTW BIT(8) 335#define SYS_PAR_EL1_S BIT(9) 336#define SYS_PAR_EL1_AssuredOnly BIT(12) 337#define SYS_PAR_EL1_TopLevel BIT(13) 338#define SYS_PAR_EL1_Overlay BIT(14) 339#define SYS_PAR_EL1_DirtyBit BIT(15) 340#define SYS_PAR_EL1_F1_IMPDEF GENMASK_ULL(63, 48) 341#define SYS_PAR_EL1_F1_RES0 (BIT(7) | BIT(10) | GENMASK_ULL(47, 16)) 342#define SYS_PAR_EL1_RES1 BIT(11) 343/* When PAR_EL1.F == 0 */ 344#define SYS_PAR_EL1_SH GENMASK_ULL(8, 7) 345#define SYS_PAR_EL1_NS BIT(9) 346#define SYS_PAR_EL1_F0_IMPDEF BIT(10) 347#define SYS_PAR_EL1_NSE BIT(11) 348#define SYS_PAR_EL1_PA GENMASK_ULL(51, 12) 349#define SYS_PAR_EL1_ATTR GENMASK_ULL(63, 56) 350#define SYS_PAR_EL1_F0_RES0 (GENMASK_ULL(6, 1) | GENMASK_ULL(55, 52)) 351 352/*** Statistical Profiling Extension ***/ 353#define PMSEVFR_EL1_RES0_IMP \ 354 (GENMASK_ULL(47, 32) | GENMASK_ULL(23, 16) | GENMASK_ULL(11, 8) |\ 355 BIT_ULL(6) | BIT_ULL(4) | BIT_ULL(2) | BIT_ULL(0)) 356#define PMSEVFR_EL1_RES0_V1P1 \ 357 (PMSEVFR_EL1_RES0_IMP & ~(BIT_ULL(18) | BIT_ULL(17) | BIT_ULL(11))) 358#define PMSEVFR_EL1_RES0_V1P2 \ 359 (PMSEVFR_EL1_RES0_V1P1 & ~BIT_ULL(6)) 360 361/* Buffer error reporting */ 362#define PMBSR_EL1_FAULT_FSC_SHIFT PMBSR_EL1_MSS_SHIFT 363#define PMBSR_EL1_FAULT_FSC_MASK PMBSR_EL1_MSS_MASK 364 365#define PMBSR_EL1_BUF_BSC_SHIFT PMBSR_EL1_MSS_SHIFT 366#define PMBSR_EL1_BUF_BSC_MASK PMBSR_EL1_MSS_MASK 367 368#define PMBSR_EL1_BUF_BSC_FULL 0x1UL 369 370/*** End of Statistical Profiling Extension ***/ 371 372#define TRBSR_EL1_BSC_MASK GENMASK(5, 0) 373#define TRBSR_EL1_BSC_SHIFT 0 374 375#define SYS_PMINTENSET_EL1 sys_reg(3, 0, 9, 14, 1) 376#define SYS_PMINTENCLR_EL1 sys_reg(3, 0, 9, 14, 2) 377 378#define SYS_PMMIR_EL1 sys_reg(3, 0, 9, 14, 6) 379 380#define SYS_MAIR_EL1 sys_reg(3, 0, 10, 2, 0) 381#define SYS_AMAIR_EL1 sys_reg(3, 0, 10, 3, 0) 382 383#define SYS_VBAR_EL1 sys_reg(3, 0, 12, 0, 0) 384#define SYS_DISR_EL1 sys_reg(3, 0, 12, 1, 1) 385 386#define SYS_ICC_IAR0_EL1 sys_reg(3, 0, 12, 8, 0) 387#define SYS_ICC_EOIR0_EL1 sys_reg(3, 0, 12, 8, 1) 388#define SYS_ICC_HPPIR0_EL1 sys_reg(3, 0, 12, 8, 2) 389#define SYS_ICC_BPR0_EL1 sys_reg(3, 0, 12, 8, 3) 390#define SYS_ICC_AP0Rn_EL1(n) sys_reg(3, 0, 12, 8, 4 | n) 391#define SYS_ICC_AP0R0_EL1 SYS_ICC_AP0Rn_EL1(0) 392#define SYS_ICC_AP0R1_EL1 SYS_ICC_AP0Rn_EL1(1) 393#define SYS_ICC_AP0R2_EL1 SYS_ICC_AP0Rn_EL1(2) 394#define SYS_ICC_AP0R3_EL1 SYS_ICC_AP0Rn_EL1(3) 395#define SYS_ICC_AP1Rn_EL1(n) sys_reg(3, 0, 12, 9, n) 396#define SYS_ICC_AP1R0_EL1 SYS_ICC_AP1Rn_EL1(0) 397#define SYS_ICC_AP1R1_EL1 SYS_ICC_AP1Rn_EL1(1) 398#define SYS_ICC_AP1R2_EL1 SYS_ICC_AP1Rn_EL1(2) 399#define SYS_ICC_AP1R3_EL1 SYS_ICC_AP1Rn_EL1(3) 400#define SYS_ICC_DIR_EL1 sys_reg(3, 0, 12, 11, 1) 401#define SYS_ICC_RPR_EL1 sys_reg(3, 0, 12, 11, 3) 402#define SYS_ICC_SGI1R_EL1 sys_reg(3, 0, 12, 11, 5) 403#define SYS_ICC_ASGI1R_EL1 sys_reg(3, 0, 12, 11, 6) 404#define SYS_ICC_SGI0R_EL1 sys_reg(3, 0, 12, 11, 7) 405#define SYS_ICC_IAR1_EL1 sys_reg(3, 0, 12, 12, 0) 406#define SYS_ICC_EOIR1_EL1 sys_reg(3, 0, 12, 12, 1) 407#define SYS_ICC_HPPIR1_EL1 sys_reg(3, 0, 12, 12, 2) 408#define SYS_ICC_BPR1_EL1 sys_reg(3, 0, 12, 12, 3) 409#define SYS_ICC_CTLR_EL1 sys_reg(3, 0, 12, 12, 4) 410#define SYS_ICC_SRE_EL1 sys_reg(3, 0, 12, 12, 5) 411#define SYS_ICC_IGRPEN0_EL1 sys_reg(3, 0, 12, 12, 6) 412#define SYS_ICC_IGRPEN1_EL1 sys_reg(3, 0, 12, 12, 7) 413 414#define SYS_ACCDATA_EL1 sys_reg(3, 0, 13, 0, 5) 415 416#define SYS_CNTKCTL_EL1 sys_reg(3, 0, 14, 1, 0) 417 418#define SYS_AIDR_EL1 sys_reg(3, 1, 0, 0, 7) 419 420#define SYS_RNDR_EL0 sys_reg(3, 3, 2, 4, 0) 421#define SYS_RNDRRS_EL0 sys_reg(3, 3, 2, 4, 1) 422 423#define SYS_PMCR_EL0 sys_reg(3, 3, 9, 12, 0) 424#define SYS_PMCNTENSET_EL0 sys_reg(3, 3, 9, 12, 1) 425#define SYS_PMCNTENCLR_EL0 sys_reg(3, 3, 9, 12, 2) 426#define SYS_PMOVSCLR_EL0 sys_reg(3, 3, 9, 12, 3) 427#define SYS_PMSWINC_EL0 sys_reg(3, 3, 9, 12, 4) 428#define SYS_PMCEID0_EL0 sys_reg(3, 3, 9, 12, 6) 429#define SYS_PMCEID1_EL0 sys_reg(3, 3, 9, 12, 7) 430#define SYS_PMCCNTR_EL0 sys_reg(3, 3, 9, 13, 0) 431#define SYS_PMXEVTYPER_EL0 sys_reg(3, 3, 9, 13, 1) 432#define SYS_PMXEVCNTR_EL0 sys_reg(3, 3, 9, 13, 2) 433#define SYS_PMUSERENR_EL0 sys_reg(3, 3, 9, 14, 0) 434#define SYS_PMOVSSET_EL0 sys_reg(3, 3, 9, 14, 3) 435 436#define SYS_TPIDR_EL0 sys_reg(3, 3, 13, 0, 2) 437#define SYS_TPIDRRO_EL0 sys_reg(3, 3, 13, 0, 3) 438#define SYS_TPIDR2_EL0 sys_reg(3, 3, 13, 0, 5) 439 440#define SYS_SCXTNUM_EL0 sys_reg(3, 3, 13, 0, 7) 441 442/* Definitions for system register interface to AMU for ARMv8.4 onwards */ 443#define SYS_AM_EL0(crm, op2) sys_reg(3, 3, 13, (crm), (op2)) 444#define SYS_AMCR_EL0 SYS_AM_EL0(2, 0) 445#define SYS_AMCFGR_EL0 SYS_AM_EL0(2, 1) 446#define SYS_AMCGCR_EL0 SYS_AM_EL0(2, 2) 447#define SYS_AMUSERENR_EL0 SYS_AM_EL0(2, 3) 448#define SYS_AMCNTENCLR0_EL0 SYS_AM_EL0(2, 4) 449#define SYS_AMCNTENSET0_EL0 SYS_AM_EL0(2, 5) 450#define SYS_AMCNTENCLR1_EL0 SYS_AM_EL0(3, 0) 451#define SYS_AMCNTENSET1_EL0 SYS_AM_EL0(3, 1) 452 453/* 454 * Group 0 of activity monitors (architected): 455 * op0 op1 CRn CRm op2 456 * Counter: 11 011 1101 010:n<3> n<2:0> 457 * Type: 11 011 1101 011:n<3> n<2:0> 458 * n: 0-15 459 * 460 * Group 1 of activity monitors (auxiliary): 461 * op0 op1 CRn CRm op2 462 * Counter: 11 011 1101 110:n<3> n<2:0> 463 * Type: 11 011 1101 111:n<3> n<2:0> 464 * n: 0-15 465 */ 466 467#define SYS_AMEVCNTR0_EL0(n) SYS_AM_EL0(4 + ((n) >> 3), (n) & 7) 468#define SYS_AMEVTYPER0_EL0(n) SYS_AM_EL0(6 + ((n) >> 3), (n) & 7) 469#define SYS_AMEVCNTR1_EL0(n) SYS_AM_EL0(12 + ((n) >> 3), (n) & 7) 470#define SYS_AMEVTYPER1_EL0(n) SYS_AM_EL0(14 + ((n) >> 3), (n) & 7) 471 472/* AMU v1: Fixed (architecturally defined) activity monitors */ 473#define SYS_AMEVCNTR0_CORE_EL0 SYS_AMEVCNTR0_EL0(0) 474#define SYS_AMEVCNTR0_CONST_EL0 SYS_AMEVCNTR0_EL0(1) 475#define SYS_AMEVCNTR0_INST_RET_EL0 SYS_AMEVCNTR0_EL0(2) 476#define SYS_AMEVCNTR0_MEM_STALL SYS_AMEVCNTR0_EL0(3) 477 478#define SYS_CNTFRQ_EL0 sys_reg(3, 3, 14, 0, 0) 479 480#define SYS_CNTPCT_EL0 sys_reg(3, 3, 14, 0, 1) 481#define SYS_CNTVCT_EL0 sys_reg(3, 3, 14, 0, 2) 482#define SYS_CNTPCTSS_EL0 sys_reg(3, 3, 14, 0, 5) 483#define SYS_CNTVCTSS_EL0 sys_reg(3, 3, 14, 0, 6) 484 485#define SYS_CNTP_TVAL_EL0 sys_reg(3, 3, 14, 2, 0) 486#define SYS_CNTP_CTL_EL0 sys_reg(3, 3, 14, 2, 1) 487#define SYS_CNTP_CVAL_EL0 sys_reg(3, 3, 14, 2, 2) 488 489#define SYS_CNTV_TVAL_EL0 sys_reg(3, 3, 14, 3, 0) 490#define SYS_CNTV_CTL_EL0 sys_reg(3, 3, 14, 3, 1) 491#define SYS_CNTV_CVAL_EL0 sys_reg(3, 3, 14, 3, 2) 492 493#define SYS_AARCH32_CNTP_TVAL sys_reg(0, 0, 14, 2, 0) 494#define SYS_AARCH32_CNTP_CTL sys_reg(0, 0, 14, 2, 1) 495#define SYS_AARCH32_CNTPCT sys_reg(0, 0, 0, 14, 0) 496#define SYS_AARCH32_CNTVCT sys_reg(0, 1, 0, 14, 0) 497#define SYS_AARCH32_CNTP_CVAL sys_reg(0, 2, 0, 14, 0) 498#define SYS_AARCH32_CNTPCTSS sys_reg(0, 8, 0, 14, 0) 499#define SYS_AARCH32_CNTVCTSS sys_reg(0, 9, 0, 14, 0) 500 501#define __PMEV_op2(n) ((n) & 0x7) 502#define __CNTR_CRm(n) (0x8 | (((n) >> 3) & 0x3)) 503#define SYS_PMEVCNTSVRn_EL1(n) sys_reg(2, 0, 14, __CNTR_CRm(n), __PMEV_op2(n)) 504#define SYS_PMEVCNTRn_EL0(n) sys_reg(3, 3, 14, __CNTR_CRm(n), __PMEV_op2(n)) 505#define __TYPER_CRm(n) (0xc | (((n) >> 3) & 0x3)) 506#define SYS_PMEVTYPERn_EL0(n) sys_reg(3, 3, 14, __TYPER_CRm(n), __PMEV_op2(n)) 507 508#define SYS_PMCCFILTR_EL0 sys_reg(3, 3, 14, 15, 7) 509 510#define SYS_SPMCGCRn_EL1(n) sys_reg(2, 0, 9, 13, ((n) & 1)) 511 512#define __SPMEV_op2(n) ((n) & 0x7) 513#define __SPMEV_crm(p, n) ((((p) & 7) << 1) | (((n) >> 3) & 1)) 514#define SYS_SPMEVCNTRn_EL0(n) sys_reg(2, 3, 14, __SPMEV_crm(0b000, n), __SPMEV_op2(n)) 515#define SYS_SPMEVFILT2Rn_EL0(n) sys_reg(2, 3, 14, __SPMEV_crm(0b011, n), __SPMEV_op2(n)) 516#define SYS_SPMEVFILTRn_EL0(n) sys_reg(2, 3, 14, __SPMEV_crm(0b010, n), __SPMEV_op2(n)) 517#define SYS_SPMEVTYPERn_EL0(n) sys_reg(2, 3, 14, __SPMEV_crm(0b001, n), __SPMEV_op2(n)) 518 519#define SYS_VPIDR_EL2 sys_reg(3, 4, 0, 0, 0) 520#define SYS_VMPIDR_EL2 sys_reg(3, 4, 0, 0, 5) 521 522#define SYS_SCTLR_EL2 sys_reg(3, 4, 1, 0, 0) 523#define SYS_ACTLR_EL2 sys_reg(3, 4, 1, 0, 1) 524#define SYS_SCTLR2_EL2 sys_reg(3, 4, 1, 0, 3) 525#define SYS_HCR_EL2 sys_reg(3, 4, 1, 1, 0) 526#define SYS_MDCR_EL2 sys_reg(3, 4, 1, 1, 1) 527#define SYS_CPTR_EL2 sys_reg(3, 4, 1, 1, 2) 528#define SYS_HSTR_EL2 sys_reg(3, 4, 1, 1, 3) 529#define SYS_HACR_EL2 sys_reg(3, 4, 1, 1, 7) 530 531#define SYS_TTBR0_EL2 sys_reg(3, 4, 2, 0, 0) 532#define SYS_TTBR1_EL2 sys_reg(3, 4, 2, 0, 1) 533#define SYS_TCR_EL2 sys_reg(3, 4, 2, 0, 2) 534#define SYS_VTTBR_EL2 sys_reg(3, 4, 2, 1, 0) 535#define SYS_VTCR_EL2 sys_reg(3, 4, 2, 1, 2) 536 537#define SYS_VNCR_EL2 sys_reg(3, 4, 2, 2, 0) 538#define SYS_SPSR_EL2 sys_reg(3, 4, 4, 0, 0) 539#define SYS_ELR_EL2 sys_reg(3, 4, 4, 0, 1) 540#define SYS_SP_EL1 sys_reg(3, 4, 4, 1, 0) 541#define SYS_SPSR_irq sys_reg(3, 4, 4, 3, 0) 542#define SYS_SPSR_abt sys_reg(3, 4, 4, 3, 1) 543#define SYS_SPSR_und sys_reg(3, 4, 4, 3, 2) 544#define SYS_SPSR_fiq sys_reg(3, 4, 4, 3, 3) 545#define SYS_IFSR32_EL2 sys_reg(3, 4, 5, 0, 1) 546#define SYS_AFSR0_EL2 sys_reg(3, 4, 5, 1, 0) 547#define SYS_AFSR1_EL2 sys_reg(3, 4, 5, 1, 1) 548#define SYS_ESR_EL2 sys_reg(3, 4, 5, 2, 0) 549#define SYS_VSESR_EL2 sys_reg(3, 4, 5, 2, 3) 550#define SYS_FPEXC32_EL2 sys_reg(3, 4, 5, 3, 0) 551#define SYS_TFSR_EL2 sys_reg(3, 4, 5, 6, 0) 552 553#define SYS_FAR_EL2 sys_reg(3, 4, 6, 0, 0) 554#define SYS_HPFAR_EL2 sys_reg(3, 4, 6, 0, 4) 555 556#define SYS_MAIR_EL2 sys_reg(3, 4, 10, 2, 0) 557#define SYS_AMAIR_EL2 sys_reg(3, 4, 10, 3, 0) 558 559#define SYS_VBAR_EL2 sys_reg(3, 4, 12, 0, 0) 560#define SYS_RVBAR_EL2 sys_reg(3, 4, 12, 0, 1) 561#define SYS_RMR_EL2 sys_reg(3, 4, 12, 0, 2) 562#define SYS_VDISR_EL2 sys_reg(3, 4, 12, 1, 1) 563#define __SYS__AP0Rx_EL2(x) sys_reg(3, 4, 12, 8, x) 564#define SYS_ICH_AP0R0_EL2 __SYS__AP0Rx_EL2(0) 565#define SYS_ICH_AP0R1_EL2 __SYS__AP0Rx_EL2(1) 566#define SYS_ICH_AP0R2_EL2 __SYS__AP0Rx_EL2(2) 567#define SYS_ICH_AP0R3_EL2 __SYS__AP0Rx_EL2(3) 568 569#define __SYS__AP1Rx_EL2(x) sys_reg(3, 4, 12, 9, x) 570#define SYS_ICH_AP1R0_EL2 __SYS__AP1Rx_EL2(0) 571#define SYS_ICH_AP1R1_EL2 __SYS__AP1Rx_EL2(1) 572#define SYS_ICH_AP1R2_EL2 __SYS__AP1Rx_EL2(2) 573#define SYS_ICH_AP1R3_EL2 __SYS__AP1Rx_EL2(3) 574 575#define SYS_ICH_VSEIR_EL2 sys_reg(3, 4, 12, 9, 4) 576#define SYS_ICC_SRE_EL2 sys_reg(3, 4, 12, 9, 5) 577#define SYS_ICH_EISR_EL2 sys_reg(3, 4, 12, 11, 3) 578#define SYS_ICH_ELRSR_EL2 sys_reg(3, 4, 12, 11, 5) 579#define SYS_ICH_VMCR_EL2 sys_reg(3, 4, 12, 11, 7) 580 581#define __SYS__LR0_EL2(x) sys_reg(3, 4, 12, 12, x) 582#define SYS_ICH_LR0_EL2 __SYS__LR0_EL2(0) 583#define SYS_ICH_LR1_EL2 __SYS__LR0_EL2(1) 584#define SYS_ICH_LR2_EL2 __SYS__LR0_EL2(2) 585#define SYS_ICH_LR3_EL2 __SYS__LR0_EL2(3) 586#define SYS_ICH_LR4_EL2 __SYS__LR0_EL2(4) 587#define SYS_ICH_LR5_EL2 __SYS__LR0_EL2(5) 588#define SYS_ICH_LR6_EL2 __SYS__LR0_EL2(6) 589#define SYS_ICH_LR7_EL2 __SYS__LR0_EL2(7) 590 591#define __SYS__LR8_EL2(x) sys_reg(3, 4, 12, 13, x) 592#define SYS_ICH_LR8_EL2 __SYS__LR8_EL2(0) 593#define SYS_ICH_LR9_EL2 __SYS__LR8_EL2(1) 594#define SYS_ICH_LR10_EL2 __SYS__LR8_EL2(2) 595#define SYS_ICH_LR11_EL2 __SYS__LR8_EL2(3) 596#define SYS_ICH_LR12_EL2 __SYS__LR8_EL2(4) 597#define SYS_ICH_LR13_EL2 __SYS__LR8_EL2(5) 598#define SYS_ICH_LR14_EL2 __SYS__LR8_EL2(6) 599#define SYS_ICH_LR15_EL2 __SYS__LR8_EL2(7) 600 601#define SYS_CONTEXTIDR_EL2 sys_reg(3, 4, 13, 0, 1) 602#define SYS_TPIDR_EL2 sys_reg(3, 4, 13, 0, 2) 603#define SYS_SCXTNUM_EL2 sys_reg(3, 4, 13, 0, 7) 604 605#define __AMEV_op2(m) (m & 0x7) 606#define __AMEV_CRm(n, m) (n | ((m & 0x8) >> 3)) 607#define __SYS__AMEVCNTVOFF0n_EL2(m) sys_reg(3, 4, 13, __AMEV_CRm(0x8, m), __AMEV_op2(m)) 608#define SYS_AMEVCNTVOFF0n_EL2(m) __SYS__AMEVCNTVOFF0n_EL2(m) 609#define __SYS__AMEVCNTVOFF1n_EL2(m) sys_reg(3, 4, 13, __AMEV_CRm(0xA, m), __AMEV_op2(m)) 610#define SYS_AMEVCNTVOFF1n_EL2(m) __SYS__AMEVCNTVOFF1n_EL2(m) 611 612#define SYS_CNTVOFF_EL2 sys_reg(3, 4, 14, 0, 3) 613#define SYS_CNTHCTL_EL2 sys_reg(3, 4, 14, 1, 0) 614#define SYS_CNTHP_TVAL_EL2 sys_reg(3, 4, 14, 2, 0) 615#define SYS_CNTHP_CTL_EL2 sys_reg(3, 4, 14, 2, 1) 616#define SYS_CNTHP_CVAL_EL2 sys_reg(3, 4, 14, 2, 2) 617#define SYS_CNTHV_TVAL_EL2 sys_reg(3, 4, 14, 3, 0) 618#define SYS_CNTHV_CTL_EL2 sys_reg(3, 4, 14, 3, 1) 619#define SYS_CNTHV_CVAL_EL2 sys_reg(3, 4, 14, 3, 2) 620 621/* VHE encodings for architectural EL0/1 system registers */ 622#define SYS_BRBCR_EL12 sys_reg(2, 5, 9, 0, 0) 623#define SYS_TTBR0_EL12 sys_reg(3, 5, 2, 0, 0) 624#define SYS_TTBR1_EL12 sys_reg(3, 5, 2, 0, 1) 625#define SYS_SPSR_EL12 sys_reg(3, 5, 4, 0, 0) 626#define SYS_ELR_EL12 sys_reg(3, 5, 4, 0, 1) 627#define SYS_AFSR0_EL12 sys_reg(3, 5, 5, 1, 0) 628#define SYS_AFSR1_EL12 sys_reg(3, 5, 5, 1, 1) 629#define SYS_ESR_EL12 sys_reg(3, 5, 5, 2, 0) 630#define SYS_TFSR_EL12 sys_reg(3, 5, 5, 6, 0) 631#define SYS_PMSCR_EL12 sys_reg(3, 5, 9, 9, 0) 632#define SYS_MAIR_EL12 sys_reg(3, 5, 10, 2, 0) 633#define SYS_AMAIR_EL12 sys_reg(3, 5, 10, 3, 0) 634#define SYS_VBAR_EL12 sys_reg(3, 5, 12, 0, 0) 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/* GIC Hypervisor interface registers */ 987/* ICH_LR*_EL2 bit definitions */ 988#define ICH_LR_VIRTUAL_ID_MASK ((1ULL << 32) - 1) 989 990#define ICH_LR_EOI (1ULL << 41) 991#define ICH_LR_GROUP (1ULL << 60) 992#define ICH_LR_HW (1ULL << 61) 993#define ICH_LR_STATE (3ULL << 62) 994#define ICH_LR_PENDING_BIT (1ULL << 62) 995#define ICH_LR_ACTIVE_BIT (1ULL << 63) 996#define ICH_LR_PHYS_ID_SHIFT 32 997#define ICH_LR_PHYS_ID_MASK (0x3ffULL << ICH_LR_PHYS_ID_SHIFT) 998#define ICH_LR_PRIORITY_SHIFT 48 999#define ICH_LR_PRIORITY_MASK (0xffULL << ICH_LR_PRIORITY_SHIFT) 1000 1001/* ICH_VMCR_EL2 bit definitions */ 1002#define ICH_VMCR_ACK_CTL_SHIFT 2 1003#define ICH_VMCR_ACK_CTL_MASK (1 << ICH_VMCR_ACK_CTL_SHIFT) 1004#define ICH_VMCR_FIQ_EN_SHIFT 3 1005#define ICH_VMCR_FIQ_EN_MASK (1 << ICH_VMCR_FIQ_EN_SHIFT) 1006#define ICH_VMCR_CBPR_SHIFT 4 1007#define ICH_VMCR_CBPR_MASK (1 << ICH_VMCR_CBPR_SHIFT) 1008#define ICH_VMCR_EOIM_SHIFT 9 1009#define ICH_VMCR_EOIM_MASK (1 << ICH_VMCR_EOIM_SHIFT) 1010#define ICH_VMCR_BPR1_SHIFT 18 1011#define ICH_VMCR_BPR1_MASK (7 << ICH_VMCR_BPR1_SHIFT) 1012#define ICH_VMCR_BPR0_SHIFT 21 1013#define ICH_VMCR_BPR0_MASK (7 << ICH_VMCR_BPR0_SHIFT) 1014#define ICH_VMCR_PMR_SHIFT 24 1015#define ICH_VMCR_PMR_MASK (0xffUL << ICH_VMCR_PMR_SHIFT) 1016#define ICH_VMCR_ENG0_SHIFT 0 1017#define ICH_VMCR_ENG0_MASK (1 << ICH_VMCR_ENG0_SHIFT) 1018#define ICH_VMCR_ENG1_SHIFT 1 1019#define ICH_VMCR_ENG1_MASK (1 << ICH_VMCR_ENG1_SHIFT) 1020 1021/* 1022 * Permission Indirection Extension (PIE) permission encodings. 1023 * Encodings with the _O suffix, have overlays applied (Permission Overlay Extension). 1024 */ 1025#define PIE_NONE_O UL(0x0) 1026#define PIE_R_O UL(0x1) 1027#define PIE_X_O UL(0x2) 1028#define PIE_RX_O UL(0x3) 1029#define PIE_RW_O UL(0x5) 1030#define PIE_RWnX_O UL(0x6) 1031#define PIE_RWX_O UL(0x7) 1032#define PIE_R UL(0x8) 1033#define PIE_GCS UL(0x9) 1034#define PIE_RX UL(0xa) 1035#define PIE_RW UL(0xc) 1036#define PIE_RWX UL(0xe) 1037#define PIE_MASK UL(0xf) 1038 1039#define PIRx_ELx_BITS_PER_IDX 4 1040#define PIRx_ELx_PERM_SHIFT(idx) ((idx) * PIRx_ELx_BITS_PER_IDX) 1041#define PIRx_ELx_PERM_PREP(idx, perm) (((perm) & PIE_MASK) << PIRx_ELx_PERM_SHIFT(idx)) 1042 1043/* 1044 * Permission Overlay Extension (POE) permission encodings. 1045 */ 1046#define POE_NONE UL(0x0) 1047#define POE_R UL(0x1) 1048#define POE_X UL(0x2) 1049#define POE_RX UL(0x3) 1050#define POE_W UL(0x4) 1051#define POE_RW UL(0x5) 1052#define POE_WX UL(0x6) 1053#define POE_RWX UL(0x7) 1054#define POE_MASK UL(0xf) 1055 1056#define POR_ELx_BITS_PER_IDX 4 1057#define POR_ELx_PERM_SHIFT(idx) ((idx) * POR_ELx_BITS_PER_IDX) 1058#define POR_ELx_PERM_GET(idx, reg) (((reg) >> POR_ELx_PERM_SHIFT(idx)) & POE_MASK) 1059#define POR_ELx_PERM_PREP(idx, perm) (((perm) & POE_MASK) << POR_ELx_PERM_SHIFT(idx)) 1060 1061/* 1062 * Definitions for Guarded Control Stack 1063 */ 1064 1065#define GCS_CAP_ADDR_MASK GENMASK(63, 12) 1066#define GCS_CAP_ADDR_SHIFT 12 1067#define GCS_CAP_ADDR_WIDTH 52 1068#define GCS_CAP_ADDR(x) FIELD_GET(GCS_CAP_ADDR_MASK, x) 1069 1070#define GCS_CAP_TOKEN_MASK GENMASK(11, 0) 1071#define GCS_CAP_TOKEN_SHIFT 0 1072#define GCS_CAP_TOKEN_WIDTH 12 1073#define GCS_CAP_TOKEN(x) FIELD_GET(GCS_CAP_TOKEN_MASK, x) 1074 1075#define GCS_CAP_VALID_TOKEN 0x1 1076#define GCS_CAP_IN_PROGRESS_TOKEN 0x5 1077 1078#define GCS_CAP(x) ((((unsigned long)x) & GCS_CAP_ADDR_MASK) | \ 1079 GCS_CAP_VALID_TOKEN) 1080 1081#define ARM64_FEATURE_FIELD_BITS 4 1082 1083/* Defined for compatibility only, do not add new users. */ 1084#define ARM64_FEATURE_MASK(x) (x##_MASK) 1085 1086#ifdef __ASSEMBLY__ 1087 1088 .macro mrs_s, rt, sreg 1089 __emit_inst(0xd5200000|(\sreg)|(.L__gpr_num_\rt)) 1090 .endm 1091 1092 .macro msr_s, sreg, rt 1093 __emit_inst(0xd5000000|(\sreg)|(.L__gpr_num_\rt)) 1094 .endm 1095 1096#else 1097 1098#include <linux/bitfield.h> 1099#include <linux/build_bug.h> 1100#include <linux/types.h> 1101#include <asm/alternative.h> 1102 1103#define DEFINE_MRS_S \ 1104 __DEFINE_ASM_GPR_NUMS \ 1105" .macro mrs_s, rt, sreg\n" \ 1106 __emit_inst(0xd5200000|(\\sreg)|(.L__gpr_num_\\rt)) \ 1107" .endm\n" 1108 1109#define DEFINE_MSR_S \ 1110 __DEFINE_ASM_GPR_NUMS \ 1111" .macro msr_s, sreg, rt\n" \ 1112 __emit_inst(0xd5000000|(\\sreg)|(.L__gpr_num_\\rt)) \ 1113" .endm\n" 1114 1115#define UNDEFINE_MRS_S \ 1116" .purgem mrs_s\n" 1117 1118#define UNDEFINE_MSR_S \ 1119" .purgem msr_s\n" 1120 1121#define __mrs_s(v, r) \ 1122 DEFINE_MRS_S \ 1123" mrs_s " v ", " __stringify(r) "\n" \ 1124 UNDEFINE_MRS_S 1125 1126#define __msr_s(r, v) \ 1127 DEFINE_MSR_S \ 1128" msr_s " __stringify(r) ", " v "\n" \ 1129 UNDEFINE_MSR_S 1130 1131/* 1132 * Unlike read_cpuid, calls to read_sysreg are never expected to be 1133 * optimized away or replaced with synthetic values. 1134 */ 1135#define read_sysreg(r) ({ \ 1136 u64 __val; \ 1137 asm volatile("mrs %0, " __stringify(r) : "=r" (__val)); \ 1138 __val; \ 1139}) 1140 1141/* 1142 * The "Z" constraint normally means a zero immediate, but when combined with 1143 * the "%x0" template means XZR. 1144 */ 1145#define write_sysreg(v, r) do { \ 1146 u64 __val = (u64)(v); \ 1147 asm volatile("msr " __stringify(r) ", %x0" \ 1148 : : "rZ" (__val)); \ 1149} while (0) 1150 1151/* 1152 * For registers without architectural names, or simply unsupported by 1153 * GAS. 1154 * 1155 * __check_r forces warnings to be generated by the compiler when 1156 * evaluating r which wouldn't normally happen due to being passed to 1157 * the assembler via __stringify(r). 1158 */ 1159#define read_sysreg_s(r) ({ \ 1160 u64 __val; \ 1161 u32 __maybe_unused __check_r = (u32)(r); \ 1162 asm volatile(__mrs_s("%0", r) : "=r" (__val)); \ 1163 __val; \ 1164}) 1165 1166#define write_sysreg_s(v, r) do { \ 1167 u64 __val = (u64)(v); \ 1168 u32 __maybe_unused __check_r = (u32)(r); \ 1169 asm volatile(__msr_s(r, "%x0") : : "rZ" (__val)); \ 1170} while (0) 1171 1172/* 1173 * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the 1174 * set mask are set. Other bits are left as-is. 1175 */ 1176#define sysreg_clear_set(sysreg, clear, set) do { \ 1177 u64 __scs_val = read_sysreg(sysreg); \ 1178 u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \ 1179 if (__scs_new != __scs_val) \ 1180 write_sysreg(__scs_new, sysreg); \ 1181} while (0) 1182 1183#define sysreg_clear_set_s(sysreg, clear, set) do { \ 1184 u64 __scs_val = read_sysreg_s(sysreg); \ 1185 u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \ 1186 if (__scs_new != __scs_val) \ 1187 write_sysreg_s(__scs_new, sysreg); \ 1188} while (0) 1189 1190#define read_sysreg_par() ({ \ 1191 u64 par; \ 1192 asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412)); \ 1193 par = read_sysreg(par_el1); \ 1194 asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412)); \ 1195 par; \ 1196}) 1197 1198#define SYS_FIELD_VALUE(reg, field, val) reg##_##field##_##val 1199 1200#define SYS_FIELD_GET(reg, field, val) \ 1201 FIELD_GET(reg##_##field##_MASK, val) 1202 1203#define SYS_FIELD_PREP(reg, field, val) \ 1204 FIELD_PREP(reg##_##field##_MASK, val) 1205 1206#define SYS_FIELD_PREP_ENUM(reg, field, val) \ 1207 FIELD_PREP(reg##_##field##_MASK, \ 1208 SYS_FIELD_VALUE(reg, field, val)) 1209 1210#endif 1211 1212#endif /* __ASM_SYSREG_H */