root/arch/arm64/include/asm/sysreg.h

/* [<][>][^][v][top][bottom][index][help] */

INCLUDED FROM


   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 
  15 /*
  16  * ARMv8 ARM reserves the following encoding for system registers:
  17  * (Ref: ARMv8 ARM, Section: "System instruction class encoding overview",
  18  *  C5.2, version:ARM DDI 0487A.f)
  19  *      [20-19] : Op0
  20  *      [18-16] : Op1
  21  *      [15-12] : CRn
  22  *      [11-8]  : CRm
  23  *      [7-5]   : Op2
  24  */
  25 #define Op0_shift       19
  26 #define Op0_mask        0x3
  27 #define Op1_shift       16
  28 #define Op1_mask        0x7
  29 #define CRn_shift       12
  30 #define CRn_mask        0xf
  31 #define CRm_shift       8
  32 #define CRm_mask        0xf
  33 #define Op2_shift       5
  34 #define Op2_mask        0x7
  35 
  36 #define sys_reg(op0, op1, crn, crm, op2) \
  37         (((op0) << Op0_shift) | ((op1) << Op1_shift) | \
  38          ((crn) << CRn_shift) | ((crm) << CRm_shift) | \
  39          ((op2) << Op2_shift))
  40 
  41 #define sys_insn        sys_reg
  42 
  43 #define sys_reg_Op0(id) (((id) >> Op0_shift) & Op0_mask)
  44 #define sys_reg_Op1(id) (((id) >> Op1_shift) & Op1_mask)
  45 #define sys_reg_CRn(id) (((id) >> CRn_shift) & CRn_mask)
  46 #define sys_reg_CRm(id) (((id) >> CRm_shift) & CRm_mask)
  47 #define sys_reg_Op2(id) (((id) >> Op2_shift) & Op2_mask)
  48 
  49 #ifndef CONFIG_BROKEN_GAS_INST
  50 
  51 #ifdef __ASSEMBLY__
  52 // The space separator is omitted so that __emit_inst(x) can be parsed as
  53 // either an assembler directive or an assembler macro argument.
  54 #define __emit_inst(x)                  .inst(x)
  55 #else
  56 #define __emit_inst(x)                  ".inst " __stringify((x)) "\n\t"
  57 #endif
  58 
  59 #else  /* CONFIG_BROKEN_GAS_INST */
  60 
  61 #ifndef CONFIG_CPU_BIG_ENDIAN
  62 #define __INSTR_BSWAP(x)                (x)
  63 #else  /* CONFIG_CPU_BIG_ENDIAN */
  64 #define __INSTR_BSWAP(x)                ((((x) << 24) & 0xff000000)     | \
  65                                          (((x) <<  8) & 0x00ff0000)     | \
  66                                          (((x) >>  8) & 0x0000ff00)     | \
  67                                          (((x) >> 24) & 0x000000ff))
  68 #endif  /* CONFIG_CPU_BIG_ENDIAN */
  69 
  70 #ifdef __ASSEMBLY__
  71 #define __emit_inst(x)                  .long __INSTR_BSWAP(x)
  72 #else  /* __ASSEMBLY__ */
  73 #define __emit_inst(x)                  ".long " __stringify(__INSTR_BSWAP(x)) "\n\t"
  74 #endif  /* __ASSEMBLY__ */
  75 
  76 #endif  /* CONFIG_BROKEN_GAS_INST */
  77 
  78 /*
  79  * Instructions for modifying PSTATE fields.
  80  * As per Arm ARM for v8-A, Section "C.5.1.3 op0 == 0b00, architectural hints,
  81  * barriers and CLREX, and PSTATE access", ARM DDI 0487 C.a, system instructions
  82  * for accessing PSTATE fields have the following encoding:
  83  *      Op0 = 0, CRn = 4
  84  *      Op1, Op2 encodes the PSTATE field modified and defines the constraints.
  85  *      CRm = Imm4 for the instruction.
  86  *      Rt = 0x1f
  87  */
  88 #define pstate_field(op1, op2)          ((op1) << Op1_shift | (op2) << Op2_shift)
  89 #define PSTATE_Imm_shift                CRm_shift
  90 
  91 #define PSTATE_PAN                      pstate_field(0, 4)
  92 #define PSTATE_UAO                      pstate_field(0, 3)
  93 #define PSTATE_SSBS                     pstate_field(3, 1)
  94 
  95 #define SET_PSTATE_PAN(x)               __emit_inst(0xd500401f | PSTATE_PAN | ((!!x) << PSTATE_Imm_shift))
  96 #define SET_PSTATE_UAO(x)               __emit_inst(0xd500401f | PSTATE_UAO | ((!!x) << PSTATE_Imm_shift))
  97 #define SET_PSTATE_SSBS(x)              __emit_inst(0xd500401f | PSTATE_SSBS | ((!!x) << PSTATE_Imm_shift))
  98 
  99 #define __SYS_BARRIER_INSN(CRm, op2, Rt) \
 100         __emit_inst(0xd5000000 | sys_insn(0, 3, 3, (CRm), (op2)) | ((Rt) & 0x1f))
 101 
 102 #define SB_BARRIER_INSN                 __SYS_BARRIER_INSN(0, 7, 31)
 103 
 104 #define SYS_DC_ISW                      sys_insn(1, 0, 7, 6, 2)
 105 #define SYS_DC_CSW                      sys_insn(1, 0, 7, 10, 2)
 106 #define SYS_DC_CISW                     sys_insn(1, 0, 7, 14, 2)
 107 
 108 #define SYS_OSDTRRX_EL1                 sys_reg(2, 0, 0, 0, 2)
 109 #define SYS_MDCCINT_EL1                 sys_reg(2, 0, 0, 2, 0)
 110 #define SYS_MDSCR_EL1                   sys_reg(2, 0, 0, 2, 2)
 111 #define SYS_OSDTRTX_EL1                 sys_reg(2, 0, 0, 3, 2)
 112 #define SYS_OSECCR_EL1                  sys_reg(2, 0, 0, 6, 2)
 113 #define SYS_DBGBVRn_EL1(n)              sys_reg(2, 0, 0, n, 4)
 114 #define SYS_DBGBCRn_EL1(n)              sys_reg(2, 0, 0, n, 5)
 115 #define SYS_DBGWVRn_EL1(n)              sys_reg(2, 0, 0, n, 6)
 116 #define SYS_DBGWCRn_EL1(n)              sys_reg(2, 0, 0, n, 7)
 117 #define SYS_MDRAR_EL1                   sys_reg(2, 0, 1, 0, 0)
 118 #define SYS_OSLAR_EL1                   sys_reg(2, 0, 1, 0, 4)
 119 #define SYS_OSLSR_EL1                   sys_reg(2, 0, 1, 1, 4)
 120 #define SYS_OSDLR_EL1                   sys_reg(2, 0, 1, 3, 4)
 121 #define SYS_DBGPRCR_EL1                 sys_reg(2, 0, 1, 4, 4)
 122 #define SYS_DBGCLAIMSET_EL1             sys_reg(2, 0, 7, 8, 6)
 123 #define SYS_DBGCLAIMCLR_EL1             sys_reg(2, 0, 7, 9, 6)
 124 #define SYS_DBGAUTHSTATUS_EL1           sys_reg(2, 0, 7, 14, 6)
 125 #define SYS_MDCCSR_EL0                  sys_reg(2, 3, 0, 1, 0)
 126 #define SYS_DBGDTR_EL0                  sys_reg(2, 3, 0, 4, 0)
 127 #define SYS_DBGDTRRX_EL0                sys_reg(2, 3, 0, 5, 0)
 128 #define SYS_DBGDTRTX_EL0                sys_reg(2, 3, 0, 5, 0)
 129 #define SYS_DBGVCR32_EL2                sys_reg(2, 4, 0, 7, 0)
 130 
 131 #define SYS_MIDR_EL1                    sys_reg(3, 0, 0, 0, 0)
 132 #define SYS_MPIDR_EL1                   sys_reg(3, 0, 0, 0, 5)
 133 #define SYS_REVIDR_EL1                  sys_reg(3, 0, 0, 0, 6)
 134 
 135 #define SYS_ID_PFR0_EL1                 sys_reg(3, 0, 0, 1, 0)
 136 #define SYS_ID_PFR1_EL1                 sys_reg(3, 0, 0, 1, 1)
 137 #define SYS_ID_DFR0_EL1                 sys_reg(3, 0, 0, 1, 2)
 138 #define SYS_ID_AFR0_EL1                 sys_reg(3, 0, 0, 1, 3)
 139 #define SYS_ID_MMFR0_EL1                sys_reg(3, 0, 0, 1, 4)
 140 #define SYS_ID_MMFR1_EL1                sys_reg(3, 0, 0, 1, 5)
 141 #define SYS_ID_MMFR2_EL1                sys_reg(3, 0, 0, 1, 6)
 142 #define SYS_ID_MMFR3_EL1                sys_reg(3, 0, 0, 1, 7)
 143 
 144 #define SYS_ID_ISAR0_EL1                sys_reg(3, 0, 0, 2, 0)
 145 #define SYS_ID_ISAR1_EL1                sys_reg(3, 0, 0, 2, 1)
 146 #define SYS_ID_ISAR2_EL1                sys_reg(3, 0, 0, 2, 2)
 147 #define SYS_ID_ISAR3_EL1                sys_reg(3, 0, 0, 2, 3)
 148 #define SYS_ID_ISAR4_EL1                sys_reg(3, 0, 0, 2, 4)
 149 #define SYS_ID_ISAR5_EL1                sys_reg(3, 0, 0, 2, 5)
 150 #define SYS_ID_MMFR4_EL1                sys_reg(3, 0, 0, 2, 6)
 151 
 152 #define SYS_MVFR0_EL1                   sys_reg(3, 0, 0, 3, 0)
 153 #define SYS_MVFR1_EL1                   sys_reg(3, 0, 0, 3, 1)
 154 #define SYS_MVFR2_EL1                   sys_reg(3, 0, 0, 3, 2)
 155 
 156 #define SYS_ID_AA64PFR0_EL1             sys_reg(3, 0, 0, 4, 0)
 157 #define SYS_ID_AA64PFR1_EL1             sys_reg(3, 0, 0, 4, 1)
 158 #define SYS_ID_AA64ZFR0_EL1             sys_reg(3, 0, 0, 4, 4)
 159 
 160 #define SYS_ID_AA64DFR0_EL1             sys_reg(3, 0, 0, 5, 0)
 161 #define SYS_ID_AA64DFR1_EL1             sys_reg(3, 0, 0, 5, 1)
 162 
 163 #define SYS_ID_AA64AFR0_EL1             sys_reg(3, 0, 0, 5, 4)
 164 #define SYS_ID_AA64AFR1_EL1             sys_reg(3, 0, 0, 5, 5)
 165 
 166 #define SYS_ID_AA64ISAR0_EL1            sys_reg(3, 0, 0, 6, 0)
 167 #define SYS_ID_AA64ISAR1_EL1            sys_reg(3, 0, 0, 6, 1)
 168 
 169 #define SYS_ID_AA64MMFR0_EL1            sys_reg(3, 0, 0, 7, 0)
 170 #define SYS_ID_AA64MMFR1_EL1            sys_reg(3, 0, 0, 7, 1)
 171 #define SYS_ID_AA64MMFR2_EL1            sys_reg(3, 0, 0, 7, 2)
 172 
 173 #define SYS_SCTLR_EL1                   sys_reg(3, 0, 1, 0, 0)
 174 #define SYS_ACTLR_EL1                   sys_reg(3, 0, 1, 0, 1)
 175 #define SYS_CPACR_EL1                   sys_reg(3, 0, 1, 0, 2)
 176 
 177 #define SYS_ZCR_EL1                     sys_reg(3, 0, 1, 2, 0)
 178 
 179 #define SYS_TTBR0_EL1                   sys_reg(3, 0, 2, 0, 0)
 180 #define SYS_TTBR1_EL1                   sys_reg(3, 0, 2, 0, 1)
 181 #define SYS_TCR_EL1                     sys_reg(3, 0, 2, 0, 2)
 182 
 183 #define SYS_APIAKEYLO_EL1               sys_reg(3, 0, 2, 1, 0)
 184 #define SYS_APIAKEYHI_EL1               sys_reg(3, 0, 2, 1, 1)
 185 #define SYS_APIBKEYLO_EL1               sys_reg(3, 0, 2, 1, 2)
 186 #define SYS_APIBKEYHI_EL1               sys_reg(3, 0, 2, 1, 3)
 187 
 188 #define SYS_APDAKEYLO_EL1               sys_reg(3, 0, 2, 2, 0)
 189 #define SYS_APDAKEYHI_EL1               sys_reg(3, 0, 2, 2, 1)
 190 #define SYS_APDBKEYLO_EL1               sys_reg(3, 0, 2, 2, 2)
 191 #define SYS_APDBKEYHI_EL1               sys_reg(3, 0, 2, 2, 3)
 192 
 193 #define SYS_APGAKEYLO_EL1               sys_reg(3, 0, 2, 3, 0)
 194 #define SYS_APGAKEYHI_EL1               sys_reg(3, 0, 2, 3, 1)
 195 
 196 #define SYS_SPSR_EL1                    sys_reg(3, 0, 4, 0, 0)
 197 #define SYS_ELR_EL1                     sys_reg(3, 0, 4, 0, 1)
 198 
 199 #define SYS_ICC_PMR_EL1                 sys_reg(3, 0, 4, 6, 0)
 200 
 201 #define SYS_AFSR0_EL1                   sys_reg(3, 0, 5, 1, 0)
 202 #define SYS_AFSR1_EL1                   sys_reg(3, 0, 5, 1, 1)
 203 #define SYS_ESR_EL1                     sys_reg(3, 0, 5, 2, 0)
 204 
 205 #define SYS_ERRIDR_EL1                  sys_reg(3, 0, 5, 3, 0)
 206 #define SYS_ERRSELR_EL1                 sys_reg(3, 0, 5, 3, 1)
 207 #define SYS_ERXFR_EL1                   sys_reg(3, 0, 5, 4, 0)
 208 #define SYS_ERXCTLR_EL1                 sys_reg(3, 0, 5, 4, 1)
 209 #define SYS_ERXSTATUS_EL1               sys_reg(3, 0, 5, 4, 2)
 210 #define SYS_ERXADDR_EL1                 sys_reg(3, 0, 5, 4, 3)
 211 #define SYS_ERXMISC0_EL1                sys_reg(3, 0, 5, 5, 0)
 212 #define SYS_ERXMISC1_EL1                sys_reg(3, 0, 5, 5, 1)
 213 
 214 #define SYS_FAR_EL1                     sys_reg(3, 0, 6, 0, 0)
 215 #define SYS_PAR_EL1                     sys_reg(3, 0, 7, 4, 0)
 216 
 217 #define SYS_PAR_EL1_F                   BIT(0)
 218 #define SYS_PAR_EL1_FST                 GENMASK(6, 1)
 219 
 220 /*** Statistical Profiling Extension ***/
 221 /* ID registers */
 222 #define SYS_PMSIDR_EL1                  sys_reg(3, 0, 9, 9, 7)
 223 #define SYS_PMSIDR_EL1_FE_SHIFT         0
 224 #define SYS_PMSIDR_EL1_FT_SHIFT         1
 225 #define SYS_PMSIDR_EL1_FL_SHIFT         2
 226 #define SYS_PMSIDR_EL1_ARCHINST_SHIFT   3
 227 #define SYS_PMSIDR_EL1_LDS_SHIFT        4
 228 #define SYS_PMSIDR_EL1_ERND_SHIFT       5
 229 #define SYS_PMSIDR_EL1_INTERVAL_SHIFT   8
 230 #define SYS_PMSIDR_EL1_INTERVAL_MASK    0xfUL
 231 #define SYS_PMSIDR_EL1_MAXSIZE_SHIFT    12
 232 #define SYS_PMSIDR_EL1_MAXSIZE_MASK     0xfUL
 233 #define SYS_PMSIDR_EL1_COUNTSIZE_SHIFT  16
 234 #define SYS_PMSIDR_EL1_COUNTSIZE_MASK   0xfUL
 235 
 236 #define SYS_PMBIDR_EL1                  sys_reg(3, 0, 9, 10, 7)
 237 #define SYS_PMBIDR_EL1_ALIGN_SHIFT      0
 238 #define SYS_PMBIDR_EL1_ALIGN_MASK       0xfU
 239 #define SYS_PMBIDR_EL1_P_SHIFT          4
 240 #define SYS_PMBIDR_EL1_F_SHIFT          5
 241 
 242 /* Sampling controls */
 243 #define SYS_PMSCR_EL1                   sys_reg(3, 0, 9, 9, 0)
 244 #define SYS_PMSCR_EL1_E0SPE_SHIFT       0
 245 #define SYS_PMSCR_EL1_E1SPE_SHIFT       1
 246 #define SYS_PMSCR_EL1_CX_SHIFT          3
 247 #define SYS_PMSCR_EL1_PA_SHIFT          4
 248 #define SYS_PMSCR_EL1_TS_SHIFT          5
 249 #define SYS_PMSCR_EL1_PCT_SHIFT         6
 250 
 251 #define SYS_PMSCR_EL2                   sys_reg(3, 4, 9, 9, 0)
 252 #define SYS_PMSCR_EL2_E0HSPE_SHIFT      0
 253 #define SYS_PMSCR_EL2_E2SPE_SHIFT       1
 254 #define SYS_PMSCR_EL2_CX_SHIFT          3
 255 #define SYS_PMSCR_EL2_PA_SHIFT          4
 256 #define SYS_PMSCR_EL2_TS_SHIFT          5
 257 #define SYS_PMSCR_EL2_PCT_SHIFT         6
 258 
 259 #define SYS_PMSICR_EL1                  sys_reg(3, 0, 9, 9, 2)
 260 
 261 #define SYS_PMSIRR_EL1                  sys_reg(3, 0, 9, 9, 3)
 262 #define SYS_PMSIRR_EL1_RND_SHIFT        0
 263 #define SYS_PMSIRR_EL1_INTERVAL_SHIFT   8
 264 #define SYS_PMSIRR_EL1_INTERVAL_MASK    0xffffffUL
 265 
 266 /* Filtering controls */
 267 #define SYS_PMSFCR_EL1                  sys_reg(3, 0, 9, 9, 4)
 268 #define SYS_PMSFCR_EL1_FE_SHIFT         0
 269 #define SYS_PMSFCR_EL1_FT_SHIFT         1
 270 #define SYS_PMSFCR_EL1_FL_SHIFT         2
 271 #define SYS_PMSFCR_EL1_B_SHIFT          16
 272 #define SYS_PMSFCR_EL1_LD_SHIFT         17
 273 #define SYS_PMSFCR_EL1_ST_SHIFT         18
 274 
 275 #define SYS_PMSEVFR_EL1                 sys_reg(3, 0, 9, 9, 5)
 276 #define SYS_PMSEVFR_EL1_RES0            0x0000ffff00ff0f55UL
 277 
 278 #define SYS_PMSLATFR_EL1                sys_reg(3, 0, 9, 9, 6)
 279 #define SYS_PMSLATFR_EL1_MINLAT_SHIFT   0
 280 
 281 /* Buffer controls */
 282 #define SYS_PMBLIMITR_EL1               sys_reg(3, 0, 9, 10, 0)
 283 #define SYS_PMBLIMITR_EL1_E_SHIFT       0
 284 #define SYS_PMBLIMITR_EL1_FM_SHIFT      1
 285 #define SYS_PMBLIMITR_EL1_FM_MASK       0x3UL
 286 #define SYS_PMBLIMITR_EL1_FM_STOP_IRQ   (0 << SYS_PMBLIMITR_EL1_FM_SHIFT)
 287 
 288 #define SYS_PMBPTR_EL1                  sys_reg(3, 0, 9, 10, 1)
 289 
 290 /* Buffer error reporting */
 291 #define SYS_PMBSR_EL1                   sys_reg(3, 0, 9, 10, 3)
 292 #define SYS_PMBSR_EL1_COLL_SHIFT        16
 293 #define SYS_PMBSR_EL1_S_SHIFT           17
 294 #define SYS_PMBSR_EL1_EA_SHIFT          18
 295 #define SYS_PMBSR_EL1_DL_SHIFT          19
 296 #define SYS_PMBSR_EL1_EC_SHIFT          26
 297 #define SYS_PMBSR_EL1_EC_MASK           0x3fUL
 298 
 299 #define SYS_PMBSR_EL1_EC_BUF            (0x0UL << SYS_PMBSR_EL1_EC_SHIFT)
 300 #define SYS_PMBSR_EL1_EC_FAULT_S1       (0x24UL << SYS_PMBSR_EL1_EC_SHIFT)
 301 #define SYS_PMBSR_EL1_EC_FAULT_S2       (0x25UL << SYS_PMBSR_EL1_EC_SHIFT)
 302 
 303 #define SYS_PMBSR_EL1_FAULT_FSC_SHIFT   0
 304 #define SYS_PMBSR_EL1_FAULT_FSC_MASK    0x3fUL
 305 
 306 #define SYS_PMBSR_EL1_BUF_BSC_SHIFT     0
 307 #define SYS_PMBSR_EL1_BUF_BSC_MASK      0x3fUL
 308 
 309 #define SYS_PMBSR_EL1_BUF_BSC_FULL      (0x1UL << SYS_PMBSR_EL1_BUF_BSC_SHIFT)
 310 
 311 /*** End of Statistical Profiling Extension ***/
 312 
 313 #define SYS_PMINTENSET_EL1              sys_reg(3, 0, 9, 14, 1)
 314 #define SYS_PMINTENCLR_EL1              sys_reg(3, 0, 9, 14, 2)
 315 
 316 #define SYS_MAIR_EL1                    sys_reg(3, 0, 10, 2, 0)
 317 #define SYS_AMAIR_EL1                   sys_reg(3, 0, 10, 3, 0)
 318 
 319 #define SYS_LORSA_EL1                   sys_reg(3, 0, 10, 4, 0)
 320 #define SYS_LOREA_EL1                   sys_reg(3, 0, 10, 4, 1)
 321 #define SYS_LORN_EL1                    sys_reg(3, 0, 10, 4, 2)
 322 #define SYS_LORC_EL1                    sys_reg(3, 0, 10, 4, 3)
 323 #define SYS_LORID_EL1                   sys_reg(3, 0, 10, 4, 7)
 324 
 325 #define SYS_VBAR_EL1                    sys_reg(3, 0, 12, 0, 0)
 326 #define SYS_DISR_EL1                    sys_reg(3, 0, 12, 1, 1)
 327 
 328 #define SYS_ICC_IAR0_EL1                sys_reg(3, 0, 12, 8, 0)
 329 #define SYS_ICC_EOIR0_EL1               sys_reg(3, 0, 12, 8, 1)
 330 #define SYS_ICC_HPPIR0_EL1              sys_reg(3, 0, 12, 8, 2)
 331 #define SYS_ICC_BPR0_EL1                sys_reg(3, 0, 12, 8, 3)
 332 #define SYS_ICC_AP0Rn_EL1(n)            sys_reg(3, 0, 12, 8, 4 | n)
 333 #define SYS_ICC_AP0R0_EL1               SYS_ICC_AP0Rn_EL1(0)
 334 #define SYS_ICC_AP0R1_EL1               SYS_ICC_AP0Rn_EL1(1)
 335 #define SYS_ICC_AP0R2_EL1               SYS_ICC_AP0Rn_EL1(2)
 336 #define SYS_ICC_AP0R3_EL1               SYS_ICC_AP0Rn_EL1(3)
 337 #define SYS_ICC_AP1Rn_EL1(n)            sys_reg(3, 0, 12, 9, n)
 338 #define SYS_ICC_AP1R0_EL1               SYS_ICC_AP1Rn_EL1(0)
 339 #define SYS_ICC_AP1R1_EL1               SYS_ICC_AP1Rn_EL1(1)
 340 #define SYS_ICC_AP1R2_EL1               SYS_ICC_AP1Rn_EL1(2)
 341 #define SYS_ICC_AP1R3_EL1               SYS_ICC_AP1Rn_EL1(3)
 342 #define SYS_ICC_DIR_EL1                 sys_reg(3, 0, 12, 11, 1)
 343 #define SYS_ICC_RPR_EL1                 sys_reg(3, 0, 12, 11, 3)
 344 #define SYS_ICC_SGI1R_EL1               sys_reg(3, 0, 12, 11, 5)
 345 #define SYS_ICC_ASGI1R_EL1              sys_reg(3, 0, 12, 11, 6)
 346 #define SYS_ICC_SGI0R_EL1               sys_reg(3, 0, 12, 11, 7)
 347 #define SYS_ICC_IAR1_EL1                sys_reg(3, 0, 12, 12, 0)
 348 #define SYS_ICC_EOIR1_EL1               sys_reg(3, 0, 12, 12, 1)
 349 #define SYS_ICC_HPPIR1_EL1              sys_reg(3, 0, 12, 12, 2)
 350 #define SYS_ICC_BPR1_EL1                sys_reg(3, 0, 12, 12, 3)
 351 #define SYS_ICC_CTLR_EL1                sys_reg(3, 0, 12, 12, 4)
 352 #define SYS_ICC_SRE_EL1                 sys_reg(3, 0, 12, 12, 5)
 353 #define SYS_ICC_IGRPEN0_EL1             sys_reg(3, 0, 12, 12, 6)
 354 #define SYS_ICC_IGRPEN1_EL1             sys_reg(3, 0, 12, 12, 7)
 355 
 356 #define SYS_CONTEXTIDR_EL1              sys_reg(3, 0, 13, 0, 1)
 357 #define SYS_TPIDR_EL1                   sys_reg(3, 0, 13, 0, 4)
 358 
 359 #define SYS_CNTKCTL_EL1                 sys_reg(3, 0, 14, 1, 0)
 360 
 361 #define SYS_CCSIDR_EL1                  sys_reg(3, 1, 0, 0, 0)
 362 #define SYS_CLIDR_EL1                   sys_reg(3, 1, 0, 0, 1)
 363 #define SYS_AIDR_EL1                    sys_reg(3, 1, 0, 0, 7)
 364 
 365 #define SYS_CSSELR_EL1                  sys_reg(3, 2, 0, 0, 0)
 366 
 367 #define SYS_CTR_EL0                     sys_reg(3, 3, 0, 0, 1)
 368 #define SYS_DCZID_EL0                   sys_reg(3, 3, 0, 0, 7)
 369 
 370 #define SYS_PMCR_EL0                    sys_reg(3, 3, 9, 12, 0)
 371 #define SYS_PMCNTENSET_EL0              sys_reg(3, 3, 9, 12, 1)
 372 #define SYS_PMCNTENCLR_EL0              sys_reg(3, 3, 9, 12, 2)
 373 #define SYS_PMOVSCLR_EL0                sys_reg(3, 3, 9, 12, 3)
 374 #define SYS_PMSWINC_EL0                 sys_reg(3, 3, 9, 12, 4)
 375 #define SYS_PMSELR_EL0                  sys_reg(3, 3, 9, 12, 5)
 376 #define SYS_PMCEID0_EL0                 sys_reg(3, 3, 9, 12, 6)
 377 #define SYS_PMCEID1_EL0                 sys_reg(3, 3, 9, 12, 7)
 378 #define SYS_PMCCNTR_EL0                 sys_reg(3, 3, 9, 13, 0)
 379 #define SYS_PMXEVTYPER_EL0              sys_reg(3, 3, 9, 13, 1)
 380 #define SYS_PMXEVCNTR_EL0               sys_reg(3, 3, 9, 13, 2)
 381 #define SYS_PMUSERENR_EL0               sys_reg(3, 3, 9, 14, 0)
 382 #define SYS_PMOVSSET_EL0                sys_reg(3, 3, 9, 14, 3)
 383 
 384 #define SYS_TPIDR_EL0                   sys_reg(3, 3, 13, 0, 2)
 385 #define SYS_TPIDRRO_EL0                 sys_reg(3, 3, 13, 0, 3)
 386 
 387 #define SYS_CNTFRQ_EL0                  sys_reg(3, 3, 14, 0, 0)
 388 
 389 #define SYS_CNTP_TVAL_EL0               sys_reg(3, 3, 14, 2, 0)
 390 #define SYS_CNTP_CTL_EL0                sys_reg(3, 3, 14, 2, 1)
 391 #define SYS_CNTP_CVAL_EL0               sys_reg(3, 3, 14, 2, 2)
 392 
 393 #define SYS_CNTV_CTL_EL0                sys_reg(3, 3, 14, 3, 1)
 394 #define SYS_CNTV_CVAL_EL0               sys_reg(3, 3, 14, 3, 2)
 395 
 396 #define SYS_AARCH32_CNTP_TVAL           sys_reg(0, 0, 14, 2, 0)
 397 #define SYS_AARCH32_CNTP_CTL            sys_reg(0, 0, 14, 2, 1)
 398 #define SYS_AARCH32_CNTP_CVAL           sys_reg(0, 2, 0, 14, 0)
 399 
 400 #define __PMEV_op2(n)                   ((n) & 0x7)
 401 #define __CNTR_CRm(n)                   (0x8 | (((n) >> 3) & 0x3))
 402 #define SYS_PMEVCNTRn_EL0(n)            sys_reg(3, 3, 14, __CNTR_CRm(n), __PMEV_op2(n))
 403 #define __TYPER_CRm(n)                  (0xc | (((n) >> 3) & 0x3))
 404 #define SYS_PMEVTYPERn_EL0(n)           sys_reg(3, 3, 14, __TYPER_CRm(n), __PMEV_op2(n))
 405 
 406 #define SYS_PMCCFILTR_EL0               sys_reg(3, 3, 14, 15, 7)
 407 
 408 #define SYS_ZCR_EL2                     sys_reg(3, 4, 1, 2, 0)
 409 #define SYS_DACR32_EL2                  sys_reg(3, 4, 3, 0, 0)
 410 #define SYS_SPSR_EL2                    sys_reg(3, 4, 4, 0, 0)
 411 #define SYS_ELR_EL2                     sys_reg(3, 4, 4, 0, 1)
 412 #define SYS_IFSR32_EL2                  sys_reg(3, 4, 5, 0, 1)
 413 #define SYS_ESR_EL2                     sys_reg(3, 4, 5, 2, 0)
 414 #define SYS_VSESR_EL2                   sys_reg(3, 4, 5, 2, 3)
 415 #define SYS_FPEXC32_EL2                 sys_reg(3, 4, 5, 3, 0)
 416 #define SYS_FAR_EL2                     sys_reg(3, 4, 6, 0, 0)
 417 
 418 #define SYS_VDISR_EL2                   sys_reg(3, 4, 12, 1,  1)
 419 #define __SYS__AP0Rx_EL2(x)             sys_reg(3, 4, 12, 8, x)
 420 #define SYS_ICH_AP0R0_EL2               __SYS__AP0Rx_EL2(0)
 421 #define SYS_ICH_AP0R1_EL2               __SYS__AP0Rx_EL2(1)
 422 #define SYS_ICH_AP0R2_EL2               __SYS__AP0Rx_EL2(2)
 423 #define SYS_ICH_AP0R3_EL2               __SYS__AP0Rx_EL2(3)
 424 
 425 #define __SYS__AP1Rx_EL2(x)             sys_reg(3, 4, 12, 9, x)
 426 #define SYS_ICH_AP1R0_EL2               __SYS__AP1Rx_EL2(0)
 427 #define SYS_ICH_AP1R1_EL2               __SYS__AP1Rx_EL2(1)
 428 #define SYS_ICH_AP1R2_EL2               __SYS__AP1Rx_EL2(2)
 429 #define SYS_ICH_AP1R3_EL2               __SYS__AP1Rx_EL2(3)
 430 
 431 #define SYS_ICH_VSEIR_EL2               sys_reg(3, 4, 12, 9, 4)
 432 #define SYS_ICC_SRE_EL2                 sys_reg(3, 4, 12, 9, 5)
 433 #define SYS_ICH_HCR_EL2                 sys_reg(3, 4, 12, 11, 0)
 434 #define SYS_ICH_VTR_EL2                 sys_reg(3, 4, 12, 11, 1)
 435 #define SYS_ICH_MISR_EL2                sys_reg(3, 4, 12, 11, 2)
 436 #define SYS_ICH_EISR_EL2                sys_reg(3, 4, 12, 11, 3)
 437 #define SYS_ICH_ELRSR_EL2               sys_reg(3, 4, 12, 11, 5)
 438 #define SYS_ICH_VMCR_EL2                sys_reg(3, 4, 12, 11, 7)
 439 
 440 #define __SYS__LR0_EL2(x)               sys_reg(3, 4, 12, 12, x)
 441 #define SYS_ICH_LR0_EL2                 __SYS__LR0_EL2(0)
 442 #define SYS_ICH_LR1_EL2                 __SYS__LR0_EL2(1)
 443 #define SYS_ICH_LR2_EL2                 __SYS__LR0_EL2(2)
 444 #define SYS_ICH_LR3_EL2                 __SYS__LR0_EL2(3)
 445 #define SYS_ICH_LR4_EL2                 __SYS__LR0_EL2(4)
 446 #define SYS_ICH_LR5_EL2                 __SYS__LR0_EL2(5)
 447 #define SYS_ICH_LR6_EL2                 __SYS__LR0_EL2(6)
 448 #define SYS_ICH_LR7_EL2                 __SYS__LR0_EL2(7)
 449 
 450 #define __SYS__LR8_EL2(x)               sys_reg(3, 4, 12, 13, x)
 451 #define SYS_ICH_LR8_EL2                 __SYS__LR8_EL2(0)
 452 #define SYS_ICH_LR9_EL2                 __SYS__LR8_EL2(1)
 453 #define SYS_ICH_LR10_EL2                __SYS__LR8_EL2(2)
 454 #define SYS_ICH_LR11_EL2                __SYS__LR8_EL2(3)
 455 #define SYS_ICH_LR12_EL2                __SYS__LR8_EL2(4)
 456 #define SYS_ICH_LR13_EL2                __SYS__LR8_EL2(5)
 457 #define SYS_ICH_LR14_EL2                __SYS__LR8_EL2(6)
 458 #define SYS_ICH_LR15_EL2                __SYS__LR8_EL2(7)
 459 
 460 /* VHE encodings for architectural EL0/1 system registers */
 461 #define SYS_SCTLR_EL12                  sys_reg(3, 5, 1, 0, 0)
 462 #define SYS_CPACR_EL12                  sys_reg(3, 5, 1, 0, 2)
 463 #define SYS_ZCR_EL12                    sys_reg(3, 5, 1, 2, 0)
 464 #define SYS_TTBR0_EL12                  sys_reg(3, 5, 2, 0, 0)
 465 #define SYS_TTBR1_EL12                  sys_reg(3, 5, 2, 0, 1)
 466 #define SYS_TCR_EL12                    sys_reg(3, 5, 2, 0, 2)
 467 #define SYS_SPSR_EL12                   sys_reg(3, 5, 4, 0, 0)
 468 #define SYS_ELR_EL12                    sys_reg(3, 5, 4, 0, 1)
 469 #define SYS_AFSR0_EL12                  sys_reg(3, 5, 5, 1, 0)
 470 #define SYS_AFSR1_EL12                  sys_reg(3, 5, 5, 1, 1)
 471 #define SYS_ESR_EL12                    sys_reg(3, 5, 5, 2, 0)
 472 #define SYS_FAR_EL12                    sys_reg(3, 5, 6, 0, 0)
 473 #define SYS_MAIR_EL12                   sys_reg(3, 5, 10, 2, 0)
 474 #define SYS_AMAIR_EL12                  sys_reg(3, 5, 10, 3, 0)
 475 #define SYS_VBAR_EL12                   sys_reg(3, 5, 12, 0, 0)
 476 #define SYS_CONTEXTIDR_EL12             sys_reg(3, 5, 13, 0, 1)
 477 #define SYS_CNTKCTL_EL12                sys_reg(3, 5, 14, 1, 0)
 478 #define SYS_CNTP_TVAL_EL02              sys_reg(3, 5, 14, 2, 0)
 479 #define SYS_CNTP_CTL_EL02               sys_reg(3, 5, 14, 2, 1)
 480 #define SYS_CNTP_CVAL_EL02              sys_reg(3, 5, 14, 2, 2)
 481 #define SYS_CNTV_TVAL_EL02              sys_reg(3, 5, 14, 3, 0)
 482 #define SYS_CNTV_CTL_EL02               sys_reg(3, 5, 14, 3, 1)
 483 #define SYS_CNTV_CVAL_EL02              sys_reg(3, 5, 14, 3, 2)
 484 
 485 /* Common SCTLR_ELx flags. */
 486 #define SCTLR_ELx_DSSBS (BIT(44))
 487 #define SCTLR_ELx_ENIA  (BIT(31))
 488 #define SCTLR_ELx_ENIB  (BIT(30))
 489 #define SCTLR_ELx_ENDA  (BIT(27))
 490 #define SCTLR_ELx_EE    (BIT(25))
 491 #define SCTLR_ELx_IESB  (BIT(21))
 492 #define SCTLR_ELx_WXN   (BIT(19))
 493 #define SCTLR_ELx_ENDB  (BIT(13))
 494 #define SCTLR_ELx_I     (BIT(12))
 495 #define SCTLR_ELx_SA    (BIT(3))
 496 #define SCTLR_ELx_C     (BIT(2))
 497 #define SCTLR_ELx_A     (BIT(1))
 498 #define SCTLR_ELx_M     (BIT(0))
 499 
 500 #define SCTLR_ELx_FLAGS (SCTLR_ELx_M  | SCTLR_ELx_A | SCTLR_ELx_C | \
 501                          SCTLR_ELx_SA | SCTLR_ELx_I | SCTLR_ELx_IESB)
 502 
 503 /* SCTLR_EL2 specific flags. */
 504 #define SCTLR_EL2_RES1  ((BIT(4))  | (BIT(5))  | (BIT(11)) | (BIT(16)) | \
 505                          (BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \
 506                          (BIT(29)))
 507 
 508 #ifdef CONFIG_CPU_BIG_ENDIAN
 509 #define ENDIAN_SET_EL2          SCTLR_ELx_EE
 510 #else
 511 #define ENDIAN_SET_EL2          0
 512 #endif
 513 
 514 /* SCTLR_EL1 specific flags. */
 515 #define SCTLR_EL1_UCI           (BIT(26))
 516 #define SCTLR_EL1_E0E           (BIT(24))
 517 #define SCTLR_EL1_SPAN          (BIT(23))
 518 #define SCTLR_EL1_NTWE          (BIT(18))
 519 #define SCTLR_EL1_NTWI          (BIT(16))
 520 #define SCTLR_EL1_UCT           (BIT(15))
 521 #define SCTLR_EL1_DZE           (BIT(14))
 522 #define SCTLR_EL1_UMA           (BIT(9))
 523 #define SCTLR_EL1_SED           (BIT(8))
 524 #define SCTLR_EL1_ITD           (BIT(7))
 525 #define SCTLR_EL1_CP15BEN       (BIT(5))
 526 #define SCTLR_EL1_SA0           (BIT(4))
 527 
 528 #define SCTLR_EL1_RES1  ((BIT(11)) | (BIT(20)) | (BIT(22)) | (BIT(28)) | \
 529                          (BIT(29)))
 530 
 531 #ifdef CONFIG_CPU_BIG_ENDIAN
 532 #define ENDIAN_SET_EL1          (SCTLR_EL1_E0E | SCTLR_ELx_EE)
 533 #else
 534 #define ENDIAN_SET_EL1          0
 535 #endif
 536 
 537 #define SCTLR_EL1_SET   (SCTLR_ELx_M    | SCTLR_ELx_C    | SCTLR_ELx_SA   |\
 538                          SCTLR_EL1_SA0  | SCTLR_EL1_SED  | SCTLR_ELx_I    |\
 539                          SCTLR_EL1_DZE  | SCTLR_EL1_UCT                   |\
 540                          SCTLR_EL1_NTWE | SCTLR_ELx_IESB | SCTLR_EL1_SPAN |\
 541                          ENDIAN_SET_EL1 | SCTLR_EL1_UCI  | SCTLR_EL1_RES1)
 542 
 543 /* id_aa64isar0 */
 544 #define ID_AA64ISAR0_TS_SHIFT           52
 545 #define ID_AA64ISAR0_FHM_SHIFT          48
 546 #define ID_AA64ISAR0_DP_SHIFT           44
 547 #define ID_AA64ISAR0_SM4_SHIFT          40
 548 #define ID_AA64ISAR0_SM3_SHIFT          36
 549 #define ID_AA64ISAR0_SHA3_SHIFT         32
 550 #define ID_AA64ISAR0_RDM_SHIFT          28
 551 #define ID_AA64ISAR0_ATOMICS_SHIFT      20
 552 #define ID_AA64ISAR0_CRC32_SHIFT        16
 553 #define ID_AA64ISAR0_SHA2_SHIFT         12
 554 #define ID_AA64ISAR0_SHA1_SHIFT         8
 555 #define ID_AA64ISAR0_AES_SHIFT          4
 556 
 557 /* id_aa64isar1 */
 558 #define ID_AA64ISAR1_SB_SHIFT           36
 559 #define ID_AA64ISAR1_FRINTTS_SHIFT      32
 560 #define ID_AA64ISAR1_GPI_SHIFT          28
 561 #define ID_AA64ISAR1_GPA_SHIFT          24
 562 #define ID_AA64ISAR1_LRCPC_SHIFT        20
 563 #define ID_AA64ISAR1_FCMA_SHIFT         16
 564 #define ID_AA64ISAR1_JSCVT_SHIFT        12
 565 #define ID_AA64ISAR1_API_SHIFT          8
 566 #define ID_AA64ISAR1_APA_SHIFT          4
 567 #define ID_AA64ISAR1_DPB_SHIFT          0
 568 
 569 #define ID_AA64ISAR1_APA_NI             0x0
 570 #define ID_AA64ISAR1_APA_ARCHITECTED    0x1
 571 #define ID_AA64ISAR1_API_NI             0x0
 572 #define ID_AA64ISAR1_API_IMP_DEF        0x1
 573 #define ID_AA64ISAR1_GPA_NI             0x0
 574 #define ID_AA64ISAR1_GPA_ARCHITECTED    0x1
 575 #define ID_AA64ISAR1_GPI_NI             0x0
 576 #define ID_AA64ISAR1_GPI_IMP_DEF        0x1
 577 
 578 /* id_aa64pfr0 */
 579 #define ID_AA64PFR0_CSV3_SHIFT          60
 580 #define ID_AA64PFR0_CSV2_SHIFT          56
 581 #define ID_AA64PFR0_DIT_SHIFT           48
 582 #define ID_AA64PFR0_SVE_SHIFT           32
 583 #define ID_AA64PFR0_RAS_SHIFT           28
 584 #define ID_AA64PFR0_GIC_SHIFT           24
 585 #define ID_AA64PFR0_ASIMD_SHIFT         20
 586 #define ID_AA64PFR0_FP_SHIFT            16
 587 #define ID_AA64PFR0_EL3_SHIFT           12
 588 #define ID_AA64PFR0_EL2_SHIFT           8
 589 #define ID_AA64PFR0_EL1_SHIFT           4
 590 #define ID_AA64PFR0_EL0_SHIFT           0
 591 
 592 #define ID_AA64PFR0_SVE                 0x1
 593 #define ID_AA64PFR0_RAS_V1              0x1
 594 #define ID_AA64PFR0_FP_NI               0xf
 595 #define ID_AA64PFR0_FP_SUPPORTED        0x0
 596 #define ID_AA64PFR0_ASIMD_NI            0xf
 597 #define ID_AA64PFR0_ASIMD_SUPPORTED     0x0
 598 #define ID_AA64PFR0_EL1_64BIT_ONLY      0x1
 599 #define ID_AA64PFR0_EL0_64BIT_ONLY      0x1
 600 #define ID_AA64PFR0_EL0_32BIT_64BIT     0x2
 601 
 602 /* id_aa64pfr1 */
 603 #define ID_AA64PFR1_SSBS_SHIFT          4
 604 
 605 #define ID_AA64PFR1_SSBS_PSTATE_NI      0
 606 #define ID_AA64PFR1_SSBS_PSTATE_ONLY    1
 607 #define ID_AA64PFR1_SSBS_PSTATE_INSNS   2
 608 
 609 /* id_aa64zfr0 */
 610 #define ID_AA64ZFR0_SM4_SHIFT           40
 611 #define ID_AA64ZFR0_SHA3_SHIFT          32
 612 #define ID_AA64ZFR0_BITPERM_SHIFT       16
 613 #define ID_AA64ZFR0_AES_SHIFT           4
 614 #define ID_AA64ZFR0_SVEVER_SHIFT        0
 615 
 616 #define ID_AA64ZFR0_SM4                 0x1
 617 #define ID_AA64ZFR0_SHA3                0x1
 618 #define ID_AA64ZFR0_BITPERM             0x1
 619 #define ID_AA64ZFR0_AES                 0x1
 620 #define ID_AA64ZFR0_AES_PMULL           0x2
 621 #define ID_AA64ZFR0_SVEVER_SVE2         0x1
 622 
 623 /* id_aa64mmfr0 */
 624 #define ID_AA64MMFR0_TGRAN4_SHIFT       28
 625 #define ID_AA64MMFR0_TGRAN64_SHIFT      24
 626 #define ID_AA64MMFR0_TGRAN16_SHIFT      20
 627 #define ID_AA64MMFR0_BIGENDEL0_SHIFT    16
 628 #define ID_AA64MMFR0_SNSMEM_SHIFT       12
 629 #define ID_AA64MMFR0_BIGENDEL_SHIFT     8
 630 #define ID_AA64MMFR0_ASID_SHIFT         4
 631 #define ID_AA64MMFR0_PARANGE_SHIFT      0
 632 
 633 #define ID_AA64MMFR0_TGRAN4_NI          0xf
 634 #define ID_AA64MMFR0_TGRAN4_SUPPORTED   0x0
 635 #define ID_AA64MMFR0_TGRAN64_NI         0xf
 636 #define ID_AA64MMFR0_TGRAN64_SUPPORTED  0x0
 637 #define ID_AA64MMFR0_TGRAN16_NI         0x0
 638 #define ID_AA64MMFR0_TGRAN16_SUPPORTED  0x1
 639 #define ID_AA64MMFR0_PARANGE_48         0x5
 640 #define ID_AA64MMFR0_PARANGE_52         0x6
 641 
 642 #ifdef CONFIG_ARM64_PA_BITS_52
 643 #define ID_AA64MMFR0_PARANGE_MAX        ID_AA64MMFR0_PARANGE_52
 644 #else
 645 #define ID_AA64MMFR0_PARANGE_MAX        ID_AA64MMFR0_PARANGE_48
 646 #endif
 647 
 648 /* id_aa64mmfr1 */
 649 #define ID_AA64MMFR1_PAN_SHIFT          20
 650 #define ID_AA64MMFR1_LOR_SHIFT          16
 651 #define ID_AA64MMFR1_HPD_SHIFT          12
 652 #define ID_AA64MMFR1_VHE_SHIFT          8
 653 #define ID_AA64MMFR1_VMIDBITS_SHIFT     4
 654 #define ID_AA64MMFR1_HADBS_SHIFT        0
 655 
 656 #define ID_AA64MMFR1_VMIDBITS_8         0
 657 #define ID_AA64MMFR1_VMIDBITS_16        2
 658 
 659 /* id_aa64mmfr2 */
 660 #define ID_AA64MMFR2_FWB_SHIFT          40
 661 #define ID_AA64MMFR2_AT_SHIFT           32
 662 #define ID_AA64MMFR2_LVA_SHIFT          16
 663 #define ID_AA64MMFR2_IESB_SHIFT         12
 664 #define ID_AA64MMFR2_LSM_SHIFT          8
 665 #define ID_AA64MMFR2_UAO_SHIFT          4
 666 #define ID_AA64MMFR2_CNP_SHIFT          0
 667 
 668 /* id_aa64dfr0 */
 669 #define ID_AA64DFR0_PMSVER_SHIFT        32
 670 #define ID_AA64DFR0_CTX_CMPS_SHIFT      28
 671 #define ID_AA64DFR0_WRPS_SHIFT          20
 672 #define ID_AA64DFR0_BRPS_SHIFT          12
 673 #define ID_AA64DFR0_PMUVER_SHIFT        8
 674 #define ID_AA64DFR0_TRACEVER_SHIFT      4
 675 #define ID_AA64DFR0_DEBUGVER_SHIFT      0
 676 
 677 #define ID_ISAR5_RDM_SHIFT              24
 678 #define ID_ISAR5_CRC32_SHIFT            16
 679 #define ID_ISAR5_SHA2_SHIFT             12
 680 #define ID_ISAR5_SHA1_SHIFT             8
 681 #define ID_ISAR5_AES_SHIFT              4
 682 #define ID_ISAR5_SEVL_SHIFT             0
 683 
 684 #define MVFR0_FPROUND_SHIFT             28
 685 #define MVFR0_FPSHVEC_SHIFT             24
 686 #define MVFR0_FPSQRT_SHIFT              20
 687 #define MVFR0_FPDIVIDE_SHIFT            16
 688 #define MVFR0_FPTRAP_SHIFT              12
 689 #define MVFR0_FPDP_SHIFT                8
 690 #define MVFR0_FPSP_SHIFT                4
 691 #define MVFR0_SIMD_SHIFT                0
 692 
 693 #define MVFR1_SIMDFMAC_SHIFT            28
 694 #define MVFR1_FPHP_SHIFT                24
 695 #define MVFR1_SIMDHP_SHIFT              20
 696 #define MVFR1_SIMDSP_SHIFT              16
 697 #define MVFR1_SIMDINT_SHIFT             12
 698 #define MVFR1_SIMDLS_SHIFT              8
 699 #define MVFR1_FPDNAN_SHIFT              4
 700 #define MVFR1_FPFTZ_SHIFT               0
 701 
 702 
 703 #define ID_AA64MMFR0_TGRAN4_SHIFT       28
 704 #define ID_AA64MMFR0_TGRAN64_SHIFT      24
 705 #define ID_AA64MMFR0_TGRAN16_SHIFT      20
 706 
 707 #define ID_AA64MMFR0_TGRAN4_NI          0xf
 708 #define ID_AA64MMFR0_TGRAN4_SUPPORTED   0x0
 709 #define ID_AA64MMFR0_TGRAN64_NI         0xf
 710 #define ID_AA64MMFR0_TGRAN64_SUPPORTED  0x0
 711 #define ID_AA64MMFR0_TGRAN16_NI         0x0
 712 #define ID_AA64MMFR0_TGRAN16_SUPPORTED  0x1
 713 
 714 #if defined(CONFIG_ARM64_4K_PAGES)
 715 #define ID_AA64MMFR0_TGRAN_SHIFT        ID_AA64MMFR0_TGRAN4_SHIFT
 716 #define ID_AA64MMFR0_TGRAN_SUPPORTED    ID_AA64MMFR0_TGRAN4_SUPPORTED
 717 #elif defined(CONFIG_ARM64_16K_PAGES)
 718 #define ID_AA64MMFR0_TGRAN_SHIFT        ID_AA64MMFR0_TGRAN16_SHIFT
 719 #define ID_AA64MMFR0_TGRAN_SUPPORTED    ID_AA64MMFR0_TGRAN16_SUPPORTED
 720 #elif defined(CONFIG_ARM64_64K_PAGES)
 721 #define ID_AA64MMFR0_TGRAN_SHIFT        ID_AA64MMFR0_TGRAN64_SHIFT
 722 #define ID_AA64MMFR0_TGRAN_SUPPORTED    ID_AA64MMFR0_TGRAN64_SUPPORTED
 723 #endif
 724 
 725 
 726 /*
 727  * The ZCR_ELx_LEN_* definitions intentionally include bits [8:4] which
 728  * are reserved by the SVE architecture for future expansion of the LEN
 729  * field, with compatible semantics.
 730  */
 731 #define ZCR_ELx_LEN_SHIFT       0
 732 #define ZCR_ELx_LEN_SIZE        9
 733 #define ZCR_ELx_LEN_MASK        0x1ff
 734 
 735 #define CPACR_EL1_ZEN_EL1EN     (BIT(16)) /* enable EL1 access */
 736 #define CPACR_EL1_ZEN_EL0EN     (BIT(17)) /* enable EL0 access, if EL1EN set */
 737 #define CPACR_EL1_ZEN           (CPACR_EL1_ZEN_EL1EN | CPACR_EL1_ZEN_EL0EN)
 738 
 739 
 740 /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */
 741 #define SYS_MPIDR_SAFE_VAL      (BIT(31))
 742 
 743 #ifdef __ASSEMBLY__
 744 
 745         .irp    num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30
 746         .equ    .L__reg_num_x\num, \num
 747         .endr
 748         .equ    .L__reg_num_xzr, 31
 749 
 750         .macro  mrs_s, rt, sreg
 751          __emit_inst(0xd5200000|(\sreg)|(.L__reg_num_\rt))
 752         .endm
 753 
 754         .macro  msr_s, sreg, rt
 755         __emit_inst(0xd5000000|(\sreg)|(.L__reg_num_\rt))
 756         .endm
 757 
 758 #else
 759 
 760 #include <linux/build_bug.h>
 761 #include <linux/types.h>
 762 
 763 #define __DEFINE_MRS_MSR_S_REGNUM                               \
 764 "       .irp    num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30\n" \
 765 "       .equ    .L__reg_num_x\\num, \\num\n"                    \
 766 "       .endr\n"                                                \
 767 "       .equ    .L__reg_num_xzr, 31\n"
 768 
 769 #define DEFINE_MRS_S                                            \
 770         __DEFINE_MRS_MSR_S_REGNUM                               \
 771 "       .macro  mrs_s, rt, sreg\n"                              \
 772         __emit_inst(0xd5200000|(\\sreg)|(.L__reg_num_\\rt))     \
 773 "       .endm\n"
 774 
 775 #define DEFINE_MSR_S                                            \
 776         __DEFINE_MRS_MSR_S_REGNUM                               \
 777 "       .macro  msr_s, sreg, rt\n"                              \
 778         __emit_inst(0xd5000000|(\\sreg)|(.L__reg_num_\\rt))     \
 779 "       .endm\n"
 780 
 781 #define UNDEFINE_MRS_S                                          \
 782 "       .purgem mrs_s\n"
 783 
 784 #define UNDEFINE_MSR_S                                          \
 785 "       .purgem msr_s\n"
 786 
 787 #define __mrs_s(v, r)                                           \
 788         DEFINE_MRS_S                                            \
 789 "       mrs_s " v ", " __stringify(r) "\n"                      \
 790         UNDEFINE_MRS_S
 791 
 792 #define __msr_s(r, v)                                           \
 793         DEFINE_MSR_S                                            \
 794 "       msr_s " __stringify(r) ", " v "\n"                      \
 795         UNDEFINE_MSR_S
 796 
 797 /*
 798  * Unlike read_cpuid, calls to read_sysreg are never expected to be
 799  * optimized away or replaced with synthetic values.
 800  */
 801 #define read_sysreg(r) ({                                       \
 802         u64 __val;                                              \
 803         asm volatile("mrs %0, " __stringify(r) : "=r" (__val)); \
 804         __val;                                                  \
 805 })
 806 
 807 /*
 808  * The "Z" constraint normally means a zero immediate, but when combined with
 809  * the "%x0" template means XZR.
 810  */
 811 #define write_sysreg(v, r) do {                                 \
 812         u64 __val = (u64)(v);                                   \
 813         asm volatile("msr " __stringify(r) ", %x0"              \
 814                      : : "rZ" (__val));                         \
 815 } while (0)
 816 
 817 /*
 818  * For registers without architectural names, or simply unsupported by
 819  * GAS.
 820  */
 821 #define read_sysreg_s(r) ({                                             \
 822         u64 __val;                                                      \
 823         asm volatile(__mrs_s("%0", r) : "=r" (__val));                  \
 824         __val;                                                          \
 825 })
 826 
 827 #define write_sysreg_s(v, r) do {                                       \
 828         u64 __val = (u64)(v);                                           \
 829         asm volatile(__msr_s(r, "%x0") : : "rZ" (__val));               \
 830 } while (0)
 831 
 832 /*
 833  * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the
 834  * set mask are set. Other bits are left as-is.
 835  */
 836 #define sysreg_clear_set(sysreg, clear, set) do {                       \
 837         u64 __scs_val = read_sysreg(sysreg);                            \
 838         u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set);            \
 839         if (__scs_new != __scs_val)                                     \
 840                 write_sysreg(__scs_new, sysreg);                        \
 841 } while (0)
 842 
 843 #endif
 844 
 845 #endif  /* __ASM_SYSREG_H */

/* [<][>][^][v][top][bottom][index][help] */