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 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Macros for accessing system registers with older binutils.
  *
  * Copyright (C) 2014 ARM Ltd.
  * Author: Catalin Marinas <catalin.marinas@arm.com>
  */
 
 #ifndef __ASM_SYSREG_H
 #define __ASM_SYSREG_H
 
 #include <linux/bits.h>
 #include <linux/stringify.h>
 #include <linux/kasan-tags.h>
 
 #include <asm/gpr-num.h>
 
 /*
  * ARMv8 ARM reserves the following encoding for system registers:
  * (Ref: ARMv8 ARM, Section: "System instruction class encoding overview",
  *  C5.2, version:ARM DDI 0487A.f)
  *  [20-19] : Op0
  *  [18-16] : Op1
  *  [15-12] : CRn
  *  [11-8]  : CRm
  *  [7-5]   : Op2
  */
 #define Op0_shift   19
 #define Op0_mask    0x3
 #define Op1_shift   16
 #define Op1_mask    0x7
 #define CRn_shift   12
 #define CRn_mask    0xf
 #define CRm_shift   8
 #define CRm_mask    0xf
 #define Op2_shift   5
 #define Op2_mask    0x7
 
 #define sys_reg(op0, op1, crn, crm, op2) \
     (((op0) << Op0_shift) | ((op1) << Op1_shift) | \
      ((crn) << CRn_shift) | ((crm) << CRm_shift) | \
      ((op2) << Op2_shift))
 
 #define sys_insn    sys_reg
 
 #define sys_reg_Op0(id) (((id) >> Op0_shift) & Op0_mask)
 #define sys_reg_Op1(id) (((id) >> Op1_shift) & Op1_mask)
 #define sys_reg_CRn(id) (((id) >> CRn_shift) & CRn_mask)
 #define sys_reg_CRm(id) (((id) >> CRm_shift) & CRm_mask)
 #define sys_reg_Op2(id) (((id) >> Op2_shift) & Op2_mask)
 
 #ifndef CONFIG_BROKEN_GAS_INST
 
 #ifdef __ASSEMBLY__
 // The space separator is omitted so that __emit_inst(x) can be parsed as
 // either an assembler directive or an assembler macro argument.
 #define __emit_inst(x)          .inst(x)
 #else
 #define __emit_inst(x)          ".inst " __stringify((x)) "\n\t"
 #endif
 
 #else  /* CONFIG_BROKEN_GAS_INST */
 
 #ifndef CONFIG_CPU_BIG_ENDIAN
 #define __INSTR_BSWAP(x)        (x)
 #else  /* CONFIG_CPU_BIG_ENDIAN */
 #define __INSTR_BSWAP(x)        ((((x) << 24) & 0xff000000) | \
                      (((x) <<  8) & 0x00ff0000) | \
                      (((x) >>  8) & 0x0000ff00) | \
                      (((x) >> 24) & 0x000000ff))
 #endif  /* CONFIG_CPU_BIG_ENDIAN */
 
 #ifdef __ASSEMBLY__
 #define __emit_inst(x)          .long __INSTR_BSWAP(x)
 #else  /* __ASSEMBLY__ */
 #define __emit_inst(x)          ".long " __stringify(__INSTR_BSWAP(x)) "\n\t"
 #endif  /* __ASSEMBLY__ */
 
 #endif  /* CONFIG_BROKEN_GAS_INST */
 
 /*
  * Instructions for modifying PSTATE fields.
  * As per Arm ARM for v8-A, Section "C.5.1.3 op0 == 0b00, architectural hints,
  * barriers and CLREX, and PSTATE access", ARM DDI 0487 C.a, system instructions
  * for accessing PSTATE fields have the following encoding:
  *  Op0 = 0, CRn = 4
  *  Op1, Op2 encodes the PSTATE field modified and defines the constraints.
  *  CRm = Imm4 for the instruction.
  *  Rt = 0x1f
  */
 #define pstate_field(op1, op2)      ((op1) << Op1_shift | (op2) << Op2_shift)
 #define PSTATE_Imm_shift        CRm_shift
 
 #define PSTATE_PAN          pstate_field(0, 4)
 #define PSTATE_UAO          pstate_field(0, 3)
 #define PSTATE_SSBS         pstate_field(3, 1)
 #define PSTATE_TCO          pstate_field(3, 4)
 
 #define SET_PSTATE_PAN(x)       __emit_inst(0xd500401f | PSTATE_PAN | ((!!x) << PSTATE_Imm_shift))
 #define SET_PSTATE_UAO(x)       __emit_inst(0xd500401f | PSTATE_UAO | ((!!x) << PSTATE_Imm_shift))
 #define SET_PSTATE_SSBS(x)      __emit_inst(0xd500401f | PSTATE_SSBS | ((!!x) << PSTATE_Imm_shift))
 #define SET_PSTATE_TCO(x)       __emit_inst(0xd500401f | PSTATE_TCO | ((!!x) << PSTATE_Imm_shift))
 
 #define set_pstate_pan(x)       asm volatile(SET_PSTATE_PAN(x))
 #define set_pstate_uao(x)       asm volatile(SET_PSTATE_UAO(x))
 #define set_pstate_ssbs(x)      asm volatile(SET_PSTATE_SSBS(x))
 
 #define __SYS_BARRIER_INSN(CRm, op2, Rt) \
     __emit_inst(0xd5000000 | sys_insn(0, 3, 3, (CRm), (op2)) | ((Rt) & 0x1f))
 
 #define SB_BARRIER_INSN         __SYS_BARRIER_INSN(0, 7, 31)
 
 #define SYS_DC_ISW          sys_insn(1, 0, 7, 6, 2)
 #define SYS_DC_CSW          sys_insn(1, 0, 7, 10, 2)
 #define SYS_DC_CISW         sys_insn(1, 0, 7, 14, 2)
 
 /*
  * Automatically generated definitions for system registers, the
  * manual encodings below are in the process of being converted to
  * come from here. The header relies on the definition of sys_reg()
  * earlier in this file.
  */
 #include "asm/sysreg-defs.h"
 
 /*
  * System registers, organised loosely by encoding but grouped together
  * where the architected name contains an index. e.g. ID_MMFR<n>_EL1.
  */
 #define SYS_SVCR_SMSTOP_SM_EL0      sys_reg(0, 3, 4, 2, 3)
 #define SYS_SVCR_SMSTART_SM_EL0     sys_reg(0, 3, 4, 3, 3)
 #define SYS_SVCR_SMSTOP_SMZA_EL0    sys_reg(0, 3, 4, 6, 3)
 
 #define SYS_OSDTRRX_EL1         sys_reg(2, 0, 0, 0, 2)
 #define SYS_MDCCINT_EL1         sys_reg(2, 0, 0, 2, 0)
 #define SYS_MDSCR_EL1           sys_reg(2, 0, 0, 2, 2)
 #define SYS_OSDTRTX_EL1         sys_reg(2, 0, 0, 3, 2)
 #define SYS_OSECCR_EL1          sys_reg(2, 0, 0, 6, 2)
 #define SYS_DBGBVRn_EL1(n)      sys_reg(2, 0, 0, n, 4)
 #define SYS_DBGBCRn_EL1(n)      sys_reg(2, 0, 0, n, 5)
 #define SYS_DBGWVRn_EL1(n)      sys_reg(2, 0, 0, n, 6)
 #define SYS_DBGWCRn_EL1(n)      sys_reg(2, 0, 0, n, 7)
 #define SYS_MDRAR_EL1           sys_reg(2, 0, 1, 0, 0)
 
 #define SYS_OSLAR_EL1           sys_reg(2, 0, 1, 0, 4)
 #define SYS_OSLAR_OSLK          BIT(0)
 
 #define SYS_OSLSR_EL1           sys_reg(2, 0, 1, 1, 4)
 #define SYS_OSLSR_OSLM_MASK     (BIT(3) | BIT(0))
 #define SYS_OSLSR_OSLM_NI       0
 #define SYS_OSLSR_OSLM_IMPLEMENTED  BIT(3)
 #define SYS_OSLSR_OSLK          BIT(1)
 
 #define SYS_OSDLR_EL1           sys_reg(2, 0, 1, 3, 4)
 #define SYS_DBGPRCR_EL1         sys_reg(2, 0, 1, 4, 4)
 #define SYS_DBGCLAIMSET_EL1     sys_reg(2, 0, 7, 8, 6)
 #define SYS_DBGCLAIMCLR_EL1     sys_reg(2, 0, 7, 9, 6)
 #define SYS_DBGAUTHSTATUS_EL1       sys_reg(2, 0, 7, 14, 6)
 #define SYS_MDCCSR_EL0          sys_reg(2, 3, 0, 1, 0)
 #define SYS_DBGDTR_EL0          sys_reg(2, 3, 0, 4, 0)
 #define SYS_DBGDTRRX_EL0        sys_reg(2, 3, 0, 5, 0)
 #define SYS_DBGDTRTX_EL0        sys_reg(2, 3, 0, 5, 0)
 #define SYS_DBGVCR32_EL2        sys_reg(2, 4, 0, 7, 0)
 
 #define SYS_MIDR_EL1            sys_reg(3, 0, 0, 0, 0)
 #define SYS_MPIDR_EL1           sys_reg(3, 0, 0, 0, 5)
 #define SYS_REVIDR_EL1          sys_reg(3, 0, 0, 0, 6)
 
 #define SYS_ID_PFR0_EL1         sys_reg(3, 0, 0, 1, 0)
 #define SYS_ID_PFR1_EL1         sys_reg(3, 0, 0, 1, 1)
 #define SYS_ID_PFR2_EL1         sys_reg(3, 0, 0, 3, 4)
 #define SYS_ID_DFR0_EL1         sys_reg(3, 0, 0, 1, 2)
 #define SYS_ID_DFR1_EL1         sys_reg(3, 0, 0, 3, 5)
 #define SYS_ID_AFR0_EL1         sys_reg(3, 0, 0, 1, 3)
 #define SYS_ID_MMFR0_EL1        sys_reg(3, 0, 0, 1, 4)
 #define SYS_ID_MMFR1_EL1        sys_reg(3, 0, 0, 1, 5)
 #define SYS_ID_MMFR2_EL1        sys_reg(3, 0, 0, 1, 6)
 #define SYS_ID_MMFR3_EL1        sys_reg(3, 0, 0, 1, 7)
 #define SYS_ID_MMFR4_EL1        sys_reg(3, 0, 0, 2, 6)
 #define SYS_ID_MMFR5_EL1        sys_reg(3, 0, 0, 3, 6)
 
 #define SYS_ID_ISAR0_EL1        sys_reg(3, 0, 0, 2, 0)
 #define SYS_ID_ISAR1_EL1        sys_reg(3, 0, 0, 2, 1)
 #define SYS_ID_ISAR2_EL1        sys_reg(3, 0, 0, 2, 2)
 #define SYS_ID_ISAR3_EL1        sys_reg(3, 0, 0, 2, 3)
 #define SYS_ID_ISAR4_EL1        sys_reg(3, 0, 0, 2, 4)
 #define SYS_ID_ISAR5_EL1        sys_reg(3, 0, 0, 2, 5)
 #define SYS_ID_ISAR6_EL1        sys_reg(3, 0, 0, 2, 7)
 
 #define SYS_MVFR0_EL1           sys_reg(3, 0, 0, 3, 0)
 #define SYS_MVFR1_EL1           sys_reg(3, 0, 0, 3, 1)
 #define SYS_MVFR2_EL1           sys_reg(3, 0, 0, 3, 2)
 
 #define SYS_ID_AA64PFR0_EL1     sys_reg(3, 0, 0, 4, 0)
 #define SYS_ID_AA64PFR1_EL1     sys_reg(3, 0, 0, 4, 1)
 
 #define SYS_ID_AA64DFR0_EL1     sys_reg(3, 0, 0, 5, 0)
 #define SYS_ID_AA64DFR1_EL1     sys_reg(3, 0, 0, 5, 1)
 
 #define SYS_ID_AA64AFR0_EL1     sys_reg(3, 0, 0, 5, 4)
 #define SYS_ID_AA64AFR1_EL1     sys_reg(3, 0, 0, 5, 5)
 
 #define SYS_ID_AA64MMFR0_EL1        sys_reg(3, 0, 0, 7, 0)
 #define SYS_ID_AA64MMFR1_EL1        sys_reg(3, 0, 0, 7, 1)
 #define SYS_ID_AA64MMFR2_EL1        sys_reg(3, 0, 0, 7, 2)
 
 #define SYS_ACTLR_EL1           sys_reg(3, 0, 1, 0, 1)
 #define SYS_RGSR_EL1            sys_reg(3, 0, 1, 0, 5)
 #define SYS_GCR_EL1         sys_reg(3, 0, 1, 0, 6)
 
 #define SYS_TRFCR_EL1           sys_reg(3, 0, 1, 2, 1)
 
 #define SYS_TCR_EL1         sys_reg(3, 0, 2, 0, 2)
 
 #define SYS_APIAKEYLO_EL1       sys_reg(3, 0, 2, 1, 0)
 #define SYS_APIAKEYHI_EL1       sys_reg(3, 0, 2, 1, 1)
 #define SYS_APIBKEYLO_EL1       sys_reg(3, 0, 2, 1, 2)
 #define SYS_APIBKEYHI_EL1       sys_reg(3, 0, 2, 1, 3)
 
 #define SYS_APDAKEYLO_EL1       sys_reg(3, 0, 2, 2, 0)
 #define SYS_APDAKEYHI_EL1       sys_reg(3, 0, 2, 2, 1)
 #define SYS_APDBKEYLO_EL1       sys_reg(3, 0, 2, 2, 2)
 #define SYS_APDBKEYHI_EL1       sys_reg(3, 0, 2, 2, 3)
 
 #define SYS_APGAKEYLO_EL1       sys_reg(3, 0, 2, 3, 0)
 #define SYS_APGAKEYHI_EL1       sys_reg(3, 0, 2, 3, 1)
 
 #define SYS_SPSR_EL1            sys_reg(3, 0, 4, 0, 0)
 #define SYS_ELR_EL1         sys_reg(3, 0, 4, 0, 1)
 
 #define SYS_ICC_PMR_EL1         sys_reg(3, 0, 4, 6, 0)
 
 #define SYS_AFSR0_EL1           sys_reg(3, 0, 5, 1, 0)
 #define SYS_AFSR1_EL1           sys_reg(3, 0, 5, 1, 1)
 #define SYS_ESR_EL1         sys_reg(3, 0, 5, 2, 0)
 
 #define SYS_ERRIDR_EL1          sys_reg(3, 0, 5, 3, 0)
 #define SYS_ERRSELR_EL1         sys_reg(3, 0, 5, 3, 1)
 #define SYS_ERXFR_EL1           sys_reg(3, 0, 5, 4, 0)
 #define SYS_ERXCTLR_EL1         sys_reg(3, 0, 5, 4, 1)
 #define SYS_ERXSTATUS_EL1       sys_reg(3, 0, 5, 4, 2)
 #define SYS_ERXADDR_EL1         sys_reg(3, 0, 5, 4, 3)
 #define SYS_ERXMISC0_EL1        sys_reg(3, 0, 5, 5, 0)
 #define SYS_ERXMISC1_EL1        sys_reg(3, 0, 5, 5, 1)
 #define SYS_TFSR_EL1            sys_reg(3, 0, 5, 6, 0)
 #define SYS_TFSRE0_EL1          sys_reg(3, 0, 5, 6, 1)
 
 #define SYS_PAR_EL1         sys_reg(3, 0, 7, 4, 0)
 
 #define SYS_PAR_EL1_F           BIT(0)
 #define SYS_PAR_EL1_FST         GENMASK(6, 1)
 
 /*** Statistical Profiling Extension ***/
 /* ID registers */
 #define SYS_PMSIDR_EL1          sys_reg(3, 0, 9, 9, 7)
 #define SYS_PMSIDR_EL1_FE_SHIFT     0
 #define SYS_PMSIDR_EL1_FT_SHIFT     1
 #define SYS_PMSIDR_EL1_FL_SHIFT     2
 #define SYS_PMSIDR_EL1_ARCHINST_SHIFT   3
 #define SYS_PMSIDR_EL1_LDS_SHIFT    4
 #define SYS_PMSIDR_EL1_ERND_SHIFT   5
 #define SYS_PMSIDR_EL1_INTERVAL_SHIFT   8
 #define SYS_PMSIDR_EL1_INTERVAL_MASK    0xfUL
 #define SYS_PMSIDR_EL1_MAXSIZE_SHIFT    12
 #define SYS_PMSIDR_EL1_MAXSIZE_MASK 0xfUL
 #define SYS_PMSIDR_EL1_COUNTSIZE_SHIFT  16
 #define SYS_PMSIDR_EL1_COUNTSIZE_MASK   0xfUL
 
 #define SYS_PMBIDR_EL1          sys_reg(3, 0, 9, 10, 7)
 #define SYS_PMBIDR_EL1_ALIGN_SHIFT  0
 #define SYS_PMBIDR_EL1_ALIGN_MASK   0xfU
 #define SYS_PMBIDR_EL1_P_SHIFT      4
 #define SYS_PMBIDR_EL1_F_SHIFT      5
 
 /* Sampling controls */
 #define SYS_PMSCR_EL1           sys_reg(3, 0, 9, 9, 0)
 #define SYS_PMSCR_EL1_E0SPE_SHIFT   0
 #define SYS_PMSCR_EL1_E1SPE_SHIFT   1
 #define SYS_PMSCR_EL1_CX_SHIFT      3
 #define SYS_PMSCR_EL1_PA_SHIFT      4
 #define SYS_PMSCR_EL1_TS_SHIFT      5
 #define SYS_PMSCR_EL1_PCT_SHIFT     6
 
 #define SYS_PMSCR_EL2           sys_reg(3, 4, 9, 9, 0)
 #define SYS_PMSCR_EL2_E0HSPE_SHIFT  0
 #define SYS_PMSCR_EL2_E2SPE_SHIFT   1
 #define SYS_PMSCR_EL2_CX_SHIFT      3
 #define SYS_PMSCR_EL2_PA_SHIFT      4
 #define SYS_PMSCR_EL2_TS_SHIFT      5
 #define SYS_PMSCR_EL2_PCT_SHIFT     6
 
 #define SYS_PMSICR_EL1          sys_reg(3, 0, 9, 9, 2)
 
 #define SYS_PMSIRR_EL1          sys_reg(3, 0, 9, 9, 3)
 #define SYS_PMSIRR_EL1_RND_SHIFT    0
 #define SYS_PMSIRR_EL1_INTERVAL_SHIFT   8
 #define SYS_PMSIRR_EL1_INTERVAL_MASK    0xffffffUL
 
 /* Filtering controls */
 #define SYS_PMSNEVFR_EL1        sys_reg(3, 0, 9, 9, 1)
 
 #define SYS_PMSFCR_EL1          sys_reg(3, 0, 9, 9, 4)
 #define SYS_PMSFCR_EL1_FE_SHIFT     0
 #define SYS_PMSFCR_EL1_FT_SHIFT     1
 #define SYS_PMSFCR_EL1_FL_SHIFT     2
 #define SYS_PMSFCR_EL1_B_SHIFT      16
 #define SYS_PMSFCR_EL1_LD_SHIFT     17
 #define SYS_PMSFCR_EL1_ST_SHIFT     18
 
 #define SYS_PMSEVFR_EL1         sys_reg(3, 0, 9, 9, 5)
 #define SYS_PMSEVFR_EL1_RES0_8_2    \
     (GENMASK_ULL(47, 32) | GENMASK_ULL(23, 16) | GENMASK_ULL(11, 8) |\
      BIT_ULL(6) | BIT_ULL(4) | BIT_ULL(2) | BIT_ULL(0))
 #define SYS_PMSEVFR_EL1_RES0_8_3    \
     (SYS_PMSEVFR_EL1_RES0_8_2 & ~(BIT_ULL(18) | BIT_ULL(17) | BIT_ULL(11)))
 
 #define SYS_PMSLATFR_EL1        sys_reg(3, 0, 9, 9, 6)
 #define SYS_PMSLATFR_EL1_MINLAT_SHIFT   0
 
 /* Buffer controls */
 #define SYS_PMBLIMITR_EL1       sys_reg(3, 0, 9, 10, 0)
 #define SYS_PMBLIMITR_EL1_E_SHIFT   0
 #define SYS_PMBLIMITR_EL1_FM_SHIFT  1
 #define SYS_PMBLIMITR_EL1_FM_MASK   0x3UL
 #define SYS_PMBLIMITR_EL1_FM_STOP_IRQ   (0 << SYS_PMBLIMITR_EL1_FM_SHIFT)
 
 #define SYS_PMBPTR_EL1          sys_reg(3, 0, 9, 10, 1)
 
 /* Buffer error reporting */
 #define SYS_PMBSR_EL1           sys_reg(3, 0, 9, 10, 3)
 #define SYS_PMBSR_EL1_COLL_SHIFT    16
 #define SYS_PMBSR_EL1_S_SHIFT       17
 #define SYS_PMBSR_EL1_EA_SHIFT      18
 #define SYS_PMBSR_EL1_DL_SHIFT      19
 #define SYS_PMBSR_EL1_EC_SHIFT      26
 #define SYS_PMBSR_EL1_EC_MASK       0x3fUL
 
 #define SYS_PMBSR_EL1_EC_BUF        (0x0UL << SYS_PMBSR_EL1_EC_SHIFT)
 #define SYS_PMBSR_EL1_EC_FAULT_S1   (0x24UL << SYS_PMBSR_EL1_EC_SHIFT)
 #define SYS_PMBSR_EL1_EC_FAULT_S2   (0x25UL << SYS_PMBSR_EL1_EC_SHIFT)
 
 #define SYS_PMBSR_EL1_FAULT_FSC_SHIFT   0
 #define SYS_PMBSR_EL1_FAULT_FSC_MASK    0x3fUL
 
 #define SYS_PMBSR_EL1_BUF_BSC_SHIFT 0
 #define SYS_PMBSR_EL1_BUF_BSC_MASK  0x3fUL
 
 #define SYS_PMBSR_EL1_BUF_BSC_FULL  (0x1UL << SYS_PMBSR_EL1_BUF_BSC_SHIFT)
 
 /*** End of Statistical Profiling Extension ***/
 
 /*
  * TRBE Registers
  */
 #define SYS_TRBLIMITR_EL1       sys_reg(3, 0, 9, 11, 0)
 #define SYS_TRBPTR_EL1          sys_reg(3, 0, 9, 11, 1)
 #define SYS_TRBBASER_EL1        sys_reg(3, 0, 9, 11, 2)
 #define SYS_TRBSR_EL1           sys_reg(3, 0, 9, 11, 3)
 #define SYS_TRBMAR_EL1          sys_reg(3, 0, 9, 11, 4)
 #define SYS_TRBTRG_EL1          sys_reg(3, 0, 9, 11, 6)
 #define SYS_TRBIDR_EL1          sys_reg(3, 0, 9, 11, 7)
 
 #define TRBLIMITR_LIMIT_MASK        GENMASK_ULL(51, 0)
 #define TRBLIMITR_LIMIT_SHIFT       12
 #define TRBLIMITR_NVM           BIT(5)
 #define TRBLIMITR_TRIG_MODE_MASK    GENMASK(1, 0)
 #define TRBLIMITR_TRIG_MODE_SHIFT   3
 #define TRBLIMITR_FILL_MODE_MASK    GENMASK(1, 0)
 #define TRBLIMITR_FILL_MODE_SHIFT   1
 #define TRBLIMITR_ENABLE        BIT(0)
 #define TRBPTR_PTR_MASK         GENMASK_ULL(63, 0)
 #define TRBPTR_PTR_SHIFT        0
 #define TRBBASER_BASE_MASK      GENMASK_ULL(51, 0)
 #define TRBBASER_BASE_SHIFT     12
 #define TRBSR_EC_MASK           GENMASK(5, 0)
 #define TRBSR_EC_SHIFT          26
 #define TRBSR_IRQ           BIT(22)
 #define TRBSR_TRG           BIT(21)
 #define TRBSR_WRAP          BIT(20)
 #define TRBSR_ABORT         BIT(18)
 #define TRBSR_STOP          BIT(17)
 #define TRBSR_MSS_MASK          GENMASK(15, 0)
 #define TRBSR_MSS_SHIFT         0
 #define TRBSR_BSC_MASK          GENMASK(5, 0)
 #define TRBSR_BSC_SHIFT         0
 #define TRBSR_FSC_MASK          GENMASK(5, 0)
 #define TRBSR_FSC_SHIFT         0
 #define TRBMAR_SHARE_MASK       GENMASK(1, 0)
 #define TRBMAR_SHARE_SHIFT      8
 #define TRBMAR_OUTER_MASK       GENMASK(3, 0)
 #define TRBMAR_OUTER_SHIFT      4
 #define TRBMAR_INNER_MASK       GENMASK(3, 0)
 #define TRBMAR_INNER_SHIFT      0
 #define TRBTRG_TRG_MASK         GENMASK(31, 0)
 #define TRBTRG_TRG_SHIFT        0
 #define TRBIDR_FLAG         BIT(5)
 #define TRBIDR_PROG         BIT(4)
 #define TRBIDR_ALIGN_MASK       GENMASK(3, 0)
 #define TRBIDR_ALIGN_SHIFT      0
 
 #define SYS_PMINTENSET_EL1      sys_reg(3, 0, 9, 14, 1)
 #define SYS_PMINTENCLR_EL1      sys_reg(3, 0, 9, 14, 2)
 
 #define SYS_PMMIR_EL1           sys_reg(3, 0, 9, 14, 6)
 
 #define SYS_MAIR_EL1            sys_reg(3, 0, 10, 2, 0)
 #define SYS_AMAIR_EL1           sys_reg(3, 0, 10, 3, 0)
 
 #define SYS_VBAR_EL1            sys_reg(3, 0, 12, 0, 0)
 #define SYS_DISR_EL1            sys_reg(3, 0, 12, 1, 1)
 
 #define SYS_ICC_IAR0_EL1        sys_reg(3, 0, 12, 8, 0)
 #define SYS_ICC_EOIR0_EL1       sys_reg(3, 0, 12, 8, 1)
 #define SYS_ICC_HPPIR0_EL1      sys_reg(3, 0, 12, 8, 2)
 #define SYS_ICC_BPR0_EL1        sys_reg(3, 0, 12, 8, 3)
 #define SYS_ICC_AP0Rn_EL1(n)        sys_reg(3, 0, 12, 8, 4 | n)
 #define SYS_ICC_AP0R0_EL1       SYS_ICC_AP0Rn_EL1(0)
 #define SYS_ICC_AP0R1_EL1       SYS_ICC_AP0Rn_EL1(1)
 #define SYS_ICC_AP0R2_EL1       SYS_ICC_AP0Rn_EL1(2)
 #define SYS_ICC_AP0R3_EL1       SYS_ICC_AP0Rn_EL1(3)
 #define SYS_ICC_AP1Rn_EL1(n)        sys_reg(3, 0, 12, 9, n)
 #define SYS_ICC_AP1R0_EL1       SYS_ICC_AP1Rn_EL1(0)
 #define SYS_ICC_AP1R1_EL1       SYS_ICC_AP1Rn_EL1(1)
 #define SYS_ICC_AP1R2_EL1       SYS_ICC_AP1Rn_EL1(2)
 #define SYS_ICC_AP1R3_EL1       SYS_ICC_AP1Rn_EL1(3)
 #define SYS_ICC_DIR_EL1         sys_reg(3, 0, 12, 11, 1)
 #define SYS_ICC_RPR_EL1         sys_reg(3, 0, 12, 11, 3)
 #define SYS_ICC_SGI1R_EL1       sys_reg(3, 0, 12, 11, 5)
 #define SYS_ICC_ASGI1R_EL1      sys_reg(3, 0, 12, 11, 6)
 #define SYS_ICC_SGI0R_EL1       sys_reg(3, 0, 12, 11, 7)
 #define SYS_ICC_IAR1_EL1        sys_reg(3, 0, 12, 12, 0)
 #define SYS_ICC_EOIR1_EL1       sys_reg(3, 0, 12, 12, 1)
 #define SYS_ICC_HPPIR1_EL1      sys_reg(3, 0, 12, 12, 2)
 #define SYS_ICC_BPR1_EL1        sys_reg(3, 0, 12, 12, 3)
 #define SYS_ICC_CTLR_EL1        sys_reg(3, 0, 12, 12, 4)
 #define SYS_ICC_SRE_EL1         sys_reg(3, 0, 12, 12, 5)
 #define SYS_ICC_IGRPEN0_EL1     sys_reg(3, 0, 12, 12, 6)
 #define SYS_ICC_IGRPEN1_EL1     sys_reg(3, 0, 12, 12, 7)
 
 #define SYS_TPIDR_EL1           sys_reg(3, 0, 13, 0, 4)
 
 #define SYS_SCXTNUM_EL1         sys_reg(3, 0, 13, 0, 7)
 
 #define SYS_CNTKCTL_EL1         sys_reg(3, 0, 14, 1, 0)
 
 #define SYS_CCSIDR_EL1          sys_reg(3, 1, 0, 0, 0)
 #define SYS_AIDR_EL1            sys_reg(3, 1, 0, 0, 7)
 
 #define SMIDR_EL1_IMPLEMENTER_SHIFT 24
 #define SMIDR_EL1_SMPS_SHIFT    15
 #define SMIDR_EL1_AFFINITY_SHIFT    0
 
 #define SYS_RNDR_EL0            sys_reg(3, 3, 2, 4, 0)
 #define SYS_RNDRRS_EL0          sys_reg(3, 3, 2, 4, 1)
 
 #define SYS_PMCR_EL0            sys_reg(3, 3, 9, 12, 0)
 #define SYS_PMCNTENSET_EL0      sys_reg(3, 3, 9, 12, 1)
 #define SYS_PMCNTENCLR_EL0      sys_reg(3, 3, 9, 12, 2)
 #define SYS_PMOVSCLR_EL0        sys_reg(3, 3, 9, 12, 3)
 #define SYS_PMSWINC_EL0         sys_reg(3, 3, 9, 12, 4)
 #define SYS_PMSELR_EL0          sys_reg(3, 3, 9, 12, 5)
 #define SYS_PMCEID0_EL0         sys_reg(3, 3, 9, 12, 6)
 #define SYS_PMCEID1_EL0         sys_reg(3, 3, 9, 12, 7)
 #define SYS_PMCCNTR_EL0         sys_reg(3, 3, 9, 13, 0)
 #define SYS_PMXEVTYPER_EL0      sys_reg(3, 3, 9, 13, 1)
 #define SYS_PMXEVCNTR_EL0       sys_reg(3, 3, 9, 13, 2)
 #define SYS_PMUSERENR_EL0       sys_reg(3, 3, 9, 14, 0)
 #define SYS_PMOVSSET_EL0        sys_reg(3, 3, 9, 14, 3)
 
 #define SYS_TPIDR_EL0           sys_reg(3, 3, 13, 0, 2)
 #define SYS_TPIDRRO_EL0         sys_reg(3, 3, 13, 0, 3)
 #define SYS_TPIDR2_EL0          sys_reg(3, 3, 13, 0, 5)
 
 #define SYS_SCXTNUM_EL0         sys_reg(3, 3, 13, 0, 7)
 
 /* Definitions for system register interface to AMU for ARMv8.4 onwards */
 #define SYS_AM_EL0(crm, op2)        sys_reg(3, 3, 13, (crm), (op2))
 #define SYS_AMCR_EL0            SYS_AM_EL0(2, 0)
 #define SYS_AMCFGR_EL0          SYS_AM_EL0(2, 1)
 #define SYS_AMCGCR_EL0          SYS_AM_EL0(2, 2)
 #define SYS_AMUSERENR_EL0       SYS_AM_EL0(2, 3)
 #define SYS_AMCNTENCLR0_EL0     SYS_AM_EL0(2, 4)
 #define SYS_AMCNTENSET0_EL0     SYS_AM_EL0(2, 5)
 #define SYS_AMCNTENCLR1_EL0     SYS_AM_EL0(3, 0)
 #define SYS_AMCNTENSET1_EL0     SYS_AM_EL0(3, 1)
 
 /*
  * Group 0 of activity monitors (architected):
  *                op0  op1  CRn   CRm       op2
  * Counter:       11   011  1101  010:n<3>  n<2:0>
  * Type:          11   011  1101  011:n<3>  n<2:0>
  * n: 0-15
  *
  * Group 1 of activity monitors (auxiliary):
  *                op0  op1  CRn   CRm       op2
  * Counter:       11   011  1101  110:n<3>  n<2:0>
  * Type:          11   011  1101  111:n<3>  n<2:0>
  * n: 0-15
  */
 
 #define SYS_AMEVCNTR0_EL0(n)        SYS_AM_EL0(4 + ((n) >> 3), (n) & 7)
 #define SYS_AMEVTYPER0_EL0(n)       SYS_AM_EL0(6 + ((n) >> 3), (n) & 7)
 #define SYS_AMEVCNTR1_EL0(n)        SYS_AM_EL0(12 + ((n) >> 3), (n) & 7)
 #define SYS_AMEVTYPER1_EL0(n)       SYS_AM_EL0(14 + ((n) >> 3), (n) & 7)
 
 /* AMU v1: Fixed (architecturally defined) activity monitors */
 #define SYS_AMEVCNTR0_CORE_EL0      SYS_AMEVCNTR0_EL0(0)
 #define SYS_AMEVCNTR0_CONST_EL0     SYS_AMEVCNTR0_EL0(1)
 #define SYS_AMEVCNTR0_INST_RET_EL0  SYS_AMEVCNTR0_EL0(2)
 #define SYS_AMEVCNTR0_MEM_STALL     SYS_AMEVCNTR0_EL0(3)
 
 #define SYS_CNTFRQ_EL0          sys_reg(3, 3, 14, 0, 0)
 
 #define SYS_CNTPCTSS_EL0        sys_reg(3, 3, 14, 0, 5)
 #define SYS_CNTVCTSS_EL0        sys_reg(3, 3, 14, 0, 6)
 
 #define SYS_CNTP_TVAL_EL0       sys_reg(3, 3, 14, 2, 0)
 #define SYS_CNTP_CTL_EL0        sys_reg(3, 3, 14, 2, 1)
 #define SYS_CNTP_CVAL_EL0       sys_reg(3, 3, 14, 2, 2)
 
 #define SYS_CNTV_CTL_EL0        sys_reg(3, 3, 14, 3, 1)
 #define SYS_CNTV_CVAL_EL0       sys_reg(3, 3, 14, 3, 2)
 
 #define SYS_AARCH32_CNTP_TVAL       sys_reg(0, 0, 14, 2, 0)
 #define SYS_AARCH32_CNTP_CTL        sys_reg(0, 0, 14, 2, 1)
 #define SYS_AARCH32_CNTP_CVAL       sys_reg(0, 2, 0, 14, 0)
 
 #define __PMEV_op2(n)           ((n) & 0x7)
 #define __CNTR_CRm(n)           (0x8 | (((n) >> 3) & 0x3))
 #define SYS_PMEVCNTRn_EL0(n)        sys_reg(3, 3, 14, __CNTR_CRm(n), __PMEV_op2(n))
 #define __TYPER_CRm(n)          (0xc | (((n) >> 3) & 0x3))
 #define SYS_PMEVTYPERn_EL0(n)       sys_reg(3, 3, 14, __TYPER_CRm(n), __PMEV_op2(n))
 
 #define SYS_PMCCFILTR_EL0       sys_reg(3, 3, 14, 15, 7)
 
 #define SYS_SCTLR_EL2           sys_reg(3, 4, 1, 0, 0)
 #define SYS_HFGRTR_EL2          sys_reg(3, 4, 1, 1, 4)
 #define SYS_HFGWTR_EL2          sys_reg(3, 4, 1, 1, 5)
 #define SYS_HFGITR_EL2          sys_reg(3, 4, 1, 1, 6)
 #define SYS_TRFCR_EL2           sys_reg(3, 4, 1, 2, 1)
 #define SYS_HCRX_EL2            sys_reg(3, 4, 1, 2, 2)
 #define SYS_HDFGRTR_EL2         sys_reg(3, 4, 3, 1, 4)
 #define SYS_HDFGWTR_EL2         sys_reg(3, 4, 3, 1, 5)
 #define SYS_HAFGRTR_EL2         sys_reg(3, 4, 3, 1, 6)
 #define SYS_SPSR_EL2            sys_reg(3, 4, 4, 0, 0)
 #define SYS_ELR_EL2         sys_reg(3, 4, 4, 0, 1)
 #define SYS_IFSR32_EL2          sys_reg(3, 4, 5, 0, 1)
 #define SYS_ESR_EL2         sys_reg(3, 4, 5, 2, 0)
 #define SYS_VSESR_EL2           sys_reg(3, 4, 5, 2, 3)
 #define SYS_FPEXC32_EL2         sys_reg(3, 4, 5, 3, 0)
 #define SYS_TFSR_EL2            sys_reg(3, 4, 5, 6, 0)
 
 #define SYS_VDISR_EL2           sys_reg(3, 4, 12, 1,  1)
 #define __SYS__AP0Rx_EL2(x)     sys_reg(3, 4, 12, 8, x)
 #define SYS_ICH_AP0R0_EL2       __SYS__AP0Rx_EL2(0)
 #define SYS_ICH_AP0R1_EL2       __SYS__AP0Rx_EL2(1)
 #define SYS_ICH_AP0R2_EL2       __SYS__AP0Rx_EL2(2)
 #define SYS_ICH_AP0R3_EL2       __SYS__AP0Rx_EL2(3)
 
 #define __SYS__AP1Rx_EL2(x)     sys_reg(3, 4, 12, 9, x)
 #define SYS_ICH_AP1R0_EL2       __SYS__AP1Rx_EL2(0)
 #define SYS_ICH_AP1R1_EL2       __SYS__AP1Rx_EL2(1)
 #define SYS_ICH_AP1R2_EL2       __SYS__AP1Rx_EL2(2)
 #define SYS_ICH_AP1R3_EL2       __SYS__AP1Rx_EL2(3)
 
 #define SYS_ICH_VSEIR_EL2       sys_reg(3, 4, 12, 9, 4)
 #define SYS_ICC_SRE_EL2         sys_reg(3, 4, 12, 9, 5)
 #define SYS_ICH_HCR_EL2         sys_reg(3, 4, 12, 11, 0)
 #define SYS_ICH_VTR_EL2         sys_reg(3, 4, 12, 11, 1)
 #define SYS_ICH_MISR_EL2        sys_reg(3, 4, 12, 11, 2)
 #define SYS_ICH_EISR_EL2        sys_reg(3, 4, 12, 11, 3)
 #define SYS_ICH_ELRSR_EL2       sys_reg(3, 4, 12, 11, 5)
 #define SYS_ICH_VMCR_EL2        sys_reg(3, 4, 12, 11, 7)
 
 #define __SYS__LR0_EL2(x)       sys_reg(3, 4, 12, 12, x)
 #define SYS_ICH_LR0_EL2         __SYS__LR0_EL2(0)
 #define SYS_ICH_LR1_EL2         __SYS__LR0_EL2(1)
 #define SYS_ICH_LR2_EL2         __SYS__LR0_EL2(2)
 #define SYS_ICH_LR3_EL2         __SYS__LR0_EL2(3)
 #define SYS_ICH_LR4_EL2         __SYS__LR0_EL2(4)
 #define SYS_ICH_LR5_EL2         __SYS__LR0_EL2(5)
 #define SYS_ICH_LR6_EL2         __SYS__LR0_EL2(6)
 #define SYS_ICH_LR7_EL2         __SYS__LR0_EL2(7)
 
 #define __SYS__LR8_EL2(x)       sys_reg(3, 4, 12, 13, x)
 #define SYS_ICH_LR8_EL2         __SYS__LR8_EL2(0)
 #define SYS_ICH_LR9_EL2         __SYS__LR8_EL2(1)
 #define SYS_ICH_LR10_EL2        __SYS__LR8_EL2(2)
 #define SYS_ICH_LR11_EL2        __SYS__LR8_EL2(3)
 #define SYS_ICH_LR12_EL2        __SYS__LR8_EL2(4)
 #define SYS_ICH_LR13_EL2        __SYS__LR8_EL2(5)
 #define SYS_ICH_LR14_EL2        __SYS__LR8_EL2(6)
 #define SYS_ICH_LR15_EL2        __SYS__LR8_EL2(7)
 
 /* VHE encodings for architectural EL0/1 system registers */
 #define SYS_SCTLR_EL12          sys_reg(3, 5, 1, 0, 0)
 #define SYS_TTBR0_EL12          sys_reg(3, 5, 2, 0, 0)
 #define SYS_TTBR1_EL12          sys_reg(3, 5, 2, 0, 1)
 #define SYS_TCR_EL12            sys_reg(3, 5, 2, 0, 2)
 #define SYS_SPSR_EL12           sys_reg(3, 5, 4, 0, 0)
 #define SYS_ELR_EL12            sys_reg(3, 5, 4, 0, 1)
 #define SYS_AFSR0_EL12          sys_reg(3, 5, 5, 1, 0)
 #define SYS_AFSR1_EL12          sys_reg(3, 5, 5, 1, 1)
 #define SYS_ESR_EL12            sys_reg(3, 5, 5, 2, 0)
 #define SYS_TFSR_EL12           sys_reg(3, 5, 5, 6, 0)
 #define SYS_MAIR_EL12           sys_reg(3, 5, 10, 2, 0)
 #define SYS_AMAIR_EL12          sys_reg(3, 5, 10, 3, 0)
 #define SYS_VBAR_EL12           sys_reg(3, 5, 12, 0, 0)
 #define SYS_CNTKCTL_EL12        sys_reg(3, 5, 14, 1, 0)
 #define SYS_CNTP_TVAL_EL02      sys_reg(3, 5, 14, 2, 0)
 #define SYS_CNTP_CTL_EL02       sys_reg(3, 5, 14, 2, 1)
 #define SYS_CNTP_CVAL_EL02      sys_reg(3, 5, 14, 2, 2)
 #define SYS_CNTV_TVAL_EL02      sys_reg(3, 5, 14, 3, 0)
 #define SYS_CNTV_CTL_EL02       sys_reg(3, 5, 14, 3, 1)
 #define SYS_CNTV_CVAL_EL02      sys_reg(3, 5, 14, 3, 2)
 
 /* Common SCTLR_ELx flags. */
 #define SCTLR_ELx_ENTP2 (BIT(60))
 #define SCTLR_ELx_DSSBS (BIT(44))
 #define SCTLR_ELx_ATA   (BIT(43))
 
 #define SCTLR_ELx_ENIA_SHIFT    31
 
 #define SCTLR_ELx_ITFSB  (BIT(37))
 #define SCTLR_ELx_ENIA   (BIT(SCTLR_ELx_ENIA_SHIFT))
 #define SCTLR_ELx_ENIB   (BIT(30))
 #define SCTLR_ELx_LSMAOE (BIT(29))
 #define SCTLR_ELx_nTLSMD (BIT(28))
 #define SCTLR_ELx_ENDA   (BIT(27))
 #define SCTLR_ELx_EE     (BIT(25))
 #define SCTLR_ELx_EIS    (BIT(22))
 #define SCTLR_ELx_IESB   (BIT(21))
 #define SCTLR_ELx_TSCXT  (BIT(20))
 #define SCTLR_ELx_WXN    (BIT(19))
 #define SCTLR_ELx_ENDB   (BIT(13))
 #define SCTLR_ELx_I  (BIT(12))
 #define SCTLR_ELx_EOS    (BIT(11))
 #define SCTLR_ELx_SA     (BIT(3))
 #define SCTLR_ELx_C  (BIT(2))
 #define SCTLR_ELx_A  (BIT(1))
 #define SCTLR_ELx_M  (BIT(0))
 
 /* SCTLR_EL2 specific flags. */
 #define SCTLR_EL2_RES1  ((BIT(4))  | (BIT(5))  | (BIT(11)) | (BIT(16)) | \
              (BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \
              (BIT(29)))
 
 #ifdef CONFIG_CPU_BIG_ENDIAN
 #define ENDIAN_SET_EL2      SCTLR_ELx_EE
 #else
 #define ENDIAN_SET_EL2      0
 #endif
 
 #define INIT_SCTLR_EL2_MMU_ON                       \
     (SCTLR_ELx_M  | SCTLR_ELx_C | SCTLR_ELx_SA | SCTLR_ELx_I |  \
      SCTLR_ELx_IESB | SCTLR_ELx_WXN | ENDIAN_SET_EL2 |      \
      SCTLR_ELx_ITFSB | SCTLR_EL2_RES1)
 
 #define INIT_SCTLR_EL2_MMU_OFF \
     (SCTLR_EL2_RES1 | ENDIAN_SET_EL2)
 
 /* SCTLR_EL1 specific flags. */
 #ifdef CONFIG_CPU_BIG_ENDIAN
 #define ENDIAN_SET_EL1      (SCTLR_EL1_E0E | SCTLR_ELx_EE)
 #else
 #define ENDIAN_SET_EL1      0
 #endif
 
 #define INIT_SCTLR_EL1_MMU_OFF \
     (ENDIAN_SET_EL1 | SCTLR_EL1_LSMAOE | SCTLR_EL1_nTLSMD | \
      SCTLR_EL1_EIS  | SCTLR_EL1_TSCXT  | SCTLR_EL1_EOS)
 
 #define INIT_SCTLR_EL1_MMU_ON \
     (SCTLR_ELx_M      | SCTLR_ELx_C      | SCTLR_ELx_SA    | \
      SCTLR_EL1_SA0    | SCTLR_EL1_SED    | SCTLR_ELx_I     | \
      SCTLR_EL1_DZE    | SCTLR_EL1_UCT    | SCTLR_EL1_nTWE  | \
      SCTLR_ELx_IESB   | SCTLR_EL1_SPAN   | SCTLR_ELx_ITFSB | \
      ENDIAN_SET_EL1   | SCTLR_EL1_UCI    | SCTLR_EL1_EPAN  | \
      SCTLR_EL1_LSMAOE | SCTLR_EL1_nTLSMD | SCTLR_EL1_EIS   | \
      SCTLR_EL1_TSCXT  | SCTLR_EL1_EOS)
 
 /* MAIR_ELx memory attributes (used by Linux) */
 #define MAIR_ATTR_DEVICE_nGnRnE     UL(0x00)
 #define MAIR_ATTR_DEVICE_nGnRE      UL(0x04)
 #define MAIR_ATTR_NORMAL_NC     UL(0x44)
 #define MAIR_ATTR_NORMAL_TAGGED     UL(0xf0)
 #define MAIR_ATTR_NORMAL        UL(0xff)
 #define MAIR_ATTR_MASK          UL(0xff)
 
 /* Position the attr at the correct index */
 #define MAIR_ATTRIDX(attr, idx)     ((attr) << ((idx) * 8))
 
 /* id_aa64pfr0 */
 #define ID_AA64PFR0_CSV3_SHIFT      60
 #define ID_AA64PFR0_CSV2_SHIFT      56
 #define ID_AA64PFR0_DIT_SHIFT       48
 #define ID_AA64PFR0_AMU_SHIFT       44
 #define ID_AA64PFR0_MPAM_SHIFT      40
 #define ID_AA64PFR0_SEL2_SHIFT      36
 #define ID_AA64PFR0_SVE_SHIFT       32
 #define ID_AA64PFR0_RAS_SHIFT       28
 #define ID_AA64PFR0_GIC_SHIFT       24
 #define ID_AA64PFR0_ASIMD_SHIFT     20
 #define ID_AA64PFR0_FP_SHIFT        16
 #define ID_AA64PFR0_EL3_SHIFT       12
 #define ID_AA64PFR0_EL2_SHIFT       8
 #define ID_AA64PFR0_EL1_SHIFT       4
 #define ID_AA64PFR0_EL0_SHIFT       0
 
 #define ID_AA64PFR0_AMU         0x1
 #define ID_AA64PFR0_SVE         0x1
 #define ID_AA64PFR0_RAS_V1      0x1
 #define ID_AA64PFR0_RAS_V1P1        0x2
 #define ID_AA64PFR0_FP_NI       0xf
 #define ID_AA64PFR0_FP_SUPPORTED    0x0
 #define ID_AA64PFR0_ASIMD_NI        0xf
 #define ID_AA64PFR0_ASIMD_SUPPORTED 0x0
 #define ID_AA64PFR0_ELx_64BIT_ONLY  0x1
 #define ID_AA64PFR0_ELx_32BIT_64BIT 0x2
 
 /* id_aa64pfr1 */
 #define ID_AA64PFR1_SME_SHIFT       24
 #define ID_AA64PFR1_MPAMFRAC_SHIFT  16
 #define ID_AA64PFR1_RASFRAC_SHIFT   12
 #define ID_AA64PFR1_MTE_SHIFT       8
 #define ID_AA64PFR1_SSBS_SHIFT      4
 #define ID_AA64PFR1_BT_SHIFT        0
 
 #define ID_AA64PFR1_SSBS_PSTATE_NI  0
 #define ID_AA64PFR1_SSBS_PSTATE_ONLY    1
 #define ID_AA64PFR1_SSBS_PSTATE_INSNS   2
 #define ID_AA64PFR1_BT_BTI      0x1
 #define ID_AA64PFR1_SME         1
 
 #define ID_AA64PFR1_MTE_NI      0x0
 #define ID_AA64PFR1_MTE_EL0     0x1
 #define ID_AA64PFR1_MTE         0x2
 #define ID_AA64PFR1_MTE_ASYMM       0x3
 
 /* id_aa64mmfr0 */
 #define ID_AA64MMFR0_ECV_SHIFT      60
 #define ID_AA64MMFR0_FGT_SHIFT      56
 #define ID_AA64MMFR0_EXS_SHIFT      44
 #define ID_AA64MMFR0_TGRAN4_2_SHIFT 40
 #define ID_AA64MMFR0_TGRAN64_2_SHIFT    36
 #define ID_AA64MMFR0_TGRAN16_2_SHIFT    32
 #define ID_AA64MMFR0_TGRAN4_SHIFT   28
 #define ID_AA64MMFR0_TGRAN64_SHIFT  24
 #define ID_AA64MMFR0_TGRAN16_SHIFT  20
 #define ID_AA64MMFR0_BIGENDEL0_SHIFT    16
 #define ID_AA64MMFR0_SNSMEM_SHIFT   12
 #define ID_AA64MMFR0_BIGENDEL_SHIFT 8
 #define ID_AA64MMFR0_ASID_SHIFT     4
 #define ID_AA64MMFR0_PARANGE_SHIFT  0
 
 #define ID_AA64MMFR0_ASID_8     0x0
 #define ID_AA64MMFR0_ASID_16        0x2
 
 #define ID_AA64MMFR0_TGRAN4_NI          0xf
 #define ID_AA64MMFR0_TGRAN4_SUPPORTED_MIN   0x0
 #define ID_AA64MMFR0_TGRAN4_SUPPORTED_MAX   0x7
 #define ID_AA64MMFR0_TGRAN64_NI         0xf
 #define ID_AA64MMFR0_TGRAN64_SUPPORTED_MIN  0x0
 #define ID_AA64MMFR0_TGRAN64_SUPPORTED_MAX  0x7
 #define ID_AA64MMFR0_TGRAN16_NI         0x0
 #define ID_AA64MMFR0_TGRAN16_SUPPORTED_MIN  0x1
 #define ID_AA64MMFR0_TGRAN16_SUPPORTED_MAX  0xf
 
 #define ID_AA64MMFR0_PARANGE_32     0x0
 #define ID_AA64MMFR0_PARANGE_36     0x1
 #define ID_AA64MMFR0_PARANGE_40     0x2
 #define ID_AA64MMFR0_PARANGE_42     0x3
 #define ID_AA64MMFR0_PARANGE_44     0x4
 #define ID_AA64MMFR0_PARANGE_48     0x5
 #define ID_AA64MMFR0_PARANGE_52     0x6
 
 #define ARM64_MIN_PARANGE_BITS      32
 
 #define ID_AA64MMFR0_TGRAN_2_SUPPORTED_DEFAULT  0x0
 #define ID_AA64MMFR0_TGRAN_2_SUPPORTED_NONE 0x1
 #define ID_AA64MMFR0_TGRAN_2_SUPPORTED_MIN  0x2
 #define ID_AA64MMFR0_TGRAN_2_SUPPORTED_MAX  0x7
 
 #ifdef CONFIG_ARM64_PA_BITS_52
 #define ID_AA64MMFR0_PARANGE_MAX    ID_AA64MMFR0_PARANGE_52
 #else
 #define ID_AA64MMFR0_PARANGE_MAX    ID_AA64MMFR0_PARANGE_48
 #endif
 
 /* id_aa64mmfr1 */
 #define ID_AA64MMFR1_ECBHB_SHIFT    60
 #define ID_AA64MMFR1_TIDCP1_SHIFT   52
 #define ID_AA64MMFR1_HCX_SHIFT      40
 #define ID_AA64MMFR1_AFP_SHIFT      44
 #define ID_AA64MMFR1_ETS_SHIFT      36
 #define ID_AA64MMFR1_TWED_SHIFT     32
 #define ID_AA64MMFR1_XNX_SHIFT      28
 #define ID_AA64MMFR1_SPECSEI_SHIFT  24
 #define ID_AA64MMFR1_PAN_SHIFT      20
 #define ID_AA64MMFR1_LOR_SHIFT      16
 #define ID_AA64MMFR1_HPD_SHIFT      12
 #define ID_AA64MMFR1_VHE_SHIFT      8
 #define ID_AA64MMFR1_VMIDBITS_SHIFT 4
 #define ID_AA64MMFR1_HADBS_SHIFT    0
 
 #define ID_AA64MMFR1_VMIDBITS_8     0
 #define ID_AA64MMFR1_VMIDBITS_16    2
 
 #define ID_AA64MMFR1_TIDCP1_NI      0
 #define ID_AA64MMFR1_TIDCP1_IMP     1
 
 /* id_aa64mmfr2 */
 #define ID_AA64MMFR2_E0PD_SHIFT     60
 #define ID_AA64MMFR2_EVT_SHIFT      56
 #define ID_AA64MMFR2_BBM_SHIFT      52
 #define ID_AA64MMFR2_TTL_SHIFT      48
 #define ID_AA64MMFR2_FWB_SHIFT      40
 #define ID_AA64MMFR2_IDS_SHIFT      36
 #define ID_AA64MMFR2_AT_SHIFT       32
 #define ID_AA64MMFR2_ST_SHIFT       28
 #define ID_AA64MMFR2_NV_SHIFT       24
 #define ID_AA64MMFR2_CCIDX_SHIFT    20
 #define ID_AA64MMFR2_LVA_SHIFT      16
 #define ID_AA64MMFR2_IESB_SHIFT     12
 #define ID_AA64MMFR2_LSM_SHIFT      8
 #define ID_AA64MMFR2_UAO_SHIFT      4
 #define ID_AA64MMFR2_CNP_SHIFT      0
 
 /* id_aa64dfr0 */
 #define ID_AA64DFR0_MTPMU_SHIFT     48
 #define ID_AA64DFR0_TRBE_SHIFT      44
 #define ID_AA64DFR0_TRACE_FILT_SHIFT    40
 #define ID_AA64DFR0_DOUBLELOCK_SHIFT    36
 #define ID_AA64DFR0_PMSVER_SHIFT    32
 #define ID_AA64DFR0_CTX_CMPS_SHIFT  28
 #define ID_AA64DFR0_WRPS_SHIFT      20
 #define ID_AA64DFR0_BRPS_SHIFT      12
 #define ID_AA64DFR0_PMUVER_SHIFT    8
 #define ID_AA64DFR0_TRACEVER_SHIFT  4
 #define ID_AA64DFR0_DEBUGVER_SHIFT  0
 
 #define ID_AA64DFR0_PMUVER_8_0      0x1
 #define ID_AA64DFR0_PMUVER_8_1      0x4
 #define ID_AA64DFR0_PMUVER_8_4      0x5
 #define ID_AA64DFR0_PMUVER_8_5      0x6
 #define ID_AA64DFR0_PMUVER_8_7      0x7
 #define ID_AA64DFR0_PMUVER_IMP_DEF  0xf
 
 #define ID_AA64DFR0_PMSVER_8_2      0x1
 #define ID_AA64DFR0_PMSVER_8_3      0x2
 
 #define ID_DFR0_PERFMON_SHIFT       24
 
 #define ID_DFR0_PERFMON_8_0     0x3
 #define ID_DFR0_PERFMON_8_1     0x4
 #define ID_DFR0_PERFMON_8_4     0x5
 #define ID_DFR0_PERFMON_8_5     0x6
 
 #define ID_ISAR4_SWP_FRAC_SHIFT     28
 #define ID_ISAR4_PSR_M_SHIFT        24
 #define ID_ISAR4_SYNCH_PRIM_FRAC_SHIFT  20
 #define ID_ISAR4_BARRIER_SHIFT      16
 #define ID_ISAR4_SMC_SHIFT      12
 #define ID_ISAR4_WRITEBACK_SHIFT    8
 #define ID_ISAR4_WITHSHIFTS_SHIFT   4
 #define ID_ISAR4_UNPRIV_SHIFT       0
 
 #define ID_DFR1_MTPMU_SHIFT     0
 
 #define ID_ISAR0_DIVIDE_SHIFT       24
 #define ID_ISAR0_DEBUG_SHIFT        20
 #define ID_ISAR0_COPROC_SHIFT       16
 #define ID_ISAR0_CMPBRANCH_SHIFT    12
 #define ID_ISAR0_BITFIELD_SHIFT     8
 #define ID_ISAR0_BITCOUNT_SHIFT     4
 #define ID_ISAR0_SWAP_SHIFT     0
 
 #define ID_ISAR5_RDM_SHIFT      24
 #define ID_ISAR5_CRC32_SHIFT        16
 #define ID_ISAR5_SHA2_SHIFT     12
 #define ID_ISAR5_SHA1_SHIFT     8
 #define ID_ISAR5_AES_SHIFT      4
 #define ID_ISAR5_SEVL_SHIFT     0
 
 #define ID_ISAR6_I8MM_SHIFT     24
 #define ID_ISAR6_BF16_SHIFT     20
 #define ID_ISAR6_SPECRES_SHIFT      16
 #define ID_ISAR6_SB_SHIFT       12
 #define ID_ISAR6_FHM_SHIFT      8
 #define ID_ISAR6_DP_SHIFT       4
 #define ID_ISAR6_JSCVT_SHIFT        0
 
 #define ID_MMFR0_INNERSHR_SHIFT     28
 #define ID_MMFR0_FCSE_SHIFT     24
 #define ID_MMFR0_AUXREG_SHIFT       20
 #define ID_MMFR0_TCM_SHIFT      16
 #define ID_MMFR0_SHARELVL_SHIFT     12
 #define ID_MMFR0_OUTERSHR_SHIFT     8
 #define ID_MMFR0_PMSA_SHIFT     4
 #define ID_MMFR0_VMSA_SHIFT     0
 
 #define ID_MMFR4_EVT_SHIFT      28
 #define ID_MMFR4_CCIDX_SHIFT        24
 #define ID_MMFR4_LSM_SHIFT      20
 #define ID_MMFR4_HPDS_SHIFT     16
 #define ID_MMFR4_CNP_SHIFT      12
 #define ID_MMFR4_XNX_SHIFT      8
 #define ID_MMFR4_AC2_SHIFT      4
 #define ID_MMFR4_SPECSEI_SHIFT      0
 
 #define ID_MMFR5_ETS_SHIFT      0
 
 #define ID_PFR0_DIT_SHIFT       24
 #define ID_PFR0_CSV2_SHIFT      16
 #define ID_PFR0_STATE3_SHIFT        12
 #define ID_PFR0_STATE2_SHIFT        8
 #define ID_PFR0_STATE1_SHIFT        4
 #define ID_PFR0_STATE0_SHIFT        0
 
 #define ID_DFR0_PERFMON_SHIFT       24
 #define ID_DFR0_MPROFDBG_SHIFT      20
 #define ID_DFR0_MMAPTRC_SHIFT       16
 #define ID_DFR0_COPTRC_SHIFT        12
 #define ID_DFR0_MMAPDBG_SHIFT       8
 #define ID_DFR0_COPSDBG_SHIFT       4
 #define ID_DFR0_COPDBG_SHIFT        0
 
 #define ID_PFR2_SSBS_SHIFT      4
 #define ID_PFR2_CSV3_SHIFT      0
 
 #define MVFR0_FPROUND_SHIFT     28
 #define MVFR0_FPSHVEC_SHIFT     24
 #define MVFR0_FPSQRT_SHIFT      20
 #define MVFR0_FPDIVIDE_SHIFT        16
 #define MVFR0_FPTRAP_SHIFT      12
 #define MVFR0_FPDP_SHIFT        8
 #define MVFR0_FPSP_SHIFT        4
 #define MVFR0_SIMD_SHIFT        0
 
 #define MVFR1_SIMDFMAC_SHIFT        28
 #define MVFR1_FPHP_SHIFT        24
 #define MVFR1_SIMDHP_SHIFT      20
 #define MVFR1_SIMDSP_SHIFT      16
 #define MVFR1_SIMDINT_SHIFT     12
 #define MVFR1_SIMDLS_SHIFT      8
 #define MVFR1_FPDNAN_SHIFT      4
 #define MVFR1_FPFTZ_SHIFT       0
 
 #define ID_PFR1_GIC_SHIFT       28
 #define ID_PFR1_VIRT_FRAC_SHIFT     24
 #define ID_PFR1_SEC_FRAC_SHIFT      20
 #define ID_PFR1_GENTIMER_SHIFT      16
 #define ID_PFR1_VIRTUALIZATION_SHIFT    12
 #define ID_PFR1_MPROGMOD_SHIFT      8
 #define ID_PFR1_SECURITY_SHIFT      4
 #define ID_PFR1_PROGMOD_SHIFT       0
 
 #if defined(CONFIG_ARM64_4K_PAGES)
 #define ID_AA64MMFR0_TGRAN_SHIFT        ID_AA64MMFR0_TGRAN4_SHIFT
 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN    ID_AA64MMFR0_TGRAN4_SUPPORTED_MIN
 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX    ID_AA64MMFR0_TGRAN4_SUPPORTED_MAX
 #define ID_AA64MMFR0_TGRAN_2_SHIFT      ID_AA64MMFR0_TGRAN4_2_SHIFT
 #elif defined(CONFIG_ARM64_16K_PAGES)
 #define ID_AA64MMFR0_TGRAN_SHIFT        ID_AA64MMFR0_TGRAN16_SHIFT
 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN    ID_AA64MMFR0_TGRAN16_SUPPORTED_MIN
 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX    ID_AA64MMFR0_TGRAN16_SUPPORTED_MAX
 #define ID_AA64MMFR0_TGRAN_2_SHIFT      ID_AA64MMFR0_TGRAN16_2_SHIFT
 #elif defined(CONFIG_ARM64_64K_PAGES)
 #define ID_AA64MMFR0_TGRAN_SHIFT        ID_AA64MMFR0_TGRAN64_SHIFT
 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN    ID_AA64MMFR0_TGRAN64_SUPPORTED_MIN
 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX    ID_AA64MMFR0_TGRAN64_SUPPORTED_MAX
 #define ID_AA64MMFR0_TGRAN_2_SHIFT      ID_AA64MMFR0_TGRAN64_2_SHIFT
 #endif
 
 #define MVFR2_FPMISC_SHIFT      4
 #define MVFR2_SIMDMISC_SHIFT        0
 
 #define CPACR_EL1_FPEN_EL1EN    (BIT(20)) /* enable EL1 access */
 #define CPACR_EL1_FPEN_EL0EN    (BIT(21)) /* enable EL0 access, if EL1EN set */
 
 #define CPACR_EL1_SMEN_EL1EN    (BIT(24)) /* enable EL1 access */
 #define CPACR_EL1_SMEN_EL0EN    (BIT(25)) /* enable EL0 access, if EL1EN set */
 
 #define CPACR_EL1_ZEN_EL1EN (BIT(16)) /* enable EL1 access */
 #define CPACR_EL1_ZEN_EL0EN (BIT(17)) /* enable EL0 access, if EL1EN set */
 
 /* GCR_EL1 Definitions */
 #define SYS_GCR_EL1_RRND    (BIT(16))
 #define SYS_GCR_EL1_EXCL_MASK   0xffffUL
 
 #ifdef CONFIG_KASAN_HW_TAGS
 /*
  * KASAN always uses a whole byte for its tags. With CONFIG_KASAN_HW_TAGS it
  * only uses tags in the range 0xF0-0xFF, which we map to MTE tags 0x0-0xF.
  */
 #define __MTE_TAG_MIN       (KASAN_TAG_MIN & 0xf)
 #define __MTE_TAG_MAX       (KASAN_TAG_MAX & 0xf)
 #define __MTE_TAG_INCL      GENMASK(__MTE_TAG_MAX, __MTE_TAG_MIN)
 #define KERNEL_GCR_EL1_EXCL (SYS_GCR_EL1_EXCL_MASK & ~__MTE_TAG_INCL)
 #else
 #define KERNEL_GCR_EL1_EXCL SYS_GCR_EL1_EXCL_MASK
 #endif
 
 #define KERNEL_GCR_EL1      (SYS_GCR_EL1_RRND | KERNEL_GCR_EL1_EXCL)
 
 /* RGSR_EL1 Definitions */
 #define SYS_RGSR_EL1_TAG_MASK   0xfUL
 #define SYS_RGSR_EL1_SEED_SHIFT 8
 #define SYS_RGSR_EL1_SEED_MASK  0xffffUL
 
 /* GMID_EL1 field definitions */
 #define GMID_EL1_BS_SHIFT   0
 #define GMID_EL1_BS_SIZE    4
 
 /* TFSR{,E0}_EL1 bit definitions */
 #define SYS_TFSR_EL1_TF0_SHIFT  0
 #define SYS_TFSR_EL1_TF1_SHIFT  1
 #define SYS_TFSR_EL1_TF0    (UL(1) << SYS_TFSR_EL1_TF0_SHIFT)
 #define SYS_TFSR_EL1_TF1    (UL(1) << SYS_TFSR_EL1_TF1_SHIFT)
 
 /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */
 #define SYS_MPIDR_SAFE_VAL  (BIT(31))
 
 #define TRFCR_ELx_TS_SHIFT      5
 #define TRFCR_ELx_TS_VIRTUAL        ((0x1UL) << TRFCR_ELx_TS_SHIFT)
 #define TRFCR_ELx_TS_GUEST_PHYSICAL ((0x2UL) << TRFCR_ELx_TS_SHIFT)
 #define TRFCR_ELx_TS_PHYSICAL       ((0x3UL) << TRFCR_ELx_TS_SHIFT)
 #define TRFCR_EL2_CX            BIT(3)
 #define TRFCR_ELx_ExTRE         BIT(1)
 #define TRFCR_ELx_E0TRE         BIT(0)
 
 /* HCRX_EL2 definitions */
 #define HCRX_EL2_SMPME_MASK     (1 << 5)
 
 /* GIC Hypervisor interface registers */
 /* ICH_MISR_EL2 bit definitions */
 #define ICH_MISR_EOI        (1 << 0)
 #define ICH_MISR_U      (1 << 1)
 
 /* ICH_LR*_EL2 bit definitions */
 #define ICH_LR_VIRTUAL_ID_MASK  ((1ULL << 32) - 1)
 
 #define ICH_LR_EOI      (1ULL << 41)
 #define ICH_LR_GROUP        (1ULL << 60)
 #define ICH_LR_HW       (1ULL << 61)
 #define ICH_LR_STATE        (3ULL << 62)
 #define ICH_LR_PENDING_BIT  (1ULL << 62)
 #define ICH_LR_ACTIVE_BIT   (1ULL << 63)
 #define ICH_LR_PHYS_ID_SHIFT    32
 #define ICH_LR_PHYS_ID_MASK (0x3ffULL << ICH_LR_PHYS_ID_SHIFT)
 #define ICH_LR_PRIORITY_SHIFT   48
 #define ICH_LR_PRIORITY_MASK    (0xffULL << ICH_LR_PRIORITY_SHIFT)
 
 /* ICH_HCR_EL2 bit definitions */
 #define ICH_HCR_EN      (1 << 0)
 #define ICH_HCR_UIE     (1 << 1)
 #define ICH_HCR_NPIE        (1 << 3)
 #define ICH_HCR_TC      (1 << 10)
 #define ICH_HCR_TALL0       (1 << 11)
 #define ICH_HCR_TALL1       (1 << 12)
 #define ICH_HCR_TDIR        (1 << 14)
 #define ICH_HCR_EOIcount_SHIFT  27
 #define ICH_HCR_EOIcount_MASK   (0x1f << ICH_HCR_EOIcount_SHIFT)
 
 /* ICH_VMCR_EL2 bit definitions */
 #define ICH_VMCR_ACK_CTL_SHIFT  2
 #define ICH_VMCR_ACK_CTL_MASK   (1 << ICH_VMCR_ACK_CTL_SHIFT)
 #define ICH_VMCR_FIQ_EN_SHIFT   3
 #define ICH_VMCR_FIQ_EN_MASK    (1 << ICH_VMCR_FIQ_EN_SHIFT)
 #define ICH_VMCR_CBPR_SHIFT 4
 #define ICH_VMCR_CBPR_MASK  (1 << ICH_VMCR_CBPR_SHIFT)
 #define ICH_VMCR_EOIM_SHIFT 9
 #define ICH_VMCR_EOIM_MASK  (1 << ICH_VMCR_EOIM_SHIFT)
 #define ICH_VMCR_BPR1_SHIFT 18
 #define ICH_VMCR_BPR1_MASK  (7 << ICH_VMCR_BPR1_SHIFT)
 #define ICH_VMCR_BPR0_SHIFT 21
 #define ICH_VMCR_BPR0_MASK  (7 << ICH_VMCR_BPR0_SHIFT)
 #define ICH_VMCR_PMR_SHIFT  24
 #define ICH_VMCR_PMR_MASK   (0xffUL << ICH_VMCR_PMR_SHIFT)
 #define ICH_VMCR_ENG0_SHIFT 0
 #define ICH_VMCR_ENG0_MASK  (1 << ICH_VMCR_ENG0_SHIFT)
 #define ICH_VMCR_ENG1_SHIFT 1
 #define ICH_VMCR_ENG1_MASK  (1 << ICH_VMCR_ENG1_SHIFT)
 
 /* ICH_VTR_EL2 bit definitions */
 #define ICH_VTR_PRI_BITS_SHIFT  29
 #define ICH_VTR_PRI_BITS_MASK   (7 << ICH_VTR_PRI_BITS_SHIFT)
 #define ICH_VTR_ID_BITS_SHIFT   23
 #define ICH_VTR_ID_BITS_MASK    (7 << ICH_VTR_ID_BITS_SHIFT)
 #define ICH_VTR_SEIS_SHIFT  22
 #define ICH_VTR_SEIS_MASK   (1 << ICH_VTR_SEIS_SHIFT)
 #define ICH_VTR_A3V_SHIFT   21
 #define ICH_VTR_A3V_MASK    (1 << ICH_VTR_A3V_SHIFT)
 #define ICH_VTR_TDS_SHIFT   19
 #define ICH_VTR_TDS_MASK    (1 << ICH_VTR_TDS_SHIFT)
 
 /* HFG[WR]TR_EL2 bit definitions */
 #define HFGxTR_EL2_nTPIDR2_EL0_SHIFT    55
 #define HFGxTR_EL2_nTPIDR2_EL0_MASK BIT_MASK(HFGxTR_EL2_nTPIDR2_EL0_SHIFT)
 #define HFGxTR_EL2_nSMPRI_EL1_SHIFT 54
 #define HFGxTR_EL2_nSMPRI_EL1_MASK  BIT_MASK(HFGxTR_EL2_nSMPRI_EL1_SHIFT)
 
 #define ARM64_FEATURE_FIELD_BITS    4
 
 /* Create a mask for the feature bits of the specified feature. */
 #define ARM64_FEATURE_MASK(x)   (GENMASK_ULL(x##_SHIFT + ARM64_FEATURE_FIELD_BITS - 1, x##_SHIFT))
 
 #ifdef __ASSEMBLY__
 
     .macro  mrs_s, rt, sreg
      __emit_inst(0xd5200000|(\sreg)|(.L__gpr_num_\rt))
     .endm
 
     .macro  msr_s, sreg, rt
     __emit_inst(0xd5000000|(\sreg)|(.L__gpr_num_\rt))
     .endm
 
 #else
 
 #include <linux/bitfield.h>
 #include <linux/build_bug.h>
 #include <linux/types.h>
 #include <asm/alternative.h>
 
 #define DEFINE_MRS_S                        \
     __DEFINE_ASM_GPR_NUMS                   \
 "   .macro  mrs_s, rt, sreg\n"              \
     __emit_inst(0xd5200000|(\\sreg)|(.L__gpr_num_\\rt)) \
 "   .endm\n"
 
 #define DEFINE_MSR_S                        \
     __DEFINE_ASM_GPR_NUMS                   \
 "   .macro  msr_s, sreg, rt\n"              \
     __emit_inst(0xd5000000|(\\sreg)|(.L__gpr_num_\\rt)) \
 "   .endm\n"
 
 #define UNDEFINE_MRS_S                      \
 "   .purgem mrs_s\n"
 
 #define UNDEFINE_MSR_S                      \
 "   .purgem msr_s\n"
 
 #define __mrs_s(v, r)                       \
     DEFINE_MRS_S                        \
 "   mrs_s " v ", " __stringify(r) "\n"          \
     UNDEFINE_MRS_S
 
 #define __msr_s(r, v)                       \
     DEFINE_MSR_S                        \
 "   msr_s " __stringify(r) ", " v "\n"          \
     UNDEFINE_MSR_S
 
 /*
  * Unlike read_cpuid, calls to read_sysreg are never expected to be
  * optimized away or replaced with synthetic values.
  */
 #define read_sysreg(r) ({                   \
     u64 __val;                      \
     asm volatile("mrs %0, " __stringify(r) : "=r" (__val)); \
     __val;                          \
 })
 
 /*
  * The "Z" constraint normally means a zero immediate, but when combined with
  * the "%x0" template means XZR.
  */
 #define write_sysreg(v, r) do {                 \
     u64 __val = (u64)(v);                   \
     asm volatile("msr " __stringify(r) ", %x0"      \
              : : "rZ" (__val));             \
 } while (0)
 
 /*
  * For registers without architectural names, or simply unsupported by
  * GAS.
  */
 #define read_sysreg_s(r) ({                     \
     u64 __val;                          \
     asm volatile(__mrs_s("%0", r) : "=r" (__val));          \
     __val;                              \
 })
 
 #define write_sysreg_s(v, r) do {                   \
     u64 __val = (u64)(v);                       \
     asm volatile(__msr_s(r, "%x0") : : "rZ" (__val));       \
 } while (0)
 
 /*
  * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the
  * set mask are set. Other bits are left as-is.
  */
 #define sysreg_clear_set(sysreg, clear, set) do {           \
     u64 __scs_val = read_sysreg(sysreg);                \
     u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set);        \
     if (__scs_new != __scs_val)                 \
         write_sysreg(__scs_new, sysreg);            \
 } while (0)
 
 #define sysreg_clear_set_s(sysreg, clear, set) do {         \
     u64 __scs_val = read_sysreg_s(sysreg);              \
     u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set);        \
     if (__scs_new != __scs_val)                 \
         write_sysreg_s(__scs_new, sysreg);          \
 } while (0)
 
 #define read_sysreg_par() ({                        \
     u64 par;                            \
     asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412));    \
     par = read_sysreg(par_el1);                 \
     asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412));    \
     par;                                \
 })
 
 #define SYS_FIELD_GET(reg, field, val)      \
          FIELD_GET(reg##_##field##_MASK, val)
 
 #define SYS_FIELD_PREP(reg, field, val)     \
          FIELD_PREP(reg##_##field##_MASK, val)
 
 #define SYS_FIELD_PREP_ENUM(reg, field, val)        \
          FIELD_PREP(reg##_##field##_MASK, reg##_##field##_##val)
 
 #endif
 
 #endif  /* __ASM_SYSREG_H */

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