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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 16:55:17 +07:00
29a0f5ad87
The 'F' field of the PAR_EL1 register lives in bit 0, not bit 1.
Fix the broken definition in 'sysreg.h'.
Fixes: e8620cff99 ("arm64: sysreg: Add some field definitions for PAR_EL1")
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Will Deacon <will@kernel.org>
844 lines
28 KiB
C
844 lines
28 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Macros for accessing system registers with older binutils.
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*
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* Copyright (C) 2014 ARM Ltd.
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* Author: Catalin Marinas <catalin.marinas@arm.com>
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*/
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#ifndef __ASM_SYSREG_H
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#define __ASM_SYSREG_H
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#include <linux/bits.h>
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#include <linux/stringify.h>
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/*
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* ARMv8 ARM reserves the following encoding for system registers:
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* (Ref: ARMv8 ARM, Section: "System instruction class encoding overview",
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* C5.2, version:ARM DDI 0487A.f)
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* [20-19] : Op0
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* [18-16] : Op1
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* [15-12] : CRn
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* [11-8] : CRm
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* [7-5] : Op2
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*/
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#define Op0_shift 19
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#define Op0_mask 0x3
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#define Op1_shift 16
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#define Op1_mask 0x7
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#define CRn_shift 12
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#define CRn_mask 0xf
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#define CRm_shift 8
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#define CRm_mask 0xf
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#define Op2_shift 5
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#define Op2_mask 0x7
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#define sys_reg(op0, op1, crn, crm, op2) \
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(((op0) << Op0_shift) | ((op1) << Op1_shift) | \
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((crn) << CRn_shift) | ((crm) << CRm_shift) | \
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((op2) << Op2_shift))
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#define sys_insn sys_reg
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#define sys_reg_Op0(id) (((id) >> Op0_shift) & Op0_mask)
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#define sys_reg_Op1(id) (((id) >> Op1_shift) & Op1_mask)
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#define sys_reg_CRn(id) (((id) >> CRn_shift) & CRn_mask)
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#define sys_reg_CRm(id) (((id) >> CRm_shift) & CRm_mask)
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#define sys_reg_Op2(id) (((id) >> Op2_shift) & Op2_mask)
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#ifndef CONFIG_BROKEN_GAS_INST
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#ifdef __ASSEMBLY__
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#define __emit_inst(x) .inst (x)
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#else
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#define __emit_inst(x) ".inst " __stringify((x)) "\n\t"
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#endif
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#else /* CONFIG_BROKEN_GAS_INST */
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#ifndef CONFIG_CPU_BIG_ENDIAN
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#define __INSTR_BSWAP(x) (x)
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#else /* CONFIG_CPU_BIG_ENDIAN */
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#define __INSTR_BSWAP(x) ((((x) << 24) & 0xff000000) | \
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(((x) << 8) & 0x00ff0000) | \
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(((x) >> 8) & 0x0000ff00) | \
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(((x) >> 24) & 0x000000ff))
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#endif /* CONFIG_CPU_BIG_ENDIAN */
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#ifdef __ASSEMBLY__
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#define __emit_inst(x) .long __INSTR_BSWAP(x)
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#else /* __ASSEMBLY__ */
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#define __emit_inst(x) ".long " __stringify(__INSTR_BSWAP(x)) "\n\t"
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#endif /* __ASSEMBLY__ */
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#endif /* CONFIG_BROKEN_GAS_INST */
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/*
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* Instructions for modifying PSTATE fields.
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* As per Arm ARM for v8-A, Section "C.5.1.3 op0 == 0b00, architectural hints,
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* barriers and CLREX, and PSTATE access", ARM DDI 0487 C.a, system instructions
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* for accessing PSTATE fields have the following encoding:
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* Op0 = 0, CRn = 4
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* Op1, Op2 encodes the PSTATE field modified and defines the constraints.
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* CRm = Imm4 for the instruction.
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* Rt = 0x1f
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*/
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#define pstate_field(op1, op2) ((op1) << Op1_shift | (op2) << Op2_shift)
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#define PSTATE_Imm_shift CRm_shift
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#define PSTATE_PAN pstate_field(0, 4)
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#define PSTATE_UAO pstate_field(0, 3)
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#define PSTATE_SSBS pstate_field(3, 1)
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#define SET_PSTATE_PAN(x) __emit_inst(0xd500401f | PSTATE_PAN | ((!!x) << PSTATE_Imm_shift))
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#define SET_PSTATE_UAO(x) __emit_inst(0xd500401f | PSTATE_UAO | ((!!x) << PSTATE_Imm_shift))
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#define SET_PSTATE_SSBS(x) __emit_inst(0xd500401f | PSTATE_SSBS | ((!!x) << PSTATE_Imm_shift))
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#define __SYS_BARRIER_INSN(CRm, op2, Rt) \
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__emit_inst(0xd5000000 | sys_insn(0, 3, 3, (CRm), (op2)) | ((Rt) & 0x1f))
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#define SB_BARRIER_INSN __SYS_BARRIER_INSN(0, 7, 31)
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#define SYS_DC_ISW sys_insn(1, 0, 7, 6, 2)
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#define SYS_DC_CSW sys_insn(1, 0, 7, 10, 2)
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#define SYS_DC_CISW sys_insn(1, 0, 7, 14, 2)
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#define SYS_OSDTRRX_EL1 sys_reg(2, 0, 0, 0, 2)
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#define SYS_MDCCINT_EL1 sys_reg(2, 0, 0, 2, 0)
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#define SYS_MDSCR_EL1 sys_reg(2, 0, 0, 2, 2)
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#define SYS_OSDTRTX_EL1 sys_reg(2, 0, 0, 3, 2)
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#define SYS_OSECCR_EL1 sys_reg(2, 0, 0, 6, 2)
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#define SYS_DBGBVRn_EL1(n) sys_reg(2, 0, 0, n, 4)
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#define SYS_DBGBCRn_EL1(n) sys_reg(2, 0, 0, n, 5)
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#define SYS_DBGWVRn_EL1(n) sys_reg(2, 0, 0, n, 6)
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#define SYS_DBGWCRn_EL1(n) sys_reg(2, 0, 0, n, 7)
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#define SYS_MDRAR_EL1 sys_reg(2, 0, 1, 0, 0)
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#define SYS_OSLAR_EL1 sys_reg(2, 0, 1, 0, 4)
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#define SYS_OSLSR_EL1 sys_reg(2, 0, 1, 1, 4)
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#define SYS_OSDLR_EL1 sys_reg(2, 0, 1, 3, 4)
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#define SYS_DBGPRCR_EL1 sys_reg(2, 0, 1, 4, 4)
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#define SYS_DBGCLAIMSET_EL1 sys_reg(2, 0, 7, 8, 6)
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#define SYS_DBGCLAIMCLR_EL1 sys_reg(2, 0, 7, 9, 6)
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#define SYS_DBGAUTHSTATUS_EL1 sys_reg(2, 0, 7, 14, 6)
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#define SYS_MDCCSR_EL0 sys_reg(2, 3, 0, 1, 0)
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#define SYS_DBGDTR_EL0 sys_reg(2, 3, 0, 4, 0)
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#define SYS_DBGDTRRX_EL0 sys_reg(2, 3, 0, 5, 0)
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#define SYS_DBGDTRTX_EL0 sys_reg(2, 3, 0, 5, 0)
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#define SYS_DBGVCR32_EL2 sys_reg(2, 4, 0, 7, 0)
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#define SYS_MIDR_EL1 sys_reg(3, 0, 0, 0, 0)
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#define SYS_MPIDR_EL1 sys_reg(3, 0, 0, 0, 5)
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#define SYS_REVIDR_EL1 sys_reg(3, 0, 0, 0, 6)
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#define SYS_ID_PFR0_EL1 sys_reg(3, 0, 0, 1, 0)
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#define SYS_ID_PFR1_EL1 sys_reg(3, 0, 0, 1, 1)
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#define SYS_ID_DFR0_EL1 sys_reg(3, 0, 0, 1, 2)
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#define SYS_ID_AFR0_EL1 sys_reg(3, 0, 0, 1, 3)
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#define SYS_ID_MMFR0_EL1 sys_reg(3, 0, 0, 1, 4)
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#define SYS_ID_MMFR1_EL1 sys_reg(3, 0, 0, 1, 5)
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#define SYS_ID_MMFR2_EL1 sys_reg(3, 0, 0, 1, 6)
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#define SYS_ID_MMFR3_EL1 sys_reg(3, 0, 0, 1, 7)
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#define SYS_ID_ISAR0_EL1 sys_reg(3, 0, 0, 2, 0)
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#define SYS_ID_ISAR1_EL1 sys_reg(3, 0, 0, 2, 1)
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#define SYS_ID_ISAR2_EL1 sys_reg(3, 0, 0, 2, 2)
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#define SYS_ID_ISAR3_EL1 sys_reg(3, 0, 0, 2, 3)
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#define SYS_ID_ISAR4_EL1 sys_reg(3, 0, 0, 2, 4)
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#define SYS_ID_ISAR5_EL1 sys_reg(3, 0, 0, 2, 5)
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#define SYS_ID_MMFR4_EL1 sys_reg(3, 0, 0, 2, 6)
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#define SYS_MVFR0_EL1 sys_reg(3, 0, 0, 3, 0)
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#define SYS_MVFR1_EL1 sys_reg(3, 0, 0, 3, 1)
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#define SYS_MVFR2_EL1 sys_reg(3, 0, 0, 3, 2)
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#define SYS_ID_AA64PFR0_EL1 sys_reg(3, 0, 0, 4, 0)
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#define SYS_ID_AA64PFR1_EL1 sys_reg(3, 0, 0, 4, 1)
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#define SYS_ID_AA64ZFR0_EL1 sys_reg(3, 0, 0, 4, 4)
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#define SYS_ID_AA64DFR0_EL1 sys_reg(3, 0, 0, 5, 0)
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#define SYS_ID_AA64DFR1_EL1 sys_reg(3, 0, 0, 5, 1)
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#define SYS_ID_AA64AFR0_EL1 sys_reg(3, 0, 0, 5, 4)
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#define SYS_ID_AA64AFR1_EL1 sys_reg(3, 0, 0, 5, 5)
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#define SYS_ID_AA64ISAR0_EL1 sys_reg(3, 0, 0, 6, 0)
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#define SYS_ID_AA64ISAR1_EL1 sys_reg(3, 0, 0, 6, 1)
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#define SYS_ID_AA64MMFR0_EL1 sys_reg(3, 0, 0, 7, 0)
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#define SYS_ID_AA64MMFR1_EL1 sys_reg(3, 0, 0, 7, 1)
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#define SYS_ID_AA64MMFR2_EL1 sys_reg(3, 0, 0, 7, 2)
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#define SYS_SCTLR_EL1 sys_reg(3, 0, 1, 0, 0)
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#define SYS_ACTLR_EL1 sys_reg(3, 0, 1, 0, 1)
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#define SYS_CPACR_EL1 sys_reg(3, 0, 1, 0, 2)
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#define SYS_ZCR_EL1 sys_reg(3, 0, 1, 2, 0)
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#define SYS_TTBR0_EL1 sys_reg(3, 0, 2, 0, 0)
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#define SYS_TTBR1_EL1 sys_reg(3, 0, 2, 0, 1)
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#define SYS_TCR_EL1 sys_reg(3, 0, 2, 0, 2)
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#define SYS_APIAKEYLO_EL1 sys_reg(3, 0, 2, 1, 0)
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#define SYS_APIAKEYHI_EL1 sys_reg(3, 0, 2, 1, 1)
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#define SYS_APIBKEYLO_EL1 sys_reg(3, 0, 2, 1, 2)
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#define SYS_APIBKEYHI_EL1 sys_reg(3, 0, 2, 1, 3)
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#define SYS_APDAKEYLO_EL1 sys_reg(3, 0, 2, 2, 0)
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#define SYS_APDAKEYHI_EL1 sys_reg(3, 0, 2, 2, 1)
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#define SYS_APDBKEYLO_EL1 sys_reg(3, 0, 2, 2, 2)
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#define SYS_APDBKEYHI_EL1 sys_reg(3, 0, 2, 2, 3)
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#define SYS_APGAKEYLO_EL1 sys_reg(3, 0, 2, 3, 0)
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#define SYS_APGAKEYHI_EL1 sys_reg(3, 0, 2, 3, 1)
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#define SYS_SPSR_EL1 sys_reg(3, 0, 4, 0, 0)
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#define SYS_ELR_EL1 sys_reg(3, 0, 4, 0, 1)
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#define SYS_ICC_PMR_EL1 sys_reg(3, 0, 4, 6, 0)
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#define SYS_AFSR0_EL1 sys_reg(3, 0, 5, 1, 0)
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#define SYS_AFSR1_EL1 sys_reg(3, 0, 5, 1, 1)
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#define SYS_ESR_EL1 sys_reg(3, 0, 5, 2, 0)
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#define SYS_ERRIDR_EL1 sys_reg(3, 0, 5, 3, 0)
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#define SYS_ERRSELR_EL1 sys_reg(3, 0, 5, 3, 1)
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#define SYS_ERXFR_EL1 sys_reg(3, 0, 5, 4, 0)
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#define SYS_ERXCTLR_EL1 sys_reg(3, 0, 5, 4, 1)
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#define SYS_ERXSTATUS_EL1 sys_reg(3, 0, 5, 4, 2)
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#define SYS_ERXADDR_EL1 sys_reg(3, 0, 5, 4, 3)
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#define SYS_ERXMISC0_EL1 sys_reg(3, 0, 5, 5, 0)
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#define SYS_ERXMISC1_EL1 sys_reg(3, 0, 5, 5, 1)
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#define SYS_FAR_EL1 sys_reg(3, 0, 6, 0, 0)
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#define SYS_PAR_EL1 sys_reg(3, 0, 7, 4, 0)
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#define SYS_PAR_EL1_F BIT(0)
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#define SYS_PAR_EL1_FST GENMASK(6, 1)
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/*** Statistical Profiling Extension ***/
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/* ID registers */
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#define SYS_PMSIDR_EL1 sys_reg(3, 0, 9, 9, 7)
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#define SYS_PMSIDR_EL1_FE_SHIFT 0
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#define SYS_PMSIDR_EL1_FT_SHIFT 1
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#define SYS_PMSIDR_EL1_FL_SHIFT 2
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#define SYS_PMSIDR_EL1_ARCHINST_SHIFT 3
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#define SYS_PMSIDR_EL1_LDS_SHIFT 4
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#define SYS_PMSIDR_EL1_ERND_SHIFT 5
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#define SYS_PMSIDR_EL1_INTERVAL_SHIFT 8
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#define SYS_PMSIDR_EL1_INTERVAL_MASK 0xfUL
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#define SYS_PMSIDR_EL1_MAXSIZE_SHIFT 12
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#define SYS_PMSIDR_EL1_MAXSIZE_MASK 0xfUL
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#define SYS_PMSIDR_EL1_COUNTSIZE_SHIFT 16
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#define SYS_PMSIDR_EL1_COUNTSIZE_MASK 0xfUL
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#define SYS_PMBIDR_EL1 sys_reg(3, 0, 9, 10, 7)
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#define SYS_PMBIDR_EL1_ALIGN_SHIFT 0
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#define SYS_PMBIDR_EL1_ALIGN_MASK 0xfU
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#define SYS_PMBIDR_EL1_P_SHIFT 4
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#define SYS_PMBIDR_EL1_F_SHIFT 5
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/* Sampling controls */
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#define SYS_PMSCR_EL1 sys_reg(3, 0, 9, 9, 0)
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#define SYS_PMSCR_EL1_E0SPE_SHIFT 0
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#define SYS_PMSCR_EL1_E1SPE_SHIFT 1
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#define SYS_PMSCR_EL1_CX_SHIFT 3
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#define SYS_PMSCR_EL1_PA_SHIFT 4
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#define SYS_PMSCR_EL1_TS_SHIFT 5
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#define SYS_PMSCR_EL1_PCT_SHIFT 6
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#define SYS_PMSCR_EL2 sys_reg(3, 4, 9, 9, 0)
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#define SYS_PMSCR_EL2_E0HSPE_SHIFT 0
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#define SYS_PMSCR_EL2_E2SPE_SHIFT 1
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#define SYS_PMSCR_EL2_CX_SHIFT 3
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#define SYS_PMSCR_EL2_PA_SHIFT 4
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#define SYS_PMSCR_EL2_TS_SHIFT 5
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#define SYS_PMSCR_EL2_PCT_SHIFT 6
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#define SYS_PMSICR_EL1 sys_reg(3, 0, 9, 9, 2)
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#define SYS_PMSIRR_EL1 sys_reg(3, 0, 9, 9, 3)
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#define SYS_PMSIRR_EL1_RND_SHIFT 0
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#define SYS_PMSIRR_EL1_INTERVAL_SHIFT 8
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#define SYS_PMSIRR_EL1_INTERVAL_MASK 0xffffffUL
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/* Filtering controls */
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#define SYS_PMSFCR_EL1 sys_reg(3, 0, 9, 9, 4)
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#define SYS_PMSFCR_EL1_FE_SHIFT 0
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#define SYS_PMSFCR_EL1_FT_SHIFT 1
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#define SYS_PMSFCR_EL1_FL_SHIFT 2
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#define SYS_PMSFCR_EL1_B_SHIFT 16
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#define SYS_PMSFCR_EL1_LD_SHIFT 17
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#define SYS_PMSFCR_EL1_ST_SHIFT 18
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#define SYS_PMSEVFR_EL1 sys_reg(3, 0, 9, 9, 5)
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#define SYS_PMSEVFR_EL1_RES0 0x0000ffff00ff0f55UL
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#define SYS_PMSLATFR_EL1 sys_reg(3, 0, 9, 9, 6)
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#define SYS_PMSLATFR_EL1_MINLAT_SHIFT 0
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/* Buffer controls */
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#define SYS_PMBLIMITR_EL1 sys_reg(3, 0, 9, 10, 0)
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#define SYS_PMBLIMITR_EL1_E_SHIFT 0
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#define SYS_PMBLIMITR_EL1_FM_SHIFT 1
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#define SYS_PMBLIMITR_EL1_FM_MASK 0x3UL
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#define SYS_PMBLIMITR_EL1_FM_STOP_IRQ (0 << SYS_PMBLIMITR_EL1_FM_SHIFT)
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#define SYS_PMBPTR_EL1 sys_reg(3, 0, 9, 10, 1)
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/* Buffer error reporting */
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#define SYS_PMBSR_EL1 sys_reg(3, 0, 9, 10, 3)
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#define SYS_PMBSR_EL1_COLL_SHIFT 16
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#define SYS_PMBSR_EL1_S_SHIFT 17
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#define SYS_PMBSR_EL1_EA_SHIFT 18
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#define SYS_PMBSR_EL1_DL_SHIFT 19
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#define SYS_PMBSR_EL1_EC_SHIFT 26
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#define SYS_PMBSR_EL1_EC_MASK 0x3fUL
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#define SYS_PMBSR_EL1_EC_BUF (0x0UL << SYS_PMBSR_EL1_EC_SHIFT)
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#define SYS_PMBSR_EL1_EC_FAULT_S1 (0x24UL << SYS_PMBSR_EL1_EC_SHIFT)
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#define SYS_PMBSR_EL1_EC_FAULT_S2 (0x25UL << SYS_PMBSR_EL1_EC_SHIFT)
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#define SYS_PMBSR_EL1_FAULT_FSC_SHIFT 0
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#define SYS_PMBSR_EL1_FAULT_FSC_MASK 0x3fUL
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#define SYS_PMBSR_EL1_BUF_BSC_SHIFT 0
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#define SYS_PMBSR_EL1_BUF_BSC_MASK 0x3fUL
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#define SYS_PMBSR_EL1_BUF_BSC_FULL (0x1UL << SYS_PMBSR_EL1_BUF_BSC_SHIFT)
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/*** End of Statistical Profiling Extension ***/
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#define SYS_PMINTENSET_EL1 sys_reg(3, 0, 9, 14, 1)
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#define SYS_PMINTENCLR_EL1 sys_reg(3, 0, 9, 14, 2)
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#define SYS_MAIR_EL1 sys_reg(3, 0, 10, 2, 0)
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#define SYS_AMAIR_EL1 sys_reg(3, 0, 10, 3, 0)
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#define SYS_LORSA_EL1 sys_reg(3, 0, 10, 4, 0)
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#define SYS_LOREA_EL1 sys_reg(3, 0, 10, 4, 1)
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#define SYS_LORN_EL1 sys_reg(3, 0, 10, 4, 2)
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#define SYS_LORC_EL1 sys_reg(3, 0, 10, 4, 3)
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#define SYS_LORID_EL1 sys_reg(3, 0, 10, 4, 7)
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#define SYS_VBAR_EL1 sys_reg(3, 0, 12, 0, 0)
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#define SYS_DISR_EL1 sys_reg(3, 0, 12, 1, 1)
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#define SYS_ICC_IAR0_EL1 sys_reg(3, 0, 12, 8, 0)
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#define SYS_ICC_EOIR0_EL1 sys_reg(3, 0, 12, 8, 1)
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#define SYS_ICC_HPPIR0_EL1 sys_reg(3, 0, 12, 8, 2)
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#define SYS_ICC_BPR0_EL1 sys_reg(3, 0, 12, 8, 3)
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#define SYS_ICC_AP0Rn_EL1(n) sys_reg(3, 0, 12, 8, 4 | n)
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#define SYS_ICC_AP0R0_EL1 SYS_ICC_AP0Rn_EL1(0)
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#define SYS_ICC_AP0R1_EL1 SYS_ICC_AP0Rn_EL1(1)
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#define SYS_ICC_AP0R2_EL1 SYS_ICC_AP0Rn_EL1(2)
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#define SYS_ICC_AP0R3_EL1 SYS_ICC_AP0Rn_EL1(3)
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#define SYS_ICC_AP1Rn_EL1(n) sys_reg(3, 0, 12, 9, n)
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#define SYS_ICC_AP1R0_EL1 SYS_ICC_AP1Rn_EL1(0)
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#define SYS_ICC_AP1R1_EL1 SYS_ICC_AP1Rn_EL1(1)
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#define SYS_ICC_AP1R2_EL1 SYS_ICC_AP1Rn_EL1(2)
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#define SYS_ICC_AP1R3_EL1 SYS_ICC_AP1Rn_EL1(3)
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#define SYS_ICC_DIR_EL1 sys_reg(3, 0, 12, 11, 1)
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#define SYS_ICC_RPR_EL1 sys_reg(3, 0, 12, 11, 3)
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#define SYS_ICC_SGI1R_EL1 sys_reg(3, 0, 12, 11, 5)
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#define SYS_ICC_ASGI1R_EL1 sys_reg(3, 0, 12, 11, 6)
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#define SYS_ICC_SGI0R_EL1 sys_reg(3, 0, 12, 11, 7)
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#define SYS_ICC_IAR1_EL1 sys_reg(3, 0, 12, 12, 0)
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#define SYS_ICC_EOIR1_EL1 sys_reg(3, 0, 12, 12, 1)
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#define SYS_ICC_HPPIR1_EL1 sys_reg(3, 0, 12, 12, 2)
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#define SYS_ICC_BPR1_EL1 sys_reg(3, 0, 12, 12, 3)
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#define SYS_ICC_CTLR_EL1 sys_reg(3, 0, 12, 12, 4)
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#define SYS_ICC_SRE_EL1 sys_reg(3, 0, 12, 12, 5)
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#define SYS_ICC_IGRPEN0_EL1 sys_reg(3, 0, 12, 12, 6)
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#define SYS_ICC_IGRPEN1_EL1 sys_reg(3, 0, 12, 12, 7)
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#define SYS_CONTEXTIDR_EL1 sys_reg(3, 0, 13, 0, 1)
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#define SYS_TPIDR_EL1 sys_reg(3, 0, 13, 0, 4)
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#define SYS_CNTKCTL_EL1 sys_reg(3, 0, 14, 1, 0)
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#define SYS_CCSIDR_EL1 sys_reg(3, 1, 0, 0, 0)
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#define SYS_CLIDR_EL1 sys_reg(3, 1, 0, 0, 1)
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#define SYS_AIDR_EL1 sys_reg(3, 1, 0, 0, 7)
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#define SYS_CSSELR_EL1 sys_reg(3, 2, 0, 0, 0)
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#define SYS_CTR_EL0 sys_reg(3, 3, 0, 0, 1)
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#define SYS_DCZID_EL0 sys_reg(3, 3, 0, 0, 7)
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#define SYS_PMCR_EL0 sys_reg(3, 3, 9, 12, 0)
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#define SYS_PMCNTENSET_EL0 sys_reg(3, 3, 9, 12, 1)
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#define SYS_PMCNTENCLR_EL0 sys_reg(3, 3, 9, 12, 2)
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#define SYS_PMOVSCLR_EL0 sys_reg(3, 3, 9, 12, 3)
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#define SYS_PMSWINC_EL0 sys_reg(3, 3, 9, 12, 4)
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#define SYS_PMSELR_EL0 sys_reg(3, 3, 9, 12, 5)
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#define SYS_PMCEID0_EL0 sys_reg(3, 3, 9, 12, 6)
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#define SYS_PMCEID1_EL0 sys_reg(3, 3, 9, 12, 7)
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#define SYS_PMCCNTR_EL0 sys_reg(3, 3, 9, 13, 0)
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#define SYS_PMXEVTYPER_EL0 sys_reg(3, 3, 9, 13, 1)
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#define SYS_PMXEVCNTR_EL0 sys_reg(3, 3, 9, 13, 2)
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#define SYS_PMUSERENR_EL0 sys_reg(3, 3, 9, 14, 0)
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#define SYS_PMOVSSET_EL0 sys_reg(3, 3, 9, 14, 3)
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#define SYS_TPIDR_EL0 sys_reg(3, 3, 13, 0, 2)
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#define SYS_TPIDRRO_EL0 sys_reg(3, 3, 13, 0, 3)
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#define SYS_CNTFRQ_EL0 sys_reg(3, 3, 14, 0, 0)
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#define SYS_CNTP_TVAL_EL0 sys_reg(3, 3, 14, 2, 0)
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#define SYS_CNTP_CTL_EL0 sys_reg(3, 3, 14, 2, 1)
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#define SYS_CNTP_CVAL_EL0 sys_reg(3, 3, 14, 2, 2)
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#define SYS_CNTV_CTL_EL0 sys_reg(3, 3, 14, 3, 1)
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#define SYS_CNTV_CVAL_EL0 sys_reg(3, 3, 14, 3, 2)
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#define SYS_AARCH32_CNTP_TVAL sys_reg(0, 0, 14, 2, 0)
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#define SYS_AARCH32_CNTP_CTL sys_reg(0, 0, 14, 2, 1)
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#define SYS_AARCH32_CNTP_CVAL sys_reg(0, 2, 0, 14, 0)
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#define __PMEV_op2(n) ((n) & 0x7)
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#define __CNTR_CRm(n) (0x8 | (((n) >> 3) & 0x3))
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#define SYS_PMEVCNTRn_EL0(n) sys_reg(3, 3, 14, __CNTR_CRm(n), __PMEV_op2(n))
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#define __TYPER_CRm(n) (0xc | (((n) >> 3) & 0x3))
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#define SYS_PMEVTYPERn_EL0(n) sys_reg(3, 3, 14, __TYPER_CRm(n), __PMEV_op2(n))
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#define SYS_PMCCFILTR_EL0 sys_reg(3, 3, 14, 15, 7)
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#define SYS_ZCR_EL2 sys_reg(3, 4, 1, 2, 0)
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#define SYS_DACR32_EL2 sys_reg(3, 4, 3, 0, 0)
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#define SYS_SPSR_EL2 sys_reg(3, 4, 4, 0, 0)
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#define SYS_ELR_EL2 sys_reg(3, 4, 4, 0, 1)
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#define SYS_IFSR32_EL2 sys_reg(3, 4, 5, 0, 1)
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#define SYS_ESR_EL2 sys_reg(3, 4, 5, 2, 0)
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#define SYS_VSESR_EL2 sys_reg(3, 4, 5, 2, 3)
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#define SYS_FPEXC32_EL2 sys_reg(3, 4, 5, 3, 0)
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#define SYS_FAR_EL2 sys_reg(3, 4, 6, 0, 0)
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#define SYS_VDISR_EL2 sys_reg(3, 4, 12, 1, 1)
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#define __SYS__AP0Rx_EL2(x) sys_reg(3, 4, 12, 8, x)
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#define SYS_ICH_AP0R0_EL2 __SYS__AP0Rx_EL2(0)
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#define SYS_ICH_AP0R1_EL2 __SYS__AP0Rx_EL2(1)
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#define SYS_ICH_AP0R2_EL2 __SYS__AP0Rx_EL2(2)
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#define SYS_ICH_AP0R3_EL2 __SYS__AP0Rx_EL2(3)
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#define __SYS__AP1Rx_EL2(x) sys_reg(3, 4, 12, 9, x)
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#define SYS_ICH_AP1R0_EL2 __SYS__AP1Rx_EL2(0)
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#define SYS_ICH_AP1R1_EL2 __SYS__AP1Rx_EL2(1)
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#define SYS_ICH_AP1R2_EL2 __SYS__AP1Rx_EL2(2)
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#define SYS_ICH_AP1R3_EL2 __SYS__AP1Rx_EL2(3)
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#define SYS_ICH_VSEIR_EL2 sys_reg(3, 4, 12, 9, 4)
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#define SYS_ICC_SRE_EL2 sys_reg(3, 4, 12, 9, 5)
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#define SYS_ICH_HCR_EL2 sys_reg(3, 4, 12, 11, 0)
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#define SYS_ICH_VTR_EL2 sys_reg(3, 4, 12, 11, 1)
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#define SYS_ICH_MISR_EL2 sys_reg(3, 4, 12, 11, 2)
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#define SYS_ICH_EISR_EL2 sys_reg(3, 4, 12, 11, 3)
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#define SYS_ICH_ELRSR_EL2 sys_reg(3, 4, 12, 11, 5)
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#define SYS_ICH_VMCR_EL2 sys_reg(3, 4, 12, 11, 7)
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#define __SYS__LR0_EL2(x) sys_reg(3, 4, 12, 12, x)
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#define SYS_ICH_LR0_EL2 __SYS__LR0_EL2(0)
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#define SYS_ICH_LR1_EL2 __SYS__LR0_EL2(1)
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#define SYS_ICH_LR2_EL2 __SYS__LR0_EL2(2)
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#define SYS_ICH_LR3_EL2 __SYS__LR0_EL2(3)
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#define SYS_ICH_LR4_EL2 __SYS__LR0_EL2(4)
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#define SYS_ICH_LR5_EL2 __SYS__LR0_EL2(5)
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#define SYS_ICH_LR6_EL2 __SYS__LR0_EL2(6)
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#define SYS_ICH_LR7_EL2 __SYS__LR0_EL2(7)
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#define __SYS__LR8_EL2(x) sys_reg(3, 4, 12, 13, x)
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#define SYS_ICH_LR8_EL2 __SYS__LR8_EL2(0)
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#define SYS_ICH_LR9_EL2 __SYS__LR8_EL2(1)
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#define SYS_ICH_LR10_EL2 __SYS__LR8_EL2(2)
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#define SYS_ICH_LR11_EL2 __SYS__LR8_EL2(3)
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#define SYS_ICH_LR12_EL2 __SYS__LR8_EL2(4)
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#define SYS_ICH_LR13_EL2 __SYS__LR8_EL2(5)
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#define SYS_ICH_LR14_EL2 __SYS__LR8_EL2(6)
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#define SYS_ICH_LR15_EL2 __SYS__LR8_EL2(7)
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/* VHE encodings for architectural EL0/1 system registers */
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#define SYS_SCTLR_EL12 sys_reg(3, 5, 1, 0, 0)
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#define SYS_CPACR_EL12 sys_reg(3, 5, 1, 0, 2)
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#define SYS_ZCR_EL12 sys_reg(3, 5, 1, 2, 0)
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#define SYS_TTBR0_EL12 sys_reg(3, 5, 2, 0, 0)
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#define SYS_TTBR1_EL12 sys_reg(3, 5, 2, 0, 1)
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#define SYS_TCR_EL12 sys_reg(3, 5, 2, 0, 2)
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#define SYS_SPSR_EL12 sys_reg(3, 5, 4, 0, 0)
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#define SYS_ELR_EL12 sys_reg(3, 5, 4, 0, 1)
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#define SYS_AFSR0_EL12 sys_reg(3, 5, 5, 1, 0)
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#define SYS_AFSR1_EL12 sys_reg(3, 5, 5, 1, 1)
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#define SYS_ESR_EL12 sys_reg(3, 5, 5, 2, 0)
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#define SYS_FAR_EL12 sys_reg(3, 5, 6, 0, 0)
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#define SYS_MAIR_EL12 sys_reg(3, 5, 10, 2, 0)
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#define SYS_AMAIR_EL12 sys_reg(3, 5, 10, 3, 0)
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#define SYS_VBAR_EL12 sys_reg(3, 5, 12, 0, 0)
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#define SYS_CONTEXTIDR_EL12 sys_reg(3, 5, 13, 0, 1)
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#define SYS_CNTKCTL_EL12 sys_reg(3, 5, 14, 1, 0)
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#define SYS_CNTP_TVAL_EL02 sys_reg(3, 5, 14, 2, 0)
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#define SYS_CNTP_CTL_EL02 sys_reg(3, 5, 14, 2, 1)
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#define SYS_CNTP_CVAL_EL02 sys_reg(3, 5, 14, 2, 2)
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#define SYS_CNTV_TVAL_EL02 sys_reg(3, 5, 14, 3, 0)
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#define SYS_CNTV_CTL_EL02 sys_reg(3, 5, 14, 3, 1)
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#define SYS_CNTV_CVAL_EL02 sys_reg(3, 5, 14, 3, 2)
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/* Common SCTLR_ELx flags. */
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#define SCTLR_ELx_DSSBS (BIT(44))
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#define SCTLR_ELx_ENIA (BIT(31))
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#define SCTLR_ELx_ENIB (BIT(30))
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#define SCTLR_ELx_ENDA (BIT(27))
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#define SCTLR_ELx_EE (BIT(25))
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#define SCTLR_ELx_IESB (BIT(21))
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#define SCTLR_ELx_WXN (BIT(19))
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#define SCTLR_ELx_ENDB (BIT(13))
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#define SCTLR_ELx_I (BIT(12))
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#define SCTLR_ELx_SA (BIT(3))
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#define SCTLR_ELx_C (BIT(2))
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#define SCTLR_ELx_A (BIT(1))
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#define SCTLR_ELx_M (BIT(0))
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#define SCTLR_ELx_FLAGS (SCTLR_ELx_M | SCTLR_ELx_A | SCTLR_ELx_C | \
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SCTLR_ELx_SA | SCTLR_ELx_I | SCTLR_ELx_IESB)
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/* SCTLR_EL2 specific flags. */
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#define SCTLR_EL2_RES1 ((BIT(4)) | (BIT(5)) | (BIT(11)) | (BIT(16)) | \
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(BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \
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(BIT(29)))
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#ifdef CONFIG_CPU_BIG_ENDIAN
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#define ENDIAN_SET_EL2 SCTLR_ELx_EE
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#else
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#define ENDIAN_SET_EL2 0
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#endif
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/* SCTLR_EL1 specific flags. */
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#define SCTLR_EL1_UCI (BIT(26))
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#define SCTLR_EL1_E0E (BIT(24))
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#define SCTLR_EL1_SPAN (BIT(23))
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#define SCTLR_EL1_NTWE (BIT(18))
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#define SCTLR_EL1_NTWI (BIT(16))
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#define SCTLR_EL1_UCT (BIT(15))
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#define SCTLR_EL1_DZE (BIT(14))
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#define SCTLR_EL1_UMA (BIT(9))
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#define SCTLR_EL1_SED (BIT(8))
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#define SCTLR_EL1_ITD (BIT(7))
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#define SCTLR_EL1_CP15BEN (BIT(5))
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#define SCTLR_EL1_SA0 (BIT(4))
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#define SCTLR_EL1_RES1 ((BIT(11)) | (BIT(20)) | (BIT(22)) | (BIT(28)) | \
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(BIT(29)))
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#ifdef CONFIG_CPU_BIG_ENDIAN
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#define ENDIAN_SET_EL1 (SCTLR_EL1_E0E | SCTLR_ELx_EE)
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#else
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#define ENDIAN_SET_EL1 0
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#endif
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#define SCTLR_EL1_SET (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA |\
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SCTLR_EL1_SA0 | SCTLR_EL1_SED | SCTLR_ELx_I |\
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SCTLR_EL1_DZE | SCTLR_EL1_UCT |\
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SCTLR_EL1_NTWE | SCTLR_ELx_IESB | SCTLR_EL1_SPAN |\
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ENDIAN_SET_EL1 | SCTLR_EL1_UCI | SCTLR_EL1_RES1)
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/* id_aa64isar0 */
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#define ID_AA64ISAR0_TS_SHIFT 52
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#define ID_AA64ISAR0_FHM_SHIFT 48
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#define ID_AA64ISAR0_DP_SHIFT 44
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#define ID_AA64ISAR0_SM4_SHIFT 40
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#define ID_AA64ISAR0_SM3_SHIFT 36
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#define ID_AA64ISAR0_SHA3_SHIFT 32
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#define ID_AA64ISAR0_RDM_SHIFT 28
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#define ID_AA64ISAR0_ATOMICS_SHIFT 20
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#define ID_AA64ISAR0_CRC32_SHIFT 16
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#define ID_AA64ISAR0_SHA2_SHIFT 12
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#define ID_AA64ISAR0_SHA1_SHIFT 8
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#define ID_AA64ISAR0_AES_SHIFT 4
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/* id_aa64isar1 */
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#define ID_AA64ISAR1_SB_SHIFT 36
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#define ID_AA64ISAR1_FRINTTS_SHIFT 32
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#define ID_AA64ISAR1_GPI_SHIFT 28
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#define ID_AA64ISAR1_GPA_SHIFT 24
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#define ID_AA64ISAR1_LRCPC_SHIFT 20
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#define ID_AA64ISAR1_FCMA_SHIFT 16
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#define ID_AA64ISAR1_JSCVT_SHIFT 12
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#define ID_AA64ISAR1_API_SHIFT 8
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#define ID_AA64ISAR1_APA_SHIFT 4
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#define ID_AA64ISAR1_DPB_SHIFT 0
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#define ID_AA64ISAR1_APA_NI 0x0
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#define ID_AA64ISAR1_APA_ARCHITECTED 0x1
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#define ID_AA64ISAR1_API_NI 0x0
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#define ID_AA64ISAR1_API_IMP_DEF 0x1
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#define ID_AA64ISAR1_GPA_NI 0x0
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#define ID_AA64ISAR1_GPA_ARCHITECTED 0x1
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#define ID_AA64ISAR1_GPI_NI 0x0
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#define ID_AA64ISAR1_GPI_IMP_DEF 0x1
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/* id_aa64pfr0 */
|
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#define ID_AA64PFR0_CSV3_SHIFT 60
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#define ID_AA64PFR0_CSV2_SHIFT 56
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|
#define ID_AA64PFR0_DIT_SHIFT 48
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#define ID_AA64PFR0_SVE_SHIFT 32
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#define ID_AA64PFR0_RAS_SHIFT 28
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#define ID_AA64PFR0_GIC_SHIFT 24
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#define ID_AA64PFR0_ASIMD_SHIFT 20
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#define ID_AA64PFR0_FP_SHIFT 16
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#define ID_AA64PFR0_EL3_SHIFT 12
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#define ID_AA64PFR0_EL2_SHIFT 8
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#define ID_AA64PFR0_EL1_SHIFT 4
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#define ID_AA64PFR0_EL0_SHIFT 0
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#define ID_AA64PFR0_SVE 0x1
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#define ID_AA64PFR0_RAS_V1 0x1
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#define ID_AA64PFR0_FP_NI 0xf
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#define ID_AA64PFR0_FP_SUPPORTED 0x0
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#define ID_AA64PFR0_ASIMD_NI 0xf
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|
#define ID_AA64PFR0_ASIMD_SUPPORTED 0x0
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#define ID_AA64PFR0_EL1_64BIT_ONLY 0x1
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|
#define ID_AA64PFR0_EL0_64BIT_ONLY 0x1
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|
#define ID_AA64PFR0_EL0_32BIT_64BIT 0x2
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|
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/* id_aa64pfr1 */
|
|
#define ID_AA64PFR1_SSBS_SHIFT 4
|
|
|
|
#define ID_AA64PFR1_SSBS_PSTATE_NI 0
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#define ID_AA64PFR1_SSBS_PSTATE_ONLY 1
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#define ID_AA64PFR1_SSBS_PSTATE_INSNS 2
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|
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/* id_aa64zfr0 */
|
|
#define ID_AA64ZFR0_SM4_SHIFT 40
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|
#define ID_AA64ZFR0_SHA3_SHIFT 32
|
|
#define ID_AA64ZFR0_BITPERM_SHIFT 16
|
|
#define ID_AA64ZFR0_AES_SHIFT 4
|
|
#define ID_AA64ZFR0_SVEVER_SHIFT 0
|
|
|
|
#define ID_AA64ZFR0_SM4 0x1
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|
#define ID_AA64ZFR0_SHA3 0x1
|
|
#define ID_AA64ZFR0_BITPERM 0x1
|
|
#define ID_AA64ZFR0_AES 0x1
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#define ID_AA64ZFR0_AES_PMULL 0x2
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#define ID_AA64ZFR0_SVEVER_SVE2 0x1
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|
|
/* id_aa64mmfr0 */
|
|
#define ID_AA64MMFR0_TGRAN4_SHIFT 28
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|
#define ID_AA64MMFR0_TGRAN64_SHIFT 24
|
|
#define ID_AA64MMFR0_TGRAN16_SHIFT 20
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|
#define ID_AA64MMFR0_BIGENDEL0_SHIFT 16
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|
#define ID_AA64MMFR0_SNSMEM_SHIFT 12
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|
#define ID_AA64MMFR0_BIGENDEL_SHIFT 8
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|
#define ID_AA64MMFR0_ASID_SHIFT 4
|
|
#define ID_AA64MMFR0_PARANGE_SHIFT 0
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|
|
|
#define ID_AA64MMFR0_TGRAN4_NI 0xf
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|
#define ID_AA64MMFR0_TGRAN4_SUPPORTED 0x0
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|
#define ID_AA64MMFR0_TGRAN64_NI 0xf
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|
#define ID_AA64MMFR0_TGRAN64_SUPPORTED 0x0
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|
#define ID_AA64MMFR0_TGRAN16_NI 0x0
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|
#define ID_AA64MMFR0_TGRAN16_SUPPORTED 0x1
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|
#define ID_AA64MMFR0_PARANGE_48 0x5
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|
#define ID_AA64MMFR0_PARANGE_52 0x6
|
|
|
|
#ifdef CONFIG_ARM64_PA_BITS_52
|
|
#define ID_AA64MMFR0_PARANGE_MAX ID_AA64MMFR0_PARANGE_52
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|
#else
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#define ID_AA64MMFR0_PARANGE_MAX ID_AA64MMFR0_PARANGE_48
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#endif
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/* id_aa64mmfr1 */
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#define ID_AA64MMFR1_PAN_SHIFT 20
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#define ID_AA64MMFR1_LOR_SHIFT 16
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#define ID_AA64MMFR1_HPD_SHIFT 12
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#define ID_AA64MMFR1_VHE_SHIFT 8
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#define ID_AA64MMFR1_VMIDBITS_SHIFT 4
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#define ID_AA64MMFR1_HADBS_SHIFT 0
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#define ID_AA64MMFR1_VMIDBITS_8 0
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#define ID_AA64MMFR1_VMIDBITS_16 2
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|
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/* id_aa64mmfr2 */
|
|
#define ID_AA64MMFR2_FWB_SHIFT 40
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#define ID_AA64MMFR2_AT_SHIFT 32
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#define ID_AA64MMFR2_LVA_SHIFT 16
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|
#define ID_AA64MMFR2_IESB_SHIFT 12
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#define ID_AA64MMFR2_LSM_SHIFT 8
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#define ID_AA64MMFR2_UAO_SHIFT 4
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#define ID_AA64MMFR2_CNP_SHIFT 0
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|
|
|
/* id_aa64dfr0 */
|
|
#define ID_AA64DFR0_PMSVER_SHIFT 32
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|
#define ID_AA64DFR0_CTX_CMPS_SHIFT 28
|
|
#define ID_AA64DFR0_WRPS_SHIFT 20
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|
#define ID_AA64DFR0_BRPS_SHIFT 12
|
|
#define ID_AA64DFR0_PMUVER_SHIFT 8
|
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#define ID_AA64DFR0_TRACEVER_SHIFT 4
|
|
#define ID_AA64DFR0_DEBUGVER_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 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_AA64MMFR0_TGRAN4_SHIFT 28
|
|
#define ID_AA64MMFR0_TGRAN64_SHIFT 24
|
|
#define ID_AA64MMFR0_TGRAN16_SHIFT 20
|
|
|
|
#define ID_AA64MMFR0_TGRAN4_NI 0xf
|
|
#define ID_AA64MMFR0_TGRAN4_SUPPORTED 0x0
|
|
#define ID_AA64MMFR0_TGRAN64_NI 0xf
|
|
#define ID_AA64MMFR0_TGRAN64_SUPPORTED 0x0
|
|
#define ID_AA64MMFR0_TGRAN16_NI 0x0
|
|
#define ID_AA64MMFR0_TGRAN16_SUPPORTED 0x1
|
|
|
|
#if defined(CONFIG_ARM64_4K_PAGES)
|
|
#define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN4_SHIFT
|
|
#define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN4_SUPPORTED
|
|
#elif defined(CONFIG_ARM64_16K_PAGES)
|
|
#define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN16_SHIFT
|
|
#define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN16_SUPPORTED
|
|
#elif defined(CONFIG_ARM64_64K_PAGES)
|
|
#define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN64_SHIFT
|
|
#define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN64_SUPPORTED
|
|
#endif
|
|
|
|
|
|
/*
|
|
* The ZCR_ELx_LEN_* definitions intentionally include bits [8:4] which
|
|
* are reserved by the SVE architecture for future expansion of the LEN
|
|
* field, with compatible semantics.
|
|
*/
|
|
#define ZCR_ELx_LEN_SHIFT 0
|
|
#define ZCR_ELx_LEN_SIZE 9
|
|
#define ZCR_ELx_LEN_MASK 0x1ff
|
|
|
|
#define CPACR_EL1_ZEN_EL1EN (BIT(16)) /* enable EL1 access */
|
|
#define CPACR_EL1_ZEN_EL0EN (BIT(17)) /* enable EL0 access, if EL1EN set */
|
|
#define CPACR_EL1_ZEN (CPACR_EL1_ZEN_EL1EN | CPACR_EL1_ZEN_EL0EN)
|
|
|
|
|
|
/* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */
|
|
#define SYS_MPIDR_SAFE_VAL (BIT(31))
|
|
|
|
#ifdef __ASSEMBLY__
|
|
|
|
.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
|
|
.equ .L__reg_num_x\num, \num
|
|
.endr
|
|
.equ .L__reg_num_xzr, 31
|
|
|
|
.macro mrs_s, rt, sreg
|
|
__emit_inst(0xd5200000|(\sreg)|(.L__reg_num_\rt))
|
|
.endm
|
|
|
|
.macro msr_s, sreg, rt
|
|
__emit_inst(0xd5000000|(\sreg)|(.L__reg_num_\rt))
|
|
.endm
|
|
|
|
#else
|
|
|
|
#include <linux/build_bug.h>
|
|
#include <linux/types.h>
|
|
|
|
#define __DEFINE_MRS_MSR_S_REGNUM \
|
|
" .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" \
|
|
" .equ .L__reg_num_x\\num, \\num\n" \
|
|
" .endr\n" \
|
|
" .equ .L__reg_num_xzr, 31\n"
|
|
|
|
#define DEFINE_MRS_S \
|
|
__DEFINE_MRS_MSR_S_REGNUM \
|
|
" .macro mrs_s, rt, sreg\n" \
|
|
__emit_inst(0xd5200000|(\\sreg)|(.L__reg_num_\\rt)) \
|
|
" .endm\n"
|
|
|
|
#define DEFINE_MSR_S \
|
|
__DEFINE_MRS_MSR_S_REGNUM \
|
|
" .macro msr_s, sreg, rt\n" \
|
|
__emit_inst(0xd5000000|(\\sreg)|(.L__reg_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)
|
|
|
|
#endif
|
|
|
|
#endif /* __ASM_SYSREG_H */
|