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71 lines
1.4 KiB
71 lines
1.4 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (C) 2014 ARM Ltd. |
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*/ |
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#ifndef __ASM_CPU_H |
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#define __ASM_CPU_H |
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#include <linux/cpu.h> |
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#include <linux/init.h> |
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#include <linux/percpu.h> |
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/* |
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* Records attributes of an individual CPU. |
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*/ |
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struct cpuinfo_arm64 { |
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struct cpu cpu; |
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struct kobject kobj; |
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u32 reg_ctr; |
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u32 reg_cntfrq; |
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u32 reg_dczid; |
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u32 reg_midr; |
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u32 reg_revidr; |
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u64 reg_id_aa64dfr0; |
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u64 reg_id_aa64dfr1; |
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u64 reg_id_aa64isar0; |
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u64 reg_id_aa64isar1; |
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u64 reg_id_aa64mmfr0; |
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u64 reg_id_aa64mmfr1; |
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u64 reg_id_aa64mmfr2; |
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u64 reg_id_aa64pfr0; |
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u64 reg_id_aa64pfr1; |
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u64 reg_id_aa64zfr0; |
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u32 reg_id_dfr0; |
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u32 reg_id_dfr1; |
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u32 reg_id_isar0; |
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u32 reg_id_isar1; |
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u32 reg_id_isar2; |
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u32 reg_id_isar3; |
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u32 reg_id_isar4; |
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u32 reg_id_isar5; |
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u32 reg_id_isar6; |
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u32 reg_id_mmfr0; |
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u32 reg_id_mmfr1; |
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u32 reg_id_mmfr2; |
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u32 reg_id_mmfr3; |
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u32 reg_id_mmfr4; |
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u32 reg_id_mmfr5; |
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u32 reg_id_pfr0; |
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u32 reg_id_pfr1; |
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u32 reg_id_pfr2; |
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u32 reg_mvfr0; |
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u32 reg_mvfr1; |
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u32 reg_mvfr2; |
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/* pseudo-ZCR for recording maximum ZCR_EL1 LEN value: */ |
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u64 reg_zcr; |
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}; |
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DECLARE_PER_CPU(struct cpuinfo_arm64, cpu_data); |
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void cpuinfo_store_cpu(void); |
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void __init cpuinfo_store_boot_cpu(void); |
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void __init init_cpu_features(struct cpuinfo_arm64 *info); |
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void update_cpu_features(int cpu, struct cpuinfo_arm64 *info, |
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struct cpuinfo_arm64 *boot); |
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#endif /* __ASM_CPU_H */
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