mirror of https://gitee.com/openkylin/linux.git
68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Prototypes for functions that are shared between setup_(32|64|common).c
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*
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* Copyright 2016 Michael Ellerman, IBM Corporation.
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*/
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#ifndef __ARCH_POWERPC_KERNEL_SETUP_H
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#define __ARCH_POWERPC_KERNEL_SETUP_H
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void initialize_cache_info(void);
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void irqstack_early_init(void);
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#ifdef CONFIG_PPC32
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void setup_power_save(void);
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#else
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static inline void setup_power_save(void) { };
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#endif
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#if defined(CONFIG_PPC64) && defined(CONFIG_SMP)
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void check_smt_enabled(void);
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#else
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static inline void check_smt_enabled(void) { };
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#endif
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#if defined(CONFIG_PPC_BOOK3E) && defined(CONFIG_SMP)
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void setup_tlb_core_data(void);
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#else
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static inline void setup_tlb_core_data(void) { };
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#endif
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#if defined(CONFIG_PPC_BOOK3E) || defined(CONFIG_BOOKE) || defined(CONFIG_40x)
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void exc_lvl_early_init(void);
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#else
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static inline void exc_lvl_early_init(void) { };
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#endif
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#if defined(CONFIG_PPC64) || defined(CONFIG_VMAP_STACK)
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void emergency_stack_init(void);
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#else
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static inline void emergency_stack_init(void) { };
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#endif
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#ifdef CONFIG_PPC64
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u64 ppc64_bolted_size(void);
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/* Default SPR values from firmware/kexec */
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extern unsigned long spr_default_dscr;
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#endif
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/*
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* Having this in kvm_ppc.h makes include dependencies too
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* tricky to solve for setup-common.c so have it here.
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*/
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#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
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void kvm_cma_reserve(void);
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#else
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static inline void kvm_cma_reserve(void) { };
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#endif
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#ifdef CONFIG_TAU
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u32 cpu_temp(unsigned long cpu);
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u32 cpu_temp_both(unsigned long cpu);
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u32 tau_interrupts(unsigned long cpu);
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#endif /* CONFIG_TAU */
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#endif /* __ARCH_POWERPC_KERNEL_SETUP_H */
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