root/arch/powerpc/kernel/setup.h

INCLUDED FROM

DEFINITIONS

1. setup_power_save
2. check_smt_enabled
3. setup_tlb_core_data
4. exc_lvl_early_init
5. emergency_stack_init
6. kvm_cma_reserve

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Prototypes for functions that are shared between setup_(32|64|common).c
   4  *
   5  * Copyright 2016 Michael Ellerman, IBM Corporation.
   6  */
   7 
   8 #ifndef __ARCH_POWERPC_KERNEL_SETUP_H
   9 #define __ARCH_POWERPC_KERNEL_SETUP_H
  10 
  11 #ifdef CONFIG_CC_IS_CLANG
  12 #define __nostackprotector
  13 #else
  14 #define __nostackprotector __attribute__((__optimize__("no-stack-protector")))
  15 #endif
  16 
  17 void initialize_cache_info(void);
  18 void irqstack_early_init(void);
  19 
  20 #ifdef CONFIG_PPC32
  21 void setup_power_save(void);
  22 #else
  23 static inline void setup_power_save(void) { };
  24 #endif
  25 
  26 #if defined(CONFIG_PPC64) && defined(CONFIG_SMP)
  27 void check_smt_enabled(void);
  28 #else
  29 static inline void check_smt_enabled(void) { };
  30 #endif
  31 
  32 #if defined(CONFIG_PPC_BOOK3E) && defined(CONFIG_SMP)
  33 void setup_tlb_core_data(void);
  34 #else
  35 static inline void setup_tlb_core_data(void) { };
  36 #endif
  37 
  38 #if defined(CONFIG_PPC_BOOK3E) || defined(CONFIG_BOOKE) || defined(CONFIG_40x)
  39 void exc_lvl_early_init(void);
  40 #else
  41 static inline void exc_lvl_early_init(void) { };
  42 #endif
  43 
  44 #ifdef CONFIG_PPC64
  45 void emergency_stack_init(void);
  46 #else
  47 static inline void emergency_stack_init(void) { };
  48 #endif
  49 
  50 #ifdef CONFIG_PPC64
  51 u64 ppc64_bolted_size(void);
  52 
  53 /* Default SPR values from firmware/kexec */
  54 extern unsigned long spr_default_dscr;
  55 #endif
  56 
  57 /*
  58  * Having this in kvm_ppc.h makes include dependencies too
  59  * tricky to solve for setup-common.c so have it here.
  60  */
  61 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
  62 void kvm_cma_reserve(void);
  63 #else
  64 static inline void kvm_cma_reserve(void) { };
  65 #endif
  66 
  67 #ifdef CONFIG_TAU
  68 u32 cpu_temp(unsigned long cpu);
  69 u32 cpu_temp_both(unsigned long cpu);
  70 u32 tau_interrupts(unsigned long cpu);
  71 #endif /* CONFIG_TAU */
  72 
  73 #endif /* __ARCH_POWERPC_KERNEL_SETUP_H */