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Linux/arch/powerpc/mm/mmu_decl.h

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Differences between /arch/powerpc/mm/mmu_decl.h (Version linux-4.17.19) and /arch/alpha/mm/mmu_decl.h (Version linux-4.7.10)


  1 /*                                                  1 
  2  * Declarations of procedures and variables sh    
  3  * in arch/ppc/mm/.                               
  4  *                                                
  5  *  Derived from arch/ppc/mm/init.c:              
  6  *    Copyright (C) 1995-1996 Gary Thomas (gdt    
  7  *                                                
  8  *  Modifications by Paul Mackerras (PowerMac)    
  9  *  and Cort Dougan (PReP) (cort@cs.nmt.edu)      
 10  *    Copyright (C) 1996 Paul Mackerras           
 11  *                                                
 12  *  Derived from "arch/i386/mm/init.c"            
 13  *    Copyright (C) 1991, 1992, 1993, 1994  Li    
 14  *                                                
 15  *  This program is free software; you can red    
 16  *  modify it under the terms of the GNU Gener    
 17  *  as published by the Free Software Foundati    
 18  *  2 of the License, or (at your option) any     
 19  *                                                
 20  */                                               
 21 #include <linux/mm.h>                             
 22 #include <asm/tlbflush.h>                         
 23 #include <asm/mmu.h>                              
 24                                                   
 25 #ifdef CONFIG_PPC_MMU_NOHASH                      
 26                                                   
 27 /*                                                
 28  * On 40x and 8xx, we directly inline tlbia an    
 29  */                                               
 30 #if defined(CONFIG_40x) || defined(CONFIG_PPC_    
 31 static inline void _tlbil_all(void)               
 32 {                                                 
 33         asm volatile ("sync; tlbia; isync" : :    
 34 }                                                 
 35 static inline void _tlbil_pid(unsigned int pid    
 36 {                                                 
 37         asm volatile ("sync; tlbia; isync" : :    
 38 }                                                 
 39 #define _tlbil_pid_noind(pid)   _tlbil_pid(pid    
 40                                                   
 41 #else /* CONFIG_40x || CONFIG_PPC_8xx */          
 42 extern void _tlbil_all(void);                     
 43 extern void _tlbil_pid(unsigned int pid);         
 44 #ifdef CONFIG_PPC_BOOK3E                          
 45 extern void _tlbil_pid_noind(unsigned int pid)    
 46 #else                                             
 47 #define _tlbil_pid_noind(pid)   _tlbil_pid(pid    
 48 #endif                                            
 49 #endif /* !(CONFIG_40x || CONFIG_PPC_8xx) */      
 50                                                   
 51 /*                                                
 52  * On 8xx, we directly inline tlbie, on others    
 53  */                                               
 54 #ifdef CONFIG_PPC_8xx                             
 55 static inline void _tlbil_va(unsigned long add    
 56                              unsigned int tsiz    
 57 {                                                 
 58         asm volatile ("tlbie %0; sync" : : "r"    
 59 }                                                 
 60 #elif defined(CONFIG_PPC_BOOK3E)                  
 61 extern void _tlbil_va(unsigned long address, u    
 62                       unsigned int tsize, unsi    
 63 #else                                             
 64 extern void __tlbil_va(unsigned long address,     
 65 static inline void _tlbil_va(unsigned long add    
 66                              unsigned int tsiz    
 67 {                                                 
 68         __tlbil_va(address, pid);                 
 69 }                                                 
 70 #endif /* CONFIG_PPC_8xx */                       
 71                                                   
 72 #if defined(CONFIG_PPC_BOOK3E) || defined(CONF    
 73 extern void _tlbivax_bcast(unsigned long addre    
 74                            unsigned int tsize,    
 75 #else                                             
 76 static inline void _tlbivax_bcast(unsigned lon    
 77                                    unsigned in    
 78 {                                                 
 79         BUG();                                    
 80 }                                                 
 81 #endif                                            
 82                                                   
 83 #else /* CONFIG_PPC_MMU_NOHASH */                 
 84                                                   
 85 extern void hash_preload(struct mm_struct *mm,    
 86                          unsigned long access,    
 87                                                   
 88                                                   
 89 extern void _tlbie(unsigned long address);        
 90 extern void _tlbia(void);                         
 91                                                   
 92 #endif /* CONFIG_PPC_MMU_NOHASH */                
 93                                                   
 94 #ifdef CONFIG_PPC32                               
 95                                                   
 96 extern void mapin_ram(void);                      
 97 extern void setbat(int index, unsigned long vi    
 98                    unsigned int size, pgprot_t    
 99                                                   
100 extern int __map_without_bats;                    
101 extern unsigned int rtas_data, rtas_size;         
102                                                   
103 struct hash_pte;                                  
104 extern struct hash_pte *Hash, *Hash_end;          
105 extern unsigned long Hash_size, Hash_mask;        
106                                                   
107 #endif /* CONFIG_PPC32 */                         
108                                                   
109 extern unsigned long ioremap_bot;                 
110 extern unsigned long __max_low_memory;            
111 extern phys_addr_t __initial_memory_limit_addr    
112 extern phys_addr_t total_memory;                  
113 extern phys_addr_t total_lowmem;                  
114 extern phys_addr_t memstart_addr;                 
115 extern phys_addr_t lowmem_end_addr;               
116                                                   
117 #ifdef CONFIG_WII                                 
118 extern unsigned long wii_hole_start;              
119 extern unsigned long wii_hole_size;               
120                                                   
121 extern unsigned long wii_mmu_mapin_mem2(unsign    
122 extern void wii_memory_fixups(void);              
123 #endif                                            
124                                                   
125 /* ...and now those things that may be slightl    
126  * architectures.  -- Dan                         
127  */                                               
128 #ifdef CONFIG_PPC32                               
129 extern void MMU_init_hw(void);                    
130 extern unsigned long mmu_mapin_ram(unsigned lo    
131 #endif                                            
132                                                   
133 #ifdef CONFIG_PPC_FSL_BOOK3E                      
134 extern unsigned long map_mem_in_cams(unsigned     
135                                      bool dryr    
136 extern unsigned long calc_cam_sz(unsigned long    
137                                  phys_addr_t p    
138 #ifdef CONFIG_PPC32                               
139 extern void adjust_total_lowmem(void);            
140 extern int switch_to_as1(void);                   
141 extern void restore_to_as0(int esel, int offse    
142 #endif                                            
143 extern void loadcam_entry(unsigned int index);    
144 extern void loadcam_multi(int first_idx, int n    
145                                                   
146 struct tlbcam {                                   
147         u32     MAS0;                             
148         u32     MAS1;                             
149         unsigned long   MAS2;                     
150         u32     MAS3;                             
151         u32     MAS7;                             
152 };                                                
153 #endif                                            
154                                                   
155 #if defined(CONFIG_6xx) || defined(CONFIG_FSL_    
156 /* 6xx have BATS */                               
157 /* FSL_BOOKE have TLBCAM */                       
158 /* 8xx have LTLB */                               
159 phys_addr_t v_block_mapped(unsigned long va);     
160 unsigned long p_block_mapped(phys_addr_t pa);     
161 #else                                             
162 static inline phys_addr_t v_block_mapped(unsig    
163 static inline unsigned long p_block_mapped(phy    
164 #endif                                            
165                                                   

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